kopia lustrzana https://github.com/f4exb/sdrangel
80 wiersze
2.9 KiB
C++
80 wiersze
2.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <algorithm>
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#include "datvudpstream.h"
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const int DATVUDPStream::m_tsBlocksPerFrame = 7; // The usual value
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DATVUDPStream::DATVUDPStream(int tsBlockSize) :
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m_active(false),
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m_address(QHostAddress::LocalHost),
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m_port(8882),
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m_tsBlockSize(tsBlockSize),
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m_tsBlockIndex(0),
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m_dataBytes(0),
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m_totalBytes(0),
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m_fifoSignalCount(0)
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{
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m_tsBuffer = new char[m_tsBlocksPerFrame*m_tsBlockSize];
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}
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DATVUDPStream::~DATVUDPStream()
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{
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delete[] m_tsBuffer;
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}
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void DATVUDPStream::pushData(const char *chrData, int nbTSBlocks)
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{
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if (!m_active) {
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return;
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}
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for (int i = 0; i < nbTSBlocks; i++)
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{
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std::copy(chrData + i*m_tsBlockSize, chrData + (i+1)*m_tsBlockSize, m_tsBuffer + m_tsBlockIndex*m_tsBlockSize);
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if (m_tsBlockIndex < m_tsBlocksPerFrame - 1)
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{
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m_tsBlockIndex++;
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}
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else
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{
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m_udpSocket.writeDatagram(m_tsBuffer, m_tsBlocksPerFrame*m_tsBlockSize, m_address, m_port);
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m_dataBytes += m_tsBlocksPerFrame*m_tsBlockSize;
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m_totalBytes += m_tsBlocksPerFrame*m_tsBlockSize;
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if (++m_fifoSignalCount == 10)
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{
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emit fifoData(m_dataBytes, 0, m_totalBytes);
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m_fifoSignalCount = 0;
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}
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m_dataBytes = 0;
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m_tsBlockIndex = 0;
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}
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}
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}
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void DATVUDPStream::resetTotalReceived()
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{
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m_totalBytes = 0;
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emit fifoData(m_dataBytes, 0, m_totalBytes);
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}
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