[FFmpeg-devel] [PATCH] rtp enc/dec update for vvc
ftaft2000
ftaft2000 at msn.com
Fri Jun 14 05:17:36 EEST 2024
Signed-off-by: shiqifeng <shiqifeng at boe.com.cn>
---
.gitignore | 1 +
configure | 4 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/libvvenc.c | 566 +++++++++++++++++++++++++++++++++
libavformat/Makefile | 1 +
libavformat/rtpdec.c | 1 +
libavformat/rtpdec_formats.h | 1 +
libavformat/rtpdec_vvc.c | 349 ++++++++++++++++++++
libavformat/rtpenc.c | 2 +
libavformat/rtpenc_h264_hevc.c | 94 +++++-
libavformat/sdp.c | 182 +++++++++++
12 files changed, 1197 insertions(+), 6 deletions(-)
create mode 100644 libavcodec/libvvenc.c
create mode 100644 libavformat/rtpdec_vvc.c
diff --git a/.gitignore b/.gitignore
index e810d11107..d7441a6cdc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,3 +41,4 @@
/src
/mapfile
/tools/python/__pycache__/
+/build
\ No newline at end of file
diff --git a/configure b/configure
index 83284427df..d331688eb4 100755
--- a/configure
+++ b/configure
@@ -296,6 +296,7 @@ External library support:
--enable-libwebp enable WebP encoding via libwebp [no]
--enable-libx264 enable H.264 encoding via x264 [no]
--enable-libx265 enable HEVC encoding via x265 [no]
+ --enable-libvvenc enable H.266/VVC encoding via vvenc [no]
--enable-libxeve enable EVC encoding via libxeve [no]
--enable-libxevd enable EVC decoding via libxevd [no]
--enable-libxavs enable AVS encoding via xavs [no]
@@ -1867,6 +1868,7 @@ EXTERNAL_LIBRARY_GPL_LIST="
libvidstab
libx264
libx265
+ libvvenc
libxavs
libxavs2
libxvid
@@ -3569,6 +3571,7 @@ libx264rgb_encoder_deps="libx264"
libx264rgb_encoder_select="libx264_encoder"
libx265_encoder_deps="libx265"
libx265_encoder_select="atsc_a53 dovi_rpuenc"
+libvvenc_encoder_deps="libvvenc"
libxavs_encoder_deps="libxavs"
libxavs2_encoder_deps="libxavs2"
libxevd_decoder_deps="libxevd"
@@ -7041,6 +7044,7 @@ enabled libx264 && require_pkg_config
libx264 x264 "stdint.h x264.h" x
check_cpp_condition libx262 x264.h
"X264_MPEG2"
enabled libx265 && require_pkg_config libx265 x265 x265.h
x265_api_get &&
require_cpp_condition libx265 x265.h
"X265_BUILD >= 89"
+enabled libvvenc && require_pkg_config libvvenc "libvvenc >=
1.6.1" "vvenc/vvenc.h" vvenc_get_version
enabled libxavs && require libxavs "stdint.h xavs.h"
xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
enabled libxavs2 && require_pkg_config libxavs2 "xavs2 >=
1.3.0" "stdint.h xavs2.h" xavs2_api_get
enabled libxevd && require_pkg_config libxevd "xevd >=
0.4.1" "xevd.h" xevd_decode
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 1a44352906..2e98e1c72f 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1155,6 +1155,7 @@ OBJS-$(CONFIG_LIBWEBP_ANIM_ENCODER) +=
libwebpenc_common.o libwebpenc_anim
OBJS-$(CONFIG_LIBX262_ENCODER) += libx264.o
OBJS-$(CONFIG_LIBX264_ENCODER) += libx264.o
OBJS-$(CONFIG_LIBX265_ENCODER) += libx265.o
+OBJS-$(CONFIG_LIBVVENC_ENCODER) += libvvenc.o
OBJS-$(CONFIG_LIBXAVS_ENCODER) += libxavs.o
OBJS-$(CONFIG_LIBXAVS2_ENCODER) += libxavs2.o
OBJS-$(CONFIG_LIBXEVD_DECODER) += libxevd.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index b102a8069e..7650abebe4 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -807,6 +807,7 @@ extern const FFCodec ff_libx262_encoder;
extern const FFCodec ff_libx264_encoder;
extern const FFCodec ff_libx264rgb_encoder;
extern FFCodec ff_libx265_encoder;
+extern const FFCodec ff_libvvenc_encoder;
extern const FFCodec ff_libxeve_encoder;
extern const FFCodec ff_libxevd_decoder;
extern const FFCodec ff_libxavs_encoder;
diff --git a/libavcodec/libvvenc.c b/libavcodec/libvvenc.c
new file mode 100644
index 0000000000..78d4f55a2a
--- /dev/null
+++ b/libavcodec/libvvenc.c
@@ -0,0 +1,566 @@
+/*
+ * H.266 encoding using the VVenC library
+ *
+ * Copyright (C) 2022, Thomas Siedel
+ *
+ * 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 "config_components.h"
+
+#include <vvenc/vvenc.h>
+#include <vvenc/vvencCfg.h>
+#include <vvenc/version.h>
+
+#include "avcodec.h"
+#include "codec_internal.h"
+#include "encode.h"
+#include "internal.h"
+#include "packet_internal.h"
+#include "profiles.h"
+
+#include "libavutil/avutil.h"
+#include "libavutil/mem.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/opt.h"
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/frame.h"
+#include "libavutil/log.h"
+
+typedef struct VVenCOptions {
+ int preset; // preset 0: faster 4: slower
+ int qp; // quantization parameter 0-63
+ int subjectiveOptimization; // perceptually motivated QP
adaptation, XPSNR based
+ int flag8bitCoding; // encode in 8bit instead of 10bit
+ int intraRefreshSec; // intra period/refresh in seconds
+ int levelIdc; // vvc level_idc
+ int tier; // vvc tier
+ AVDictionary *vvenc_opts;
+} VVenCOptions;
+
+typedef struct VVenCContext {
+ AVClass *av_class;
+ VVenCOptions options; // encoder options
+ vvencEncoder *vvencEnc;
+ vvencAccessUnit *pAU;
+ bool encodeDone;
+} VVenCContext;
+
+
+static av_cold void ff_vvenc_log_callback(void *ctx, int level,
+ const char *fmt, va_list args)
+{
+ vvenc_config params;
+ vvencEncoder *vvencEnc = (vvencEncoder *)ctx;
+ if (vvencEnc){
+ vvenc_config_default(¶ms);
+ vvenc_get_config(vvencEnc, ¶ms);
+ if ((int)params.m_verbosity >= level)
+ vfprintf(level == 1 ? stderr : stdout, fmt, args);
+ }
+}
+
+static void ff_vvenc_set_verbository(vvenc_config* params )
+{
+ params->m_verbosity = VVENC_VERBOSE;
+ if (av_log_get_level() >= AV_LOG_DEBUG)
+ params->m_verbosity = VVENC_DETAILS;
+ else if (av_log_get_level() >= AV_LOG_VERBOSE)
+ params->m_verbosity = VVENC_NOTICE; // output per picture info
+ else if (av_log_get_level() >= AV_LOG_INFO)
+ params->m_verbosity = VVENC_WARNING; // ffmpeg default
ffmpeg loglevel
+ else
+ params->m_verbosity = VVENC_SILENT;
+}
+
+static int ff_vvenc_set_pic_format(AVCodecContext *avctx, vvenc_config*
params )
+{
+ VVenCContext *s =(VVenCContext *) avctx->priv_data;
+
+ params->m_internChromaFormat = VVENC_CHROMA_420;
+ params->m_inputBitDepth[0] = 10;
+
+ if (avctx->pix_fmt != AV_PIX_FMT_YUV420P10LE){
+ av_log(avctx, AV_LOG_ERROR,
+ "unsupported pixel format %s, currently only support for
yuv420p10le\n",
+ av_get_pix_fmt_name(avctx->pix_fmt));
+ return AVERROR(EINVAL);
+ }
+
+ if (s->options.flag8bitCoding) {
+#if VVENC_VERSION_MAJOR > 1 || (VVENC_VERSION_MAJOR == 1 &&
VVENC_VERSION_MINOR > 9) || (VVENC_VERSION_MAJOR == 1 &&
VVENC_VERSION_MINOR >= 9 && VVENC_VERSION_PATCH >= 1)
+ params->m_internalBitDepth[0] = 8;
+#else
+ av_log(avctx, AV_LOG_ERROR,
+ "unsupported 8bit coding mode. 8bit coding needs at
least vvenc version >= 1.9.1 "
+ "(current version %s)\n", vvenc_get_version() );
+ return AVERROR(EINVAL);
+#endif
+ }
+ return 0;
+}
+
+static void ff_vvenc_set_color_format(AVCodecContext *avctx,
vvenc_config* params )
+{
+ if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
+ params->m_colourPrimaries = (int) avctx->color_primaries;
+ if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
+ params->m_matrixCoefficients = (int) avctx->colorspace;
+ if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED) {
+ params->m_transferCharacteristics = (int) avctx->color_trc;
+
+ if (avctx->color_trc == AVCOL_TRC_SMPTE2084)
+ params->m_HdrMode = (avctx->color_primaries ==
AVCOL_PRI_BT2020) ?
