bool ModuleIrisAudio::MePlay(wstring filePath, int volume, int rate){
string sfilepath = WStringToString(filePath);
const char* fpath = sfilepath.c_str();
if (channels == 0){
if (meChannel != NULL){
BOOL isPlaying;
FMOD_Channel_IsPlaying(meChannel, &isPlaying);
if (isPlaying)
FMOD_Channel_Stop(meChannel);
}
}
FMOD_RESULT result;
result = FMOD_System_CreateStream(fmodSystem, fpath, FMOD_DEFAULT, 0, &me);
if (result != FMOD_OK)
return false;
result = FMOD_System_PlaySound(fmodSystem, FMOD_CHANNEL_FREE, me, true, &meChannel);
if (result != FMOD_OK)
return false;
FMOD_Channel_SetMode(meChannel, FMOD_LOOP_NORMAL);
FMOD_Channel_SetVolume(meChannel, volume / 100.0f);
float frequancy;
FMOD_Channel_GetFrequency(meChannel, &frequancy);
FMOD_Channel_SetFrequency(meChannel, frequancy * (rate / 100.0));
FMOD_Channel_SetPaused(meChannel, FALSE);
return true;
}
INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority)
{
FMOD_SOUND *sound;
FMOD_CHANNEL *chan;
INT32 i;
float frequency;
sound = (FMOD_SOUND *)S_sfx[id].data;
I_Assert(sound != NULL);
FMR(FMOD_System_PlaySound(fsys, FMOD_CHANNEL_FREE, sound, true, &chan));
if (sep == 0)
sep = 1;
FMR(FMOD_Channel_SetVolume(chan, (vol / 255.0) * (sfx_volume / 31.0)));
FMR(FMOD_Channel_SetPan(chan, (sep - 128) / 127.0));
FMR(FMOD_Sound_GetDefaults(sound, &frequency, NULL, NULL, NULL));
FMR(FMOD_Channel_SetFrequency(chan, (pitch / 128.0) * frequency));
FMR(FMOD_Channel_SetPriority(chan, priority));
//UNREFERENCED_PARAMETER(priority);
//FMR(FMOD_Channel_SetPriority(chan, 1 + ((0xff-vol)>>1))); // automatic priority 1 - 128 based on volume (priority 0 is music)
FMR(FMOD_Channel_GetIndex(chan, &i));
FMR(FMOD_Channel_SetPaused(chan, false));
return i;
}
// ----------------------------------------------------------------------------
void ofxSoundPlayerFMOD::setSpeed(float spd)
{
if (getIsPlaying() == true){
FMOD_Channel_SetFrequency(channel, internalFreq * spd);
}
speed = spd;
}
// ----------------------------------------------------------------------------
void ofxSoundPlayerFMOD::play()
{
// if it's a looping sound, we should try to kill it, no?
// or else people will have orphan channels that are looping
if (bLoop == true){
FMOD_Channel_Stop(channel);
}
// if the sound is not set to multiplay, then stop the current,
// before we start another
if (!bMultiPlay){
FMOD_Channel_Stop(channel);
}
FMOD_System_PlaySound(sys, FMOD_CHANNEL_FREE, sound, bPaused, &channel);
FMOD_Channel_GetFrequency(channel, &internalFreq);
FMOD_Channel_SetVolume(channel,volume);
FMOD_Channel_SetPan(channel,pan);
FMOD_Channel_SetFrequency(channel, internalFreq * speed);
FMOD_Channel_SetMode(channel, (bLoop == true) ? FMOD_LOOP_NORMAL : FMOD_LOOP_OFF);
//fmod update() should be called every frame - according to the docs.
