/**
 * Create a map where the keys are the names of the devices
 * and the values are the id (0-x where x = num of devices)
 */
map<string,int> AudioDevice::getDeviceMap()
{
    FMOD_RESULT result;
    FMOD::System* sys;
    result = FMOD::System_Create( &sys );
    FMODErrorCheck(result);

    int numDrivers;
    result = sys->getNumDrivers(&numDrivers);
    FMODErrorCheck(result);

    map<string,int> deviceMap;
    //app::console() << "===========================" << endl;
    //app::console() << "Listing audio devices:" << endl;
    for(int i=0; i<numDrivers; i++)
    {
        FMOD_GUID guid;
        char deviceName[256];
        sys->getDriverInfo(i, deviceName, 256, &guid);
        //app::console() << "(" << i << ") " << deviceName << endl;
        deviceMap[string(deviceName)] = i;
    }
    //app::console() << "===========================" << endl;
    FMODErrorCheck( sys->close() );
    FMODErrorCheck( sys->release() );
    return deviceMap;
}
示例#2
0
int main(int argc, char *argv[])
{
    FMOD::System          *system  = 0;
    FMOD::Sound           *sound   = 0;
    FMOD::Channel         *channel = 0;
    FMOD_RESULT            result;
    FMOD_CREATESOUNDEXINFO exinfo;
    int                    key, driver, recorddriver, numdrivers, count;
    unsigned int           version;    

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&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
    */
    printf("---------------------------------------------------------\n");    
    printf("Select OUTPUT type\n");    
    printf("---------------------------------------------------------\n");    
    printf("1 :  OSS        - Open Sound System\n");
    printf("2 :  ALSA       - Advanced Linux Sound Architecture\n");
    printf("3 :  ESD        - Enlightenment Sound Daemon\n");
    printf("4 :  PULSEAUDIO - Pulse Audio Sound Server\n");
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    do
    {
        key = getch();
    } while (key != 27 && key < '1' && key > '5');
    
    switch (key)
    {
        case '1' :  result = system->setOutput(FMOD_OUTPUTTYPE_OSS);
                    break;
        case '2' :  result = system->setOutput(FMOD_OUTPUTTYPE_ALSA);
                    break;
        case '3' :  result = system->setOutput(FMOD_OUTPUTTYPE_ESD);
                    break;
        case '4' :  result = system->setOutput(FMOD_OUTPUTTYPE_PULSEAUDIO);
                    break;
        default  :  return 1; 
    }  
    ERRCHECK(result);
    
    /*
        Enumerate playback devices
    */

    result = system->getNumDrivers(&numdrivers);
    ERRCHECK(result);

    printf("---------------------------------------------------------\n");    
    printf("Choose a PLAYBACK driver\n");
    printf("---------------------------------------------------------\n");    
    for (count=0; count < numdrivers; count++)
    {
        char name[256];

        result = system->getDriverInfo(count, name, 256, 0);
        ERRCHECK(result);

        printf("%d : %s\n", count + 1, name);
    }
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    do
    {
        key = getch();
        if (key == 27)
        {
            return 0;
        }
        driver = key - '1';
    } while (driver < 0 || driver >= numdrivers);

    result = system->setDriver(driver);
    ERRCHECK(result);

    /*
        Enumerate record devices
    */

    result = system->getRecordNumDrivers(&numdrivers);
    ERRCHECK(result);

    printf("---------------------------------------------------------\n");    
    printf("Choose a RECORD driver\n");
    printf("---------------------------------------------------------\n");    
    for (count=0; count < numdrivers; count++)
    {
        char name[256];

        result = system->getRecordDriverInfo(count, name, 256, 0);
        ERRCHECK(result);

        printf("%d : %s\n", count + 1, name);
    }
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    recorddriver = 0;
    do
    {
        key = getch();
        if (key == 27)
        {
            return 0;
        }
        recorddriver = key - '1';
    } while (recorddriver < 0 || recorddriver >= numdrivers);

    printf("\n");
  
    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

    memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));

    exinfo.cbsize           = sizeof(FMOD_CREATESOUNDEXINFO);
    exinfo.numchannels      = 2;
    exinfo.format           = FMOD_SOUND_FORMAT_PCM16;
    exinfo.defaultfrequency = 44100;
    exinfo.length           = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5;
    
    result = system->createSound(0, FMOD_2D | FMOD_SOFTWARE | FMOD_OPENUSER, &exinfo, &sound);
    ERRCHECK(result);

    printf("===================================================================\n");
    printf("Recording example.  Copyright (c) Firelight Technologies 2004-2011.\n");
    printf("===================================================================\n");
    printf("\n");
    printf("Press 'r' to record a 5 second segment of audio and write it to a wav file.\n");
    printf("Press 'p' to play the 5 second segment of audio.\n");
    printf("Press 'l' to turn looping on/off.\n");
    printf("Press 's' to stop recording and playback.\n");
    printf("Press 'w' to save the 5 second segment to a wav file.\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    /*
        Main loop.
    */
    do
    {
        static FMOD::Channel *channel = 0;
        static bool  looping    = false;
        bool         recording  = false;
        bool         playing    = false;
        unsigned int recordpos = 0;
        unsigned int playpos = 0;
        unsigned int length;

