Re: [FFmpeg-devel] [PATCH] avformat/isom: enable TTML demuxing from MP4-likes

2021-09-26 Thread Andreas Rheinhardt
Jan Ekström: > As ff_codec_movsubtitle_tags is shared between demuxing and muxing, > the muxing parts have to go in before demuxing in order to not > generate invalid media, as adding an identifier to this list enables > muxing into QTFF/MOV. Does this mean that MOV_MP4_TTML_TAG is legal for QTFF/

[FFmpeg-devel] [PATCH] avformat/isom: enable TTML demuxing from MP4-likes

2021-09-26 Thread Jan Ekström
As ff_codec_movsubtitle_tags is shared between demuxing and muxing, the muxing parts have to go in before demuxing in order to not generate invalid media, as adding an identifier to this list enables muxing into QTFF/MOV. --- libavformat/isom.c | 2 ++ tests/ref/fate/mov-mp4-ttml-df