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merge 2 if()

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this safes 1-2 cpu cycles

Originally committed as revision 9855 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-08-01 19:17:36 +00:00
parent af88ae54f4
commit fecc146b28
1 changed files with 9 additions and 12 deletions
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21
libavcodec/mpeg12.c
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@ -338,23 +338,20 @@ static int mpeg_decode_mb(MpegEncContext *s,
if (mb_type & MB_TYPE_ZERO_MV){
assert(mb_type & MB_TYPE_CBP);
/* compute dct type */
if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var?
!s->frame_pred_frame_dct) {
s->interlaced_dct = get_bits1(&s->gb);
s->mv_dir = MV_DIR_FORWARD;
if(s->picture_structure == PICT_FRAME){
if(!s->frame_pred_frame_dct)
s->interlaced_dct = get_bits1(&s->gb);
s->mv_type = MV_TYPE_16X16;
}else{
s->mv_type = MV_TYPE_FIELD;
mb_type |= MB_TYPE_INTERLACED;
s->field_select[0][0]= s->picture_structure - 1;
}
if (IS_QUANT(mb_type))
s->qscale = get_qscale(s);
s->mv_dir = MV_DIR_FORWARD;
if(s->picture_structure == PICT_FRAME)
s->mv_type = MV_TYPE_16X16;
else{
s->mv_type = MV_TYPE_FIELD;
mb_type |= MB_TYPE_INTERLACED;
s->field_select[0][0]= s->picture_structure - 1;
}
s->last_mv[0][0][0] = 0;
s->last_mv[0][0][1] = 0;
s->last_mv[0][1][0] = 0;