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avformat/jpegxl_anim_dec: add animated JPEG XL demuxer

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Animated JPEG XL files requires a separate demuxer than image2, because
the timebase information is set by the demuxer. Should the timebase of
an animated JPEG XL file be incompatible with the timebase set by the
image2pipe demuxer (usually 1/25 unless set otherwise), rescaling will
fail. Adding a separate demuxer for animated JPEG XL files allows the
timebase to be set correctly.

Signed-off-by: Leo Izen <leo.izen@gmail.com>
This commit is contained in:
Leo Izen
2023-03-03 15:31:46 -05:00
parent 99da411322
commit fa11c4c7fa
8 changed files with 287 additions and 12 deletions
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libavformat/allformats.c
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@@ -238,6 +238,7 @@ extern const AVInputFormat ff_ivr_demuxer;
extern const AVInputFormat ff_jacosub_demuxer;
extern const FFOutputFormat ff_jacosub_muxer;
extern const AVInputFormat ff_jv_demuxer;
extern const AVInputFormat ff_jpegxl_anim_demuxer;
extern const AVInputFormat ff_kux_demuxer;
extern const AVInputFormat ff_kvag_demuxer;
extern const FFOutputFormat ff_kvag_muxer;