void OriginalRecording::writeContinuousBuffer(const float* data, int nSamples, int channel)
{
// check to see if the file exists
if (fileArray[channel] == nullptr)
return;
// scale the data back into the range of int16
float scaleFactor = float(0x7fff) * getChannel(channel)->bitVolts;
for (int n = 0; n < nSamples; n++)
{
*(continuousDataFloatBuffer+n) = *(data+n) / scaleFactor;
}
AudioDataConverters::convertFloatToInt16BE(continuousDataFloatBuffer, continuousDataIntegerBuffer, nSamples);
if (blockIndex == 0)
{
writeTimestampAndSampleCount(fileArray[channel]);
}
diskWriteLock.enter();
size_t count = fwrite(continuousDataIntegerBuffer, // ptr
2, // size of each element
nSamples, // count
fileArray[channel]); // ptr to FILE object
jassert(count == nSamples); // make sure all the data was written
diskWriteLock.exit();
if (blockIndex + nSamples == BLOCK_LENGTH)
{
writeRecordMarker(fileArray[channel]);
}
}
void RecordNode::setParameter(int parameterIndex, float newValue)
{
//editor->updateParameterButtons(parameterIndex);
// 0 = stop recording
// 1 = start recording
// 2 = toggle individual channel (0.0f = OFF, anything else = ON)
if (parameterIndex == 1)
{
isRecording = true;
// std::cout << "START RECORDING." << std::endl;
if (newDirectoryNeeded)
{
createNewDirectory();
recordingNumber = 0;
}
else
{
recordingNumber++; // increment recording number within this directory
}
if (!rootFolder.exists())
{
rootFolder.createDirectory();
String settingsFileName = rootFolder.getFullPathName() + File::separator + "settings.xml";
getEditorViewport()->saveState(File(settingsFileName));
}
createNewFiles();
openFile(eventChannel);
blockIndex = 0; // reset index
// create / open necessary files
for (int i = 0; i < channelPointers.size(); i++)
{
// std::cout << "Checking channel " << i << std::endl;
if (channelPointers[i]->getRecordState())
{
openFile(channelPointers[i]);
}
}
allFilesOpened = true;
}
else if (parameterIndex == 0)
{
// std::cout << "STOP RECORDING." << std::endl;
if (isRecording)
{
// close necessary files
signalFilesShouldClose = true;
}
isRecording = false;
}
else if (parameterIndex == 2)
{
if (isProcessing)
{
std::cout << "Toggling channel " << currentChannel << std::endl;
if (newValue == 0.0f)
{
channelPointers[currentChannel]->setRecordState(false);
if (isRecording)
{
if (blockIndex < BLOCK_LENGTH)
{
// fill out the rest of the current buffer
writeContinuousBuffer(zeroBuffer.getReadPointer(0), BLOCK_LENGTH - blockIndex, currentChannel);
}
closeFile(channelPointers[currentChannel]);
}
}
else
{
channelPointers[currentChannel]->setRecordState(true);
if (isRecording)
{
openFile(channelPointers[currentChannel]);
if (blockIndex > 0)
{
writeTimestampAndSampleCount(channelPointers[currentChannel]->file);
// fill up the first data block up to sample count
writeContinuousBuffer(zeroBuffer.getReadPointer(0), blockIndex, currentChannel);
}
}
}
}
}
}
