Merge commit '192f1984'

* commit '192f1984':
  lavc: limit maximum number of channels to 63

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/internal.h

@@ -31,7 +31,7 @@
 #include "libavutil/pixfmt.h"
 #include "avcodec.h"
 
-#define FF_SANE_NB_CHANNELS 128U
+#define FF_SANE_NB_CHANNELS 63U
 
 typedef struct FramePool {
     /**