diff options
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)) { |