+ if (avctx->width & 3) {
+ av_log(avctx, AV_LOG_ERROR, "width is not a multiple of 4\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (buf_size < avctx->width * avctx->height) {
+ av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
+ return AVERROR_INVALIDDATA;
+ }
+