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[FFmpeg-devel] avcodec/videotoolbox: add AV1 hardware acceleration

Message ID 20240920213906.66044-1-martin@martin.st
State New
Headers show
Series [FFmpeg-devel] avcodec/videotoolbox: add AV1 hardware acceleration | expand

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Commit Message

Martin Storsjö Sept. 20, 2024, 9:39 p.m. UTC
From: Jan Ekström <jeebjp@gmail.com>

Co-authored-by: Ruslan Chernenko <ractyfree@gmail.com>
Co-authored-by: Martin Storsjö <martin@martin.st>
---
This is a touched up version of Jan and Ruslan's patches for
AV1 hwaccel via videotoolbox; I tried to polish the code a little
by not overwriting avctx->extradata in
ff_videotoolbox_av1c_extradata_create, and by factorizing out a
new function ff_videotoolbox_buffer_append.
---
 configure                     |   4 ++
 libavcodec/Makefile           |   1 +
 libavcodec/av1dec.c           |  10 +++
 libavcodec/hwaccels.h         |   1 +
 libavcodec/videotoolbox.c     |  34 +++++++++++
 libavcodec/videotoolbox_av1.c | 112 ++++++++++++++++++++++++++++++++++
 libavcodec/vt_internal.h      |   4 ++
 7 files changed, 166 insertions(+)
 create mode 100644 libavcodec/videotoolbox_av1.c
diff mbox series

Patch

diff --git a/configure b/configure
index 8fbf3772a8..bc244d7ca2 100755
--- a/configure
+++ b/configure
@@ -2464,6 +2464,7 @@  TYPES_LIST="
     kCMVideoCodecType_HEVC
     kCMVideoCodecType_HEVCWithAlpha
     kCMVideoCodecType_VP9
+    kCMVideoCodecType_AV1
     kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange
     kCVPixelFormatType_422YpCbCr8BiPlanarVideoRange
     kCVPixelFormatType_422YpCbCr10BiPlanarVideoRange
@@ -3171,6 +3172,8 @@  av1_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferAV1_bit_depth_idx"
 av1_vaapi_hwaccel_select="av1_decoder"
 av1_vdpau_hwaccel_deps="vdpau VdpPictureInfoAV1"
 av1_vdpau_hwaccel_select="av1_decoder"
+av1_videotoolbox_hwaccel_deps="videotoolbox"
+av1_videotoolbox_hwaccel_select="av1_decoder"
 av1_vulkan_hwaccel_deps="vulkan"
 av1_vulkan_hwaccel_select="av1_decoder"
 h263_vaapi_hwaccel_deps="vaapi"
@@ -6690,6 +6693,7 @@  enabled videotoolbox && {
     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVCWithAlpha "-framework CoreMedia"
     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_VP9 "-framework CoreMedia"
+    check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_AV1 "-framework CoreMedia"
     check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo"
     check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_422YpCbCr8BiPlanarVideoRange "-framework CoreVideo"
     check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_422YpCbCr10BiPlanarVideoRange "-framework CoreVideo"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 936fc3415a..fa6d30a8b3 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1007,6 +1007,7 @@  OBJS-$(CONFIG_AV1_D3D12VA_HWACCEL)        += dxva2_av1.o d3d12va_av1.o
 OBJS-$(CONFIG_AV1_NVDEC_HWACCEL)          += nvdec_av1.o
 OBJS-$(CONFIG_AV1_VAAPI_HWACCEL)          += vaapi_av1.o
 OBJS-$(CONFIG_AV1_VDPAU_HWACCEL)          += vdpau_av1.o
+OBJS-$(CONFIG_AV1_VIDEOTOOLBOX_HWACCEL)   += videotoolbox_av1.o
 OBJS-$(CONFIG_AV1_VULKAN_HWACCEL)         += vulkan_decode.o vulkan_av1.o
 OBJS-$(CONFIG_H263_VAAPI_HWACCEL)         += vaapi_mpeg4.o
 OBJS-$(CONFIG_H263_VIDEOTOOLBOX_HWACCEL)  += videotoolbox.o
diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index 1d5b9ef4f4..0fad09af74 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -541,6 +541,7 @@  static int get_pixel_format(AVCodecContext *avctx)
                      CONFIG_AV1_NVDEC_HWACCEL + \
                      CONFIG_AV1_VAAPI_HWACCEL + \
                      CONFIG_AV1_VDPAU_HWACCEL + \
+                     CONFIG_AV1_VIDEOTOOLBOX_HWACCEL + \
                      CONFIG_AV1_VULKAN_HWACCEL)
     enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
 
