diff options
Diffstat (limited to 'libvo')
| -rw-r--r-- | libvo/csputils.c | 14 | ||||
| -rw-r--r-- | libvo/csputils.h | 8 |
2 files changed, 22 insertions, 0 deletions
diff --git a/libvo/csputils.c b/libvo/csputils.c index b894a2f869..b0255a00dc 100644 --- a/libvo/csputils.c +++ b/libvo/csputils.c @@ -361,3 +361,17 @@ void mp_invert_yuv2rgb(float out[3][4], float in[3][4]) out[1][3] = -(out[1][0] * m03 + out[1][1] * m13 + out[1][2] * m23); out[2][3] = -(out[2][0] * m03 + out[2][1] * m13 + out[2][2] * m23); } + +// Multiply the color in c with the given matrix. +// c is {R, G, B} or {Y, U, V} (depending on input/output and matrix). +void mp_map_color(float matrix[3][4], uint8_t c[3]) +{ + uint8_t in[3] = {c[0], c[1], c[2]}; + for (int i = 0; i < 3; i++) { + double val = matrix[i][3] * 255; + for (int x = 0; x < 3; x++) + val += matrix[i][x] * in[x]; + int ival = lrint(val); + c[i] = FFMIN(FFMAX(ival, 0), 255); + } +} diff --git a/libvo/csputils.h b/libvo/csputils.h index 0dd75b0549..e4fb32e156 100644 --- a/libvo/csputils.h +++ b/libvo/csputils.h @@ -73,6 +73,12 @@ struct mp_csp_params { int input_bits; }; +#define MP_CSP_PARAMS_DEFAULTS { \ + .colorspace = MP_CSP_DETAILS_DEFAULTS, \ + .brightness = 0, .contrast = 1, .hue = 0, .saturation = 1, \ + .rgamma = 1, .ggamma = 1, .bgamma = 1, \ + .texture_bits = 8, .input_bits = 8} + enum mp_csp_equalizer_param { MP_CSP_EQ_BRIGHTNESS, MP_CSP_EQ_CONTRAST, @@ -143,4 +149,6 @@ void mp_gen_yuv2rgb_map(struct mp_csp_params *params, uint8_t *map, int size); (minv)[c][3] * (scale)) void mp_invert_yuv2rgb(float out[3][4], float in[3][4]); +void mp_map_color(float matrix[3][4], uint8_t c[3]); + #endif /* MPLAYER_CSPUTILS_H */ |