[FFmpeg-cvslog] r9855 - trunk/libavcodec/mpeg12.c
michael
subversion
Wed Aug 1 21:17:36 CEST 2007
Author: michael
Date: Wed Aug 1 21:17:36 2007
New Revision: 9855
Log:
merge 2 if()
this safes 1-2 cpu cycles
Modified:
trunk/libavcodec/mpeg12.c
Modified: trunk/libavcodec/mpeg12.c
==============================================================================
--- trunk/libavcodec/mpeg12.c (original)
+++ trunk/libavcodec/mpeg12.c Wed Aug 1 21:17:36 2007
@@ -338,23 +338,20 @@ static int mpeg_decode_mb(MpegEncContext
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);
- }
-
- if (IS_QUANT(mb_type))
- s->qscale = get_qscale(s);
-
s->mv_dir = MV_DIR_FORWARD;
- if(s->picture_structure == PICT_FRAME)
+ 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{
+ }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->last_mv[0][0][0] = 0;
s->last_mv[0][0][1] = 0;
s->last_mv[0][1][0] = 0;
More information about the ffmpeg-cvslog
mailing list