[SCM] libav/experimental: Minor simplification of code in init_poc().
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:25:59 UTC 2013
The following commit has been merged in the experimental branch:
commit b78a6baaf1e25f93cae070526448d5246b31a334
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Thu Jul 24 22:29:38 2008 +0000
Minor simplification of code in init_poc().
Originally committed as revision 14379 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 437a605..209c6ec 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3699,10 +3699,9 @@ static int init_poc(H264Context *h){
const int max_frame_num= 1<<h->sps.log2_max_frame_num;
int field_poc[2];
+ h->frame_num_offset= h->prev_frame_num_offset;
if(h->frame_num < h->prev_frame_num)
- h->frame_num_offset= h->prev_frame_num_offset + max_frame_num;
- else
- h->frame_num_offset= h->prev_frame_num_offset;
+ h->frame_num_offset += max_frame_num;
if(h->sps.poc_type==0){
const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
@@ -3753,10 +3752,10 @@ static int init_poc(H264Context *h){
if(s->picture_structure == PICT_FRAME)
field_poc[1] += h->delta_poc[1];
}else{
- int poc;
+ int poc= 2*(h->frame_num_offset + h->frame_num);
- if(h->nal_ref_idc) poc= 2*(h->frame_num_offset + h->frame_num);
- else poc= 2*(h->frame_num_offset + h->frame_num) - 1;
+ if(!h->nal_ref_idc)
+ poc--;
field_poc[0]= poc;
field_poc[1]= poc;
--
Libav/FFmpeg packaging
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