//we have been using fmod without calling it at all which resulted in channels not being able
//to be reused. we should have some sort of global update function but putting it here
//solves the channel bug
FMOD_System_Update(sys);
}
void whitgl_sound_play(int id, float adjust)
{
int index = -1;
int i;
for(i=0; i<num_sounds; i++)
{
if(sounds[i].id == id)
{
index = i;
continue;
}
}
if(index == -1)
{
WHITGL_LOG("ERR Cannot find sound %d", id);
return;
}
FMOD_RESULT result = FMOD_System_PlaySound(fmodSystem, FMOD_CHANNEL_FREE, sounds[index].sound, true, &sounds[index].channel);
_whitgl_sound_errcheck("FMOD_System_PlaySound", result);
float defaultFrequency;
result = FMOD_Sound_GetDefaults(sounds[index].sound, &defaultFrequency, NULL, NULL, NULL);
_whitgl_sound_errcheck("FMOD_Sound_GetDefaults", result);
result = FMOD_Channel_SetFrequency(sounds[index].channel, defaultFrequency*adjust);
_whitgl_sound_errcheck("FMOD_Channel_SetFrequency", result);
result = FMOD_Channel_SetPaused(sounds[index].channel, false);
_whitgl_sound_errcheck("FMOD_Channel_SetPaused", result);
}
boolean I_SetSongSpeed(float speed)
{
FMOD_RESULT e;
float frequency;
if (!music_stream)
return false;
if (speed > 250.0f)
speed = 250.0f; //limit speed up to 250x
#ifdef HAVE_LIBGME
// Try to set GME speed
if (gme)
{
gme_set_tempo(gme, speed);
return true;
}
#endif
// Try to set Mod/Midi speed
e = FMOD_Sound_SetMusicSpeed(music_stream, speed);
if (e == FMOD_ERR_FORMAT)
{
// Just change pitch instead for Ogg/etc.
FMR(FMOD_Sound_GetDefaults(music_stream, &frequency, NULL, NULL, NULL));
FMR_MUSIC(FMOD_Channel_SetFrequency(music_channel, speed*frequency));
}
else
FMR_MUSIC(e);
return true;
}
void AudioManager::Play( const AudioManager::AudioType Type,
const string& ID,
const float Volume,
const float Pitch,
const float Pan,
const int32_t LoopCount,
const int32_t Priority,
const FMOD_CHANNELINDEX ChannelIndex )
{
// Create local variables.
float Frequency = Null;
FMOD_CHANNEL* Channel = nullptr;
unordered_map< string, SoundData >::iterator AudioMapIterator;
// Check arguments.
if( Type == MaxAudioTypes )
throw exception();
// Playback specified audio sample or stream.
if( Initialized )
{
AudioMapIterator = AudioMaps[ Type ].Instance.find( ID );
if( AudioMapIterator == AudioMaps[ Type ].Instance.end() )
throw exception();
if( FMOD_System_PlaySound( SystemInstance, ChannelIndex, AudioMapIterator->second.Instance, true, &Channel ) != FMOD_OK )
throw exception();
if( FMOD_Channel_SetChannelGroup( Channel, AudioMapIterator->second.Group ) != FMOD_OK )
throw exception();
if( FMOD_Channel_SetLoopCount( Channel, LoopCount ) != FMOD_OK )
throw exception();
if( FMOD_Channel_SetPriority( Channel, Priority ) != FMOD_OK )
throw exception();
if( FMOD_Channel_SetPan( Channel, Pan ) != FMOD_OK )
throw exception();
if( FMOD_Channel_GetFrequency( Channel, &Frequency ) != FMOD_OK )
throw exception();
if( FMOD_Channel_SetFrequency( Channel, ( Frequency * Pitch ) ) != FMOD_OK )
throw exception();
if( FMOD_Channel_SetVolume( Channel, Volume ) != FMOD_OK )
throw exception();
if( FMOD_Channel_SetPaused( Channel, false ) != FMOD_OK )
throw exception();
}
}
void AudioPlayer::setSoundFreq( SoundID sID , float freqFactor )
{
if ( sID == ERROR_SOUND_ID )
return;
Channel* channel = getChannel( sID );
if ( !channel )
return;
float freq;
FMOD_Channel_GetFrequency( channel , &freq );
FMOD_Channel_SetFrequency( channel , freqFactor * freq );
}
void sound_play(eSound snd, float vol, float pan, float freq)
{
static Sound* s;
if (!s)
s = &((Data*)SDLazy_GetData())->sound;
FMOD_System_PlaySound(s->system, FMOD_CHANNEL_FREE, s->mp3[snd], 0, &s->chan);
FMOD_Channel_SetVolume(s->chan, vol);
FMOD_Channel_SetPan(s->chan, pan);
FMOD_Channel_SetFrequency(s->chan, freq);
FMOD_System_Update(s->system);
}
// seems to never be called on an invalid channel (calls I_SoundIsPlaying first?)
