---
 libavcodec/utils.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index e18f42d..42493e1 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -900,7 +900,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext 
*avctx, const AVCodec *code
     if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
         goto free_and_end;
 
-    if (avctx->coded_width && avctx->coded_height)
+    if (avctx->coded_width && avctx->coded_height && !avctx->width && 
!avctx->height)
         avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
     else if (avctx->width && avctx->height)
         avcodec_set_dimensions(avctx, avctx->width, avctx->height);
-- 
1.7.10.4

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