+ VVENC_HDR_PQ_BT2020 : VVENC_HDR_PQ;
+ else if (avctx->color_trc == AVCOL_TRC_BT2020_10
+ || avctx->color_trc == AVCOL_TRC_ARIB_STD_B67)
+ params->m_HdrMode = (avctx->color_trc == AVCOL_TRC_BT2020_10 ||
+ avctx->color_primaries ==
AVCOL_PRI_BT2020 ||
+ avctx->colorspace ==
AVCOL_SPC_BT2020_NCL ||
+ avctx->colorspace == AVCOL_SPC_BT2020_CL) ?
+ VVENC_HDR_HLG_BT2020 : VVENC_HDR_HLG;
+ }
+
+ if (params->m_HdrMode == VVENC_HDR_OFF
+ && (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED
+ || avctx->colorspace != AVCOL_SPC_UNSPECIFIED)) {
+ params->m_vuiParametersPresent = 1;
+ params->m_colourDescriptionPresent = true;
+ }
+}
+
+static void ff_vvenc_set_framerate(AVCodecContext *avctx, vvenc_config*
params )
+{
+ params->m_FrameRate = avctx->time_base.den;
+ params->m_FrameScale = avctx->time_base.num;
+
+FF_DISABLE_DEPRECATION_WARNINGS
+
+#if FF_API_TICKS_PER_FRAME
+ if (avctx->ticks_per_frame == 1) {
+#endif
+ params->m_TicksPerSecond = -1; // auto mode for ticks per
frame = 1
+#if FF_API_TICKS_PER_FRAME
+ } else {
+ params->m_TicksPerSecond =
+ ceil((avctx->time_base.den / (double) avctx->time_base.num) *
+ (double) avctx->ticks_per_frame);
+ }
+#endif
+FF_ENABLE_DEPRECATION_WARNINGS
+}
+
+static int ff_vvenc_parse_vvenc_params(AVCodecContext *avctx,
vvenc_config* params, char* statsfile )
+{
+ int parse_ret, ret;
+ VVenCContext *s;
+ AVDictionaryEntry *en = NULL;
+ s =(VVenCContext *) avctx->priv_data;
+ ret = 0;
+
+ while ((en = av_dict_get(s->options.vvenc_opts, "", en,
+ AV_DICT_IGNORE_SUFFIX))) {
+ av_log(avctx, AV_LOG_DEBUG, "vvenc_set_param: '%s:%s'\n", en->key,
+ en->value);
+ parse_ret = vvenc_set_param(params, en->key, en->value);
+ switch (parse_ret) {
+ case VVENC_PARAM_BAD_NAME:
+ av_log(avctx, AV_LOG_ERROR, "Unknown vvenc option: %s.\n",
+ en->key);
+ ret = AVERROR(EINVAL);
+ break;
+ case VVENC_PARAM_BAD_VALUE:
+ av_log(avctx, AV_LOG_ERROR,
+ "Invalid vvenc value for %s: %s.\n", en->key,
en->value);
+ ret = AVERROR(EINVAL);
+ break;
+ default:
+ break;
+ }
+
+ if (memcmp(en->key, "rcstatsfile", 11) == 0 ||
+ memcmp(en->key, "RCStatsFile", 11) == 0) {
+ strncpy(statsfile, en->value, strlen(statsfile));
+ statsfile[strlen(statsfile)] = '\0';
+ }
+ }
+ return ret;
+}
+
+static int ff_vvenc_set_rc_mode(AVCodecContext *avctx, vvenc_config*
params)
+{
+ if (params->m_RCPass != -1 && params->m_RCNumPasses == 1)
+ params->m_RCNumPasses = 2; /* enable 2pass mode */
+
+ if(avctx->rc_max_rate) {
+#if VVENC_VERSION_MAJOR > 1 || (VVENC_VERSION_MAJOR == 1 &&
VVENC_VERSION_MINOR > 8)
+ params->m_RCMaxBitrate = avctx->rc_max_rate;
+#endif
+
+#if VVENC_VERSION_MAJOR == 1 && VVENC_VERSION_MINOR < 11
+ /* rc_max_rate without a bit_rate enables capped CQF mode.
