ff_get_format: fix infinite loop

Signed-off-by: Anton Khirnov <anton@khirnov.net>

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 94eca9bd11e1f5022355b27282e0a772e8c37b73..80ba858b23b019da0fdc3364913d82d47a1bc3f2 100644 (file)
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -973,7 +973,7 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
 
         do
             choices[n] = choices[n + 1];
-        while (choices[n] != AV_PIX_FMT_NONE);
+        while (choices[n++] != AV_PIX_FMT_NONE);
     }
 
     av_freep(&choices);