[SCM] libav/experimental: edge bugfix 1-1.3% lower bitrate and +0.01 PSNR (foremen at 352x288 qscale=1, 8)
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:41:18 UTC 2013
The following commit has been merged in the experimental branch:
commit 64886072f56a143e5c61dc0faab26f5f43c7c19f
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Wed Aug 25 00:26:01 2004 +0000
edge bugfix
1-1.3% lower bitrate and +0.01 PSNR (foremen at 352x288 qscale=1,8)
Originally committed as revision 3414 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 6b8081b..73be310 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -2642,10 +2642,18 @@ static int encode_init(AVCodecContext *avctx)
static int frame_start(SnowContext *s){
AVFrame tmp;
+ int w= s->avctx->width; //FIXME round up to x16 ?
+ int h= s->avctx->height;
if(s->keyframe)
reset_contexts(s);
+ if(s->current_picture.data[0]){
+ draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w , h , EDGE_WIDTH );
+ draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2);
+ draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2);
+ }
+
tmp= s->last_picture;
s->last_picture= s->current_picture;
s->current_picture= tmp;
--
Libav/FFmpeg packaging
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