forked from KolibriOS/kolibrios
2815962839
- added localization tool Updates for Marble Match-3 game: - added localization support - some cosmetic changes git-svn-id: svn://kolibrios.org@5243 a494cfbc-eb01-0410-851d-a64ba20cac60
462 lines
14 KiB
C
Executable File
462 lines
14 KiB
C
Executable File
#include "rssoundgen.h"
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#include "rsnoise.h"
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#include "rs/rsmx.h"
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#ifdef RS_KOS
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#include "rs/rsplatform.h"
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#else
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#include <stdlib.h>
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#include <math.h>
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#include <string.h>
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#endif
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rs_sgen_reg_t rs_sgen_reg;
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void rs_sgen_init(int waves_count, int wave_length) {
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rs_sgen_reg.waves_count = waves_count;
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rs_sgen_reg.wave_length = wave_length;
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rs_sgen_reg.wave = malloc(waves_count * wave_length * 4); // float
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rs_sgen_reg.wave_out = malloc(wave_length * 2); // signed short
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memset(rs_sgen_reg.wave, 0, waves_count * wave_length * 4);
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memset(rs_sgen_reg.wave_out, 0, wave_length * 2);
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};
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void rs_sgen_term() {
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free(rs_sgen_reg.wave);
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free(rs_sgen_reg.wave_out);
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};
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int wave_shot_index = 0;
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void rs_sgen_wave_out(int index) {
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int i;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave_out[i] = 32767* (rs_clamp (rs_sgen_reg.wave[index*rs_sgen_reg.wave_length + i], -1.0, 1.0 ));
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};
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// char cmd[330];
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// memset(cmd, 0, 330);
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// sprintf(cmd, "/home/romik/temp/images/sound%d.data", wave_shot_index);
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//
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// RS_IO_FILE* fp = rs_io_fopen( cmd, "wb");
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//
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// rs_io_fwrite(fp, rs_sgen_reg.wave_out, rs_sgen_reg.wave_length*2);
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// rs_io_fclose(fp);
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//
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// wave_shot_index++;
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};
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// --------------------
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//float rs_sgen_osc_sin(int i, float freq, float p) {
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// //
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//};
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float phaser_alps_a1[6];
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float phaser_alps_zm1[6];
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float phaser_dmin, phaser_dmax; //range
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float phaser_fb; //feedback
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float phaser_lfoPhase;
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float phaser_lfoInc;
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float phaser_depth;
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float phaser_sample_rate;
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int phaser_value_index = -1;
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float phaser_zm1;
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void phaser_set_range(float f1, float f2);
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void phaser_set_rate(float f);
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void phaser_alps_delay(int i, float f);
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float phaser_alps_update(int i, float f);
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void phaser_reset( float fb, float lfoPhase, float depth, float range_start, float range_end, float rate ) {
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memset(phaser_alps_a1, 0, 6*4);
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memset(phaser_alps_zm1, 0, 6*4);
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phaser_sample_rate = 44100.0; // !!!!
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phaser_fb = fb;
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phaser_lfoPhase = lfoPhase;
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phaser_depth = depth;
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phaser_zm1 = 0.0;
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// phaser_set_range( 440.f, 1600.f );
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phaser_set_range( range_start, range_end );
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phaser_set_rate( rate );
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};
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void phaser_set_range(float fMin, float fMax) { // Hz
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phaser_dmin = fMin / (phaser_sample_rate/2.f);
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phaser_dmax = fMax / (phaser_sample_rate/2.f);
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};
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void phaser_set_rate( float rate ){ // cps
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phaser_lfoInc = 2.0f * M_PI * (rate / phaser_sample_rate);
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};
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float phaser_update_sample( float inSamp, int ind ){
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//calculate and update phaser sweep lfo...
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float d;
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if (phaser_value_index == -1) {
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d = phaser_dmin + (phaser_dmax-phaser_dmin) * ((sin( phaser_lfoPhase ) + 1.0f)/2.0f);
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}
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else {
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d = phaser_dmin + (phaser_dmax-phaser_dmin) * (0.5+0.5*rs_sgen_reg.wave[ phaser_value_index*rs_sgen_reg.wave_length + ind ]);
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};
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phaser_lfoPhase += phaser_lfoInc;
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if( phaser_lfoPhase >= M_PI * 2.0f )
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phaser_lfoPhase -= M_PI * 2.0f;
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//update filter coeffs
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int i;
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for(i = 0; i < 6; i++) {
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phaser_alps_delay(i, d);
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};
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//calculate output
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float y = phaser_alps_update(0,
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phaser_alps_update(1,
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phaser_alps_update(2,
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phaser_alps_update(3,
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phaser_alps_update(4,
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phaser_alps_update(5,
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inSamp + phaser_zm1 * phaser_fb
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)
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)
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)
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)
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)
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);
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// float y = _alps[0].Update(
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// _alps[1].Update(
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// _alps[2].Update(
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// _alps[3].Update(
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// _alps[4].Update(
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// _alps[5].Update( inSamp + _zm1 * _fb ))))));
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phaser_zm1 = y;
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// return sin(440.0*phaser_lfoPhase);
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return inSamp + y * phaser_depth;
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}
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void phaser_alps_delay(int i, float delay) {
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phaser_alps_a1[i] = (1.0f - delay) / (1.0f + delay);
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};
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float phaser_alps_update(int i, float inSamp) {
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float y = inSamp * - phaser_alps_a1[i] + phaser_alps_zm1[i];
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phaser_alps_zm1[i] = y * phaser_alps_a1[i] + inSamp;
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return y;
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};
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// -----------------------
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void rs_sgen_func_speaker(int index) {
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int i;
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float alpha = 0.3 ;// dt / (RC+dt)
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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if (i == 0) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = 0.4 * rs_noise(i, 0);
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continue;
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};
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// Low-pass
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// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] =
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// alpha * 0.4 * rs_noise(i, 0) + (1.0 - alpha) * (rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i - 1 ]);
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// High-pass
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] =
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alpha * ( rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i - 1 ] + 0.4 * rs_noise(i, 0) - 0.4 * rs_noise(i-1, 0) );
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//// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = 0.1 * sin( (2.0f * M_PI * 440.0 * i ) / 44100.0 + 9.0*sin(0.12*i) );
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// int t = i + 4*65536;
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// int p = (unsigned char) ((((t * (t >> 8 | t >> 9) & 46 & t >> 8)) ^ (t & t >> 13 | t >> 6)) & 0xFF);
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//// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = (float)(p-128) / 128.0; // (float) 1.0 / 256.0 * (p);
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};
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// rs_sound_create_from_data(&game.test_sound, 688200, audiodata);
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// for (i = 0; i < 20; i++) {
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// rs_sound_create_from_data(& (sounds[i]), 11025 * (1 + i % 3) , audiodata2);
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// rs_sound_adjust_pitch( &sounds[i], 0.5 + 1.0f * i / 20.0f );
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// };
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// DEBUG10f("sound is created. length = %d \n", game.test_sound.Length);
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// memset(audiodata, 0, 688200);
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// free(audiodata);
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};
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void rs_sgen_func_noise(int index, int seed) {
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int i;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = rs_noise(seed + i, 0);
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};
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};
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void rs_sgen_func_sin(int index, float freq, float p) {
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int i;
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float f;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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f = sin( (2.0f * M_PI * freq * i ) / 44100.0 ); // !!! Only for 44100 kHz
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = rs_sign(f) * pow( fabs(f) , p ); // remove koef!
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// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = 0.1 * sin( (2.0f * M_PI * 440.0 * i ) / 44100.0 + 9.0*sin(0.12*i) );
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// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = -1.0 + 2.0 * ( (44100.0 / freq) ) sin( (2.0f * M_PI * freq * i ) / 44100.0 ); // !!! Only for 44100 kHz
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};
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};
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void rs_sgen_func_pm(int index, float freq, float p, float k, float freq2, float p2) {
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int i;
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float f;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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f = sin( (2.0f * M_PI * freq * i ) / 44100.0 + k*rs_pow(sin( 2.0f * M_PI * freq2 * i / 44100.0 ), p2) ); // !!! Only for 44100 kHz
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = rs_pow(f, p);
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// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = 0.1 * sin( (2.0f * M_PI * 440.0 * i ) / 44100.0 + 9.0*sin(0.12*i) );
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// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * index + i] = -1.0 + 2.0 * ( (44100.0 / freq) ) sin( (2.0f * M_PI * freq * i ) / 44100.0 ); // !!! Only for 44100 kHz
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};
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};
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void rs_sgen_func_add(int dest, int src1, int src2, float k1, float k2) {
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int i;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] =
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k1 * rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src1 + i]
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+ k2 * rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src2 + i];
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};
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};
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void rs_sgen_func_mult(int dest, int src1, int src2) {
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int i;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] =
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src1 + i]
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* rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src2 + i];
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};
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};
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void rs_sgen_func_normalize(int dest, float amp) {
