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authorMichael Niedermayer <michael@niedermayer.cc>2016-01-04 23:22:25 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2016-01-04 23:54:11 +0100
commit1edf129cbc897447a289ca8b045853df5df1bab3 (patch)
treefe6973175af58a546ff1159b4e2567d62ed9161f
parent9434ec5f767cfb71c1179f3e118fc38b6d33699e (diff)
downloadffmpeg-1edf129cbc897447a289ca8b045853df5df1bab3.tar.gz
swscale/utils: Use normal bilinear scaler if fast cannot be used due to tiny dimensions
Fixes Ticket4960 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libswscale/utils.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index e5593af4dd..1875a54772 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1202,6 +1202,12 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
srcW, srcH, dstW, dstH);
return AVERROR(EINVAL);
}
+ if (flags & SWS_FAST_BILINEAR) {
+ if (srcW < 8 || dstW < 8) {
+ flags ^= SWS_FAST_BILINEAR | SWS_BILINEAR;
+ c->flags = flags;
+ }
+ }
if (!dstFilter)
dstFilter = &dummyFilter;