X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fvc1dec.c;h=40a3e501ddcb268cb163a9e796c9f6c67d5d7b4b;hb=d122c8b1028bb713c6c0cdb45d477f43b62d2436;hp=cbef89f254562b358f7b4b4c6a48f787e147b49a;hpb=0cc8e34a94c84132cf5b0f6472c5f61c8a66cee1;p=ffmpeg

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index cbef89f2545..40a3e501ddc 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -340,22 +340,22 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
 
     v->n_allocated_blks = s->mb_width + 2;
     v->block            = av_malloc(sizeof(*v->block) * v->n_allocated_blks);
-    v->cbp_base         = av_malloc(sizeof(v->cbp_base[0]) * 2 * s->mb_stride);
+    v->cbp_base         = av_malloc(sizeof(v->cbp_base[0]) * 3 * s->mb_stride);
     if (!v->block || !v->cbp_base)
         goto error;
-    v->cbp              = v->cbp_base + s->mb_stride;
-    v->ttblk_base       = av_malloc(sizeof(v->ttblk_base[0]) * 2 * s->mb_stride);
+    v->cbp              = v->cbp_base + 2 * s->mb_stride;
+    v->ttblk_base       = av_malloc(sizeof(v->ttblk_base[0]) * 3 * s->mb_stride);
     if (!v->ttblk_base)
         goto error;
-    v->ttblk            = v->ttblk_base + s->mb_stride;
-    v->is_intra_base    = av_mallocz(sizeof(v->is_intra_base[0]) * 2 * s->mb_stride);
+    v->ttblk            = v->ttblk_base + 2 * s->mb_stride;
+    v->is_intra_base    = av_mallocz(sizeof(v->is_intra_base[0]) * 3 * s->mb_stride);
     if (!v->is_intra_base)
         goto error;
-    v->is_intra         = v->is_intra_base + s->mb_stride;
-    v->luma_mv_base     = av_mallocz(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride);
+    v->is_intra         = v->is_intra_base + 2 * s->mb_stride;
+    v->luma_mv_base     = av_mallocz(sizeof(v->luma_mv_base[0]) * 3 * s->mb_stride);
     if (!v->luma_mv_base)
         goto error;
-    v->luma_mv          = v->luma_mv_base + s->mb_stride;
+    v->luma_mv          = v->luma_mv_base + 2 * s->mb_stride;
 
     /* allocate block type info in that way so it could be used with s->block_index[] */
     v->mb_type_base = av_malloc(s->b8_stride * (mb_height * 2 + 1) + s->mb_stride * (mb_height + 1) * 2);