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// DEBUG10("Normalize...");
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float val_max = 0.0; // fabs(rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest ]);
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float f;
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int i;
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// Step 1: Normalize Mid-line
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const int mar_samples_count = 512;
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float *mar = malloc( 4 * (2 + rs_sgen_reg.wave_length / mar_samples_count) );
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memset(mar, 0, 4 * (2 + rs_sgen_reg.wave_length / mar_samples_count) );
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// DEBUG10("label 1");
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int length_512 = mar_samples_count*(rs_sgen_reg.wave_length/mar_samples_count); // 1024 for 1027
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int last_length = rs_sgen_reg.wave_length - length_512;
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if (!last_length) {
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last_length = length_512;
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};
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float koef[2] = { 1.0/mar_samples_count, 1.0/(last_length) };
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// DEBUG10f("\nkoef 0: %.6f\nkoef 1: %.6f (last_length = %d)\n", koef[0], koef[1], last_length);
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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mar[1+i/mar_samples_count] += koef[ i / (length_512) ] * rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i];
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};
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// DEBUG10("label 2");
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] -= //mar[i/mar_samples_count];
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rs_linear_interpolate( mar[i/mar_samples_count], mar[1+i/mar_samples_count], rs_fract(1.0*i/mar_samples_count) );
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};
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//
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// DEBUG10("label 3");
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free(mar);
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// DEBUG10("label 4");
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// Step 2: Normalize Amplitude
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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f = rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i];
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val_max = rs_max(val_max, fabs(f) );
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};
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float val_scale = amp / val_max;
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// DEBUG10f("SGEN Normalize: val_max %.3f, val_scale = %.3f \n", val_max, val_scale);
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] = val_scale * rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i];
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};
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};
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void rs_sgen_func_limiter(int dest, float val) {
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rs_sgen_func_normalize(dest, 1.0/val);
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int i;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] = rs_clamp(
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i ], -1.0, 1.0 );
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};
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// float val_scale = amp / val_max;
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//
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// DEBUG10f("SGEN Normalize: val_max %.3f, val_scale = %.3f \n", val_max, val_scale);
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//
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// for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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// rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] = val_scale * rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i];
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// };
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};
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void rs_sgen_func_reverb(int dest, int src, int echo_delay, float echo_decay_koef) {
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//
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int i;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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if (i + echo_delay > rs_sgen_reg.wave_length-1) {
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break;
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};
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i + echo_delay] +=
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echo_decay_koef * rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i];
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};
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};
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void rs_sgen_func_lowpass(int dest, int src, float alpha_start, float alpha_end, float alpha_pow) {
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int i;
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float alpha, t;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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if (i == 0) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] =
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0; // rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src + i];
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continue;
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};
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t = (float) i / rs_sgen_reg.wave_length;
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alpha = (1.0 - t) * alpha_start + t * alpha_end;
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alpha = pow(alpha, alpha_pow);
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// Low-pass
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] =
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alpha * rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src + i]
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+ (1.0 - alpha) * (rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i - 1 ]);
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};
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};
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void rs_sgen_func_highpass(int dest, int src, float alpha_start, float alpha_end, float alpha_pow) {
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int i;
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float t, alpha;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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if (i == 0) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] = 0; // rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src + i];
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continue;
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};
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t = (float) i / rs_sgen_reg.wave_length;
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alpha = (1.0 - t) * alpha_start + t * alpha_end;
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alpha = pow(alpha, alpha_pow);
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// High-pass
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i] =
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alpha * ( rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i - 1]
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+ rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src + i]
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- rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src + i - 1] );
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};
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};
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void rs_sgen_func_phaser(int dest, int src, float fb, float lfoPhase, float depth, float range_start, float range_end, float rate) {
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//phaser_reset(0.97, 1.67, 0.5, 1.0, 22050.0, 1.5);
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phaser_reset(fb, lfoPhase, depth, range_start, range_end, rate);
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int i;
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// float t, alpha;
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for (i = 0; i < rs_sgen_reg.wave_length + 12; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i%rs_sgen_reg.wave_length] = phaser_update_sample( rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src + i%rs_sgen_reg.wave_length], i%rs_sgen_reg.wave_length );
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};
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};
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void rs_sgen_func_shift(int dest, int src) {
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int i;
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for (i = 0; i < rs_sgen_reg.wave_length; i++) {
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rs_sgen_reg.wave[ rs_sgen_reg.wave_length * dest + i % rs_sgen_reg.wave_length]
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= rs_sgen_reg.wave[ rs_sgen_reg.wave_length * src + (i + rs_sgen_reg.wave_length/2 )%rs_sgen_reg.wave_length];
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};
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};
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