@@ -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);