void LoopPointsUGenInternal::checkMetaDataCuePoints(const float currentPosition,
const float previousPosition,
const int numCuePoints,
const bool forwards) throw()
{
CuePointArray& cuePoints = metaData.getCuePoints();
CuePoint* cuePointArray = cuePoints.getArray();
if(forwards)
{
for(int i = 0; i < numCuePoints; i++)
{
float cuePosition = cuePointArray[i].getSampleOffset();
if((previousPosition < cuePosition) && (currentPosition >= cuePosition))
{
sendMetaData(b, metaData, MetaData::CuePointInfo, -1, i);
}
}
}
else
{
for(int i = 0; i < numCuePoints; i++)
{
float cuePosition = cuePointArray[i].getSampleOffset();
if((previousPosition > cuePosition) && (currentPosition <= cuePosition))
{
sendMetaData(b, metaData, MetaData::CuePointInfo, -1, i);
}
}
}
}
void PlayBufUGenInternal::checkMetaDataCuePoints(const double currentPosition,
const double previousPosition,
const int channel,
const int numCuePoints,
const bool forwards) throw()
{
CuePointArray& cuePoints = metaData.getCuePoints();
CuePoint* cuePointArray = cuePoints.getArray();
if(forwards)
{
for(int i = 0; i < numCuePoints; i++)
{
double cuePosition = cuePointArray[i].getSampleOffset();
if((previousPosition < cuePosition) && (currentPosition >= cuePosition))
{
sendMetaData(buffer_, metaData, MetaData::CuePointInfo, channel, i);
}
}
}
else
{
for(int i = 0; i < numCuePoints; i++)
{
double cuePosition = cuePointArray[i].getSampleOffset();
if((previousPosition > cuePosition) && (currentPosition <= cuePosition))
{
sendMetaData(buffer_, metaData, MetaData::CuePointInfo, channel, i);
}
}
}
}
void DuktoProtocol::sendScreen(QString ipDest, qint16 port, QString path)
{
// Check for default port
if (port == 0) port = DEFAULT_TCP_PORT;
// Verifica altre attività in corso
if (mIsReceiving || mIsSending) return;
mIsSending = true;
// File da inviare
QStringList files;
files.append(path);
mFilesToSend = expandTree(files);
mFileCounter = 0;
mSendingScreen = true;
// Connessione al destinatario
mCurrentSocket = new QTcpSocket(this);
// Gestione segnali
connect(mCurrentSocket, SIGNAL(connected()), this, SLOT(sendMetaData()), Qt::DirectConnection);
connect(mCurrentSocket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(sendConnectError(QAbstractSocket::SocketError)), Qt::DirectConnection);
connect(mCurrentSocket, SIGNAL(bytesWritten(qint64)), this, SLOT(sendData(qint64)), Qt::DirectConnection);
// Connessione
mCurrentSocket->connectToHost(ipDest, port);
}
//send a file to the server
int sendFile(SSL *ssl, char *filePath) {
char buffer[LENGTH];
FILE *fs = fopen(filePath, "r");
if(fs == NULL)
{
fprintf(stderr,"ERROR: File: %s not found.\n", filePath);
return EXIT_FAILURE;
}
//send the preliminary metadata to the server
char *fileName;
int fileSize = sendMetaData(filePath, ssl, &fileName);
if(fileName == '\0') {
fprintf(stderr,"Failed to send file metadata\n");
return EXIT_FAILURE;
}
fprintf(stderr,"[Client] Sending %s to the Server...\n", fileName);
memset(buffer, '\0', LENGTH);
int fs_block_sz;
int bytesSent = 0;
int totalSent = 0;
int n = 5;
//generate loading bar
char loading[22];
memset(loading, ' ', sizeof(loading));
loading[0] = '[',loading[21] = ']';
//while there are still bytes to be read from the file send them to the server
while((fs_block_sz = fread(buffer, sizeof(char), LENGTH, fs)) > 0)
{
bytesSent = SSL_write(ssl, buffer, fs_block_sz);
if(bytesSent <= 0)
{
fprintf(stderr, "[Client] ERROR: Failed to send file %s. (errno = %d)\n", fileName, errno);
return EXIT_FAILURE;
}
totalSent = totalSent + bytesSent;
//calculate percentage and print loading bar progress
float percent = ((float)totalSent/(float)fileSize)*100;
if((int)round(percent) == n) {
loading[n/5] = '*';
n = n+5;
fprintf(stderr,"%s\r",loading);
memset(buffer, '\0', LENGTH);
}
}
fprintf(stderr,"[Client] File %s was sent to the server\n", fileName);
return EXIT_SUCCESS;
}
void DuktoProtocol::sendFile(QString ipDest, QStringList files)
{
// Verifica altre attività in corso
if (mIsReceiving || mIsSending) return;
mIsSending = true;
// File da inviare
mFilesToSend = expandTree(files);
mFileCounter = 0;
// Connessione al destinatario
mCurrentSocket = new QTcpSocket(this);