        if (kbhit())
        {
            key = getch();

            switch (key)
            {
                case 'r' :
                case 'R' :
                {
                    result = system->recordStart(recorddriver, sound, looping);
                    ERRCHECK(result);
                    break;
                }
                case 'p' :
                case 'P' :
                {
                    if (looping)
                    {
                        sound->setMode(FMOD_LOOP_NORMAL);
                    }
                    else
                    {
                        sound->setMode(FMOD_LOOP_OFF);
                    }
                    ERRCHECK(result);

                    result = system->playSound(FMOD_CHANNEL_REUSE, sound, false, &channel);
                    ERRCHECK(result);
                    break;
                }
                case 'l' :
                case 'L' :
                {
                    looping = !looping;
                    break;
                }
                case 's' :
                case 'S' :
                {
                    result = system->recordStop(recorddriver);
                    if (channel)
                    {
                        channel->stop();
                        channel = 0;
                    }
                    break;
                }
                case 'w' :
                case 'W' :
                {
                    printf("Writing to record.wav ...                                                     \r");

                    SaveToWav(sound);
                    Sleep(500);
                    break;
                }
            }
        }

        sound->getLength(&length, FMOD_TIMEUNIT_PCM);
        ERRCHECK(result);

        system->isRecording(recorddriver, &recording);
        ERRCHECK(result);

        system->getRecordPosition(recorddriver, &recordpos);
        ERRCHECK(result);

        if (channel)
        {
            channel->isPlaying(&playing);
            ERRCHECK(result);

            channel->getPosition(&playpos, FMOD_TIMEUNIT_PCM);
            ERRCHECK(result);
        }

        printf("State: %-19s. Record pos = %6d : Play pos = %6d : Loop %-3s\r", recording ? playing ? "Recording / playing" : "Recording" : playing ? "Playing" : "Idle", recordpos, playpos, looping ? "On" : "Off");
        fflush(stdout);

        system->update();

        fflush(stdout);
        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);

    result = system->release();
    ERRCHECK(result);

    return 0;
}
示例#3
0
int main(int argc, char *argv[])
{
    FMOD::System          *system  = 0;
    FMOD::Sound           *sound   = 0;
    FMOD::Channel         *channel = 0;
    FMOD_RESULT            result;
    FMOD_CREATESOUNDEXINFO exinfo;
    int                    key, driver, recorddriver, numdrivers, count, outputfreq, bin;
    unsigned int           version;    

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&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
    */
    printf("---------------------------------------------------------\n");    
    printf("Select OUTPUT type\n");    
    printf("---------------------------------------------------------\n");    
    printf("1 :  OSS        - Open Sound System\n");
    printf("2 :  ALSA       - Advanced Linux Sound Architecture\n");
    printf("3 :  ESD        - Enlightenment Sound Daemon\n");
    printf("4 :  PULSEAUDIO - Pulse Audio Sound Server\n");
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    do
    {
        key = getch();
    } while (key != 27 && key < '1' && key > '5');
    
    switch (key)
    {
        case '1' :  result = system->setOutput(FMOD_OUTPUTTYPE_OSS);
                    break;
        case '2' :  result = system->setOutput(FMOD_OUTPUTTYPE_ALSA);
                    break;
        case '3' :  result = system->setOutput(FMOD_OUTPUTTYPE_ESD);
                    break;
        case '4' :  result = system->setOutput(FMOD_OUTPUTTYPE_PULSEAUDIO);
                    break;                   
        default  :  return 1; 
    }  
    ERRCHECK(result);
    
    /*
        Enumerate playback devices
    */

    result = system->getNumDrivers(&numdrivers);
    ERRCHECK(result);

    printf("---------------------------------------------------------\n");    
    printf("Choose a PLAYBACK driver\n");
    printf("---------------------------------------------------------\n");    
    for (count=0; count < numdrivers; count++)
    {
        char name[256];

        result = system->getDriverInfo(count, name, 256, 0);
        ERRCHECK(result);

        printf("%d : %s\n", count + 1, name);
    }
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    do
    {
        key = getch();
        if (key == 27)
        {
            return 0;
        }
        driver = key - '1';
    } while (driver < 0 || driver >= numdrivers);

    result = system->setDriver(driver);
    ERRCHECK(result);

