fix example

1 files changed, 174 insertions, 0 deletions

diff --git a/examples/example_4_callHandling/example_4_callHandling.cpp b/examples/example_4_callHandling/example_4_callHandling.cpp
new file mode 100644
index 00000000..b73c9caa
--- /dev/null
+++ b/examples/example_4_callHandling/example_4_callHandling.cpp
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2008-2012 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 <cstdlib>
+#include <cstdio>
+
+#include <QAudioInput>
+#include <QAudioOutput>
+#include <QCoreApplication>
+#include <QDebug>
+
+#include "QXmppCallManager.h"
+#include "QXmppJingleIq.h"
+#include "QXmppRtpChannel.h"
+#include "QXmppUtils.h"
+
+#include "example_4_callHandling.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);
+}
+
+void xmppClient::setRecipient(const QString &recipient)
+{
+    m_recipient = recipient;
+}
+
+/// 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)
+{
+    // if we don't have a recipient, or if the presence is not from the recipient,
+    // do nothing
+    if (m_recipient.isEmpty() ||
+        QXmppUtils::jidToBareJid(presence.from()) != m_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);
+}
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication a(argc, argv);
+
+    // we want one argument : "send" or "receive"
+    if (argc != 2 || (strcmp(argv[1], "send") && strcmp(argv[1], "receive")))
+    {
+        fprintf(stderr, "Usage: %s send|receive\n", argv[0]);
+        return EXIT_FAILURE;
+    }
+
+    xmppClient client;
+    client.logger()->setLoggingType(QXmppLogger::StdoutLogging);
+    if (!strcmp(argv[1], "send")) {
+        client.setRecipient("qxmpp.test2@qxmpp.org");
+        client.connectToServer("qxmpp.test1@qxmpp.org", "qxmpp123");
+    } else {
+        client.connectToServer("qxmpp.test2@qxmpp.org", "qxmpp456");
+    }
+
+    return a.exec();
+}