add basic generator
This commit is contained in:
parent
aba5b4e9d8
commit
f6cb1880df
67
.gitignore
vendored
Normal file
67
.gitignore
vendored
Normal file
@ -0,0 +1,67 @@
|
||||
|
||||
###################################
|
||||
# folders
|
||||
###################################
|
||||
CVS
|
||||
.svn
|
||||
.gitk-tmp.*
|
||||
Object/
|
||||
doxygen/API/
|
||||
doxygen/ALL/
|
||||
bin/
|
||||
gen/
|
||||
linux/
|
||||
obj/
|
||||
|
||||
###################################
|
||||
# backup files
|
||||
###################################
|
||||
*~
|
||||
*.swp
|
||||
*.old
|
||||
*.bck
|
||||
|
||||
###################################
|
||||
# Compiled source #
|
||||
###################################
|
||||
*.com
|
||||
*.class
|
||||
*.dll
|
||||
*.exe
|
||||
*.o
|
||||
*.so
|
||||
*.pyc
|
||||
tags
|
||||
edn
|
||||
out
|
||||
edn_debug
|
||||
edn_release
|
||||
|
||||
###################################
|
||||
# Packages #
|
||||
###################################
|
||||
# it's better to unpack these files and commit the raw source
|
||||
# git has its own built in compression methods
|
||||
*.7z
|
||||
*.dmg
|
||||
*.gz
|
||||
*.iso
|
||||
*.jar
|
||||
*.rar
|
||||
*.tar
|
||||
*.zip
|
||||
|
||||
###################################
|
||||
# Logs and databases #
|
||||
###################################
|
||||
*.log
|
||||
*.sql
|
||||
*.sqlite
|
||||
|
||||
###################################
|
||||
# OS generated files #
|
||||
###################################
|
||||
.DS_Store?
|
||||
ehthumbs.db
|
||||
Icon?
|
||||
Thumbs.db
|
||||
@ -42,6 +42,8 @@
|
||||
#include <ewol/WidgetManager.h>
|
||||
#include <ewol/EObject.h>
|
||||
|
||||
#include <appl/generator.h>
|
||||
|
||||
#undef __class__
|
||||
#define __class__ "MainWindows"
|
||||
|
||||
|
||||
616
jni/appl/generator.cpp
Normal file
616
jni/appl/generator.cpp
Normal file
@ -0,0 +1,616 @@
|
||||
/**
|
||||
*******************************************************************************
|
||||
* @file appl/generator.h
|
||||
* @brief Fx Creator : audio generator (header)
|
||||
* @author Edouard DUPIN
|
||||
* @date 24/07/2012
|
||||
* @par Project
|
||||
* fxCreator
|
||||
*
|
||||
* @par Copyright
|
||||
* Copyright 2010 Edouard DUPIN, all right reserved
|
||||
*
|
||||
* This software is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY.
|
||||
*
|
||||
* Licence summary :
|
||||
* You can modify and redistribute the sources code and binaries.
|
||||
* You can send me the bug-fix
|
||||
* You can not earn money with this Software (if the source extract from Edn
|
||||
* represent less than 50% of original Sources)
|
||||
* Term of the licence in in the file licence.txt.
