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/*
* Copyright (C) 2008-2010 The QXmpp developers
*
* Author:
* 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.
*
*/
#ifndef QXMPPRTPCHANNEL_H
#define QXMPPRTPCHANNEL_H
#include <QIODevice>
#include "QXmppLogger.h"
class QXmppCodec;
class QXmppJinglePayloadType;
class QXmppRtpChannelPrivate;
/// \brief The QXmppRtpChannel class represents an RTP channel to a remote party.
///
/// It acts as a QIODevice so that you can read / write audio samples, for
/// instance using a QAudioOutput and a QAudioInput.
///
/// \note THIS API IS NOT FINALIZED YET
class QXmppRtpChannel : public QIODevice
{
Q_OBJECT
public:
enum CodecId {
G711u = 0,
GSM = 3,
G723 = 4,
G711a = 8,
G722 = 9,
L16Stereo = 10,
L16Mono = 11,
G728 = 15,
G729 = 18,
};
/// This enum is used to describe a DTMF tone.
enum Tone {
Tone_0 = 0, ///< Tone for the 0 key.
Tone_1, ///< Tone for the 1 key.
Tone_2, ///< Tone for the 2 key.
Tone_3, ///< Tone for the 3 key.
Tone_4, ///< Tone for the 4 key.
Tone_5, ///< Tone for the 5 key.
Tone_6, ///< Tone for the 6 key.
Tone_7, ///< Tone for the 7 key.
Tone_8, ///< Tone for the 8 key.
Tone_9, ///< Tone for the 9 key.
Tone_Star, ///< Tone for the * key.
Tone_Pound, ///< Tone for the # key.
Tone_A, ///< Tone for the A key.
Tone_B, ///< Tone for the B key.
Tone_C, ///< Tone for the C key.
Tone_D ///< Tone for the D key.
};
QXmppRtpChannel(QObject *parent = 0);
~QXmppRtpChannel();
QXmppJinglePayloadType payloadType() const;
QList<QXmppJinglePayloadType> localPayloadTypes() const;
void setRemotePayloadTypes(const QList<QXmppJinglePayloadType> &remotePayloadTypes);
/// \cond
qint64 bytesAvailable() const;
bool isSequential() const;
/// \endcond
signals:
/// This signal is emitted when a datagram needs to be sent.
void sendDatagram(const QByteArray &ba);
/// This signal is emitted to send logging messages.
void logMessage(QXmppLogger::MessageType type, const QString &msg);
public slots:
void datagramReceived(const QByteArray &ba);
void startTone(QXmppRtpChannel::Tone tone);
void stopTone(QXmppRtpChannel::Tone tone);
protected:
void debug(const QString &message)
{
emit logMessage(QXmppLogger::DebugMessage, message);
}
void warning(const QString &message)
{
emit logMessage(QXmppLogger::WarningMessage, message);
}
void logReceived(const QString &message)
{
emit logMessage(QXmppLogger::ReceivedMessage, message);
}
void logSent(const QString &message)
{
emit logMessage(QXmppLogger::SentMessage, message);
}
/// \cond
qint64 readData(char * data, qint64 maxSize);
qint64 writeData(const char * data, qint64 maxSize);
/// \endcond
private slots:
void emitSignals();
void writeDatagram();
private:
QXmppRtpChannelPrivate * const d;
};
#endif
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