// so I'm not gonna worry about it.
void I_UpdateSoundParams(INT32 handle, UINT8 vol, UINT8 sep, UINT8 pitch)
{
FMOD_CHANNEL *chan;
FMOD_SOUND *sound;
float frequency;
FMR(FMOD_System_GetChannel(fsys, handle, &chan));
FMR(FMOD_Channel_SetVolume(chan, (vol / 255.0) * (sfx_volume / 31.0)));
FMR(FMOD_Channel_SetPan(chan, (sep - 128) / 127.0));
FMR(FMOD_Channel_GetCurrentSound(chan, &sound));
FMR(FMOD_Sound_GetDefaults(sound, &frequency, NULL, NULL, NULL));
FMR(FMOD_Channel_SetFrequency(chan, (pitch / 128.0) * frequency));
//FMR(FMOD_Channel_SetPriority(chan, 1 + ((0xff-vol)>>1))); // automatic priority 1 - 128 based on volume (priority 0 is music)
}
SoundID AudioPlayer::playSound( ResID id , float volume , bool beLoop , float freqFactor )
{
SoundRes* res = getSound( id );
if ( res == NULL )
return ERROR_SOUND_ID;
FMOD_CHANNEL* channel;
FMOD_System_PlaySound( mFmodSys , FMOD_CHANNEL_FREE , res->sound , false , &channel );
FMOD_Channel_SetVolume( channel , volume * res->volume * mSoundVolume );
FMOD_Channel_SetCallback( channel ,ChannelCallBack );
float freq;
FMOD_Channel_GetFrequency( channel , &freq );
FMOD_Channel_SetFrequency( channel , freqFactor * freq );
if ( beLoop )
FMOD_Channel_SetMode( channel ,FMOD_LOOP_NORMAL );
return registerChannel( channel );
}
void PlayStereoFrequency( short player, short which, short freq )
{
if( soundOn )
{
float oldFreq;
FMOD_System_PlaySound( fmodSystem, FMOD_CHANNEL_FREE, sound[which], true, &soundChannel[player] );
// SetPan pans the sound from -1 (full left) to 1 (full right).
// which means player 0 should be -1 and player 1 should be 1.
// Except hard panning sounds kind of bad so player 0 should be
// -0.75 and player 1 should be 0.75.
if( playerWindowVisible[1] ) {
FMOD_Channel_SetPan( soundChannel[player], -0.75f + 1.5f * player );
} else {
FMOD_Channel_SetPan( soundChannel[player], 0.0f );
}
FMOD_Channel_GetFrequency( soundChannel[player], &oldFreq );
FMOD_Channel_SetFrequency( soundChannel[player], oldFreq * (16 + freq)/ 16 );
FMOD_Channel_SetPaused( soundChannel[player], false );
}
}
// ----------------------------------------------------------------------------
void ofSoundPlayer::play(){
// if it's a looping sound, we should try to kill it, no?
