mirror of https://git.ffmpeg.org/ffmpeg.git
mpeg4 b frame + adaptive quantization assertion failure fix
Originally committed as revision 2779 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -3412,16 +3412,23 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
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if(!(s->flags&CODEC_FLAG_QP_RD)){
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s->dquant= s->qscale - last_qp;
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if(s->out_format==FMT_H263)
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if(s->out_format==FMT_H263){
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s->dquant= clip(s->dquant, -2, 2); //FIXME RD
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if(s->codec_id==CODEC_ID_MPEG4){
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if(!s->mb_intra){
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if((s->mv_dir&MV_DIRECT) || s->mv_type==MV_TYPE_8X8)
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if(s->pict_type == B_TYPE){
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if(s->dquant&1)
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s->dquant= (s->dquant/2)*2;
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if(s->mv_dir&MV_DIRECT)
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s->dquant= 0;
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}
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if(s->mv_type==MV_TYPE_8X8)
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s->dquant=0;
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}
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}
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}
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}
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ff_set_qscale(s, last_qp + s->dquant);
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}
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@ -3969,6 +3976,7 @@ static int mb_var_thread(AVCodecContext *c, void *arg){
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s->mb_var_sum_temp += varc;
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}
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}
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return 0;
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}
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static void write_slice_end(MpegEncContext *s){
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