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avformat/mpeg: demux ivtv captions

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The packets start 'IVT0' or 'ivt0'
('I' = 0x49, 'i' = 0x69).

Signed-off-by: Marth64 <marth64@proxyid.net>
This commit is contained in:
Scott Theisen 2024-12-14 17:00:23 -05:00 • committed by Marth64
parent 9fb806fa57
commit e838e6cbe2
1 changed files with 3 additions and 0 deletions
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3
libavformat/mpeg.c
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@ -620,6 +620,9 @@ redo:
} else if (startcode >= 0xfd55 && startcode <= 0xfd5f) {
type = AVMEDIA_TYPE_VIDEO;
codec_id = AV_CODEC_ID_VC1;
} else if (startcode == 0x69 || startcode == 0x49) {
type = AVMEDIA_TYPE_SUBTITLE;
codec_id = AV_CODEC_ID_IVTV_VBI;
} else {
skip:
/* skip packet */