// or else people will have orphan channels that are looping
if (bLoop == true){
FMOD_Channel_Stop(channel);
}
// if the sound is not set to multiplay, then stop the current,
// before we start another
if (!bMultiPlay){
FMOD_Channel_Stop(channel);
}
FMOD_System_PlaySound(sys, FMOD_CHANNEL_FREE, sound, bPaused, &channel);
FMOD_Channel_GetFrequency(channel, &internalFreq);
FMOD_Channel_SetVolume(channel,volume);
FMOD_Channel_SetPan(channel,pan);
FMOD_Channel_SetFrequency(channel, internalFreq * speed);
FMOD_Channel_SetMode(channel, (bLoop == true) ? FMOD_LOOP_NORMAL : FMOD_LOOP_OFF);
}
FMOD_RESULT bmx_FMOD_Channel_SetFrequency(MAX_FMOD_CHANNEL *channel, float frequency) {
return FMOD_Channel_SetFrequency(channel->channel, frequency);
}
int main(int argc, char *argv[])
{
FMOD_SYSTEM *system;
FMOD_SOUND *sound;
FMOD_CHANNEL *channel = 0;
FMOD_RESULT result;
int key;
unsigned int version;
printf("===================================================================\n");
printf("NetStream Example. Copyright (c) Firelight Technologies 2004-2011.\n");
printf("===================================================================\n\n");
if (argc < 2)
{
printf("Usage: netstream <url>\n");
printf("Example: netstream http://www.fmod.org/stream.mp3\n\n");
return -1;
}
/*
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);
return 0;
}
result = FMOD_System_Init(system, 1, FMOD_INIT_NORMAL, 0);
ERRCHECK(result);
/*
Bump up the file buffer size a little bit for netstreams (to account for lag).
*/
result = FMOD_System_SetStreamBufferSize(system, 64*1024, FMOD_TIMEUNIT_RAWBYTES);
ERRCHECK(result);
result = FMOD_System_CreateSound(system, argv[1], FMOD_HARDWARE | FMOD_2D | FMOD_CREATESTREAM | FMOD_NONBLOCKING, 0, &sound);
ERRCHECK(result);
printf("Press space to pause, Esc to quit\n\n");
/*
Main loop
*/
do
{
unsigned int ms = 0, percent = 0;
int playing = FALSE;
int paused = FALSE;
int starving = FALSE;
FMOD_OPENSTATE openstate;
if (!channel)
{
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound, FALSE, &channel);
}
if (_kbhit())
{
key = _getch();
switch (key)
{
case ' ' :
{
if (channel)
{
int paused;
FMOD_Channel_GetPaused(channel, &paused);
FMOD_Channel_SetPaused(channel, !paused);
}
break;
}
}
}
FMOD_System_Update(system);
for (;;)
{
FMOD_TAG tag;
if (FMOD_Sound_GetTag(sound, 0, -1, &tag) != FMOD_OK)
{
break;
}
if (tag.datatype == FMOD_TAGDATATYPE_STRING)
{
printf("%s = %s (%d bytes) \n", tag.name, tag.data, tag.datalen);
}
else if (tag.type == FMOD_TAGTYPE_FMOD)
{
if (!strcmp(tag.name, "Sample Rate Change"))
{
FMOD_Channel_SetFrequency(channel, *((float *)tag.data));
}
}
}
result = FMOD_Sound_GetOpenState(sound, &openstate, &percent, &starving, 0);
ERRCHECK(result);
if (channel)
{
result = FMOD_Channel_GetPaused(channel, &paused);
ERRCHECK(result);
result = FMOD_Channel_IsPlaying(channel, &playing);
ERRCHECK(result);
result = FMOD_Channel_GetPosition(channel, &ms, FMOD_TIMEUNIT_MS);
ERRCHECK(result);
result = FMOD_Channel_SetMute(channel, starving);
ERRCHECK(result);
}
printf("Time %02d:%02d:%02d : %s : (%3d%%%) %s \r", ms / 1000 / 60, ms / 1000 % 60, ms / 10 % 100, openstate == FMOD_OPENSTATE_BUFFERING ? "Buffering..." : openstate == FMOD_OPENSTATE_CONNECTING ? "Connecting..." : paused ? "Paused " : playing ? "Playing " : "Stopped ", percent, starving ? "STARVING" : " ");
Sleep(10);
} while (key != 27);
printf("\n");
printf("Shutting down.\n");
if (channel)
{
result = FMOD_Channel_Stop(channel);
ERRCHECK(result);
}
/*
If we pressed escape before it is ready, wait for it to finish opening before we release it.
