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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-10 14:03:01 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-10 15:00:19 +0200 |
| commit | 816cf5181e35ebb595634762a45c7c94cd7b6760 (patch) | |
| tree | 17ab08ec0b13b90e2b89c30cf802d42dcbc646a6 /libswscale | |
| parent | dfd3fd67bbfdfb01fd5fabc6fcea001694c0a97e (diff) | |
| download | ffmpeg-816cf5181e35ebb595634762a45c7c94cd7b6760.tar.gz | |
swscale/utils: If the source has no alpha then disable alpha blendaway
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/utils.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index 354ec055f2..777f85e46b 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1144,6 +1144,10 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, desc_src = av_pix_fmt_desc_get(srcFormat); desc_dst = av_pix_fmt_desc_get(dstFormat); + // If the source has no alpha then disable alpha blendaway + if (c->src0Alpha) + c->alphablend = SWS_ALPHA_BLEND_NONE; + if (!(unscaled && sws_isSupportedEndiannessConversion(srcFormat) && av_pix_fmt_swap_endianness(srcFormat) == dstFormat)) { if (!sws_isSupportedInput(srcFormat)) { |