+ (QP + subj. optimization + max. bitrate) */
+ if(!avctx->bit_rate) {
+ av_log( avctx, AV_LOG_ERROR,
+ "Capped Constant Quality Factor mode (capped CQF) needs
at "
+ "least vvenc version >= 1.11.0 (current version %s)\n",
+ vvenc_get_version());
+ return AVERROR(EINVAL);
+ }
+#endif
+ }
+ return 0;
+}
+
+static int ff_vvenc_init_extradata(AVCodecContext *avctx, VVenCContext *s)
+{
+ int ret;
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
+ ret = vvenc_get_headers(s->vvencEnc, s->pAU);
+ if (0 != ret) {
+ av_log(avctx, AV_LOG_ERROR,
+ "cannot get headers (SPS,PPS) from vvc
encoder(vvenc): %s\n",
+ vvenc_get_last_error(s->vvencEnc));
+ vvenc_encoder_close(s->vvencEnc);
+ return AVERROR(EINVAL);
+ }
+
+ if (s->pAU->payloadUsedSize <= 0) {
+ vvenc_encoder_close(s->vvencEnc);
+ return AVERROR_INVALIDDATA;
+ }
+
+ avctx->extradata_size = s->pAU->payloadUsedSize;
+ avctx->extradata =
+ av_mallocz(avctx->extradata_size +
AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!avctx->extradata) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Cannot allocate VVC header of size %d.\n",
+ avctx->extradata_size);
+ vvenc_encoder_close(s->vvencEnc);
+ return AVERROR(ENOMEM);
+ }
+
+ memcpy(avctx->extradata, s->pAU->payload, avctx->extradata_size);
+ memset(avctx->extradata + avctx->extradata_size, 0,
+ AV_INPUT_BUFFER_PADDING_SIZE);
+ }
+ return 0;
+}
+
+static av_cold int ff_vvenc_encode_init(AVCodecContext *avctx)
+{
+ int ret;
+ int framerate, qp;
+ VVenCContext *s;
+ vvenc_config params;
+ vvencPresetMode preset;
+ char statsfile[1024] = "vvenc-rcstats.json";
+
+ s = (VVenCContext *) avctx->priv_data;
+ qp = s->options.qp;
+ preset = (vvencPresetMode) s->options.preset;
+
+ if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
+ av_log(avctx, AV_LOG_ERROR,
+ "ff_vvenc_encode_init::init() interlaced encoding not
supported yet\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ vvenc_config_default(¶ms);
+
+ framerate = avctx->time_base.den / avctx->time_base.num;
+ vvenc_init_default(¶ms, avctx->width, avctx->height, framerate,
+ (qp >= 0) ? 0 : avctx->bit_rate, (qp < 0) ? 32 :
qp, preset);
+
+ ff_vvenc_set_verbository(¶ms);
+
+ if (avctx->thread_count > 0)
+ params.m_numThreads = avctx->thread_count;
+
+ /* GOP settings (IDR/CRA) */
+ if (avctx->flags & AV_CODEC_FLAG_CLOSED_GOP)
+ params.m_DecodingRefreshType = VVENC_DRT_IDR;
+
+ if (avctx->gop_size == 1) {
+ params.m_GOPSize = 1;
+ params.m_IntraPeriod = 1;
+ } else {
+ params.m_IntraPeriodSec = s->options.intraRefreshSec;
+ }
+
+ params.m_AccessUnitDelimiter = true;
+ params.m_RCNumPasses = 1;
+
+ params.m_usePerceptQPA = s->options.subjectiveOptimization;
+ params.m_level = (vvencLevel) s->options.levelIdc;
+ params.m_levelTier = (vvencTier) s->options.tier;
+
+ ff_vvenc_set_framerate(avctx, ¶ms);
+
+ ret = ff_vvenc_set_pic_format(avctx, ¶ms);
+ if( ret != 0 )
+ return ret;
+
+ ff_vvenc_set_color_format(avctx, ¶ms);
+
+ ret = ff_vvenc_parse_vvenc_params(avctx, ¶ms, &statsfile[0]);
+ if( ret != 0 )
+ return ret;
+
+
+ ret = ff_vvenc_set_rc_mode(avctx, ¶ms);
+ if( ret != 0 )
+ return ret;
+
+ s->vvencEnc = vvenc_encoder_create();
+ if (NULL == s->vvencEnc) {
+ av_log(avctx, AV_LOG_ERROR, "cannot create vvc encoder (vvenc)\n");
+ return AVERROR(ENOMEM);
+ }
+
+ vvenc_set_msg_callback(¶ms, s->vvencEnc, ff_vvenc_log_callback);
+ ret = vvenc_encoder_open(s->vvencEnc, ¶ms);
+ if (0 != ret) {
+ av_log(avctx, AV_LOG_ERROR, "cannot open vvc encoder (vvenc):
%s\n",
+ vvenc_get_last_error(s->vvencEnc));
+ vvenc_encoder_close(s->vvencEnc);
+ return AVERROR(EINVAL);
+ }
+
+ vvenc_get_config(s->vvencEnc, ¶ms); /* get the adapted
config */
+
+ av_log(avctx, av_log_get_level(), "vvenc version: %s\n",
vvenc_get_version());
+ av_log(avctx, av_log_get_level(), "%s\n",
+ vvenc_get_config_as_string(¶ms, params.m_verbosity));
+
+ if (params.m_RCNumPasses == 2) {
+ ret = vvenc_init_pass(s->vvencEnc, params.m_RCPass - 1,
&statsfile[0]);
+ if (0 != ret) {
+ av_log(avctx, AV_LOG_ERROR,
+ "cannot init pass %d for vvc encoder (vvenc): %s\n",
+ params.m_RCPass, vvenc_get_last_error(s->vvencEnc));
+ vvenc_encoder_close(s->vvencEnc);
+ return AVERROR(EINVAL);
+ }
+ }
+
+ s->pAU = vvenc_accessUnit_alloc();
+ if( !s->pAU ){
+ av_log(avctx, AV_LOG_FATAL, "cannot allocate memory for AU
payload\n");
+ return AVERROR(ENOMEM);
+ }
+ vvenc_accessUnit_alloc_payload(s->pAU, avctx->width * avctx->height);
+ if( !s->pAU ){
+ av_log(avctx, AV_LOG_FATAL, "cannot allocate payload memory of
size %d\n",
+ avctx->width * avctx->height );
+ return AVERROR(ENOMEM);
+ }
+
+ ret = ff_vvenc_init_extradata(avctx, s);
+ if( ret != 0 )
+ return ret;
+
+ s->encodeDone = false;
+ return 0;
+}
+
+static av_cold int ff_vvenc_encode_close(AVCodecContext * avctx)
+{
+ VVenCContext *s = (VVenCContext *) avctx->priv_data;
+ if (s->vvencEnc) {
+ if (av_log_get_level() >= AV_LOG_VERBOSE)
+ vvenc_print_summary(s->vvencEnc);
+
+ if (0 != vvenc_encoder_close(s->vvencEnc)) {
+ av_log(avctx, AV_LOG_ERROR, "cannot close vvenc\n");
+ return -1;
+ }
+ }
+
+ vvenc_accessUnit_free(s->pAU, true);
+
+ return 0;
+}
+
+static av_cold int ff_vvenc_encode_frame(AVCodecContext *avctx,
AVPacket *pkt,
+ const AVFrame *frame, int
*got_packet)
+{
+ VVenCContext *s = (VVenCContext *) avctx->priv_data;
+ vvencYUVBuffer *pyuvbuf;
+ vvencYUVBuffer yuvbuf;
+ int pict_type;
+ int ret;
+
+ pyuvbuf = NULL;
+ if (frame) {
+ if (avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE) {