    /*
        Enumerate record devices
    */

    result = system->getRecordNumDrivers(&numdrivers);
    ERRCHECK(result);

    printf("---------------------------------------------------------\n");    
    printf("Choose a RECORD driver\n");
    printf("---------------------------------------------------------\n");    
    for (count=0; count < numdrivers; count++)
    {
        char name[256];

        result = system->getRecordDriverInfo(count, name, 256, 0);
        ERRCHECK(result);

        printf("%d : %s\n", count + 1, name);
    }
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    recorddriver = 0;
    do
    {
        key = getch();
        if (key == 27)
        {
            return 0;
        }
        recorddriver = key - '1';
    } while (recorddriver < 0 || recorddriver >= numdrivers);

    printf("\n");
 
    result = system->setSoftwareFormat(OUTPUTRATE, FMOD_SOUND_FORMAT_PCM16, 1, 0, FMOD_DSP_RESAMPLER_LINEAR);
    ERRCHECK(result);

    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

    system->getSoftwareFormat(&outputfreq, 0, 0, 0, 0, 0);
    ERRCHECK(result);

    /*
        Create a sound to record to.
    */
    memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));

    exinfo.cbsize           = sizeof(FMOD_CREATESOUNDEXINFO);
    exinfo.numchannels      = 1;
    exinfo.format           = FMOD_SOUND_FORMAT_PCM16;
    exinfo.defaultfrequency = OUTPUTRATE;
    exinfo.length           = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5;
    
    result = system->createSound(0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
    ERRCHECK(result);

    /*
        Start the interface
    */
    printf("=========================================================================\n");
    printf("Pitch detection example.  Copyright (c) Firelight Technologies 2004-2014.\n");
    printf("=========================================================================\n");
    printf("\n");
    printf("Record something through the selected recording device and FMOD will\n");
    printf("Determine the pitch.  Sustain the tone for at least a second to get an\n");
    printf("accurate reading.\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    result = system->recordStart(recorddriver, sound, true);
    ERRCHECK(result);
    
    Sleep(200);      /* Give it some time to record something */
    
    result = system->playSound(FMOD_CHANNEL_REUSE, sound, false, &channel);
    ERRCHECK(result);

    /* Dont hear what is being recorded otherwise it will feedback.  Spectrum analysis is done before volume scaling in the DSP chain */
    result = channel->setVolume(0);
    ERRCHECK(result);

    bin = 0;

    /*
        Main loop.
    */
    do
    {
        static float spectrum[SPECTRUMSIZE];
        float        dominanthz = 0;
        float        max;
        int          dominantnote = 0;
        float        binsize = BINSIZE;

        if (kbhit())
        {
            key = getch();
        }

        result = channel->getSpectrum(spectrum, SPECTRUMSIZE, 0, FMOD_DSP_FFT_WINDOW_TRIANGLE);
        ERRCHECK(result);

        max = 0;

        for (count = 0; count < SPECTRUMSIZE; count++)
        {
            if (spectrum[count] > 0.01f && spectrum[count] > max)
            {
                max = spectrum[count];
                bin = count;
            }
        }        

        dominanthz  = (float)bin * BINSIZE;       /* dominant frequency min */

        dominantnote = 0;
        for (count = 0; count < 120; count++)
        {
             if (dominanthz >= notefreq[count] && dominanthz < notefreq[count + 1])
             {
                /* which is it closer to.  This note or the next note */
                if (fabs(dominanthz - notefreq[count]) < fabs(dominanthz - notefreq[count+1]))
                {
                    dominantnote = count;
                }
                else
                {
                    dominantnote = count + 1;
                }
                break;
             }
        }

        printf("Detected rate : %7.1f -> %7.1f hz.  Detected musical note. %-3s (%7.1f hz)\r", dominanthz, ((float)bin + 0.99f) * BINSIZE, note[dominantnote], notefreq[dominantnote]);
        fflush(stdout);

        system->update();

        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);

    result = system->release();
    ERRCHECK(result);

    return 0;
}
示例#4
0
int main(int argc, char *argv[])
{
    FMOD::System    *system;
    FMOD::Sound     *sound1, *sound2, *sound3;
    FMOD::Channel   *channel1 = 0, *channel2 = 0, *channel3 = 0;
    FMOD_RESULT      result;
    int              key, numdrivers;
    bool             listenerflag = true;
    FMOD_VECTOR      listenerpos  = { 0.0f, 0.0f, -1.0f * DISTANCEFACTOR };
    unsigned int     version;
    FMOD_SPEAKERMODE speakermode;
    FMOD_CAPS        caps;
    char             name[256];

    printf("===============================================================\n");
    printf("3d Example.  Copyright (c) Firelight Technologies 2004-2015.\n");
    printf("===============================================================\n");
    printf("This example plays 2 3D sounds in hardware.  Optionally you can\n");
    printf("play a 2D hardware sound as well.\n");
    printf("===============================================================\n\n");

