Merge remote-tracking branch 'qatar/master'

* qatar/master:
  pthread: make sure AVFrame.extended_data is set properly.
  libfdk-aac: reindent after last commit
  libfdk-aac: Limit to supported sample rates.
  cbrt_tablegen: Include libm.h
  oggparsetheora: make it more robust
  ogg: prevent NULL pointer deference in theora gptopts

Conflicts:
	libavformat/oggparsetheora.c

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

libavcodec/pthread.c

@@ -387,6 +387,10 @@ static attribute_align_arg void *frame_worker_thread(void *arg)
         p->got_frame = 0;
         p->result = codec->decode(avctx, &p->frame, &p->got_frame, &p->avpkt);
 
+        /* many decoders assign whole AVFrames, thus overwriting extended_data;
+         * make sure it's set correctly */
+        p->frame.extended_data = p->frame.data;
+
         if (p->state == STATE_SETTING_UP) ff_thread_finish_setup(avctx);
 
         pthread_mutex_lock(&p->progress_mutex);