+static void update_canvas_size(AVCodecContext *avctx, int w, int h)
+{
+ WebPContext *s = avctx->priv_data;
+ if (s->width && s->width != w) {
+ av_log(avctx, AV_LOG_WARNING, "Width mismatch. %d != %d\n",
+ s->width, w);
+ }
+ s->width = w;
+ if (s->height && s->height != h) {
+ av_log(avctx, AV_LOG_WARNING, "Height mismatch. %d != %d\n",
+ s->height, h);
+ }
+ s->height = h;
+}
+