*/
do
{
FMOD_OPENSTATE openstate;
result = FMOD_Sound_GetOpenState(sound, &openstate, 0, 0, 0);
ERRCHECK(result);
if (openstate == FMOD_OPENSTATE_READY)
{
break;
}
printf("Waiting for sound to finish opening before trying to release it....\r");
Sleep(10);
} while (1);
/*
Shut down
*/
result = FMOD_Sound_Release(sound);
ERRCHECK(result);
result = FMOD_System_Close(system);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
return 0;
}
FMOD_CHANNEL *queue_next_sound(int outputrate, FMOD_CHANNEL *playingchannel, int newindex, int slot)
{
FMOD_RESULT result;
FMOD_CHANNEL *newchannel;
FMOD_SOUND *newsound;
#ifdef USE_STREAMS /* Create a new stream */
FMOD_CREATESOUNDEXINFO info;
memset(&info, 0, sizeof(FMOD_CREATESOUNDEXINFO));
info.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
info.suggestedsoundtype = FMOD_SOUND_TYPE_OGGVORBIS;
result = FMOD_System_CreateStream(gSystem, soundname[newindex], FMOD_IGNORETAGS | FMOD_LOWMEM, &info, &sound[slot]);
ERRCHECK(result);
newsound = sound[slot];
#else /* Use an existing sound that was passed into us */
newsound = sound[newindex];
#endif
result = FMOD_System_PlaySound(gSystem, FMOD_CHANNEL_FREE, newsound, 1, &newchannel);
ERRCHECK(result);
result = FMOD_Channel_SetSpeakerMix(newchannel, 1,1,1,1,1,1,1,1);
ERRCHECK(result);
if (playingchannel)
{
unsigned int hi = 0, lo = 0, sound_length;
float sound_frequency;
FMOD_SOUND *playingsound;
/*
Get the start time of the playing channel.
*/
result = FMOD_Channel_GetDelay(playingchannel, FMOD_DELAYTYPE_DSPCLOCK_START, &hi, &lo);
ERRCHECK(result);
printf("playing sound started at %d\n", lo);
/*
Grab the length of the playing sound, and its frequency, so we can caluate where to place the new sound on the time line.
*/
result = FMOD_Channel_GetCurrentSound(playingchannel, &playingsound);
ERRCHECK(result);
result = FMOD_Sound_GetLength(playingsound, &sound_length, FMOD_TIMEUNIT_PCM);
ERRCHECK(result);
result = FMOD_Channel_GetFrequency(playingchannel, &sound_frequency);
ERRCHECK(result);
/*
Now calculate the length of the sound in 'output samples'.
Ie if a 44khz sound is 22050 samples long, and the output rate is 48khz, then we want to delay by 24000 output samples.
*/
sound_length *= outputrate;
sound_length /= (int)sound_frequency;
FMOD_64BIT_ADD(hi, lo, 0, sound_length); /* Add output rate adjusted sound length, to the clock value of the sound that is currently playing */
result = FMOD_Channel_SetDelay(newchannel, FMOD_DELAYTYPE_DSPCLOCK_START, hi, lo); /* Set the delay of the new sound to the end of the old sound */
ERRCHECK(result);
}
{
unsigned int hi = 0, lo = 0;
float val, variation;
/*
Randomize pitch/volume to make it sound more realistic / random.
