libavcodec/ansi.c:217: error: Uninitialized Value
  The value read from width was never initialized.

libavcodec/ansi.c:217:13: 
215.             av_log_ask_for_sample(avctx, "unsupported screen mode\n");
216.         }
217.         if (width != avctx->width || height != avctx->height) {
                 ^
218.             if (s->frame.data[0])
219.                 avctx->release_buffer(avctx, &s->frame);
