[SCM] libav/experimental: Do not recalculate constant part of is_complex for every MB.
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:33:34 UTC 2013
The following commit has been merged in the experimental branch:
commit 89db0bae260ca55eaa054fa4ff63ea76ade41560
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Tue Dec 16 20:26:22 2008 +0000
Do not recalculate constant part of is_complex for every MB.
Originally committed as revision 16172 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 4796526..dab2d07 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -2610,9 +2610,7 @@ static void hl_decode_mb(H264Context *h){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
const int mb_type= s->current_picture.mb_type[mb_xy];
- int is_complex = FRAME_MBAFF || MB_FIELD || IS_INTRA_PCM(mb_type) || s->codec_id != CODEC_ID_H264 ||
- (ENABLE_GRAY && (s->flags&CODEC_FLAG_GRAY)) || (ENABLE_H264_ENCODER && s->encoding) || ENABLE_SMALL ||
- s->qscale == 0;
+ int is_complex = h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;
if(ENABLE_H264_ENCODER && !s->decode)
return;
@@ -6573,6 +6571,9 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){
s->mb_skip_run= -1;
+ h->is_complex = FRAME_MBAFF || s->picture_structure != PICT_FRAME || s->codec_id != CODEC_ID_H264 ||
+ (ENABLE_GRAY && (s->flags&CODEC_FLAG_GRAY)) || (ENABLE_H264_ENCODER && s->encoding) || ENABLE_SMALL;
+
if( h->pps.cabac ) {
int i;
diff --git a/libavcodec/h264.h b/libavcodec/h264.h
index 5599af9..7708195 100644
--- a/libavcodec/h264.h
+++ b/libavcodec/h264.h
@@ -491,6 +491,8 @@ typedef struct H264Context{
* pic_struct in picture timing SEI message
*/
SEI_PicStructType sei_pic_struct;
+
+ int is_complex;
}H264Context;
#endif /* AVCODEC_H264_H */
--
Libav/FFmpeg packaging
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