//==============================================================================
void startRecording (const File& file)
{
stop();
if (sampleRate > 0)
{
// Create an OutputStream to write to our destination file...
file.deleteFile();
ScopedPointer<FileOutputStream> fileStream (file.createOutputStream());
if (fileStream != 0)
{
// Now create a WAV writer object that writes to our output stream...
WavAudioFormat wavFormat;
AudioFormatWriter* writer = wavFormat.createWriterFor (fileStream, sampleRate, 1, 16, StringPairArray(), 0);
if (writer != 0)
{
fileStream.release(); // (passes responsibility for deleting the stream to the writer object that is now using it)
// Now we'll create one of these helper objects which will act as a FIFO buffer, and will
// write the data to disk on our background thread.
threadedWriter = new AudioFormatWriter::ThreadedWriter (writer, backgroundThread, 32768);
// And now, swap over our active writer pointer so that the audio callback will start using it..
const ScopedLock sl (writerLock);
activeWriter = threadedWriter;
}
}
}
}
void AudioRecorder::startRecording(const File& file){
stop();
if (sampleRate > 0) {
file.deleteFile();
ScopedPointer<FileOutputStream> fileStream(file.createOutputStream());
if (fileStream != nullptr) {
WavAudioFormat wavFormat;
AudioFormatWriter* writer = wavFormat.createWriterFor(fileStream,
sampleRate, 1, 16, StringPairArray(), 0);
if (writer != nullptr) {
fileStream.release();
threadedWriter = new AudioFormatWriter::ThreadedWriter(writer,
backgroundThread, 32768);
// thumbnail.reset(writer->getNumChannels(), writer->getSampleRate());
nextSampleNum = 0;
const ScopedLock sl(writerLock);
activeWriter = threadedWriter;
}
}
}
}
void MainContentComponent::buttonClicked (Button* buttonThatWasClicked)
{
//[UserbuttonClicked_Pre]
//[/UserbuttonClicked_Pre]
if (buttonThatWasClicked == convButton)
{
//[UserButtonCode_convButton] -- add your button handler code here..
const ScopedLock fl(soundListLock);
setPlayheadUiEnabled(false);
bool convValid = true;
float q;
float s;
double nfft;
{
const ScopedLock pl(paramLock);
q = qParam;
s = sParam;
nfft = static_cast<double>(nfftParam);
}
int fftInputLen = static_cast<int>(std::pow(2.0, nfft));
int fftOutputLen = fftInputLen / 2 + 1;
int numChannels = 1;
unordered_set<int> includedSounds;
int maxChannels = 0;
float pSum = 0.0f;
float rSum = 0.0f;
for (const auto& iter : idToSound) {
int id = iter.first;
Sound* sound = iter.second.get();
int numChannels = sound->getBufferNumChannels();
if (sound->isIncluded() && numChannels > 0) {
maxChannels = numChannels > maxChannels ? numChannels : maxChannels;
includedSounds.emplace(id);
pSum += static_cast<float>(sound->getPValue());
rSum += static_cast<float>(sound->getRValue());
}
}
float n = static_cast<float>(includedSounds.size());
float pScale = n * q / pSum;
float rScale = n * s / rSum;
if (maxChannels == 0) {
return;
}
kiss_fftr_state* fftInverseState = kiss_fftr_alloc(fftInputLen, 1, nullptr, nullptr);
kiss_fft_cpx* CONV = static_cast<kiss_fft_cpx*>(calloc(fftOutputLen * maxChannels, sizeof(kiss_fft_cpx)));
conv.setSize(maxChannels, fftInputLen);
float max = -1.0f;
// convolve
for (int convChannel = 0; convChannel < maxChannels; ++convChannel) {
kiss_fft_cpx* CONVCHANNEL = CONV + (convChannel * fftOutputLen);
bool isFirstSound = true;
for (const auto& id : includedSounds) {
Sound* sound = idToSound[id].get();
jassert(sound != nullptr);
float p = pScale * static_cast<float>(sound->getPValue());
float r = rScale * static_cast<float>(sound->getRValue());
int soundNumChannels = sound->getBufferNumChannels();
int soundNumSamples = sound->getBufferNumSamples();
int soundChannel = convChannel >= soundNumChannels ? soundNumChannels - 1 : convChannel;
const kiss_fft_cpx* SOUNDCHANNEL = sound->getSpectra(fftInputLen, soundChannel);
for (int i = 0; i < fftOutputLen; ++i) {
float xr = SOUNDCHANNEL[i].r;
float xi = SOUNDCHANNEL[i].i;
float xMag = sqrtf((xr * xr) + (xi * xi));
float xPhs = atan2f(xi, xr);
float convMag = powf(xMag, p);
float convPhs = r * xPhs;
float convr = convMag * cosf(convPhs);
float convi = convMag * sinf(convPhs);
if (std::isnan(convr) || std::isnan(convi)) {
convValid = false;
}
if (isFirstSound) {
CONVCHANNEL[i].r = convr;
CONVCHANNEL[i].i = convi;
}
else {
float a = CONVCHANNEL[i].r;
float b = CONVCHANNEL[i].i;
float c = convr;
float d = convi;
CONVCHANNEL[i].r = a * c - b * d;
CONVCHANNEL[i].i = a * d + b * c;
}
}
isFirstSound = false;
}
// ifft
kiss_fftri(fftInverseState, CONVCHANNEL, conv.getWritePointer(convChannel));
// check max
float channelMax = conv.findMinMax(convChannel, 0, fftInputLen).getEnd();
max = channelMax > max ? channelMax : max;
}
delete fftInverseState;
delete CONV;
// normalize
conv.applyGain(1.0f / max);
if (!convValid) {
AlertWindow::showMessageBoxAsync(AlertWindow::WarningIcon, "Error", "Parameters produced NaN value.");
return;
}
setPlayheadAudio(&conv);
//[/UserButtonCode_convButton]
}
else if (buttonThatWasClicked == settingsButton)
{
//[UserButtonCode_settingsButton] -- add your button handler code here..