@@ -568,6 +569,9 @@  static int get_pixel_format(AVCodecContext *avctx)
 #if CONFIG_AV1_VDPAU_HWACCEL
         *fmtp++ = AV_PIX_FMT_VDPAU;
 #endif
+#if CONFIG_AV1_VIDEOTOOLBOX_HWACCEL
+        *fmtp++ = AV_PIX_FMT_VIDEOTOOLBOX;
+#endif
 #if CONFIG_AV1_VULKAN_HWACCEL
         *fmtp++ = AV_PIX_FMT_VULKAN;
 #endif
@@ -592,6 +596,9 @@  static int get_pixel_format(AVCodecContext *avctx)
 #if CONFIG_AV1_VDPAU_HWACCEL
         *fmtp++ = AV_PIX_FMT_VDPAU;
 #endif
+#if CONFIG_AV1_VIDEOTOOLBOX_HWACCEL
+        *fmtp++ = AV_PIX_FMT_VIDEOTOOLBOX;
+#endif
 #if CONFIG_AV1_VULKAN_HWACCEL
         *fmtp++ = AV_PIX_FMT_VULKAN;
 #endif
@@ -1594,6 +1601,9 @@  const FFCodec ff_av1_decoder = {
 #if CONFIG_AV1_VDPAU_HWACCEL
         HWACCEL_VDPAU(av1),
 #endif
+#if CONFIG_AV1_VIDEOTOOLBOX_HWACCEL
+        HWACCEL_VIDEOTOOLBOX(av1),
+#endif
 #if CONFIG_AV1_VULKAN_HWACCEL
         HWACCEL_VULKAN(av1),
 #endif
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 5171e4c7d7..2b9bdc8fc9 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -26,6 +26,7 @@  extern const struct FFHWAccel ff_av1_dxva2_hwaccel;
 extern const struct FFHWAccel ff_av1_nvdec_hwaccel;
 extern const struct FFHWAccel ff_av1_vaapi_hwaccel;
 extern const struct FFHWAccel ff_av1_vdpau_hwaccel;
+extern const struct FFHWAccel ff_av1_videotoolbox_hwaccel;
 extern const struct FFHWAccel ff_av1_vulkan_hwaccel;
 extern const struct FFHWAccel ff_h263_vaapi_hwaccel;
 extern const struct FFHWAccel ff_h263_videotoolbox_hwaccel;
diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c
index 3c6df8b4ab..90c1fbfb10 100644
--- a/libavcodec/videotoolbox.c
+++ b/libavcodec/videotoolbox.c
@@ -56,6 +56,10 @@  enum { kCMVideoCodecType_HEVC = 'hvc1' };
 enum { kCMVideoCodecType_VP9 = 'vp09' };
 #endif
 
+#if !HAVE_KCMVIDEOCODECTYPE_AV1
+enum { kCMVideoCodecType_AV1 = 'av01' };
+#endif
+
 #define VIDEOTOOLBOX_ESDS_EXTRADATA_PADDING  12
 
 typedef struct VTHWFrame {
@@ -92,6 +96,26 @@  int ff_videotoolbox_buffer_copy(VTContext *vtctx,
     return 0;
 }
 
