diff options
Diffstat (limited to 'vpx_dsp/add_noise.c')
| -rw-r--r-- | vpx_dsp/add_noise.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/vpx_dsp/add_noise.c b/vpx_dsp/add_noise.c index 4ae67a813..4808e79d2 100644 --- a/vpx_dsp/add_noise.c +++ b/vpx_dsp/add_noise.c @@ -17,23 +17,20 @@ #include "vpx/vpx_integer.h" #include "vpx_ports/mem.h" -void vpx_plane_add_noise_c(uint8_t *start, char *noise, - char blackclamp[16], - char whiteclamp[16], - char bothclamp[16], - unsigned int width, unsigned int height, int pitch) { +void vpx_plane_add_noise_c(uint8_t *start, const int8_t *noise, int blackclamp, + int whiteclamp, int width, int height, int pitch) { unsigned int i, j; - + int bothclamp = blackclamp + whiteclamp; for (i = 0; i < height; ++i) { uint8_t *pos = start + i * pitch; - char *ref = (char *)(noise + (rand() & 0xff)); // NOLINT + const int8_t *ref = (const int8_t *)(noise + (rand() & 0xff)); // NOLINT for (j = 0; j < width; ++j) { int v = pos[j]; - v = clamp(v - blackclamp[0], 0, 255); - v = clamp(v + bothclamp[0], 0, 255); - v = clamp(v - whiteclamp[0], 0, 255); + v = clamp(v - blackclamp, 0, 255); + v = clamp(v + bothclamp, 0, 255); + v = clamp(v - whiteclamp, 0, 255); pos[j] = v + ref[j]; } @@ -45,7 +42,7 @@ static double gaussian(double sigma, double mu, double x) { (exp(-(x - mu) * (x - mu) / (2 * sigma * sigma))); } -int vpx_setup_noise(double sigma, int size, char *noise) { +int vpx_setup_noise(double sigma, int8_t *noise, int size) { char char_dist[256]; int next = 0, i, j; |