diff --git a/Changelog b/Changelog
index 187ae79..d31de07 100644
--- a/Changelog
+++ b/Changelog
@@ -29,6 +29,7 @@ version <next>:
 - limiter video filter
 - libvmaf video filter
 - Dolby E decoder and SMPTE 337M demuxer
+- V4L2 mem2mem HW accelerated codecs support
 
 version 3.3:
 - CrystalHD decoder moved to new decode API
@@ -65,7 +66,6 @@ version 3.3:
 - Intel QSV-accelerated VP8 video decoding
 - VAAPI-accelerated deinterlacing
 
-
 version 3.2:
 - libopenmpt demuxer
 - tee protocol
@@ -105,7 +105,6 @@ version 3.2:
 - Changed mapping of rtp MIME type G726 to codec g726le.
 - spec compliant VAAPI/DXVA2 VC-1 decoding of slices in frame-coded images
 
-
 version 3.1:
 - DXVA2-accelerated HEVC Main10 decoding
 - fieldhint filter
diff --git a/compat/v4l2/v4l2-common.h b/compat/v4l2/v4l2-common.h
new file mode 100644
index 0000000..5b3f685
--- /dev/null
+++ b/compat/v4l2/v4l2-common.h
@@ -0,0 +1,107 @@
+/*
+ * include/linux/v4l2-common.h
+ *
+ * Common V4L2 and V4L2 subdev definitions.
+ *
+ * Users are advised to #include this file either through videodev2.h
+ * (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
+ * to this file directly.
+ *
+ * Copyright (C) 2012 Nokia Corporation
+ * Contact: Sakari Ailus <sakari.ailus@iki.fi>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  Alternatively you can redistribute this file under the terms of the
+ *  BSD license as stated below:
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *  3. The names of its contributors may not be used to endorse or promote
+ *     products derived from this software without specific prior written
+ *     permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef __V4L2_COMMON__
+#define __V4L2_COMMON__
+
+#include <linux/types.h>
+
+/*
+ *
+ * Selection interface definitions
+ *
+ */
+
+/* Current cropping area */
+#define V4L2_SEL_TGT_CROP		0x0000
+/* Default cropping area */
+#define V4L2_SEL_TGT_CROP_DEFAULT	0x0001
+/* Cropping bounds */
+#define V4L2_SEL_TGT_CROP_BOUNDS	0x0002
+/* Native frame size */
+#define V4L2_SEL_TGT_NATIVE_SIZE	0x0003
+/* Current composing area */
+#define V4L2_SEL_TGT_COMPOSE		0x0100
+/* Default composing area */
+#define V4L2_SEL_TGT_COMPOSE_DEFAULT	0x0101
+/* Composing bounds */
+#define V4L2_SEL_TGT_COMPOSE_BOUNDS	0x0102
+/* Current composing area plus all padding pixels */
+#define V4L2_SEL_TGT_COMPOSE_PADDED	0x0103
+
+/* Backward compatibility target definitions --- to be removed. */
+#define V4L2_SEL_TGT_CROP_ACTIVE	V4L2_SEL_TGT_CROP
+#define V4L2_SEL_TGT_COMPOSE_ACTIVE	V4L2_SEL_TGT_COMPOSE
+#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL	V4L2_SEL_TGT_CROP
+#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
+#define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS	V4L2_SEL_TGT_CROP_BOUNDS
+#define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
+
+/* Selection flags */
+#define V4L2_SEL_FLAG_GE		(1 << 0)
+#define V4L2_SEL_FLAG_LE		(1 << 1)
+#define V4L2_SEL_FLAG_KEEP_CONFIG	(1 << 2)
+
+/* Backward compatibility flag definitions --- to be removed. */
+#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE	V4L2_SEL_FLAG_GE
+#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE	V4L2_SEL_FLAG_LE
+#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
+
+struct v4l2_edid {
+	__u32 pad;
+	__u32 start_block;
+	__u32 blocks;
+	__u32 reserved[5];
+	__u8  *edid;
+};
+
+#endif /* __V4L2_COMMON__ */
diff --git a/compat/v4l2/v4l2-controls.h b/compat/v4l2/v4l2-controls.h
new file mode 100644
index 0000000..31bfc68
--- /dev/null
+++ b/compat/v4l2/v4l2-controls.h
@@ -0,0 +1,987 @@
+/*
+ *  Video for Linux Two controls header file
+ *
+ *  Copyright (C) 1999-2012 the contributors
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  Alternatively you can redistribute this file under the terms of the
+ *  BSD license as stated below:
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *  3. The names of its contributors may not be used to endorse or promote
+ *     products derived from this software without specific prior written
+ *     permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The contents of this header was split off from videodev2.h. All control
+ *  definitions should be added to this header, which is included by
+ *  videodev2.h.
+ */
+
+#ifndef __LINUX_V4L2_CONTROLS_H
+#define __LINUX_V4L2_CONTROLS_H
+
+/* Control classes */
+#define V4L2_CTRL_CLASS_USER		0x00980000	/* Old-style 'user' controls */
+#define V4L2_CTRL_CLASS_MPEG		0x00990000	/* MPEG-compression controls */
+#define V4L2_CTRL_CLASS_CAMERA		0x009a0000	/* Camera class controls */
+#define V4L2_CTRL_CLASS_FM_TX		0x009b0000	/* FM Modulator controls */
+#define V4L2_CTRL_CLASS_FLASH		0x009c0000	/* Camera flash controls */
+#define V4L2_CTRL_CLASS_JPEG		0x009d0000	/* JPEG-compression controls */
+#define V4L2_CTRL_CLASS_IMAGE_SOURCE	0x009e0000	/* Image source controls */
+#define V4L2_CTRL_CLASS_IMAGE_PROC	0x009f0000	/* Image processing controls */
+#define V4L2_CTRL_CLASS_DV		0x00a00000	/* Digital Video controls */
+#define V4L2_CTRL_CLASS_FM_RX		0x00a10000	/* FM Receiver controls */
+#define V4L2_CTRL_CLASS_RF_TUNER	0x00a20000	/* RF tuner controls */
+#define V4L2_CTRL_CLASS_DETECT		0x00a30000	/* Detection controls */
+
+/* User-class control IDs */
+
+#define V4L2_CID_BASE			(V4L2_CTRL_CLASS_USER | 0x900)
+#define V4L2_CID_USER_BASE 		V4L2_CID_BASE
+#define V4L2_CID_USER_CLASS 		(V4L2_CTRL_CLASS_USER | 1)
+#define V4L2_CID_BRIGHTNESS		(V4L2_CID_BASE+0)
+#define V4L2_CID_CONTRAST		(V4L2_CID_BASE+1)
+#define V4L2_CID_SATURATION		(V4L2_CID_BASE+2)
+#define V4L2_CID_HUE			(V4L2_CID_BASE+3)
+#define V4L2_CID_AUDIO_VOLUME		(V4L2_CID_BASE+5)
+#define V4L2_CID_AUDIO_BALANCE		(V4L2_CID_BASE+6)
+#define V4L2_CID_AUDIO_BASS		(V4L2_CID_BASE+7)
+#define V4L2_CID_AUDIO_TREBLE		(V4L2_CID_BASE+8)
+#define V4L2_CID_AUDIO_MUTE		(V4L2_CID_BASE+9)
+#define V4L2_CID_AUDIO_LOUDNESS		(V4L2_CID_BASE+10)
+#define V4L2_CID_BLACK_LEVEL		(V4L2_CID_BASE+11) /* Deprecated */
+#define V4L2_CID_AUTO_WHITE_BALANCE	(V4L2_CID_BASE+12)
+#define V4L2_CID_DO_WHITE_BALANCE	(V4L2_CID_BASE+13)
+#define V4L2_CID_RED_BALANCE		(V4L2_CID_BASE+14)
+#define V4L2_CID_BLUE_BALANCE		(V4L2_CID_BASE+15)
+#define V4L2_CID_GAMMA			(V4L2_CID_BASE+16)
+#define V4L2_CID_WHITENESS		(V4L2_CID_GAMMA) /* Deprecated */
+#define V4L2_CID_EXPOSURE		(V4L2_CID_BASE+17)
+#define V4L2_CID_AUTOGAIN		(V4L2_CID_BASE+18)
+#define V4L2_CID_GAIN			(V4L2_CID_BASE+19)
+#define V4L2_CID_HFLIP			(V4L2_CID_BASE+20)
+#define V4L2_CID_VFLIP			(V4L2_CID_BASE+21)
+
+#define V4L2_CID_POWER_LINE_FREQUENCY	(V4L2_CID_BASE+24)
+enum v4l2_power_line_frequency {
+	V4L2_CID_POWER_LINE_FREQUENCY_DISABLED	= 0,
+	V4L2_CID_POWER_LINE_FREQUENCY_50HZ	= 1,
+	V4L2_CID_POWER_LINE_FREQUENCY_60HZ	= 2,
+	V4L2_CID_POWER_LINE_FREQUENCY_AUTO	= 3,
+};
+#define V4L2_CID_HUE_AUTO			(V4L2_CID_BASE+25)
+#define V4L2_CID_WHITE_BALANCE_TEMPERATURE	(V4L2_CID_BASE+26)
+#define V4L2_CID_SHARPNESS			(V4L2_CID_BASE+27)
+#define V4L2_CID_BACKLIGHT_COMPENSATION 	(V4L2_CID_BASE+28)
+#define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
+#define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
+#define V4L2_CID_COLORFX			(V4L2_CID_BASE+31)
+enum v4l2_colorfx {
+	V4L2_COLORFX_NONE			= 0,
+	V4L2_COLORFX_BW				= 1,
+	V4L2_COLORFX_SEPIA			= 2,
+	V4L2_COLORFX_NEGATIVE			= 3,
+	V4L2_COLORFX_EMBOSS			= 4,
+	V4L2_COLORFX_SKETCH			= 5,
+	V4L2_COLORFX_SKY_BLUE			= 6,
+	V4L2_COLORFX_GRASS_GREEN		= 7,
+	V4L2_COLORFX_SKIN_WHITEN		= 8,
+	V4L2_COLORFX_VIVID			= 9,
+	V4L2_COLORFX_AQUA			= 10,
+	V4L2_COLORFX_ART_FREEZE			= 11,
+	V4L2_COLORFX_SILHOUETTE			= 12,
+	V4L2_COLORFX_SOLARIZATION		= 13,
+	V4L2_COLORFX_ANTIQUE			= 14,
+	V4L2_COLORFX_SET_CBCR			= 15,
+};
+#define V4L2_CID_AUTOBRIGHTNESS			(V4L2_CID_BASE+32)
+#define V4L2_CID_BAND_STOP_FILTER		(V4L2_CID_BASE+33)
+
+#define V4L2_CID_ROTATE				(V4L2_CID_BASE+34)
+#define V4L2_CID_BG_COLOR			(V4L2_CID_BASE+35)
+
+#define V4L2_CID_CHROMA_GAIN                    (V4L2_CID_BASE+36)
+
+#define V4L2_CID_ILLUMINATORS_1			(V4L2_CID_BASE+37)
+#define V4L2_CID_ILLUMINATORS_2			(V4L2_CID_BASE+38)
+
+#define V4L2_CID_MIN_BUFFERS_FOR_CAPTURE	(V4L2_CID_BASE+39)
+#define V4L2_CID_MIN_BUFFERS_FOR_OUTPUT		(V4L2_CID_BASE+40)
+
+#define V4L2_CID_ALPHA_COMPONENT		(V4L2_CID_BASE+41)
+#define V4L2_CID_COLORFX_CBCR			(V4L2_CID_BASE+42)
+
+/* last CID + 1 */
+#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+43)
+
+/* USER-class private control IDs */
+
+/* The base for the meye driver controls. See linux/meye.h for the list
+ * of controls. We reserve 16 controls for this driver. */
+#define V4L2_CID_USER_MEYE_BASE			(V4L2_CID_USER_BASE + 0x1000)
+
+/* The base for the bttv driver controls.
+ * We reserve 32 controls for this driver. */
+#define V4L2_CID_USER_BTTV_BASE			(V4L2_CID_USER_BASE + 0x1010)
+
+
+/* The base for the s2255 driver controls.
+ * We reserve 16 controls for this driver. */
+#define V4L2_CID_USER_S2255_BASE		(V4L2_CID_USER_BASE + 0x1030)
+
+/*
+ * The base for the si476x driver controls. See include/media/drv-intf/si476x.h
+ * for the list of controls. Total of 16 controls is reserved for this driver
+ */
+#define V4L2_CID_USER_SI476X_BASE		(V4L2_CID_USER_BASE + 0x1040)
+
+/* The base for the TI VPE driver controls. Total of 16 controls is reserved for
+ * this driver */
+#define V4L2_CID_USER_TI_VPE_BASE		(V4L2_CID_USER_BASE + 0x1050)
+
+/* The base for the saa7134 driver controls.
+ * We reserve 16 controls for this driver. */
+#define V4L2_CID_USER_SAA7134_BASE		(V4L2_CID_USER_BASE + 0x1060)
+
+/* The base for the adv7180 driver controls.
+ * We reserve 16 controls for this driver. */
+#define V4L2_CID_USER_ADV7180_BASE		(V4L2_CID_USER_BASE + 0x1070)
+
+/* The base for the tc358743 driver controls.
+ * We reserve 16 controls for this driver. */
+#define V4L2_CID_USER_TC358743_BASE		(V4L2_CID_USER_BASE + 0x1080)
+
+/* The base for the max217x driver controls.
+ * We reserve 32 controls for this driver
+ */
+#define V4L2_CID_USER_MAX217X_BASE		(V4L2_CID_USER_BASE + 0x1090)
+
+/* The base for the imx driver controls.
+ * We reserve 16 controls for this driver. */
+#define V4L2_CID_USER_IMX_BASE			(V4L2_CID_USER_BASE + 0x1090)
+
+/* MPEG-class control IDs */
+/* The MPEG controls are applicable to all codec controls
+ * and the 'MPEG' part of the define is historical */
+
+#define V4L2_CID_MPEG_BASE 			(V4L2_CTRL_CLASS_MPEG | 0x900)
+#define V4L2_CID_MPEG_CLASS 			(V4L2_CTRL_CLASS_MPEG | 1)
+
+/*  MPEG streams, specific to multiplexed streams */
+#define V4L2_CID_MPEG_STREAM_TYPE 		(V4L2_CID_MPEG_BASE+0)
+enum v4l2_mpeg_stream_type {
+	V4L2_MPEG_STREAM_TYPE_MPEG2_PS   = 0, /* MPEG-2 program stream */
+	V4L2_MPEG_STREAM_TYPE_MPEG2_TS   = 1, /* MPEG-2 transport stream */
+	V4L2_MPEG_STREAM_TYPE_MPEG1_SS   = 2, /* MPEG-1 system stream */
+	V4L2_MPEG_STREAM_TYPE_MPEG2_DVD  = 3, /* MPEG-2 DVD-compatible stream */
+	V4L2_MPEG_STREAM_TYPE_MPEG1_VCD  = 4, /* MPEG-1 VCD-compatible stream */
+	V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
+};
+#define V4L2_CID_MPEG_STREAM_PID_PMT 		(V4L2_CID_MPEG_BASE+1)
+#define V4L2_CID_MPEG_STREAM_PID_AUDIO 		(V4L2_CID_MPEG_BASE+2)
+#define V4L2_CID_MPEG_STREAM_PID_VIDEO 		(V4L2_CID_MPEG_BASE+3)
+#define V4L2_CID_MPEG_STREAM_PID_PCR 		(V4L2_CID_MPEG_BASE+4)
+#define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO 	(V4L2_CID_MPEG_BASE+5)
+#define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO 	(V4L2_CID_MPEG_BASE+6)
+#define V4L2_CID_MPEG_STREAM_VBI_FMT 		(V4L2_CID_MPEG_BASE+7)
+enum v4l2_mpeg_stream_vbi_fmt {
+	V4L2_MPEG_STREAM_VBI_FMT_NONE = 0,  /* No VBI in the MPEG stream */
+	V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1,  /* VBI in private packets, IVTV format */
+};
+
+/*  MPEG audio controls specific to multiplexed streams  */
+#define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ 	(V4L2_CID_MPEG_BASE+100)
+enum v4l2_mpeg_audio_sampling_freq {
+	V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
+	V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
+	V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
+};
+#define V4L2_CID_MPEG_AUDIO_ENCODING 		(V4L2_CID_MPEG_BASE+101)
+enum v4l2_mpeg_audio_encoding {
+	V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
+	V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
+	V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
+	V4L2_MPEG_AUDIO_ENCODING_AAC     = 3,
+	V4L2_MPEG_AUDIO_ENCODING_AC3     = 4,
+};
+#define V4L2_CID_MPEG_AUDIO_L1_BITRATE 		(V4L2_CID_MPEG_BASE+102)
+enum v4l2_mpeg_audio_l1_bitrate {
+	V4L2_MPEG_AUDIO_L1_BITRATE_32K  = 0,
+	V4L2_MPEG_AUDIO_L1_BITRATE_64K  = 1,
+	V4L2_MPEG_AUDIO_L1_BITRATE_96K  = 2,
+	V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
+	V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
+	V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
+	V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
+	V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
+	V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
+	V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
+	V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
+	V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
+	V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
+	V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
+};
+#define V4L2_CID_MPEG_AUDIO_L2_BITRATE 		(V4L2_CID_MPEG_BASE+103)
+enum v4l2_mpeg_audio_l2_bitrate {
+	V4L2_MPEG_AUDIO_L2_BITRATE_32K  = 0,
+	V4L2_MPEG_AUDIO_L2_BITRATE_48K  = 1,
+	V4L2_MPEG_AUDIO_L2_BITRATE_56K  = 2,
+	V4L2_MPEG_AUDIO_L2_BITRATE_64K  = 3,
+	V4L2_MPEG_AUDIO_L2_BITRATE_80K  = 4,
+	V4L2_MPEG_AUDIO_L2_BITRATE_96K  = 5,
+	V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
+	V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
+	V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
+	V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
+	V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
+	V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
+	V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
+	V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
+};
+#define V4L2_CID_MPEG_AUDIO_L3_BITRATE 		(V4L2_CID_MPEG_BASE+104)
+enum v4l2_mpeg_audio_l3_bitrate {
+	V4L2_MPEG_AUDIO_L3_BITRATE_32K  = 0,
+	V4L2_MPEG_AUDIO_L3_BITRATE_40K  = 1,
+	V4L2_MPEG_AUDIO_L3_BITRATE_48K  = 2,
+	V4L2_MPEG_AUDIO_L3_BITRATE_56K  = 3,
+	V4L2_MPEG_AUDIO_L3_BITRATE_64K  = 4,
+	V4L2_MPEG_AUDIO_L3_BITRATE_80K  = 5,
+	V4L2_MPEG_AUDIO_L3_BITRATE_96K  = 6,
+	V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
+	V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
+	V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
+	V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
+	V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
+	V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
+	V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
+};
+#define V4L2_CID_MPEG_AUDIO_MODE 		(V4L2_CID_MPEG_BASE+105)
+enum v4l2_mpeg_audio_mode {
+	V4L2_MPEG_AUDIO_MODE_STEREO       = 0,
+	V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
+	V4L2_MPEG_AUDIO_MODE_DUAL         = 2,
+	V4L2_MPEG_AUDIO_MODE_MONO         = 3,
+};
+#define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION 	(V4L2_CID_MPEG_BASE+106)
+enum v4l2_mpeg_audio_mode_extension {
+	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4  = 0,
+	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8  = 1,
+	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
+	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
+};
+#define V4L2_CID_MPEG_AUDIO_EMPHASIS 		(V4L2_CID_MPEG_BASE+107)
+enum v4l2_mpeg_audio_emphasis {
+	V4L2_MPEG_AUDIO_EMPHASIS_NONE         = 0,
+	V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
+	V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17    = 2,
+};
+#define V4L2_CID_MPEG_AUDIO_CRC 		(V4L2_CID_MPEG_BASE+108)
+enum v4l2_mpeg_audio_crc {
+	V4L2_MPEG_AUDIO_CRC_NONE  = 0,
+	V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
+};
+#define V4L2_CID_MPEG_AUDIO_MUTE 		(V4L2_CID_MPEG_BASE+109)
+#define V4L2_CID_MPEG_AUDIO_AAC_BITRATE		(V4L2_CID_MPEG_BASE+110)
+#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE		(V4L2_CID_MPEG_BASE+111)
+enum v4l2_mpeg_audio_ac3_bitrate {
+	V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_48K  = 2,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_56K  = 3,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_64K  = 4,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_80K  = 5,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_96K  = 6,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
+	V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
+};
+#define V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK	(V4L2_CID_MPEG_BASE+112)
+enum v4l2_mpeg_audio_dec_playback {
+	V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO	    = 0,
+	V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO	    = 1,
+	V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT	    = 2,
+	V4L2_MPEG_AUDIO_DEC_PLAYBACK_RIGHT	    = 3,
+	V4L2_MPEG_AUDIO_DEC_PLAYBACK_MONO	    = 4,
+	V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO = 5,
+};
+#define V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK (V4L2_CID_MPEG_BASE+113)
+
+/*  MPEG video controls specific to multiplexed streams */
+#define V4L2_CID_MPEG_VIDEO_ENCODING 		(V4L2_CID_MPEG_BASE+200)
+enum v4l2_mpeg_video_encoding {
+	V4L2_MPEG_VIDEO_ENCODING_MPEG_1     = 0,
+	V4L2_MPEG_VIDEO_ENCODING_MPEG_2     = 1,
+	V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,
+};
+#define V4L2_CID_MPEG_VIDEO_ASPECT 		(V4L2_CID_MPEG_BASE+201)
+enum v4l2_mpeg_video_aspect {
+	V4L2_MPEG_VIDEO_ASPECT_1x1     = 0,
+	V4L2_MPEG_VIDEO_ASPECT_4x3     = 1,
+	V4L2_MPEG_VIDEO_ASPECT_16x9    = 2,
+	V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
+};
+#define V4L2_CID_MPEG_VIDEO_B_FRAMES 		(V4L2_CID_MPEG_BASE+202)
+#define V4L2_CID_MPEG_VIDEO_GOP_SIZE 		(V4L2_CID_MPEG_BASE+203)
+#define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE 	(V4L2_CID_MPEG_BASE+204)
+#define V4L2_CID_MPEG_VIDEO_PULLDOWN 		(V4L2_CID_MPEG_BASE+205)
+#define V4L2_CID_MPEG_VIDEO_BITRATE_MODE 	(V4L2_CID_MPEG_BASE+206)
+enum v4l2_mpeg_video_bitrate_mode {
+	V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
+	V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
+};
+#define V4L2_CID_MPEG_VIDEO_BITRATE 		(V4L2_CID_MPEG_BASE+207)
+#define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK 	(V4L2_CID_MPEG_BASE+208)
+#define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
+#define V4L2_CID_MPEG_VIDEO_MUTE 		(V4L2_CID_MPEG_BASE+210)
+#define V4L2_CID_MPEG_VIDEO_MUTE_YUV 		(V4L2_CID_MPEG_BASE+211)
+#define V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE		(V4L2_CID_MPEG_BASE+212)
+#define V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER	(V4L2_CID_MPEG_BASE+213)
+#define V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB		(V4L2_CID_MPEG_BASE+214)
+#define V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE			(V4L2_CID_MPEG_BASE+215)
+#define V4L2_CID_MPEG_VIDEO_HEADER_MODE				(V4L2_CID_MPEG_BASE+216)
+enum v4l2_mpeg_video_header_mode {
+	V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE			= 0,
+	V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME	= 1,
+
+};
+#define V4L2_CID_MPEG_VIDEO_MAX_REF_PIC			(V4L2_CID_MPEG_BASE+217)
+#define V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE		(V4L2_CID_MPEG_BASE+218)
+#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES	(V4L2_CID_MPEG_BASE+219)
+#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB		(V4L2_CID_MPEG_BASE+220)
+#define V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE		(V4L2_CID_MPEG_BASE+221)
+enum v4l2_mpeg_video_multi_slice_mode {
+	V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE		= 0,
+	V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB		= 1,
+	V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES	= 2,
+};
+#define V4L2_CID_MPEG_VIDEO_VBV_SIZE			(V4L2_CID_MPEG_BASE+222)
+#define V4L2_CID_MPEG_VIDEO_DEC_PTS			(V4L2_CID_MPEG_BASE+223)
+#define V4L2_CID_MPEG_VIDEO_DEC_FRAME			(V4L2_CID_MPEG_BASE+224)
+#define V4L2_CID_MPEG_VIDEO_VBV_DELAY			(V4L2_CID_MPEG_BASE+225)
+#define V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER		(V4L2_CID_MPEG_BASE+226)
+#define V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE		(V4L2_CID_MPEG_BASE+227)
+#define V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE		(V4L2_CID_MPEG_BASE+228)
+#define V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME		(V4L2_CID_MPEG_BASE+229)
+
+#define V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP		(V4L2_CID_MPEG_BASE+300)
+#define V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP		(V4L2_CID_MPEG_BASE+301)
+#define V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP		(V4L2_CID_MPEG_BASE+302)
+#define V4L2_CID_MPEG_VIDEO_H263_MIN_QP			(V4L2_CID_MPEG_BASE+303)
+#define V4L2_CID_MPEG_VIDEO_H263_MAX_QP			(V4L2_CID_MPEG_BASE+304)
+#define V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP		(V4L2_CID_MPEG_BASE+350)
+#define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP		(V4L2_CID_MPEG_BASE+351)
+#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP		(V4L2_CID_MPEG_BASE+352)
+#define V4L2_CID_MPEG_VIDEO_H264_MIN_QP			(V4L2_CID_MPEG_BASE+353)
+#define V4L2_CID_MPEG_VIDEO_H264_MAX_QP			(V4L2_CID_MPEG_BASE+354)
+#define V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM		(V4L2_CID_MPEG_BASE+355)
+#define V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE		(V4L2_CID_MPEG_BASE+356)
+#define V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE		(V4L2_CID_MPEG_BASE+357)
+enum v4l2_mpeg_video_h264_entropy_mode {
+	V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC	= 0,
+	V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC	= 1,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_I_PERIOD		(V4L2_CID_MPEG_BASE+358)
+#define V4L2_CID_MPEG_VIDEO_H264_LEVEL			(V4L2_CID_MPEG_BASE+359)
+enum v4l2_mpeg_video_h264_level {
+	V4L2_MPEG_VIDEO_H264_LEVEL_1_0	= 0,
+	V4L2_MPEG_VIDEO_H264_LEVEL_1B	= 1,
+	V4L2_MPEG_VIDEO_H264_LEVEL_1_1	= 2,
+	V4L2_MPEG_VIDEO_H264_LEVEL_1_2	= 3,
+	V4L2_MPEG_VIDEO_H264_LEVEL_1_3	= 4,
+	V4L2_MPEG_VIDEO_H264_LEVEL_2_0	= 5,
+	V4L2_MPEG_VIDEO_H264_LEVEL_2_1	= 6,
+	V4L2_MPEG_VIDEO_H264_LEVEL_2_2	= 7,
+	V4L2_MPEG_VIDEO_H264_LEVEL_3_0	= 8,
+	V4L2_MPEG_VIDEO_H264_LEVEL_3_1	= 9,
+	V4L2_MPEG_VIDEO_H264_LEVEL_3_2	= 10,
+	V4L2_MPEG_VIDEO_H264_LEVEL_4_0	= 11,
+	V4L2_MPEG_VIDEO_H264_LEVEL_4_1	= 12,
+	V4L2_MPEG_VIDEO_H264_LEVEL_4_2	= 13,
+	V4L2_MPEG_VIDEO_H264_LEVEL_5_0	= 14,
+	V4L2_MPEG_VIDEO_H264_LEVEL_5_1	= 15,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA	(V4L2_CID_MPEG_BASE+360)
+#define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA	(V4L2_CID_MPEG_BASE+361)
+#define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE	(V4L2_CID_MPEG_BASE+362)
+enum v4l2_mpeg_video_h264_loop_filter_mode {
+	V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED				= 0,
+	V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED				= 1,
+	V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY	= 2,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_PROFILE		(V4L2_CID_MPEG_BASE+363)
+enum v4l2_mpeg_video_h264_profile {
+	V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE			= 0,
+	V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE	= 1,
+	V4L2_MPEG_VIDEO_H264_PROFILE_MAIN			= 2,
+	V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED			= 3,
+	V4L2_MPEG_VIDEO_H264_PROFILE_HIGH			= 4,
+	V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10			= 5,
+	V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422			= 6,
+	V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE	= 7,
+	V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA		= 8,
+	V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA		= 9,
+	V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA		= 10,
+	V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA		= 11,
+	V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE		= 12,
+	V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH		= 13,
+	V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA	= 14,
+	V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH		= 15,
+	V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH		= 16,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT	(V4L2_CID_MPEG_BASE+364)
+#define V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH	(V4L2_CID_MPEG_BASE+365)
+#define V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE		(V4L2_CID_MPEG_BASE+366)
+#define V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC		(V4L2_CID_MPEG_BASE+367)
+enum v4l2_mpeg_video_h264_vui_sar_idc {
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_UNSPECIFIED	= 0,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1		= 1,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_12x11		= 2,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_10x11		= 3,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_16x11		= 4,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_40x33		= 5,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_24x11		= 6,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_20x11		= 7,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_32x11		= 8,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_80x33		= 9,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_18x11		= 10,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_15x11		= 11,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_64x33		= 12,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_160x99		= 13,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_4x3		= 14,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_3x2		= 15,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1		= 16,