+int ff_videotoolbox_buffer_append(VTContext *vtctx,
+                                 const uint8_t *buffer,
+                                 uint32_t size)
+{
+    void *tmp;
+
+    tmp = av_fast_realloc(vtctx->bitstream,
+                          &vtctx->allocated_size,
+                          vtctx->bitstream_size + size);
+
+    if (!tmp)
+        return AVERROR(ENOMEM);
+
+    vtctx->bitstream = tmp;
+    memcpy(vtctx->bitstream + vtctx->bitstream_size, buffer, size);
+    vtctx->bitstream_size += size;
+
+    return 0;
+}
+
 static int videotoolbox_postproc_frame(void *avctx, AVFrame *frame)
 {
     int ret;
@@ -846,6 +870,13 @@  static CFDictionaryRef videotoolbox_decoder_config_create(CMVideoCodecType codec
         if (data)
             CFDictionarySetValue(avc_info, CFSTR("vpcC"), data);
         break;
+#endif
+#if CONFIG_AV1_VIDEOTOOLBOX_HWACCEL
+    case kCMVideoCodecType_AV1 :
+        data = ff_videotoolbox_av1c_extradata_create(avctx);
+        if (data)
+            CFDictionarySetValue(avc_info, CFSTR("av1C"), data);
+        break;
 #endif
     default:
         break;
@@ -912,6 +943,9 @@  static int videotoolbox_start(AVCodecContext *avctx)
     case AV_CODEC_ID_VP9 :
         videotoolbox->cm_codec_type = kCMVideoCodecType_VP9;
         break;
+    case AV_CODEC_ID_AV1 :
+        videotoolbox->cm_codec_type = kCMVideoCodecType_AV1;
+        break;
     default :
         break;
     }
diff --git a/libavcodec/videotoolbox_av1.c b/libavcodec/videotoolbox_av1.c
new file mode 100644
index 0000000000..9ccf65bb25
--- /dev/null
+++ b/libavcodec/videotoolbox_av1.c
@@ -0,0 +1,112 @@ 
+/*
+ * Videotoolbox hardware acceleration for AV1
+ * Copyright (c) 2023 Jan Ekström
+ * Copyright (c) 2024 Ruslan Chernenko
+ *
+ * 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 "libavutil/mem.h"
+
+#include "av1dec.h"
+#include "hwaccel_internal.h"
+#include "internal.h"
+#include "vt_internal.h"
+
+CFDataRef ff_videotoolbox_av1c_extradata_create(AVCodecContext *avctx)
+{
+    AV1DecContext *s = avctx->priv_data;
+    uint8_t *buf;
+    CFDataRef data;
+    if (!s->raw_seq)
+        return NULL;
+
+    buf = av_malloc(s->seq_data_ref->size + 4);
+    if (!buf)
+        return NULL;
+    buf[0] = 0x81; // version and marker (constant)
+    buf[1] = s->raw_seq->seq_profile << 5 | s->raw_seq->seq_level_idx[0];
+    buf[2] = s->raw_seq->seq_tier[0]                << 7 |
+             s->raw_seq->color_config.high_bitdepth << 6 |
+             s->raw_seq->color_config.twelve_bit    << 5 |
+             s->raw_seq->color_config.mono_chrome   << 4 |
+             s->raw_seq->color_config.subsampling_x << 3 |
+             s->raw_seq->color_config.subsampling_y << 2 |
+             s->raw_seq->color_config.chroma_sample_position;
+
+    if (s->raw_seq->initial_display_delay_present_flag)
+        buf[3] = 0 << 5 |
+                 s->raw_seq->initial_display_delay_present_flag << 4 |
+                 s->raw_seq->initial_display_delay_minus_1[0];
+    else
+        buf[3] = 0x00;
+    memcpy(buf + 4, s->seq_data_ref->data, s->seq_data_ref->size);
+    data = CFDataCreate(kCFAllocatorDefault, buf, s->seq_data_ref->size + 4);
+    av_free(buf);
+    return data;
