diff options
Diffstat (limited to 'libcamera/webcam-tools.c')
| -rw-r--r-- | libcamera/webcam-tools.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libcamera/webcam-tools.c b/libcamera/webcam-tools.c index 01a3501..2054ba9 100644 --- a/libcamera/webcam-tools.c +++ b/libcamera/webcam-tools.c @@ -729,7 +729,8 @@ static inline int minmax(int min, int v, int max) { return (v < min) ? min : (max < v) ? max : v; } static inline uint8_t yuv2r(int y, int u, int v) { - int c = y-16, d = u - 128, e = v - 128; + (void)(u); + int c = y-16, /*d = u - 128,*/ e = v - 128; // https://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1071301e-74a2-4de4-be72-81c34604cde9/program-to-translate-yuyv-to-rgbrgb?forum=windowsdirectshowdevelopment int r = (298 * c + 409 * e + 128) >> 8; // linaro webcam @@ -745,7 +746,8 @@ static inline uint8_t yuv2g(int y, int u, int v) { return minmax(0, g, 255); } static inline uint8_t yuv2b(int y, int u, int v) { - int c = y - 16, d = u - 128, e = v - 128; + (void)(v); + int c = y - 16, d = u - 128 /* , e = v - 128*/; int b = (298 * c + 516 * d + 128) >> 8; //int b = (1.164 * c + 2.018 * d ); //int b = (y + 454 * u) >> 8; @@ -754,8 +756,8 @@ static inline uint8_t yuv2b(int y, int u, int v) { unsigned char* yuyv2rgb(const unsigned char* yuyv, uint32_t width, uint32_t height) { unsigned char* rgb = calloc(width * height * 3, sizeof (unsigned char)); - for (long i = 0; i < height; i++) { - for ( long j = 0; j < width; j += 2) { + for (uint32_t i = 0; i < height; i++) { + for ( uint32_t j = 0; j < width; j += 2) { long indexPixel = i * width + j; long indexYUYV = indexPixel * 2, indexRGB = indexPixel * 3; unsigned char y0 = yuyv[indexYUYV + 0] ; |