+	V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED	= 17,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING		(V4L2_CID_MPEG_BASE+368)
+#define V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0		(V4L2_CID_MPEG_BASE+369)
+#define V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE	(V4L2_CID_MPEG_BASE+370)
+enum v4l2_mpeg_video_h264_sei_fp_arrangement_type {
+	V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHECKERBOARD	= 0,
+	V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN		= 1,
+	V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW		= 2,
+	V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE	= 3,
+	V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM		= 4,
+	V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL		= 5,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_FMO			(V4L2_CID_MPEG_BASE+371)
+#define V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE		(V4L2_CID_MPEG_BASE+372)
+enum v4l2_mpeg_video_h264_fmo_map_type {
+	V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES		= 0,
+	V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES		= 1,
+	V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER	= 2,
+	V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT			= 3,
+	V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN			= 4,
+	V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN			= 5,
+	V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT			= 6,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP	(V4L2_CID_MPEG_BASE+373)
+#define V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION	(V4L2_CID_MPEG_BASE+374)
+enum v4l2_mpeg_video_h264_fmo_change_dir {
+	V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT	= 0,
+	V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT	= 1,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE	(V4L2_CID_MPEG_BASE+375)
+#define V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH		(V4L2_CID_MPEG_BASE+376)
+#define V4L2_CID_MPEG_VIDEO_H264_ASO			(V4L2_CID_MPEG_BASE+377)
+#define V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER	(V4L2_CID_MPEG_BASE+378)
+#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING		(V4L2_CID_MPEG_BASE+379)
+#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE	(V4L2_CID_MPEG_BASE+380)
+enum v4l2_mpeg_video_h264_hierarchical_coding_type {
+	V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B	= 0,
+	V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P	= 1,
+};
+#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER	(V4L2_CID_MPEG_BASE+381)
+#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP	(V4L2_CID_MPEG_BASE+382)
+#define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP	(V4L2_CID_MPEG_BASE+400)
+#define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP	(V4L2_CID_MPEG_BASE+401)
+#define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP	(V4L2_CID_MPEG_BASE+402)
+#define V4L2_CID_MPEG_VIDEO_MPEG4_MIN_QP	(V4L2_CID_MPEG_BASE+403)
+#define V4L2_CID_MPEG_VIDEO_MPEG4_MAX_QP	(V4L2_CID_MPEG_BASE+404)
+#define V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL		(V4L2_CID_MPEG_BASE+405)
+enum v4l2_mpeg_video_mpeg4_level {
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_0	= 0,
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B	= 1,
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_1	= 2,
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_2	= 3,
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_3	= 4,
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_3B	= 5,
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_4	= 6,
+	V4L2_MPEG_VIDEO_MPEG4_LEVEL_5	= 7,
+};
+#define V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE	(V4L2_CID_MPEG_BASE+406)
+enum v4l2_mpeg_video_mpeg4_profile {
+	V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE				= 0,
+	V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE			= 1,
+	V4L2_MPEG_VIDEO_MPEG4_PROFILE_CORE				= 2,
+	V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE_SCALABLE			= 3,
+	V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY	= 4,
+};
+#define V4L2_CID_MPEG_VIDEO_MPEG4_QPEL		(V4L2_CID_MPEG_BASE+407)
+
+/*  Control IDs for VP8 streams
+ *  Although VP8 is not part of MPEG we add these controls to the MPEG class
+ *  as that class is already handling other video compression standards
+ */
+#define V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS		(V4L2_CID_MPEG_BASE+500)
+enum v4l2_vp8_num_partitions {
+	V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION	= 0,
+	V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS	= 1,
+	V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS	= 2,
+	V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS	= 3,
+};
+#define V4L2_CID_MPEG_VIDEO_VPX_IMD_DISABLE_4X4		(V4L2_CID_MPEG_BASE+501)
+#define V4L2_CID_MPEG_VIDEO_VPX_NUM_REF_FRAMES		(V4L2_CID_MPEG_BASE+502)
+enum v4l2_vp8_num_ref_frames {
+	V4L2_CID_MPEG_VIDEO_VPX_1_REF_FRAME	= 0,
+	V4L2_CID_MPEG_VIDEO_VPX_2_REF_FRAME	= 1,
+	V4L2_CID_MPEG_VIDEO_VPX_3_REF_FRAME	= 2,
+};
+#define V4L2_CID_MPEG_VIDEO_VPX_FILTER_LEVEL		(V4L2_CID_MPEG_BASE+503)
+#define V4L2_CID_MPEG_VIDEO_VPX_FILTER_SHARPNESS	(V4L2_CID_MPEG_BASE+504)
+#define V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD	(V4L2_CID_MPEG_BASE+505)
+#define V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL	(V4L2_CID_MPEG_BASE+506)
+enum v4l2_vp8_golden_frame_sel {
+	V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV		= 0,
+	V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_REF_PERIOD	= 1,
+};
+#define V4L2_CID_MPEG_VIDEO_VPX_MIN_QP			(V4L2_CID_MPEG_BASE+507)
+#define V4L2_CID_MPEG_VIDEO_VPX_MAX_QP			(V4L2_CID_MPEG_BASE+508)
+#define V4L2_CID_MPEG_VIDEO_VPX_I_FRAME_QP		(V4L2_CID_MPEG_BASE+509)
+#define V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP		(V4L2_CID_MPEG_BASE+510)
+#define V4L2_CID_MPEG_VIDEO_VPX_PROFILE			(V4L2_CID_MPEG_BASE+511)
+
+/*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
+#define V4L2_CID_MPEG_CX2341X_BASE 				(V4L2_CTRL_CLASS_MPEG | 0x1000)
+#define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+0)
+enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
+	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
+	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO   = 1,
+};
+#define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+1)
+#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+2)
+enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
+	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF                  = 0,
+	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR               = 1,
+	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT              = 2,
+	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE      = 3,
+	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
+};
+#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+3)
+enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
+	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF    = 0,
+	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
+};
+#define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+4)
+enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
+	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
+	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO   = 1,
+};
+#define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+5)
+#define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE 		(V4L2_CID_MPEG_CX2341X_BASE+6)
+enum v4l2_mpeg_cx2341x_video_median_filter_type {
+	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF      = 0,
+	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR      = 1,
+	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT     = 2,
+	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
+	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG     = 4,
+};
+#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM 	(V4L2_CID_MPEG_CX2341X_BASE+7)
+#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+8)
+#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM	(V4L2_CID_MPEG_CX2341X_BASE+9)
+#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+10)
+#define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS 	(V4L2_CID_MPEG_CX2341X_BASE+11)
+
+/*  MPEG-class control IDs specific to the Samsung MFC 5.1 driver as defined by V4L2 */
+#define V4L2_CID_MPEG_MFC51_BASE				(V4L2_CTRL_CLASS_MPEG | 0x1100)
+
+#define V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY		(V4L2_CID_MPEG_MFC51_BASE+0)
+#define V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE	(V4L2_CID_MPEG_MFC51_BASE+1)
+#define V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE			(V4L2_CID_MPEG_MFC51_BASE+2)
+enum v4l2_mpeg_mfc51_video_frame_skip_mode {
+	V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_DISABLED		= 0,
+	V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_LEVEL_LIMIT	= 1,
+	V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT		= 2,
+};
+#define V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE			(V4L2_CID_MPEG_MFC51_BASE+3)
+enum v4l2_mpeg_mfc51_video_force_frame_type {
+	V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_DISABLED		= 0,
+	V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_I_FRAME		= 1,
+	V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_NOT_CODED	= 2,
+};
+#define V4L2_CID_MPEG_MFC51_VIDEO_PADDING				(V4L2_CID_MPEG_MFC51_BASE+4)
+#define V4L2_CID_MPEG_MFC51_VIDEO_PADDING_YUV				(V4L2_CID_MPEG_MFC51_BASE+5)
+#define V4L2_CID_MPEG_MFC51_VIDEO_RC_FIXED_TARGET_BIT			(V4L2_CID_MPEG_MFC51_BASE+6)
+#define V4L2_CID_MPEG_MFC51_VIDEO_RC_REACTION_COEFF			(V4L2_CID_MPEG_MFC51_BASE+7)
+#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_ACTIVITY		(V4L2_CID_MPEG_MFC51_BASE+50)
+#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_DARK			(V4L2_CID_MPEG_MFC51_BASE+51)
+#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_SMOOTH		(V4L2_CID_MPEG_MFC51_BASE+52)
+#define V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_STATIC		(V4L2_CID_MPEG_MFC51_BASE+53)
+#define V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P		(V4L2_CID_MPEG_MFC51_BASE+54)
+
+
+/*  Camera class control IDs */
+
+#define V4L2_CID_CAMERA_CLASS_BASE 	(V4L2_CTRL_CLASS_CAMERA | 0x900)
+#define V4L2_CID_CAMERA_CLASS 		(V4L2_CTRL_CLASS_CAMERA | 1)
+
+#define V4L2_CID_EXPOSURE_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+1)
+enum  v4l2_exposure_auto_type {
+	V4L2_EXPOSURE_AUTO = 0,
+	V4L2_EXPOSURE_MANUAL = 1,
+	V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
+	V4L2_EXPOSURE_APERTURE_PRIORITY = 3
+};
+#define V4L2_CID_EXPOSURE_ABSOLUTE		(V4L2_CID_CAMERA_CLASS_BASE+2)
+#define V4L2_CID_EXPOSURE_AUTO_PRIORITY		(V4L2_CID_CAMERA_CLASS_BASE+3)
+
+#define V4L2_CID_PAN_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+4)
+#define V4L2_CID_TILT_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+5)
+#define V4L2_CID_PAN_RESET			(V4L2_CID_CAMERA_CLASS_BASE+6)
+#define V4L2_CID_TILT_RESET			(V4L2_CID_CAMERA_CLASS_BASE+7)
+
+#define V4L2_CID_PAN_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+8)
+#define V4L2_CID_TILT_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+9)
+
+#define V4L2_CID_FOCUS_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+10)
+#define V4L2_CID_FOCUS_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+11)
+#define V4L2_CID_FOCUS_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+12)
+
+#define V4L2_CID_ZOOM_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+13)
+#define V4L2_CID_ZOOM_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+14)
+#define V4L2_CID_ZOOM_CONTINUOUS		(V4L2_CID_CAMERA_CLASS_BASE+15)
+
+#define V4L2_CID_PRIVACY			(V4L2_CID_CAMERA_CLASS_BASE+16)
+
+#define V4L2_CID_IRIS_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+17)
+#define V4L2_CID_IRIS_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+18)
+
+#define V4L2_CID_AUTO_EXPOSURE_BIAS		(V4L2_CID_CAMERA_CLASS_BASE+19)
+
+#define V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE	(V4L2_CID_CAMERA_CLASS_BASE+20)
+enum v4l2_auto_n_preset_white_balance {
+	V4L2_WHITE_BALANCE_MANUAL		= 0,
+	V4L2_WHITE_BALANCE_AUTO			= 1,
+	V4L2_WHITE_BALANCE_INCANDESCENT		= 2,
+	V4L2_WHITE_BALANCE_FLUORESCENT		= 3,
+	V4L2_WHITE_BALANCE_FLUORESCENT_H	= 4,
+	V4L2_WHITE_BALANCE_HORIZON		= 5,
+	V4L2_WHITE_BALANCE_DAYLIGHT		= 6,
+	V4L2_WHITE_BALANCE_FLASH		= 7,
+	V4L2_WHITE_BALANCE_CLOUDY		= 8,
+	V4L2_WHITE_BALANCE_SHADE		= 9,
+};
+
+#define V4L2_CID_WIDE_DYNAMIC_RANGE		(V4L2_CID_CAMERA_CLASS_BASE+21)
+#define V4L2_CID_IMAGE_STABILIZATION		(V4L2_CID_CAMERA_CLASS_BASE+22)
+
+#define V4L2_CID_ISO_SENSITIVITY		(V4L2_CID_CAMERA_CLASS_BASE+23)
+#define V4L2_CID_ISO_SENSITIVITY_AUTO		(V4L2_CID_CAMERA_CLASS_BASE+24)
+enum v4l2_iso_sensitivity_auto_type {
+	V4L2_ISO_SENSITIVITY_MANUAL		= 0,
+	V4L2_ISO_SENSITIVITY_AUTO		= 1,
+};
+
+#define V4L2_CID_EXPOSURE_METERING		(V4L2_CID_CAMERA_CLASS_BASE+25)
+enum v4l2_exposure_metering {
+	V4L2_EXPOSURE_METERING_AVERAGE		= 0,
+	V4L2_EXPOSURE_METERING_CENTER_WEIGHTED	= 1,
+	V4L2_EXPOSURE_METERING_SPOT		= 2,
+	V4L2_EXPOSURE_METERING_MATRIX		= 3,
+};
+
+#define V4L2_CID_SCENE_MODE			(V4L2_CID_CAMERA_CLASS_BASE+26)
+enum v4l2_scene_mode {
+	V4L2_SCENE_MODE_NONE			= 0,
+	V4L2_SCENE_MODE_BACKLIGHT		= 1,
+	V4L2_SCENE_MODE_BEACH_SNOW		= 2,
+	V4L2_SCENE_MODE_CANDLE_LIGHT		= 3,
+	V4L2_SCENE_MODE_DAWN_DUSK		= 4,
+	V4L2_SCENE_MODE_FALL_COLORS		= 5,
+	V4L2_SCENE_MODE_FIREWORKS		= 6,
+	V4L2_SCENE_MODE_LANDSCAPE		= 7,
+	V4L2_SCENE_MODE_NIGHT			= 8,
+	V4L2_SCENE_MODE_PARTY_INDOOR		= 9,
+	V4L2_SCENE_MODE_PORTRAIT		= 10,
+	V4L2_SCENE_MODE_SPORTS			= 11,
+	V4L2_SCENE_MODE_SUNSET			= 12,
+	V4L2_SCENE_MODE_TEXT			= 13,
+};
+
+#define V4L2_CID_3A_LOCK			(V4L2_CID_CAMERA_CLASS_BASE+27)
+#define V4L2_LOCK_EXPOSURE			(1 << 0)
+#define V4L2_LOCK_WHITE_BALANCE			(1 << 1)
+#define V4L2_LOCK_FOCUS				(1 << 2)
+
+#define V4L2_CID_AUTO_FOCUS_START		(V4L2_CID_CAMERA_CLASS_BASE+28)
+#define V4L2_CID_AUTO_FOCUS_STOP		(V4L2_CID_CAMERA_CLASS_BASE+29)
+#define V4L2_CID_AUTO_FOCUS_STATUS		(V4L2_CID_CAMERA_CLASS_BASE+30)
+#define V4L2_AUTO_FOCUS_STATUS_IDLE		(0 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_BUSY		(1 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_REACHED		(1 << 1)
+#define V4L2_AUTO_FOCUS_STATUS_FAILED		(1 << 2)
+
+#define V4L2_CID_AUTO_FOCUS_RANGE		(V4L2_CID_CAMERA_CLASS_BASE+31)
+enum v4l2_auto_focus_range {
+	V4L2_AUTO_FOCUS_RANGE_AUTO		= 0,
+	V4L2_AUTO_FOCUS_RANGE_NORMAL		= 1,
+	V4L2_AUTO_FOCUS_RANGE_MACRO		= 2,
+	V4L2_AUTO_FOCUS_RANGE_INFINITY		= 3,
+};
+
+#define V4L2_CID_PAN_SPEED			(V4L2_CID_CAMERA_CLASS_BASE+32)
+#define V4L2_CID_TILT_SPEED			(V4L2_CID_CAMERA_CLASS_BASE+33)
+
+/* FM Modulator class control IDs */
+
+#define V4L2_CID_FM_TX_CLASS_BASE		(V4L2_CTRL_CLASS_FM_TX | 0x900)
+#define V4L2_CID_FM_TX_CLASS			(V4L2_CTRL_CLASS_FM_TX | 1)
+
+#define V4L2_CID_RDS_TX_DEVIATION		(V4L2_CID_FM_TX_CLASS_BASE + 1)
+#define V4L2_CID_RDS_TX_PI			(V4L2_CID_FM_TX_CLASS_BASE + 2)
+#define V4L2_CID_RDS_TX_PTY			(V4L2_CID_FM_TX_CLASS_BASE + 3)
+#define V4L2_CID_RDS_TX_PS_NAME			(V4L2_CID_FM_TX_CLASS_BASE + 5)
+#define V4L2_CID_RDS_TX_RADIO_TEXT		(V4L2_CID_FM_TX_CLASS_BASE + 6)
+#define V4L2_CID_RDS_TX_MONO_STEREO		(V4L2_CID_FM_TX_CLASS_BASE + 7)
+#define V4L2_CID_RDS_TX_ARTIFICIAL_HEAD		(V4L2_CID_FM_TX_CLASS_BASE + 8)
+#define V4L2_CID_RDS_TX_COMPRESSED		(V4L2_CID_FM_TX_CLASS_BASE + 9)
+#define V4L2_CID_RDS_TX_DYNAMIC_PTY		(V4L2_CID_FM_TX_CLASS_BASE + 10)
+#define V4L2_CID_RDS_TX_TRAFFIC_ANNOUNCEMENT	(V4L2_CID_FM_TX_CLASS_BASE + 11)
+#define V4L2_CID_RDS_TX_TRAFFIC_PROGRAM		(V4L2_CID_FM_TX_CLASS_BASE + 12)
+#define V4L2_CID_RDS_TX_MUSIC_SPEECH		(V4L2_CID_FM_TX_CLASS_BASE + 13)
+#define V4L2_CID_RDS_TX_ALT_FREQS_ENABLE	(V4L2_CID_FM_TX_CLASS_BASE + 14)
+#define V4L2_CID_RDS_TX_ALT_FREQS		(V4L2_CID_FM_TX_CLASS_BASE + 15)
+
+#define V4L2_CID_AUDIO_LIMITER_ENABLED		(V4L2_CID_FM_TX_CLASS_BASE + 64)
+#define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME	(V4L2_CID_FM_TX_CLASS_BASE + 65)
+#define V4L2_CID_AUDIO_LIMITER_DEVIATION	(V4L2_CID_FM_TX_CLASS_BASE + 66)
+
+#define V4L2_CID_AUDIO_COMPRESSION_ENABLED	(V4L2_CID_FM_TX_CLASS_BASE + 80)
+#define V4L2_CID_AUDIO_COMPRESSION_GAIN		(V4L2_CID_FM_TX_CLASS_BASE + 81)
+#define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD	(V4L2_CID_FM_TX_CLASS_BASE + 82)
+#define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME	(V4L2_CID_FM_TX_CLASS_BASE + 83)
+#define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME	(V4L2_CID_FM_TX_CLASS_BASE + 84)
+
+#define V4L2_CID_PILOT_TONE_ENABLED		(V4L2_CID_FM_TX_CLASS_BASE + 96)
+#define V4L2_CID_PILOT_TONE_DEVIATION		(V4L2_CID_FM_TX_CLASS_BASE + 97)
+#define V4L2_CID_PILOT_TONE_FREQUENCY		(V4L2_CID_FM_TX_CLASS_BASE + 98)
+
+#define V4L2_CID_TUNE_PREEMPHASIS		(V4L2_CID_FM_TX_CLASS_BASE + 112)
+enum v4l2_preemphasis {
+	V4L2_PREEMPHASIS_DISABLED	= 0,
+	V4L2_PREEMPHASIS_50_uS		= 1,
+	V4L2_PREEMPHASIS_75_uS		= 2,
+};
+#define V4L2_CID_TUNE_POWER_LEVEL		(V4L2_CID_FM_TX_CLASS_BASE + 113)
+#define V4L2_CID_TUNE_ANTENNA_CAPACITOR		(V4L2_CID_FM_TX_CLASS_BASE + 114)
+
+
+/* Flash and privacy (indicator) light controls */
+
+#define V4L2_CID_FLASH_CLASS_BASE		(V4L2_CTRL_CLASS_FLASH | 0x900)
+#define V4L2_CID_FLASH_CLASS			(V4L2_CTRL_CLASS_FLASH | 1)
+
+#define V4L2_CID_FLASH_LED_MODE			(V4L2_CID_FLASH_CLASS_BASE + 1)
+enum v4l2_flash_led_mode {
+	V4L2_FLASH_LED_MODE_NONE,
+	V4L2_FLASH_LED_MODE_FLASH,
+	V4L2_FLASH_LED_MODE_TORCH,
+};
+
+#define V4L2_CID_FLASH_STROBE_SOURCE		(V4L2_CID_FLASH_CLASS_BASE + 2)
+enum v4l2_flash_strobe_source {
+	V4L2_FLASH_STROBE_SOURCE_SOFTWARE,
+	V4L2_FLASH_STROBE_SOURCE_EXTERNAL,
+};
+
+#define V4L2_CID_FLASH_STROBE			(V4L2_CID_FLASH_CLASS_BASE + 3)
+#define V4L2_CID_FLASH_STROBE_STOP		(V4L2_CID_FLASH_CLASS_BASE + 4)
+#define V4L2_CID_FLASH_STROBE_STATUS		(V4L2_CID_FLASH_CLASS_BASE + 5)
+
+#define V4L2_CID_FLASH_TIMEOUT			(V4L2_CID_FLASH_CLASS_BASE + 6)
+#define V4L2_CID_FLASH_INTENSITY		(V4L2_CID_FLASH_CLASS_BASE + 7)
+#define V4L2_CID_FLASH_TORCH_INTENSITY		(V4L2_CID_FLASH_CLASS_BASE + 8)
+#define V4L2_CID_FLASH_INDICATOR_INTENSITY	(V4L2_CID_FLASH_CLASS_BASE + 9)
+
+#define V4L2_CID_FLASH_FAULT			(V4L2_CID_FLASH_CLASS_BASE + 10)
+#define V4L2_FLASH_FAULT_OVER_VOLTAGE		(1 << 0)
+#define V4L2_FLASH_FAULT_TIMEOUT		(1 << 1)
+#define V4L2_FLASH_FAULT_OVER_TEMPERATURE	(1 << 2)
+#define V4L2_FLASH_FAULT_SHORT_CIRCUIT		(1 << 3)
+#define V4L2_FLASH_FAULT_OVER_CURRENT		(1 << 4)
+#define V4L2_FLASH_FAULT_INDICATOR		(1 << 5)
+#define V4L2_FLASH_FAULT_UNDER_VOLTAGE		(1 << 6)
+#define V4L2_FLASH_FAULT_INPUT_VOLTAGE		(1 << 7)
+#define V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE	(1 << 8)
+
+#define V4L2_CID_FLASH_CHARGE			(V4L2_CID_FLASH_CLASS_BASE + 11)
+#define V4L2_CID_FLASH_READY			(V4L2_CID_FLASH_CLASS_BASE + 12)
+
+
+/* JPEG-class control IDs */
+
+#define V4L2_CID_JPEG_CLASS_BASE		(V4L2_CTRL_CLASS_JPEG | 0x900)
+#define V4L2_CID_JPEG_CLASS			(V4L2_CTRL_CLASS_JPEG | 1)
+
+#define	V4L2_CID_JPEG_CHROMA_SUBSAMPLING	(V4L2_CID_JPEG_CLASS_BASE + 1)
+enum v4l2_jpeg_chroma_subsampling {
+	V4L2_JPEG_CHROMA_SUBSAMPLING_444	= 0,
+	V4L2_JPEG_CHROMA_SUBSAMPLING_422	= 1,
+	V4L2_JPEG_CHROMA_SUBSAMPLING_420	= 2,
+	V4L2_JPEG_CHROMA_SUBSAMPLING_411	= 3,
+	V4L2_JPEG_CHROMA_SUBSAMPLING_410	= 4,
+	V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY	= 5,
+};
+#define	V4L2_CID_JPEG_RESTART_INTERVAL		(V4L2_CID_JPEG_CLASS_BASE + 2)
+#define	V4L2_CID_JPEG_COMPRESSION_QUALITY	(V4L2_CID_JPEG_CLASS_BASE + 3)
+
+#define	V4L2_CID_JPEG_ACTIVE_MARKER		(V4L2_CID_JPEG_CLASS_BASE + 4)
+#define	V4L2_JPEG_ACTIVE_MARKER_APP0		(1 << 0)
+#define	V4L2_JPEG_ACTIVE_MARKER_APP1		(1 << 1)
+#define	V4L2_JPEG_ACTIVE_MARKER_COM		(1 << 16)
+#define	V4L2_JPEG_ACTIVE_MARKER_DQT		(1 << 17)
+#define	V4L2_JPEG_ACTIVE_MARKER_DHT		(1 << 18)
+
+
+/* Image source controls */
+#define V4L2_CID_IMAGE_SOURCE_CLASS_BASE	(V4L2_CTRL_CLASS_IMAGE_SOURCE | 0x900)
+#define V4L2_CID_IMAGE_SOURCE_CLASS		(V4L2_CTRL_CLASS_IMAGE_SOURCE | 1)
+
+#define V4L2_CID_VBLANK				(V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 1)
+#define V4L2_CID_HBLANK				(V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 2)
+#define V4L2_CID_ANALOGUE_GAIN			(V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 3)
+#define V4L2_CID_TEST_PATTERN_RED		(V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 4)
+#define V4L2_CID_TEST_PATTERN_GREENR		(V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 5)
+#define V4L2_CID_TEST_PATTERN_BLUE		(V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 6)
+#define V4L2_CID_TEST_PATTERN_GREENB		(V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 7)
+
+
+/* Image processing controls */
+
+#define V4L2_CID_IMAGE_PROC_CLASS_BASE		(V4L2_CTRL_CLASS_IMAGE_PROC | 0x900)
+#define V4L2_CID_IMAGE_PROC_CLASS		(V4L2_CTRL_CLASS_IMAGE_PROC | 1)
+
+#define V4L2_CID_LINK_FREQ			(V4L2_CID_IMAGE_PROC_CLASS_BASE + 1)
+#define V4L2_CID_PIXEL_RATE			(V4L2_CID_IMAGE_PROC_CLASS_BASE + 2)
+#define V4L2_CID_TEST_PATTERN			(V4L2_CID_IMAGE_PROC_CLASS_BASE + 3)
+#define V4L2_CID_DEINTERLACING_MODE		(V4L2_CID_IMAGE_PROC_CLASS_BASE + 4)
+#define V4L2_CID_DIGITAL_GAIN			(V4L2_CID_IMAGE_PROC_CLASS_BASE + 5)
+
+/*  DV-class control IDs defined by V4L2 */
+#define V4L2_CID_DV_CLASS_BASE			(V4L2_CTRL_CLASS_DV | 0x900)
+#define V4L2_CID_DV_CLASS			(V4L2_CTRL_CLASS_DV | 1)
+
+#define	V4L2_CID_DV_TX_HOTPLUG			(V4L2_CID_DV_CLASS_BASE + 1)
+#define	V4L2_CID_DV_TX_RXSENSE			(V4L2_CID_DV_CLASS_BASE + 2)
+#define	V4L2_CID_DV_TX_EDID_PRESENT		(V4L2_CID_DV_CLASS_BASE + 3)
+#define	V4L2_CID_DV_TX_MODE			(V4L2_CID_DV_CLASS_BASE + 4)
+enum v4l2_dv_tx_mode {
+	V4L2_DV_TX_MODE_DVI_D	= 0,
+	V4L2_DV_TX_MODE_HDMI	= 1,
+};
+#define V4L2_CID_DV_TX_RGB_RANGE		(V4L2_CID_DV_CLASS_BASE + 5)
+enum v4l2_dv_rgb_range {
+	V4L2_DV_RGB_RANGE_AUTO	  = 0,
+	V4L2_DV_RGB_RANGE_LIMITED = 1,
+	V4L2_DV_RGB_RANGE_FULL	  = 2,
+};
+
+#define V4L2_CID_DV_TX_IT_CONTENT_TYPE		(V4L2_CID_DV_CLASS_BASE + 6)
+enum v4l2_dv_it_content_type {
+	V4L2_DV_IT_CONTENT_TYPE_GRAPHICS  = 0,
+	V4L2_DV_IT_CONTENT_TYPE_PHOTO	  = 1,
+	V4L2_DV_IT_CONTENT_TYPE_CINEMA	  = 2,
+	V4L2_DV_IT_CONTENT_TYPE_GAME	  = 3,
+	V4L2_DV_IT_CONTENT_TYPE_NO_ITC	  = 4,
+};
+
+#define	V4L2_CID_DV_RX_POWER_PRESENT		(V4L2_CID_DV_CLASS_BASE + 100)
+#define V4L2_CID_DV_RX_RGB_RANGE		(V4L2_CID_DV_CLASS_BASE + 101)
+#define V4L2_CID_DV_RX_IT_CONTENT_TYPE		(V4L2_CID_DV_CLASS_BASE + 102)
+
+#define V4L2_CID_FM_RX_CLASS_BASE		(V4L2_CTRL_CLASS_FM_RX | 0x900)
+#define V4L2_CID_FM_RX_CLASS			(V4L2_CTRL_CLASS_FM_RX | 1)
+
+#define V4L2_CID_TUNE_DEEMPHASIS		(V4L2_CID_FM_RX_CLASS_BASE + 1)
+enum v4l2_deemphasis {
+	V4L2_DEEMPHASIS_DISABLED	= V4L2_PREEMPHASIS_DISABLED,
+	V4L2_DEEMPHASIS_50_uS		= V4L2_PREEMPHASIS_50_uS,
+	V4L2_DEEMPHASIS_75_uS		= V4L2_PREEMPHASIS_75_uS,
+};
+
+#define V4L2_CID_RDS_RECEPTION			(V4L2_CID_FM_RX_CLASS_BASE + 2)
+#define V4L2_CID_RDS_RX_PTY			(V4L2_CID_FM_RX_CLASS_BASE + 3)
+#define V4L2_CID_RDS_RX_PS_NAME			(V4L2_CID_FM_RX_CLASS_BASE + 4)
+#define V4L2_CID_RDS_RX_RADIO_TEXT		(V4L2_CID_FM_RX_CLASS_BASE + 5)
+#define V4L2_CID_RDS_RX_TRAFFIC_ANNOUNCEMENT	(V4L2_CID_FM_RX_CLASS_BASE + 6)
+#define V4L2_CID_RDS_RX_TRAFFIC_PROGRAM		(V4L2_CID_FM_RX_CLASS_BASE + 7)
+#define V4L2_CID_RDS_RX_MUSIC_SPEECH		(V4L2_CID_FM_RX_CLASS_BASE + 8)
+
+#define V4L2_CID_RF_TUNER_CLASS_BASE		(V4L2_CTRL_CLASS_RF_TUNER | 0x900)
+#define V4L2_CID_RF_TUNER_CLASS			(V4L2_CTRL_CLASS_RF_TUNER | 1)
+
+#define V4L2_CID_RF_TUNER_BANDWIDTH_AUTO	(V4L2_CID_RF_TUNER_CLASS_BASE + 11)
+#define V4L2_CID_RF_TUNER_BANDWIDTH		(V4L2_CID_RF_TUNER_CLASS_BASE + 12)
+#define V4L2_CID_RF_TUNER_RF_GAIN		(V4L2_CID_RF_TUNER_CLASS_BASE + 32)
+#define V4L2_CID_RF_TUNER_LNA_GAIN_AUTO		(V4L2_CID_RF_TUNER_CLASS_BASE + 41)
+#define V4L2_CID_RF_TUNER_LNA_GAIN		(V4L2_CID_RF_TUNER_CLASS_BASE + 42)
+#define V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO	(V4L2_CID_RF_TUNER_CLASS_BASE + 51)
+#define V4L2_CID_RF_TUNER_MIXER_GAIN		(V4L2_CID_RF_TUNER_CLASS_BASE + 52)
+#define V4L2_CID_RF_TUNER_IF_GAIN_AUTO		(V4L2_CID_RF_TUNER_CLASS_BASE + 61)
+#define V4L2_CID_RF_TUNER_IF_GAIN		(V4L2_CID_RF_TUNER_CLASS_BASE + 62)
+#define V4L2_CID_RF_TUNER_PLL_LOCK			(V4L2_CID_RF_TUNER_CLASS_BASE + 91)
+
+
+/*  Detection-class control IDs defined by V4L2 */
+#define V4L2_CID_DETECT_CLASS_BASE		(V4L2_CTRL_CLASS_DETECT | 0x900)
+#define V4L2_CID_DETECT_CLASS			(V4L2_CTRL_CLASS_DETECT | 1)
+
+#define V4L2_CID_DETECT_MD_MODE			(V4L2_CID_DETECT_CLASS_BASE + 1)
+enum v4l2_detect_md_mode {
+	V4L2_DETECT_MD_MODE_DISABLED		= 0,
+	V4L2_DETECT_MD_MODE_GLOBAL		= 1,
+	V4L2_DETECT_MD_MODE_THRESHOLD_GRID	= 2,
+	V4L2_DETECT_MD_MODE_REGION_GRID		= 3,
+};
+#define V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD	(V4L2_CID_DETECT_CLASS_BASE + 2)
+#define V4L2_CID_DETECT_MD_THRESHOLD_GRID	(V4L2_CID_DETECT_CLASS_BASE + 3)
+#define V4L2_CID_DETECT_MD_REGION_GRID		(V4L2_CID_DETECT_CLASS_BASE + 4)
+
+#endif
diff --git a/compat/v4l2/videodev2.h b/compat/v4l2/videodev2.h
new file mode 100644
index 0000000..b98f472
--- /dev/null
+++ b/compat/v4l2/videodev2.h
@@ -0,0 +1,2402 @@
+/*
+ *  Video for Linux Two header file
+ *
+ *  Copyright (C) 1999-2012 the contributors
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  Alternatively you can redistribute this file under the terms of the
+ *  BSD license as stated below:
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *  3. The names of its contributors may not be used to endorse or promote
+ *     products derived from this software without specific prior written
+ *     permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *	Header file for v4l or V4L2 drivers and applications
+ * with public API.
