avcodec/mpegvideo: dont overwrite emu_edge buffer

[ffmpeg] / libavcodec / mpegvideo.c

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 4d1a70f33cec6ff5257bfb8b41c7d2e74329e88e..ef8905ab2cb0a1de520349d4ed1ee18dcb789332 100644 (file)
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -450,7 +450,8 @@ static int frame_size_alloc(MpegEncContext *s, int linesize)
     // VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9
     // at uvlinesize. It supports only YUV420 so 24x24 is enough
     // linesize * interlaced * MBsize
-    FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 4 * 24,
+    // we also use this buffer for encoding in encode_mb_internal() needig an additional 32 lines
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 4 * 68,
                       fail);
 
     FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 4 * 16 * 2,