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sdrangel/sdrbase/util/udpsink.h

88 lines
2.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// 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 //
// //
// 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 INCLUDE_UTIL_UDPSINK_H_
#define INCLUDE_UTIL_UDPSINK_H_
#include <QObject>
#include <QUdpSocket>
#include <QHostAddress>
#include <cassert>
template<typename T>
class UDPSink
{
public:
UDPSink(QObject *parent, unsigned int udpSize, unsigned int port) :
m_udpSize(udpSize),
m_address(QHostAddress::LocalHost),
m_port(port),
m_sampleBufferIndex(0)
{
m_sampleBuffer = new T[m_udpSize];
m_socket = new QUdpSocket(parent);
}
UDPSink (QObject *parent, unsigned int udpSize, QHostAddress& address, unsigned int port) :
m_udpSize(udpSize),
m_address(address),
m_port(port),
m_sampleBufferIndex(0)
{
assert(m_udpSize > 2);
m_sampleBuffer = new T[m_udpSize];
m_socket = new QUdpSocket(parent);
}
~UDPSink()
{
delete[] m_sampleBuffer;
delete m_socket;
}
void setAddress(QString& address) { m_address.setAddress(address); }
void setPort(unsigned int port) { m_port = port; }
void write(T sample)
{
if (m_sampleBufferIndex < m_udpSize)
{
m_sampleBuffer[m_sampleBufferIndex] = sample;
m_sampleBufferIndex++;
}
else
{
m_socket->writeDatagram((const char*)&m_sampleBuffer[0], (qint64 ) (m_udpSize * sizeof(T)), m_address, m_port);
m_sampleBuffer[0] = sample;
m_sampleBufferIndex = 1;
}
}
private:
unsigned int m_udpSize;
QHostAddress m_address;
unsigned int m_port;
QUdpSocket *m_socket;
T *m_sampleBuffer;;
int m_sampleBufferIndex;
};
#endif /* INCLUDE_UTIL_UDPSINK_H_ */