+ * All kernel-specific stuff were moved to media/v4l2-dev.h, so
+ * no #if __KERNEL tests are allowed here
+ *
+ *	See https://linuxtv.org for more info
+ *
+ *	Author: Bill Dirks <bill@thedirks.org>
+ *		Justin Schoeman
+ *              Hans Verkuil <hverkuil@xs4all.nl>
+ *		et al.
+ */
+#ifndef _UAPI__LINUX_VIDEODEV2_H
+#define _UAPI__LINUX_VIDEODEV2_H
+
+
+#include <sys/time.h>
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+#include "v4l2-common.h"
+#include "v4l2-controls.h"
+#define __user
+
+/*
+ * Common stuff for both V4L1 and V4L2
+ * Moved from videodev.h
+ */
+#define VIDEO_MAX_FRAME               32
+#define VIDEO_MAX_PLANES               8
+
+/*
+ *	M I S C E L L A N E O U S
+ */
+
+/*  Four-character-code (FOURCC) */
+#define v4l2_fourcc(a, b, c, d)\
+	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
+#define v4l2_fourcc_be(a, b, c, d)	(v4l2_fourcc(a, b, c, d) | (1 << 31))
+
+/*
+ *	E N U M S
+ */
+enum v4l2_field {
+	V4L2_FIELD_ANY           = 0, /* driver can choose from none,
+					 top, bottom, interlaced
+					 depending on whatever it thinks
+					 is approximate ... */
+	V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
+	V4L2_FIELD_TOP           = 2, /* top field only */
+	V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
+	V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
+	V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
+					 buffer, top-bottom order */
+	V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
+	V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
+					 separate buffers */
+	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
+					 first and the top field is
+					 transmitted first */
+	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
+					 first and the bottom field is
+					 transmitted first */
+};
+#define V4L2_FIELD_HAS_TOP(field)	\
+	((field) == V4L2_FIELD_TOP 	||\
+	 (field) == V4L2_FIELD_INTERLACED ||\
+	 (field) == V4L2_FIELD_INTERLACED_TB ||\
+	 (field) == V4L2_FIELD_INTERLACED_BT ||\
+	 (field) == V4L2_FIELD_SEQ_TB	||\
+	 (field) == V4L2_FIELD_SEQ_BT)
+#define V4L2_FIELD_HAS_BOTTOM(field)	\
+	((field) == V4L2_FIELD_BOTTOM 	||\
+	 (field) == V4L2_FIELD_INTERLACED ||\
+	 (field) == V4L2_FIELD_INTERLACED_TB ||\
+	 (field) == V4L2_FIELD_INTERLACED_BT ||\
+	 (field) == V4L2_FIELD_SEQ_TB	||\
+	 (field) == V4L2_FIELD_SEQ_BT)
+#define V4L2_FIELD_HAS_BOTH(field)	\
+	((field) == V4L2_FIELD_INTERLACED ||\
+	 (field) == V4L2_FIELD_INTERLACED_TB ||\
+	 (field) == V4L2_FIELD_INTERLACED_BT ||\
+	 (field) == V4L2_FIELD_SEQ_TB ||\
+	 (field) == V4L2_FIELD_SEQ_BT)
+#define V4L2_FIELD_HAS_T_OR_B(field)	\
+	((field) == V4L2_FIELD_BOTTOM ||\
+	 (field) == V4L2_FIELD_TOP ||\
+	 (field) == V4L2_FIELD_ALTERNATE)
+
+enum v4l2_buf_type {
+	V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
+	V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
+	V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
+	V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
+	V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
+	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
+	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
+	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
+	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
+	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
+	V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
+	V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
+	V4L2_BUF_TYPE_META_CAPTURE         = 13,
+	/* Deprecated, do not use */
+	V4L2_BUF_TYPE_PRIVATE              = 0x80,
+};
+
+#define V4L2_TYPE_IS_MULTIPLANAR(type)			\
+	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	\
+	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+
+#define V4L2_TYPE_IS_OUTPUT(type)				\
+	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
+	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
+	 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY		\
+	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
+	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
+	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT		\
+	 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
+
+enum v4l2_tuner_type {
+	V4L2_TUNER_RADIO	     = 1,
+	V4L2_TUNER_ANALOG_TV	     = 2,
+	V4L2_TUNER_DIGITAL_TV	     = 3,
+	V4L2_TUNER_SDR               = 4,
+	V4L2_TUNER_RF                = 5,
+};
+
+/* Deprecated, do not use */
+#define V4L2_TUNER_ADC  V4L2_TUNER_SDR
+
+enum v4l2_memory {
+	V4L2_MEMORY_MMAP             = 1,
+	V4L2_MEMORY_USERPTR          = 2,
+	V4L2_MEMORY_OVERLAY          = 3,
+	V4L2_MEMORY_DMABUF           = 4,
+};
+
+/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
+enum v4l2_colorspace {
+	/*
+	 * Default colorspace, i.e. let the driver figure it out.
+	 * Can only be used with video capture.
+	 */
+	V4L2_COLORSPACE_DEFAULT       = 0,
+
+	/* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
+	V4L2_COLORSPACE_SMPTE170M     = 1,
+
+	/* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
+	V4L2_COLORSPACE_SMPTE240M     = 2,
+
+	/* Rec.709: used for HDTV */
+	V4L2_COLORSPACE_REC709        = 3,
+
+	/*
+	 * Deprecated, do not use. No driver will ever return this. This was
+	 * based on a misunderstanding of the bt878 datasheet.
+	 */
+	V4L2_COLORSPACE_BT878         = 4,
+
+	/*
+	 * NTSC 1953 colorspace. This only makes sense when dealing with
+	 * really, really old NTSC recordings. Superseded by SMPTE 170M.
+	 */
+	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
+
+	/*
+	 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
+	 * dealing with really old PAL/SECAM recordings. Superseded by
+	 * SMPTE 170M.
+	 */
+	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
+
+	/*
+	 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
+	 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
+	 */
+	V4L2_COLORSPACE_JPEG          = 7,
+
+	/* For RGB colorspaces such as produces by most webcams. */
+	V4L2_COLORSPACE_SRGB          = 8,
+
+	/* AdobeRGB colorspace */
+	V4L2_COLORSPACE_ADOBERGB      = 9,
+
+	/* BT.2020 colorspace, used for UHDTV. */
+	V4L2_COLORSPACE_BT2020        = 10,
+
+	/* Raw colorspace: for RAW unprocessed images */
+	V4L2_COLORSPACE_RAW           = 11,
+
+	/* DCI-P3 colorspace, used by cinema projectors */
+	V4L2_COLORSPACE_DCI_P3        = 12,
+};
+
+/*
+ * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
+ * This depends on whether this is a SDTV image (use SMPTE 170M), an
+ * HDTV image (use Rec. 709), or something else (use sRGB).
+ */
+#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
+	((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
+	 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
+
+enum v4l2_xfer_func {
+	/*
+	 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
+	 * for the various colorspaces:
+	 *
+	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
+	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
+	 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
+	 *
+	 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
+	 *
+	 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
+	 *
+	 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
+	 *
+	 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
+	 *
+	 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
+	 */
+	V4L2_XFER_FUNC_DEFAULT     = 0,
+	V4L2_XFER_FUNC_709         = 1,
+	V4L2_XFER_FUNC_SRGB        = 2,
+	V4L2_XFER_FUNC_ADOBERGB    = 3,
+	V4L2_XFER_FUNC_SMPTE240M   = 4,
+	V4L2_XFER_FUNC_NONE        = 5,
+	V4L2_XFER_FUNC_DCI_P3      = 6,
+	V4L2_XFER_FUNC_SMPTE2084   = 7,
+};
+
+/*
+ * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
+ * This depends on the colorspace.
+ */
+#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
+	((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
+	 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
+	  ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
+	   ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
+	    ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
+	     V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
+
+enum v4l2_ycbcr_encoding {
+	/*
+	 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
+	 * various colorspaces:
+	 *
+	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
+	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
+	 * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
+	 *
+	 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
+	 *
+	 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
+	 *
+	 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
+	 */
+	V4L2_YCBCR_ENC_DEFAULT        = 0,
+
+	/* ITU-R 601 -- SDTV */
+	V4L2_YCBCR_ENC_601            = 1,
+
+	/* Rec. 709 -- HDTV */
+	V4L2_YCBCR_ENC_709            = 2,
+
+	/* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
+	V4L2_YCBCR_ENC_XV601          = 3,
+
+	/* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
+	V4L2_YCBCR_ENC_XV709          = 4,
+
+#ifndef __KERNEL__
+	/*
+	 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
+	 * originally due to a misunderstanding of the sYCC standard. It should
+	 * not be used, instead use V4L2_YCBCR_ENC_601.
+	 */
+	V4L2_YCBCR_ENC_SYCC           = 5,
+#endif
+
+	/* BT.2020 Non-constant Luminance Y'CbCr */
+	V4L2_YCBCR_ENC_BT2020         = 6,
+
+	/* BT.2020 Constant Luminance Y'CbcCrc */
+	V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
+
+	/* SMPTE 240M -- Obsolete HDTV */
+	V4L2_YCBCR_ENC_SMPTE240M      = 8,
+};
+
+/*
+ * enum v4l2_hsv_encoding values should not collide with the ones from
+ * enum v4l2_ycbcr_encoding.
+ */
+enum v4l2_hsv_encoding {
+
+	/* Hue mapped to 0 - 179 */
+	V4L2_HSV_ENC_180		= 128,
+
+	/* Hue mapped to 0-255 */
+	V4L2_HSV_ENC_256		= 129,
+};
+
+/*
+ * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
+ * This depends on the colorspace.
+ */
+#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
+	(((colsp) == V4L2_COLORSPACE_REC709 || \
+	  (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
+	 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
+	  ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
+	   V4L2_YCBCR_ENC_601)))
+
+enum v4l2_quantization {
+	/*
+	 * The default for R'G'B' quantization is always full range, except
+	 * for the BT2020 colorspace. For Y'CbCr the quantization is always
+	 * limited range, except for COLORSPACE_JPEG: this is full range.
+	 */
+	V4L2_QUANTIZATION_DEFAULT     = 0,
+	V4L2_QUANTIZATION_FULL_RANGE  = 1,
+	V4L2_QUANTIZATION_LIM_RANGE   = 2,
+};
+
+/*
+ * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
+ * This depends on whether the image is RGB or not, the colorspace and the
+ * Y'CbCr encoding.
+ */
+#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
+	(((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
+	 V4L2_QUANTIZATION_LIM_RANGE : \
+	 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
+	 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
+
+enum v4l2_priority {
+	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
+	V4L2_PRIORITY_BACKGROUND  = 1,
+	V4L2_PRIORITY_INTERACTIVE = 2,
+	V4L2_PRIORITY_RECORD      = 3,
+	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
+};
+
+struct v4l2_rect {
+	__s32   left;
+	__s32   top;
+	__u32   width;
+	__u32   height;
+};
+
+struct v4l2_fract {
+	__u32   numerator;
+	__u32   denominator;
+};
+
+/**
+  * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
+  *
+  * @driver:	   name of the driver module (e.g. "bttv")
+  * @card:	   name of the card (e.g. "Hauppauge WinTV")
+  * @bus_info:	   name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
+  * @version:	   KERNEL_VERSION
+  * @capabilities: capabilities of the physical device as a whole
+  * @device_caps:  capabilities accessed via this particular device (node)
+  * @reserved:	   reserved fields for future extensions
+  */
+struct v4l2_capability {
+	__u8	driver[16];
+	__u8	card[32];
+	__u8	bus_info[32];
+	__u32   version;
+	__u32	capabilities;
+	__u32	device_caps;
+	__u32	reserved[3];
+};
+
+/* Values for 'capabilities' field */
+#define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
+#define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
+#define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
+#define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
+#define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
+#define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
+#define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
+#define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
+#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
+#define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
+#define V4L2_CAP_RDS_OUTPUT		0x00000800  /* Is an RDS encoder */
+
+/* Is a video capture device that supports multiplanar formats */
+#define V4L2_CAP_VIDEO_CAPTURE_MPLANE	0x00001000
+/* Is a video output device that supports multiplanar formats */
+#define V4L2_CAP_VIDEO_OUTPUT_MPLANE	0x00002000
+/* Is a video mem-to-mem device that supports multiplanar formats */
+#define V4L2_CAP_VIDEO_M2M_MPLANE	0x00004000
+/* Is a video mem-to-mem device */
+#define V4L2_CAP_VIDEO_M2M		0x00008000
+
+#define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
+#define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
+#define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
+#define V4L2_CAP_MODULATOR		0x00080000  /* has a modulator */
+
+#define V4L2_CAP_SDR_CAPTURE		0x00100000  /* Is a SDR capture device */
+#define V4L2_CAP_EXT_PIX_FORMAT		0x00200000  /* Supports the extended pixel format */
+#define V4L2_CAP_SDR_OUTPUT		0x00400000  /* Is a SDR output device */
+#define V4L2_CAP_META_CAPTURE		0x00800000  /* Is a metadata capture device */
+
+#define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
+#define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
+#define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
+
+#define V4L2_CAP_TOUCH                  0x10000000  /* Is a touch device */
+
+#define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
+
+/*
+ *	V I D E O   I M A G E   F O R M A T
+ */
+struct v4l2_pix_format {
+	__u32         		width;
+	__u32			height;
+	__u32			pixelformat;
+	__u32			field;		/* enum v4l2_field */
+	__u32            	bytesperline;	/* for padding, zero if unused */
+	__u32          		sizeimage;
+	__u32			colorspace;	/* enum v4l2_colorspace */
+	__u32			priv;		/* private data, depends on pixelformat */
+	__u32			flags;		/* format flags (V4L2_PIX_FMT_FLAG_*) */
+	union {
+		/* enum v4l2_ycbcr_encoding */
+		__u32			ycbcr_enc;
+		/* enum v4l2_hsv_encoding */
+		__u32			hsv_enc;
+	};
+	__u32			quantization;	/* enum v4l2_quantization */
+	__u32			xfer_func;	/* enum v4l2_xfer_func */
+};
+
+/*      Pixel format         FOURCC                          depth  Description  */
+
+/* RGB formats */
+#define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
+#define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
+#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  aaaarrrr ggggbbbb */
+#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16  xxxxrrrr ggggbbbb */
+#define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
+#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */
+#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  XRGB-1-5-5-5  */
+#define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
+#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
+#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16  ARGB-5-5-5 BE */
+#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16  XRGB-5-5-5 BE */
+#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
+#define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6	  */
+#define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
+#define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
+#define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
+#define V4L2_PIX_FMT_ABGR32  v4l2_fourcc('A', 'R', '2', '4') /* 32  BGRA-8-8-8-8  */
+#define V4L2_PIX_FMT_XBGR32  v4l2_fourcc('X', 'R', '2', '4') /* 32  BGRX-8-8-8-8  */
+#define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
+#define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
+#define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
+
+/* Grey formats */
+#define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
+#define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
+#define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
+#define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
+#define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
+#define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
+#define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
+
+/* Grey bit-packed formats */
+#define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
+
+/* Palette formats */
+#define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
+
+/* Chrominance formats */
+#define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
+
+/* Luminance+Chrominance formats */
+#define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
+#define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
+#define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
+#define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
+#define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
+#define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
+#define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
+#define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
+#define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
+
+/* two planes -- one Y, one Cr + Cb interleaved  */
+#define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
+#define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
+#define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
+#define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
+#define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
+#define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
+
+/* two non contiguous planes - one Y, one Cr + Cb interleaved  */
+#define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
+#define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
+#define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
+#define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
+#define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
+#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */
+
+/* three planes - Y Cb, Cr */
+#define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
+#define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
+#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
+#define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
+#define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
+#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
+
+/* three non contiguous planes - Y, Cb, Cr */
+#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
+#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
+#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
+#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
+#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
+#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
+
+/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
+#define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
+#define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
+#define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
+#define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
+#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
+#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
+#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
+#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
+	/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
+#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
+#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
+#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
+#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
+	/* 10bit raw bayer a-law compressed to 8 bits */
+#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
+#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
+#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
+#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
+	/* 10bit raw bayer DPCM compressed to 8 bits */
+#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
+#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
+#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
+#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
+#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
+#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
+#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
+#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
+#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
+#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
+#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
+#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
+
+/* HSV formats */
+#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
+#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
+
+/* compressed formats */
+#define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
+#define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
+#define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
+#define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
+#define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
+#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
+#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
+#define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
+#define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
+#define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
+#define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
+#define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
+#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
+#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
+#define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
+#define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
+#define V4L2_PIX_FMT_HEVC	v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC */
+
+/*  Vendor-specific formats   */
+#define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
+#define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
+#define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
+#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
+#define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
+#define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
+#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
+#define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
+#define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
+#define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
+#define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
+#define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
+#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
+#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
+#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
+#define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
+#define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
+#define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
+#define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
+#define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
+#define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
+#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
+#define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
+#define V4L2_PIX_FMT_JPGL	v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
+#define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
+#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
+#define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
+#define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
+#define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
+#define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
+#define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
+
+/* SDR formats - used only for Software Defined Radio devices */
+#define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
+#define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
+#define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
+#define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
+#define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
+#define V4L2_SDR_FMT_PCU16BE	  v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
+#define V4L2_SDR_FMT_PCU18BE	  v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
+#define V4L2_SDR_FMT_PCU20BE	  v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
+
+/* Touch formats - used for Touch devices */
+#define V4L2_TCH_FMT_DELTA_TD16	v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
+#define V4L2_TCH_FMT_DELTA_TD08	v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
+#define V4L2_TCH_FMT_TU16	v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
+#define V4L2_TCH_FMT_TU08	v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
+
+/* Meta-data formats */
+#define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
+#define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
+
+/* priv field value to indicates that subsequent fields are valid. */
+#define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe
+
+/* Flags */
+#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA	0x00000001
+
+/*
+ *	F O R M A T   E N U M E R A T I O N
+ */
+struct v4l2_fmtdesc {
+	__u32		    index;             /* Format number      */
+	__u32		    type;              /* enum v4l2_buf_type */
+	__u32               flags;
+	__u8		    description[32];   /* Description string */
+	__u32		    pixelformat;       /* Format fourcc      */
+	__u32		    reserved[4];
+};
+
+#define V4L2_FMT_FLAG_COMPRESSED 0x0001
+#define V4L2_FMT_FLAG_EMULATED   0x0002
+
+	/* Frame Size and frame rate enumeration */
+/*
+ *	F R A M E   S I Z E   E N U M E R A T I O N
+ */
+enum v4l2_frmsizetypes {
+	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
+	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
+	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
+};
+
+struct v4l2_frmsize_discrete {
+	__u32			width;		/* Frame width [pixel] */
+	__u32			height;		/* Frame height [pixel] */
+};
+
+struct v4l2_frmsize_stepwise {
+	__u32			min_width;	/* Minimum frame width [pixel] */
+	__u32			max_width;	/* Maximum frame width [pixel] */
+	__u32			step_width;	/* Frame width step size [pixel] */
+	__u32			min_height;	/* Minimum frame height [pixel] */
+	__u32			max_height;	/* Maximum frame height [pixel] */
+	__u32			step_height;	/* Frame height step size [pixel] */
+};
+
+struct v4l2_frmsizeenum {
+	__u32			index;		/* Frame size number */
+	__u32			pixel_format;	/* Pixel format */
+	__u32			type;		/* Frame size type the device supports. */
+
+	union {					/* Frame size */
+		struct v4l2_frmsize_discrete	discrete;
+		struct v4l2_frmsize_stepwise	stepwise;
+	};
+
+	__u32   reserved[2];			/* Reserved space for future use */
+};
+
+/*
+ *	F R A M E   R A T E   E N U M E R A T I O N
+ */
+enum v4l2_frmivaltypes {
+	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
+	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
+	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
+};
+
+struct v4l2_frmival_stepwise {
+	struct v4l2_fract	min;		/* Minimum frame interval [s] */
+	struct v4l2_fract	max;		/* Maximum frame interval [s] */
+	struct v4l2_fract	step;		/* Frame interval step size [s] */
+};
+
+struct v4l2_frmivalenum {
+	__u32			index;		/* Frame format index */
+	__u32			pixel_format;	/* Pixel format */
+	__u32			width;		/* Frame width */
+	__u32			height;		/* Frame height */
+	__u32			type;		/* Frame interval type the device supports. */
+
+	union {					/* Frame interval */
+		struct v4l2_fract		discrete;
+		struct v4l2_frmival_stepwise	stepwise;
+	};
+
+	__u32	reserved[2];			/* Reserved space for future use */
+};
+
+/*
+ *	T I M E C O D E
+ */
+struct v4l2_timecode {
+	__u32	type;
+	__u32	flags;
+	__u8	frames;
+	__u8	seconds;
+	__u8	minutes;
+	__u8	hours;
+	__u8	userbits[4];
+};
+
+/*  Type  */
+#define V4L2_TC_TYPE_24FPS		1
+#define V4L2_TC_TYPE_25FPS		2
+#define V4L2_TC_TYPE_30FPS		3
+#define V4L2_TC_TYPE_50FPS		4
+#define V4L2_TC_TYPE_60FPS		5
+
+/*  Flags  */
+#define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
+#define V4L2_TC_FLAG_COLORFRAME		0x0002
+#define V4L2_TC_USERBITS_field		0x000C
+#define V4L2_TC_USERBITS_USERDEFINED	0x0000
+#define V4L2_TC_USERBITS_8BITCHARS	0x0008
+/* The above is based on SMPTE timecodes */
+
+struct v4l2_jpegcompression {
+	int quality;
+
+	int  APPn;              /* Number of APP segment to be written,
+				 * must be 0..15 */
+	int  APP_len;           /* Length of data in JPEG APPn segment */
+	char APP_data[60];      /* Data in the JPEG APPn segment. */
+
+	int  COM_len;           /* Length of data in JPEG COM segment */
+	char COM_data[60];      /* Data in JPEG COM segment */
+
+	__u32 jpeg_markers;     /* Which markers should go into the JPEG
+				 * output. Unless you exactly know what
+				 * you do, leave them untouched.
+				 * Including less markers will make the
+				 * resulting code smaller, but there will
+				 * be fewer applications which can read it.
+				 * The presence of the APP and COM marker
+				 * is influenced by APP_len and COM_len
+				 * ONLY, not by this property! */
+
+#define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
+#define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
+#define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
+#define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
+#define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
+					* always use APP0 */
+};
+
+/*
+ *	M E M O R Y - M A P P I N G   B U F F E R S
+ */
+struct v4l2_requestbuffers {
+	__u32			count;
+	__u32			type;		/* enum v4l2_buf_type */
+	__u32			memory;		/* enum v4l2_memory */
+	__u32			reserved[2];
+};
+
+/**
+ * struct v4l2_plane - plane info for multi-planar buffers
+ * @bytesused:		number of bytes occupied by data in the plane (payload)
+ * @length:		size of this plane (NOT the payload) in bytes
+ * @mem_offset:		when memory in the associated struct v4l2_buffer is
+ *			V4L2_MEMORY_MMAP, equals the offset from the start of
+ *			the device memory for this plane (or is a "cookie" that
+ *			should be passed to mmap() called on the video node)
+ * @userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
+ *			pointing to this plane
+ * @fd:			when memory is V4L2_MEMORY_DMABUF, a userspace file
+ *			descriptor associated with this plane
+ * @data_offset:	offset in the plane to the start of data; usually 0,
+ *			unless there is a header in front of the data
+ *
+ * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
+ * with two planes can have one plane for Y, and another for interleaved CbCr
+ * components. Each plane can reside in a separate memory buffer, or even in
+ * a completely separate memory node (e.g. in embedded devices).
+ */
+struct v4l2_plane {
+	__u32			bytesused;
+	__u32			length;
+	union {
+		__u32		mem_offset;
+		unsigned long	userptr;
+		__s32		fd;
+	} m;
+	__u32			data_offset;
+	__u32			reserved[11];
+};
+
+/**
+ * struct v4l2_buffer - video buffer info
+ * @index:	id number of the buffer
+ * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
+ *		multiplanar buffers);
+ * @bytesused:	number of bytes occupied by data in the buffer (payload);
+ *		unused (set to 0) for multiplanar buffers
+ * @flags:	buffer informational flags
+ * @field:	enum v4l2_field; field order of the image in the buffer
+ * @timestamp:	frame timestamp
+ * @timecode:	frame timecode
+ * @sequence:	sequence count of this frame
+ * @memory:	enum v4l2_memory; the method, in which the actual video data is
+ *		passed
+ * @offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
+ *		offset from the start of the device memory for this plane,
+ *		(or a "cookie" that should be passed to mmap() as offset)
+ * @userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
+ *		a userspace pointer pointing to this buffer
+ * @fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
+ *		a userspace file descriptor associated with this buffer
+ * @planes:	for multiplanar buffers; userspace pointer to the array of plane
+ *		info structs for this buffer
+ * @length:	size in bytes of the buffer (NOT its payload) for single-plane
+ *		buffers (when type != *_MPLANE); number of elements in the
+ *		planes array for multi-plane buffers
+ *
+ * Contains data exchanged by application and driver using one of the Streaming
+ * I/O methods.
