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Image: Fix Wtype-limits warnings in zm_convert_yuyv_rgb 

The intermediate values can be negative. Change the variables to be signed so the clamping later on works correctly.
This commit is contained in:
Peter Keresztes Schmidt 2021-04-12 00:20:28 +02:00
parent 11cfa86de3
commit 4894c319cc
1 changed files with 2 additions and 2 deletions
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4
src/zm_image.cpp
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@ -4720,8 +4720,8 @@ void ssse3_convert_yuyv_gray8(const uint8_t* col1, uint8_t* result, unsigned lon
/* YUYV to RGB24 - relocated from zm_local_camera.cpp */
__attribute__((noinline)) void zm_convert_yuyv_rgb(const uint8_t* col1, uint8_t* result, unsigned long count) {
unsigned int r,g,b;
unsigned int y1,y2,u,v;
int32 r,g,b;
int32 y1,y2,u,v;
for(unsigned int i=0; i < count; i += 2, col1 += 4, result += 6) {
y1 = col1[0];
u = col1[1];