void BufferRecorderNode::writeToFile( const fs::path &filePath, SampleType sampleType )
{
size_t currentWritePos = mWritePos;
BufferRef copiedBuffer = getRecordedCopy();
audio::TargetFileRef target = audio::TargetFile::create( filePath, getSampleRate(), getNumChannels(), sampleType );
target->write( copiedBuffer.get(), currentWritePos );
}
BufferRef SourceFile::loadBuffer()
{
seek( 0 );
BufferRef result = make_shared<Buffer>( mNumFrames, getNumChannels() );
if( mConverter ) {
// TODO: need BufferView's in order to reduce number of copies
Buffer converterDestBuffer( mConverter->getDestMaxFramesPerBlock(), getNumChannels() );
size_t readCount = 0;
while( true ) {
size_t framesNeeded = min( getMaxFramesPerRead(), mFileNumFrames - readCount );
if( framesNeeded == 0 )
break;
// make sourceBuffer num frames match outNumFrames so that Converter doesn't think it has more
if( framesNeeded != mConverterReadBuffer.getNumFrames() )
mConverterReadBuffer.setNumFrames( framesNeeded );
size_t outNumFrames = performRead( &mConverterReadBuffer, 0, framesNeeded );
CI_ASSERT( outNumFrames == framesNeeded );
pair<size_t, size_t> count = mConverter->convert( &mConverterReadBuffer, &converterDestBuffer );
result->copyOffset( converterDestBuffer, count.second, mReadPos, 0 );
readCount += outNumFrames;
mReadPos += count.second;
}
}
else {
size_t readCount = performRead( result.get(), 0, mNumFrames );
mReadPos = readCount;
}
return result;
}