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#include "goom_fx.h"
#include "goom_plugin_info.h"
#include "goomsl.h"
#include "goom_config.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static const char DEF_SCRIPT[] = "\n\n";
#if 0
"-> config;\n"
"-> main;\n"
"\n"
"<config>\n"
" float INCREASE_RATE = 150%;\n"
" float DECAY_RATE = 96%;\n"
"\n"
"<main>\n"
" (Sound.Goom_Detection > 0.8) ?\n"
" Bright_Flash.Factor = Bright_Flash.Factor + Sound.Goom_Power * INCREASE_RATE;\n"
"\n"
" Bright_Flash.Factor = Bright_Flash.Factor * DECAY_RATE;\n"
"\n";
#endif
#define MAX 2.0f
typedef struct _CONV_DATA{
/* float factor;
int lock;
int started;
float curPower;*/
PluginParam light;
PluginParam factor_adj_p;
PluginParam factor_p;
PluginParam script_p;
PluginParam compile_p;
PluginParameters params;
GoomSL *script;
} ConvData;
static void convolve_init(VisualFX *_this) {
ConvData *data;
data = (ConvData*)malloc(sizeof(ConvData));
data->light = secure_f_param("Screen Brightness");
data->light.param.fval.max = 300.0f;
data->light.param.fval.step = 1.0f;
data->light.param.fval.value = 100.0f;
data->factor_adj_p = secure_f_param("Flash Intensity");
data->factor_adj_p.param.fval.max = 100.0f;
data->factor_adj_p.param.fval.step = 1.0f;
data->factor_adj_p.param.fval.value = 50.0f;
data->factor_p = secure_f_feedback("Factor");
/* FVAL(data->factor_p) = data->factor / MAX;*/
data->script_p = secure_s_param("Script");
set_str_param_value(&data->script_p, DEF_SCRIPT);
data->compile_p = secure_b_param("Compile", 0);
data->params = plugin_parameters ("Bright Flash", 7);
data->params.params[0] = &data->light;
data->params.params[1] = &data->factor_adj_p;
data->params.params[2] = 0;
data->params.params[3] = &data->factor_p;
data->params.params[4] = 0;
data->params.params[5] = &data->script_p;
data->params.params[6] = &data->compile_p;
data->script = gsl_new();
_this->params = &data->params;
_this->fx_data = (void*)data;
}
static void convolve_free(VisualFX *_this) {
free (_this->fx_data);
}
void create_output_with_brightness(Pixel *src, Pixel *dest, int screensize, int iff) {
int i;
if (iff-256 == 0) {
memcpy(dest,src,screensize*sizeof(Pixel));
return;
}
for (i=screensize-1;i--;) {
unsigned int f,h,m,n;
f = (src[i].cop[0] * iff) >> 8;
h = (src[i].cop[1] * iff) >> 8;
m = (src[i].cop[2] * iff) >> 8;
n = (src[i].cop[3] * iff) >> 8;
dest[i].cop[0] = (f & 0xffffff00) ? 0xff : (unsigned char)f;
dest[i].cop[1] = (h & 0xffffff00) ? 0xff : (unsigned char)h;
dest[i].cop[2] = (m & 0xffffff00) ? 0xff : (unsigned char)m;
dest[i].cop[3] = (n & 0xffffff00) ? 0xff : (unsigned char)n;
}
}
static void convolve_apply(VisualFX *_this, Pixel *src, Pixel *dest, PluginInfo *info) {
ConvData *data = (ConvData*)_this->fx_data;
float ff;
int iff;
ff = (FVAL(data->factor_p) * FVAL(data->factor_adj_p) + FVAL(data->light) ) / 100.0f;
iff = (unsigned int)(ff * 256);
if (!gsl_is_compiled(data->script)) {
#ifdef VERBOSE
printf("setting default script for dynamic brightness\n");
#endif
gsl_compile(data->script, DEF_SCRIPT);
}
if (BVAL(data->compile_p)) { /* le bouton du pauvre ... */
gsl_compile(data->script, SVAL(data->script_p));
BVAL(data->compile_p) = 0;
data->compile_p.change_listener(&data->compile_p);
}
if (gsl_is_compiled(data->script)) {
gsl_execute(data->script);
}
info->methods.create_output_with_brightness(src,dest,info->screen.size,iff);
}
VisualFX convolve_create(void) {
VisualFX vfx = {
init: convolve_init,
free: convolve_free,
apply: convolve_apply,
fx_data: 0
};
return vfx;
}
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