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/*
* Copyright (C) 2008-2011 The QXmpp developers
*
* Authors:
* Ian Reinhart Geiser
* Jeremy Lainé
*
* Source:
* http://code.google.com/p/qxmpp
*
* This file is a part of QXmpp library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*/
#include <QAudioInput>
#include <QAudioOutput>
#include <QDebug>
#include "QXmppCallManager.h"
#include "QXmppJingleIq.h"
#include "QXmppRtpChannel.h"
#include "QXmppUtils.h"
#include "xmppClient.h"
xmppClient::xmppClient(QObject *parent)
: QXmppClient(parent)
{
// add QXmppCallManager extension
callManager = new QXmppCallManager;
addExtension(callManager);
bool check = connect(this, SIGNAL(presenceReceived(QXmppPresence)),
this, SLOT(slotPresenceReceived(QXmppPresence)));
Q_ASSERT(check);
check = connect(callManager, SIGNAL(callReceived(QXmppCall*)),
this, SLOT(slotCallReceived(QXmppCall*)));
Q_ASSERT(check);
}
/// The audio mode of a call changed.
void xmppClient::slotAudioModeChanged(QIODevice::OpenMode mode)
{
QXmppCall *call = qobject_cast<QXmppCall*>(sender());
Q_ASSERT(call);
QXmppRtpAudioChannel *channel = call->audioChannel();
// prepare audio format
QAudioFormat format;
format.setFrequency(channel->payloadType().clockrate());
format.setChannels(channel->payloadType().channels());
format.setSampleSize(16);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
// the size in bytes of the audio buffers to/from sound devices
// 160 ms seems to be the minimum to work consistently on Linux/Mac/Windows
const int bufferSize = (format.frequency() * format.channels() * (format.sampleSize() / 8) * 160) / 1000;
if (mode & QIODevice::ReadOnly) {
// initialise audio output
QAudioOutput *audioOutput = new QAudioOutput(format, this);
audioOutput->setBufferSize(bufferSize);
audioOutput->start(channel);
}
if (mode & QIODevice::WriteOnly) {
// initialise audio input
QAudioInput *audioInput = new QAudioInput(format, this);
audioInput->setBufferSize(bufferSize);
audioInput->start(channel);
}
}
/// A call was received.
void xmppClient::slotCallReceived(QXmppCall *call)
{
qDebug() << "Got call from:" << call->jid();
bool check;
check = connect(call, SIGNAL(stateChanged(QXmppCall::State)),
this, SLOT(slotCallStateChanged(QXmppCall::State)));
Q_ASSERT(check);
check = connect(call, SIGNAL(audioModeChanged(QIODevice::OpenMode)),
this, SLOT(slotAudioModeChanged(QIODevice::OpenMode)));
Q_ASSERT(check);
// accept call
call->accept();
}
/// A call changed state.
void xmppClient::slotCallStateChanged(QXmppCall::State state)
{
if (state == QXmppCall::ActiveState)
qDebug("Call active");
else if (state == QXmppCall::DisconnectingState)
qDebug("Call disconnecting");
else if (state == QXmppCall::FinishedState)
qDebug("Call finished");
}
/// A presence was received.
void xmppClient::slotPresenceReceived(const QXmppPresence &presence)
{
const QLatin1String recipient("qxmpp.test2@gmail.com");
// if we are the recipient, or if the presence is not from the recipient,
// do nothing
if (jidToBareJid(configuration().jid()) == recipient ||
jidToBareJid(presence.from()) != recipient ||
presence.type() != QXmppPresence::Available)
return;
// start the call and connect to the its signals
QXmppCall *call = callManager->call(presence.from());
bool check;
check = connect(call, SIGNAL(stateChanged(QXmppCall:State)),
this, SLOT(slotCallStateChanged(QXmppCall::State)));
Q_ASSERT(check);
check = connect(call, SIGNAL(audioModeChanged(QIODevice::OpenMode)),
this, SLOT(slotAudioModeChanged(QIODevice::OpenMode)));
Q_ASSERT(check);
}
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