+ */
+struct v4l2_buffer {
+	__u32			index;
+	__u32			type;
+	__u32			bytesused;
+	__u32			flags;
+	__u32			field;
+	struct timeval		timestamp;
+	struct v4l2_timecode	timecode;
+	__u32			sequence;
+
+	/* memory location */
+	__u32			memory;
+	union {
+		__u32           offset;
+		unsigned long   userptr;
+		struct v4l2_plane *planes;
+		__s32		fd;
+	} m;
+	__u32			length;
+	__u32			reserved2;
+	__u32			reserved;
+};
+
+/*  Flags for 'flags' field */
+/* Buffer is mapped (flag) */
+#define V4L2_BUF_FLAG_MAPPED			0x00000001
+/* Buffer is queued for processing */
+#define V4L2_BUF_FLAG_QUEUED			0x00000002
+/* Buffer is ready */
+#define V4L2_BUF_FLAG_DONE			0x00000004
+/* Image is a keyframe (I-frame) */
+#define V4L2_BUF_FLAG_KEYFRAME			0x00000008
+/* Image is a P-frame */
+#define V4L2_BUF_FLAG_PFRAME			0x00000010
+/* Image is a B-frame */
+#define V4L2_BUF_FLAG_BFRAME			0x00000020
+/* Buffer is ready, but the data contained within is corrupted. */
+#define V4L2_BUF_FLAG_ERROR			0x00000040
+/* timecode field is valid */
+#define V4L2_BUF_FLAG_TIMECODE			0x00000100
+/* Buffer is prepared for queuing */
+#define V4L2_BUF_FLAG_PREPARED			0x00000400
+/* Cache handling flags */
+#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE	0x00000800
+#define V4L2_BUF_FLAG_NO_CACHE_CLEAN		0x00001000
+/* Timestamp type */
+#define V4L2_BUF_FLAG_TIMESTAMP_MASK		0x0000e000
+#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN		0x00000000
+#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC	0x00002000
+#define V4L2_BUF_FLAG_TIMESTAMP_COPY		0x00004000
+/* Timestamp sources. */
+#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK		0x00070000
+#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF		0x00000000
+#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE		0x00010000
+/* mem2mem encoder/decoder */
+#define V4L2_BUF_FLAG_LAST			0x00100000
+
+/**
+ * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
+ *
+ * @index:	id number of the buffer
+ * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
+ *		multiplanar buffers);
+ * @plane:	index of the plane to be exported, 0 for single plane queues
+ * @flags:	flags for newly created file, currently only O_CLOEXEC is
+ *		supported, refer to manual of open syscall for more details
+ * @fd:		file descriptor associated with DMABUF (set by driver)
+ *
+ * Contains data used for exporting a video buffer as DMABUF file descriptor.
+ * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
+ * (identical to the cookie used to mmap() the buffer to userspace). All
+ * reserved fields must be set to zero. The field reserved0 is expected to
+ * become a structure 'type' allowing an alternative layout of the structure
+ * content. Therefore this field should not be used for any other extensions.
+ */
+struct v4l2_exportbuffer {
+	__u32		type; /* enum v4l2_buf_type */
+	__u32		index;
+	__u32		plane;
+	__u32		flags;
+	__s32		fd;
+	__u32		reserved[11];
+};
+
+/*
+ *	O V E R L A Y   P R E V I E W
+ */
+struct v4l2_framebuffer {
+	__u32			capability;
+	__u32			flags;
+/* FIXME: in theory we should pass something like PCI device + memory
+ * region + offset instead of some physical address */
+	void                    *base;
+	struct {
+		__u32		width;
+		__u32		height;
+		__u32		pixelformat;
+		__u32		field;		/* enum v4l2_field */
+		__u32		bytesperline;	/* for padding, zero if unused */
+		__u32		sizeimage;
+		__u32		colorspace;	/* enum v4l2_colorspace */
+		__u32		priv;		/* reserved field, set to 0 */
+	} fmt;
+};
+/*  Flags for the 'capability' field. Read only */
+#define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
+#define V4L2_FBUF_CAP_CHROMAKEY		0x0002
+#define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
+#define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
+#define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
+#define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
+#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
+#define V4L2_FBUF_CAP_SRC_CHROMAKEY	0x0080
+/*  Flags for the 'flags' field. */
+#define V4L2_FBUF_FLAG_PRIMARY		0x0001
+#define V4L2_FBUF_FLAG_OVERLAY		0x0002
+#define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
+#define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
+#define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
+#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
+#define V4L2_FBUF_FLAG_SRC_CHROMAKEY	0x0040
+
+struct v4l2_clip {
+	struct v4l2_rect        c;
+	struct v4l2_clip	__user *next;
+};
+
+struct v4l2_window {
+	struct v4l2_rect        w;
+	__u32			field;	 /* enum v4l2_field */
+	__u32			chromakey;
+	struct v4l2_clip	__user *clips;
+	__u32			clipcount;
+	void			__user *bitmap;
+	__u8                    global_alpha;
+};
+
+/*
+ *	C A P T U R E   P A R A M E T E R S
+ */
+struct v4l2_captureparm {
+	__u32		   capability;	  /*  Supported modes */
+	__u32		   capturemode;	  /*  Current mode */
+	struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
+	__u32		   extendedmode;  /*  Driver-specific extensions */
+	__u32              readbuffers;   /*  # of buffers for read */
+	__u32		   reserved[4];
+};
+
+/*  Flags for 'capability' and 'capturemode' fields */
+#define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
+#define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
+
+struct v4l2_outputparm {
+	__u32		   capability;	 /*  Supported modes */
+	__u32		   outputmode;	 /*  Current mode */
+	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
+	__u32		   extendedmode; /*  Driver-specific extensions */
+	__u32              writebuffers; /*  # of buffers for write */
+	__u32		   reserved[4];
+};
+
+/*
+ *	I N P U T   I M A G E   C R O P P I N G
+ */
+struct v4l2_cropcap {
+	__u32			type;	/* enum v4l2_buf_type */
+	struct v4l2_rect        bounds;
+	struct v4l2_rect        defrect;
+	struct v4l2_fract       pixelaspect;
+};
+
+struct v4l2_crop {
+	__u32			type;	/* enum v4l2_buf_type */
+	struct v4l2_rect        c;
+};
+
+/**
+ * struct v4l2_selection - selection info
+ * @type:	buffer type (do not use *_MPLANE types)
+ * @target:	Selection target, used to choose one of possible rectangles;
+ *		defined in v4l2-common.h; V4L2_SEL_TGT_* .
+ * @flags:	constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
+ * @r:		coordinates of selection window
+ * @reserved:	for future use, rounds structure size to 64 bytes, set to zero
+ *
+ * Hardware may use multiple helper windows to process a video stream.
+ * The structure is used to exchange this selection areas between
+ * an application and a driver.
+ */
+struct v4l2_selection {
+	__u32			type;
+	__u32			target;
+	__u32                   flags;
+	struct v4l2_rect        r;
+	__u32                   reserved[9];
+};
+
+
+/*
+ *      A N A L O G   V I D E O   S T A N D A R D
+ */
+
+typedef __u64 v4l2_std_id;
+
+/* one bit for each */
+#define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
+#define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
+#define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
+#define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
+#define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
+#define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
+#define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
+#define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
+
+#define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
+#define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
+#define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
+#define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
+
+#define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)	/* BTSC */
+#define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)	/* EIA-J */
+#define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
+#define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)	/* FM A2 */
+
+#define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
+#define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
+#define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
+#define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
+#define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
+#define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
+#define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
+#define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
+
+/* ATSC/HDTV */
+#define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
+#define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
+
+/* FIXME:
+   Although std_id is 64 bits, there is an issue on PPC32 architecture that
+   makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
+   this value to 32 bits.
+   As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
+   it should work fine. However, if needed to add more than two standards,
+   v4l2-common.c should be fixed.
+ */
+
+/*
+ * Some macros to merge video standards in order to make live easier for the
+ * drivers and V4L2 applications
+ */
+
+/*
+ * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
+ * Missing here.
+ */
+#define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
+				 V4L2_STD_NTSC_M_JP     |\
+				 V4L2_STD_NTSC_M_KR)
+/* Secam macros */
+#define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
+				 V4L2_STD_SECAM_K	|\
+				 V4L2_STD_SECAM_K1)
+/* All Secam Standards */
+#define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
+				 V4L2_STD_SECAM_G	|\
+				 V4L2_STD_SECAM_H	|\
+				 V4L2_STD_SECAM_DK	|\
+				 V4L2_STD_SECAM_L       |\
+				 V4L2_STD_SECAM_LC)
+/* PAL macros */
+#define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
+				 V4L2_STD_PAL_B1	|\
+				 V4L2_STD_PAL_G)
+#define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
+				 V4L2_STD_PAL_D1	|\
+				 V4L2_STD_PAL_K)
+/*
+ * "Common" PAL - This macro is there to be compatible with the old
+ * V4L1 concept of "PAL": /BGDKHI.
+ * Several PAL standards are missing here: /M, /N and /Nc
+ */
+#define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
+				 V4L2_STD_PAL_DK	|\
+				 V4L2_STD_PAL_H		|\
+				 V4L2_STD_PAL_I)
+/* Chroma "agnostic" standards */
+#define V4L2_STD_B		(V4L2_STD_PAL_B		|\
+				 V4L2_STD_PAL_B1	|\
+				 V4L2_STD_SECAM_B)
+#define V4L2_STD_G		(V4L2_STD_PAL_G		|\
+				 V4L2_STD_SECAM_G)
+#define V4L2_STD_H		(V4L2_STD_PAL_H		|\
+				 V4L2_STD_SECAM_H)
+#define V4L2_STD_L		(V4L2_STD_SECAM_L	|\
+				 V4L2_STD_SECAM_LC)
+#define V4L2_STD_GH		(V4L2_STD_G		|\
+				 V4L2_STD_H)
+#define V4L2_STD_DK		(V4L2_STD_PAL_DK	|\
+				 V4L2_STD_SECAM_DK)
+#define V4L2_STD_BG		(V4L2_STD_B		|\
+				 V4L2_STD_G)
+#define V4L2_STD_MN		(V4L2_STD_PAL_M		|\
+				 V4L2_STD_PAL_N		|\
+				 V4L2_STD_PAL_Nc	|\
+				 V4L2_STD_NTSC)
+
+/* Standards where MTS/BTSC stereo could be found */
+#define V4L2_STD_MTS		(V4L2_STD_NTSC_M	|\
+				 V4L2_STD_PAL_M		|\
+				 V4L2_STD_PAL_N		|\
+				 V4L2_STD_PAL_Nc)
+
+/* Standards for Countries with 60Hz Line frequency */
+#define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
+				 V4L2_STD_PAL_60	|\
+				 V4L2_STD_NTSC		|\
+				 V4L2_STD_NTSC_443)
+/* Standards for Countries with 50Hz Line frequency */
+#define V4L2_STD_625_50		(V4L2_STD_PAL		|\
+				 V4L2_STD_PAL_N		|\
+				 V4L2_STD_PAL_Nc	|\
+				 V4L2_STD_SECAM)
+
+#define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
+				 V4L2_STD_ATSC_16_VSB)
+/* Macros with none and all analog standards */
+#define V4L2_STD_UNKNOWN        0
+#define V4L2_STD_ALL            (V4L2_STD_525_60	|\
+				 V4L2_STD_625_50)
+
+struct v4l2_standard {
+	__u32		     index;
+	v4l2_std_id          id;
+	__u8		     name[24];
+	struct v4l2_fract    frameperiod; /* Frames, not fields */
+	__u32		     framelines;
+	__u32		     reserved[4];
+};
+
+/*
+ *	D V 	B T	T I M I N G S
+ */
+
+/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
+ * @width:	total width of the active video in pixels
+ * @height:	total height of the active video in lines
+ * @interlaced:	Interlaced or progressive
+ * @polarities:	Positive or negative polarities
+ * @pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
+ * @hfrontporch:Horizontal front porch in pixels
+ * @hsync:	Horizontal Sync length in pixels
+ * @hbackporch:	Horizontal back porch in pixels
+ * @vfrontporch:Vertical front porch in lines
+ * @vsync:	Vertical Sync length in lines
+ * @vbackporch:	Vertical back porch in lines
+ * @il_vfrontporch:Vertical front porch for the even field
+ *		(aka field 2) of interlaced field formats
+ * @il_vsync:	Vertical Sync length for the even field
+ *		(aka field 2) of interlaced field formats
+ * @il_vbackporch:Vertical back porch for the even field
+ *		(aka field 2) of interlaced field formats
+ * @standards:	Standards the timing belongs to
+ * @flags:	Flags
+ * @picture_aspect: The picture aspect ratio (hor/vert).
+ * @cea861_vic:	VIC code as per the CEA-861 standard.
+ * @hdmi_vic:	VIC code as per the HDMI standard.
+ * @reserved:	Reserved fields, must be zeroed.
+ *
+ * A note regarding vertical interlaced timings: height refers to the total
+ * height of the active video frame (= two fields). The blanking timings refer
+ * to the blanking of each field. So the height of the total frame is
+ * calculated as follows:
+ *
+ * tot_height = height + vfrontporch + vsync + vbackporch +
+ *                       il_vfrontporch + il_vsync + il_vbackporch
+ *
+ * The active height of each field is height / 2.
+ */
+struct v4l2_bt_timings {
+	__u32	width;
+	__u32	height;
+	__u32	interlaced;
+	__u32	polarities;
+	__u64	pixelclock;
+	__u32	hfrontporch;
+	__u32	hsync;
+	__u32	hbackporch;
+	__u32	vfrontporch;
+	__u32	vsync;
+	__u32	vbackporch;
+	__u32	il_vfrontporch;
+	__u32	il_vsync;
+	__u32	il_vbackporch;
+	__u32	standards;
+	__u32	flags;
+	struct v4l2_fract picture_aspect;
+	__u8	cea861_vic;
+	__u8	hdmi_vic;
+	__u8	reserved[46];
+} __attribute__ ((packed));
+
+/* Interlaced or progressive format */
+#define	V4L2_DV_PROGRESSIVE	0
+#define	V4L2_DV_INTERLACED	1
+
+/* Polarities. If bit is not set, it is assumed to be negative polarity */
+#define V4L2_DV_VSYNC_POS_POL	0x00000001
+#define V4L2_DV_HSYNC_POS_POL	0x00000002
+
+/* Timings standards */
+#define V4L2_DV_BT_STD_CEA861	(1 << 0)  /* CEA-861 Digital TV Profile */
+#define V4L2_DV_BT_STD_DMT	(1 << 1)  /* VESA Discrete Monitor Timings */
+#define V4L2_DV_BT_STD_CVT	(1 << 2)  /* VESA Coordinated Video Timings */
+#define V4L2_DV_BT_STD_GTF	(1 << 3)  /* VESA Generalized Timings Formula */
+#define V4L2_DV_BT_STD_SDI	(1 << 4)  /* SDI Timings */
+
+/* Flags */
+
+/*
+ * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
+ * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
+ * intervals are reduced, allowing a higher resolution over the same
+ * bandwidth. This is a read-only flag.
+ */
+#define V4L2_DV_FL_REDUCED_BLANKING		(1 << 0)
+/*
+ * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
+ * of six. These formats can be optionally played at 1 / 1.001 speed.
+ * This is a read-only flag.
+ */
+#define V4L2_DV_FL_CAN_REDUCE_FPS		(1 << 1)
+/*
+ * CEA-861 specific: only valid for video transmitters, the flag is cleared
+ * by receivers.
+ * If the framerate of the format is a multiple of six, then the pixelclock
+ * used to set up the transmitter is divided by 1.001 to make it compatible
+ * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
+ * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
+ * such frequencies, then the flag will also be cleared.
+ */
+#define V4L2_DV_FL_REDUCED_FPS			(1 << 2)
+/*
+ * Specific to interlaced formats: if set, then field 1 is really one half-line
+ * longer and field 2 is really one half-line shorter, so each field has
+ * exactly the same number of half-lines. Whether half-lines can be detected
+ * or used depends on the hardware.
+ */
+#define V4L2_DV_FL_HALF_LINE			(1 << 3)
+/*
+ * If set, then this is a Consumer Electronics (CE) video format. Such formats
+ * differ from other formats (commonly called IT formats) in that if RGB
+ * encoding is used then by default the RGB values use limited range (i.e.
+ * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
+ * except for the 640x480 format are CE formats.
+ */
+#define V4L2_DV_FL_IS_CE_VIDEO			(1 << 4)
+/* Some formats like SMPTE-125M have an interlaced signal with a odd
+ * total height. For these formats, if this flag is set, the first
+ * field has the extra line. If not, it is the second field.
+ */
+#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE	(1 << 5)
+/*
+ * If set, then the picture_aspect field is valid. Otherwise assume that the
+ * pixels are square, so the picture aspect ratio is the same as the width to
+ * height ratio.
+ */
+#define V4L2_DV_FL_HAS_PICTURE_ASPECT		(1 << 6)
+/*
+ * If set, then the cea861_vic field is valid and contains the Video
+ * Identification Code as per the CEA-861 standard.
+ */
+#define V4L2_DV_FL_HAS_CEA861_VIC		(1 << 7)
+/*
+ * If set, then the hdmi_vic field is valid and contains the Video
+ * Identification Code as per the HDMI standard (HDMI Vendor Specific
+ * InfoFrame).
+ */
+#define V4L2_DV_FL_HAS_HDMI_VIC			(1 << 8)
+
+/* A few useful defines to calculate the total blanking and frame sizes */
+#define V4L2_DV_BT_BLANKING_WIDTH(bt) \
+	((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
+#define V4L2_DV_BT_FRAME_WIDTH(bt) \
+	((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
+#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
+	((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
+	 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
+#define V4L2_DV_BT_FRAME_HEIGHT(bt) \
+	((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
+
+/** struct v4l2_dv_timings - DV timings
+ * @type:	the type of the timings
+ * @bt:	BT656/1120 timings
+ */
+struct v4l2_dv_timings {
+	__u32 type;
+	union {
+		struct v4l2_bt_timings	bt;
+		__u32	reserved[32];
+	};
+} __attribute__ ((packed));
+
+/* Values for the type field */
+#define V4L2_DV_BT_656_1120	0	/* BT.656/1120 timing type */
+
+
+/** struct v4l2_enum_dv_timings - DV timings enumeration
+ * @index:	enumeration index
+ * @pad:	the pad number for which to enumerate timings (used with
+ *		v4l-subdev nodes only)
+ * @reserved:	must be zeroed
+ * @timings:	the timings for the given index
+ */
+struct v4l2_enum_dv_timings {
+	__u32 index;
+	__u32 pad;
+	__u32 reserved[2];
+	struct v4l2_dv_timings timings;
+};
+
+/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
+ * @min_width:		width in pixels
+ * @max_width:		width in pixels
+ * @min_height:		height in lines
+ * @max_height:		height in lines
+ * @min_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
+ * @max_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
+ * @standards:		Supported standards
+ * @capabilities:	Supported capabilities
+ * @reserved:		Must be zeroed
+ */
+struct v4l2_bt_timings_cap {
+	__u32	min_width;
+	__u32	max_width;
+	__u32	min_height;
+	__u32	max_height;
+	__u64	min_pixelclock;
+	__u64	max_pixelclock;
+	__u32	standards;
+	__u32	capabilities;
+	__u32	reserved[16];
+} __attribute__ ((packed));
+
+/* Supports interlaced formats */
+#define V4L2_DV_BT_CAP_INTERLACED	(1 << 0)
+/* Supports progressive formats */
+#define V4L2_DV_BT_CAP_PROGRESSIVE	(1 << 1)
+/* Supports CVT/GTF reduced blanking */
+#define V4L2_DV_BT_CAP_REDUCED_BLANKING	(1 << 2)
+/* Supports custom formats */
+#define V4L2_DV_BT_CAP_CUSTOM		(1 << 3)
+
+/** struct v4l2_dv_timings_cap - DV timings capabilities
+ * @type:	the type of the timings (same as in struct v4l2_dv_timings)
+ * @pad:	the pad number for which to query capabilities (used with
+ *		v4l-subdev nodes only)
+ * @bt:		the BT656/1120 timings capabilities
+ */
+struct v4l2_dv_timings_cap {
+	__u32 type;
+	__u32 pad;
+	__u32 reserved[2];
+	union {
+		struct v4l2_bt_timings_cap bt;
+		__u32 raw_data[32];
+	};
+};
+
+
+/*
+ *	V I D E O   I N P U T S
+ */
+struct v4l2_input {
+	__u32	     index;		/*  Which input */
+	__u8	     name[32];		/*  Label */
+	__u32	     type;		/*  Type of input */
+	__u32	     audioset;		/*  Associated audios (bitfield) */
+	__u32        tuner;             /*  enum v4l2_tuner_type */
+	v4l2_std_id  std;
+	__u32	     status;
+	__u32	     capabilities;
+	__u32	     reserved[3];
+};
+
+/*  Values for the 'type' field */
+#define V4L2_INPUT_TYPE_TUNER		1
+#define V4L2_INPUT_TYPE_CAMERA		2
+#define V4L2_INPUT_TYPE_TOUCH		3
+
+/* field 'status' - general */
+#define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
+#define V4L2_IN_ST_NO_SIGNAL   0x00000002
+#define V4L2_IN_ST_NO_COLOR    0x00000004
+
+/* field 'status' - sensor orientation */
+/* If sensor is mounted upside down set both bits */
+#define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
+#define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
+
+/* field 'status' - analog */
+#define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
+#define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
+#define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
+#define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
+
+/* field 'status' - digital */
+#define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
+#define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
+#define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
+
+/* field 'status' - VCR and set-top box */
+#define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
+#define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
+#define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
+
+/* capabilities flags */
+#define V4L2_IN_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
+#define V4L2_IN_CAP_CUSTOM_TIMINGS	V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
+#define V4L2_IN_CAP_STD			0x00000004 /* Supports S_STD */
+#define V4L2_IN_CAP_NATIVE_SIZE		0x00000008 /* Supports setting native size */
+
+/*
+ *	V I D E O   O U T P U T S
+ */
+struct v4l2_output {
+	__u32	     index;		/*  Which output */
+	__u8	     name[32];		/*  Label */
+	__u32	     type;		/*  Type of output */
+	__u32	     audioset;		/*  Associated audios (bitfield) */
+	__u32	     modulator;         /*  Associated modulator */
+	v4l2_std_id  std;
+	__u32	     capabilities;
+	__u32	     reserved[3];
+};
+/*  Values for the 'type' field */
+#define V4L2_OUTPUT_TYPE_MODULATOR		1
+#define V4L2_OUTPUT_TYPE_ANALOG			2
+#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
+
+/* capabilities flags */
+#define V4L2_OUT_CAP_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
+#define V4L2_OUT_CAP_CUSTOM_TIMINGS	V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
+#define V4L2_OUT_CAP_STD		0x00000004 /* Supports S_STD */
+#define V4L2_OUT_CAP_NATIVE_SIZE	0x00000008 /* Supports setting native size */
+
+/*
+ *	C O N T R O L S
+ */
+struct v4l2_control {
+	__u32		     id;
+	__s32		     value;
+};
+
+struct v4l2_ext_control {
+	__u32 id;
+	__u32 size;
+	__u32 reserved2[1];
+	union {
+		__s32 value;
+		__s64 value64;
+		char __user *string;
+		__u8 __user *p_u8;
+		__u16 __user *p_u16;
+		__u32 __user *p_u32;
+		void __user *ptr;
+	};
+} __attribute__ ((packed));
+
+struct v4l2_ext_controls {
+	union {
+#ifndef __KERNEL__
+		__u32 ctrl_class;
+#endif
+		__u32 which;
+	};
+	__u32 count;
+	__u32 error_idx;
+	__u32 reserved[2];
+	struct v4l2_ext_control *controls;
+};
+
+#define V4L2_CTRL_ID_MASK      	  (0x0fffffff)
+#ifndef __KERNEL__
+#define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
+#endif
+#define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
+#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
+#define V4L2_CTRL_MAX_DIMS	  (4)
+#define V4L2_CTRL_WHICH_CUR_VAL   0
+#define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
+
+enum v4l2_ctrl_type {
+	V4L2_CTRL_TYPE_INTEGER	     = 1,
+	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
+	V4L2_CTRL_TYPE_MENU	     = 3,
+	V4L2_CTRL_TYPE_BUTTON	     = 4,
+	V4L2_CTRL_TYPE_INTEGER64     = 5,
+	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
+	V4L2_CTRL_TYPE_STRING        = 7,
+	V4L2_CTRL_TYPE_BITMASK       = 8,
+	V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
+
+	/* Compound types are >= 0x0100 */
+	V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
+	V4L2_CTRL_TYPE_U8	     = 0x0100,
+	V4L2_CTRL_TYPE_U16	     = 0x0101,
+	V4L2_CTRL_TYPE_U32	     = 0x0102,
+};
+
+/*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
+struct v4l2_queryctrl {
+	__u32		     id;
+	__u32		     type;	/* enum v4l2_ctrl_type */
+	__u8		     name[32];	/* Whatever */
+	__s32		     minimum;	/* Note signedness */
+	__s32		     maximum;
+	__s32		     step;
+	__s32		     default_value;
+	__u32                flags;
+	__u32		     reserved[2];
+};
+
+/*  Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
+struct v4l2_query_ext_ctrl {
+	__u32		     id;
+	__u32		     type;
+	char		     name[32];
+	__s64		     minimum;
+	__s64		     maximum;
+	__u64		     step;
+	__s64		     default_value;
+	__u32                flags;
+	__u32                elem_size;
+	__u32                elems;
+	__u32                nr_of_dims;
+	__u32                dims[V4L2_CTRL_MAX_DIMS];
+	__u32		     reserved[32];
+};
+
+/*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
+struct v4l2_querymenu {
+	__u32		id;
+	__u32		index;
+	union {
+		__u8	name[32];	/* Whatever */
+		__s64	value;
+	};
+	__u32		reserved;
+} __attribute__ ((packed));
+
+/*  Control flags  */
+#define V4L2_CTRL_FLAG_DISABLED		0x0001
+#define V4L2_CTRL_FLAG_GRABBED		0x0002
+#define V4L2_CTRL_FLAG_READ_ONLY 	0x0004
+#define V4L2_CTRL_FLAG_UPDATE 		0x0008
+#define V4L2_CTRL_FLAG_INACTIVE 	0x0010
+#define V4L2_CTRL_FLAG_SLIDER 		0x0020
+#define V4L2_CTRL_FLAG_WRITE_ONLY 	0x0040
+#define V4L2_CTRL_FLAG_VOLATILE		0x0080
+#define V4L2_CTRL_FLAG_HAS_PAYLOAD	0x0100
+#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE	0x0200
+#define V4L2_CTRL_FLAG_MODIFY_LAYOUT	0x0400
+
+/*  Query flags, to be ORed with the control ID */
+#define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
+#define V4L2_CTRL_FLAG_NEXT_COMPOUND	0x40000000
+
+/*  User-class control IDs defined by V4L2 */
+#define V4L2_CID_MAX_CTRLS		1024
+/*  IDs reserved for driver specific controls */
+#define V4L2_CID_PRIVATE_BASE		0x08000000
+
+
+/*
+ *	T U N I N G
+ */
+struct v4l2_tuner {
+	__u32                   index;
+	__u8			name[32];
+	__u32			type;	/* enum v4l2_tuner_type */
+	__u32			capability;
+	__u32			rangelow;
+	__u32			rangehigh;
+	__u32			rxsubchans;
+	__u32			audmode;
+	__s32			signal;
+	__s32			afc;
+	__u32			reserved[4];
+};
+
+struct v4l2_modulator {
+	__u32			index;
+	__u8			name[32];
+	__u32			capability;
+	__u32			rangelow;
+	__u32			rangehigh;
+	__u32			txsubchans;
+	__u32			type;	/* enum v4l2_tuner_type */
+	__u32			reserved[3];
+};
+
+/*  Flags for the 'capability' field */
+#define V4L2_TUNER_CAP_LOW		0x0001
+#define V4L2_TUNER_CAP_NORM		0x0002
+#define V4L2_TUNER_CAP_HWSEEK_BOUNDED	0x0004
+#define V4L2_TUNER_CAP_HWSEEK_WRAP	0x0008
+#define V4L2_TUNER_CAP_STEREO		0x0010
+#define V4L2_TUNER_CAP_LANG2		0x0020
+#define V4L2_TUNER_CAP_SAP		0x0020
+#define V4L2_TUNER_CAP_LANG1		0x0040
+#define V4L2_TUNER_CAP_RDS		0x0080
+#define V4L2_TUNER_CAP_RDS_BLOCK_IO	0x0100
+#define V4L2_TUNER_CAP_RDS_CONTROLS	0x0200
+#define V4L2_TUNER_CAP_FREQ_BANDS	0x0400
+#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM	0x0800
+#define V4L2_TUNER_CAP_1HZ		0x1000
+
+/*  Flags for the 'rxsubchans' field */
+#define V4L2_TUNER_SUB_MONO		0x0001
+#define V4L2_TUNER_SUB_STEREO		0x0002
+#define V4L2_TUNER_SUB_LANG2		0x0004
+#define V4L2_TUNER_SUB_SAP		0x0004
+#define V4L2_TUNER_SUB_LANG1		0x0008
+#define V4L2_TUNER_SUB_RDS		0x0010
+
+/*  Values for the 'audmode' field */
+#define V4L2_TUNER_MODE_MONO		0x0000
+#define V4L2_TUNER_MODE_STEREO		0x0001
+#define V4L2_TUNER_MODE_LANG2		0x0002
+#define V4L2_TUNER_MODE_SAP		0x0002
+#define V4L2_TUNER_MODE_LANG1		0x0003
+#define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
+
+struct v4l2_frequency {
+	__u32	tuner;
+	__u32	type;	/* enum v4l2_tuner_type */
+	__u32	frequency;
+	__u32	reserved[8];
+};
+
+#define V4L2_BAND_MODULATION_VSB	(1 << 1)
+#define V4L2_BAND_MODULATION_FM		(1 << 2)
+#define V4L2_BAND_MODULATION_AM		(1 << 3)
+
+struct v4l2_frequency_band {
+	__u32	tuner;
+	__u32	type;	/* enum v4l2_tuner_type */
+	__u32	index;
+	__u32	capability;
+	__u32	rangelow;
+	__u32	rangehigh;
+	__u32	modulation;
+	__u32	reserved[9];
+};
+
+struct v4l2_hw_freq_seek {
+	__u32	tuner;
+	__u32	type;	/* enum v4l2_tuner_type */
+	__u32	seek_upward;
+	__u32	wrap_around;
+	__u32	spacing;
+	__u32	rangelow;
+	__u32	rangehigh;
+	__u32	reserved[5];
+};
+
+/*
+ *	R D S
+ */
+
+struct v4l2_rds_data {
+	__u8 	lsb;
+	__u8 	msb;
+	__u8 	block;
+} __attribute__ ((packed));
+
+#define V4L2_RDS_BLOCK_MSK 	 0x7
+#define V4L2_RDS_BLOCK_A 	 0
+#define V4L2_RDS_BLOCK_B 	 1
+#define V4L2_RDS_BLOCK_C 	 2
+#define V4L2_RDS_BLOCK_D 	 3
+#define V4L2_RDS_BLOCK_C_ALT 	 4
+#define V4L2_RDS_BLOCK_INVALID 	 7
+
+#define V4L2_RDS_BLOCK_CORRECTED 0x40
+#define V4L2_RDS_BLOCK_ERROR 	 0x80
+
+/*
+ *	A U D I O
+ */
+struct v4l2_audio {
+	__u32	index;
+	__u8	name[32];
+	__u32	capability;
+	__u32	mode;
+	__u32	reserved[2];
+};
+
+/*  Flags for the 'capability' field */
+#define V4L2_AUDCAP_STEREO		0x00001
+#define V4L2_AUDCAP_AVL			0x00002
+
+/*  Flags for the 'mode' field */
+#define V4L2_AUDMODE_AVL		0x00001
+
+struct v4l2_audioout {
+	__u32	index;
+	__u8	name[32];
+	__u32	capability;
+	__u32	mode;
+	__u32	reserved[2];
+};
+
+/*
+ *	M P E G   S E R V I C E S
+ */
+#if 1
+#define V4L2_ENC_IDX_FRAME_I    (0)
+#define V4L2_ENC_IDX_FRAME_P    (1)
+#define V4L2_ENC_IDX_FRAME_B    (2)
+#define V4L2_ENC_IDX_FRAME_MASK (0xf)
+
+struct v4l2_enc_idx_entry {
+	__u64 offset;
+	__u64 pts;
+	__u32 length;
+	__u32 flags;
+	__u32 reserved[2];
+};
+
+#define V4L2_ENC_IDX_ENTRIES (64)
+struct v4l2_enc_idx {
+	__u32 entries;
+	__u32 entries_cap;
+	__u32 reserved[4];
+	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
+};
+
+
+#define V4L2_ENC_CMD_START      (0)
+#define V4L2_ENC_CMD_STOP       (1)
+#define V4L2_ENC_CMD_PAUSE      (2)
+#define V4L2_ENC_CMD_RESUME     (3)
+
+/* Flags for V4L2_ENC_CMD_STOP */
+#define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
+
+struct v4l2_encoder_cmd {
+	__u32 cmd;
+	__u32 flags;
+	union {
+		struct {
+			__u32 data[8];
+		} raw;
+	};
+};
+
+/* Decoder commands */
+#define V4L2_DEC_CMD_START       (0)
+#define V4L2_DEC_CMD_STOP        (1)
+#define V4L2_DEC_CMD_PAUSE       (2)
+#define V4L2_DEC_CMD_RESUME      (3)
+
+/* Flags for V4L2_DEC_CMD_START */
+#define V4L2_DEC_CMD_START_MUTE_AUDIO	(1 << 0)
+
+/* Flags for V4L2_DEC_CMD_PAUSE */
+#define V4L2_DEC_CMD_PAUSE_TO_BLACK	(1 << 0)
+
+/* Flags for V4L2_DEC_CMD_STOP */
+#define V4L2_DEC_CMD_STOP_TO_BLACK	(1 << 0)
+#define V4L2_DEC_CMD_STOP_IMMEDIATELY	(1 << 1)
+
+/* Play format requirements (returned by the driver): */
+
+/* The decoder has no special format requirements */
+#define V4L2_DEC_START_FMT_NONE		(0)
+/* The decoder requires full GOPs */
+#define V4L2_DEC_START_FMT_GOP		(1)
+
+/* The structure must be zeroed before use by the application
+   This ensures it can be extended safely in the future. */
+struct v4l2_decoder_cmd {
+	__u32 cmd;
+	__u32 flags;
+	union {
+		struct {
+			__u64 pts;
+		} stop;
+
+		struct {
+			/* 0 or 1000 specifies normal speed,
+			   1 specifies forward single stepping,
+			   -1 specifies backward single stepping,
+			   >1: playback at speed/1000 of the normal speed,
+			   <-1: reverse playback at (-speed/1000) of the normal speed. */
+			__s32 speed;
+			__u32 format;
+		} start;
+
+		struct {
+			__u32 data[16];
+		} raw;
+	};
+};
+#endif
+
+
+/*
+ *	D A T A   S E R V I C E S   ( V B I )
+ *
+ *	Data services API by Michael Schimek
+ */
+
+/* Raw VBI */
+struct v4l2_vbi_format {
+	__u32	sampling_rate;		/* in 1 Hz */
+	__u32	offset;
+	__u32	samples_per_line;
+	__u32	sample_format;		/* V4L2_PIX_FMT_* */
+	__s32	start[2];
+	__u32	count[2];
+	__u32	flags;			/* V4L2_VBI_* */
+	__u32	reserved[2];		/* must be zero */
+};
+
+/*  VBI flags  */
+#define V4L2_VBI_UNSYNC		(1 << 0)
+#define V4L2_VBI_INTERLACED	(1 << 1)
+
+/* ITU-R start lines for each field */
+#define V4L2_VBI_ITU_525_F1_START (1)
+#define V4L2_VBI_ITU_525_F2_START (264)
+#define V4L2_VBI_ITU_625_F1_START (1)
+#define V4L2_VBI_ITU_625_F2_START (314)
+
+/* Sliced VBI
+ *
+ *    This implements is a proposal V4L2 API to allow SLICED VBI
+ * required for some hardware encoders. It should change without
+ * notice in the definitive implementation.
