avcodec/internal: increase FF_SANE_NB_CHANNELS to 256

This was reduced from 128 in libav commit
192f1984, but since we support unknown channel
layouts, we can increase this limit.

Fixes ticket #6332.
Signed-off-by: Marton Balint <cus@passwd.hu>

libavcodec/internal.h

@@ -83,7 +83,7 @@
 #define FF_QSCALE_TYPE_H264  2
 #define FF_QSCALE_TYPE_VP56  3
 
-#define FF_SANE_NB_CHANNELS 64U
+#define FF_SANE_NB_CHANNELS 256U
 
 #define FF_SIGNBIT(x) ((x) >> CHAR_BIT * sizeof(x) - 1)
 

libavcodec/version.h

@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  58
 #define LIBAVCODEC_VERSION_MINOR  21
-#define LIBAVCODEC_VERSION_MICRO 104
+#define LIBAVCODEC_VERSION_MICRO 105
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \