libavcodec/dxv.c:378: error: Uninitialized Value
  The value read from channels was never initialized.

libavcodec/dxv.c:378:5: 
376.         size = bytestream2_get_le32(gbc);
377.     }
378.     av_log(avctx, AV_LOG_DEBUG, "(%d channels)\n", channels);
         ^
379. 
380.     if (size != bytestream2_get_bytes_left(gbc)) {
