Merge remote-tracking branch 'ffmpeg-mt/master'

* ffmpeg-mt/master:
      Update todo
      The maximum buffer size needs to be 33, not 32

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

libavcodec/pthread.c

@@ -55,7 +55,7 @@ typedef struct ThreadContext {
 } ThreadContext;
 
 /// Max number of frame buffers that can be allocated when using frame threads.
-#define MAX_BUFFERS 32
+#define MAX_BUFFERS 33
 
 /**
  * Context used by codec threads and stored in their AVCodecContext thread_opaque.