mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-03 15:31:15 -05:00
125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program 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 General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef PLUGINS_CHANNELTX_UDPSINK_UDPSOURCEUDPHANDLER_H_
|
|
#define PLUGINS_CHANNELTX_UDPSINK_UDPSOURCEUDPHANDLER_H_
|
|
|
|
#include <QObject>
|
|
#include <QUdpSocket>
|
|
#include <QHostAddress>
|
|
#include <QMutex>
|
|
#include <stdint.h>
|
|
|
|
#include "dsp/dsptypes.h"
|
|
#include "util/message.h"
|
|
#include "util/messagequeue.h"
|
|
|
|
class UDPSourceUDPHandler : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
UDPSourceUDPHandler();
|
|
virtual ~UDPSourceUDPHandler();
|
|
|
|
void start();
|
|
void stop();
|
|
void configureUDPLink(const QString& address, quint16 port);
|
|
void resetReadIndex();
|
|
void resizeBuffer(float sampleRate);
|
|
|
|
void readSample(qint16 &t); //!< audio mono
|
|
void readSample(AudioSample &a); //!< audio stereo
|
|
void readSample(Sample &s); //!< I/Q stream
|
|
|
|
void setAutoRWBalance(bool autoRWBalance) { m_autoRWBalance = autoRWBalance; }
|
|
void setFeedbackMessageQueue(MessageQueue *messageQueue) { m_feedbackMessageQueue = messageQueue; }
|
|
|
|
/** Get buffer gauge value in % of buffer size ([-50:50])
|
|
* [-50:0] : write leads or read lags
|
|
* [0:50] : read leads or write lags
|
|
*/
|
|
inline int32_t getBufferGauge() const
|
|
{
|
|
int32_t val = m_rwDelta - (m_nbUDPFrames/2);
|
|
return (100*val) / m_nbUDPFrames;
|
|
}
|
|
|
|
static const int m_udpBlockSize = 512; // UDP block size in number of bytes
|
|
static const int m_minNbUDPFrames = 256; // number of frames of block size in the UDP buffer
|
|
|
|
public slots:
|
|
void dataReadyRead();
|
|
|
|
private:
|
|
class MsgUDPAddressAndPort : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
const QString& getAddress() const { return m_address; }
|
|
quint16 getPort() const { return m_port; }
|
|
|
|
static MsgUDPAddressAndPort* create(QString address, quint16 port)
|
|
{
|
|
return new MsgUDPAddressAndPort(address, port);
|
|
}
|
|
|
|
private:
|
|
QString m_address;
|
|
quint16 m_port;
|
|
|
|
MsgUDPAddressAndPort(QString address, quint16 port) :
|
|
Message(),
|
|
m_address(address),
|
|
m_port(port)
|
|
{ }
|
|
};
|
|
|
|
typedef char (udpBlk_t)[m_udpBlockSize];
|
|
|
|
void moveData(char *blk);
|
|
void advanceReadPointer(int nbBytes);
|
|
void applyUDPLink(const QString& address, quint16 port);
|
|
bool handleMessage(const Message& message);
|
|
|
|
QUdpSocket *m_dataSocket;
|
|
QHostAddress m_dataAddress;
|
|
QHostAddress m_remoteAddress;
|
|
quint16 m_dataPort;
|
|
quint16 m_remotePort;
|
|
bool m_dataConnected;
|
|
udpBlk_t *m_udpBuf;
|
|
char m_udpDump[m_udpBlockSize + 8192]; // UDP block size + largest possible block
|
|
int m_udpDumpIndex;
|
|
int m_nbUDPFrames;
|
|
int m_nbAllocatedUDPFrames;
|
|
int m_writeFrameIndex;
|
|
int m_readFrameIndex;
|
|
int m_readIndex;
|
|
int m_rwDelta;
|
|
float m_d;
|
|
bool m_autoRWBalance;
|
|
MessageQueue *m_feedbackMessageQueue;
|
|
MessageQueue m_inputMessageQueue;
|
|
|
|
private slots:
|
|
void handleMessages();
|
|
};
|
|
|
|
|
|
|
|
#endif /* PLUGINS_CHANNELTX_UDPSINK_UDPSOURCEUDPHANDLER_H_ */
|