+ vvenc_YUVBuffer_default(&yuvbuf);
+ yuvbuf.planes[0].ptr = (int16_t *) frame->data[0];
+ yuvbuf.planes[1].ptr = (int16_t *) frame->data[1];
+ yuvbuf.planes[2].ptr = (int16_t *) frame->data[2];
+
+ yuvbuf.planes[0].width = frame->width;
+ yuvbuf.planes[0].height = frame->height;
+ /* stride is used in 16bitsamples (16bit) in vvenc, ffmpeg
uses stride in bytes */
+ yuvbuf.planes[0].stride = frame->linesize[0] >> 1;
+
+ yuvbuf.planes[1].width = frame->width >> 1;
+ yuvbuf.planes[1].height = frame->height >> 1;
+ yuvbuf.planes[1].stride = frame->linesize[1] >> 1;
+
+ yuvbuf.planes[2].width = frame->width >> 1;
+ yuvbuf.planes[2].height = frame->height >> 1;
+ yuvbuf.planes[2].stride = frame->linesize[2] >> 1;
+
+ yuvbuf.cts = frame->pts;
+ yuvbuf.ctsValid = true;
+ pyuvbuf = &yuvbuf;
+ } else {
+ av_log(avctx, AV_LOG_ERROR,
+ "unsupported input colorspace! input must be
yuv420p10le");
+ return AVERROR(EINVAL);
+ }
+ }
+
+ if (!s->encodeDone) {
+ ret = vvenc_encode(s->vvencEnc, pyuvbuf, s->pAU, &s->encodeDone);
+ if (ret != 0) {
+ av_log(avctx, AV_LOG_ERROR, "error in vvenc::encode -
ret:%d\n",
+ ret);
+ return AVERROR(EINVAL);
+ }
+ } else {
+ *got_packet = 0;
+ return 0;
+ }
+
+ if (s->pAU->payloadUsedSize > 0) {
+ ret = ff_get_encode_buffer(avctx, pkt, s->pAU->payloadUsedSize, 0);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+ return ret;
+ }
+
+ memcpy(pkt->data, s->pAU->payload, s->pAU->payloadUsedSize);
+
+ if (s->pAU->ctsValid)
+ pkt->pts = s->pAU->cts;
+ if (s->pAU->dtsValid)
+ pkt->dts = s->pAU->dts;
+ pkt->flags |= AV_PKT_FLAG_KEY * s->pAU->rap;
+
+ switch (s->pAU->sliceType) {
+ case VVENC_I_SLICE:
+ pict_type = AV_PICTURE_TYPE_I;
+ break;
+ case VVENC_P_SLICE:
+ pict_type = AV_PICTURE_TYPE_P;
+ break;
+ case VVENC_B_SLICE:
+ pict_type = AV_PICTURE_TYPE_B;
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Unknown picture type
encountered.\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ ff_side_data_set_encoder_stats(pkt, 0, NULL, 0, pict_type);
+
+ *got_packet = 1;
+
+ return 0;
+ } else {
+ *got_packet = 0;
+ return 0;
+ }
+
+ return 0;
+}
+
+static const enum AVPixelFormat pix_fmts_vvenc[] = {
+ AV_PIX_FMT_YUV420P10LE,
+ AV_PIX_FMT_NONE
+};
+
+#define OFFSET(x) offsetof(VVenCContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption libvvenc_options[] = {
+ {"preset", "set encoding preset(0: faster - 4: slower", OFFSET(
options.preset), AV_OPT_TYPE_INT, {.i64 = 2} , 0 , 4 , VE, "preset"},
+ { "faster", "0", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_FASTER},
INT_MIN, INT_MAX, VE, "preset" },
+ { "fast", "1", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_FAST},
INT_MIN, INT_MAX, VE, "preset" },
+ { "medium", "2", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_MEDIUM},
INT_MIN, INT_MAX, VE, "preset" },
+ { "slow", "3", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_SLOW},
INT_MIN, INT_MAX, VE, "preset" },
+ { "slower", "4", 0, AV_OPT_TYPE_CONST, {.i64 = VVENC_SLOWER},
INT_MIN, INT_MAX, VE, "preset" },
+ { "qp" , "set quantization", OFFSET(options.qp),
AV_OPT_TYPE_INT, {.i64 = -1}, -1 , 63 ,VE, "qp_mode" },
+ { "period" , "set (intra) refresh period in seconds",
OFFSET(options.intraRefreshSec), AV_OPT_TYPE_INT, {.i64 = 1}, 1 ,
INT_MAX ,VE,"irefreshsec" },
+ { "subjopt", "set subjective (perceptually motivated)
optimization", OFFSET(options.subjectiveOptimization), AV_OPT_TYPE_BOOL,
{.i64 = 1}, 0 , 1, VE},
+ { "bitdepth8", "set 8bit coding mode",
OFFSET(options.flag8bitCoding), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0 , 1, VE},
+ { "vvenc-params", "set the vvenc configuration using a :-separated
list of key=value parameters", OFFSET(options.vvenc_opts),
AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
+ { "levelidc", "vvc level_idc", OFFSET( options.levelIdc),
AV_OPT_TYPE_INT, {.i64 = 0}, 0, 105, VE, "levelidc"},
+ { "0", "auto", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "1", "1" , 0, AV_OPT_TYPE_CONST, {.i64 = 16}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "2", "2" , 0, AV_OPT_TYPE_CONST, {.i64 = 32}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "2.1", "2.1" , 0, AV_OPT_TYPE_CONST, {.i64 = 35}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "3", "3" , 0, AV_OPT_TYPE_CONST, {.i64 = 48}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "3.1", "3.1" , 0, AV_OPT_TYPE_CONST, {.i64 = 51}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "4", "4" , 0, AV_OPT_TYPE_CONST, {.i64 = 64}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "4.1", "4.1" , 0, AV_OPT_TYPE_CONST, {.i64 = 67}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "5", "5" , 0, AV_OPT_TYPE_CONST, {.i64 = 80}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "5.1", "5.1" , 0, AV_OPT_TYPE_CONST, {.i64 = 83}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "5.2", "5.2" , 0, AV_OPT_TYPE_CONST, {.i64 = 86}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "6", "6" , 0, AV_OPT_TYPE_CONST, {.i64 = 96}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "6.1", "6.1" , 0, AV_OPT_TYPE_CONST, {.i64 = 99}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "6.2", "6.2" , 0, AV_OPT_TYPE_CONST, {.i64 = 102}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "6.3", "6.3" , 0, AV_OPT_TYPE_CONST, {.i64 = 105}, INT_MIN,
INT_MAX, VE, "levelidc"},
+ { "tier", "set vvc tier", OFFSET( options.tier), AV_OPT_TYPE_INT,
{.i64 = 0}, 0 , 1 , VE, "tier"},
