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C++ DSP::setParameterData方法代码示例

本文整理汇总了C++中fmod::DSP::setParameterData方法的典型用法代码示例。如果您正苦于以下问题:C++ DSP::setParameterData方法的具体用法?C++ DSP::setParameterData怎么用?C++ DSP::setParameterData使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在fmod::DSP的用法示例。


在下文中一共展示了DSP::setParameterData方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: FMOD_Main

int FMOD_Main()
{
    void *extradriverdata = 0;    
    Common_Init(&extradriverdata);

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

    unsigned int version;
    result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
        Common_Fatal("FMOD lib version %08x doesn't match header version %08x", version, FMOD_VERSION);
    }
    
    result = system->init(32, FMOD_INIT_NORMAL, extradriverdata);
    ERRCHECK(result);
        

    /*
        Create a new channel group to hold the convolution DSP unit
    */
    FMOD::ChannelGroup* reverbGroup;
    result = system->createChannelGroup("reverb", &reverbGroup);
    ERRCHECK(result);

    
    /*
        Create a new channel group to hold all the channels and process the dry path
    */
    FMOD::ChannelGroup* mainGroup;
    result = system->createChannelGroup("main", &mainGroup);
    ERRCHECK(result);

    /*
        Create the convultion DSP unit and set it as the tail of the channel group
    */
    FMOD::DSP* reverbUnit;    
    result = system->createDSPByType(FMOD_DSP_TYPE_CONVOLUTIONREVERB, &reverbUnit);
    ERRCHECK(result);
    result = reverbGroup->addDSP(FMOD_CHANNELCONTROL_DSP_TAIL, reverbUnit);
    ERRCHECK(result);

    /*
        Open the impulse response wav file, but use FMOD_OPENONLY as we want
        to read the data into a seperate buffer
    */
    FMOD::Sound* irSound;
    result = system->createSound(Common_MediaPath("standrews.wav"), FMOD_DEFAULT | FMOD_OPENONLY, NULL, &irSound);
    ERRCHECK(result);

    /*
        Retrieve the sound information for the Impulse Response input file
    */
    FMOD_SOUND_FORMAT irSoundFormat;
    FMOD_SOUND_TYPE irSoundType;
    int irSoundBits, irSoundChannels;
    result = irSound->getFormat(&irSoundType, &irSoundFormat, &irSoundChannels, &irSoundBits);
    ERRCHECK(result);
    unsigned int irSoundLength;
    result = irSound->getLength(&irSoundLength, FMOD_TIMEUNIT_PCM);
    ERRCHECK(result);

    
    if (irSoundFormat != FMOD_SOUND_FORMAT_PCM16)
    {
        /*
            For simplicity of the example, if the impulse response is the wrong format just display an error
        */        
        Common_Fatal("Impulse Response file is the wrong audio format");
    }

    /*
        The reverb unit expects a block of data containing a single 16 bit int containing
        the number of channels in the impulse response, followed by PCM 16 data
    */
    unsigned int irDataLength = sizeof(short) * (irSoundLength * irSoundChannels + 1);
    short* irData = (short*)malloc(irDataLength);
    irData[0] = irSoundChannels;
    unsigned int irDataRead;
    result = irSound->readData(&irData[1], irDataLength - sizeof(short), &irDataRead);
    ERRCHECK(result);
    result = reverbUnit->setParameterData(FMOD_DSP_CONVOLUTION_REVERB_PARAM_IR, irData, irDataLength);
    ERRCHECK(result);

    /*
        Don't pass any dry signal from the reverb unit, instead take the dry part
        of the mix from the main signal path
    */
    result = reverbUnit->setParameterFloat(FMOD_DSP_CONVOLUTION_REVERB_PARAM_DRY, -80.0f);    
    ERRCHECK(result);

    /*
//.........这里部分代码省略.........
开发者ID:Athlos,项目名称:Circuit-Collector,代码行数:101,代码来源:convolution_reverb.cpp


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