[FFmpeg-devel,5/6] lavc/qsvdec: Add mjpeg decoder support

Submitted by Zhong Li on Aug. 13, 2019, 6:11 a.m.

Details

Message ID 1565676672-2755-5-git-send-email-zhong.li@intel.com
State Accepted
Commit 7555cfd29b7150a9c59f8a757ae0e5804a369644
Headers show

Commit Message

Zhong Li Aug. 13, 2019, 6:11 a.m.
Signed-off-by: Zhong Li <zhong.li@intel.com>
---
 Changelog                 |  3 +++
 configure                 |  1 +
 libavcodec/Makefile       |  1 +
 libavcodec/allcodecs.c    |  1 +
 libavcodec/qsvdec_other.c | 28 +++++++++++++++++++++++++++-
 5 files changed, 33 insertions(+), 1 deletion(-)

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diff --git a/Changelog b/Changelog
index 389ca6c..e9a15d8 100644
--- a/Changelog
+++ b/Changelog
@@ -1,6 +1,9 @@ 
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
+version <next>:
+- Intel QSV-accelerated MJPEG decoding
+
 version 4.2:
 - tpad filter
 - AV1 decoding support through libdav1d
diff --git a/configure b/configure
index ddaaf80..cdc7cd5 100755
--- a/configure
+++ b/configure
@@ -3042,6 +3042,7 @@  hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
 hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
 mjpeg_cuvid_decoder_deps="cuvid"
+mjpeg_qsv_decoder_select="qsvdec"
 mjpeg_qsv_encoder_deps="libmfx"
 mjpeg_qsv_encoder_select="qsvenc"
 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 3cd73fb..e491883 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -425,6 +425,7 @@  OBJS-$(CONFIG_METASOUND_DECODER)       += metasound.o metasound_data.o \
 OBJS-$(CONFIG_MICRODVD_DECODER)        += microdvddec.o ass.o
 OBJS-$(CONFIG_MIMIC_DECODER)           += mimic.o
 OBJS-$(CONFIG_MJPEG_DECODER)           += mjpegdec.o
+OBJS-$(CONFIG_MJPEG_QSV_DECODER)       += qsvdec_other.o
 OBJS-$(CONFIG_MJPEG_ENCODER)           += mjpegenc.o mjpegenc_common.o \
                                           mjpegenc_huffman.o
 OBJS-$(CONFIG_MJPEGB_DECODER)          += mjpegbdec.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index d2f9a39..cfc1d47 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -763,6 +763,7 @@  extern AVCodec ff_hevc_videotoolbox_encoder;
 extern AVCodec ff_libkvazaar_encoder;
 extern AVCodec ff_mjpeg_cuvid_decoder;
 extern AVCodec ff_mjpeg_qsv_encoder;
+extern AVCodec ff_mjpeg_qsv_decoder;
 extern AVCodec ff_mjpeg_vaapi_encoder;
 extern AVCodec ff_mpeg1_cuvid_decoder;
 extern AVCodec ff_mpeg2_cuvid_decoder;
diff --git a/libavcodec/qsvdec_other.c b/libavcodec/qsvdec_other.c
index a6f1b88..ca5b285 100644
--- a/libavcodec/qsvdec_other.c
+++ b/libavcodec/qsvdec_other.c
@@ -1,5 +1,5 @@ 
 /*
- * Intel MediaSDK QSV based MPEG-2, VC-1 and VP8 decoders
+ * Intel MediaSDK QSV based MPEG-2, VC-1, VP8 and MJPEG decoders
  *
  * copyright (c) 2015 Anton Khirnov
  *
@@ -256,3 +256,29 @@  AVCodec ff_vp8_qsv_decoder = {
     .wrapper_name   = "qsv",
 };
 #endif
+
+#if CONFIG_MJPEG_QSV_DECODER
+static const AVClass mjpeg_qsv_class = {
+    .class_name = "mjpeg_qsv",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_mjpeg_qsv_decoder = {
+    .name           = "mjpeg_qsv",
+    .long_name      = NULL_IF_CONFIG_SMALL("MJPEG video (Intel Quick Sync Video acceleration)"),
+    .priv_data_size = sizeof(QSVOtherContext),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_MJPEG,
+    .init           = qsv_decode_init,
+    .decode         = qsv_decode_frame,
+    .flush          = qsv_decode_flush,
+    .close          = qsv_decode_close,
+    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID,
+    .priv_class     = &mjpeg_qsv_class,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+                                                    AV_PIX_FMT_QSV,
+                                                    AV_PIX_FMT_NONE },
+};
+#endif