diff --git a/libavcodec/vp5.c b/libavcodec/vp5.c
index f4d1c7feea..b60928241d 100644
--- a/libavcodec/vp5.c
+++ b/libavcodec/vp5.c
@@ -28,6 +28,7 @@
 
 #include "avcodec.h"
 #include "get_bits.h"
+#include "internal.h"
 
 #include "vp56.h"
 #include "vp56data.h"
@@ -67,7 +68,9 @@ static int vp5_parse_header(VP56Context *s, const uint8_t *buf, int buf_size,
         if (!s->macroblocks || /* first frame */
             16*cols != s->avctx->coded_width ||
             16*rows != s->avctx->coded_height) {
-            avcodec_set_dimensions(s->avctx, 16*cols, 16*rows);
+            int ret = ff_set_dimensions(s->avctx, 16 * cols, 16 * rows);
+            if (ret < 0)
+                return ret;
             return VP56_SIZE_CHANGE;
         }
     } else if (!s->macroblocks)
diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c
index 35df0e0e1c..53a0271188 100644
--- a/libavcodec/vp56.c
+++ b/libavcodec/vp56.c
@@ -470,7 +470,7 @@ static int vp56_size_changed(AVCodecContext *avctx)
     s->mb_height = (avctx->coded_height+15) / 16;
 
     if (s->mb_width > 1000 || s->mb_height > 1000) {
-        avcodec_set_dimensions(avctx, 0, 0);
+        ff_set_dimensions(avctx, 0, 0);
         av_log(avctx, AV_LOG_ERROR, "picture too big\n");
         return -1;
     }
@@ -528,7 +528,7 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
             for (i = 0; i < 4; i++)
                 av_frame_unref(s->frames[i]);
             if (is_alpha) {
-                avcodec_set_dimensions(avctx, 0, 0);
+                ff_set_dimensions(avctx, 0, 0);
                 return -1;
             }
         }
diff --git a/libavcodec/vp6.c b/libavcodec/vp6.c
index fddfc9d04b..d10a64001a 100644
--- a/libavcodec/vp6.c
+++ b/libavcodec/vp6.c
@@ -32,6 +32,7 @@
 #include "avcodec.h"
 #include "get_bits.h"
 #include "huffman.h"
+#include "internal.h"
 
 #include "vp56.h"
 #include "vp56data.h"
@@ -93,7 +94,10 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size,
                 s->avctx->coded_width  = 16 * cols;
                 s->avctx->coded_height = 16 * rows;
             } else {
-                avcodec_set_dimensions(s->avctx, 16 * cols, 16 * rows);
+                int ret = ff_set_dimensions(s->avctx, 16 * cols, 16 * rows);
+                if (ret < 0)
+                    return ret;
+
                 if (s->avctx->extradata_size == 1) {
                     s->avctx->width  -= s->avctx->extradata[0] >> 4;
                     s->avctx->height -= s->avctx->extradata[0] & 0x0F;
@@ -154,7 +158,7 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size,
         buf_size -= coeff_offset;
         if (buf_size < 0) {
             if (s->frames[VP56_FRAME_CURRENT]->key_frame)
-                avcodec_set_dimensions(s->avctx, 0, 0);
+                ff_set_dimensions(s->avctx, 0, 0);
             return AVERROR_INVALIDDATA;
         }
         if (s->use_huffman) {