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Code Issues Releases Activity

Factor out block decoding in ff_h263_decode_mb()

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Originally committed as revision 17734 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2009-03-02 17:18:49 +00:00
parent 7115cbda30
commit b89e77cff7
1 changed files with 11 additions and 25 deletions
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24
libavcodec/h263.c
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@ -4005,18 +4005,6 @@ int ff_h263_decode_mb(MpegEncContext *s,
mot_val[1] = my;
}
}
/* decode each block */
for (i = 0; i < 6; i++) {
if (h263_decode_block(s, block[i], i, cbp&32) < 0)
return -1;
cbp+=cbp;
}
if(s->obmc){
if(s->pict_type == FF_P_TYPE && s->mb_x+1<s->mb_width && s->mb_num_left != 1)
preview_obmc(s);
}
} else if(s->pict_type==FF_B_TYPE) {
int mb_type;
const int stride= s->b8_stride;
@ -4105,13 +4093,6 @@ int ff_h263_decode_mb(MpegEncContext *s,
}
s->current_picture.mb_type[xy]= mb_type;
/* decode each block */
for (i = 0; i < 6; i++) {
if (h263_decode_block(s, block[i], i, cbp&32) < 0)
return -1;
cbp+=cbp;
}
} else { /* I-Frame */
do{
cbpc = get_vlc2(&s->gb, intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
@ -4146,6 +4127,7 @@ intra:
if (dquant) {
h263_decode_dquant(s);
}
}
/* decode each block */
for (i = 0; i < 6; i++) {
@ -4153,6 +4135,10 @@ intra:
return -1;
cbp+=cbp;
}
if(s->obmc && !s->mb_intra){
if(s->pict_type == FF_P_TYPE && s->mb_x+1<s->mb_width && s->mb_num_left != 1)
preview_obmc(s);
}
end: