adpcmdec: set AVCodec.sample_fmts

[ffmpeg] / libavfilter / avfilter.c

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index d302264137f383dab3f0b625dd419fac64b31642..29afc86be72ab3282f2a3c7d827b584bb258fe42 100644 (file)
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -21,6 +21,7 @@
 
 /* #define DEBUG */
 
+#include "libavutil/common.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/rational.h"
 #include "libavutil/audioconvert.h"
@@ -301,6 +302,9 @@ static int pad_count(const AVFilterPad *pads)
 {
     int count;
 
+    if (!pads)
+        return 0;
+
     for(count = 0; pads->name; count ++) pads ++;
     return count;
 }