From: vacingfang <vacingf...@tencent.com> support DOVIVideo Stream Descriptor from Dolby Vision Streams Within the MPEG-2 Transport Stream Format V1.2
From the spec: https://www.dolby.com/us/en/technologies/\ dolby-vision/dolby-vision-bitstreams-in-mpeg-2-transport-\ stream-multiplex-v1.2.pdf. export the Dolby Vision profile/level with metadata. Signed-off-by: vacingfang <vacingf...@tencent.com> --- libavformat/mpegts.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 7f56bac..e035605 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -2135,6 +2135,27 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type st->request_probe = 0; } break; + case 0xb0: /* dolby vision video stream descriptor*/ + { + int version_major, version_minor, profile, level; + char str_buf[32]; + if (desc_end - *pp < 4) // 8 + 8 + 7 + 6 + 1 + 1 + 1 + return AVERROR_INVALIDDATA; + + version_major = get8(pp, desc_end); + version_minor = get8(pp, desc_end); + profile = get16(pp, desc_end); + level = (profile >> 3) & 0x3f; // 6 bits + profile = (profile >> 9) & 0x7f; // 7 bits + av_log(fc, AV_LOG_DEBUG, "dolby vision stream, version: %d.%d, profile: %d, level: %d\n", + version_major, version_minor, profile, level); + + snprintf(str_buf, sizeof(str_buf), "%d", profile); + av_dict_set(&st->metadata, "dovi_profile", str_buf, 0); + snprintf(str_buf, sizeof(str_buf), "%d", level); + av_dict_set(&st->metadata, "dovi_level", str_buf, 0); + } + break; default: break; } -- 2.7.4 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
