libavcodec/paf.c:419: error: Uninitialized Value
  The value read from cb[_] was never initialized.

libavcodec/paf.c:419:13: 
417.         // always 2 channels
418.         for (i = 0; i < PAF_SOUND_SAMPLES * 2; i++)
419.             *output_samples++ = cb[*src++];
                 ^
420.     }
421.     *got_frame = 1;
