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avformat/matroskadec: identify SMI as SVQ3 

Fixes part of Ticket3256

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-19 20:13:38 +01:00
parent 48218580e1
commit 9d13432a90
1 changed files with 3 additions and 1 deletions
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4
libavformat/matroskadec.c
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@ -1732,7 +1732,7 @@ static int matroska_read_header(AVFormatContext *s)
codec_id = ff_codec_get_id(ff_codec_movaudio_tags, fourcc);
}
} else if (!strcmp(track->codec_id, "V_QUICKTIME")
&& (track->codec_priv.size >= 86)
&& (track->codec_priv.size >= 21)
&& (track->codec_priv.data != NULL)) {
fourcc = AV_RL32(track->codec_priv.data + 4);
codec_id = ff_codec_get_id(ff_codec_movvideo_tags, fourcc);
@ -1740,6 +1740,8 @@ static int matroska_read_header(AVFormatContext *s)
fourcc = AV_RL32(track->codec_priv.data);
codec_id = ff_codec_get_id(ff_codec_movvideo_tags, fourcc);
}
if (codec_id == AV_CODEC_ID_NONE && AV_RL32(track->codec_priv.data+4) == AV_RL32("SMI "))
codec_id = AV_CODEC_ID_SVQ3;
} else if (codec_id == AV_CODEC_ID_PCM_S16BE) {
switch (track->audio.bitdepth) {
case 8: codec_id = AV_CODEC_ID_PCM_U8; break;