+ { "main", "main", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN,
INT_MAX, VE, "tier"},
+ { "high", "high", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, INT_MIN,
INT_MAX, VE, "tier"},
+ {NULL}
+};
+
+static const AVClass class_libvvenc = {
+ .class_name = "libvvenc-vvc encoder",
+ .item_name = av_default_item_name,
+ .option = libvvenc_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const FFCodecDefault vvenc_defaults[] = {
+ { "b", "0" },
+ { "g", "-1" },
+ { NULL },
+};
+
+FFCodec ff_libvvenc_encoder = {
+ .p.name = "libvvenc",
+ CODEC_LONG_NAME("H.266 / VVC Encoder VVenC"),
+ .p.type = AVMEDIA_TYPE_VIDEO,
+ .p.id = AV_CODEC_ID_VVC,
+ .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_OTHER_THREADS,
+ .p.profiles = NULL_IF_CONFIG_SMALL(ff_vvc_profiles),
+ .p.priv_class = &class_libvvenc,
+ .p.wrapper_name = "libvvenc",
+ .priv_data_size = sizeof(VVenCContext),
+ .p.pix_fmts = pix_fmts_vvenc,
+ .init = ff_vvenc_encode_init,
+ FF_CODEC_ENCODE_CB(ff_vvenc_encode_frame),
+ .close = ff_vvenc_encode_close,
+ .defaults = vvenc_defaults,
+ .caps_internal = FF_CODEC_CAP_AUTO_THREADS,
+};
diff --git a/libavformat/Makefile b/libavformat/Makefile
index af31d6f795..7f6db3d6d6 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -54,6 +54,7 @@ OBJS-$(CONFIG_RTPDEC) += rdt.o
\
rtpdec_h263_rfc2190.o \
rtpdec_h264.o \
rtpdec_hevc.o \
+ rtpdec_vvc.o \
rtpdec_ilbc.o \
rtpdec_jpeg.o \
rtpdec_latm.o \
diff --git a/libavformat/rtpdec.c b/libavformat/rtpdec.c
index 729bf83685..34ef92a2a0 100644
--- a/libavformat/rtpdec.c
+++ b/libavformat/rtpdec.c
@@ -98,6 +98,7 @@ static const RTPDynamicProtocolHandler *const
rtp_dynamic_protocol_handler_list[
&ff_h263_rfc2190_dynamic_handler,
&ff_h264_dynamic_handler,
&ff_hevc_dynamic_handler,
+ &ff_vvc_dynamic_handler,
&ff_ilbc_dynamic_handler,
&ff_jpeg_dynamic_handler,
&ff_mp4a_latm_dynamic_handler,
diff --git a/libavformat/rtpdec_formats.h b/libavformat/rtpdec_formats.h
index dad2b8ac1b..af2e17fb99 100644
--- a/libavformat/rtpdec_formats.h
+++ b/libavformat/rtpdec_formats.h
@@ -65,6 +65,7 @@ extern const RTPDynamicProtocolHandler
ff_h263_2000_dynamic_handler;
extern const RTPDynamicProtocolHandler ff_h263_rfc2190_dynamic_handler;
extern const RTPDynamicProtocolHandler ff_h264_dynamic_handler;
extern const RTPDynamicProtocolHandler ff_hevc_dynamic_handler;
+extern const RTPDynamicProtocolHandler ff_vvc_dynamic_handler;
extern const RTPDynamicProtocolHandler ff_ilbc_dynamic_handler;
extern const RTPDynamicProtocolHandler ff_jpeg_dynamic_handler;
extern const RTPDynamicProtocolHandler ff_mp4a_latm_dynamic_handler;
diff --git a/libavformat/rtpdec_vvc.c b/libavformat/rtpdec_vvc.c
new file mode 100644
index 0000000000..86f0182b01
--- /dev/null
+++ b/libavformat/rtpdec_vvc.c
@@ -0,0 +1,349 @@
+/*
+ * RTP parser for VVC/H.266 payload format (draft version 0.1)
+ * Copyright (c) 2024 RobinShi <shiqifeng at gmail.com>
+ *
+ * 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/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/mem.h"
+
+#include "avformat.h"
+#include "internal.h"
+#include "rtpdec.h"
+#include "rtpdec_formats.h"
+
+#define RTP_VVC_PAYLOAD_HEADER_SIZE 2
+#define RTP_VVC_FU_HEADER_SIZE 1
+#define RTP_VVC_DONL_FIELD_SIZE 2
+#define RTP_VVC_DOND_FIELD_SIZE 1
+#define RTP_VVC_AP_NALU_LENGTH_FIELD_SIZE 2
+#define VVC_SPECIFIED_NAL_UNIT_TYPES 28
+
+/* SDP out-of-band signaling data */
+struct PayloadContext {
+ int using_donl_field;
+ int profile_id;
+ uint8_t *sps, *pps, *vps, *sei;
+ int sps_size, pps_size, vps_size, sei_size;
+};
+
+static const uint8_t start_sequence[] = { 0x00, 0x00, 0x00, 0x01 };
+
+static av_cold int vvc_sdp_parse_fmtp_config(AVFormatContext *s,
+ AVStream *stream,
+ PayloadContext *vvc_data,
+ const char *attr, const
char *value)
+{
+ /* profile-space: 0-3 */
+ /* profile-id: 0-31 */
+ if (!strcmp(attr, "profile-id")) {
+ vvc_data->profile_id = atoi(value);
+ av_log(s, AV_LOG_TRACE, "SDP: found profile-id: %d\n",
vvc_data->profile_id);
+ }
+
+ /* tier-flag: 0-1 */
+ /* level-id: 0-255 */
+ /* interop-constraints: [base16] */
+ /* profile-compatibility-indicator: [base16] */
+ /* sprop-sub-layer-id: 0-6, defines highest possible value for TID,
default: 6 */
+ /* recv-sub-layer-id: 0-6 */
+ /* max-recv-level-id: 0-255 */
+ /* tx-mode: MSM,SSM */
+ /* sprop-vps: [base64] */
+ /* sprop-sps: [base64] */
+ /* sprop-pps: [base64] */
+ /* sprop-sei: [base64] */
+ if (!strcmp(attr, "sprop-vps") || !strcmp(attr, "sprop-sps") ||
+ !strcmp(attr, "sprop-pps") || !strcmp(attr, "sprop-sei")) {
+ uint8_t **data_ptr = NULL;
+ int *size_ptr = NULL;
+ if (!strcmp(attr, "sprop-vps")) {
+ data_ptr = &vvc_data->vps;
+ size_ptr = &vvc_data->vps_size;
+ } else if (!strcmp(attr, "sprop-sps")) {
+ data_ptr = &vvc_data->sps;
+ size_ptr = &vvc_data->sps_size;
+ } else if (!strcmp(attr, "sprop-pps")) {
+ data_ptr = &vvc_data->pps;
+ size_ptr = &vvc_data->pps_size;
+ } else if (!strcmp(attr, "sprop-sei")) {
+ data_ptr = &vvc_data->sei;
+ size_ptr = &vvc_data->sei_size;
+ } else
+ av_assert0(0);
+
+ ff_h264_parse_sprop_parameter_sets(s, data_ptr,
+ size_ptr, value);
+ }
+
+ /* max-lsr, max-lps, max-cpb, max-dpb, max-br, max-tr, max-tc */
+ /* max-fps */
+
+ /* sprop-max-don-diff: 0-32767
+
+ When the RTP stream depends on one or more other RTP
+ streams (in this case tx-mode MUST be equal to "MSM" and
+ MSM is in use), this parameter MUST be present and the
+ value MUST be greater than 0.
