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-rw-r--r--libavcodec/webp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/webp.c b/libavcodec/webp.c
index 3fef45603c..ef7b26c4c8 100644
--- a/libavcodec/webp.c
+++ b/libavcodec/webp.c
@@ -1350,6 +1350,9 @@ static int vp8_lossy_decode_frame(AVCodecContext *avctx, AVFrame *p,
ret = ff_vp8_decode_frame(avctx, p, got_frame, &pkt);
if (ret < 0)
return ret;
+
+ update_canvas_size(avctx, avctx->width, avctx->height);
+
if (s->has_alpha) {
ret = vp8_lossy_decode_alpha(avctx, p, s->alpha_data,
s->alpha_data_size);