Lines Matching defs:contrast
2 * Software equalizer (brightness, contrast, gamma, saturation)
4 * Hampa Hug <hampa@hampa.ch> (original LUT gamma/contrast/brightness filter)
6 * Richard Felker (original MMX contrast/brightness code (vf_eq.c))
62 double contrast;
129 int contrast, brightness;
137 contrast = (int) (par->c * 256 * 16);
138 brightness = ((int) (100.0 * par->b + 100.0) * 511) / 200 - 128 - contrast / 32;
141 contvec[0] = contvec[1] = contvec[2] = contvec[3] = contrast;
176 pel = ((*src++ * contrast) >> 12) + brightness;
306 eq2->contrast, eq2->brightness, eq2->gamma, eq2->saturation
313 eq2->contrast = c;
381 else if (strcmp (eq->item, "contrast") == 0) {
401 else if (strcmp (eq->item, "contrast") == 0) {
402 eq->value = (int) (100.0 * vf->priv->contrast) - 100;
475 eq2->contrast = 1.0;