ffmpeg | branch: master | Jan Ekström <jee...@gmail.com> | Mon Nov 23 18:00:44 2020 +0200| [4688017d9a1c2633c5888de5a0580d29e7680d54] | committer: Jan Ekström
avformat/av1: add support for passing through MP4/Matroska av1c > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4688017d9a1c2633c5888de5a0580d29e7680d54 --- libavformat/av1.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/libavformat/av1.c b/libavformat/av1.c index 0cbffb1fd8..5512c4e0f7 100644 --- a/libavformat/av1.c +++ b/libavformat/av1.c @@ -375,6 +375,20 @@ int ff_isom_write_av1c(AVIOContext *pb, const uint8_t *buf, int size) if (size <= 0) return AVERROR_INVALIDDATA; + if (buf[0] & 0x80) { + // first bit is nonzero, the passed data does not consist purely of + // OBUs. Expect that the data is already in AV1CodecConfigurationRecord + // format. + int config_record_version = buf[0] & 0x7f; + if (config_record_version != 1 || size < 4) { + return AVERROR_INVALIDDATA; + } + + avio_write(pb, buf, size); + + return 0; + } + ret = avio_open_dyn_buf(&meta_pb); if (ret < 0) return ret; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".