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-rw-r--r--libswscale/swscale.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 7756e1b52e..f6427bfb55 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -269,6 +269,9 @@ static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth,
} else if (c->readLumPlanar && !isAlpha) {
c->readLumPlanar(formatConvBuffer, src_in, srcW);
src = formatConvBuffer;
+ } else if (c->readAlpPlanar && isAlpha) {
+ c->readAlpPlanar(formatConvBuffer, src_in, srcW);
+ src = formatConvBuffer;
}
if (!c->hyscale_fast) {