    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);
    
    result = system->getVersion(&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 = system->getNumDrivers(&numdrivers);
    ERRCHECK(result);

    if (numdrivers == 0)
    {
        result = system->setOutput(FMOD_OUTPUTTYPE_NOSOUND);
        ERRCHECK(result);
    }
    else
    {
        result = system->getDriverCaps(0, &caps, 0, &speakermode);
        ERRCHECK(result);

        result = system->setSpeakerMode(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 = system->setDSPBufferSize(1024, 10);
            ERRCHECK(result);
        }

        result = system->getDriverInfo(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 = system->setSoftwareFormat(48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0,0, FMOD_DSP_RESAMPLER_LINEAR);
            ERRCHECK(result);
        }
    }

    result = system->init(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 = system->setSpeakerMode(FMOD_SPEAKERMODE_STEREO);
        ERRCHECK(result);
            
        result = system->init(100, FMOD_INIT_NORMAL, 0);/* ... and re-init. */
        ERRCHECK(result);
    }

    
    /*
        Set the distance units. (meters/feet etc).
    */
    result = system->set3DSettings(1.0, DISTANCEFACTOR, 1.0f);
    ERRCHECK(result);

    /*
        Load some sounds
    */
    result = system->createSound("../media/drumloop.wav", FMOD_3D, 0, &sound1);
    ERRCHECK(result);
    result = sound1->set3DMinMaxDistance(0.5f * DISTANCEFACTOR, 5000.0f * DISTANCEFACTOR);
    ERRCHECK(result);
    result = sound1->setMode(FMOD_LOOP_NORMAL);
    ERRCHECK(result);

    result = system->createSound("../media/jaguar.wav", FMOD_3D, 0, &sound2);
    ERRCHECK(result);
    result = sound2->set3DMinMaxDistance(0.5f * DISTANCEFACTOR, 5000.0f * DISTANCEFACTOR);
    ERRCHECK(result);
    result = sound2->setMode(FMOD_LOOP_NORMAL);
    ERRCHECK(result);

    result = system->createSound("../media/swish.wav", FMOD_SOFTWARE | FMOD_2D, 0, &sound3);
    ERRCHECK(result);

    /*
        Play sounds at certain positions
    */
    {
        FMOD_VECTOR pos = { -10.0f * DISTANCEFACTOR, 0.0f, 0.0f };
        FMOD_VECTOR vel = {  0.0f, 0.0f, 0.0f };

        result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel1);
        ERRCHECK(result);
        result = channel1->set3DAttributes(&pos, &vel);
        ERRCHECK(result);
        result = channel1->setPaused(false);
        ERRCHECK(result);
    }

    {
        FMOD_VECTOR pos = { 15.0f * DISTANCEFACTOR, 0.0f, 0.0f };
        FMOD_VECTOR vel = { 0.0f, 0.0f, 0.0f };

        result = system->playSound(FMOD_CHANNEL_FREE, sound2, true, &channel2);
        ERRCHECK(result);
        result = channel2->set3DAttributes(&pos, &vel);
        ERRCHECK(result);
        result = channel2->setPaused(false);
        ERRCHECK(result);
    }

    /*
        Display help
    */
    {
        int numchannels;

        result = system->getHardwareChannels(&numchannels);
        ERRCHECK(result);
    
        printf("Hardware channels : %d\n", numchannels);
    }

    printf("=========================================================================\n");
    printf("Press 1        Pause/Unpause 16bit 3D sound at any time\n");
    printf("      2        Pause/Unpause 8bit 3D sound at any time\n");
    printf("      3        Play 16bit STEREO 2D sound at any time\n");
    printf("      <        Move listener left (in still mode)\n");
    printf("      >        Move listener right (in still mode)\n");
    printf("      SPACE    Stop/Start listener automatic movement\n");
    printf("      ESC      Quit\n");
    printf("=========================================================================\n");

    /*
        Main loop
    */
    do
    {
        if (_kbhit())
        {
            key = _getch();

            if (key == '1') 
            {
                bool paused;
                channel1->getPaused(&paused);
                channel1->setPaused(!paused);
            }

            if (key == '2') 
            {
                bool paused;
                channel2->getPaused(&paused);
                channel2->setPaused(!paused);
            }

            if (key == '3') 
            {
                result = system->playSound(FMOD_CHANNEL_FREE, sound3, false, &channel3);
                ERRCHECK(result);
            }

            if (key == ' ')
            {
                listenerflag = !listenerflag;
            }

            if (!listenerflag)
            {
                if (key == '<') 
                {
                    listenerpos.x -= 1.0f * DISTANCEFACTOR;
                    if (listenerpos.x < -35 * DISTANCEFACTOR)
                    {
                        listenerpos.x = -35 * DISTANCEFACTOR;
                    }
                }
                if (key == '>') 
                {
                    listenerpos.x += 1.0f * DISTANCEFACTOR;
                    if (listenerpos.x > 36 * DISTANCEFACTOR)
                    {
                        listenerpos.x = 36 * DISTANCEFACTOR;
                    }
                }
            }
        }

