libavcodec/utils.c:1714: error: Uninitialized Value
  The value read from got_frame was never initialized.

libavcodec/utils.c:1714:9: 
1712.     }
1713. 
1714.     if (got_frame)
              ^
1715.         av_assert0(avctx->internal->buffer_frame->buf[0]);
1716. 