AudioDeviceSelectorComponent audioSettingsComp(deviceManager,
0, 256,
0, 256,
true, true, true, false);
audioSettingsComp.setSize(500, 450);
DialogWindow::LaunchOptions o;
o.content.setNonOwned(&audioSettingsComp);
o.dialogTitle = "Audio Settings";
o.componentToCentreAround = this;
o.dialogBackgroundColour = Colours::azure;
o.escapeKeyTriggersCloseButton = true;
o.useNativeTitleBar = false;
o.resizable = false;
o.runModal();
ScopedPointer<XmlElement> audioState(deviceManager.createStateXml());
getAppProperties().getUserSettings()->setValue("audioDeviceState", audioState);
getAppProperties().getUserSettings()->saveIfNeeded();
//[/UserButtonCode_settingsButton]
}
else if (buttonThatWasClicked == playButton)
{
//[UserButtonCode_playButton] -- add your button handler code here..
const ScopedLock pal(playheadAudioLock);
playheadState = PlayheadState::playing;
playheadAudioSamplesCompleted = 0;
//[/UserButtonCode_playButton]
}
else if (buttonThatWasClicked == loopButton)
{
//[UserButtonCode_loopButton] -- add your button handler code here..
const ScopedLock pal(playheadAudioLock);
playheadState = PlayheadState::looping;
//[/UserButtonCode_loopButton]
}
else if (buttonThatWasClicked == stopButton)
{
//[UserButtonCode_stopButton] -- add your button handler code here..
const ScopedLock pal(playheadAudioLock);
playheadState = PlayheadState::stopped;
playheadAudioSamplesCompleted = 0;
//[/UserButtonCode_stopButton]
}
else if (buttonThatWasClicked == qDefaultButton)
{
//[UserButtonCode_qDefaultButton] -- add your button handler code here..
qSlider->setValue(1.0);
//[/UserButtonCode_qDefaultButton]
}
else if (buttonThatWasClicked == sDefaultButton)
{
//[UserButtonCode_sDefaultButton] -- add your button handler code here..
sSlider->setValue(1.0);
//[/UserButtonCode_sDefaultButton]
}
else if (buttonThatWasClicked == saveButton)
{
//[UserButtonCode_saveButton] -- add your button handler code here..
const ScopedLock pal(playheadAudioLock);
if (playheadAudio.getNumChannels() > 0 && playheadAudio.getNumSamples() > 0) {
FileChooser fileChooser("Save as...", File::nonexistent, "*.wav", true);
if (fileChooser.browseForFileToSave(true)) {
File outputFile = fileChooser.getResult();
outputFile.deleteFile();
WavAudioFormat wavFormat;
ScopedPointer<FileOutputStream> outputFileStream = outputFile.createOutputStream();
ScopedPointer<AudioFormatWriter> writer = wavFormat.createWriterFor(outputFileStream, 44100.0, playheadAudio.getNumChannels(), 16, StringPairArray(), 0);
writer->writeFromAudioSampleBuffer(playheadAudio, 0, playheadAudio.getNumSamples());
outputFileStream.release();
}
}
//[/UserButtonCode_saveButton]
}
else if (buttonThatWasClicked == inputRemoveButton)
{
//[UserButtonCode_inputRemoveButton] -- add your button handler code here..
