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authorMichael Niedermayer <michael@niedermayer.cc>2020-01-22 00:52:19 +0300
committerMichael Niedermayer <michael@niedermayer.cc>2020-07-01 14:33:44 +0300
commitffe2c013dcfc85d82dd2e2f1075690b0b95eb56a (patch)
tree416ef9ae580b56f60af3f88b5c079cba6bf0e4e9 /libswscale
parent04ee309be0711152de2844580639241c7703e562 (diff)
swscale/output: Fix several invalid shifts in yuv2rgb_full_1_c_template()
Fixes: Invalid shifts Fixes: #8320 Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 7b7f97532b2ac8836d8d8e3c71dd026e35ae1ca7) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/output.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/libswscale/output.c b/libswscale/output.c
index 0af2fffea4..bb90e12c6b 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -1905,7 +1905,7 @@ yuv2rgb_full_1_c_template(SwsContext *c, const int16_t *buf0,
if (uvalpha < 2048) {
int A = 0; //init to silence warning
for (i = 0; i < dstW; i++) {
- int Y = buf0[i] << 2;
+ int Y = buf0[i] * 4;
int U = (ubuf0[i] - (128<<7)) * 4;
int V = (vbuf0[i] - (128<<7)) * 4;
@@ -1922,9 +1922,9 @@ yuv2rgb_full_1_c_template(SwsContext *c, const int16_t *buf0,
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
int A = 0; //init to silence warning
for (i = 0; i < dstW; i++) {
- int Y = buf0[i] << 2;
- int U = (ubuf0[i] + ubuf1[i] - (128<<8)) << 1;
- int V = (vbuf0[i] + vbuf1[i] - (128<<8)) << 1;
+ int Y = buf0[i] * 4;
+ int U = (ubuf0[i] + ubuf1[i] - (128<<8)) * 2;
+ int V = (vbuf0[i] + vbuf1[i] - (128<<8)) * 2;
if (hasAlpha) {
A = (abuf0[i] + 64) >> 7;