+ */
+
+struct v4l2_sliced_vbi_format {
+	__u16   service_set;
+	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
+	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
+				 (equals frame lines 313-336 for 625 line video
+				  standards, 263-286 for 525 line standards) */
+	__u16   service_lines[2][24];
+	__u32   io_size;
+	__u32   reserved[2];            /* must be zero */
+};
+
+/* Teletext World System Teletext
+   (WST), defined on ITU-R BT.653-2 */
+#define V4L2_SLICED_TELETEXT_B          (0x0001)
+/* Video Program System, defined on ETS 300 231*/
+#define V4L2_SLICED_VPS                 (0x0400)
+/* Closed Caption, defined on EIA-608 */
+#define V4L2_SLICED_CAPTION_525         (0x1000)
+/* Wide Screen System, defined on ITU-R BT1119.1 */
+#define V4L2_SLICED_WSS_625             (0x4000)
+
+#define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
+#define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
+
+struct v4l2_sliced_vbi_cap {
+	__u16   service_set;
+	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
+	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
+				 (equals frame lines 313-336 for 625 line video
+				  standards, 263-286 for 525 line standards) */
+	__u16   service_lines[2][24];
+	__u32	type;		/* enum v4l2_buf_type */
+	__u32   reserved[3];    /* must be 0 */
+};
+
+struct v4l2_sliced_vbi_data {
+	__u32   id;
+	__u32   field;          /* 0: first field, 1: second field */
+	__u32   line;           /* 1-23 */
+	__u32   reserved;       /* must be 0 */
+	__u8    data[48];
+};
+
+/*
+ * Sliced VBI data inserted into MPEG Streams
+ */
+
+/*
+ * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
+ *
+ * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
+ * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
+ * data
+ *
+ * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
+ * definitions are not included here.  See the MPEG-2 specifications for details
+ * on these headers.
+ */
+
+/* Line type IDs */
+#define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
+#define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
+#define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
+#define V4L2_MPEG_VBI_IVTV_VPS            (7)
+
+struct v4l2_mpeg_vbi_itv0_line {
+	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
+	__u8 data[42];	/* Sliced VBI data for the line */
+} __attribute__ ((packed));
+
+struct v4l2_mpeg_vbi_itv0 {
+	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
+	struct v4l2_mpeg_vbi_itv0_line line[35];
+} __attribute__ ((packed));
+
+struct v4l2_mpeg_vbi_ITV0 {
+	struct v4l2_mpeg_vbi_itv0_line line[36];
+} __attribute__ ((packed));
+
+#define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
+#define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
+
+struct v4l2_mpeg_vbi_fmt_ivtv {
+	__u8 magic[4];
+	union {
+		struct v4l2_mpeg_vbi_itv0 itv0;
+		struct v4l2_mpeg_vbi_ITV0 ITV0;
+	};
+} __attribute__ ((packed));
+
+/*
+ *	A G G R E G A T E   S T R U C T U R E S
+ */
+
+/**
+ * struct v4l2_plane_pix_format - additional, per-plane format definition
+ * @sizeimage:		maximum size in bytes required for data, for which
+ *			this plane will be used
+ * @bytesperline:	distance in bytes between the leftmost pixels in two
+ *			adjacent lines
+ */
+struct v4l2_plane_pix_format {
+	__u32		sizeimage;
+	__u32		bytesperline;
+	__u16		reserved[6];
+} __attribute__ ((packed));
+
+/**
+ * struct v4l2_pix_format_mplane - multiplanar format definition
+ * @width:		image width in pixels
+ * @height:		image height in pixels
+ * @pixelformat:	little endian four character code (fourcc)
+ * @field:		enum v4l2_field; field order (for interlaced video)
+ * @colorspace:		enum v4l2_colorspace; supplemental to pixelformat
+ * @plane_fmt:		per-plane information
+ * @num_planes:		number of planes for this format
+ * @flags:		format flags (V4L2_PIX_FMT_FLAG_*)
+ * @ycbcr_enc:		enum v4l2_ycbcr_encoding, Y'CbCr encoding
+ * @quantization:	enum v4l2_quantization, colorspace quantization
+ * @xfer_func:		enum v4l2_xfer_func, colorspace transfer function
+ */
+struct v4l2_pix_format_mplane {
+	__u32				width;
+	__u32				height;
+	__u32				pixelformat;
+	__u32				field;
+	__u32				colorspace;
+
+	struct v4l2_plane_pix_format	plane_fmt[VIDEO_MAX_PLANES];
+	__u8				num_planes;
+	__u8				flags;
+	 union {
+		__u8				ycbcr_enc;
+		__u8				hsv_enc;
+	};
+	__u8				quantization;
+	__u8				xfer_func;
+	__u8				reserved[7];
+} __attribute__ ((packed));
+
+/**
+ * struct v4l2_sdr_format - SDR format definition
+ * @pixelformat:	little endian four character code (fourcc)
+ * @buffersize:		maximum size in bytes required for data
+ */
+struct v4l2_sdr_format {
+	__u32				pixelformat;
+	__u32				buffersize;
+	__u8				reserved[24];
+} __attribute__ ((packed));
+
+/**
+ * struct v4l2_meta_format - metadata format definition
+ * @dataformat:		little endian four character code (fourcc)
+ * @buffersize:		maximum size in bytes required for data
+ */
+struct v4l2_meta_format {
+	__u32				dataformat;
+	__u32				buffersize;
+} __attribute__ ((packed));
+
+/**
+ * struct v4l2_format - stream data format
+ * @type:	enum v4l2_buf_type; type of the data stream
+ * @pix:	definition of an image format
+ * @pix_mp:	definition of a multiplanar image format
+ * @win:	definition of an overlaid image
+ * @vbi:	raw VBI capture or output parameters
+ * @sliced:	sliced VBI capture or output parameters
+ * @raw_data:	placeholder for future extensions and custom formats
+ */
+struct v4l2_format {
+	__u32	 type;
+	union {
+		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
+		struct v4l2_pix_format_mplane	pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
+		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
+		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
+		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
+		struct v4l2_sdr_format		sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
+		struct v4l2_meta_format		meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
+		__u8	raw_data[200];                   /* user-defined */
+	} fmt;
+};
+
+/*	Stream type-dependent parameters
+ */
+struct v4l2_streamparm {
+	__u32	 type;			/* enum v4l2_buf_type */
+	union {
+		struct v4l2_captureparm	capture;
+		struct v4l2_outputparm	output;
+		__u8	raw_data[200];  /* user-defined */
+	} parm;
+};
+
+/*
+ *	E V E N T S
+ */
+
+#define V4L2_EVENT_ALL				0
+#define V4L2_EVENT_VSYNC			1
+#define V4L2_EVENT_EOS				2
+#define V4L2_EVENT_CTRL				3
+#define V4L2_EVENT_FRAME_SYNC			4
+#define V4L2_EVENT_SOURCE_CHANGE		5
+#define V4L2_EVENT_MOTION_DET			6
+#define V4L2_EVENT_PRIVATE_START		0x08000000
+
+/* Payload for V4L2_EVENT_VSYNC */
+struct v4l2_event_vsync {
+	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
+	__u8 field;
+} __attribute__ ((packed));
+
+/* Payload for V4L2_EVENT_CTRL */
+#define V4L2_EVENT_CTRL_CH_VALUE		(1 << 0)
+#define V4L2_EVENT_CTRL_CH_FLAGS		(1 << 1)
+#define V4L2_EVENT_CTRL_CH_RANGE		(1 << 2)
+
+struct v4l2_event_ctrl {
+	__u32 changes;
+	__u32 type;
+	union {
+		__s32 value;
+		__s64 value64;
+	};
+	__u32 flags;
+	__s32 minimum;
+	__s32 maximum;
+	__s32 step;
+	__s32 default_value;
+};
+
+struct v4l2_event_frame_sync {
+	__u32 frame_sequence;
+};
+
+#define V4L2_EVENT_SRC_CH_RESOLUTION		(1 << 0)
+
+struct v4l2_event_src_change {
+	__u32 changes;
+};
+
+#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ	(1 << 0)
+
+/**
+ * struct v4l2_event_motion_det - motion detection event
+ * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
+ *                     frame_sequence field is valid.
+ * @frame_sequence:    the frame sequence number associated with this event.
+ * @region_mask:       which regions detected motion.
+ */
+struct v4l2_event_motion_det {
+	__u32 flags;
+	__u32 frame_sequence;
+	__u32 region_mask;
+};
+
+struct v4l2_event {
+	__u32				type;
+	union {
+		struct v4l2_event_vsync		vsync;
+		struct v4l2_event_ctrl		ctrl;
+		struct v4l2_event_frame_sync	frame_sync;
+		struct v4l2_event_src_change	src_change;
+		struct v4l2_event_motion_det	motion_det;
+		__u8				data[64];
+	} u;
+	__u32				pending;
+	__u32				sequence;
+	struct timespec			timestamp;
+	__u32				id;
+	__u32				reserved[8];
+};
+
+#define V4L2_EVENT_SUB_FL_SEND_INITIAL		(1 << 0)
+#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK	(1 << 1)
+
+struct v4l2_event_subscription {
+	__u32				type;
+	__u32				id;
+	__u32				flags;
+	__u32				reserved[5];
+};
+
+/*
+ *	A D V A N C E D   D E B U G G I N G
+ *
+ *	NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
+ *	FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
+ */
+
+/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
+
+#define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
+#define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
+
+/* The following four defines are no longer in use */
+#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
+#define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
+#define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
+#define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
+
+struct v4l2_dbg_match {
+	__u32 type; /* Match type */
+	union {     /* Match this chip, meaning determined by type */
+		__u32 addr;
+		char name[32];
+	};
+} __attribute__ ((packed));
+
+struct v4l2_dbg_register {
+	struct v4l2_dbg_match match;
+	__u32 size;	/* register size in bytes */
+	__u64 reg;
+	__u64 val;
+} __attribute__ ((packed));
+
+#define V4L2_CHIP_FL_READABLE (1 << 0)
+#define V4L2_CHIP_FL_WRITABLE (1 << 1)
+
+/* VIDIOC_DBG_G_CHIP_INFO */
+struct v4l2_dbg_chip_info {
+	struct v4l2_dbg_match match;
+	char name[32];
+	__u32 flags;
+	__u32 reserved[32];
+} __attribute__ ((packed));
+
+/**
+ * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
+ * @index:	on return, index of the first created buffer
+ * @count:	entry: number of requested buffers,
+ *		return: number of created buffers
+ * @memory:	enum v4l2_memory; buffer memory type
+ * @format:	frame format, for which buffers are requested
+ * @reserved:	future extensions
+ */
+struct v4l2_create_buffers {
+	__u32			index;
+	__u32			count;
+	__u32			memory;
+	struct v4l2_format	format;
+	__u32			reserved[8];
+};
+
+/*
+ *	I O C T L   C O D E S   F O R   V I D E O   D E V I C E S
+ *
+ */
+#define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
+#define VIDIOC_RESERVED		  _IO('V',  1)
+#define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
+#define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
+#define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
+#define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
+#define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
+#define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
+#define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
+#define VIDIOC_OVERLAY		 _IOW('V', 14, int)
+#define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
+#define VIDIOC_EXPBUF		_IOWR('V', 16, struct v4l2_exportbuffer)
+#define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
+#define VIDIOC_STREAMON		 _IOW('V', 18, int)
+#define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
+#define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
+#define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
+#define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
+#define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
+#define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
+#define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
+#define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
+#define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
+#define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
+#define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
+#define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
+#define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
+#define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
+#define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
+#define VIDIOC_G_INPUT		 _IOR('V', 38, int)
+#define VIDIOC_S_INPUT		_IOWR('V', 39, int)
+#define VIDIOC_G_EDID		_IOWR('V', 40, struct v4l2_edid)
+#define VIDIOC_S_EDID		_IOWR('V', 41, struct v4l2_edid)
+#define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
+#define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
+#define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
+#define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
+#define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
+#define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
+#define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
+#define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
+#define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
+#define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
+#define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
+#define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
+#define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
+#define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
+#define VIDIOC_QUERYSTD      	 _IOR('V', 63, v4l2_std_id)
+#define VIDIOC_TRY_FMT      	_IOWR('V', 64, struct v4l2_format)
+#define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
+#define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
+#define VIDIOC_G_PRIORITY	 _IOR('V', 67, __u32) /* enum v4l2_priority */
+#define VIDIOC_S_PRIORITY	 _IOW('V', 68, __u32) /* enum v4l2_priority */
+#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
+#define VIDIOC_LOG_STATUS         _IO('V', 70)
+#define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
+#define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
+#define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
+#define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
+#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
+#define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
+#define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
+#define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
+
+/*
+ * Experimental, meant for debugging, testing and internal use.
+ * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
+ * You must be root to use these ioctls. Never use these in applications!
+ */
+#define	VIDIOC_DBG_S_REGISTER 	 _IOW('V', 79, struct v4l2_dbg_register)
+#define	VIDIOC_DBG_G_REGISTER 	_IOWR('V', 80, struct v4l2_dbg_register)
+
+#define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
+#define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)
+#define	VIDIOC_G_DV_TIMINGS	_IOWR('V', 88, struct v4l2_dv_timings)
+#define	VIDIOC_DQEVENT		 _IOR('V', 89, struct v4l2_event)
+#define	VIDIOC_SUBSCRIBE_EVENT	 _IOW('V', 90, struct v4l2_event_subscription)
+#define	VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
+#define VIDIOC_CREATE_BUFS	_IOWR('V', 92, struct v4l2_create_buffers)
+#define VIDIOC_PREPARE_BUF	_IOWR('V', 93, struct v4l2_buffer)
+#define VIDIOC_G_SELECTION	_IOWR('V', 94, struct v4l2_selection)
+#define VIDIOC_S_SELECTION	_IOWR('V', 95, struct v4l2_selection)
+#define VIDIOC_DECODER_CMD	_IOWR('V', 96, struct v4l2_decoder_cmd)
+#define VIDIOC_TRY_DECODER_CMD	_IOWR('V', 97, struct v4l2_decoder_cmd)
+#define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
+#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
+#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
+#define VIDIOC_ENUM_FREQ_BANDS	_IOWR('V', 101, struct v4l2_frequency_band)
+
+/*
+ * Experimental, meant for debugging, testing and internal use.
+ * Never use this in applications!
+ */
+#define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
+
+#define VIDIOC_QUERY_EXT_CTRL	_IOWR('V', 103, struct v4l2_query_ext_ctrl)
+
+/* Reminder: when adding new ioctls please add support for them to
+   drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
+
+#define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
+
+#endif /* _UAPI__LINUX_VIDEODEV2_H */
diff --git a/configure b/configure
index ed94de0..650c8fb 100755
--- a/configure
+++ b/configure
@@ -10,7 +10,6 @@
 # Prevent locale nonsense from breaking basic text processing.
 LC_ALL=C
 export LC_ALL
-
 # make sure we are running under a compatible shell
 # try to make this part work with most shells
 
@@ -149,6 +148,7 @@ Component options:
   --disable-pixelutils     disable pixel utils in libavutil
 
 Individual component options:
+  --disable-v4l2_m2m       disable V4L2 mem2mem code [autodetect]
   --disable-everything     disable all components listed below
   --disable-encoder=NAME   disable encoder NAME
   --enable-encoder=NAME    enable encoder NAME
@@ -1432,6 +1432,7 @@ AVCODEC_COMPONENTS="
 
 AVDEVICE_COMPONENTS="
     indevs
+    v4l2_m2m
     outdevs
 "
 AVFILTER_COMPONENTS="
@@ -2269,11 +2270,12 @@ map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
 
 loongson2_deps="mips"
 loongson3_deps="mips"
-v4l2_deps_any="linux_videodev2_h sys_videoio_h"
+v4l2_m2m_select="v4l2"
 mipsfpu_deps="mips"
 mipsdsp_deps="mips"
 mipsdspr2_deps="mips"
 mips32r2_deps="mips"
+vc1_v4l2m2m_decoder_deps="v4l2_m2m"
 mips32r5_deps="mips"
 mips32r6_deps="mips"
 mips64r2_deps="mips"
@@ -2284,6 +2286,9 @@ mmi_deps="mips"
 altivec_deps="ppc"
 dcbzl_deps="ppc"
 ldbrx_deps="ppc"
+vp8_v4l2m2m_decoder_deps="v4l2_m2m"
+vp8_v4l2m2m_encoder_deps="v4l2_m2m"
+vp9_v4l2m2m_decoder_deps="v4l2_m2m"
 ppc4xx_deps="ppc"
 vsx_deps="altivec"
 power8_deps="vsx"
@@ -2437,15 +2442,22 @@ h261_decoder_select="mpegvideo"
 h261_encoder_select="aandcttables mpegvideoenc"
 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
+h263_v4l2m2m_decoder_deps="v4l2_m2m"
+h263_v4l2m2m_encoder_deps="v4l2_m2m"
 h263i_decoder_select="h263_decoder"
 h263p_decoder_select="h263_decoder"
 h263p_encoder_select="h263_encoder"
 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
 h264_decoder_suggest="error_resilience"
+h264_v4l2m2m_decoder_deps="v4l2_m2m"
+h264_v4l2m2m_encoder_deps="v4l2_m2m"
 hap_decoder_select="snappy texturedsp"
 hap_encoder_deps="libsnappy"
 hap_encoder_select="texturedspenc"
 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
+hevc_encoder_select="hevc_v4l2m2m"
+hevc_v4l2m2m_decoder_deps="v4l2_m2m"
+hevc_v4l2m2m_encoder_deps="v4l2_m2m"
 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
 iac_decoder_select="imc_decoder"
@@ -2482,6 +2494,7 @@ mpc7_decoder_select="bswapdsp mpegaudiodsp"
 mpc8_decoder_select="mpegaudiodsp"
 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
 mpeg_xvmc_decoder_select="mpeg2video_decoder"
+mpeg1_v4l2m2m_decoder_deps="v4l2_m2m"
 mpegvideo_decoder_select="mpegvideo"
 mpeg1video_decoder_select="mpegvideo"
 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
@@ -2489,6 +2502,8 @@ mpeg2video_decoder_select="mpegvideo"
 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
 mpeg4_encoder_select="h263_encoder"
+mpeg4_v4l2m2m_decoder_deps="v4l2_m2m"
+mpeg4_v4l2m2m_encoder_deps="v4l2_m2m"
 msa1_decoder_select="mss34dsp"
 mscc_decoder_select="zlib"
 msmpeg4v1_decoder_select="h263_decoder"
@@ -3042,7 +3057,6 @@ qtkit_indev_select="qtkit"
 sdl2_outdev_deps="sdl2"
 sndio_indev_deps="sndio"
 sndio_outdev_deps="sndio"
-v4l_indev_deps="linux_videodev_h"
 v4l2_indev_select="v4l2"
 v4l2_outdev_select="v4l2"
 vfwcap_indev_deps="vfw32 vfwcap_defines"
@@ -3592,7 +3606,7 @@ done
 enable_weak audiotoolbox
 
