1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/vp8.h b/libavcodec/vp8.h
index 6555629806..6d864b9a7f 100644
--- a/libavcodec/vp8.h
+++ b/libavcodec/vp8.h
@@ -120,7 +120,9 @@ typedef struct VP8ThreadData {
 #endif
     int thread_mb_pos; // (mb_y << 16) | (mb_x & 0xFFFF)
     int wait_mb_pos; // What the current thread is waiting on.
-    uint8_t *edge_emu_buffer;
+
+#define EDGE_EMU_LINESIZE 32
+    DECLARE_ALIGNED(16, uint8_t, edge_emu_buffer)[21 * EDGE_EMU_LINESIZE];
     VP8FilterStrength *filter_strength;
 } VP8ThreadData;