MAX_FMOD_CHANNEL * bmx_FMOD_System_PlayDSP(FMOD_SYSTEM *system, FMOD_CHANNELINDEX channelId, FMOD_DSP * dsp,
FMOD_BOOL paused, MAX_FMOD_CHANNEL * reuse) {
if (reuse) {
FMOD_RESULT result = FMOD_System_PlayDSP(system, channelId, dsp, paused, &reuse->channel);
return reuse;
} else {
MAX_FMOD_CHANNEL * channel = new MAX_FMOD_CHANNEL();
FMOD_RESULT result = FMOD_System_PlayDSP(system, channelId, dsp, paused, &channel->channel);
if (result) {
delete channel;
return 0;
}
return channel;
}
}
bool ClientActionToneMelody::runAction()
{
FMOD_RESULT result;
if (!system) {
channel = 0;
result = FMOD_System_Create(&system);
ERRCHECK(result);
FMOD_System_SetDSPBufferSize(system, 64, 1);
result = FMOD_System_Init(system, 2, FMOD_INIT_STREAM_FROM_UPDATE | FMOD_INIT_MIX_FROM_UPDATE, NULL);
ERRCHECK(result);
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_OSCILLATOR, &dsp);
ERRCHECK(result);
}
if (channel) {
result = FMOD_Channel_Stop(channel);
ERRCHECK(result);
channel = 0;
}
if (tone_frequency) {
result = FMOD_DSP_SetParameterFloat(dsp, FMOD_DSP_OSCILLATOR_RATE, (float) tone_frequency);
ERRCHECK(result);
result = FMOD_System_PlayDSP(system, dsp, 0, true, &channel);
ERRCHECK(result);
result = FMOD_Channel_SetVolume(channel, 1.0f);
ERRCHECK(result);
result = FMOD_DSP_SetParameterInt(dsp,FMOD_DSP_OSCILLATOR_TYPE, 1);
ERRCHECK(result);
StartMelodyTone(settings->value("MELODY"));
updateTimer->start();
settings->insert("ACTIVE", "1");
} else {
updateTimer->stop();
periodicToneTimer->stop();
prog_led_tone_control = false;
tone_state = false;
tone_periodic = false;
tone_period = 0;
settings->insert("ACTIVE", "0");
}
return true;
}
int main(int argc, char *argv[])
{
FMOD_SYSTEM *system;
FMOD_CHANNEL *channel = 0;
FMOD_DSP *dsp = 0;
FMOD_RESULT result;
int key;
unsigned int version;
/*
Create a System object and initialize.
*/
result = FMOD_System_Create(&system);
ERRCHECK(result);
result = FMOD_System_GetVersion(system, &version);
ERRCHECK(result);
if (version < FMOD_VERSION)
{
printf("Error! You are using an old version of FMOD %08x. This program requires %08x\n", version, FMOD_VERSION);
getch();
return 0;
}
result = FMOD_System_Init(system, 32, FMOD_INIT_NORMAL, NULL);
ERRCHECK(result);
/*
Create DSP units for each type of noise we want.
*/
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_OSCILLATOR, &dsp);
ERRCHECK(result);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_RATE, 440.0f);
ERRCHECK(result);
printf("======================================================================\n");
printf("GenerateTone Example. Copyright (c) Firelight Technologies 2004-2011.\n");
printf("======================================================================\n\n");
printf("\n");
printf("Press '1' to play a sine wave\n");
printf("Press '2' to play a square wave\n");
printf("Press '3' to play a triangle wave\n");
printf("Press '4' to play a saw wave\n");
printf("Press '5' to play a white noise\n");
printf("Press 's' to stop channel\n");
printf("\n");
printf("Press 'v'/'V' to change channel volume\n");
printf("Press 'f'/'F' to change channel frequency\n");
printf("Press '['/']' to change channel pan\n");
printf("Press 'Esc' to quit\n");
printf("\n");
/*
Main loop
*/
do
{
if (kbhit())
{
key = getch();
switch (key)
{
case '1' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.5f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 0);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '2' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.125f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 1);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '3' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.5f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 2);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '4' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.125f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 4);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case '5' :
{
result = FMOD_System_PlayDSP(system, FMOD_CHANNEL_REUSE, dsp, TRUE, &channel);
FMOD_Channel_SetVolume(channel, 0.25f);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_OSCILLATOR_TYPE, 5);
ERRCHECK(result);
FMOD_Channel_SetPaused(channel, FALSE);
break;
}
case 's' :
{
FMOD_Channel_Stop(channel);
break;
}
case 'v' :
{
float volume;
FMOD_Channel_GetVolume(channel, &volume);
volume -= 0.1f;
FMOD_Channel_SetVolume(channel, volume);
break;
}
case 'V' :
{
float volume;
FMOD_Channel_GetVolume(channel, &volume);
volume += 0.1f;
FMOD_Channel_SetVolume(channel, volume);
break;
}
case 'f' :
{
float frequency;
FMOD_Channel_GetFrequency(channel, &frequency);
frequency -= 500.0f;
FMOD_Channel_SetFrequency(channel, frequency);
break;
}
case 'F' :
{
float frequency;
FMOD_Channel_GetFrequency(channel, &frequency);
frequency += 500.0f;
FMOD_Channel_SetFrequency(channel, frequency);
break;
}
case '[' :
{
float pan;
FMOD_Channel_GetPan(channel, &pan);
pan -= 0.1f;
FMOD_Channel_SetPan(channel, pan);
break;
}
case ']' :
{
float pan;
FMOD_Channel_GetPan(channel, &pan);
pan += 0.1f;
FMOD_Channel_SetPan(channel, pan);
break;
}
}
}
FMOD_System_Update(system);
{
float frequency = 0, volume = 0, pan = 0;
int playing = FALSE;
if (channel)
{
FMOD_Channel_GetFrequency(channel, &frequency);
FMOD_Channel_GetVolume(channel, &volume);
FMOD_Channel_GetPan(channel, &pan);
FMOD_Channel_IsPlaying(channel, &playing);
}
printf("Channel %s : Frequency %.1f Volume %.1f Pan %.1f \r", playing ? "playing" : "stopped", frequency, volume, pan);
fflush(stdout);
}
Sleep(10);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = FMOD_DSP_Release(dsp);
ERRCHECK(result);
result = FMOD_System_Close(system);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
return 0;
}