        // ==========================================================================================
        // UPDATE THE LISTENER
        // ==========================================================================================
        {
            static float t = 0;
            static FMOD_VECTOR lastpos = { 0.0f, 0.0f, 0.0f };
            FMOD_VECTOR forward        = { 0.0f, 0.0f, 1.0f };
            FMOD_VECTOR up             = { 0.0f, 1.0f, 0.0f };
            FMOD_VECTOR vel;

            if (listenerflag)
            {
                listenerpos.x = (float)sin(t * 0.05f) * 33.0f * DISTANCEFACTOR; // left right pingpong
            }

            // ********* NOTE ******* READ NEXT COMMENT!!!!!
            // vel = how far we moved last FRAME (m/f), then time compensate it to SECONDS (m/s).
            vel.x = (listenerpos.x - lastpos.x) * (1000 / INTERFACE_UPDATETIME);
            vel.y = (listenerpos.y - lastpos.y) * (1000 / INTERFACE_UPDATETIME);
            vel.z = (listenerpos.z - lastpos.z) * (1000 / INTERFACE_UPDATETIME);

            // store pos for next time
            lastpos = listenerpos;

            result = system->set3DListenerAttributes(0, &listenerpos, &vel, &forward, &up);
            ERRCHECK(result);

            t += (30 * (1.0f / (float)INTERFACE_UPDATETIME));    // t is just a time value .. it increments in 30m/s steps in this example

            // print out a small visual display
            {
                char s[80];

                sprintf(s, "|.......................<1>......................<2>....................|");

                s[(int)(listenerpos.x / DISTANCEFACTOR) + 35] = 'L';
                printf("%s\r", s);
            }
        }

        system->update();

        Sleep(INTERFACE_UPDATETIME - 1);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound1->release();
    ERRCHECK(result);
    result = sound2->release();
    ERRCHECK(result);
    result = sound3->release();
    ERRCHECK(result);

    result = system->close();
    ERRCHECK(result);
    result = system->release();
    ERRCHECK(result);

    return 0;
}
int PitchDetector::DetectPitch()
{
    FMOD::System          *system  = 0;
    FMOD::Sound           *sound   = 0;
    FMOD::Channel         *channel = 0;
    FMOD_RESULT            result;
    FMOD_CREATESOUNDEXINFO exinfo;
    int                    key, driver, recorddriver, numdrivers, count, bin;
    unsigned int           version;    
	
    /*
        Create a System object and initialize.
    */
    result = FMOD::System_Create(&system);
    ERRCHECK(result);

    result = system->getVersion(&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(-1);
    }

    /* 
        System initialization
    */
    printf("---------------------------------------------------------\n");    
    printf("Select OUTPUT type\n");    
    printf("---------------------------------------------------------\n");    
    printf("1 :  DirectSound\n");
    printf("2 :  Windows Multimedia WaveOut\n");
    printf("3 :  ASIO\n");
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    do
    {
        //key = _getch();
		key = '1'; //TODO: this uses the default io device rather than using user input
    } while (key != 27 && key < '1' && key > '5');
    
    switch (key)
    {
        case '1' :  result = system->setOutput(FMOD_OUTPUTTYPE_DSOUND);
                    break;
        case '2' :  result = system->setOutput(FMOD_OUTPUTTYPE_WINMM);
                    break;
        case '3' :  result = system->setOutput(FMOD_OUTPUTTYPE_ASIO);
                    break;
        default  :  return(0); 
    }  
    ERRCHECK(result);
    
    /*
        Enumerate playback devices
    */

    result = system->getNumDrivers(&numdrivers);
    ERRCHECK(result);

    printf("---------------------------------------------------------\n");    
    printf("Choose a PLAYBACK driver\n");
    printf("---------------------------------------------------------\n");    
    for (count=0; count < numdrivers; count++)
    {
        char name[256];

        result = system->getDriverInfo(count, name, 256, 0);
        ERRCHECK(result);

        printf("%d : %s\n", count + 1, name);
    }
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    do
    {
        //key = _getch();
		key = '1'; //TODO: io devices
        if (key == 27)
        {
            return(0);
        }
        driver = key - '1';
    } while (driver < 0 || driver >= numdrivers);

    result = system->setDriver(driver);
    ERRCHECK(result);

