From 3e6682931b482e7c6ca0d62cacbf8744e5d9ee47 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 26 Sep 2019 17:13:16 +0200 Subject: swscale/output: Correct Alpha in yuv2ya16_X_c_template() Untested, no testcase Signed-off-by: Michael Niedermayer --- libswscale/output.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'libswscale') diff --git a/libswscale/output.c b/libswscale/output.c index 60a9bdf..ed8a692 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -905,7 +905,7 @@ yuv2ya16_X_c_template(SwsContext *c, const int16_t *lumFilter, for (i = 0; i < dstW; i++) { int j; int Y = -0x40000000; - int64_t A = 0xffff<<14; + int64_t A = 0xffff; for (j = 0; j < lumFilterSize; j++) Y += lumSrc[j][i] * lumFilter[j]; @@ -915,6 +915,7 @@ yuv2ya16_X_c_template(SwsContext *c, const int16_t *lumFilter, Y = av_clip_uint16(Y); if (hasAlpha) { + A = 1<<14; for (j = 0; j < lumFilterSize; j++) A += alpSrc[j][i] * lumFilter[j]; @@ -923,7 +924,7 @@ yuv2ya16_X_c_template(SwsContext *c, const int16_t *lumFilter, } output_pixel(&dest[2 * i ], Y); - output_pixel(&dest[2 * i + 1], hasAlpha ? A : 65535); + output_pixel(&dest[2 * i + 1], A); } } -- cgit v1.1