+ */
+ if (!strcmp(attr, "sprop-max-don-diff")) {
+ if (atoi(value) > 0)
+ vvc_data->using_donl_field = 1;
+ av_log(s, AV_LOG_TRACE, "Found sprop-max-don-diff in SDP, DON
field usage is: %d\n",
+ vvc_data->using_donl_field);
+ }
+ // VVC dont have sprop-depack-buf-nalus setting according to
rfc9328 + /* sprop-depack-buf-bytes: 0-4294967295 */
+ /* depack-buf-cap */
+ /* sprop-segmentation-id: 0-3 */
+ /* sprop-spatial-segmentation-idc: [base16] */
+ /* dec-parallel-ca: */
+ /* include-dph */
+
+ return 0;
+}
+
+static av_cold int vvc_parse_sdp_line(AVFormatContext *ctx, int st_index,
+ PayloadContext *vvc_data, const
char *line)
+{
+ AVStream *current_stream;
+ AVCodecParameters *par;
+ const char *sdp_line_ptr = line;
+
+ if (st_index < 0)
+ return 0;
+
+ current_stream = ctx->streams[st_index];
+ par = current_stream->codecpar;
+
+ if (av_strstart(sdp_line_ptr, "framesize:", &sdp_line_ptr)) {
+ ff_h264_parse_framesize(par, sdp_line_ptr);
+ } else if (av_strstart(sdp_line_ptr, "fmtp:", &sdp_line_ptr)) {
+ int ret = ff_parse_fmtp(ctx, current_stream, vvc_data,
sdp_line_ptr,
+ vvc_sdp_parse_fmtp_config);
+ if (vvc_data->vps_size || vvc_data->sps_size ||
+ vvc_data->pps_size || vvc_data->sei_size) {
+ par->extradata_size = vvc_data->vps_size + vvc_data->sps_size +
+ vvc_data->pps_size + vvc_data->sei_size;
+ if ((ret = ff_alloc_extradata(par, par->extradata_size)) >=
0) {
+ int pos = 0;
+ memcpy(par->extradata + pos, vvc_data->vps,
vvc_data->vps_size);
+ pos += vvc_data->vps_size;
+ memcpy(par->extradata + pos, vvc_data->sps,
vvc_data->sps_size);
+ pos += vvc_data->sps_size;
+ memcpy(par->extradata + pos, vvc_data->pps,
vvc_data->pps_size);
+ pos += vvc_data->pps_size;
+ memcpy(par->extradata + pos, vvc_data->sei,
vvc_data->sei_size);
+ }
+
+ av_freep(&vvc_data->vps);
+ av_freep(&vvc_data->sps);
+ av_freep(&vvc_data->pps);
+ av_freep(&vvc_data->sei);
+ vvc_data->vps_size = 0;
+ vvc_data->sps_size = 0;
+ vvc_data->pps_size = 0;
+ vvc_data->sei_size = 0;
+ }
+ return ret;
+ }
+
+ return 0;
+}
+
+static int vvc_handle_packet(AVFormatContext *ctx, PayloadContext
*rtp_vvc_ctx,
+ AVStream *st, AVPacket *pkt, uint32_t
*timestamp,
+ const uint8_t *buf, int len, uint16_t seq,
+ int flags)
+{
+ const uint8_t *rtp_pl = buf;
+ int tid, lid, nal_type;
+ int first_fragment, last_fragment, pic_fragment, fu_type;
+ uint8_t new_nal_header[2];
+ int res = 0;
+
+ /* sanity check for size of input packet: 1 byte payload at least */
+ if (len < RTP_VVC_PAYLOAD_HEADER_SIZE + 1) {
+ av_log(ctx, AV_LOG_ERROR, "Too short RTP/VVC packet, got %d
bytes\n", len);
+ return AVERROR_INVALIDDATA;
+ }
+
+ /*
+ * decode the VVC payload header according to section 4 of draft
version 6:
+ *
+ * +---------------+---------------+
+ * |0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |F|Z| LayerID | Type | TID |
+ * +---------------+---------------+
+ *
+ * Forbidden zero (F): 1 bit
+ * Reserved (Z): 1 bits
+ * NUH layer ID (LayerId): 6 bits
+ * NAL unit type (Type): 5 bits
+ * NUH temporal ID plus 1 (TID): 3 bits
+ */
+ nal_type = (buf[1] >> 3) & 0x1f;
+ lid = buf[0] & 0x3f;
+ tid = buf[1] & 0x07;
+
+ /* sanity check for correct layer ID */
+ if (lid) {
+ /* future scalable or 3D video coding extensions */
+ avpriv_report_missing_feature(ctx, "Multi-layer VVC coding");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ /* sanity check for correct temporal ID */
+ if (!tid) {
+ av_log(ctx, AV_LOG_ERROR, "Illegal temporal ID in RTP/VVC
packet\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ /* sanity check for correct NAL unit type */
+ if (nal_type > 31) {
+ av_log(ctx, AV_LOG_ERROR, "Unsupported (VVC) NAL type (%d)\n",
nal_type);
+ return AVERROR_INVALIDDATA;
+ }
+
+ switch (nal_type) {
+ /* video parameter set (VPS) */
+ case 14:
+ /* sequence parameter set (SPS) */
+ case 15:
+ /* picture parameter set (PPS) */
+ case 16:
+ /* supplemental enhancement information (SEI) */
+ case 23:
+ case 24:
+ /* single NAL unit packet */
+ default:
+ /* create A/V packet */
+ if ((res = av_new_packet(pkt, sizeof(start_sequence) + len)) < 0)
+ return res;
+ /* A/V packet: copy start sequence */
+ memcpy(pkt->data, start_sequence, sizeof(start_sequence));
+ /* A/V packet: copy NAL unit data */
+ memcpy(pkt->data + sizeof(start_sequence), buf, len);
+
+ break;
+ /* aggregated packet (AP) - with two or more NAL units */
+ case 28:
+ /* pass the VVC payload header */
+ buf += RTP_VVC_PAYLOAD_HEADER_SIZE;
+ len -= RTP_VVC_PAYLOAD_HEADER_SIZE;
+
+ /* pass the VVC DONL field */
+ if (rtp_vvc_ctx->using_donl_field) {
+ buf += RTP_VVC_DONL_FIELD_SIZE;
+ len -= RTP_VVC_DONL_FIELD_SIZE;
+ }
+
+ res = ff_h264_handle_aggregated_packet(ctx, rtp_vvc_ctx, pkt,
buf, len,
+
rtp_vvc_ctx->using_donl_field ?
+ RTP_VVC_DOND_FIELD_SIZE : 0,
+ NULL, 0);
+ if (res < 0)
+ return res;
+ break;
+ /* fragmentation unit (FU) */
+ case 29:
+ /* pass the VVC payload header */
+ buf += RTP_VVC_PAYLOAD_HEADER_SIZE;
+ len -= RTP_VVC_PAYLOAD_HEADER_SIZE;
+
+ /*
+ * create the FU header
+ *
+ * 0 1 2 3 4 5 6 7
+ * +---------------+
+ * |0|1|2|3|4|5|6|7|
+ * +-+-+-+-+-+-+-+-+
+ * |S|E|P| FuType |
+ * +---------------+
+ * S = variable
+ * E = variable
+ * P = variable
+ * FuType = NAL unit type
+ */
+ first_fragment = buf[0] & 0x80;
+ last_fragment = buf[0] & 0x40;
+ pic_fragment = buf[0] & 0x10;
+ fu_type = buf[0] & 0x3f;
+
+ /* pass the VVC FU header */
+ buf += RTP_VVC_FU_HEADER_SIZE;
+ len -= RTP_VVC_FU_HEADER_SIZE;
+
+ /* pass the VVC DONL field */
+ if (rtp_vvc_ctx->using_donl_field) {
+ buf += RTP_VVC_DONL_FIELD_SIZE;
+ len -= RTP_VVC_DONL_FIELD_SIZE;
+ }
+
+ av_log(ctx, AV_LOG_TRACE, " FU type %d with %d bytes\n",
fu_type, len);
+
+ /* sanity check for size of input packet: 1 byte payload at
least */
+ if (len <= 0) {
+ if (len < 0) {
+ av_log(ctx, AV_LOG_ERROR,
