本文整理汇总了C++中HeapBlock::clear方法的典型用法代码示例。如果您正苦于以下问题：C++ HeapBlock::clear方法的具体用法？C++ HeapBlock::clear怎么用？C++ HeapBlock::clear使用的例子？那么, 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类HeapBlock的用法示例。
在下文中一共展示了HeapBlock::clear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: addAudioTrack
bool AudioCDBurner::addAudioTrack (AudioSource* audioSource, int numSamples)
{
if (audioSource == 0)
return false;
ScopedPointer<AudioSource> source (audioSource);
long bytesPerBlock;
HRESULT hr = pimpl->redbook->GetAudioBlockSize (&bytesPerBlock);
const int samplesPerBlock = bytesPerBlock / 4;
bool ok = true;
hr = pimpl->redbook->CreateAudioTrack ((long) numSamples / (bytesPerBlock * 4));
HeapBlock <byte> buffer (bytesPerBlock);
AudioSampleBuffer sourceBuffer (2, samplesPerBlock);
int samplesDone = 0;
source->prepareToPlay (samplesPerBlock, 44100.0);
while (ok)
{
{
AudioSourceChannelInfo info;
info.buffer = &sourceBuffer;
info.numSamples = samplesPerBlock;
info.startSample = 0;
sourceBuffer.clear();
source->getNextAudioBlock (info);
}
buffer.clear (bytesPerBlock);
typedef AudioData::Pointer <AudioData::Int16, AudioData::LittleEndian,
AudioData::Interleaved, AudioData::NonConst> CDSampleFormat;
typedef AudioData::Pointer <AudioData::Float32, AudioData::NativeEndian,
AudioData::NonInterleaved, AudioData::Const> SourceSampleFormat;
CDSampleFormat left (buffer, 2);
left.convertSamples (SourceSampleFormat (sourceBuffer.getSampleData (0)), samplesPerBlock);
CDSampleFormat right (buffer + 2, 2);
right.convertSamples (SourceSampleFormat (sourceBuffer.getSampleData (1)), samplesPerBlock);
hr = pimpl->redbook->AddAudioTrackBlocks (buffer, bytesPerBlock);
if (FAILED (hr))
ok = false;
samplesDone += samplesPerBlock;
if (samplesDone >= numSamples)
break;
}
hr = pimpl->redbook->CloseAudioTrack();
return ok && hr == S_OK;
}