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https://github.com/f4exb/sdrangel.git
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156 lines
7.1 KiB
C++
156 lines
7.1 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) 2015-2019, 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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#ifndef INCLUDE_REMOTESINKSINK_H_
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#define INCLUDE_REMOTESINKSINK_H_
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#include <QObject>
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#include <QThread>
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#include "dsp/channelsamplesink.h"
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#include "channel/remotedatablock.h"
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#include "remotesinksettings.h"
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class DeviceSampleSource;
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class RemoteSinkSender;
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class RemoteSinkSink : public QObject, public ChannelSampleSink {
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Q_OBJECT
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public:
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RemoteSinkSink();
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~RemoteSinkSink();
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
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void start();
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void stop();
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void init();
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void setNbTxBytes(uint32_t nbTxBytes) { m_nbTxBytes = nbTxBytes; }
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void applySettings(const RemoteSinkSettings& settings, bool force = false);
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void applyBasebandSampleRate(uint32_t sampleRate);
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void setDeviceCenterFrequency(uint64_t frequency) { m_deviceCenterFrequency = frequency; }
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void setDeviceIndex(uint32_t deviceIndex) { m_deviceIndex = deviceIndex; }
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void setChannelIndex(uint32_t channelIndex) { m_channelIndex = channelIndex; }
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private:
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RemoteSinkSettings m_settings;
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bool m_running;
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QThread m_senderThread;
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RemoteSinkSender *m_remoteSinkSender;
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int m_txBlockIndex; //!< Current index in blocks to transmit in the Tx row
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uint16_t m_frameCount; //!< transmission frame count
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int m_sampleIndex; //!< Current sample index in protected block data
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RemoteSuperBlock m_superBlock;
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RemoteMetaDataFEC m_currentMetaFEC;
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RemoteDataFrame *m_dataFrame;
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uint64_t m_deviceCenterFrequency;
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int64_t m_frequencyOffset;
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uint32_t m_basebandSampleRate;
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uint32_t m_deviceIndex;
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uint32_t m_channelIndex;
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int m_nbBlocksFEC;
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uint32_t m_nbTxBytes;
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QString m_dataAddress;
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uint16_t m_dataPort;
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void startSender();
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void stopSender();
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void setNbBlocksFEC(int nbBlocksFEC);
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uint32_t getNbSampleBits();
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inline void convertSampleToData(const SampleVector::const_iterator& begin, int nbSamples, bool isTx)
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{
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if (sizeof(Sample) == m_nbTxBytes * 2) // 16 -> 16 or 24 ->24: direct copy
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{
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memcpy((void *) &m_superBlock.m_protectedBlock.buf[m_sampleIndex*m_nbTxBytes*2],
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(const void *) &(*(begin)),
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nbSamples * sizeof(Sample));
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}
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else if (isTx)
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{
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if (m_nbTxBytes == 4) // just convert type int16_t -> int32_t (always 16 bit wide)
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{
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for (int i = 0; i < nbSamples; i++)
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{
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*((int32_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2]) = (begin+i)->m_real;
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*((int32_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2 + m_nbTxBytes]) = (begin+i)->m_imag;
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}
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}
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else if (m_nbTxBytes == 2) //just convert type int32_t -> int16_t (always 16 bit wide)
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{
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for (int i = 0; i < nbSamples; i++)
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{
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*((int16_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2]) = (begin+i)->m_real;
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*((int16_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2 + m_nbTxBytes]) = (begin+i)->m_imag;
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}
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}
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else if (m_nbTxBytes == 1) // 16 or 24 -> 8
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{
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for (int i = 0; i < nbSamples; i++)
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{
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*((int8_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2]) = (int8_t) ((begin+i)->m_real / (1<<8));
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*((int8_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2 + m_nbTxBytes]) = (int8_t) ((begin+i)->m_imag / (1<<8));
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}
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}
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}
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else
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{
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if (m_nbTxBytes == 4) // 16 -> 24
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{
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for (int i = 0; i < nbSamples; i++)
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{
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*((int32_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2]) = (begin+i)->m_real * (1<<8);
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*((int32_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2 + m_nbTxBytes]) = (begin+i)->m_imag * (1<<8);
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}
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}
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else if (m_nbTxBytes == 2) // 24 -> 16
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{
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for (int i = 0; i < nbSamples; i++)
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{
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*((int16_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2]) = (begin+i)->m_real / (1<<8);
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*((int16_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2 + m_nbTxBytes]) = (begin+i)->m_imag / (1<<8);
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}
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}
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else if ((m_nbTxBytes == 1) && (sizeof(Sample) == 4)) // 16 -> 8
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{
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for (int i = 0; i < nbSamples; i++)
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{
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*((int8_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2]) = (int8_t) ((begin+i)->m_real / (1<<8));
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*((int8_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2 + m_nbTxBytes]) = (int8_t) ((begin+i)->m_imag / (1<<8));
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}
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}
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else if ((m_nbTxBytes == 1) && (sizeof(Sample) == 8)) // 24 -> 8
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{
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for (int i = 0; i < nbSamples; i++)
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{
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*((int8_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2]) = (int8_t) ((begin+i)->m_real / (1<<16));
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*((int8_t*) &m_superBlock.m_protectedBlock.buf[(m_sampleIndex+ i)*m_nbTxBytes*2 + m_nbTxBytes]) = (int8_t) ((begin+i)->m_imag / (1<<16));
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}
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}
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}
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}
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};
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#endif // INCLUDE_REMOTESINKSINK_H_
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