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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-26 17:17:15 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-16 19:17:57 +0200 |
| commit | d260621089763fd09f2b3e97f43d2622759dc6c5 (patch) | |
| tree | 8e7b1bda9dc1a600278ae8a449acdc820f96f5e0 | |
| parent | 3e6682931b482e7c6ca0d62cacbf8744e5d9ee47 (diff) | |
| download | ffmpeg-streaming-d260621089763fd09f2b3e97f43d2622759dc6c5.zip ffmpeg-streaming-d260621089763fd09f2b3e97f43d2622759dc6c5.tar.gz | |
swscale/output: Avoid 64bit in Alpha in yuv2ya16_X_c_template()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libswscale/output.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libswscale/output.c b/libswscale/output.c index ed8a692..d192ea8 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; + int A = 0xffff; for (j = 0; j < lumFilterSize; j++) Y += lumSrc[j][i] * lumFilter[j]; @@ -915,11 +915,12 @@ yuv2ya16_X_c_template(SwsContext *c, const int16_t *lumFilter, Y = av_clip_uint16(Y); if (hasAlpha) { - A = 1<<14; + A = -0x40000000 + (1<<14); for (j = 0; j < lumFilterSize; j++) A += alpSrc[j][i] * lumFilter[j]; A >>= 15; + A += 0x8000; A = av_clip_uint16(A); } |
