From 64886072f56a143e5c61dc0faab26f5f43c7c19f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 25 Aug 2004 00:26:01 +0000
Subject: [PATCH] edge bugfix 1-1.3% lower bitrate and +0.01 PSNR
(foremen@352x288 qscale=1,8)
Originally committed as revision 3414 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/snow.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 6b8081b3cc1..73be310277f 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;
--
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