    /*
        Enumerate record devices
    */

    result = system->getRecordNumDrivers(&numdrivers);
    ERRCHECK(result);

    printf("---------------------------------------------------------\n");    
    printf("Choose a RECORD driver\n");
    printf("---------------------------------------------------------\n");    
    for (count=0; count < numdrivers; count++)
    {
        char name[256];

        result = system->getRecordDriverInfo(count, name, 256, 0);
        ERRCHECK(result);

        printf("%d : %s\n", count + 1, name);
    }
    printf("---------------------------------------------------------\n");
    printf("Press a corresponding number or ESC to quit\n");

    recorddriver = 0;
    do
    {
        //key = _getch();
		key = '1'; //TODO: io devices
        if (key == 27)
        {
            return(0);
        }
        recorddriver = key - '1';
    } while (recorddriver < 0 || recorddriver >= numdrivers);

    printf("\n");
 
    result = system->setSoftwareFormat(OUTPUT_RATE, FMOD_SOUND_FORMAT_PCM16, 1, 0, FMOD_DSP_RESAMPLER_LINEAR);
    ERRCHECK(result);

    result = system->init(32, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

    /*
        Create a sound to record to.
    */
    memset(&exinfo, 0, sizeof(FMOD_CREATESOUNDEXINFO));

    exinfo.cbsize           = sizeof(FMOD_CREATESOUNDEXINFO);
    exinfo.numchannels      = 1;
    exinfo.format           = FMOD_SOUND_FORMAT_PCM16;
    exinfo.defaultfrequency = OUTPUT_RATE;
    exinfo.length           = exinfo.defaultfrequency * sizeof(short) * exinfo.numchannels * 5;
    
    result = system->createSound(0, FMOD_2D | FMOD_SOFTWARE | FMOD_LOOP_NORMAL | FMOD_OPENUSER, &exinfo, &sound);
    ERRCHECK(result);

    /*
        Start the interface
    */
    printf("=========================================================================\n");
    printf("Pitch detection example.  Copyright (c) Firelight Technologies 2004-2011.\n");
    printf("=========================================================================\n");
    printf("\n");
    printf("Record something through the selected recording device and FMOD will\n");
    printf("Determine the pitch.  Sustain the tone for at least a second to get an\n");
    printf("accurate reading.\n");
    printf("Press 'Esc' to quit\n");
    printf("\n");

    result = system->recordStart(recorddriver, sound, true);
    ERRCHECK(result);
    
    Sleep(100);      /* Give it some time to record something */
    
    result = system->playSound(FMOD_CHANNEL_REUSE, sound, false, &channel);
    ERRCHECK(result);

    /* Dont hear what is being recorded otherwise it will feedback.  Spectrum analysis is done before volume scaling in the DSP chain */
    result = channel->setVolume(0);
    ERRCHECK(result);

    bin = 0;

    /*
        Main loop.
    */
    do
    {
        static float spectrum[SPECTRUM_SIZE];
        float       dominantHz = 0;
        float       max;
        int         dominantNote = 0;
        float       binSize = BIN_SIZE;
		bool		hasUpdated = false;
		char		windowTitle[sizeof("Pitch Detector: ---")] = "Pitch Detector: ---";
		int			noteIndex;
		double		noteDeviation;
		
        if (_kbhit())
        {
            key = _getch();
        }

        result = channel->getSpectrum(spectrum, SPECTRUM_SIZE, 0, FMOD_DSP_FFT_WINDOW_TRIANGLE);
        ERRCHECK(result);

        max = 0;

        for (count = 0; count < SPECTRUM_SIZE; count++)
        {
            if (spectrum[count] > 0.01f && spectrum[count] > max)
            {
                max = spectrum[count];
                bin = count;
				hasUpdated = true;
            }
        }        

        dominantHz  = (float)bin * BIN_SIZE;       /* dominant frequency min */

        dominantNote = 0;
        for (count = 0; count < 120; count++)
        {
             if (dominantHz >= noteFreq[count] && dominantHz < noteFreq[count + 1])
             {
                /* which is it closer to.  This note or the next note */
                if (fabs(dominantHz - noteFreq[count]) < fabs(dominantHz - noteFreq[count+1]))
                {
                    dominantNote = count;
                }
                else
                {
                    dominantNote = count + 1;
                }
                break;
             }
        }

        printf("Detected rate : %7.1f -> %7.1f hz.  Detected musical note. %-3s (%7.1f hz)\r", 
			dominantHz, ((float)bin + 0.99f) * BIN_SIZE, note[dominantNote], noteFreq[dominantNote]);

		// Sets the window title to Pitch Detector: (NOTE)(#|)([0-9]) \| (KEY_MAPPING)
		string noteStr = note[dominantNote];
		noteStr = noteStr[0];
		string keyMapping = " | " + mappingsInterface->GetBoxText(noteStr);
		strncpy(windowTitle + sizeof("Pitch Detector: ") - 1, note[dominantNote], 3);
		if (!hasUpdated) 
		{
			strncpy(windowTitle + sizeof("Pitch Detector: ") - 1, "---", 3);
			keyMapping = "";
		}
		string windowTitleStr = windowTitle;
		emit UpdateTitleSignal(QString((windowTitleStr + keyMapping).c_str()));

		// Sets the feedback of what note is being played
		if (!hasUpdated) 
		{
			noteIndex = -1;
			noteDeviation = 0;
		} 
		else
		{
			noteIndex = NoteToIndex(dominantNote);
			noteDeviation = GetNoteDeviation(dominantHz, dominantNote);
		}
		emit UpdateNoteDisplaySignal(noteIndex, noteDeviation);

        system->update();
        Sleep(10);
    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);

    result = system->release();
    ERRCHECK(result);
	return 0;
}
示例#6
0
int main()
{
	// ================================================================================================
	// Application-independent initialization
	// ================================================================================================