*/
FMOD_Channel_GetFrequency(newchannel, &val);
variation = (((float)(rand()%10000) / 5000.0f) - 1.0f); /* -1.0 to +1.0 */
val *= (1.0f + (variation * 0.02f)); /* @22khz, range fluctuates from 21509 to 22491 */
FMOD_Channel_SetFrequency(newchannel, val);
FMOD_Channel_GetVolume(newchannel, &val);
variation = ((float)(rand()%10000) / 10000.0f); /* 0.0 to 1.0 */
val *= (1.0f - (variation * 0.2f)); /* 0.8 to 1.0 */
FMOD_Channel_SetVolume(newchannel, val);
FMOD_Channel_GetDelay(newchannel, FMOD_DELAYTYPE_DSPCLOCK_START, &hi, &lo);
printf("new sound to start at %d (slot %d)\n", lo, slot);
}
result = FMOD_Channel_SetPaused(newchannel, FALSE);
ERRCHECK(result);
return newchannel;
}
int main(int argc, char *argv[])
{
FMOD_SYSTEM *system = 0;
FMOD_SOUND *sound = 0;
FMOD_CHANNEL *channel = 0;
FMOD_DSP *dsp = 0;
FMOD_RESULT result;
FMOD_CREATESOUNDEXINFO exinfo;
FMOD_SPEAKERMODE speakermode;
FMOD_CAPS caps;
int key, numdrivers;
unsigned int version;
unsigned int datalength = 0, soundlength;
char name[256];
unsigned int adjustedlatency;
/*
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);
return 0;
}
/*
System initialization (recommended startup sequence)
*/
result = FMOD_System_GetNumDrivers(system, &numdrivers);
ERRCHECK(result);
if (numdrivers == 0)
{
result = FMOD_System_SetOutput(system, FMOD_OUTPUTTYPE_NOSOUND);
ERRCHECK(result);
}
else
{
result = FMOD_System_GetDriverCaps(system, 0, &caps, 0, &speakermode);
ERRCHECK(result);
result = FMOD_System_SetSpeakerMode(system, speakermode); /* Set the user selected speaker mode. */
ERRCHECK(result);
if (caps & FMOD_CAPS_HARDWARE_EMULATED) /* The user has the 'Acceleration' slider set to off! This is really bad for latency!. */
{ /* You might want to warn the user about this. */
result = FMOD_System_SetDSPBufferSize(system, 1024, 10);
ERRCHECK(result);
}
#ifdef LOWLATENCY
else
{
result = FMOD_System_SetDSPBufferSize(system, 256, 4);
}
#endif
result = FMOD_System_GetDriverInfo(system, 0, name, 256, 0);
ERRCHECK(result);
if (strstr(name, "SigmaTel")) /* Sigmatel sound devices crackle for some reason if the format is PCM 16bit. PCM floating point output seems to solve it. */
{
result = FMOD_System_SetSoftwareFormat(system, 48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0,0, FMOD_DSP_RESAMPLER_LINEAR);
ERRCHECK(result);
}
}
result = FMOD_System_Init(system, 100, FMOD_INIT_NORMAL, 0);
if (result == FMOD_ERR_OUTPUT_CREATEBUFFER) /* Ok, the speaker mode selected isn't supported by this soundcard. Switch it back to stereo... */
{
result = FMOD_System_SetSpeakerMode(system, FMOD_SPEAKERMODE_STEREO);
ERRCHECK(result);
result = FMOD_System_Init(system, 100, FMOD_INIT_NORMAL, 0);/* ... and re-init. */
ERRCHECK(result);
}
/*
System initialization complete (recommended startup sequence)
*/
/*
Create user sound to record into. Set it to loop for playback.
*/
memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));
exinfo.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
exinfo.numchannels = 1;
exinfo.format = FMOD_SOUND_FORMAT_PCM16;
exinfo.defaultfrequency = RECORDRATE;
exinfo.length = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5; /* 5 second buffer, doesnt really matter how big this is, but not too small of course. */
result = FMOD_System_CreateSound(system, 0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
ERRCHECK(result);
printf("========================================================================\n");
printf("Record with realtime playback example.\n");
printf("Copyright (c) Firelight Technologies 2004-2011.\n");
printf("\n");
printf("Try #define LOWLATENCY to reduce latency for more modern machines!\n");
printf("========================================================================\n");
printf("\n");
printf("Press a key to start recording. Playback will start %d samples (%d ms) later.\n", LATENCY, LATENCY * 1000 / RECORDRATE);
printf("\n");
_getch();
printf("Press 'E' to toggle an effect on/off.\n");
printf("Press 'Esc' to quit\n");
printf("\n");
result = FMOD_System_RecordStart(system, 0, sound, TRUE);
ERRCHECK(result);
result = FMOD_Sound_GetLength(sound, &soundlength, FMOD_TIMEUNIT_PCM);
ERRCHECK(result);
/*
Create a DSP effect to play with.
*/
result = FMOD_System_CreateDSPByType(system, FMOD_DSP_TYPE_FLANGE, &dsp);
ERRCHECK(result);
result = FMOD_DSP_SetParameter(dsp, FMOD_DSP_FLANGE_RATE, 4.0f);
ERRCHECK(result);
result = FMOD_DSP_SetBypass(dsp, TRUE);
ERRCHECK(result);
adjustedlatency = LATENCY; /* This might change depending on record block size. */
/*
Main loop.
