Rewrite emu_edge functions to have separate src/dst_stride arguments.

This allows supporting files for which the image stride is smaller than
the max. block size + number of subpel mc taps, e.g. a 64x64 VP9 file
or a 16x16 VP8 file with -fflags +emu_edge.

1 files changed, 9 insertions, 6 deletions

diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index 8834032974..f84fb005df 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -724,13 +724,16 @@ static inline void rv34_mc(RV34DecContext *r, const int block_type,
         uint8_t *uvbuf = s->edge_emu_buffer + 22 * s->linesize;
 
         srcY -= 2 + 2*s->linesize;
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
-                            src_x - 2, src_y - 2, s->h_edge_pos, s->v_edge_pos);
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize, srcY, s->linesize,
+                                 (width<<3)+6, (height<<3)+6, src_x - 2, src_y - 2,
+                                 s->h_edge_pos, s->v_edge_pos);
         srcY = s->edge_emu_buffer + 2 + 2*s->linesize;
-        s->vdsp.emulated_edge_mc(uvbuf     , srcU, s->uvlinesize, (width<<2)+1, (height<<2)+1,
-                            uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
-        s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, (width<<2)+1, (height<<2)+1,
-                            uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
+        s->vdsp.emulated_edge_mc(uvbuf, s->uvlinesize, srcU, s->uvlinesize,
+                                 (width<<2)+1, (height<<2)+1, uvsrc_x, uvsrc_y,
+                                 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
+        s->vdsp.emulated_edge_mc(uvbuf + 16, s->uvlinesize, srcV, s->uvlinesize,
+                                 (width<<2)+1, (height<<2)+1, uvsrc_x, uvsrc_y,
+                                 s->h_edge_pos >> 1, s->v_edge_pos >> 1);
         srcU = uvbuf;
         srcV = uvbuf + 16;
     }