diff options
Diffstat (limited to 'release/plugins/sequence/color-correction-yuv.c')
| -rw-r--r-- | release/plugins/sequence/color-correction-yuv.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/release/plugins/sequence/color-correction-yuv.c b/release/plugins/sequence/color-correction-yuv.c deleted file mode 100644 index c0c5d048b8f..00000000000 --- a/release/plugins/sequence/color-correction-yuv.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * Color Correction Plugin (YUV Version) 0.01 - * - * Copyright (c) 2005 Peter Schlaile - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <math.h> -#include "plugin.h" -#include <stdio.h> - -char name[]= "Color Correction"; - -VarStruct varstr[]= { - { NUMSLI|FLO, "St Y:", 0.0, -1.0, 1.0, "Setup Y"}, - { NUMSLI|FLO, "Gn Y:", 1.0, 0.0, 10.0,"Gain Y"}, - { NUMSLI|FLO, "Ga Y:", 1.0, 0.0, 10.0, "Gamma Y"}, - - { NUMSLI|FLO, "Lo S:", 1.0, 0.0, 10.0,"Saturation Shadows"}, - { NUMSLI|FLO, "Md S:", 1.0, 0.0, 10.0,"Saturation Midtones"}, - { NUMSLI|FLO, "Hi S:", 1.0, 0.0, 10.0,"Saturation Highlights"}, - - { NUMSLI|FLO, "MA S:", 1.0, 0.0, 10.0,"Master Saturation"}, - { NUMSLI|FLO, "Lo T:", 0.25, 0.0, 1.0, - "Saturation Shadow Thres"}, - { NUMSLI|FLO, "Hi T:", 0.75, 0.0, 1.0, - "Saturation Highlights Thres"}, - { TOG|INT, "Debug", 0.0, 0.0, 1.0, - "Show curves as overlay"}, -}; - -typedef struct Cast { - float setup_y; - float gain_y; - float gamma_y; - - float sat_shadows; - float sat_midtones; - float sat_highlights; - - float master_sat; - float lo_thres; - float hi_thres; - int debug; -} Cast; - -float cfra; - -void plugin_seq_doit(Cast *, float, float, int, int, ImBuf *, ImBuf *, ImBuf *, ImBuf *); - -int plugin_seq_getversion(void) { return B_PLUGIN_VERSION;} -void plugin_but_changed(int but) {} -void plugin_init() {} - -void plugin_getinfo(PluginInfo *info) -{ - info->name= name; - info->nvars= sizeof(varstr)/sizeof(VarStruct); - info->cfra= &cfra; - - info->varstr= varstr; - - info->init= plugin_init; - info->seq_doit= (SeqDoit) plugin_seq_doit; - info->callback= plugin_but_changed; -} - -static void rgb_to_yuv(float rgb[3], float yuv[3]) -{ - yuv[0]= 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2]; - yuv[1]= 0.492*(rgb[2] - yuv[0]); - yuv[2]= 0.877*(rgb[0] - yuv[0]); - - /* Normalize */ - yuv[1] /= 0.436; - yuv[2] /= 0.615; -} - -static void yuv_to_rgb(float yuv[3], float rgb[3]) -{ - yuv[1] *= 0.436; - yuv[2] *= 0.615; - - rgb[0] = yuv[2]/0.877 + yuv[0]; - rgb[2] = yuv[1]/0.492 + yuv[0]; - rgb[1] = (yuv[0] - 0.299*rgb[0] - 0.114*rgb[2]) / 0.587; - if (rgb[0] > 1.0) { - rgb[0] = 1.0; - } - if (rgb[0] < 0.0) { - rgb[0] = 0.0; - } - if (rgb[1] > 1.0) { - rgb[1] = 1.0; - } - if (rgb[1] < 0.0) { - rgb[1] = 0.0; - } - if (rgb[2] > 1.0) { - rgb[2] = 1.0; - } - if (rgb[2] < 0.0) { - rgb[2] = 0.0; - } -} - -void plugin_seq_doit(Cast *cast, float facf0, float facf1, int width, - int height, ImBuf *ibuf1, ImBuf *ibuf2, ImBuf *out, ImBuf *use) { - char *dest, *src1, *src2; - int x, y, c; - float rgb[3]; - float yuv[3]; - float gamma_table[256]; - float uv_table[256]; - float *destf = out->rect_float; - float *src1f; - - if (!ibuf1) return; - - dest= (char *) out->rect; - src1= (char *) ibuf1->rect; - src1f= ibuf1->rect_float; - - for (y = 0; y < 256; y++) { - float v = 1.0 * y / 255; - v += cast->setup_y; - v *= cast->gain_y; - v = pow(v, cast->gamma_y); - if ( v > 1.0) { - v = 1.0; - } else if (v < 0.0) { - v = 0.0; - } - gamma_table[y] = v * 255; - } - - for (y = 0; y < 256; y++) { - float v = 1.0; - v *= cast->master_sat; - if (y < cast->lo_thres * 255) { - v *= cast->sat_shadows; - } else if (y > cast->hi_thres * 255) { - v *= cast->sat_highlights; - } else { - v *= cast->sat_midtones; - } - uv_table[y] = v; - } - - - for (y = 0; y < height; y++) { - for (x = 0; x < width; x++) { - float fac; - if (out->rect_float) { - rgb[0]= (float)src1f[0]/255.0; - rgb[1]= (float)src1f[1]/255.0; - rgb[2]= (float)src1f[2]/255.0; - } else { - rgb[0]= (float)src1[0]/255.0; - rgb[1]= (float)src1[1]/255.0; - rgb[2]= (float)src1[2]/255.0; - } - rgb_to_yuv(rgb, yuv); - - yuv[0] = gamma_table[(int) (yuv[0] * 255.0)] / 255.0; - fac = uv_table[(int) (255.0 * yuv[0])]; - - yuv[1] = yuv[1] * fac; - yuv[2] = yuv[2] * fac; - if (yuv[1] > 1.0) { - yuv[1] = 1.0; - } - if (yuv[1] < -1.0) { - yuv[1] = -1.0; - } - if (yuv[2] > 1.0) { - yuv[2] = 1.0; - } - if (yuv[2] < -1.0) { - yuv[2] = -1.0; - } - yuv_to_rgb(yuv, rgb); - - if (out->rect_float) { - *destf++ = rgb[0]; - *destf++ = rgb[1]; - *destf++ = rgb[2]; - destf++; - src1f += 4; - } else { - *dest++ = rgb[0]*255.0; - *dest++ = rgb[1]*255.0; - *dest++ = rgb[2]*255.0; - dest++; - src1 += 4; - } - } - } - - if (cast->debug) { - dest= (char *) out->rect; - for (c = 0; c < 10; c++) { - x = 0; - for (y = 0; y < 256; y++) { - char val = gamma_table[y]; - while (x < y * width / 255) { - *dest++ = val; - *dest++ = val; - *dest++ = val; - dest++; - x++; - } - } - } - for (c = 0; c < 10; c++) { - x = 0; - for (y = 0; y < 256; y++) { - char val = uv_table[y] * 255.0/10.0; - while (x < y * width / 255) { - *dest++ = val; - *dest++ = val; - *dest++ = val; - dest++; - x++; - } - } - } - } -} |