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Revert "csputils: apply contrast equalizer in RGB"

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This reverts commit af930e2a2e.

Better avoid big behavior changes within a release series.
This commit is contained in:
Diogo Franco (Kovensky) 2015-05-08 16:40:01 +09:00
parent d939de5a71
commit 63b92944d0
1 changed files with 8 additions and 0 deletions
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8
video/csputils.c
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@ -689,6 +689,14 @@ void mp_get_yuv2rgb_coeffs(struct mp_csp_params *params, struct mp_cmat *m)
+ params->brightness;
}
// Brightness adds a constant to output R,G,B.
// Contrast scales Y around 1/2 (not 0 in this implementation).
for (int i = 0; i < 3; i++) {
m->c[i] += params->brightness;
m->m[i][0] *= params->contrast;
m->c[i] += (rgblev.max-rgblev.min) * (1 - params->contrast)/2;
}
int in_bits = FFMAX(params->int_bits_in, 1);
int out_bits = FFMAX(params->int_bits_out, 1);
double in_scale = (1 << in_bits) - 1.0;