libavcodec/atrac3.c:925: error: Uninitialized Value
  The value read from samples_per_frame was never initialized.

libavcodec/atrac3.c:925:9: 
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",
927.                samples_per_frame);