	FMOD::System *system;
	FMOD_RESULT result;
	unsigned int version;
	int numDrivers;
	FMOD_SPEAKERMODE speakerMode;
	FMOD_CAPS caps;
	char name[256];

	// Create FMOD interface object
	result = FMOD::System_Create(&system);
	FMODErrorCheck(result);

	// Check version
	result = system->getVersion(&version);
	FMODErrorCheck(result);

	if (version < FMOD_VERSION)
	{
		std::cout << "Error! You are using an old version of FMOD " << version << ". This program requires " << FMOD_VERSION << std::endl;
		return 0;
	}
	
	// Get number of sound cards
	result = system->getNumDrivers(&numDrivers);
	FMODErrorCheck(result);
	
	// No sound cards (disable sound)
	if (numDrivers == 0)
	{
		result = system->setOutput(FMOD_OUTPUTTYPE_NOSOUND);
		FMODErrorCheck(result);
	}

	// At least one sound card
	else
	{
		// Get the capabilities of the default (0) sound card
		result = system->getDriverCaps(0, &caps, 0, &speakerMode);
		FMODErrorCheck(result);
	
		// Set the speaker mode to match that in Control Panel
		result = system->setSpeakerMode(speakerMode);
		FMODErrorCheck(result);
	
		// Increase buffer size if user has Acceleration slider set to off
		if (caps & FMOD_CAPS_HARDWARE_EMULATED)
		{
			result = system->setDSPBufferSize(1024, 10);
			FMODErrorCheck(result);
		}
	
		// Get name of driver
		result = system->getDriverInfo(0, name, 256, 0);
		FMODErrorCheck(result);
	
		// SigmaTel sound devices crackle for some reason if the format is PCM 16-bit.
		// PCM floating point output seems to solve it.
		if (strstr(name, "SigmaTel"))
		{
			result = system->setSoftwareFormat(48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0, 0, FMOD_DSP_RESAMPLER_LINEAR);
			FMODErrorCheck(result);
		}
	}

	// Initialise FMOD
	result = system->init(100, FMOD_INIT_NORMAL, 0);

	// If the selected speaker mode isn't supported by this sound card, switch it back to stereo
	if (result == FMOD_ERR_OUTPUT_CREATEBUFFER)
	{
		result = system->setSpeakerMode(FMOD_SPEAKERMODE_STEREO);
		FMODErrorCheck(result);
	
		result = system->init(100, FMOD_INIT_NORMAL, 0);
	}
	FMODErrorCheck(result);

	// ================================================================================================
	// Application-specific code
	// ================================================================================================

	bool quit = false;
	bool fading = false;
	int fadeLength = 3000;
	int fadeStartTick;

	// Open music as a stream
	FMOD::Sound *song1, *song2, *effect;
	result = system->createStream("Song1.mp3", FMOD_DEFAULT, 0, &song1);
	FMODErrorCheck(result);
	result = system->createStream("Song2.mp3", FMOD_DEFAULT, 0, &song2);
	FMODErrorCheck(result);

	// Load sound effects into memory (not streaming)
	result = system->createSound("Effect.mp3", FMOD_DEFAULT, 0, &effect);
	FMODErrorCheck(result);

	// Assign each song to a channel and start them paused
	FMOD::Channel *channel1, *channel2;
	result = system->playSound(FMOD_CHANNEL_FREE, song1, true, &channel1);
	FMODErrorCheck(result);
	result = system->playSound(FMOD_CHANNEL_FREE, song2, true, &channel2);
	FMODErrorCheck(result);

	// Songs should repeat forever
	channel1->setLoopCount(-1);
	channel2->setLoopCount(-1);

	// Print instructions
	std::cout <<
		"FMOD Simple Demo - (c) Katy Coe 2012 - www.djkaty.com" << std::endl <<
		"=====================================================" << std::endl << std::endl <<
		"Press:" << std::endl << std::endl <<
		"  1 - Toggle song 1 pause on/off" << std::endl <<
		"  2 - Toggle song 2 pause on/off" << std::endl <<
		"  F - Fade from song 1 to song 2" << std::endl <<
		"  S - Play one-shot sound effect" << std::endl <<
		"  Q - Quit" << std::endl;

	while (!quit)
	{
		// Per-frame FMOD update
		FMODErrorCheck(system->update());

		// Q - Quit
		if (GetAsyncKeyState('Q'))
			quit = true;

		// 1 - Toggle song 1 pause state
		if (GetAsyncKeyState('1'))
		{
			bool isPaused;
			channel1->getPaused(&isPaused);
			channel1->setPaused(!isPaused);
			while (GetAsyncKeyState('1'));
		}