const ScopedLock fl(soundListLock);
SparseSet<int> selectedRows = inputFileListComponent->getSelectedRows();
for (int i = 0; i < selectedRows.size(); ++i) {
int row = selectedRows[i];
int id = inputFileListComponent->getIdForRow(row);
const auto& iter = idToSound.find(id);
jassert(iter != idToSound.end());
idToSound.erase(iter);
}
if (selectedRows.size() > 0) {
inputFilesChanged(dontSendNotification);
}
//[/UserButtonCode_inputRemoveButton]
}
else if (buttonThatWasClicked == inputAddButton)
{
//[UserButtonCode_inputAddButton] -- add your button handler code here..
const ScopedLock fl(soundListLock);
FileChooser fileChooser("Add sound...", File::nonexistent, "*.wav;*.aif;*.aiff;*.ogg", true);
if (fileChooser.browseForMultipleFilesToOpen()) {
Array<File> files = fileChooser.getResults();
StringArray filePaths;
for (int i = 0; i < files.size(); ++i) {
filePaths.add(files[i].getFullPathName());
}
filesDropped(filePaths, -1, -1);
}
//[/UserButtonCode_inputAddButton]
}
//[UserbuttonClicked_Post]
//[/UserbuttonClicked_Post]
}
/*
Start recording to a specified file
*/
void Audio::AudioRecorder::startRecording (const File& file)
{
// make sure recorder is stopped first
stop();
if (sampleRate > 0)
{
// delete file contents first
file.deleteFile();
// create file stream for file
ScopedPointer<FileOutputStream> fileStream (file.createOutputStream());
if (fileStream != nullptr)
{
// create a wav format writer
WavAudioFormat wavFormat;
AudioFormatWriter* writer = wavFormat.createWriterFor (fileStream, sampleRate, 1, 16, StringPairArray(), 0);
if (writer != nullptr)
{
fileStream.release();
// create a thread for the writer.
threadedWriter = new AudioFormatWriter::ThreadedWriter (writer, backgroundThread, 32768);
// set the next sample number to start
nextSampleNum = 0;
// scoped lock for writer
const ScopedLock sl (writerLock);
activeWriter = threadedWriter;
}
}
}
}
void testNodeStore (String type,
bool const useEphemeralDatabase,
bool const testPersistence,
int64 const seedValue,
int numObjectsToTest = 2000)
{
DummyScheduler scheduler;
String s;
s << String ("NodeStore backend '") + type + "'";
if (useEphemeralDatabase)
s << " (with ephemeral database)";
beginTestCase (s);
File const node_db (File::createTempFile ("node_db"));
StringPairArray nodeParams;
nodeParams.set ("type", type);
nodeParams.set ("path", node_db.getFullPathName ());
File const temp_db (File::createTempFile ("temp_db"));
StringPairArray tempParams;
if (useEphemeralDatabase)
{
tempParams.set ("type", type);
tempParams.set ("path", temp_db.getFullPathName ());
}
// Create a batch
Batch batch;
createPredictableBatch (batch, 0, numObjectsToTest, seedValue);
{
// Open the database
ScopedPointer <Database> db (Database::New ("test", scheduler, nodeParams, tempParams));
// Write the batch
storeBatch (*db, batch);
{
// Read it back in
Batch copy;
fetchCopyOfBatch (*db, ©, batch);
expect (areBatchesEqual (batch, copy), "Should be equal");
}
{
// Reorder and read the copy again
Batch copy;
UnitTestUtilities::repeatableShuffle (batch.size (), batch, seedValue);
fetchCopyOfBatch (*db, ©, batch);
expect (areBatchesEqual (batch, copy), "Should be equal");
}
}
if (testPersistence)
{
{
// Re-open the database without the ephemeral DB
ScopedPointer <Database> db (Database::New ("test", scheduler, nodeParams));
// Read it back in
Batch copy;
fetchCopyOfBatch (*db, ©, batch);
// Canonicalize the source and destination batches
std::sort (batch.begin (), batch.end (), NodeObject::LessThan ());
std::sort (copy.begin (), copy.end (), NodeObject::LessThan ());
expect (areBatchesEqual (batch, copy), "Should be equal");
}
if (useEphemeralDatabase)
{
// Verify the ephemeral db
ScopedPointer <Database> db (Database::New ("test",
scheduler, tempParams, StringPairArray ()));
// Read it back in
Batch copy;
fetchCopyOfBatch (*db, ©, batch);
// Canonicalize the source and destination batches
std::sort (batch.begin (), batch.end (), NodeObject::LessThan ());
std::sort (copy.begin (), copy.end (), NodeObject::LessThan ());
expect (areBatchesEqual (batch, copy), "Should be equal");
}
}
}