|
||||
*
|
||||
*******************************************************************************
|
||||
*/
|
||||
|
||||
#include <appl/Debug.h>
|
||||
#include <appl/generator.h>
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdlib.h>
|
||||
#include <time.h>
|
||||
#include <math.h>
|
||||
|
||||
|
||||
#undef __class__
|
||||
#define __class__ "generator"
|
||||
|
||||
|
||||
#define rnd(n) (rand()%(n+1))
|
||||
|
||||
#define PI 3.14159265f
|
||||
|
||||
float frnd(float range)
|
||||
{
|
||||
return (float)rnd(10000)/10000*range;
|
||||
}
|
||||
|
||||
int32_t wave_type;
|
||||
|
||||
float p_base_freq;
|
||||
float p_freq_limit;
|
||||
float p_freq_ramp;
|
||||
float p_freq_dramp;
|
||||
float p_duty;
|
||||
float p_duty_ramp;
|
||||
|
||||
float p_vib_strength;
|
||||
float p_vib_speed;
|
||||
float p_vib_delay;
|
||||
|
||||
float p_env_attack;
|
||||
float p_env_sustain;
|
||||
float p_env_decay;
|
||||
float p_env_punch;
|
||||
|
||||
bool filter_on;
|
||||
float p_lpf_resonance;
|
||||
float p_lpf_freq;
|
||||
float p_lpf_ramp;
|
||||
float p_hpf_freq;
|
||||
float p_hpf_ramp;
|
||||
|
||||
float p_pha_offset;
|
||||
float p_pha_ramp;
|
||||
|
||||
float p_repeat_speed;
|
||||
|
||||
float p_arp_speed;
|
||||
float p_arp_mod;
|
||||
|
||||
float master_vol=0.05f;
|
||||
|
||||
float sound_vol=0.5f;
|
||||
|
||||
|
||||
bool playing_sample=false;
|
||||
int32_t phase;
|
||||
double fperiod;
|
||||
double fmaxperiod;
|
||||
double fslide;
|
||||
double fdslide;
|
||||
int32_t period;
|
||||
float square_duty;
|
||||
float square_slide;
|
||||
int32_t env_stage;
|
||||
int32_t env_time;
|
||||
int32_t env_length[3];
|
||||
float env_vol;
|
||||
float fphase;
|
||||
float fdphase;
|
||||
int32_t iphase;
|
||||
float phaser_buffer[1024];
|
||||
int32_t ipp;
|
||||
float noise_buffer[32];
|
||||
float fltp;
|
||||
float fltdp;
|
||||
float fltw;
|
||||
float fltw_d;
|
||||
float fltdmp;
|
||||
float fltphp;
|
||||
float flthp;
|
||||
float flthp_d;
|
||||
float vib_phase;
|
||||
float vib_speed;
|
||||
float vib_amp;
|
||||
int32_t rep_time;
|
||||
int32_t rep_limit;
|
||||
int32_t arp_time;
|
||||
int32_t arp_limit;
|
||||
double arp_mod;
|
||||
|
||||
float* vselected=NULL;
|
||||
int32_t vcurbutton=-1;
|
||||
|
||||
int32_t wav_bits=16;
|
||||
int32_t wav_freq=44100;
|
||||
|
||||
int32_t file_sampleswritten;
|
||||
float filesample=0.0f;
|
||||
int32_t fileacc=0;
|
||||
|
||||
void ResetParams()
|
||||
{
|
||||
wave_type=0;
|
||||
|
||||
p_base_freq=0.3f;
|
||||
p_freq_limit=0.0f;
|
||||
p_freq_ramp=0.0f;
|
||||
p_freq_dramp=0.0f;
|
||||
p_duty=0.0f;
|
||||
p_duty_ramp=0.0f;
|
||||
|
||||
p_vib_strength=0.0f;
|
||||
p_vib_speed=0.0f;
|
||||
p_vib_delay=0.0f;
|
||||
|
||||
p_env_attack=0.0f;
|
||||
p_env_sustain=0.3f;
|
||||
p_env_decay=0.4f;
|
||||
p_env_punch=0.0f;
|
||||
|
||||
filter_on=false;
|