		// 2 - Toggle song 2 pause state
		if (GetAsyncKeyState('2'))
		{
			bool isPaused;
			channel2->getPaused(&isPaused);
			channel2->setPaused(!isPaused);
			while (GetAsyncKeyState('2'));
		}

		// F - Begin fade from song 1 to song 2
		if (GetAsyncKeyState('F'))
		{
			channel1->setVolume(1.0f);
			channel2->setVolume(0.0f);
			channel1->setPaused(false);
			channel2->setPaused(false);
			fading = true;
			fadeStartTick = GetTickCount();

			while (GetAsyncKeyState('F'));
		}

		// Play one-shot sound effect (without storing channel handle)
		if (GetAsyncKeyState('S'))
		{
			system->playSound(FMOD_CHANNEL_FREE, effect, false, 0);

			while (GetAsyncKeyState('S'));
		}

		// Fade function if fade is in progress
		if (fading)
		{
			// Get volume from 0.0f - 1.0f depending on number of milliseconds elapsed since fade started
			float volume = min(static_cast<float>(GetTickCount() - fadeStartTick) / fadeLength, 1.0f);

			// Fade is over if song 2 has reached full volume
			if (volume == 1.0f)
			{
				fading = false;
				channel1->setPaused(true);
				channel1->setVolume(1.0f);
			}

			// Translate linear volume into a smooth sine-squared fade effect
			volume = static_cast<float>(sin(volume * M_PI / 2));
			volume *= volume;

			// Fade song 1 out and song 2 in
			channel1->setVolume(1.0f - volume);
			channel2->setVolume(volume);
		}
	}

	// Free resources
	FMODErrorCheck(song1->release());
	FMODErrorCheck(song2->release());
	FMODErrorCheck(effect->release());
	FMODErrorCheck(system->release());
}
示例#7
0
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 = system->getVersion(&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 = system->getNumDrivers(&numdrivers);
    ERRCHECK(result);

    if (numdrivers == 0)
    {
        result = system->setOutput(FMOD_OUTPUTTYPE_NOSOUND);
        ERRCHECK(result);
    }
    else
    {
        result = system->getDriverCaps(0, &caps, 0, &speakermode);
        ERRCHECK(result);

        result = system->setSpeakerMode(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 = system->setDSPBufferSize(1024, 10);
            ERRCHECK(result);
        }
#ifdef LOWLATENCY
        else
        {
            result = system->setDSPBufferSize(256, 4);
        }
#endif
        result = system->getDriverInfo(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 = system->setSoftwareFormat(48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0,0, FMOD_DSP_RESAMPLER_LINEAR);
            ERRCHECK(result);
        }
    }

    result = system->init(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 = system->setSpeakerMode(FMOD_SPEAKERMODE_STEREO);
        ERRCHECK(result);
            
        result = system->init(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 = system->createSound(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 2004-2014.\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 = system->recordStart(0, sound, true);
    ERRCHECK(result);

    result = sound->getLength(&soundlength, FMOD_TIMEUNIT_PCM);
    ERRCHECK(result);

    /*
        Create a DSP effect to play with.
    */
    result = system->createDSPByType(FMOD_DSP_TYPE_FLANGE, &dsp);
    ERRCHECK(result);
    result = dsp->setParameter(FMOD_DSP_FLANGE_RATE, 4.0f);
    ERRCHECK(result);
    result = dsp->setBypass(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')
        {
            bool bypass;
            dsp->getBypass(&bypass);
            dsp->setBypass(!bypass);
            if (bypass)
            {
                FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_CONCERTHALL;
                system->setReverbProperties(&prop);
            }
            else
            {
                FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_OFF;
                system->setReverbProperties(&prop);
            }
            printf("\n\n *** TURN DSP EFFECT %s ** \n\n", bypass ? "ON" : "OFF");
        }
        
        system->getRecordPosition(0, &recordpos);
        ERRCHECK(result);

        recorddelta = recordpos >= lastrecordpos ? recordpos - lastrecordpos : recordpos + soundlength - lastrecordpos;
        samplesrecorded += recorddelta;

		if (samplesrecorded >= adjustedlatency && !channel)
		{
		    result = system->playSound(FMOD_CHANNEL_FREE, sound, 0, &channel);
            ERRCHECK(result);
            
            result = channel->addDSP(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;
                }
            }

            channel->getPosition(&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 */
            {
                channel->setFrequency(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 */
            {
                channel->setFrequency(RECORDRATE + (RECORDRATE / 50)); /* Increase speed by 2% */
                adjusting = 2;
            }
            else
            {
                channel->setFrequency(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;
        
        system->update();

        Sleep(10);

    } while (key != 27);

    printf("\n");

    /*
        Shut down
    */
    result = sound->release();
    ERRCHECK(result);

    result = system->release();
    ERRCHECK(result);

    return 0;
}