From 1edf129cbc897447a289ca8b045853df5df1bab3 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 4 Jan 2016 23:22:25 +0100 Subject: swscale/utils: Use normal bilinear scaler if fast cannot be used due to tiny dimensions Fixes Ticket4960 Signed-off-by: Michael Niedermayer --- libswscale/utils.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'libswscale/utils.c') 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; -- cgit v1.2.3