||||
p_lpf_resonance=0.0f;
|
||||
p_lpf_freq=1.0f;
|
||||
p_lpf_ramp=0.0f;
|
||||
p_hpf_freq=0.0f;
|
||||
p_hpf_ramp=0.0f;
|
||||
|
||||
p_pha_offset=0.0f;
|
||||
p_pha_ramp=0.0f;
|
||||
|
||||
p_repeat_speed=0.0f;
|
||||
|
||||
p_arp_speed=0.0f;
|
||||
p_arp_mod=0.0f;
|
||||
}
|
||||
|
||||
bool LoadSettings(char* filename)
|
||||
{
|
||||
FILE* file=fopen(filename, "rb");
|
||||
if(!file)
|
||||
return false;
|
||||
|
||||
int version=0;
|
||||
fread(&version, 1, sizeof(int), file);
|
||||
if(version!=100 && version!=101 && version!=102)
|
||||
return false;
|
||||
|
||||
fread(&wave_type, 1, sizeof(int), file);
|
||||
|
||||
sound_vol=0.5f;
|
||||
if(version==102)
|
||||
fread(&sound_vol, 1, sizeof(float), file);
|
||||
|
||||
fread(&p_base_freq, 1, sizeof(float), file);
|
||||
fread(&p_freq_limit, 1, sizeof(float), file);
|
||||
fread(&p_freq_ramp, 1, sizeof(float), file);
|
||||
if(version>=101)
|
||||
fread(&p_freq_dramp, 1, sizeof(float), file);
|
||||
fread(&p_duty, 1, sizeof(float), file);
|
||||
fread(&p_duty_ramp, 1, sizeof(float), file);
|
||||
|
||||
fread(&p_vib_strength, 1, sizeof(float), file);
|
||||
fread(&p_vib_speed, 1, sizeof(float), file);
|
||||
fread(&p_vib_delay, 1, sizeof(float), file);
|
||||
|
||||
fread(&p_env_attack, 1, sizeof(float), file);
|
||||
fread(&p_env_sustain, 1, sizeof(float), file);
|
||||
fread(&p_env_decay, 1, sizeof(float), file);
|
||||
fread(&p_env_punch, 1, sizeof(float), file);
|
||||
|
||||
fread(&filter_on, 1, sizeof(bool), file);
|
||||
fread(&p_lpf_resonance, 1, sizeof(float), file);
|
||||
fread(&p_lpf_freq, 1, sizeof(float), file);
|
||||
fread(&p_lpf_ramp, 1, sizeof(float), file);
|
||||
fread(&p_hpf_freq, 1, sizeof(float), file);
|
||||
fread(&p_hpf_ramp, 1, sizeof(float), file);
|
||||
|
||||
fread(&p_pha_offset, 1, sizeof(float), file);
|
||||
fread(&p_pha_ramp, 1, sizeof(float), file);
|
||||
|
||||
fread(&p_repeat_speed, 1, sizeof(float), file);
|
||||
|
||||
if(version>=101)
|
||||
{
|
||||
fread(&p_arp_speed, 1, sizeof(float), file);
|
||||
fread(&p_arp_mod, 1, sizeof(float), file);
|
||||
}
|
||||
|
||||
fclose(file);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool SaveSettings(char* filename)
|
||||
{
|
||||
FILE* file=fopen(filename, "wb");
|
||||
if(!file)
|
||||
return false;
|
||||
|
||||
int version=102;
|
||||
fwrite(&version, 1, sizeof(int), file);
|
||||
|
||||
fwrite(&wave_type, 1, sizeof(int), file);
|
||||
|
||||
fwrite(&sound_vol, 1, sizeof(float), file);
|
||||
|
||||
fwrite(&p_base_freq, 1, sizeof(float), file);
|
||||
fwrite(&p_freq_limit, 1, sizeof(float), file);
|
||||
fwrite(&p_freq_ramp, 1, sizeof(float), file);
|
||||
fwrite(&p_freq_dramp, 1, sizeof(float), file);
|
||||
fwrite(&p_duty, 1, sizeof(float), file);
|
||||
fwrite(&p_duty_ramp, 1, sizeof(float), file);
|
||||
|
||||
fwrite(&p_vib_strength, 1, sizeof(float), file);
