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H.263 MCBPC fix

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Originally committed as revision 3077 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-04-26 21:46:01 +00:00
parent db7a2e0d17
commit ae4b7d5947
1 changed files with 11 additions and 9 deletions
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20
libavcodec/h263.c
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@ -496,6 +496,17 @@ void ff_clean_h263_qscales(MpegEncContext *s){
if(qscale_table[ s->mb_index2xy[i] ] - qscale_table[ s->mb_index2xy[i+1] ] >2)
qscale_table[ s->mb_index2xy[i] ]= qscale_table[ s->mb_index2xy[i+1] ]+2;
}
if(s->codec_id != CODEC_ID_H263P){
for(i=1; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&CANDIDATE_MB_TYPE_INTER4V)){
s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_INTER4V;
s->mb_type[mb_xy]|= CANDIDATE_MB_TYPE_INTER;
}
}
}
}
/**
@ -507,15 +518,6 @@ void ff_clean_mpeg4_qscales(MpegEncContext *s){
ff_clean_h263_qscales(s);
for(i=1; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&CANDIDATE_MB_TYPE_INTER4V)){
s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_INTER4V;
s->mb_type[mb_xy]|= CANDIDATE_MB_TYPE_INTER;
}
}
if(s->pict_type== B_TYPE){
int odd=0;
/* ok, come on, this isnt funny anymore, theres more code for handling this mpeg4 mess than