libavcodec/dpcm.c:255: error: Uninitialized Value
  The value read from predictor[_] was never initialized.

libavcodec/dpcm.c:255:13: 
253.         ch = 0;
254.         while (output_samples < samples_end) {
255.             predictor[ch] += interplay_delta_table[bytestream2_get_byteu(&gb)];
                 ^
256.             predictor[ch]  = av_clip_int16(predictor[ch]);
257.             *output_samples++ = predictor[ch];