*/
do
{
static unsigned int lastrecordpos = 0, samplesrecorded = 0;
unsigned int recordpos = 0, recorddelta;
key = 0;
if (_kbhit())
{
key = _getch();
}
if (key == 'e' || key == 'E')
{
int bypass;
FMOD_DSP_GetBypass(dsp, &bypass);
FMOD_DSP_SetBypass(dsp, !bypass);
if (bypass)
{
FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_CONCERTHALL;
FMOD_System_SetReverbProperties(system, &prop);
}
else
{
FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_OFF;
FMOD_System_SetReverbProperties(system, &prop);
}
printf("\n\n *** TURN DSP EFFECT %s ** \n\n", bypass ? "ON" : "OFF");
}
FMOD_System_GetRecordPosition(system, 0, &recordpos);
ERRCHECK(result);
recorddelta = recordpos >= lastrecordpos ? recordpos - lastrecordpos : recordpos + soundlength - lastrecordpos;
samplesrecorded += recorddelta;
if (samplesrecorded >= adjustedlatency && !channel)
{
result = FMOD_System_PlaySound(system, FMOD_CHANNEL_FREE, sound, 0, &channel);
ERRCHECK(result);
result = FMOD_Channel_AddDSP(channel, dsp, 0);
ERRCHECK(result);
}
if (channel && recorddelta)
{
unsigned int playrecorddelta;
unsigned int playpos = 0;
int adjusting = 0;
float smootheddelta;
float dampratio = 0.97f;
static unsigned int minrecorddelta = (unsigned int)-1;
/*
If the record driver steps the position of the record cursor in larger increments than the user defined latency value, then we should
increase our latency value to match.
*/
if (recorddelta < minrecorddelta)
{
minrecorddelta = recorddelta;
if (adjustedlatency < recorddelta)
{
adjustedlatency = recorddelta;
}
}
FMOD_Channel_GetPosition(channel, &playpos, FMOD_TIMEUNIT_PCM);
playrecorddelta = recordpos >= playpos ? recordpos - playpos : recordpos + soundlength - playpos;
/*
Smooth total
*/
{
static float total = 0;
total = total * dampratio;
total += playrecorddelta;
smootheddelta = total * (1.0f - dampratio);
}
if (smootheddelta < adjustedlatency - DRIFTTHRESHOLD || smootheddelta > soundlength / 2) /* if play cursor is catching up to record (or passed it), slow playback down */
{
FMOD_Channel_SetFrequency(channel, RECORDRATE - (RECORDRATE / 50)); /* Decrease speed by 2% */
adjusting = 1;
}
else if (smootheddelta > adjustedlatency + DRIFTTHRESHOLD) /* if play cursor is falling too far behind record, speed playback up */
{
FMOD_Channel_SetFrequency(channel, RECORDRATE + (RECORDRATE / 50)); /* Increase speed by 2% */
adjusting = 2;
}
else
{
FMOD_Channel_SetFrequency(channel, RECORDRATE); /* Otherwise set to normal rate */
adjusting = 0;
}
printf("REC %5d (REC delta %5d) : PLAY %5d, PLAY/REC diff %5d %s\r", recordpos, recorddelta, playpos, (int)smootheddelta, adjusting == 1 ? "DECREASE SPEED" : adjusting == 2 ? "INCREASE SPEED" : " ");
}
lastrecordpos = recordpos;
FMOD_System_Update(system);
Sleep(10);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = FMOD_Sound_Release(sound);
ERRCHECK(result);
result = FMOD_System_Release(system);
ERRCHECK(result);
return 0;
}
//------------------------------------------------------------
void ofFmodSoundPlayer::setSpeed(float spd){
if (isPlaying()){
FMOD_Channel_SetFrequency(channel, internalFreq * spd);
}
speed = spd;
}
void sound::speed(float f)
{
FMOD_Channel_SetFrequency(_chan, _origFreq * f);
}
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;
}
