int effect_update(struct razer_fx_render_node *render)
{
float magnitude = daemon_get_parameter_float(daemon_effect_get_parameter_by_index(render->effect,1));
int x,y;
struct razer_rgb col;
#ifdef USE_DEBUGGING
printf(" (Fft.%d ## %%:%f)",render->id);
#endif
unsigned long samples_left=0;
while((samples_left=wav_samples_left(effect_input_file)))
{
unsigned int sample = read_wav_stereo_sample(effect_input_file);
short high = sample >> 16;
short low = sample & 0xFFFF;
//add sample to fft buffer
effect_fft_in[effect_fft_samples_used][0] = (double)high * effect_fft_hamming_buffer[effect_fft_samples_used];///(double)32768;//* windowHanning(step++, N);
effect_fft_in[effect_fft_samples_used++][1] = 0.0f;
//enough samples gathered?
if(effect_fft_samples_used==effect_fft_samples)
{
printf("Computing fft, still %d samples left\n",samples_left);
//compute fft
effect_fft_plan = fftw_plan_dft_1d(effect_fft_samples, effect_fft_in, effect_fft_out, FFTW_FORWARD, FFTW_ESTIMATE);
fftw_execute(effect_fft_plan);
fftw_destroy_plan(effect_fft_plan);
effect_fft_samples_used = 0;
double tmp_magnitude = sqrt(effect_fft_out[0][0]*effect_fft_out[0][0] + effect_fft_out[0][1]*effect_fft_out[0][1]);
tmp_magnitude = 10./log(10.) * log(tmp_magnitude + 1e-6);
printf("new fft mag db:%f\n",tmp_magnitude);
double sum = 0.0f;
for(int i=0;i<effect_fft_samples/2;i++)
{
double tmp_bin_magnitude = sqrt(effect_fft_out[i][0]*effect_fft_out[i][0] + effect_fft_out[i][1]*effect_fft_out[i][1]);
tmp_bin_magnitude = 10./log(10.) * log(tmp_bin_magnitude + 1e-6);
sum += tmp_bin_magnitude;
}
printf("sum:%f\n",sum/(effect_fft_samples/2));
magnitude = (float)tmp_magnitude - 50.0f;
break;
}
}
if(!samples_left)
{
#ifdef USE_DEBUGGING
printf("no samples left to analyze, closing input file\n");
#endif
close_wav(effect_input_file);
effect_input_file = NULL;
return(0);
}
//set color to avg magnitude ,transformed to 0.0-1.0 space
//calculate hue from magnitude
rgb_from_hue(magnitude/96,0.3f,0.0f,&col);
for(x=0;x<22;x++)
for(y=0;y<6;y++)
{
rgb_mix_into(&render->output_frame->rows[y].column[x],&render->input_frame->rows[y].column[x],&col,render->opacity);//*render->opacity //&render->second_input_frame->rows[y].column[x]
render->output_frame->update_mask |= 1<<y;
}
daemon_set_parameter_float(daemon_effect_get_parameter_by_index(render->effect,1),magnitude);
return(1);
}
struct razer_parameter *daemon_copy_parameter(struct razer_parameter *parameter)
{
struct razer_parameter *copy = daemon_create_parameter();
copy->id = parameter->id;
copy->key = str_Copy(parameter->key);
copy->description = str_Copy(parameter->description);
copy->type = parameter->type;
switch(parameter->type)
{
case RAZER_PARAMETER_TYPE_STRING:
daemon_set_parameter_string(copy,str_Copy(daemon_get_parameter_string(parameter)));
break;
case RAZER_PARAMETER_TYPE_INT:
daemon_set_parameter_int(copy,daemon_get_parameter_int(parameter));
break;
case RAZER_PARAMETER_TYPE_FLOAT:
daemon_set_parameter_float(copy,daemon_get_parameter_float(parameter));
break;
case RAZER_PARAMETER_TYPE_RGB:
{
struct razer_rgb *color = rgb_copy(daemon_get_parameter_rgb(parameter));
daemon_set_parameter_rgb(copy,color);
}
break;
case RAZER_PARAMETER_TYPE_POS:
{
struct razer_pos *pos = razer_pos_copy(daemon_get_parameter_pos(parameter));
daemon_set_parameter_pos(copy,pos);
}
break;
case RAZER_PARAMETER_TYPE_RENDER_NODE:
daemon_set_parameter_render_node(copy,daemon_get_parameter_render_node(parameter));
break;
case RAZER_PARAMETER_TYPE_FLOAT_RANGE:
{
struct razer_float_range *range = razer_float_range_copy(daemon_get_parameter_float_range(parameter));
daemon_set_parameter_float_range(copy,range);
}
break;
case RAZER_PARAMETER_TYPE_INT_RANGE:
{
struct razer_int_range *range = razer_int_range_copy(daemon_get_parameter_int_range(parameter));
daemon_set_parameter_int_range(copy,range);
}
break;
case RAZER_PARAMETER_TYPE_UINT_RANGE:
{
struct razer_uint_range *range = razer_uint_range_copy(daemon_get_parameter_uint_range(parameter));
daemon_set_parameter_uint_range(copy,range);
}
break;
case RAZER_PARAMETER_TYPE_RGB_RANGE:
{
struct razer_rgb_range *range = razer_rgb_range_copy(daemon_get_parameter_rgb_range(parameter));
daemon_set_parameter_rgb_range(copy,range);
}
break;
case RAZER_PARAMETER_TYPE_POS_RANGE:
{
struct razer_pos_range *range = razer_pos_range_copy(daemon_get_parameter_pos_range(parameter));
daemon_set_parameter_pos_range(copy,range);
}
break;
case RAZER_PARAMETER_TYPE_FLOAT_ARRAY:
{
struct razer_float_array *array = razer_float_array_copy(daemon_get_parameter_float_array(parameter));
daemon_set_parameter_float_array(copy,array);
}
break;
case RAZER_PARAMETER_TYPE_INT_ARRAY:
{
struct razer_int_array *array = razer_int_array_copy(daemon_get_parameter_int_array(parameter));
daemon_set_parameter_int_array(copy,array);
}
break;
case RAZER_PARAMETER_TYPE_UINT_ARRAY:
{
struct razer_uint_array *array = razer_uint_array_copy(daemon_get_parameter_uint_array(parameter));
daemon_set_parameter_uint_array(copy,array);
}
break;
case RAZER_PARAMETER_TYPE_RGB_ARRAY:
{
struct razer_rgb_array *array = razer_rgb_array_copy(daemon_get_parameter_rgb_array(parameter));
daemon_set_parameter_rgb_array(copy,array);
}
break;
case RAZER_PARAMETER_TYPE_POS_ARRAY:
{
struct razer_pos_array *array = razer_pos_array_copy(daemon_get_parameter_pos_array(parameter));
daemon_set_parameter_pos_array(copy,array);
}
break;
}
return(copy);
}