 # Enable hwaccels by default.
-enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
+enable_weak d3d11va dxva2 vaapi v4l2_m2m vda vdpau videotoolbox_hwaccel xvmc
 enable_weak xlib
 
 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
@@ -6058,12 +6072,10 @@ pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man
 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
 
 check_header linux/fb.h
-check_header linux/videodev.h
-check_header linux/videodev2.h
-check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
 
 check_header sys/videoio.h
 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
+add_cflags -I$source_path/compat/v4l2
 
 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 364aec9..f45050e 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -101,7 +101,8 @@ OBJS-$(CONFIG_LZF)                     += lzf.o
 OBJS-$(CONFIG_MDCT)                    += mdct_fixed.o mdct_float.o mdct_fixed_32.o
 OBJS-$(CONFIG_ME_CMP)                  += me_cmp.o
 OBJS-$(CONFIG_MEDIACODEC)              += mediacodecdec_common.o mediacodec_surface.o mediacodec_wrapper.o mediacodec_sw_buffer.o
-OBJS-$(CONFIG_V4L2)                    += v4l2-common.o
+OBJS-$(CONFIG_V4L2)                    += v4l2_fmt.o v4l2_buffers.o
+OBJS-$(CONFIG_V4L2_M2M)                += v4l2_m2m.o
 OBJS-$(CONFIG_MPEG_ER)                 += mpeg_er.o
 OBJS-$(CONFIG_MPEGAUDIO)               += mpegaudio.o
 OBJS-$(CONFIG_MPEGAUDIODSP)            += mpegaudiodsp.o                \
@@ -320,6 +321,8 @@ OBJS-$(CONFIG_H261_ENCODER)            += h261enc.o h261data.o h261.o
 OBJS-$(CONFIG_H263_DECODER)            += h263dec.o h263.o ituh263dec.o        \
                                           mpeg4video.o mpeg4videodec.o flvdec.o\
                                           intelh263dec.o h263data.o
+OBJS-$(CONFIG_H263_V4L2M2M_DECODER)    += v4l2_m2m_dec.o
+OBJS-$(CONFIG_H263_V4L2M2M_ENCODER)    += v4l2_m2m_enc.o
 OBJS-$(CONFIG_H263_ENCODER)            += mpeg4videoenc.o mpeg4video.o  \
                                           h263.o ituh263enc.o flvenc.o h263data.o
 OBJS-$(CONFIG_H264_DECODER)            += h264dec.o h264_cabac.o h264_cavlc.o \
@@ -327,6 +330,8 @@ OBJS-$(CONFIG_H264_DECODER)            += h264dec.o h264_cabac.o h264_cavlc.o \
                                           h264_mb.o h264_picture.o \
                                           h264_refs.o h264_sei.o \
                                           h264_slice.o h264data.o
+OBJS-$(CONFIG_H264_V4L2M2M_DECODER)    += v4l2_m2m_dec.o
+OBJS-$(CONFIG_H264_V4L2M2M_ENCODER)    += v4l2_m2m_enc.o
 OBJS-$(CONFIG_H264_CUVID_DECODER)      += cuvid.o
 OBJS-$(CONFIG_H264_MEDIACODEC_DECODER) += mediacodecdec.o
 OBJS-$(CONFIG_H264_MMAL_DECODER)       += mmaldec.o
@@ -346,6 +351,8 @@ OBJS-$(CONFIG_HEVC_DECODER)            += hevcdec.o hevc_mvs.o \
                                           hevcdsp.o hevc_filter.o hevc_data.o
 OBJS-$(CONFIG_HEVC_CUVID_DECODER)      += cuvid.o
 OBJS-$(CONFIG_HEVC_MEDIACODEC_DECODER) += mediacodecdec.o
+OBJS-$(CONFIG_HEVC_V4L2M2M_DECODER)    += v4l2_m2m_dec.o
+OBJS-$(CONFIG_HEVC_V4L2M2M_ENCODER)    += v4l2_m2m_enc.o
 OBJS-$(CONFIG_HEVC_NVENC_ENCODER)      += nvenc_hevc.o
 OBJS-$(CONFIG_NVENC_HEVC_ENCODER)      += nvenc_hevc.o
 OBJS-$(CONFIG_HEVC_QSV_DECODER)        += qsvdec_h2645.o
@@ -419,11 +426,13 @@ OBJS-$(CONFIG_MP3ON4FLOAT_DECODER)     += mpegaudiodec_float.o mpeg4audio.o
 OBJS-$(CONFIG_MPC7_DECODER)            += mpc7.o mpc.o
 OBJS-$(CONFIG_MPC8_DECODER)            += mpc8.o mpc.o
 OBJS-$(CONFIG_MPEGVIDEO_DECODER)       += mpeg12dec.o mpeg12.o mpeg12data.o
+OBJS-$(CONFIG_MPEG1_V4L2M2M_DECODER)   += v4l2_m2m_dec.o
 OBJS-$(CONFIG_MPEG1VIDEO_DECODER)      += mpeg12dec.o mpeg12.o mpeg12data.o
 OBJS-$(CONFIG_MPEG1VIDEO_ENCODER)      += mpeg12enc.o mpeg12.o
 OBJS-$(CONFIG_MPEG2_MMAL_DECODER)      += mmaldec.o
 OBJS-$(CONFIG_MPEG2_QSV_DECODER)       += qsvdec_other.o
 OBJS-$(CONFIG_MPEG2_QSV_ENCODER)       += qsvenc_mpeg2.o
+OBJS-$(CONFIG_MPEG2_V4L2M2M_DECODER)   += v4l2_m2m_dec.o
 OBJS-$(CONFIG_MPEG2VIDEO_DECODER)      += mpeg12dec.o mpeg12.o mpeg12data.o
 OBJS-$(CONFIG_MPEG2VIDEO_ENCODER)      += mpeg12enc.o mpeg12.o
 OBJS-$(CONFIG_MPEG2_MEDIACODEC_DECODER) += mediacodecdec.o
@@ -431,6 +440,8 @@ OBJS-$(CONFIG_MPEG2_VAAPI_ENCODER)     += vaapi_encode_mpeg2.o
 OBJS-$(CONFIG_MPEG4_DECODER)           += xvididct.o
 OBJS-$(CONFIG_MPEG4_MEDIACODEC_DECODER) += mediacodecdec.o
 OBJS-$(CONFIG_MPEG4_OMX_ENCODER)       += omx.o
+OBJS-$(CONFIG_MPEG4_V4L2M2M_DECODER)   += v4l2_m2m_dec.o
+OBJS-$(CONFIG_MPEG4_V4L2M2M_ENCODER)   += v4l2_m2m_enc.o
 OBJS-$(CONFIG_MPL2_DECODER)            += mpl2dec.o ass.o
 OBJS-$(CONFIG_MSA1_DECODER)            += mss3.o
 OBJS-$(CONFIG_MSCC_DECODER)            += mscc.o
@@ -503,6 +514,7 @@ OBJS-$(CONFIG_RALF_DECODER)            += ralf.o
 OBJS-$(CONFIG_RAWVIDEO_DECODER)        += rawdec.o
 OBJS-$(CONFIG_RAWVIDEO_ENCODER)        += rawenc.o
 OBJS-$(CONFIG_REALTEXT_DECODER)        += realtextdec.o ass.o
+OBJS-$(CONFIG_VC1_V4L2M2M_DECODER)     += v4l2_m2m_dec.o
 OBJS-$(CONFIG_RL2_DECODER)             += rl2.o
 OBJS-$(CONFIG_ROQ_DECODER)             += roqvideodec.o roqvideo.o
 OBJS-$(CONFIG_ROQ_ENCODER)             += roqvideoenc.o roqvideo.o elbg.o
@@ -518,6 +530,8 @@ OBJS-$(CONFIG_RV30_DECODER)            += rv30.o rv34.o rv30dsp.o
 OBJS-$(CONFIG_RV40_DECODER)            += rv40.o rv34.o rv40dsp.o
 OBJS-$(CONFIG_SAMI_DECODER)            += samidec.o ass.o htmlsubtitles.o
 OBJS-$(CONFIG_S302M_DECODER)           += s302m.o
+OBJS-$(CONFIG_VP8_V4L2M2M_DECODER)     += v4l2_m2m_dec.o
+OBJS-$(CONFIG_VP8_V4L2M2M_ENCODER)     += v4l2_m2m_enc.o
 OBJS-$(CONFIG_S302M_ENCODER)           += s302menc.o
 OBJS-$(CONFIG_SANM_DECODER)            += sanm.o
 OBJS-$(CONFIG_SCPR_DECODER)            += scpr.o
@@ -628,6 +642,8 @@ OBJS-$(CONFIG_VP9_DECODER)             += vp9.o vp9data.o vp9dsp.o vp9lpf.o vp9r
                                           vp9dsp_8bpp.o vp9dsp_10bpp.o vp9dsp_12bpp.o
 OBJS-$(CONFIG_VP9_CUVID_DECODER)       += cuvid.o
 OBJS-$(CONFIG_VP9_MEDIACODEC_DECODER)  += mediacodecdec.o
+OBJS-$(CONFIG_VP9_V4L2M2M_DECODER)     += v4l2_m2m_dec.o
+OBJS-$(CONFIG_VP9_V4L2M2M_ENCODER)     += v4l2_m2m_enc.o
 OBJS-$(CONFIG_VP9_VAAPI_ENCODER)       += vaapi_encode_vp9.o
 OBJS-$(CONFIG_VPLAYER_DECODER)         += textdec.o ass.o
 OBJS-$(CONFIG_VQA_DECODER)             += vqavideo.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 4712592..d154ac9 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -207,8 +207,10 @@ static void register_all(void)
     REGISTER_ENCDEC (H263,              h263);
     REGISTER_DECODER(H263I,             h263i);
     REGISTER_ENCDEC (H263P,             h263p);
+    REGISTER_ENCDEC (H263_V4L2M2M,      h263_v4l2m2m);
     REGISTER_DECODER(H264,              h264);
     REGISTER_DECODER(H264_CRYSTALHD,    h264_crystalhd);
+    REGISTER_ENCDEC (H264_V4L2M2M,      h264_v4l2m2m);
     REGISTER_DECODER(H264_MEDIACODEC,   h264_mediacodec);
     REGISTER_DECODER(H264_MMAL,         h264_mmal);
     REGISTER_DECODER(H264_QSV,          h264_qsv);
@@ -219,6 +221,7 @@ static void register_all(void)
     REGISTER_ENCDEC (HAP,               hap);
     REGISTER_DECODER(HEVC,              hevc);
     REGISTER_DECODER(HEVC_QSV,          hevc_qsv);
+    REGISTER_ENCDEC(HEVC_V4L2M2M,       hevc_v4l2m2m);
     REGISTER_DECODER(HNM4_VIDEO,        hnm4_video);
     REGISTER_DECODER(HQ_HQA,            hq_hqa);
     REGISTER_DECODER(HQX,               hqx);
@@ -253,6 +256,7 @@ static void register_all(void)
     REGISTER_ENCDEC (MPEG2VIDEO,        mpeg2video);
     REGISTER_ENCDEC (MPEG4,             mpeg4);
     REGISTER_DECODER(MPEG4_CRYSTALHD,   mpeg4_crystalhd);
+    REGISTER_ENCDEC (MPEG4_V4L2M2M,     mpeg4_v4l2m2m);
     REGISTER_DECODER(MPEG4_MMAL,        mpeg4_mmal);
 #if FF_API_VDPAU
     REGISTER_DECODER(MPEG4_VDPAU,       mpeg4_vdpau);
@@ -262,8 +266,10 @@ static void register_all(void)
     REGISTER_DECODER(MPEG_VDPAU,        mpeg_vdpau);
     REGISTER_DECODER(MPEG1_VDPAU,       mpeg1_vdpau);
 #endif
+    REGISTER_DECODER(MPEG1_V4L2M2M,     mpeg1_v4l2m2m);
     REGISTER_DECODER(MPEG2_MMAL,        mpeg2_mmal);
     REGISTER_DECODER(MPEG2_CRYSTALHD,   mpeg2_crystalhd);
+    REGISTER_DECODER(MPEG2_V4L2M2M,     mpeg2_v4l2m2m);
     REGISTER_DECODER(MPEG2_QSV,         mpeg2_qsv);
     REGISTER_DECODER(MPEG2_MEDIACODEC,  mpeg2_mediacodec);
     REGISTER_DECODER(MSA1,              msa1);
@@ -361,6 +367,7 @@ static void register_all(void)
     REGISTER_DECODER(VC1IMAGE,          vc1image);
     REGISTER_DECODER(VC1_MMAL,          vc1_mmal);
     REGISTER_DECODER(VC1_QSV,           vc1_qsv);
+    REGISTER_DECODER(VC1_V4L2M2M,       vc1_v4l2m2m);
     REGISTER_ENCODER(VC2,               vc2);
     REGISTER_DECODER(VCR1,              vcr1);
     REGISTER_DECODER(VMDVIDEO,          vmdvideo);
@@ -372,7 +379,9 @@ static void register_all(void)
     REGISTER_DECODER(VP6F,              vp6f);
     REGISTER_DECODER(VP7,               vp7);
     REGISTER_DECODER(VP8,               vp8);
+    REGISTER_ENCDEC (VP8_V4L2M2M,       vp8_v4l2m2m);
     REGISTER_DECODER(VP9,               vp9);
+    REGISTER_DECODER(VP9_V4L2M2M,       vp9_v4l2m2m);
     REGISTER_DECODER(VQA,               vqa);
     REGISTER_DECODER(BITPACKED,         bitpacked);
     REGISTER_DECODER(WEBP,              webp);
diff --git a/libavcodec/v4l2-common.c b/libavcodec/v4l2-common.c
deleted file mode 100644
index 13744fb..0000000
--- a/libavcodec/v4l2-common.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "v4l2-common.h"
-
-const struct v4l_fmt_map avpriv_v4l_fmt_conversion_table[] = {
-    //ff_fmt              codec_id              v4l2_fmt                  pack_flags
-    { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420     , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU420     , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_YUV422P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV422P    , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_YUYV422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUYV       , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_UYVY422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_UYVY       , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_YUV411P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV411P    , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV410     , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU410     , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_RGB555LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555     , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_RGB555BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555X    , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_RGB565LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565     , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_RGB565BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565X    , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_BGR24,   AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR24      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_RGB24,   AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB24      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_BGR0,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_0RGB,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_GRAY8,   AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY       , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-#ifdef V4L2_PIX_FMT_Y16
-    { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16        , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-#endif
-    { AV_PIX_FMT_NV12,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12       , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MJPEG,    V4L2_PIX_FMT_MJPEG      , FF_V4L_PACK_AVPACKET },
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MJPEG,    V4L2_PIX_FMT_JPEG       , FF_V4L_PACK_AVPACKET },
-#ifdef V4L2_PIX_FMT_H264
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_H264,     V4L2_PIX_FMT_H264       , FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_MPEG4
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MPEG4,    V4L2_PIX_FMT_MPEG4      , FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_CPIA1
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_CPIA,     V4L2_PIX_FMT_CPIA1      , FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_SRGGB8
-    { AV_PIX_FMT_BAYER_BGGR8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SBGGR8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_BAYER_GBRG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGBRG8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_BAYER_GRBG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGRBG8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-    { AV_PIX_FMT_BAYER_RGGB8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SRGGB8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
-#endif
-#ifdef V4L2_PIX_FMT_NV12M
-    { AV_PIX_FMT_NV12,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12M      , FF_V4L_PACK_AVFRAME  },
-#endif
-#ifdef V4L2_PIX_FMT_NV21M
-    { AV_PIX_FMT_NV21,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV21M      , FF_V4L_PACK_AVFRAME  },
-#endif
-#ifdef V4L2_PIX_FMT_YUV420M
-    { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420M    , FF_V4L_PACK_AVFRAME  },
-#endif
-#ifdef V4L2_PIX_FMT_NV16M
-    { AV_PIX_FMT_NV16,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV16M      , FF_V4L_PACK_AVFRAME  },
-#endif
-#ifdef V4L2_PIX_FMT_DV
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_DVVIDEO,  V4L2_PIX_FMT_DV         , FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_H263
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_H263,     V4L2_PIX_FMT_H263       , FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_MPEG1
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MPEG1VIDEO, V4L2_PIX_FMT_MPEG1    , FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_MPEG2
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MPEG2VIDEO, V4L2_PIX_FMT_MPEG2    , FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_VC1_ANNEX_G
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_VC1,      V4L2_PIX_FMT_VC1_ANNEX_G, FF_V4L_PACK_AVPACKET },
-#endif
-#ifdef V4L2_PIX_FMT_VP8
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_VP8,      V4L2_PIX_FMT_VP8        , FF_V4L_PACK_AVPACKET },
-#endif
-    { AV_PIX_FMT_NONE,    AV_CODEC_ID_NONE,     0                    },
-};
-
-uint32_t avpriv_v4l_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id, int pack_flags)
-{
-    int i;
-
-    for (i = 0; avpriv_v4l_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
-        if ((codec_id == AV_CODEC_ID_NONE ||
-             avpriv_v4l_fmt_conversion_table[i].codec_id == codec_id) &&
-            (pix_fmt == AV_PIX_FMT_NONE ||
-             avpriv_v4l_fmt_conversion_table[i].ff_fmt == pix_fmt) &&
-             (avpriv_v4l_fmt_conversion_table[i].pack_flags & pack_flags)) {
-            return avpriv_v4l_fmt_conversion_table[i].v4l2_fmt;
-        }
-    }
-
-    return 0;
-}
-
-enum AVPixelFormat avpriv_v4l_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
-{
-    int i;
-
-    for (i = 0; avpriv_v4l_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
-        if (avpriv_v4l_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt &&
-            avpriv_v4l_fmt_conversion_table[i].codec_id == codec_id) {
-            return avpriv_v4l_fmt_conversion_table[i].ff_fmt;
-        }
-    }
-
-    return AV_PIX_FMT_NONE;
-}
-
-enum AVCodecID avpriv_v4l_fmt_v4l2codec(uint32_t v4l2_fmt)
-{
-    int i;
-
-    for (i = 0; avpriv_v4l_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
-        if (avpriv_v4l_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) {
-            return avpriv_v4l_fmt_conversion_table[i].codec_id;
-        }
-    }
-
-    return AV_CODEC_ID_NONE;
-}
diff --git a/libavcodec/v4l2-common.h b/libavcodec/v4l2-common.h
deleted file mode 100644
index 346887c..0000000
--- a/libavcodec/v4l2-common.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCODEC_V4L2_COMMON_H
-#define AVCODEC_V4L2_COMMON_H
-
-#undef __STRICT_ANSI__ //workaround due to broken kernel headers
-#include "config.h"
-#if HAVE_SYS_VIDEOIO_H
-#include <sys/videoio.h>
-#else
-#if HAVE_ASM_TYPES_H
-#include <asm/types.h>
-#endif
-#include <linux/videodev2.h>
-#endif
-#include "libavutil/avassert.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/log.h"
-#include "libavutil/opt.h"
-#include "libavdevice/avdevice.h"
-#include "libavdevice/timefilter.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/pixdesc.h"
-#include "libavutil/time.h"
-#include "libavutil/avstring.h"
-#include "libavutil/pixfmt.h"
-#include "libavcodec/avcodec.h"
-
-/* for v4l_fmt_map.pack_flags */
-#define FF_V4L_PACK_AVPACKET (1 << 0)
-#define FF_V4L_PACK_AVFRAME  (1 << 1)
-
-struct v4l_fmt_map {
-    enum AVPixelFormat ff_fmt;
-    enum AVCodecID codec_id;
-    uint32_t v4l2_fmt;
-    int pack_flags;
-};
-
-extern const struct v4l_fmt_map avpriv_v4l_fmt_conversion_table[];
-
-uint32_t avpriv_v4l_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id, int pack_flags);
-enum AVPixelFormat avpriv_v4l_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id);
-enum AVCodecID avpriv_v4l_fmt_v4l2codec(uint32_t v4l2_fmt);
-
-#endif /* AVCODEC_V4L2_COMMON_H */
diff --git a/libavcodec/v4l2_buffers.c b/libavcodec/v4l2_buffers.c
new file mode 100644
index 0000000..4bae6aa
--- /dev/null
+++ b/libavcodec/v4l2_buffers.c
@@ -0,0 +1,614 @@
+/*
+ * V4L2 buffer{,pool} helper functions.
+ *
+ * Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
+ * Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <poll.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "avcodec.h"
+#include "internal.h"
+#include "v4l2_buffers.h"
+#include "v4l2_fmt.h"
+
+#define IS_BP_SUPPORTED(bp) ((bp->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) || \
+                             (bp->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)  || \
+                             (bp->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)        || \
+                             (bp->type == V4L2_BUF_TYPE_VIDEO_OUTPUT))
+enum V4LBuffer_status {
+    V4LBUF_AVAILABLE,
+    V4LBUF_IN_DRIVER,
+    V4LBUF_RET_USER,
+};
+
+struct V4LBuffer {
+    AVBufferRef *bufrefs[VIDEO_MAX_PLANES];
+    struct V4LBufferPool *pool;
+    struct v4l2_plane planes[VIDEO_MAX_PLANES];
+    struct v4l2_buffer buf;
+
+    void * mm_addr[VIDEO_MAX_PLANES];
+    size_t lengths[VIDEO_MAX_PLANES];
+    enum V4LBuffer_status status;
+    int bytesperline[4];
+    int num_planes;
+    int num_lines;
+    int index;
+    int flags;
+    struct timeval timestamp;
+    int ref_cnt;
+};
+
+static inline void set_pts(V4LBuffer *out, int64_t pts)
+{
+    if (pts == AV_NOPTS_VALUE) {
+        out->timestamp.tv_sec  = 0;
+        out->timestamp.tv_usec = 0;
+    } else {
+        out->timestamp.tv_sec  = pts / INT64_C(1000000);
+        out->timestamp.tv_usec = pts % INT64_C(1000000);
+    }
+}
+
+static inline uint64_t get_pts(V4LBuffer *avbuf)
+{
+    if (avbuf->buf.timestamp.tv_sec || avbuf->buf.timestamp.tv_usec)
+        return (avbuf->buf.timestamp.tv_sec * INT64_C(1000000) + avbuf->buf.timestamp.tv_usec);
+
+    return AV_NOPTS_VALUE;
+}
+
+static int enqueue_v4lbuf(V4LBuffer* avbuf)
+{
+    int ret;
+
+    memset(&avbuf->buf, 0, sizeof(avbuf->buf));
+    avbuf->buf.memory = avbuf->pool->memory;
+    avbuf->buf.type = avbuf->pool->type;
+    avbuf->buf.index = avbuf->index;
+
+    if (V4L2_TYPE_IS_MULTIPLANAR(avbuf->pool->type)) {
+        avbuf->buf.length   = avbuf->num_planes;
+        avbuf->buf.m.planes = avbuf->planes;
+    } else {
+        avbuf->buf.bytesused = avbuf->planes[avbuf->index].bytesused;
+        avbuf->buf.m.userptr = avbuf->planes[avbuf->index].m.userptr;
+        avbuf->buf.length    = avbuf->planes[avbuf->index].length;
+    }
+
+    avbuf->buf.flags = avbuf->pool->default_flags | avbuf->flags;
+    avbuf->buf.timestamp = avbuf->timestamp;
+
+    ret = ioctl(avbuf->pool->fd, VIDIOC_QBUF, &avbuf->buf);
+    if (ret < 0)
+        return AVERROR(errno);
+
+    avbuf->status = V4LBUF_IN_DRIVER;
+    avbuf->pool->num_queued++;
+
+    return 0;
+}
+
+static V4LBuffer* dequeue_v4lbuf(V4LBufferPool *bp, unsigned int timeout)
+{
+    struct v4l2_plane planes[VIDEO_MAX_PLANES];
+    struct v4l2_buffer buf = { 0 };
+    V4LBuffer* avbuf = NULL;
+    struct pollfd pfd;
+    int ret;
+    int i;
+
+    if (bp->num_queued < bp->min_queued_buffers)
+        return NULL;
+
+    pfd.fd = bp->fd;
+    switch (bp->type) {
+    case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+    case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+        pfd.events = POLLIN | POLLERR;
+        break;
+    case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+    case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+        pfd.events = POLLOUT | POLLERR | POLLWRNORM;
+        break;
+    default:
+        pfd.events = POLLIN | POLLERR | POLLRDNORM;
+    }
+
+    ret = poll(&pfd, 1, timeout);
+    if (ret <=  0)
+        return NULL;
+
+    memset(&buf, 0, sizeof(buf));
+    buf.memory = bp->memory;
+    buf.type = bp->type;
+    if (V4L2_TYPE_IS_MULTIPLANAR(bp->type)) {
+        memset(planes, 0, sizeof(planes));
+        buf.length = VIDEO_MAX_PLANES;
+        buf.m.planes = planes;
+    }
+    ret = ioctl(bp->fd, VIDIOC_DQBUF, &buf);
+    if (ret) {
+        if (errno != EAGAIN && errno != EINVAL) {
+            av_log(bp->log_ctx, AV_LOG_DEBUG, "%s: VIDIOC_DQBUF, errno (%d)\n", bp->name, errno);
+            bp->broken = errno;
+        }
+        return NULL;
+    }
+
+    avbuf = &(bp->buffers[buf.index]);
+    avbuf->status = V4LBUF_AVAILABLE;
+    avbuf->pool->num_queued--;
+    avbuf->buf = buf;
+    if (V4L2_TYPE_IS_MULTIPLANAR(bp->type)) {
+        memcpy(avbuf->planes, planes, sizeof(planes));
+        avbuf->buf.m.planes = avbuf->planes;
+    }
+
+    if (!V4L2_TYPE_IS_OUTPUT(avbuf->pool->type))
+        return avbuf;
+
+    for (i = 0; i < avbuf->num_planes; i++) {
+        if (avbuf->bufrefs[i])
+            av_buffer_unref(&avbuf->bufrefs[i]);
+    }
+
+    return avbuf;
+}
+
+static void buffer_callback(void *opaque, uint8_t *unused)
+{
+    V4LBuffer* avbuf = opaque;
+
+    if (--avbuf->ref_cnt > 0)
+        return;
+
+    if (V4LBUF_IN_DRIVER == avbuf->status)
+        return;
+
+    if (!V4L2_TYPE_IS_OUTPUT(avbuf->pool->type)) {
+        enqueue_v4lbuf(avbuf);
+    } else {
+        avbuf->status = V4LBUF_AVAILABLE;
+    }
+}
+
+static inline int init_buffer(V4LBuffer* avbuf)
+{
+    int ret, i;
+
+    avbuf->buf.memory = avbuf->pool->memory;
+    avbuf->buf.type = avbuf->pool->type;
+    avbuf->buf.index = avbuf->index;
+
+    if (V4L2_TYPE_IS_MULTIPLANAR(avbuf->pool->type)) {
+        avbuf->buf.length = VIDEO_MAX_PLANES;
+        avbuf->buf.m.planes = avbuf->planes;
+    }
+
+    ret = ioctl(avbuf->pool->fd, VIDIOC_QUERYBUF, &avbuf->buf);
+    if (ret < 0)
+        return AVERROR(errno);
+
+    if (V4L2_TYPE_IS_MULTIPLANAR(avbuf->pool->type)) {
+        avbuf->num_planes = 0;
+        for (;;) {
+            if (avbuf->num_planes >= avbuf->buf.length)
+                break;
+            if (avbuf->buf.m.planes[avbuf->num_planes].length)
+                avbuf->num_planes++;
+        }
+    } else
+        avbuf->num_planes = 1;
+
+    avbuf->num_lines = avbuf->pool->format.fmt.pix_mp.height;
+
+    for (i = 0; i < avbuf->num_planes; i++) {
+
+        avbuf->bytesperline[i] = V4L2_TYPE_IS_MULTIPLANAR(avbuf->pool->type) ?
+            avbuf->pool->format.fmt.pix_mp.plane_fmt[i].bytesperline :
+            avbuf->pool->format.fmt.pix.bytesperline;
+
+        switch (avbuf->pool->memory) {
+        case V4L2_MEMORY_MMAP:
+            if (V4L2_TYPE_IS_MULTIPLANAR(avbuf->pool->type)) {
+                avbuf->lengths[i] = avbuf->buf.m.planes[i].length;
+                avbuf->mm_addr[i] = mmap(NULL, avbuf->buf.m.planes[i].length,
+                                         PROT_READ | PROT_WRITE, MAP_SHARED,
+                                         avbuf->pool->fd, avbuf->buf.m.planes[i].m.mem_offset);
+            } else {
+                avbuf->lengths[i] = avbuf->buf.length;
+                avbuf->mm_addr[i] = mmap(NULL, avbuf->buf.length,
+                                         PROT_READ | PROT_WRITE, MAP_SHARED,
+                                         avbuf->pool->fd, avbuf->buf.m.offset);
+            }
+            if (avbuf->mm_addr[i] == MAP_FAILED)
+                return AVERROR(ENOMEM);
+            break;
+
+        case V4L2_MEMORY_USERPTR:
+            break;
+
+        default:
+            av_log(avbuf->pool->log_ctx, AV_LOG_ERROR, "memory type %i not supported\n", avbuf->pool->memory);
+            return AVERROR_PATCHWELCOME;
+        }
+    }
+    avbuf->status = V4LBUF_AVAILABLE;
+
+    if (V4L2_TYPE_IS_OUTPUT(avbuf->pool->type))
+        return 0;
+
+    if (avbuf->pool->memory != V4L2_MEMORY_USERPTR)
+        return enqueue_v4lbuf(avbuf);
+
+    return 0;
+}
+
+int avpriv_init_v4lbufpool(V4LBufferPool* bufs)
+{
+    struct v4l2_requestbuffers req;
+    int ret, i;
+
+    if (!IS_BP_SUPPORTED(bufs)) {
+        av_log(bufs->log_ctx, AV_LOG_ERROR, "type %i not supported\n", bufs->type);
+        return AVERROR_PATCHWELCOME;
+    }
+
+    memset(&req, 0, sizeof(req));
+    req.count = bufs->num_buffers + bufs->min_queued_buffers;
+    req.memory = bufs->memory;
+    req.type = bufs->type;
+    ret = ioctl(bufs->fd, VIDIOC_REQBUFS, &req);
+    if (ret< 0)
+        return AVERROR(errno);
+
+    bufs->num_buffers = req.count;
+    bufs->num_queued  = 0;
+    bufs->buffers = av_mallocz(bufs->num_buffers * sizeof(V4LBuffer));
+
+    for (i = 0; i < req.count; i++) {
+        V4LBuffer *avbuf = &bufs->buffers[i];
+        avbuf->pool = bufs;
+        avbuf->index = i;
+
+        ret = init_buffer(avbuf);
+        if (ret < 0) {
+            av_log(bufs->log_ctx, AV_LOG_ERROR, "%s buffer initialization (%s)\n", bufs->name, av_err2str(ret));
+            return ret;
+        }
+    }
+
+    return 0;
+}
+
+static void release_buf(V4LBuffer* b)
+{
+    int i;
+
+    for (i = 0; i < b->num_planes; i++) {
+        if (b->mm_addr[i] && b->lengths[i]) {
+            munmap(b->mm_addr[i], b->lengths[i]);
+        }
+    }
+}
+
+void avpriv_release_buffer_pool(V4LBufferPool* bp)
+{
+    int i;
+
+    if (!bp->buffers)
+        return;
+
+    for (i = 0; i < bp->num_buffers; i++) {
+        release_buf(&bp->buffers[i]);
+    }
+
+    av_free(bp->buffers);
+}
+
+static int buf2v4l(V4LBuffer *out, int plane, const uint8_t* data, int size, AVBufferRef* bref)
+{
+    if (plane >= out->num_planes)
+        return AVERROR(EINVAL);
+
+    switch (out->pool->memory) {
+    case V4L2_MEMORY_MMAP:
+            memcpy(out->mm_addr[plane], data, FFMIN(size, out->lengths[plane]));
+            break;
+    case V4L2_MEMORY_USERPTR:
+        if (!bref) {
+            av_log(out->pool->log_ctx, AV_LOG_ERROR,
+                   "needs to be set with an AVBufferRef for USERPTR memory type\n");
+            return AVERROR_PATCHWELCOME;
+        }
+        if (out->bufrefs[plane]) {
+            av_log(out->pool->log_ctx, AV_LOG_WARNING,
+                   "V4L buffer already had a buffer referenced\n");
+            av_buffer_unref(&out->bufrefs[plane]);
+        }
+
+        out->bufrefs[plane] = av_buffer_ref(bref);
+        if (!out->bufrefs[plane])
+            return AVERROR(ENOMEM);
+
+        out->planes[plane].m.userptr = (unsigned long)out->bufrefs[plane]->data;
+        out->lengths[plane] = out->bufrefs[plane]->size;
+        break;
+    default:
+        av_log(out->pool->log_ctx, AV_LOG_ERROR,
+               "memory type %i not supported", out->pool->memory);
+        return AVERROR_PATCHWELCOME;
+    }
+
+    out->planes[plane].bytesused = FFMIN(size ? size : 1, out->lengths[plane]);
+    out->planes[plane].length = out->lengths[plane];
+
+    return 0;
+}
+
+static int avpkt_to_v4lbuf(const AVPacket *pkt, V4LBuffer *out) {
+    int ret;
+
+    ret = buf2v4l(out, 0, pkt->data, pkt->size, pkt->buf);
+    if (ret)
+        return ret;
+
+    set_pts(out, pkt->pts);
+
+    if (pkt->flags & AV_PKT_FLAG_KEY)
+        out->flags = V4L2_BUF_FLAG_KEYFRAME;
+
+    if (!pkt->size)
+        out->flags |= V4L2_BUF_FLAG_LAST;
+
+    return 0;
+}
+
+static inline int v4l2bufref(V4LBuffer *in, int plane, AVBufferRef **buf)
+{
+    if (plane >= in->num_planes)
+        return AVERROR(EINVAL);
+
+    switch (in->pool->memory) {
+    case V4L2_MEMORY_MMAP:
+        *buf = av_buffer_create(in->mm_addr[plane], in->lengths[plane], buffer_callback, in, 0);
+        if (!*buf)
+            return AVERROR(ENOMEM);
+
+        in->status = V4LBUF_RET_USER;
+        in->ref_cnt++;
+        break;
+    case V4L2_MEMORY_USERPTR:
+        if (!in->bufrefs[plane]) {
+            av_log(in->pool->log_ctx, AV_LOG_ERROR, "AVBufferRef not found\n");
+            return AVERROR(EINVAL);
+        }
+
+        *buf = av_buffer_ref(in->bufrefs[plane]);
+        if (!*buf)
+            return AVERROR(ENOMEM);
+
+        av_buffer_unref(&in->bufrefs[plane]);
+        in->status = V4LBUF_AVAILABLE;
+        break;
+    default:
+        av_log(in->pool->log_ctx, AV_LOG_ERROR, "memory type %i not supported", in->pool->memory);
+        return AVERROR_PATCHWELCOME;
+    }
+    return 0;
+}
+
+static int v4lbuf_to_avpkt(AVPacket *pkt, V4LBuffer *avbuf)
+{
+    int ret;
+
+    av_packet_unref(pkt);
+    if (ret = v4l2bufref(avbuf, 0, &pkt->buf))
+        return ret;
+
+    pkt->size = V4L2_TYPE_IS_MULTIPLANAR(avbuf->pool->type) ? avbuf->buf.m.planes[0].bytesused : avbuf->buf.bytesused;
+    pkt->data = pkt->buf->data;
+
+    if (avbuf->buf.flags & V4L2_BUF_FLAG_KEYFRAME)
+        pkt->flags |= AV_PKT_FLAG_KEY;
+
+    if (avbuf->buf.flags & V4L2_BUF_FLAG_ERROR) {
+        av_log(avbuf->pool->log_ctx, AV_LOG_ERROR, "V4L2 packet decode error\n");
+        pkt->flags |= AV_PKT_FLAG_CORRUPT;
+    }
+
+    pkt->pts = get_pts(avbuf);
+
+    return 0;
+}
+
+static int v4lbuf_to_avframe(AVFrame *frame, V4LBuffer *avbuf)
+{
+    int i, ret;
+
+    av_frame_unref(frame);
+
+    for (i = 0; i < avbuf->num_planes; i++) {
+        ret = v4l2bufref(avbuf, i, &frame->buf[i]);
+        if (ret)
+            return ret;
+
+        frame->linesize[i] = avbuf->bytesperline[i];
+        frame->data[i] = frame->buf[i]->data;
+
+        if (avbuf->num_planes == 1) {
+            if (avbuf->pool->av_pix_fmt == AV_PIX_FMT_NV12) {
+                frame->linesize[1] = avbuf->bytesperline[0];
+                frame->data[1] = frame->buf[0]->data + avbuf->bytesperline[0] * avbuf->num_lines;
+            }
+        }
+    }
+
+    frame->key_frame = !!(avbuf->buf.flags & V4L2_BUF_FLAG_KEYFRAME);
+    frame->format = avbuf->pool->av_pix_fmt;
+    frame->height = avbuf->pool->height;
+    frame->width = avbuf->pool->width;
+    frame->pts = get_pts(avbuf);
+
+    if (avbuf->buf.flags & V4L2_BUF_FLAG_ERROR) {
+        av_log(avbuf->pool->log_ctx, AV_LOG_ERROR, "V4L2 buffer decode error\n");
+        frame->decode_error_flags |= FF_DECODE_ERROR_INVALID_BITSTREAM;
+    }
+
+    return 0;
+}
+
+static int avframe_to_v4lbuf(const AVFrame *pict, V4LBuffer* out)
+{
+    int i, ret;
+
+    for(i = 0; i < out->num_planes; i++) {
+        ret = buf2v4l(out, i, pict->buf[i]->data, pict->buf[i]->size, pict->buf[i]);
+        if (ret)
+            return ret;
+    }
+
+    set_pts(out, pict->pts);
+
+    return 0;
+}
+
+static V4LBuffer* v4lbufpool_get_from_avframe(const AVFrame* frame, V4LBufferPool *p)
+{
+    int i;
+
+    for (i = 0; i < p->num_buffers; i++) {
+
+        if (V4LBUF_RET_USER != p->buffers[i].status)
+            continue;
+
+        if (p->memory != V4L2_MEMORY_MMAP) {
+            av_log(p->log_ctx, AV_LOG_ERROR, "memory type %i not supported\n", p->memory);
+            return NULL;
+        }
+
+        if (p->buffers[i].mm_addr[0] == frame->buf[0]->data)
+            return &p->buffers[i];
+    }
+
+    return NULL;
+}
+
+V4LBuffer* avpriv_v4lbufpool_getfreebuf(V4LBufferPool *p, const AVFrame *f, const AVPacket* pkt)
+{
+    V4LBuffer* ret;
+    unsigned int timeout = 0;
+    int i;
+
+    if (V4L2_TYPE_IS_OUTPUT(p->type)) {
+          do {
+          } while (dequeue_v4lbuf(p, timeout));
+    }
+
+    if (f) {
+        ret = v4lbufpool_get_from_avframe(f, p);
+        if (ret)
+            return ret;
+    }
+
+    for (i = 0; i < p->num_buffers; i++) {
+        if (p->buffers[i].status == V4LBUF_AVAILABLE)
+            return &p->buffers[i];
+    }
+
+    return NULL;
+}
+
+int avpriv_set_stream_status(V4LBufferPool* bp, int cmd)
+{
+    int type = bp->type;
+    int ret;
+
+    ret = ioctl(bp->fd, cmd, &type);
+    if (ret < 0)
+        return AVERROR(errno);
+
+    bp->streamon = (cmd == VIDIOC_STREAMON);
+
+    return 0;
+}
+
+int avpriv_v4l_enqueue(V4LBufferPool* bp, const AVFrame* f, const AVPacket* pkt)
+{
+    V4LBuffer* avbuf;
+    int ret;
+
+    if (!f && !pkt) {
+        av_log(bp->log_ctx, AV_LOG_ERROR, "either AVFrame* or AVPacket*must valid\n");
+        return AVERROR_BUG;
+    }
+
+    avbuf = avpriv_v4lbufpool_getfreebuf(bp, f, pkt);
+    if (!avbuf)
+        return AVERROR(ENOMEM);
+
+    if (pkt) {
+        ret = avpkt_to_v4lbuf(pkt, avbuf);
+        if (ret)
+            return ret;
+    }
+
+    if (f) {
+        ret = avframe_to_v4lbuf(f, avbuf);
+        if (ret)
+            return ret;
+    }
+
+    ret = enqueue_v4lbuf(avbuf);
+    if (ret)
+        return ret;
+
+    return 0;
+}
+
+int avpriv_v4l_dequeue(V4LBufferPool* bp, AVFrame* f, AVPacket* pkt, unsigned int timeout)
+{
+    V4LBuffer* avbuf = NULL;
+
+    if (!f && !pkt) {
+        av_log(bp->log_ctx, AV_LOG_ERROR, "either AVFrame* or AVPacket* must be valid\n");
+        return AVERROR_BUG;
+    }
+
+    avbuf = dequeue_v4lbuf(bp, timeout);
+    if (!avbuf) {
+        if (bp->broken)
+            return AVERROR_EOF;
+
+        return AVERROR(EAGAIN);
+    }
+
+    if (f)
+        return v4lbuf_to_avframe(f, avbuf);
+
+    if (pkt)
+        return v4lbuf_to_avpkt(pkt, avbuf);
+
+    return AVERROR_BUG;
+}
diff --git a/libavcodec/v4l2_buffers.h b/libavcodec/v4l2_buffers.h
new file mode 100644
index 0000000..e3a4173
--- /dev/null
+++ b/libavcodec/v4l2_buffers.h
@@ -0,0 +1,226 @@
+/*
+ * V4L2 buffer{,pool} helper functions.
