libavcodec/atrac3.c:924: error: Uninitialized Value
  The value read from samples_per_frame was never initialized.

libavcodec/atrac3.c:924:9: 
922.     }
923. 
924.     if (samples_per_frame != SAMPLES_PER_FRAME &&
             ^
925.         samples_per_frame != SAMPLES_PER_FRAME * 2) {
926.         av_log(avctx, AV_LOG_ERROR, "Unknown amount of samples per frame %d.\n",
