1 files changed, 33 insertions, 0 deletions
diff --git a/contrib/ffmpeg/A04-snow-use-videodspcontext.patch b/contrib/ffmpeg/A04-snow-use-videodspcontext.patch
new file mode 100644
index 000000000..fc9a120b9
--- /dev/null
+++ b/contrib/ffmpeg/A04-snow-use-videodspcontext.patch
@@ -0,0 +1,33 @@
+diff --git a/libavcodec/snow.c b/libavcodec/snow.c
+index b9dab45..153e5b2 100644
+--- a/libavcodec/snow.c
++++ b/libavcodec/snow.c
+@@ -349,7 +349,7 @@ void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride,
+         src += sx + sy*stride;
+         if(   (unsigned)sx >= w - b_w - (HTAPS_MAX-2)
+            || (unsigned)sy >= h - b_h - (HTAPS_MAX-2)){
+-            s->dsp.emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1, sx, sy, w, h);
++            s->vdsp.emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1, sx, sy, w, h);
+             src= tmp + MB_SIZE;
+         }
+ //        assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h);
+@@ -402,6 +402,7 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){
+     s->max_ref_frames=1; //just make sure its not an invalid value in case of no initial keyframe
+ 
+     ff_dsputil_init(&s->dsp, avctx);
++    ff_videodsp_init(&s->vdsp, 8);
+     ff_dwt_init(&s->dwt);
+ 
+ #define mcf(dx,dy)\
+diff --git a/libavcodec/snow.h b/libavcodec/snow.h
+index abf3309..b988115 100644
+--- a/libavcodec/snow.h
++++ b/libavcodec/snow.h
+@@ -108,6 +108,7 @@ typedef struct SnowContext{
+     AVCodecContext *avctx;
+     RangeCoder c;
+     DSPContext dsp;
++    VideoDSPContext vdsp;
+     DWTContext dwt;
+     AVFrame new_picture;
+     AVFrame input_picture;              ///< new_picture with the internal linesizes