+ "Too short RTP/VVC packet, got %d bytes of NAL
unit type %d\n",
+ len, nal_type);
+ return AVERROR_INVALIDDATA;
+ } else {
+ return AVERROR(EAGAIN);
+ }
+ }
+
+ if (first_fragment && last_fragment) {
+ av_log(ctx, AV_LOG_ERROR, "Illegal combination of S and E
bit in RTP/VVC packet\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ new_nal_header[0] = rtp_pl[0];
+ new_nal_header[1] = rtp_pl[1];
+
+ new_nal_header[1] = (new_nal_header[1] & 0x07) | (fu_type << 3);
+
+ res = ff_h264_handle_frag_packet(pkt, buf, len, first_fragment,
+ new_nal_header,
sizeof(new_nal_header));
+
+ break;
+ /* PACI packet */
+ case 30:
+ /* Temporal scalability control information (TSCI) */
+ avpriv_report_missing_feature(ctx, "PACI packets for RTP/VVC");
+ res = AVERROR_PATCHWELCOME;
+ break;
+ }
+
+ pkt->stream_index = st->index;
+
+ return res;
+}
+
+const RTPDynamicProtocolHandler ff_vvc_dynamic_handler = {
+ .enc_name = "H266",
+ .codec_type = AVMEDIA_TYPE_VIDEO,
+ .codec_id = AV_CODEC_ID_VVC,
+ .need_parsing = AVSTREAM_PARSE_FULL,
+ .priv_data_size = sizeof(PayloadContext),
+ .parse_sdp_a_line = vvc_parse_sdp_line,
+ .parse_packet = vvc_handle_packet,
+};
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index 7b4ae37d13..848b245ad7 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -57,6 +57,7 @@ static int is_supported(enum AVCodecID id)
case AV_CODEC_ID_H263P:
case AV_CODEC_ID_H264:
case AV_CODEC_ID_HEVC:
+ case AV_CODEC_ID_VVC:
case AV_CODEC_ID_MPEG1VIDEO:
case AV_CODEC_ID_MPEG2VIDEO:
case AV_CODEC_ID_MPEG4:
@@ -605,6 +606,7 @@ static int rtp_write_packet(AVFormatContext *s1,
AVPacket *pkt)
ff_rtp_send_h263(s1, pkt->data, size);
break;
case AV_CODEC_ID_HEVC:
+ case AV_CODEC_ID_VVC:
ff_rtp_send_h264_hevc(s1, pkt->data, size);
break;
case AV_CODEC_ID_VORBIS:
diff --git a/libavformat/rtpenc_h264_hevc.c b/libavformat/rtpenc_h264_hevc.c
index 0c88fc2a23..7dbd9f3e11 100644
--- a/libavformat/rtpenc_h264_hevc.c
+++ b/libavformat/rtpenc_h264_hevc.c
@@ -84,9 +84,38 @@ static void nal_send(AVFormatContext *s1, const
uint8_t *buf, int size, int last
if (buffered_size == 0) {
if (codec == AV_CODEC_ID_H264) {
*s->buf_ptr++ = 24;
- } else {
+ } else if (codec == AV_CODEC_ID_HEVC) {
*s->buf_ptr++ = 48 << 1;
*s->buf_ptr++ = 1;
+ } else {
+ // VVC case, rfc9328, page 20
+ uint8_t first_nal_type = buf[0];
+ uint8_t last_nal_type = buf[1];
+ first_nal_type &= ~(1<<7); // clear the F bit,
initially
+ last_nal_type = (last_nal_type & 0x07) | (28 << 3);
+ *s->buf_ptr++ = first_nal_type;
+ *s->buf_ptr++ = last_nal_type;
+ }
+ } else if (codec == AV_CODEC_ID_VVC) {
+ // VVC case, rfc9328, page 20, use lowest layerid/tid
+ uint8_t first_nal_type = s->buf[0];
+ uint8_t last_nal_type = s->buf[1];
+ uint8_t new_first_nal_type = buf[0];
+ uint8_t new_last_nal_type = buf[1];
+ int cur_f = first_nal_type >> 7;
+ int new_f = new_first_nal_type >> 7;
+ if (!cur_f && new_f) {
+ s->buf[0] |= 1 << 7;
+ }
+ int cur_lid = first_nal_type & 0x3f;
+ int new_lid = new_first_nal_type & 0x3f;
+ if (cur_lid > new_lid) {
+ s->buf[0] |= new_lid;
+ }
+ int cur_tid = last_nal_type & 0x07;
+ int new_tid = new_last_nal_type & 0x07;
+ if (cur_tid > new_tid) {
+ s->buf[1] |= new_tid;
}
}
AV_WB16(s->buf_ptr, size);
@@ -100,6 +129,7 @@ static void nal_send(AVFormatContext *s1, const
uint8_t *buf, int size, int last
}
} else {
int flag_byte, header_size;
+ uint8_t nal_type;
flush_buffered(s1, 0);
if (codec == AV_CODEC_ID_H264 && (s->flags &
FF_RTP_FLAG_H264_MODE0)) {
av_log(s1, AV_LOG_ERROR,
@@ -109,20 +139,20 @@ static void nal_send(AVFormatContext *s1, const
uint8_t *buf, int size, int last
}
av_log(s1, AV_LOG_DEBUG, "NAL size %d > %d\n", size,
s->max_payload_size);
if (codec == AV_CODEC_ID_H264) {
- uint8_t type = buf[0] & 0x1F;
+ nal_type = buf[0] & 0x1F;
uint8_t nri = buf[0] & 0x60;
s->buf[0] = 28; /* FU Indicator; Type = 28 --->
FU-A */
s->buf[0] |= nri;
- s->buf[1] = type;
+ s->buf[1] = nal_type;
s->buf[1] |= 1 << 7;
buf += 1;
size -= 1;
flag_byte = 1;
header_size = 2;
- } else {
- uint8_t nal_type = (buf[0] >> 1) & 0x3F;
+ } else if (codec == AV_CODEC_ID_HEVC) {
+ nal_type = (buf[0] >> 1) & 0x3F;
/*
* create the HEVC payload header and transmit the buffer
as fragmentation units (FU)
*
@@ -154,8 +184,54 @@ static void nal_send(AVFormatContext *s1, const
uint8_t *buf, int size, int last
*/
s->buf[2] = nal_type;
/* set the S bit: mark as start fragment */
- s->buf[2] |= 1 << 7;
+ s->buf[1] = (s->buf[1] & 0x07) | (29 << 3);
+
+ /* pass the original NAL header */
+ buf += 2;
+ size -= 2;
+
+ flag_byte = 2;
+ header_size = 3;
+ } else {
+ s->buf[0] = buf[0];
+ s->buf[1] = buf[1];
+ /*
+ * create the VVC payload header and transmit the buffer as
fragmentation units (FU)
+ *
+ * +---------------+---------------+
+ * |0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |F|Z| LayerID | Type | TID |
+ * +---------------+---------------+
+ * F = 0
+ * Type = 29 (fragmentation unit (FU))
+ * LayerId = 0
+ * TID = 1
+ */
+ nal_type = (buf[1] >> 3) & 0x1F;
+ s->buf[1] = (s->buf[1] & 0x07) | (29 << 3);
+ /*
+ * create the FU header
+ *
+ * 0 1 2 3 4 5 6 7
+ * +---------------+
+ * |0|1|2|3|4|5|6|7|
+ * +-+-+-+-+-+-+-+-+
+ * |S|E|P| FuType |
+ * +---------------+
+ * S = variable
+ * E = variable
+ * P = variable
+ * FuType = NAL unit type
+ */
+ s->buf[2] = nal_type;
+ /* set the S bit: mark as start fragment */
+ s->buf[2] |= 1 << 7;
+ // Set the P bit if it's the last fragment and if it's a
VCL NAL unit
+ if (nal_type <= 11) {
+ s->buf[2] &= ~(1 << 5); // Clear the P bit otherwise
+ }
/* pass the original NAL header */
buf += 2;
size -= 2;
@@ -170,8 +246,14 @@ static void nal_send(AVFormatContext *s1, const
uint8_t *buf, int size, int last
buf += s->max_payload_size - header_size;
size -= s->max_payload_size - header_size;
