summaryrefslogtreecommitdiff
path: root/libswscale
diff options
context:
space:
mode:
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/utils.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index db937b160f..e5593af4dd 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1803,6 +1803,9 @@ fail: // FIXME replace things by appropriate error codes
int tmpH = sqrt(srcH * (int64_t)dstH);
enum AVPixelFormat tmpFormat = AV_PIX_FMT_YUV420P;
+ if (isALPHA(srcFormat))
+ tmpFormat = AV_PIX_FMT_YUVA420P;
+
if (srcW*(int64_t)srcH <= 4LL*dstW*dstH)
return AVERROR(EINVAL);