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matroskadec: add correct extradata offset for V_MS/VFW/FOURCC tracks

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Originally committed as revision 19694 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2009-08-24 13:43:33 +00:00
parent e26444079c
commit 429eeecd5a
1 changed files with 1 additions and 0 deletions
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libavformat/matroskadec.c
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@ -1246,6 +1246,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
&& track->codec_priv.data != NULL) { && track->codec_priv.data != NULL) {
track->video.fourcc = AV_RL32(track->codec_priv.data + 16); track->video.fourcc = AV_RL32(track->codec_priv.data + 16);
codec_id = ff_codec_get_id(ff_codec_bmp_tags, track->video.fourcc); codec_id = ff_codec_get_id(ff_codec_bmp_tags, track->video.fourcc);
extradata_offset = 40;
} else if (!strcmp(track->codec_id, "A_MS/ACM") } else if (!strcmp(track->codec_id, "A_MS/ACM")
&& track->codec_priv.size >= 18 && track->codec_priv.size >= 18
&& track->codec_priv.data != NULL) { && track->codec_priv.data != NULL) {