s->buf[flag_byte] &= ~(1 << 7);
+ if (codec == AV_CODEC_ID_VVC && nal_type <= 11) {
+ s->buf[flag_byte] &= ~(1 << 5); // Clear the P bit
otherwise
+ }
}
s->buf[flag_byte] |= 1 << 6;
+ if (codec == AV_CODEC_ID_VVC && nal_type <= 11) {
+ s->buf[flag_byte] |= 1 << 5; // Set the P bit
+ }
memcpy(&s->buf[header_size], buf, size);
ff_rtp_send_data(s1, s->buf, size + header_size, last);
}
diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index ccfaa8aff5..2fbf173e41 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -33,6 +33,7 @@
#include "internal.h"
#include "avc.h"
#include "hevc.h"
+#include "vvc.h"
#include "rtp.h"
#include "version.h"
#if CONFIG_NETWORK
@@ -347,6 +348,176 @@ err:
return ret;
}
+
+static int calculate_ptl_size(uint8_t *extradata) {
+ int offset = 0;
+ /*
+ * unsigned int(9) ols_idx;
+ * unsigned int(3) num_sublayers;
+ * unsigned int(2) constant_frame_rate;
+ * unsigned int(2) chroma_format_idc; */
+ uint8_t num_sublayers = (AV_RB16(&extradata[offset]) >> 4) & 0x07;
+ offset += 2;
+ /* unsigned int(3) bit_depth_minus8;
+ bit(5) reserved = ‘11111’b; */
+ offset += 1;
+ /* bit(2) reserved = ‘00’b;
+ unsigned int (6) num_bytes_constraint_info */
+ uint8_t num_bytes_constraint_info = AV_RB8(&extradata[offset]) & 0x3f;
+ offset += 1;
+ /* unsigned int (7) general_profile_idc
+ unsigned int (1) general_tier_flag */
+ offset += 1;
+ /* unsigned int (8) general_level_idc */
+ offset += 1;
+ /*
+ * unsigned int (1) ptl_frame_only_constraint_flag
+ * unsigned int (1) ptl_multilayer_enabled_flag
+ * unsigned int (8*num_bytes_constraint_info -2)
general_constraint_info */
+ offset += num_bytes_constraint_info;
+
+ if (num_sublayers > 1) {
+ // ptl_sublayer_level_present_flags
+ uint8_t ptl_sublayer_level_present_flags = extradata[offset];
+ offset += 1;
+ // Calculate the number of sublayer_level_idc bytes
+ for (int i = 0; i < num_sublayers - 1; i++) {
+ if (ptl_sublayer_level_present_flags & (1 << i)) {
+ offset += 1; // Add a byte for each sublayer_level_idc
+ }
+ }
+ }
+ /* unsigned int(8) num_sub_profiles; */
+ uint8_t ptl_num_sub_profiles = extradata[offset];
+ offset += 1;
+ /* unsigned int(32) general_sub_profile_idc[j]; */
+ offset += 4 * ptl_num_sub_profiles;
+ //End of VvcPTLRecord
+ /*
+ * unsigned int(16) max_picture_width;*/
+ offset += 2;
+ /*
+ * unsigned int(16) max_picture_height;*/
+ offset += 2;
+ /*
+ * unsigned int(16) avg_frame_rate; */
+ offset += 2;
+ return offset;
+}
+
+static int extradata2psets_vvcc(const AVCodecParameters *par, char **out)
+{
+ char *psets;
+ uint8_t *extradata = par->extradata;
+ int extradata_size = par->extradata_size;
+ uint8_t *tmpbuf = NULL;
+ int ps_pos[3] = { 0 };
+ static const char * const ps_names[3] = { "vps", "sps", "pps" };
+ int num_arrays, num_nalus;
+ int pos, i, j, ret = 0;
+
+ *out = NULL;
+
+ if (par->extradata[0] != 1) {
+ AVIOContext *pb;
+
+ ret = avio_open_dyn_buf(&pb);
+ if (ret < 0)
+ return ret;
+
+ ret = ff_isom_write_vvcc(pb, par->extradata,
par->extradata_size, 0);
+ if (ret < 0) {
+ avio_close_dyn_buf(pb, &tmpbuf);
+ goto err;
+ }
+ extradata_size = avio_close_dyn_buf(pb, &extradata);
+ tmpbuf = extradata;
+ }
+
+ int ptl_present_flag = (extradata[0] & 0x01);
+
+ pos = 1; // Start after the initial configuration byte
+ if (ptl_present_flag) {
+ // PTL is present, so parse PTL fields (the number of bytes
depends on PTL structure)
+ pos += calculate_ptl_size(extradata + 1);
+ }
+ if (pos + 1 > extradata_size)
+ goto err;
+ num_arrays = extradata[pos++];
+ for (i = 0; i < num_arrays; i++) {
+ int num_nalus, nalu_type;
+ if (pos + 3 > extradata_size)
+ goto err;
+ nalu_type = extradata[pos] & 0x1f;
+ if (nalu_type == 14) // VPS
+ ps_pos[0] = pos;
+ else if (nalu_type == 15) // SPS
+ ps_pos[1] = pos;
+ else if (nalu_type == 16) // PPS
+ ps_pos[2] = pos;
+ num_nalus = AV_RB16(&extradata[pos + 1]);
+ pos += 3;
+ for (j = 0; j < num_nalus; j++) {
+ int len;
+ if (pos + 2 > extradata_size)
+ goto err;
+ len = AV_RB16(&extradata[pos]);
+ pos += 2;
+ if (pos + len > extradata_size)
+ goto err;
+ pos += len;
+ }
+ }
+ if (!ps_pos[1] || !ps_pos[2])
+ goto err;
+ psets = av_mallocz(MAX_PSET_SIZE);
+ if (!psets) {
+ ret = AVERROR(ENOMEM);
+ goto err;
+ }
+
+ psets[0] = '\0';
+
+ for (i = 0; i < 3; i++) {
+ if (!ps_pos[i]) {
+ continue;
+ }
+ pos = ps_pos[i];
+
+ if (i > 0 && ps_pos[i-1])
+ av_strlcat(psets, "; ", MAX_PSET_SIZE);
+ av_strlcatf(psets, MAX_PSET_SIZE, "sprop-%s=", ps_names[i]);
+
+ // Skipping boundary checks in the input here; we've already
traversed
+ // the whole hvcc structure above without issues
+ num_nalus = AV_RB16(&extradata[pos + 1]);
+ pos += 3;
+ for (j = 0; j < num_nalus; j++) {
+ int len = AV_RB16(&extradata[pos]);
+ int strpos;
+ pos += 2;
+ if (j > 0)
+ av_strlcat(psets, ",", MAX_PSET_SIZE);
+ strpos = strlen(psets);
+ if (!av_base64_encode(psets + strpos, MAX_PSET_SIZE - strpos,
+ &extradata[pos], len)) {
+ av_free(psets);
+ goto err;
+ }
+ pos += len;
+ }
+ }
+ av_free(tmpbuf);
+
+ *out = psets;
+ return 0;
+err:
+ if (ret >= 0)
+ ret = AVERROR_INVALIDDATA;
+ av_free(tmpbuf);
+ return ret;
+}
+
static int extradata2config(AVFormatContext *s, const
AVCodecParameters *par,
char **out)
{
@@ -579,6 +750,17 @@ static int sdp_write_media_attributes(char *buff,
int size, const AVStream *st,
av_strlcatf(buff, size, "a=fmtp:%d %s\r\n",
payload_type, config);
break;
+ case AV_CODEC_ID_VVC:
+ if (p->extradata_size) {
+ ret = extradata2psets_vvcc(p, &config);
+ if (ret < 0)
+ return ret;
+ }
+ av_strlcatf(buff, size, "a=rtpmap:%d H266/90000\r\n",
payload_type);
+ if (config)
+ av_strlcatf(buff, size, "a=fmtp:%d %s\r\n",
+ payload_type, config);
+ break;
case AV_CODEC_ID_MPEG4:
if (p->extradata_size) {
ret = extradata2config(fmt, p, &config);
--
2.34.1
More information about the ffmpeg-devel
mailing list