|
||||
fwrite(&p_vib_speed, 1, sizeof(float), file);
|
||||
fwrite(&p_vib_delay, 1, sizeof(float), file);
|
||||
|
||||
fwrite(&p_env_attack, 1, sizeof(float), file);
|
||||
fwrite(&p_env_sustain, 1, sizeof(float), file);
|
||||
fwrite(&p_env_decay, 1, sizeof(float), file);
|
||||
fwrite(&p_env_punch, 1, sizeof(float), file);
|
||||
|
||||
fwrite(&filter_on, 1, sizeof(bool), file);
|
||||
fwrite(&p_lpf_resonance, 1, sizeof(float), file);
|
||||
fwrite(&p_lpf_freq, 1, sizeof(float), file);
|
||||
fwrite(&p_lpf_ramp, 1, sizeof(float), file);
|
||||
fwrite(&p_hpf_freq, 1, sizeof(float), file);
|
||||
fwrite(&p_hpf_ramp, 1, sizeof(float), file);
|
||||
|
||||
fwrite(&p_pha_offset, 1, sizeof(float), file);
|
||||
fwrite(&p_pha_ramp, 1, sizeof(float), file);
|
||||
|
||||
fwrite(&p_repeat_speed, 1, sizeof(float), file);
|
||||
|
||||
fwrite(&p_arp_speed, 1, sizeof(float), file);
|
||||
fwrite(&p_arp_mod, 1, sizeof(float), file);
|
||||
|
||||
fclose(file);
|
||||
return true;
|
||||
}
|
||||
|
||||
void ResetSample(bool restart)
|
||||
{
|
||||
if(!restart) {
|
||||
phase=0;
|
||||
}
|
||||
fperiod=100.0/(p_base_freq*p_base_freq+0.001);
|
||||
period=(int)fperiod;
|
||||
fmaxperiod=100.0/(p_freq_limit*p_freq_limit+0.001);
|
||||
fslide=1.0-pow((double)p_freq_ramp, 3.0)*0.01;
|
||||
fdslide=-pow((double)p_freq_dramp, 3.0)*0.000001;
|
||||
square_duty=0.5f-p_duty*0.5f;
|
||||
square_slide=-p_duty_ramp*0.00005f;
|
||||
if(p_arp_mod>=0.0f) {
|
||||
arp_mod=1.0-pow((double)p_arp_mod, 2.0)*0.9;
|
||||
} else {
|
||||
arp_mod=1.0+pow((double)p_arp_mod, 2.0)*10.0;
|
||||
}
|
||||
arp_time=0;
|
||||
arp_limit=(int)(pow(1.0f-p_arp_speed, 2.0f)*20000+32);
|
||||
if(p_arp_speed==1.0f) {
|
||||
arp_limit=0;
|
||||
}
|
||||
if(!restart) {
|
||||
// reset filter
|
||||
fltp=0.0f;
|
||||
fltdp=0.0f;
|
||||
fltw=pow(p_lpf_freq, 3.0f)*0.1f;
|
||||
fltw_d=1.0f+p_lpf_ramp*0.0001f;
|
||||
fltdmp=5.0f/(1.0f+pow(p_lpf_resonance, 2.0f)*20.0f)*(0.01f+fltw);
|
||||
if(fltdmp>0.8f) {
|
||||
fltdmp=0.8f;
|
||||
}
|
||||
fltphp=0.0f;
|
||||
flthp=pow(p_hpf_freq, 2.0f)*0.1f;
|
||||
flthp_d=1.0+p_hpf_ramp*0.0003f;
|
||||
// reset vibrato
|
||||
vib_phase=0.0f;
|
||||
vib_speed=pow(p_vib_speed, 2.0f)*0.01f;
|
||||
vib_amp=p_vib_strength*0.5f;
|
||||
// reset envelope
|
||||
env_vol=0.0f;
|
||||
env_stage=0;
|
||||
env_time=0;
|
||||
env_length[0]=(int)(p_env_attack*p_env_attack*100000.0f);
|
||||
env_length[1]=(int)(p_env_sustain*p_env_sustain*100000.0f);
|
||||
env_length[2]=(int)(p_env_decay*p_env_decay*100000.0f);
|
||||
|
||||
fphase=pow(p_pha_offset, 2.0f)*1020.0f;
|
||||
if(p_pha_offset<0.0f) {
|
||||
fphase=-fphase;
|
||||
}
|
||||
fdphase=pow(p_pha_ramp, 2.0f)*1.0f;
|
||||
if(p_pha_ramp<0.0f) {
|
||||
fdphase=-fdphase;
|
||||
}
|
||||
iphase=abs((int)fphase);
|
||||
ipp=0;
|
||||
for(int i=0;i<1024;i++) {
|
||||
phaser_buffer[i]=0.0f;
|
||||
