// 音声入力を開始する
void KinectAudio::start()
{
memset( &outputBufferStruct_, 0, sizeof(outputBufferStruct_) );
outputBufferStruct_.pBuffer = &mediaBuffer_;
// Set DMO output format
DMO_MEDIA_TYPE mt = {0};
CHECKHR( ::MoInitMediaType( &mt, sizeof(WAVEFORMATEX) ) );
mt.majortype = MEDIATYPE_Audio;
mt.subtype = MEDIASUBTYPE_PCM;
mt.lSampleSize = 0;
mt.bFixedSizeSamples = TRUE;
mt.bTemporalCompression = FALSE;
mt.formattype = FORMAT_WaveFormatEx;
memcpy( mt.pbFormat, &getWaveFormat(), sizeof(WAVEFORMATEX) );
CHECKHR( mediaObject_->SetOutputType( 0, &mt, 0 ) );
::MoFreeMediaType( &mt );
// Allocate streaming resources. This step is optional. If it is not called here, it
// will be called when first time ProcessInput() is called. However, if you want to
// get the actual frame size being used, it should be called explicitly here.
CHECKHR( mediaObject_->AllocateStreamingResources() );
// allocate output buffer
mediaBuffer_.SetBufferLength( getWaveFormat().nSamplesPerSec * getWaveFormat().nBlockAlign );
}
VDAudioSourceWAV::VDAudioSourceWAV(VDInputFileWAV *parent)
: mpParent(parent)
, mBytesPerSample(parent->GetBytesPerSample())
{
mSampleFirst = 0;
mSampleLast = parent->GetDataLength() / mBytesPerSample;
const vdstructex<VDWaveFormat>& format = parent->GetFormat();
memcpy(allocFormat(format.size()), format.data(), format.size());
streamInfo.fccType = streamtypeAUDIO;
streamInfo.fccHandler = 0;
streamInfo.dwFlags = 0;
streamInfo.wPriority = 0;
streamInfo.wLanguage = 0;
streamInfo.dwInitialFrames = 0;
streamInfo.dwScale = mBytesPerSample;
streamInfo.dwRate = getWaveFormat()->mDataRate;
streamInfo.dwStart = 0;
streamInfo.dwLength = VDClampToUint32(mSampleLast);
streamInfo.dwSuggestedBufferSize = 0;
streamInfo.dwQuality = 0xffffffff;
streamInfo.dwSampleSize = mBytesPerSample;
}
