vp9: add support for resolution changes in inter frames.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/libavcodec/vp9dsp.h b/libavcodec/vp9dsp.h
index db0a92e210..33dfc09acd 100644
--- a/libavcodec/vp9dsp.h
+++ b/libavcodec/vp9dsp.h
@@ -32,6 +32,9 @@
 typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
                             const uint8_t *ref, ptrdiff_t ref_stride,
                             int h, int mx, int my);
+typedef void (*vp9_scaled_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
+                                   const uint8_t *ref, ptrdiff_t ref_stride,
+                                   int h, int mx, int my, int dx, int dy);
 
 typedef struct VP9DSPContext {
     /*
@@ -109,6 +112,12 @@ typedef struct VP9DSPContext {
      * dst/stride are aligned by hsize
      */
     vp9_mc_func mc[5][4][2][2][2];
+
+    /*
+     * for scalable MC, first 3 dimensions identical to above, the other two
+     * don't exist since it changes per stepsize.
+     */
+    vp9_scaled_mc_func smc[5][4][2];
 } VP9DSPContext;
 
 void ff_vp9dsp_init(VP9DSPContext *dsp);