s->avctx = avctx;
+ if (avctx->width < 4 || avctx->height < 4)
+ return AVERROR_INVALIDDATA;
+
/* figure out the colorspace based on the presence of a palette */
if (s->avctx->bits_per_coded_sample == 8) {
s->mode_8bit = 1;
return AVERROR_INVALIDDATA;
}
- if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
+ if ((ret = ff_reget_buffer(avctx, s->frame, 0)) < 0)
return ret;
if (s->mode_8bit) {