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Do not read index chunks as audio/video data; closes issue 1336.
patch by Maksym Veremeyenko, verem m1stereo tv Originally committed as revision 19700 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -826,6 +826,12 @@ resync:
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if(!((i-avi->last_pkt_pos)&1) && get_stream_idx(d+1) < s->nb_streams)
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continue;
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//detect ##ix chunk and skip
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if(d[2] == 'i' && d[3] == 'x' && n < s->nb_streams){
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url_fskip(pb, size);
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goto resync;
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}
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//parse ##dc/##wb
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if(n < s->nb_streams){
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AVStream *st;
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