}
|
||||
|
||||
for(int i=0;i<32;i++) {
|
||||
noise_buffer[i]=frnd(2.0f)-1.0f;
|
||||
}
|
||||
|
||||
rep_time=0;
|
||||
rep_limit=(int)(pow(1.0f-p_repeat_speed, 2.0f)*20000+32);
|
||||
if(p_repeat_speed==0.0f) {
|
||||
rep_limit=0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void PlaySample()
|
||||
{
|
||||
ResetSample(false);
|
||||
playing_sample=true;
|
||||
}
|
||||
|
||||
void SynthSample(int length, float* buffer, FILE* file)
|
||||
{
|
||||
for(int i=0;i<length;i++) {
|
||||
if(!playing_sample) {
|
||||
break;
|
||||
}
|
||||
|
||||
rep_time++;
|
||||
if(rep_limit!=0 && rep_time>=rep_limit) {
|
||||
rep_time=0;
|
||||
ResetSample(true);
|
||||
}
|
||||
|
||||
// frequency envelopes/arpeggios
|
||||
arp_time++;
|
||||
if(arp_limit!=0 && arp_time>=arp_limit) {
|
||||
arp_limit=0;
|
||||
fperiod*=arp_mod;
|
||||
}
|
||||
fslide+=fdslide;
|
||||
fperiod*=fslide;
|
||||
if(fperiod>fmaxperiod) {
|
||||
fperiod=fmaxperiod;
|
||||
if(p_freq_limit>0.0f) {
|
||||
playing_sample=false;
|
||||
}
|
||||
}
|
||||
float rfperiod=fperiod;
|
||||
if(vib_amp>0.0f) {
|
||||
vib_phase+=vib_speed;
|
||||
rfperiod=fperiod*(1.0+sin(vib_phase)*vib_amp);
|
||||
}
|
||||
period=(int)rfperiod;
|
||||
if(period<8) {
|
||||
period=8;
|
||||
}
|
||||
square_duty+=square_slide;
|
||||
if(square_duty<0.0f) {
|
||||
square_duty=0.0f;
|
||||
}
|
||||
if(square_duty>0.5f) {
|
||||
square_duty=0.5f;
|
||||
}
|
||||
// volume envelope
|
||||
env_time++;
|
||||
if(env_time>env_length[env_stage]) {
|
||||
env_time=0;
|
||||
env_stage++;
|
||||
if(env_stage==3) {
|
||||
playing_sample=false;
|
||||
}
|
||||
}
|
||||
if(env_stage==0) {
|
||||
env_vol=(float)env_time/env_length[0];
|
||||
}
|
||||
if(env_stage==1) {
|
||||
env_vol=1.0f+pow(1.0f-(float)env_time/env_length[1], 1.0f)*2.0f*p_env_punch;
|
||||
}
|
||||
if(env_stage==2) {
|
||||
env_vol=1.0f-(float)env_time/env_length[2];
|
||||
}
|
||||
|
||||
// phaser step
|
||||
fphase+=fdphase;
|
||||
iphase=abs((int)fphase);
|
||||
if(iphase>1023) {
|
||||
iphase=1023;
|
||||
}
|
||||
|
||||
if(flthp_d!=0.0f) {
|
||||
flthp*=flthp_d;
|
||||
if(flthp<0.00001f) {
|
||||
flthp=0.00001f;
|
||||
}
|
||||
if(flthp>0.1f) {
|
||||
flthp=0.1f;
|
||||
}
|
||||
}
|
||||
|
||||
float ssample=0.0f;
|
||||
for(int si=0;si<8;si++) // 8x supersampling
|
||||
{
|
||||
float sample=0.0f;
|
||||
phase++;
|
||||
if(phase>=period) {
|
||||
phase%=period;
|
||||
if(wave_type==3) {
|
||||
for(int i=0;i<32;i++) {
|
||||
noise_buffer[i]=frnd(2.0f)-1.0f;
|
||||
}
|
||||
}
|
||||
}
|
||||
// base waveform
|
||||
float fp=(float)phase/period;
|
||||
switch(wave_type)
|
||||
{
|
||||
case 0: // square
|
||||
if(fp<square_duty) {
|
||||
sample=0.5f;
|
||||
}else {
|
||||
sample=-0.5f;
|
||||
}
|
||||
break;
|
||||
case 1: // sawtooth
|
||||
sample=1.0f-fp*2;
|
||||
break;
|
||||
case 2: // sine
|
||||
sample=(float)sin(fp*2*PI);
