[FFmpeg-devel] [PATCH v1 10/11] avformat: add ts stream types for H266/VVC

[thomas.ff@spin-digital.com]

From: Thomas Siedel <thomas.ff@spin-digital.com>

Add transport stream stream type 0x33 for vvc.
Add STREAM_TYPE_VIDEO_VVC to MPEG-1/2 and MPEG-2 transport stream
Add basic transport stream support for TS mux/demux

Signed-off-by: Thomas Siedel <thomas.ff@spin-digital.com>
---
 configure               |  2 +-
 libavformat/mpeg.c      |  3 ++
 libavformat/mpeg.h      |  1 +
 libavformat/mpegts.c    |  2 ++
 libavformat/mpegts.h    |  1 +
 libavformat/mpegtsenc.c | 65 +++++++++++++++++++++++++++++++++++++++++
 6 files changed, 73 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index ff85d2921b..10a723eff9 100755
--- a/configure
+++ b/configure
@@ -3482,7 +3482,7 @@ mp3_demuxer_select="mpegaudio_parser"
 mp3_muxer_select="mpegaudioheader"
 mp4_muxer_select="mov_muxer"
 mpegts_demuxer_select="iso_media"
-mpegts_muxer_select="ac3_parser adts_muxer latm_muxer h264_mp4toannexb_bsf hevc_mp4toannexb_bsf"
+mpegts_muxer_select="ac3_parser adts_muxer latm_muxer h264_mp4toannexb_bsf hevc_mp4toannexb_bsf vvc_mp4toannexb_bsf"
 mpegtsraw_demuxer_select="mpegts_demuxer"
 mxf_muxer_select="pcm_rechunk_bsf"
 mxf_d10_muxer_select="mxf_muxer"
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index 864b08d8f8..970926df6b 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -546,6 +546,9 @@ redo:
     } else if (es_type == STREAM_TYPE_VIDEO_HEVC) {
         codec_id = AV_CODEC_ID_HEVC;
         type     = AVMEDIA_TYPE_VIDEO;
+    } else if (es_type == STREAM_TYPE_VIDEO_VVC) {
+        codec_id = AV_CODEC_ID_VVC;
+        type     = AVMEDIA_TYPE_VIDEO;
     } else if (es_type == STREAM_TYPE_AUDIO_AC3) {
         codec_id = AV_CODEC_ID_AC3;
         type     = AVMEDIA_TYPE_AUDIO;
diff --git a/libavformat/mpeg.h b/libavformat/mpeg.h
index b635295776..20592eb184 100644
--- a/libavformat/mpeg.h
+++ b/libavformat/mpeg.h
@@ -56,6 +56,7 @@
 #define STREAM_TYPE_VIDEO_MPEG4     0x10
 #define STREAM_TYPE_VIDEO_H264      0x1b
 #define STREAM_TYPE_VIDEO_HEVC      0x24
+#define STREAM_TYPE_VIDEO_VVC       0x33
 #define STREAM_TYPE_VIDEO_CAVS      0x42
 
 #define STREAM_TYPE_AUDIO_AC3       0x81
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index d97702fcd7..61a800c85f 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -811,6 +811,7 @@ static const StreamType ISO_types[] = {
     { 0x20, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H264       },
     { 0x21, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_JPEG2000   },
     { 0x24, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC       },
+    { 0x33, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VVC        },
     { 0x42, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_CAVS       },
     { 0xd1, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_DIRAC      },
     { 0xd2, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_AVS2       },
@@ -865,6 +866,7 @@ static const StreamType REGD_types[] = {
     { MKTAG('D', 'T', 'S', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS   },
     { MKTAG('E', 'A', 'C', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_EAC3  },
     { MKTAG('H', 'E', 'V', 'C'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC  },
+    { MKTAG('V', 'V', 'C', ' '), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VVC   },
     { MKTAG('K', 'L', 'V', 'A'), AVMEDIA_TYPE_DATA,  AV_CODEC_ID_SMPTE_KLV },
     { MKTAG('I', 'D', '3', ' '), AVMEDIA_TYPE_DATA,  AV_CODEC_ID_TIMED_ID3 },
     { MKTAG('V', 'C', '-', '1'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VC1   },
diff --git a/libavformat/mpegts.h b/libavformat/mpegts.h
index a48f14e768..14ae312c50 100644
--- a/libavformat/mpegts.h
+++ b/libavformat/mpegts.h
@@ -128,6 +128,7 @@
 #define STREAM_TYPE_METADATA        0x15
 #define STREAM_TYPE_VIDEO_H264      0x1b
 #define STREAM_TYPE_VIDEO_HEVC      0x24
+#define STREAM_TYPE_VIDEO_VVC       0x33
 #define STREAM_TYPE_VIDEO_CAVS      0x42
 #define STREAM_TYPE_VIDEO_AVS2      0xd2
 #define STREAM_TYPE_VIDEO_AVS3      0xd4
diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
index 48d39e6a7d..4c32cddff1 100644
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -366,6 +366,9 @@ static int get_dvb_stream_type(AVFormatContext *s, AVStream *st)
     case AV_CODEC_ID_HEVC:
         stream_type = STREAM_TYPE_VIDEO_HEVC;
         break;
+    case AV_CODEC_ID_VVC:
+        stream_type = STREAM_TYPE_VIDEO_VVC;
+        break;
     case AV_CODEC_ID_CAVS:
         stream_type = STREAM_TYPE_VIDEO_CAVS;
         break;
@@ -462,6 +465,11 @@ static int get_m2ts_stream_type(AVFormatContext *s, AVStream *st)
     case AV_CODEC_ID_HEVC:
         stream_type = STREAM_TYPE_VIDEO_HEVC;
         break;
+    case AV_CODEC_ID_VVC:
+        av_log(s, AV_LOG_ERROR,
+                "MPEGTS VVC %s.\n", avcodec_get_name(st->codecpar->codec_id));
+        stream_type = STREAM_TYPE_VIDEO_VVC;
+        break;
     case AV_CODEC_ID_PCM_BLURAY:
         stream_type = 0x80;
         break;
@@ -1783,6 +1791,21 @@ static int check_hevc_startcode(AVFormatContext *s, const AVStream *st, const AV
     return 0;
 }
 
