Hi,

On Wed, Oct 26, 2011 at 5:05 PM, Luca Barbato <[email protected]> wrote:
> From: Michael Niedermayer <[email protected]>
>
> Fix segfault on emu edge, to reproduce
>
> make fate-vsynth1-snow
> avplay -flags emu_edge tests/data/vsynth1/snow.avi
>
> Signed-off-by: Luca Barbato <[email protected]>
> ---
>  libavcodec/snow.c |    4 +---
>  1 files changed, 1 insertions(+), 3 deletions(-)
>
> diff --git a/libavcodec/snow.c b/libavcodec/snow.c
> index 02fc5f7..a3af577 100644
> --- a/libavcodec/snow.c
> +++ b/libavcodec/snow.c
> @@ -1609,8 +1609,6 @@ 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;
> @@ -1667,7 +1665,7 @@ 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);

LGTM.

Ronald
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