skip b frames before first i frame
Originally committed as revision 2829 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -360,6 +360,11 @@ static int rv20_decode_picture_header(MpegEncContext *s)
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return -1;
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}
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if(s->last_picture_ptr==NULL && s->pict_type==B_TYPE){
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av_log(s->avctx, AV_LOG_ERROR, "early B pix\n");
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return -1;
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}
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if (get_bits(&s->gb, 1)){
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av_log(s->avctx, AV_LOG_ERROR, "unknown bit set\n");
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return -1;
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