+ *
+ * Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
+ * Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_V4L2_BUFFERS_H
+#define AVCODEC_V4L2_BUFFERS_H
+
+#include "v4l2_fmt.h"
+#include "avcodec.h"
+#include "libavutil/pixfmt.h"
+#include "libavutil/frame.h"
+
+struct V4LBuffer;
+typedef struct V4LBuffer V4LBuffer;
+
+struct V4LBufferPool;
+typedef int (*format_f)(struct V4LBufferPool *, int set);
+typedef int (*init_f)(struct V4LBufferPool *);
+
+typedef struct V4LBufferPoolCfg {
+    format_f format;
+    init_f init;
+} V4LBufferPoolCfg;
+
+typedef struct V4LBufferPool {
+    /**
+     * Buffer pool initial configuration.
+     */
+    V4LBufferPoolCfg cfg;
+
+    /**
+     * Log context (for av_log()). Can be NULL.
+     */
+    void *log_ctx;
+
+    /**
+     * Pool's name. Must be set before calling avpriv_init_v4lbufpool().
+     */
+    const char* name;
+
+    /**
+     * File descriptor obtained from opening the associated device.
+     * Must be set before calling avpriv_init_v4lbufpool().
+     * Readonly after init.
+     */
+    int fd;
+
+    /**
+     * Type of this buffer pool.
+     * See V4L2_BUF_TYPE_VIDEO_* in videodev2.h
+     * Must be set before calling avpriv_init_v4lbufpool().
+     * Readonly after init.
+     */
+    enum v4l2_buf_type type;
+
+    /**
+     * Memory type this buffer pool uses.
+     * See V4L2_MEMORY_* in videodev2.h
+     * Must be set before calling avpriv_init_v4lbufpool().
+     * Readonly after init.
+     */
+    enum v4l2_memory memory;
+
+    /**
+     * AVPixelFormat corresponding to this buffer pool.
+     * AV_PIX_FMT_NONE means this is an encoded stream.
+     */
+    enum AVPixelFormat av_pix_fmt;
+
+    /**
+     * AVCodecID corresponding to this buffer pool.
+     * AV_CODEC_ID_RAWVIDEO means this is a raw stream and av_pix_fmt must be set to a valid value.
+     */
+    enum AVCodecID   av_codec_id;
+
+    /**
+     * Format returned by the driver after initializing the buffer pool.
+     * Must be set before calling avpriv_init_v4lbufpool().
+     * avpriv_set_pool_format() can set it.
+     * Readonly after init.
+     */
+    struct v4l2_format format;
+
+    /**
+     * Width and height of the frames it produces (in case of a capture pool, e.g. when decoding)
+     * or accepts (in case of an output pool, e.g. when encoding).
+     *
+     * For output pools, this must must be set before calling avpriv_init_v4lbufpool().
+     * For capture pools, it will be set after having received the information from the driver.
+     */
+    int width, height;
+
+    /**
+     * Default flags to set on buffers to enqueue.
+     * See V4L2_BUF_FLAG_*.
+     */
+    int default_flags;
+
+    /**
+     * Whether the stream has been started (VIDIOC_STREAMON has been sent).
+     */
+    int streamon;
+
+    /**
+     * Number of queued buffers.
+     */
+    int num_queued;
+
+    /**
+     * Minimum number of buffers that must be kept queued in this queue.
+     *
+     * E.g. for decoders, the drivers might have such requirements to produce proper output.
+     */
+    int min_queued_buffers;
+
+    /**
+     * The actual number of buffers.
+     *
+     * Before calling avpriv_init_v4lbufpool() this is the number of buffers we would like to have available.
+     * avpriv_init_v4lbufpool() asks for (min_buffers + num_buffers) and sets this value to the actual number
+     * of buffers the driver gave us.
+     * Readonly after init.
+     */
+    int num_buffers;
+
+    /**
+     * Opaque pointers to the actual buffers representations.
+     * After initialization, it is an array of size num_buffers.
+     */
+    V4LBuffer *buffers;
+
+    /**
+     * Pool in unrecoverable error notified by the V4L2 kernel api
+     */
+    int broken;
+
+} V4LBufferPool;
+
+/**
+ * Initializes a V4LBufferPool.
+ *
+ * @param[in] bp A pointer to a V4LBufferPool. See V4LBufferPool description for required variables.
+ * @return 0 in case of success, a negative value representing the error otherwise.
+ */
+int avpriv_init_v4lbufpool(V4LBufferPool* bp);
+
+/**
+ * Releases a V4LBufferPool.
+ *
+ * @param[in] bp A pointer to a V4LBufferPool.
+ *               The caller is reponsible for freeing it.
+ *               It must not be used after calling this function.
+ */
+void avpriv_release_buffer_pool(V4LBufferPool* bp);
+
+/**
+ * Sets the status of a V4LBufferPool.
+ *
+ * @param[in] bp A pointer to a V4LBufferPool.
+ * @param[in] cmd The status to set (VIDIOC_STREAMON or VIDIOC_STREAMOFF).
+ *                Warning: If VIDIOC_STREAMOFF is sent to a buffer pool that still has some frames buffered,
+ *                those frames will be dropped.
+ * @return 0 in case of success, a negative value representing the error otherwise.
+ */
+int avpriv_set_stream_status(V4LBufferPool* bp, int cmd);
+
+/**
+ * Dequeues a buffer from a V4LBufferPool to either an AVFrame or an AVPacket.
+ *
+ * Exactly one of f or pkt must be non NULL.
+ * @param[in] bp The V4LBufferPool to dequeue from.
+ * @param[inout] f The AVFrame to dequeue to.
+ * @param[inout] pkt The AVPacket to dequeue to.
+ * @param[ino] timeout The number of milliseconds to wait for the dequeue.
+ * @return 0 in case of success, AVERROR(EAGAIN) if no buffer was ready, another negative error in case of error.
+ */
+int avpriv_v4l_dequeue(V4LBufferPool* bp, AVFrame* f, AVPacket* pkt, unsigned int timeout);
+
+/**
+ * Enqueues a buffer to a V4LBufferPool from either an AVFrame, an AVPacket or a raw buffer.
+ * Exactly one of f or pkt  must be non NULL.
+ *
+ * @param[in] bp The V4LBufferPool to enqueue to.
+ * @param[in] f A pointer to an AVFrame to enqueue.
+ * @param[in] pkt A pointer to an AVPacket to enqueue.
+ * @return 0 in case of success, a negative error otherwise.
+ */
+int avpriv_v4l_enqueue(V4LBufferPool* bp, const AVFrame* f, const AVPacket* pkt);
+
+/**
+ * Gets a free V4LBuffer from a V4LBufferPool.
+ *
+ * If no matching buffer is found (see below), it tries to dequeue a buffer first
+ * in order to minimize the size of the V4L queue.e
+ *
+ * @param[in] p Pointer to a V4LBufferPool where to get the buffer from.
+ * @param[in] f A pointer to an existing AVFrame:
+ *              If the AVFrame's buffers match a V4LBuffer, this V4LBuffer will be returned.
+ *              Can be NULL.
+ * @param[in] pkt A pointer to an existing AVPacket:
+ *                If the AVPacket's buffers match a V4LBuffer, this V4LBuffer will be returned.
+ *                Can be NULL.
+ * @return A pointer to the V4LBuffer or NULL in case of error.
+ */
+V4LBuffer* avpriv_v4lbufpool_getfreebuf(V4LBufferPool *p, const AVFrame *f, const AVPacket* pkt);
+
+#endif // AVCODEC_V4L2_BUFFERS_H
diff --git a/libavcodec/v4l2_fmt.c b/libavcodec/v4l2_fmt.c
new file mode 100644
index 0000000..29d59fe
--- /dev/null
+++ b/libavcodec/v4l2_fmt.c
@@ -0,0 +1,142 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "v4l2_fmt.h"
+
+const struct v4l_fmt_map avpriv_v4l_fmt_conversion_table[] = {
+    /* ff_fmt             codec_id              v4l2_fmt                  pack_flags */
+    { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420     , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_YUV422P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV422P    , FF_V4L_PACK_AVPACKET                       },
+    { AV_PIX_FMT_YUYV422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUYV       , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_UYVY422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_UYVY       , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_YUV411P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV411P    , FF_V4L_PACK_AVPACKET                       },
+    { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV410     , FF_V4L_PACK_AVPACKET                       },
+    { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU410     , FF_V4L_PACK_AVPACKET                       },
+    { AV_PIX_FMT_RGB555LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555     , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_RGB555BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555X    , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_RGB565LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565     , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_RGB565BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565X    , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_BGR24,   AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR24      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_RGB24,   AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB24      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_BGR0,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_0RGB,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32      , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_GRAY8,   AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY       , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+#ifdef V4L2_PIX_FMT_Y16
+    { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16        , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+#endif
+    { AV_PIX_FMT_NV12,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12       , FF_V4L_PACK_AVPACKET                       },
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MJPEG,    V4L2_PIX_FMT_MJPEG      , FF_V4L_PACK_AVPACKET                       },
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MJPEG,    V4L2_PIX_FMT_JPEG       , FF_V4L_PACK_AVPACKET                       },
+#ifdef V4L2_PIX_FMT_H264
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_H264,     V4L2_PIX_FMT_H264       , FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_MPEG4
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MPEG4,    V4L2_PIX_FMT_MPEG4      , FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_CPIA1
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_CPIA,     V4L2_PIX_FMT_CPIA1      , FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_SRGGB8
+    { AV_PIX_FMT_BAYER_BGGR8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SBGGR8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_BAYER_GBRG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGBRG8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_BAYER_GRBG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGRBG8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+    { AV_PIX_FMT_BAYER_RGGB8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SRGGB8 , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+#endif
+#ifdef V4L2_PIX_FMT_NV12M
+    { AV_PIX_FMT_NV12,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12M      , FF_V4L_PACK_AVFRAME                        },
+#endif
+#ifdef V4L2_PIX_FMT_NV21M
+    { AV_PIX_FMT_NV21,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV21M      , FF_V4L_PACK_AVFRAME                        },
+#endif
+#ifdef V4L2_PIX_FMT_YUV420M
+    { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420M    , FF_V4L_PACK_AVFRAME                        },
+#endif
+#ifdef V4L2_PIX_FMT_NV16M
+    { AV_PIX_FMT_NV16,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV16M      , FF_V4L_PACK_AVFRAME                        },
+#endif
+#ifdef V4L2_PIX_FMT_DV
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_DVVIDEO,  V4L2_PIX_FMT_DV         , FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_H263
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_H263,     V4L2_PIX_FMT_H263       , FF_V4L_PACK_AVPACKET | FF_V4L_PACK_AVFRAME },
+#endif
+#ifdef V4L2_PIX_FMT_MPEG1
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MPEG1VIDEO, V4L2_PIX_FMT_MPEG1    , FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_MPEG2
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_MPEG2VIDEO, V4L2_PIX_FMT_MPEG2    , FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_VC1_ANNEX_G
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_VC1,      V4L2_PIX_FMT_VC1_ANNEX_G, FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_VP8
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_VP8,      V4L2_PIX_FMT_VP8        , FF_V4L_PACK_AVPACKET                       },
+#endif
+#ifdef V4L2_PIX_FMT_HEVC
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_HEVC,     V4L2_PIX_FMT_HEVC        , FF_V4L_PACK_AVPACKET                      },
+#endif
+#ifdef V4L2_PIX_FMT_VP9
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_VP9,      V4L2_PIX_FMT_VP9        , FF_V4L_PACK_AVPACKET                       },
+#endif
+    { AV_PIX_FMT_NONE,    AV_CODEC_ID_NONE,     0                       , 0                                          },
+};
+
+uint32_t avpriv_v4l_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id, int pack_flags)
+{
+    int i;
+
+    for (i = 0; avpriv_v4l_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
+        if ((codec_id == AV_CODEC_ID_NONE ||
+             avpriv_v4l_fmt_conversion_table[i].codec_id == codec_id) &&
+            (pix_fmt == AV_PIX_FMT_NONE ||
+             avpriv_v4l_fmt_conversion_table[i].ff_fmt == pix_fmt) &&
+             (avpriv_v4l_fmt_conversion_table[i].pack_flags & pack_flags)) {
+
+            return avpriv_v4l_fmt_conversion_table[i].v4l2_fmt;
+        }
+    }
+
+    return 0;
+}
+
+enum AVPixelFormat avpriv_v4l_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
+{
+    int i;
+
+    for (i = 0; avpriv_v4l_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
+        if (avpriv_v4l_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt &&
+            avpriv_v4l_fmt_conversion_table[i].codec_id == codec_id) {
+            return avpriv_v4l_fmt_conversion_table[i].ff_fmt;
+        }
+    }
+
+    return AV_PIX_FMT_NONE;
+}
+
+enum AVCodecID avpriv_v4l_fmt_v4l2codec(uint32_t v4l2_fmt)
+{
+    int i;
+
+    for (i = 0; avpriv_v4l_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
+        if (avpriv_v4l_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) {
+            return avpriv_v4l_fmt_conversion_table[i].codec_id;
+        }
+    }
+
+    return AV_CODEC_ID_NONE;
+}
diff --git a/libavcodec/v4l2_fmt.h b/libavcodec/v4l2_fmt.h
new file mode 100644
index 0000000..23302ba
--- /dev/null
+++ b/libavcodec/v4l2_fmt.h
@@ -0,0 +1,62 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_V4L2_FMT_H
+#define AVCODEC_V4L2_FMT_H
+
+#undef __STRICT_ANSI__ //workaround due to broken kernel headers
+#include "config.h"
+#if HAVE_SYS_VIDEOIO_H
+#include <sys/videoio.h>
+#else
+#if HAVE_ASM_TYPES_H
+#include <asm/types.h>
+#endif
+#include "videodev2.h"
+#endif
+#include "libavutil/avassert.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
+#include "libavdevice/avdevice.h"
+#include "libavdevice/timefilter.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/time.h"
+#include "libavutil/avstring.h"
+#include "libavutil/pixfmt.h"
+#include "libavcodec/avcodec.h"
+
+/* for v4l_fmt_map.pack_flags */
+#define FF_V4L_PACK_AVPACKET (1 << 0)
+#define FF_V4L_PACK_AVFRAME  (1 << 1)
+
+struct v4l_fmt_map {
+    enum AVPixelFormat ff_fmt;
+    enum AVCodecID codec_id;
+    uint32_t v4l2_fmt;
+    int pack_flags;
+};
+
+extern const struct v4l_fmt_map avpriv_v4l_fmt_conversion_table[];
+
+uint32_t avpriv_v4l_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id, int pack_flags);
+enum AVPixelFormat avpriv_v4l_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id);
+enum AVCodecID avpriv_v4l_fmt_v4l2codec(uint32_t v4l2_fmt);
+
+#endif /* AVCODEC_V4L2_FMT_H */
diff --git a/libavcodec/v4l2_m2m.c b/libavcodec/v4l2_m2m.c
new file mode 100644
index 0000000..d457473
--- /dev/null
+++ b/libavcodec/v4l2_m2m.c
@@ -0,0 +1,356 @@
+/*
+ * V4L mem2mem wrapper
+ *
+ * Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
+ * Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include "libavutil/imgutils.h"
+#include "libavutil/pixfmt.h"
+#include "libavutil/pixdesc.h"
+#include "avcodec.h"
+#include "v4l2_m2m_avcodec.h"
+#include "v4l2_buffers.h"
+#include "v4l2_fmt.h"
+#include "v4l2_m2m.h"
+
+#define V4L_MAX_STREAM_SIZE (3*1024*1024)
+
+static inline int try_raw_format(V4LBufferPool* bp, enum AVPixelFormat pixfmt)
+{
+    struct v4l2_format *fmt = &bp->format;
+    int ret, i, h;
+
+    fmt->type  = bp->type;
+
+    if (V4L2_TYPE_IS_MULTIPLANAR(bp->type)) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pixfmt);
+
+        fmt->fmt.pix_mp.pixelformat = avpriv_v4l_fmt_ff2v4l(pixfmt, bp->av_codec_id, FF_V4L_PACK_AVFRAME);
+        if (!fmt->fmt.pix_mp.pixelformat)
+            return AVERROR(EINVAL);
+
+        fmt->fmt.pix_mp.num_planes = av_pix_fmt_count_planes(pixfmt);
+        for (i = 0; i < fmt->fmt.pix_mp.num_planes; i++) {
+            fmt->fmt.pix_mp.plane_fmt[i].bytesperline = av_image_get_linesize(pixfmt, bp->width, i);
+            h = (i == 1 || i == 2) ? FF_CEIL_RSHIFT(bp->height, desc->log2_chroma_h) : bp->height;
+            fmt->fmt.pix_mp.plane_fmt[i].sizeimage = fmt->fmt.pix_mp.plane_fmt[i].bytesperline * h;
+        }
+    } else {
+        fmt->fmt.pix.pixelformat  = avpriv_v4l_fmt_ff2v4l(pixfmt, bp->av_codec_id, FF_V4L_PACK_AVFRAME);
+        if (!fmt->fmt.pix.pixelformat)
+            return AVERROR(EINVAL);
+
+        fmt->fmt.pix.bytesperline = av_image_get_linesize(pixfmt, bp->width, 0);
+        fmt->fmt.pix.sizeimage = fmt->fmt.pix.bytesperline * bp->height;
+    }
+
+    ret = ioctl(bp->fd, VIDIOC_TRY_FMT, fmt);
+    if (ret)
+        return AVERROR(EINVAL);
+
+    if (V4L2_TYPE_IS_MULTIPLANAR(bp->type)) {
+        fmt->fmt.pix_mp.height = bp->height;
+        fmt->fmt.pix_mp.width = bp->width;
+    } else {
+        fmt->fmt.pix.height = bp->height;
+        fmt->fmt.pix.width = bp->width;
+    }
+
+    return 0;
+}
+
+static int set_raw_format(V4LBufferPool* bp, int set)
+{
+    enum AVPixelFormat pixfmt = bp->av_pix_fmt;
+    struct v4l2_format *fmt = &bp->format;
+    struct v4l2_fmtdesc fmtdesc = { 0 };
+    int ret;
+
+    fmtdesc.type = bp->type;
+    if (pixfmt != AV_PIX_FMT_NONE) {
+        ret = try_raw_format(bp, pixfmt);
+        if (ret)
+            pixfmt = AV_PIX_FMT_NONE;
+    }
+
+    while (AV_PIX_FMT_NONE == pixfmt && !ioctl(bp->fd, VIDIOC_ENUM_FMT, &fmtdesc)) {
+
+        pixfmt = avpriv_v4l_fmt_v4l2ff(fmtdesc.pixelformat, AV_CODEC_ID_RAWVIDEO);
+
+        ret = try_raw_format(bp, pixfmt);
+        if (ret)
+            pixfmt = AV_PIX_FMT_NONE;
+
+        if (pixfmt != AV_PIX_FMT_NONE && set)
+            bp->av_pix_fmt = pixfmt;
+
+        fmtdesc.index++;
+    }
+
+    if (pixfmt == AV_PIX_FMT_NONE)
+        return AVERROR(EINVAL);
+
+    if (set)
+        return ioctl(bp->fd, VIDIOC_S_FMT, fmt);
+
+    return 0;
+}
+
+static int set_coded_format(V4LBufferPool* bp, int set)
+{
+    struct v4l2_format *fmt = &bp->format;
+    struct v4l2_fmtdesc fdesc;
+    uint32_t v4l2_fmt;
+    int found = 0;
+
+    v4l2_fmt = avpriv_v4l_fmt_ff2v4l(bp->av_pix_fmt, bp->av_codec_id, FF_V4L_PACK_AVPACKET);
+    memset(&fdesc, 0, sizeof(fdesc));
+    fdesc.type = bp->type;
+
+    while (!ioctl(bp->fd, VIDIOC_ENUM_FMT, &fdesc)) {
+        if (v4l2_fmt == fdesc.pixelformat) {
+            found = 1;
+            break;
+        }
+        fdesc.index++;
+    }
+
+    if (!found)
+        return AVERROR(EINVAL);
+
+    fmt->type = bp->type;
+
+    if (V4L2_TYPE_IS_MULTIPLANAR(bp->type)) {
+        fmt->fmt.pix_mp.num_planes = 1;
+        fmt->fmt.pix_mp.pixelformat = v4l2_fmt;
+        if (!fmt->fmt.pix_mp.pixelformat) {
+            av_log(bp->log_ctx, AV_LOG_ERROR, "no V4L codec for id %i\n", bp->av_codec_id);
+            return AVERROR(EINVAL);
+        }
+        fmt->fmt.pix_mp.plane_fmt[0].sizeimage = V4L_MAX_STREAM_SIZE;
+        fmt->fmt.pix_mp.height = bp->height;
+        fmt->fmt.pix_mp.width = bp->width;
+
+    } else {
+        fmt->fmt.pix.pixelformat = v4l2_fmt;
+        if (!fmt->fmt.pix.pixelformat) {
+            av_log(bp->log_ctx, AV_LOG_ERROR, "no V4L codec for id %i\n", bp->av_codec_id);
+            return AVERROR(EINVAL);
+        }
+        fmt->fmt.pix.sizeimage = V4L_MAX_STREAM_SIZE;
+        fmt->fmt.pix.height = bp->height;
+        fmt->fmt.pix.width = bp->width;
+    }
+
+    if (set)
+        return ioctl(bp->fd, VIDIOC_S_FMT, fmt);
+
+    return ioctl(bp->fd, VIDIOC_TRY_FMT, fmt);
+}
+
+int avpriv_set_pool_format(V4LBufferPool* bp, int set)
+{
+    if (bp->av_codec_id == AV_CODEC_ID_RAWVIDEO)
+        return set_raw_format(bp, set);
+
+    return set_coded_format(bp, set);
+}
+
+static inline int splane_video(struct v4l2_capability *cap)
+{
+    if (cap->capabilities & (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT) & V4L2_CAP_STREAMING)
+        return 1;
+
+    if (cap->capabilities & V4L2_CAP_VIDEO_M2M)
+        return 1;
+
+    return 0;
+}
+
+static inline int mplane_video(struct v4l2_capability *cap)
+{
+    if (cap->capabilities & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE) & V4L2_CAP_STREAMING)
+        return 1;
+
+    if (cap->capabilities & V4L2_CAP_VIDEO_M2M_MPLANE)
+        return 1;
+
+    return 0;
+}
+
+static int prepare_pools(V4Lm2mContext* s, void *log_ctx)
+{
+    int ret;
+
+    s->capture_pool.log_ctx = s->output_pool.log_ctx = log_ctx;
+    s->capture_pool.broken = s->output_pool.broken = 0;
+    s->capture_pool.fd = s->output_pool.fd = s->fd;
+    s->capture_pool.name = "capture pool";
+    s->output_pool.name = "output pool";
+
+    memset(&s->cap, 0, sizeof(s->cap));
+    ret = ioctl(s->fd, VIDIOC_QUERYCAP, &s->cap);
+    if (ret < 0) {
+        return ret;
+    }
+
+    if (mplane_video(&s->cap)) {
+        s->capture_pool.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+        s->output_pool.type  = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+        return 0;
+    }
+
+    if (splane_video(&s->cap)) {
+        s->capture_pool.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+        s->output_pool.type  = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+        return 0;
+    }
+
+    return AVERROR(EINVAL);
+}
+
+static int probe_and_set(V4Lm2mContext* s, void *log_ctx, int set)
+{
+    int fail_log_level = ( set ? AV_LOG_ERROR : AV_LOG_DEBUG);
+    int ret;
+
+    s->fd = open(s->devname, O_RDWR, 0);
+    if (s->fd < 0)
+        return AVERROR(errno);
+
+    ret = prepare_pools(s, log_ctx);
+    if (ret < 0)
+        goto error;
+
+    if (s->output_pool.cfg.format) {
+        ret = s->output_pool.cfg.format(&s->output_pool, set);
+        if (ret) {