+static int check_vvc_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt)
+{
+    if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001 && AV_RB24(pkt->data) != 0x000001) {
+        if (!st->nb_frames) {
+            av_log(s, AV_LOG_ERROR, "VVC bitstream malformed, no startcode found\n");
+            return AVERROR_PATCHWELCOME;
+        }
+        av_log(s, AV_LOG_WARNING, "VVC bitstream error, startcode missing, size %d", pkt->size);
+        if (pkt->size)
+            av_log(s, AV_LOG_WARNING, " data %08"PRIX32, AV_RB32(pkt->data));
+        av_log(s, AV_LOG_WARNING, "\n");
+    }
+    return 0;
+}
+
 /* Based on GStreamer's gst-plugins-base/ext/ogg/gstoggstream.c
  * Released under the LGPL v2.1+, written by
  * Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
@@ -1975,6 +1998,42 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
             buf     = data;
             size    = pkt->size + 7 + extradd;
         }
+    } else if (st->codecpar->codec_id == AV_CODEC_ID_VVC) {
+      const uint8_t *p = buf, *buf_end = p + size;
+      uint32_t state = -1;
+      uint32_t naltype = -1;
+      int extradd = (pkt->flags & AV_PKT_FLAG_KEY) ? st->codecpar->extradata_size : 0;
+      int ret = check_vvc_startcode(s, st, pkt);
+      if (ret < 0)
+          return ret;
+
+      if (extradd && AV_RB24(st->codecpar->extradata) > 1)
+          extradd = 0;
+
+      do {
+          p = avpriv_find_start_code(p, buf_end, &state);
+          // state contains byte after start code, p points 2 bytes after start code
+          naltype = ((AV_RB8(p)>>3) & 0x1F);
+          av_log(s, AV_LOG_TRACE, "nal %"PRId32"\n", naltype );
+          if (naltype == 14 ) // VPS
+              extradd = 0;
+      } while (p < buf_end && naltype != 20 && naltype >= 12);
+
+      if (naltype >= 12)
+          extradd = 0;
+      if (naltype != 20) { // AUD NAL
+          data = av_malloc(pkt->size + 7 + extradd);
+          if (!data)
+              return AVERROR(ENOMEM);
+          memcpy(data + 7, st->codecpar->extradata, extradd);
+          memcpy(data + 7 + extradd, pkt->data, pkt->size);
+          AV_WB32(data, 0x00000001);
+          data[4] = 20;
+          data[5] = 1;
+          data[6] = 0x50; // any slice type (0x4) + rbsp stop one bit
+          buf     = data;
+          size    = pkt->size + 7 + extradd;
+      }
     } else if (st->codecpar->codec_id == AV_CODEC_ID_OPUS) {
         if (pkt->size < 2) {
             av_log(s, AV_LOG_ERROR, "Opus packet too short\n");
@@ -2231,6 +2290,12 @@ static int mpegts_check_bitstream(AVFormatContext *s, AVStream *st,
                               (st->codecpar->extradata_size > 0 &&
                                st->codecpar->extradata[0] == 1)))
             ret = ff_stream_add_bitstream_filter(st, "hevc_mp4toannexb", NULL);
+    } else if (st->codecpar->codec_id == AV_CODEC_ID_VVC) {
+        if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
+                             (AV_RB24(pkt->data) != 0x000001 ||
+                              (st->codecpar->extradata_size > 0 &&
+                               st->codecpar->extradata[0] == 1)))
+            ret = ff_stream_add_bitstream_filter(st, "vvc_mp4toannexb", NULL);
     }
 
     return ret;
-- 
2.25.1

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".