|
||||
break;
|
||||
case 3: // noise
|
||||
sample=noise_buffer[phase*32/period];
|
||||
break;
|
||||
}
|
||||
// lp filter
|
||||
float pp=fltp;
|
||||
fltw*=fltw_d;
|
||||
if(fltw<0.0f) {
|
||||
fltw=0.0f;
|
||||
}
|
||||
if(fltw>0.1f) {
|
||||
fltw=0.1f;
|
||||
}
|
||||
if(p_lpf_freq!=1.0f) {
|
||||
fltdp+=(sample-fltp)*fltw;
|
||||
fltdp-=fltdp*fltdmp;
|
||||
} else {
|
||||
fltp=sample;
|
||||
fltdp=0.0f;
|
||||
}
|
||||
fltp+=fltdp;
|
||||
// hp filter
|
||||
fltphp+=fltp-pp;
|
||||
fltphp-=fltphp*flthp;
|
||||
sample=fltphp;
|
||||
// phaser
|
||||
phaser_buffer[ipp&1023]=sample;
|
||||
sample+=phaser_buffer[(ipp-iphase+1024)&1023];
|
||||
ipp=(ipp+1)&1023;
|
||||
// final accumulation and envelope application
|
||||
ssample+=sample*env_vol;
|
||||
}
|
||||
ssample=ssample/8*master_vol;
|
||||
|
||||
ssample*=2.0f*sound_vol;
|
||||
|
||||
if(buffer!=NULL) {
|
||||
if(ssample>1.0f) {
|
||||
ssample=1.0f;
|
||||
}
|
||||
if(ssample<-1.0f) {
|
||||
ssample=-1.0f;
|
||||
}
|
||||
*buffer++=ssample;
|
||||
}
|
||||
if(file!=NULL) {
|
||||
// quantize depending on format
|
||||
// accumulate/count to accomodate variable sample rate?
|
||||
ssample*=4.0f; // arbitrary gain to get reasonable output volume...
|
||||
if(ssample>1.0f) {
|
||||
ssample=1.0f;
|
||||
}
|
||||
if(ssample<-1.0f) {
|
||||
ssample=-1.0f;
|
||||
}
|
||||
filesample+=ssample;
|
||||
fileacc++;
|
||||
if(wav_freq==44100 || fileacc==2) {
|
||||
filesample/=fileacc;
|
||||
fileacc=0;
|
||||
if(wav_bits==16) {
|
||||
short isample=(short)(filesample*32000);
|
||||
fwrite(&isample, 1, 2, file);
|
||||
} else {
|
||||
unsigned char isample=(unsigned char)(filesample*127+128);
|
||||
fwrite(&isample, 1, 1, file);
|
||||
}
|
||||
filesample=0.0f;
|
||||
}
|
||||
file_sampleswritten++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//lets use SDL in stead
|
||||
static void SDLAudioCallback(int16_t *stream, int32_t len)
|
||||
{
|
||||
if (playing_sample) {
|
||||
float fbuf[len];
|
||||
memset(fbuf, 0, sizeof(int32_t));
|
||||
SynthSample(len, fbuf, NULL);
|
||||
while (len--) {
|
||||
float f = fbuf[len];
|
||||
if (f < -1.0) {
|
||||
f = -1.0;
|
||||
}
|
||||
if (f > 1.0) {
|
||||
f = 1.0;
|
||||
}
|
||||
stream[len] = (int16_t)(f * 32767);
|
||||
}
|
||||
} else {
|
||||
memset(stream, 0, len*sizeof(int16_t));
|
||||
}
|
||||
}
|
||||
|
||||
bool ExportWAV(char* filename)
|
||||
{
|
||||
FILE* foutput=fopen(filename, "wb");
|
||||
if(!foutput) {
|
||||
return false;
|
||||
}
|
||||
// write wav header
|
||||
uint32_t dword=0;
|
||||
uint16_t word=0;
|
||||
fwrite("RIFF", 4, 1, foutput); // "RIFF"
|
||||
dword=0;
|
||||
fwrite(&dword, 1, 4, foutput); // remaining file size
|
||||
fwrite("WAVE", 4, 1, foutput); // "WAVE"
|
||||
|
||||
fwrite("fmt ", 4, 1, foutput); // "fmt "
|
||||
dword=16;
|
||||
fwrite(&dword, 1, 4, foutput); // chunk size
