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infiinit loop fix for CBR + adaptive quant

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Originally committed as revision 7133 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-11-20 11:53:02 +00:00
parent 789382d340
commit ec9ed85dc7
1 changed files with 5 additions and 0 deletions
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5
libavcodec/mpegvideo.c
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@ -2552,6 +2552,11 @@ vbv_retry:
if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
if(s->adaptive_quant){
int i;
for(i=0; i<s->mb_height*s->mb_width; i++)
s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
}
s->mb_skipped = 0; //done in MPV_frame_start()
if(s->pict_type==P_TYPE){ //done in encode_picture() so we must undo it
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)