void Engine::startRecording()
{
if (m_audioInput) {
if (QAudio::AudioInput == m_mode &&
QAudio::SuspendedState == m_state) {
m_audioInput->resume();
} else {
m_spectrumAnalyser.cancelCalculation();
spectrumChanged(0, 0, FrequencySpectrum());
m_buffer.fill(0);
setRecordPosition(0, true);
stopPlayback();
m_mode = QAudio::AudioInput;
CHECKED_CONNECT(m_audioInput, SIGNAL(stateChanged(QAudio::State)),
this, SLOT(audioStateChanged(QAudio::State)));
CHECKED_CONNECT(m_audioInput, SIGNAL(notify()),
this, SLOT(audioNotify()));
m_count = 0;
m_dataLength = 0;
emit dataLengthChanged(0);
m_audioInputIODevice = m_audioInput->start();
CHECKED_CONNECT(m_audioInputIODevice, SIGNAL(readyRead()),
this, SLOT(audioDataReady()));
}
}
}
void DataPool::readyRead()
{
QTcpSocket *socket;
socket = qobject_cast<QTcpSocket *>(sender());
if(socket == NULL)
return;
if(!accountMap.contains(socket))
return;
Connection &conn = accountMap[socket];
if(conn.tcpSocket != socket)
{
qWarning() << "DataPool::readyRead() tcpSocket not the same";
return;
}
while(socket->state() == QAbstractSocket::ConnectedState)
{
switch(conn.state)
{
case Connection::state_recv_len:
if(conn.tcpSocket->bytesAvailable() < sizeof(quint32))
return;
do
{
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_6);
in >> conn.len;
}while(0);
conn.state = Connection::state_recv_data;
break;
case Connection::state_recv_data:
if(conn.tcpSocket->bytesAvailable() < conn.len)
return;
conn.state = Connection::state_loop;
if(conn.connectionType == Connection::unknown_connection)
{
quint8 cmd;
QString fileName;
quint64 fileSize;
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_6);
in >> cmd;
switch(cmd)
{
case 0x08:
conn.connectionType = Connection::message_connection;
in >> conn.peerUID;
break;
case 0x0A:
in >> conn.peerUID >> fileName >> fileSize;
conn.connectionType = Connection::file_connection;
conn.state = Connection::state_wait;
emit fileRequest(conn.peerUID, fileName, fileSize);
return;
case 0x0D:
in >> conn.peerUID;
conn.connectionType = Connection::audio_connection;
conn.state = Connection::state_wait;
emit audioRequest(conn.peerUID);
return;
default:
qDebug() << "#1:" << cmd;
conn.state = Connection::state_close;
conn.tcpSocket->close();
return;
}
}
else
{
bool accepted;
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_6);
in >> accepted;
if(conn.connectionType == Connection::file_connection)
emit fileRequestResult(conn.peerUID, accepted);
else if(conn.connectionType == Connection::audio_connection)
emit audioRequestResult(conn.peerUID, accepted);
}
break;
case Connection::state_wait:
qDebug() << "#2";
conn.state = Connection::state_close;
conn.tcpSocket->close();
return;
case Connection::state_loop:
if(conn.tcpSocket->bytesAvailable() < sizeof(quint32))
return;
do
{
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_6);
in >> conn.len;
}while(0);
conn.state = Connection::state_loop_data;
break;
case Connection::state_loop_data:
if(conn.tcpSocket->bytesAvailable() < conn.len)
return;
do
{
quint8 cmd;
QString msg;
QByteArray data;
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_6);
in >> cmd;
conn.state = Connection::state_loop;
switch(conn.connectionType)
{
case Connection::message_connection:
in >> msg;
emit newMessage(conn.peerUID, msg);
break;
case Connection::file_connection:
if(cmd == 0x0B)
{
in >> data;
emit fileDataReady(conn.peerUID, data);
}
else if(cmd == 0x0C)
{
conn.state = Connection::state_done;
conn.tcpSocket->close();
emit fileReceived(conn.peerUID);
return;
}
break;
case Connection::audio_connection:
in >> data;
emit audioDataReady(conn.peerUID, data);
break;
default:
return;
}