|
||||
word=1;
|
||||
fwrite(&word, 1, 2, foutput); // compression code
|
||||
word=1;
|
||||
fwrite(&word, 1, 2, foutput); // channels
|
||||
dword=wav_freq;
|
||||
fwrite(&dword, 1, 4, foutput); // sample rate
|
||||
dword=wav_freq*wav_bits/8;
|
||||
fwrite(&dword, 1, 4, foutput); // bytes/sec
|
||||
word=wav_bits/8;
|
||||
fwrite(&word, 1, 2, foutput); // block align
|
||||
word=wav_bits;
|
||||
fwrite(&word, 1, 2, foutput); // bits per sample
|
||||
|
||||
fwrite("data", 4, 1, foutput); // "data"
|
||||
dword=0;
|
||||
int foutstream_datasize=ftell(foutput);
|
||||
fwrite(&dword, 1, 4, foutput); // chunk size
|
||||
|
||||
// write sample data
|
||||
file_sampleswritten=0;
|
||||
filesample=0.0f;
|
||||
fileacc=0;
|
||||
PlaySample();
|
||||
while(playing_sample) {
|
||||
SynthSample(256, NULL, foutput);
|
||||
}
|
||||
|
||||
// seek back to header and write size info
|
||||
fseek(foutput, 4, SEEK_SET);
|
||||
dword=0;
|
||||
dword=foutstream_datasize-4+file_sampleswritten*wav_bits/8;
|
||||
fwrite(&dword, 1, 4, foutput); // remaining file size
|
||||
fseek(foutput, foutstream_datasize, SEEK_SET);
|
||||
dword=file_sampleswritten*wav_bits/8;
|
||||
fwrite(&dword, 1, 4, foutput); // chunk size (data)
|
||||
fclose(foutput);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
|
||||
33
jni/appl/generator.h
Normal file
33
jni/appl/generator.h
Normal file
@ -0,0 +1,33 @@
|
||||
/**
|
||||
*******************************************************************************
|
||||
* @file appl/generator.cpp
|
||||
* @brief Fx Creator : audio generator (Sources)
|
||||
* @author Edouard DUPIN
|
||||
* @date 24/07/2012
|
||||
* @par Project
|
||||
* fxCreator
|
||||
*
|
||||
* @par Copyright
|
||||
* Copyright 2010 Edouard DUPIN, all right reserved
|
||||
*
|
||||
* This software is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY.
|
||||
*
|
||||
* Licence summary :
|
||||
* You can modify and redistribute the sources code and binaries.
|
||||
* You can send me the bug-fix
|
||||
* You can not earn money with this Software (if the source extract from Edn
|
||||
* represent less than 50% of original Sources)
|
||||
* Term of the licence in in the file licence.txt.
|
||||
*
|
||||
*******************************************************************************
|
||||
*/
|
||||
|
||||
#ifndef __GENERATOR_H__
|
||||
#define __GENERATOR_H__
|
||||
|
||||
namespace generator {
|
||||
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -5,7 +5,9 @@
|
||||
###############################################################################
|
||||
|
||||
# Globals debug tool:
|
||||
FILE_LIST+= appl/Debug.cpp
|
||||
FILE_LIST+= appl/Debug.cpp \
|
||||
appl/globalMsg.cpp \
|
||||
appl/generator.cpp
|
||||
|
||||
# Gui:
|
||||
FILE_LIST+= appl/Gui/MainWindows.cpp
|
||||
|
||||
Loading…
Reference in New Issue
Block a user