+            av_log(log_ctx, fail_log_level, "can't set input format\n");
+            goto error;
+        }
+    }
+
+    if (s->capture_pool.cfg.format) {
+        ret = s->capture_pool.cfg.format(&s->capture_pool, set);
+        if (ret) {
+            av_log(log_ctx, fail_log_level, "can't to set output format\n");
+            goto error;
+        }
+    }
+
+    if (s->output_pool.cfg.init && set) {
+        ret = s->output_pool.cfg.init(&s->output_pool);
+        if (ret) {
+            av_log(log_ctx, fail_log_level, "no output pool's buffers\n");
+            goto error;
+        }
+    }
+
+    if (s->capture_pool.cfg.init && set) {
+        ret = s->capture_pool.cfg.init(&s->capture_pool);
+        if (ret) {
+            av_log(log_ctx, fail_log_level, "no capture pool's buffers\n");
+            goto error;
+        }
+    }
+
+    av_log(log_ctx, AV_LOG_INFO, "using driver '%s' on card '%s'\n", s->cap.driver, s->cap.card);
+
+error:
+    if (!set || ret) {
+        close(s->fd);
+        s->fd = 0;
+    }
+
+    return ret;
+}
+
+int avpriv_v4lm2m_init(V4Lm2mContext* s, void* log_ctx)
+{
+    char *devname_save = s->devname;
+    int ret = AVERROR(EINVAL);
+    char tmpbuf[PATH_MAX];
+    struct dirent *dp;
+    DIR *dirp;
+
+    if (s->devname && *s->devname)
+        return probe_and_set(s, log_ctx, 1);
+
+    if (!(dirp = opendir("/dev")))
+        return AVERROR(errno);
+
+    for (dp = readdir(dirp); dp; dp = readdir(dirp)) {
+
+        if (!strncmp(dp->d_name, "video", sizeof("video") - 1)) {
+            snprintf(tmpbuf, sizeof(tmpbuf) - 1, "/dev/%s", dp->d_name);
+            av_log(log_ctx, AV_LOG_DEBUG, "probing %s\n", tmpbuf);
+
+            s->devname = tmpbuf;
+            ret = probe_and_set(s, log_ctx, 0);
+            if (!ret)
+                break;
+        }
+    }
+    closedir(dirp);
+
+    if (ret) {
+        av_log(log_ctx, AV_LOG_ERROR, "Could not find a valid device\n");
+        s->devname = devname_save;
+        return ret;
+    }
+
+    av_log(log_ctx, AV_LOG_INFO, "Using device %s\n", tmpbuf);
+    ret = probe_and_set(s, log_ctx, 1);
+    s->devname = devname_save;
+
+    return ret;
+}
+
+int ff_v4lm2m_codec_init(AVCodecContext *avctx)
+{
+    V4Lm2mContext *s = avctx->priv_data;
+
+    return avpriv_v4lm2m_init(s, avctx);
+}
+
+int avpriv_v4lm2m_end(V4Lm2mContext* s)
+{
+    avpriv_release_buffer_pool(&s->output_pool);
+    avpriv_release_buffer_pool(&s->capture_pool);
+    avpriv_set_stream_status(&s->output_pool, VIDIOC_STREAMOFF);
+    avpriv_set_stream_status(&s->capture_pool, VIDIOC_STREAMOFF);
+    close(s->fd);
+
+    return 0;
+}
+
+int ff_v4lm2m_codec_end(AVCodecContext *avctx)
+{
+    V4Lm2mContext *s = avctx->priv_data;
+
+    av_log(avctx, AV_LOG_DEBUG, "Closing context\n");
+
+    return avpriv_v4lm2m_end(s);
+}
diff --git a/libavcodec/v4l2_m2m.h b/libavcodec/v4l2_m2m.h
new file mode 100644
index 0000000..226bc3c
--- /dev/null
+++ b/libavcodec/v4l2_m2m.h
@@ -0,0 +1,69 @@
+/*
+ * V4L2 mem2mem helper functions
+ *
+ * Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
+ * Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_V4L2_M2M_H
+#define AVCODEC_V4L2_M2M_H
+
+#include "v4l2_buffers.h"
+#include "v4l2_fmt.h"
+
+#define V4L_M2M_DEFAULT_OPTS \
+    { "device",\
+        "Path to the device to use",\
+        OFFSET(devname),\
+        AV_OPT_TYPE_STRING,\
+        {.str = NULL }, 0, 0, FLAGS },\
+    { "input_memory",\
+        "Input memory model: See V4L2_MEMORY_* in videodev2.h. This depends on the HW but default should work with most but would imply useless memcpy()'s if used improperly.",\
+        OFFSET(output_pool.memory),\
+        AV_OPT_TYPE_INT,\
+        {.i64 = V4L2_MEMORY_MMAP},\
+        0, INT_MAX, FLAGS },\
+    { "output_memory",\
+        "Output memory model: See V4L2_MEMORY_* in videodev2.h. This depends on the HW but default should work with most.",\
+        OFFSET(capture_pool.memory),\
+        AV_OPT_TYPE_INT,\
+        {.i64 = V4L2_MEMORY_MMAP},\
+        0, INT_MAX, FLAGS },\
+    { "num_output_pool_buffers",\
+        "Number of buffers in the output pool",\
+        OFFSET(output_pool.num_buffers),\
+        AV_OPT_TYPE_INT,\
+        { .i64 = 16 },\
+        4, INT_MAX, FLAGS }
+
+typedef struct V4Lm2mContext
+{
+    AVClass *class;
+    int fd;
+    char *devname;
+    struct v4l2_capability cap;
+    V4LBufferPool output_pool;
+    V4LBufferPool capture_pool;
+} V4Lm2mContext;
+
+int avpriv_v4lm2m_init(V4Lm2mContext* s, void* log_ctx);
+int avpriv_set_pool_format(V4LBufferPool* bp, int set);
+int avpriv_v4lm2m_end(V4Lm2mContext* ctx);
+
+#endif /* AVCODEC_V4L2_M2M_H */
diff --git a/libavcodec/v4l2_m2m_avcodec.h b/libavcodec/v4l2_m2m_avcodec.h
new file mode 100644
index 0000000..2d0f1b6
--- /dev/null
+++ b/libavcodec/v4l2_m2m_avcodec.h
@@ -0,0 +1,32 @@
+/*
+ * V4L2 mem2mem avcodec helper functions
+ *
+ * Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
+ * Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_V4L2_M2M_AVCODEC_H
+#define AVCODEC_V4L2_M2M_AVCODEC_H
+
+#include "avcodec.h"
+
+int ff_v4lm2m_codec_init(AVCodecContext *avctx);
+int ff_v4lm2m_codec_end(AVCodecContext *avctx);
+
+#endif
diff --git a/libavcodec/v4l2_m2m_dec.c b/libavcodec/v4l2_m2m_dec.c
new file mode 100644
index 0000000..2cc59c5
--- /dev/null
+++ b/libavcodec/v4l2_m2m_dec.c
@@ -0,0 +1,229 @@
+/*
+ * V4L2 mem2mem decoders
+ *
+ * Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
+ * Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <sys/ioctl.h>
+#include "libavutil/pixfmt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/opt.h"
+#include "v4l2_m2m_avcodec.h"
+#include "v4l2_fmt.h"
+#include "v4l2_buffers.h"
+#include "v4l2_m2m.h"
+#include "decode.h"
+#include "avcodec.h"
+
+static int try_start(AVCodecContext *avctx)
+{
+    V4Lm2mContext *s = avctx->priv_data;
+    V4LBufferPool *const cap_pool = &s->capture_pool;
+    V4LBufferPool *const out_pool = &s->output_pool;
+    struct v4l2_selection selection;
+    struct v4l2_control ctrl;
+    int ret;
+
+    if (out_pool->streamon && cap_pool->streamon)
+        return 0;
+
+    /* this will report the size of the frame back (see a4lbuf_to_avframe) */
+    cap_pool->height = avctx->coded_height;
+    cap_pool->width = avctx->coded_width;
+
+    /* start the output process */
+    if (!out_pool->streamon) {
+        ret = avpriv_set_stream_status(out_pool, VIDIOC_STREAMON);
+        if (ret < 0) {
+            av_log(avctx, AV_LOG_DEBUG, "VIDIOC_STREAMON on output pool\n");
+            return ret;
+        }
+    }
+
+    /* get the capture format */
+    cap_pool->format.type = cap_pool->type;
+    ret = ioctl(s->fd, VIDIOC_G_FMT, &cap_pool->format);
+    if (ret) {
+        av_log(avctx, AV_LOG_ERROR, "VIDIOC_G_FMT ioctl\n");
+        return ret;
+    }
+
+    /* store what the decoder gives */
+    avctx->pix_fmt = avpriv_v4l_fmt_v4l2ff(cap_pool->format.fmt.pix_mp.pixelformat, AV_CODEC_ID_RAWVIDEO);
+    cap_pool->av_pix_fmt = avctx->pix_fmt;
+
+    /* set the crop parameters */
+    selection.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+    selection.r.height = avctx->coded_height;
+    selection.r.width = avctx->coded_width;
+    ret = ioctl(s->fd, VIDIOC_S_SELECTION, &selection);
+    if (!ret) {
+        ret = ioctl(s->fd, VIDIOC_G_SELECTION, &selection);
+        if (ret) {
+            av_log(avctx, AV_LOG_ERROR, "VIDIOC_G_SELECTION ioctl\n");
+        } else {
+            av_log(avctx, AV_LOG_DEBUG, "crop output %dx%d\n", selection.r.width, selection.r.height);
+            /* update the size of the resulting frame */
+            cap_pool->height = selection.r.height;
+            cap_pool->width  = selection.r.width;
+        }
+    }
+
+    /* get the minimum number of buffers required by capture */
+    memset(&ctrl, 0, sizeof(ctrl));
+    ctrl.id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE;
+    ret = ioctl(s->fd, VIDIOC_G_CTRL, &ctrl);
+    if (!ret) {
+        cap_pool->min_queued_buffers = ctrl.value;
+    }
+
+    /* init the capture pool */
+    if (!cap_pool->buffers) {
+        ret = avpriv_init_v4lbufpool(cap_pool);
+        if (ret) {
+            av_log(avctx, AV_LOG_DEBUG, "can't request output buffers\n");
+            return ret;
+        }
+    }
+
+    /* start the capture process */
+    ret = avpriv_set_stream_status(cap_pool, VIDIOC_STREAMON);
+    if (ret) {
+        av_log(avctx, AV_LOG_DEBUG, "VIDIOC_STREAMON, on capture pool\n");
+        return ret;
+    }
+
+    return 0;
+}
+
+static av_cold int v4lm2m_decode_init(AVCodecContext *avctx)
+{
+    V4Lm2mContext *s = avctx->priv_data;
+    V4LBufferPool *const cap_pool = &s->capture_pool;
+    V4LBufferPool *const out_pool = &s->output_pool;
+
+    out_pool->default_flags = cap_pool->default_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+    out_pool->cfg.format = cap_pool->cfg.format = avpriv_set_pool_format;
+    out_pool->height = cap_pool->height = avctx->coded_height;
+    out_pool->width = cap_pool->width =avctx->coded_width;
+
+    out_pool->cfg.init = avpriv_init_v4lbufpool;
+    out_pool->av_codec_id = avctx->codec_id;
+    out_pool->av_pix_fmt  = AV_PIX_FMT_NONE;
+
+    cap_pool->cfg.init = NULL;
+    cap_pool->av_codec_id = AV_CODEC_ID_RAWVIDEO;
+    cap_pool->av_pix_fmt = avctx->pix_fmt;
+    cap_pool->min_queued_buffers = 6;
+
+    return ff_v4lm2m_codec_init(avctx);
+}
+
+static int v4lm2m_receive_frame(AVCodecContext *avctx, AVFrame *frame)
+{
+    V4Lm2mContext *s = avctx->priv_data;
+    V4LBufferPool *const cap_pool = &s->capture_pool;
+    V4LBufferPool *const out_pool = &s->output_pool;
+    unsigned int timeout = 1000;
+    AVPacket avpkt = {0};
+    int ret;
+
+    ret = ff_decode_get_packet(avctx, &avpkt);
+    if (ret < 0 && ret != AVERROR_EOF)
+        return ret;
+
+    ret = avpriv_v4l_enqueue(out_pool, NULL, &avpkt);
+    if (ret < 0)
+        return ret;
+
+    ret = try_start(avctx);
+    if (ret)
+        return 0;
+
+    return avpriv_v4l_dequeue(cap_pool, frame, NULL, timeout);
+}
+
+#define OFFSET(x) offsetof(V4Lm2mContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+
+        static const AVOption options[] = {
+        V4L_M2M_DEFAULT_OPTS,{ "num_capture_pool_extra_buffers",
+        "Number of extra buffers in the capture pool",
+        OFFSET(capture_pool.num_buffers), AV_OPT_TYPE_INT,{.i64 = 6}, 4, INT_MAX, FLAGS},
+        { NULL},
+        };
+
+#define M2MDEC(NAME, LONGNAME, CODEC, bsf_name) \
+static const AVClass v4l2_m2m_ ## NAME ## _dec_class = {\
+    .class_name = #NAME "_v4l2_m2m_decoder",\
+    .item_name  = av_default_item_name,\
+    .option     = options,\
+    .version    = LIBAVUTIL_VERSION_INT,\
+};\
+\
+AVCodec ff_ ## NAME ## _v4l2m2m_decoder = { \
+    .name           = #NAME "_v4l2m2m" ,\
+    .long_name      = NULL_IF_CONFIG_SMALL("V4L2 mem2mem " LONGNAME " decoder wrapper"),\
+    .type           = AVMEDIA_TYPE_VIDEO,\
+    .id             = CODEC ,\
+    .priv_data_size = sizeof(V4Lm2mContext),\
+    .priv_class     = &v4l2_m2m_ ## NAME ## _dec_class,\
+    .init           = v4lm2m_decode_init,\
+    .receive_frame  = v4lm2m_receive_frame,\
+    .close          = ff_v4lm2m_codec_end,\
+    .capabilities   = CODEC_CAP_DELAY,\
+    .bsfs           = bsf_name, \
+};
+
+#if CONFIG_H263_V4L2M2M_DECODER
+        M2MDEC(h263, "H.263", AV_CODEC_ID_H263, NULL);
+#endif
+
+#if CONFIG_H264_V4L2M2M_DECODER
+        M2MDEC(h264, "H.264", AV_CODEC_ID_H264, "h264_mp4toannexb");
+#endif
+
+#if CONFIG_MPEG1_V4L2M2M_DECODER
+        M2MDEC(mpeg1, "MPEG1", AV_CODEC_ID_MPEG1VIDEO, NULL);
+#endif
+
+#if CONFIG_MPEG2_V4L2M2M_DECODER
+        M2MDEC(mpeg2, "MPEG2", AV_CODEC_ID_MPEG2VIDEO, NULL);
+#endif
+
+#if CONFIG_MPEG4_V4L2M2M_DECODER
+        M2MDEC(mpeg4, "MPEG4", AV_CODEC_ID_MPEG4, NULL);
+#endif
+
+#if CONFIG_VC1_V4L2M2M_DECODER
+        M2MDEC(vc1 , "VC1", AV_CODEC_ID_VC1, NULL);
+#endif
+
+#if CONFIG_VP8_V4L2M2M_DECODER
+        M2MDEC(vp8, "VP8", AV_CODEC_ID_VP8, NULL);
+#endif
+
+#if CONFIG_HEVC_V4L2M2M_DECODER
+        M2MDEC(hevc , "HEVC", AV_CODEC_ID_HEVC, "hevc_mp4toannexb");
+#endif
+
+#if CONFIG_VP9_V4L2M2M_DECODER
+        M2MDEC(vp9, "VP9", AV_CODEC_ID_VP9, NULL);
+#endif
diff --git a/libavcodec/v4l2_m2m_enc.c b/libavcodec/v4l2_m2m_enc.c
new file mode 100644
index 0000000..bc32e33
--- /dev/null
+++ b/libavcodec/v4l2_m2m_enc.c
@@ -0,0 +1,270 @@
+/*
+ * V4L2 mem2mem encoders
+ *
+ * Copyright (C) 2017 Alexis Ballier <aballier@gentoo.org>
+ * Copyright (C) 2017 Jorge Ramirez <jorge.ramirez-ortiz@linaro.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <sys/ioctl.h>
+
+#include "libavutil/pixfmt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/opt.h"
+#include "v4l2_m2m_avcodec.h"
+#include "v4l2_buffers.h"
+#include "v4l2_fmt.h"
+#include "v4l2_m2m.h"
+#include "avcodec.h"
+
+#define STR(s) AV_TOSTRING(s)
+#define MPEG_CID(x) V4L2_CID_MPEG_VIDEO_##x
+#define MPEG_VIDEO(x) V4L2_MPEG_VIDEO_##x
+
+#define SET_V4L_EXT_CTRL(TYPE, ID, VALUE, NAME)                     \
+{                                                                   \
+    struct v4l2_ext_control ctrl = { 0 };                           \
+    struct v4l2_ext_controls ctrls = { 0 };                         \
+    ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;                        \
+    ctrls.controls = &ctrl;                                         \
+    ctrl.TYPE = VALUE ;                                             \
+    ctrl.id = ID ;                                                  \
+    ctrls.count = 1;                                                \
+                                                                    \
+    if ((ret = ioctl(s->fd, VIDIOC_S_EXT_CTRLS, &ctrls)) < 0)       \
+        av_log(avctx, AV_LOG_WARNING, "Failed to set " NAME "%s\n", STR(ID));  \
+}
+
+static inline int v4l_h264_profile_from_ff(int p)
+{
+    switch(p) {
+    case FF_PROFILE_H264_CONSTRAINED_BASELINE:
+        return MPEG_VIDEO(H264_PROFILE_CONSTRAINED_BASELINE);
+    case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
+        return MPEG_VIDEO(H264_PROFILE_HIGH_444_PREDICTIVE);
+    case FF_PROFILE_H264_HIGH_422_INTRA:
+        return MPEG_VIDEO(H264_PROFILE_HIGH_422_INTRA);
+    case FF_PROFILE_H264_HIGH_444_INTRA:
+        return MPEG_VIDEO(H264_PROFILE_HIGH_444_INTRA);
+    case FF_PROFILE_H264_HIGH_10_INTRA:
+        return MPEG_VIDEO(H264_PROFILE_HIGH_10_INTRA);
+    case FF_PROFILE_H264_HIGH_422:
+        return MPEG_VIDEO(H264_PROFILE_HIGH_422);
+    case FF_PROFILE_H264_BASELINE:
+        return MPEG_VIDEO(H264_PROFILE_BASELINE);
+    case FF_PROFILE_H264_EXTENDED:
+        return MPEG_VIDEO(H264_PROFILE_EXTENDED);
+    case FF_PROFILE_H264_HIGH_10:
+        return MPEG_VIDEO(H264_PROFILE_HIGH_10);
+    case FF_PROFILE_H264_MAIN:
+        return MPEG_VIDEO(H264_PROFILE_MAIN);
+    case FF_PROFILE_H264_HIGH:
+        return MPEG_VIDEO(H264_PROFILE_HIGH);
+    }
+
+    return -1;
+}
+
+static inline int v4l_mpeg4_profile_from_ff(int p)
+{
+    switch(p) {
+    case FF_PROFILE_MPEG4_ADVANCED_CODING:
+        return MPEG_VIDEO(MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY);
+    case FF_PROFILE_MPEG4_ADVANCED_SIMPLE:
+        return MPEG_VIDEO(MPEG4_PROFILE_ADVANCED_SIMPLE);
+    case FF_PROFILE_MPEG4_SIMPLE_SCALABLE:
+        return MPEG_VIDEO(MPEG4_PROFILE_SIMPLE_SCALABLE);
+    case FF_PROFILE_MPEG4_SIMPLE:
+        return MPEG_VIDEO(MPEG4_PROFILE_SIMPLE);
+    case FF_PROFILE_MPEG4_CORE:
+        return MPEG_VIDEO(MPEG4_PROFILE_CORE);
+    }
+
+    return -1;
+}
+
+static av_cold int v4lm2m_encode_init(AVCodecContext *avctx)
+{
+    V4Lm2mContext *s = avctx->priv_data;
+    V4LBufferPool *const cap_pool = &s->capture_pool;
+    V4LBufferPool *const out_pool = &s->output_pool;
+    int qmin, qmax, ret, val;
+
+    out_pool->default_flags = cap_pool->default_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+    out_pool->cfg.format = cap_pool->cfg.format = avpriv_set_pool_format;
+    out_pool->cfg.init = cap_pool->cfg.init = avpriv_init_v4lbufpool;
+    out_pool->height = cap_pool->height = avctx->height;
+    out_pool->width = cap_pool->width = avctx->width;
+
+    /* out pool */
+    out_pool->av_codec_id = AV_CODEC_ID_RAWVIDEO;
+    out_pool->av_pix_fmt = avctx->pix_fmt;
+
+    /* cap pool */
+    cap_pool->av_codec_id = avctx->codec_id;
+    cap_pool->av_pix_fmt = AV_PIX_FMT_NONE;
+    cap_pool->min_queued_buffers = 1;
+
+    if (ret = ff_v4lm2m_codec_init(avctx))
+        return ret;
+
+    SET_V4L_EXT_CTRL(value, MPEG_CID(HEADER_MODE), MPEG_VIDEO(HEADER_MODE_JOINED_WITH_1ST_FRAME), "header mode");
+
+    SET_V4L_EXT_CTRL(value, MPEG_CID(B_FRAMES), avctx->max_b_frames,  "number of B-frames");
+    SET_V4L_EXT_CTRL(value, MPEG_CID(GOP_SIZE), avctx->gop_size,"gop size");
+    SET_V4L_EXT_CTRL(value, MPEG_CID(BITRATE) , avctx->bit_rate, "bit rate");
+
+    switch(avctx->codec_id) {
+    case AV_CODEC_ID_H264:
+        val = v4l_h264_profile_from_ff(avctx->profile);
+        if (val >= 0) {
+            SET_V4L_EXT_CTRL(value, MPEG_CID(H264_PROFILE), val, "h264 profile");
+        }
+        qmin = MPEG_CID(H264_MIN_QP);
+        qmax = MPEG_CID(H264_MAX_QP);
+        break;
+    case AV_CODEC_ID_MPEG4:
+        val = v4l_mpeg4_profile_from_ff(avctx->profile);
+        if (val >= 0) {
+            SET_V4L_EXT_CTRL(value, MPEG_CID(MPEG4_PROFILE), val, "mpeg4 profile");
+        }
+        qmin = MPEG_CID(MPEG4_MIN_QP);
+        qmax = MPEG_CID(MPEG4_MAX_QP);
+        if (avctx->flags & CODEC_FLAG_QPEL) {
+            SET_V4L_EXT_CTRL(value, MPEG_CID(MPEG4_QPEL), 1, "qpel");
+        }
+        break;
+    case AV_CODEC_ID_H263:
+        qmin = MPEG_CID(H263_MIN_QP);
+        qmax = MPEG_CID(H263_MAX_QP);
+        break;
+    case AV_CODEC_ID_VP8:
+    case AV_CODEC_ID_VP9:
+        qmin = MPEG_CID(VPX_MIN_QP);
+        qmax = MPEG_CID(VPX_MAX_QP);
+        break;
+    default:
+        return 0;
+    }
+
+    SET_V4L_EXT_CTRL(value, qmin, avctx->qmin, "minimum video quantizer scale");
+    SET_V4L_EXT_CTRL(value, qmax, avctx->qmax, "maximum video quantizer scale");
+
+    return 0;
+}
+
+static int v4lm2m_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+                              const AVFrame *pict, int *got_packet)
+{
+    V4Lm2mContext *s = avctx->priv_data;
+    V4LBufferPool *const cap_pool = &s->capture_pool;
+    V4LBufferPool *const out_pool = &s->output_pool;
+    unsigned int timeout = 1000;
+    int ret;
+
+    /* end of transfer */
+    if (!pict) {
+        if (out_pool->streamon) {
+            ret = avpriv_set_stream_status(out_pool, VIDIOC_STREAMOFF);
+            if (ret) {
+                av_log(avctx, AV_LOG_ERROR, "VIDIOC_STREAMOFF failed on output pool\n");
+                return ret;
+            }
+        }
+        goto dequeue;
+    }
+
+    ret = avpriv_v4l_enqueue(out_pool, pict, NULL);
+    if (ret < 0)
+        return ret;
+
+    if (!out_pool->streamon) {
+        ret = avpriv_set_stream_status(out_pool, VIDIOC_STREAMON);
+        if (ret) {
+            av_log(avctx, AV_LOG_ERROR, "VIDIOC_STREAMON failed on output pool\n");
+            return ret;
+        }
+    }
+    if (!cap_pool->streamon) {
+        ret = avpriv_set_stream_status(cap_pool, VIDIOC_STREAMON);
+        if (ret) {
+            av_log(avctx, AV_LOG_ERROR, "VIDIOC_STREAMON failed on capture pool\n");
+            return ret;
+        }
+    }
+
+dequeue:
+
+    ret = avpriv_v4l_dequeue(cap_pool, NULL, pkt, timeout);
+    if (ret == AVERROR(EAGAIN))
+        return 0;
+    if (!ret)
+        *got_packet = 1;
+
+    return ret;
+}
+
+#define OFFSET(x) offsetof(V4Lm2mContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+
+static const AVOption options[] = {
+    V4L_M2M_DEFAULT_OPTS, { "num_capture_pool_buffers", "Number of buffers in the capture pool",
+      OFFSET(capture_pool.num_buffers), AV_OPT_TYPE_INT, {.i64 = 4 }, 4, INT_MAX, FLAGS }, { NULL },
+};
+
+#define M2MENC(NAME, LONGNAME, CODEC) \
+static const AVClass v4l2_m2m_ ## NAME ## _enc_class = {\
+    .class_name = #NAME "_v4l2_m2m_encoder",\
+    .item_name  = av_default_item_name,\
+    .option     = options,\
+    .version    = LIBAVUTIL_VERSION_INT,\
+};\
+\
+AVCodec ff_ ## NAME ## _v4l2m2m_encoder = { \
+    .name           = #NAME "_v4l2m2m" ,\
+    .long_name      = NULL_IF_CONFIG_SMALL("V4L2 mem2mem " LONGNAME " encoder wrapper"),\
+    .type           = AVMEDIA_TYPE_VIDEO,\
+    .id             = CODEC ,\
+    .priv_data_size = sizeof(V4Lm2mContext),\
+    .priv_class     = &v4l2_m2m_ ## NAME ##_enc_class,\
+    .init           = v4lm2m_encode_init,\
+    .encode2        = v4lm2m_encode_frame,\
+    .close          = ff_v4lm2m_codec_end,\
+    .capabilities   = CODEC_CAP_DELAY,\
+};
+
+#if CONFIG_H263_V4L2M2M_ENCODER
+M2MENC(h263, "H.263", AV_CODEC_ID_H263);
+#endif
+
+#if CONFIG_H264_V4L2M2M_ENCODER
+M2MENC(h264, "H.264", AV_CODEC_ID_H264);
+#endif
+
+#if CONFIG_MPEG4_V4L2M2M_ENCODER
+M2MENC(mpeg4, "MPEG4", AV_CODEC_ID_MPEG4);
+#endif
+
+#if CONFIG_VP8_V4L2M2M_ENCODER
+M2MENC(vp8, "VP8", AV_CODEC_ID_VP8);
+#endif
+
+#if CONFIG_HEVC_V4L2M2M_ENCODER
+M2MENC(hevc, "HEVC", AV_CODEC_ID_HEVC);
+#endif
+
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
index 0d40fd5..e9e82f6 100644
--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -44,7 +44,7 @@
 #include "libavutil/imgutils.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/time.h"
-#include "libavcodec/v4l2-common.h"
+#include "libavcodec/v4l2_fmt.h"
 #include "libavformat/internal.h"
 #include "libavdevice/avdevice.h"
 #include "libavdevice/timefilter.h"
diff --git a/libavdevice/v4l2enc.c b/libavdevice/v4l2enc.c
index f2fc8f4..11ca7a8 100644
--- a/libavdevice/v4l2enc.c
+++ b/libavdevice/v4l2enc.c
@@ -26,7 +26,7 @@
 
 #include "libavutil/imgutils.h"
 #include "libavutil/pixdesc.h"
-#include "libavcodec/v4l2-common.h"
+#include "libavcodec/v4l2_fmt.h"
 #include "libavdevice/avdevice.h"
 
 typedef struct {
diff --git a/tests/ref/fate/source b/tests/ref/fate/source
index 2def034..f6fd69c 100644
--- a/tests/ref/fate/source
+++ b/tests/ref/fate/source
@@ -30,5 +30,8 @@ compat/cuda/dynlink_nvcuvid.h
 compat/float/float.h
 compat/float/limits.h
 compat/nvenc/nvEncodeAPI.h
+compat/v4l2/v4l2-common.h
+compat/v4l2/v4l2-controls.h
+compat/v4l2/videodev2.h
 Use of av_clip() where av_clip_uintp2() could be used:
 Use of av_clip() where av_clip_intp2() could be used:
