[FFmpeg-cvslog] snow: emu edge support

[Michael Niedermayer]

ffmpeg | branch: release/0.8 | Michael Niedermayer <michaelni at gmx.at> | Wed Oct 26 15:47:14 2011 +0200| [c4a34f402528502a857e134a670421048c388c93] | committer: Michael Niedermayer

snow: emu edge support
Fixes Ticket592

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 4416931fc069332e267ab6df037a1227c051d7b1)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c4a34f402528502a857e134a670421048c388c93
---

 libavcodec/snow.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 43a7190..86ab710 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -1917,8 +1917,6 @@ static void dwt_quantize(SnowContext *s, Plane *p, DWTELEM *buffer, int width, i
 static void halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){
     int p,x,y;
 
-    assert(!(s->avctx->flags & CODEC_FLAG_EMU_EDGE));
-
     for(p=0; p<3; p++){
         int is_chroma= !!p;
         int w= s->avctx->width  >>is_chroma;
@@ -1975,7 +1973,7 @@ static int frame_start(SnowContext *s){
    int w= s->avctx->width; //FIXME round up to x16 ?
    int h= s->avctx->height;
 
-    if(s->current_picture.data[0]){
+    if(s->current_picture.data[0] && !(s->avctx->flags&CODEC_FLAG_EMU_EDGE)){
         s->dsp.draw_edges(s->current_picture.data[0],
                           s->current_picture.linesize[0], w   , h   ,
                           EDGE_WIDTH  , EDGE_WIDTH  , EDGE_TOP | EDGE_BOTTOM);