+};
+
+
+static int videotoolbox_av1_decode_params(AVCodecContext *avctx,
+                                         int header_type,
+                                         const uint8_t *buffer,
+                                         uint32_t size)
+{
+    VTContext *vtctx = avctx->internal->hwaccel_priv_data;
+    return ff_videotoolbox_buffer_append(vtctx, buffer, size);
+}
+
+static int videotoolbox_av1_start_frame(AVCodecContext *avctx,
+                                        const uint8_t *buffer,
+                                        uint32_t size)
+{
+    VTContext *vtctx = avctx->internal->hwaccel_priv_data;
+    return ff_videotoolbox_buffer_append(vtctx, buffer, size);
+}
+
+static int videotoolbox_av1_decode_slice(AVCodecContext *avctx,
+                                         const uint8_t *buffer,
+                                         uint32_t size)
+{
+    return 0;
+}
+
+static int videotoolbox_av1_end_frame(AVCodecContext *avctx)
+{
+    const AV1DecContext *s = avctx->priv_data;
+    VTContext *vtctx = avctx->internal->hwaccel_priv_data;
+    AVFrame *frame = s->cur_frame.f;
+    int ret = ff_videotoolbox_common_end_frame(avctx, frame);
+    vtctx->bitstream_size = 0;
+    return ret;
+}
+
+const FFHWAccel ff_av1_videotoolbox_hwaccel = {
+    .p.name         = "av1_videotoolbox",
+    .p.type         = AVMEDIA_TYPE_VIDEO,
+    .p.id           = AV_CODEC_ID_AV1,
+    .p.pix_fmt      = AV_PIX_FMT_VIDEOTOOLBOX,
+    .alloc_frame    = ff_videotoolbox_alloc_frame,
+    .decode_params  = videotoolbox_av1_decode_params,
+    .start_frame    = videotoolbox_av1_start_frame,
+    .decode_slice   = videotoolbox_av1_decode_slice,
+    .end_frame      = videotoolbox_av1_end_frame,
+    .frame_params   = ff_videotoolbox_frame_params,
+    .init           = ff_videotoolbox_common_init,
+    .uninit         = ff_videotoolbox_uninit,
+    .priv_data_size = sizeof(VTContext),
+};
diff --git a/libavcodec/vt_internal.h b/libavcodec/vt_internal.h
index 9502d7c7dc..effa96fc15 100644
--- a/libavcodec/vt_internal.h
+++ b/libavcodec/vt_internal.h
@@ -56,6 +56,9 @@  int ff_videotoolbox_frame_params(AVCodecContext *avctx,
 int ff_videotoolbox_buffer_copy(VTContext *vtctx,
                                 const uint8_t *buffer,
                                 uint32_t size);
+int ff_videotoolbox_buffer_append(VTContext *vtctx,
+                                  const uint8_t *buffer,
+                                  uint32_t size);
 int ff_videotoolbox_uninit(AVCodecContext *avctx);
 int ff_videotoolbox_h264_start_frame(AVCodecContext *avctx,
                                      const uint8_t *buffer,
@@ -64,6 +67,7 @@  int ff_videotoolbox_h264_decode_slice(AVCodecContext *avctx,
                                       const uint8_t *buffer,
                                       uint32_t size);
 int ff_videotoolbox_common_end_frame(AVCodecContext *avctx, AVFrame *frame);
+CFDataRef ff_videotoolbox_av1c_extradata_create(AVCodecContext *avctx);
 CFDataRef ff_videotoolbox_avcc_extradata_create(AVCodecContext *avctx);
 CFDataRef ff_videotoolbox_hvcc_extradata_create(AVCodecContext *avctx);
 CFDataRef ff_videotoolbox_vpcc_extradata_create(AVCodecContext *avctx);