connect(mCurrentSocket, SIGNAL(connected()), this, SLOT(sendMetaData()), Qt::DirectConnection);
connect(mCurrentSocket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(sendConnectError(QAbstractSocket::SocketError)), Qt::DirectConnection);
connect(mCurrentSocket, SIGNAL(bytesWritten(qint64)), this, SLOT(sendData(qint64)), Qt::DirectConnection);
mCurrentSocket->connectToHost(ipDest, TCP_PORT);
}
void DuktoProtocol::sendText(QString ipDest, qint16 port, QString text)
{
// Check for default port
if (port == 0) port = DEFAULT_TCP_PORT;
// Verifica altre attività in corso
if (mIsReceiving || mIsSending) return;
mIsSending = true;
// Testo da inviare
mFilesToSend.clear();
mFilesToSend.append("___DUKTO___TEXT___");
mFileCounter = 0;
mTextToSend = text;
// Connessione al destinatario
mCurrentSocket = new QTcpSocket(this);
connect(mCurrentSocket, SIGNAL(connected()), this, SLOT(sendMetaData()), Qt::DirectConnection);
connect(mCurrentSocket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(sendConnectError(QAbstractSocket::SocketError)), Qt::DirectConnection);
connect(mCurrentSocket, SIGNAL(bytesWritten(qint64)), this, SLOT(sendData(qint64)), Qt::DirectConnection);
mCurrentSocket->connectToHost(ipDest, port);
}
void PlayBufUGenInternal::processBlock(bool& shouldDelete, const unsigned int blockID, const int /*channel*/) throw()
{
const int numCuesPoints = metaData.getNumCuePoints();
const int blockSize = uGenOutput.getBlockSize();
const int bufferSize = buffer_.size();
const double lastBufferPosition = bufferSize-1;
double channelBufferPos = 0.0;
for(int channel = 0; channel < getNumChannels(); channel++)
{
int numSamplesToProcess = blockSize;
channelBufferPos = bufferPos;
float* outputSamples = proxies[channel]->getSampleData();
float* rateSamples = inputs[Rate].processBlock(shouldDelete, blockID, 0);
float* trigSamples = inputs[Trig].processBlock(shouldDelete, blockID, 0);
float* offsetSamples = inputs[Offset].processBlock(shouldDelete, blockID, 0);
float* loopSamples = inputs[Loop].processBlock(shouldDelete, blockID, 0);
double prevPos = prevPosArray[channel];
while(numSamplesToProcess)
{
float thisTrig = *trigSamples++;
if(thisTrig > 0.f && lastTrig <= 0.f)
channelBufferPos = 0.0;
double offset = *offsetSamples++;
double position = offset + channelBufferPos;
if(*loopSamples++ >= 0.5f)
{
if(position >= bufferSize)
{
position -= bufferSize;
}
else if(position < 0)
{
position += bufferSize;
}
*outputSamples++ = buffer_.getSample(channel, position);
channelBufferPos += *rateSamples++;
if(channelBufferPos >= bufferSize)
{
sendMetaData(buffer_, metaData, MetaData::ReachedEnd, channel);
channelBufferPos -= bufferSize;
sendMetaData(buffer_, metaData, MetaData::ReachedStart, channel);
if(numCuesPoints > 0) checkMetaDataCuePoints(channelBufferPos, -1.0, channel, numCuesPoints, true);
prevPos = channelBufferPos;
}
else if(channelBufferPos < 0)
{
sendMetaData(buffer_, metaData, MetaData::ReachedEnd, channel);
channelBufferPos += bufferSize;
sendMetaData(buffer_, metaData, MetaData::ReachedStart, channel);
if(numCuesPoints > 0) checkMetaDataCuePoints(channelBufferPos, bufferSize, channel, numCuesPoints, false);
prevPos = channelBufferPos;
}
else if(numCuesPoints > 0)
{
checkMetaDataCuePoints(channelBufferPos, prevPos, channel, numCuesPoints, prevPos <= channelBufferPos);
prevPos = channelBufferPos;
}
}
else
{
if(numCuesPoints > 0) checkMetaDataCuePoints(channelBufferPos, prevPos, channel, numCuesPoints, prevPos <= channelBufferPos);
prevPos = channelBufferPos;
if((position <= 0.0) || (position > lastBufferPosition))
{
*outputSamples++ = 0.0;
}
else
{
*outputSamples++ = buffer_.getSampleUnchecked(channel, position);
}
channelBufferPos += *rateSamples++;
}
--numSamplesToProcess;
lastTrig = thisTrig;
}
prevPosArray[channel] = prevPos;
}
bufferPos = channelBufferPos;
if(bufferPos >= buffer_.size())
{
shouldDelete = shouldDelete ? true : shouldDeleteValue;
setIsDone();
sendMetaData(buffer_, metaData, MetaData::ReachedEnd);
}
else if(bufferPos < 0)
{
shouldDelete = shouldDelete ? true : shouldDeleteValue;
setIsDone();
sendMetaData(buffer_, metaData, MetaData::ReachedStart);
}
}
