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SDRdaemon: UDP channel sink base final

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This commit is contained in:
f4exb 2018-08-21 14:00:56 +02:00
parent d2c3985de0
commit 9046b379ac
3 changed files with 109 additions and 8 deletions
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85
sdrdaemon/channel/sdrdaemonchannelsink.cpp
View File

@ -42,7 +42,14 @@ SDRDaemonChannelSink::SDRDaemonChannelSink(DeviceSourceAPI *deviceAPI) :
m_sinkThread(0),
m_txBlockIndex(0),
m_frameCount(0),
m_sampleIndex(0)
m_sampleIndex(0),
m_dataBlock(0),
m_centerFrequency(0),
m_sampleRate(48000),
m_sampleBytes(SDR_RX_SAMP_SZ/8),
m_sampleBits(8),
m_nbBlocksFEC(0),
m_txDelay(100)
{
setObjectName(m_channelId);
@ -56,12 +63,29 @@ SDRDaemonChannelSink::SDRDaemonChannelSink(DeviceSourceAPI *deviceAPI) :
SDRDaemonChannelSink::~SDRDaemonChannelSink()
{
m_dataBlockMutex.lock();
if (m_dataBlock && !m_dataBlock->m_controlBlock.m_complete) {
delete m_dataBlock;
}
m_dataBlockMutex.unlock();
m_deviceAPI->removeChannelAPI(this);
m_deviceAPI->removeThreadedSink(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
}
void SDRDaemonChannelSink::setTxDelay(int txDelay)
{
qDebug() << "SDRDaemonChannelSink::setTxDelay: txDelay: " << txDelay;
m_txDelay = txDelay;
}
void SDRDaemonChannelSink::setNbBlocksFEC(int nbBlocksFEC)
{
qDebug() << "SDRDaemonChannelSink::setNbBlocksFEC: nbBlocksFEC: " << nbBlocksFEC;
m_nbBlocksFEC = nbBlocksFEC;
}
void SDRDaemonChannelSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst __attribute__((unused)))
{
SampleVector::const_iterator it = begin;
@ -77,19 +101,19 @@ void SDRDaemonChannelSink::feed(const SampleVector::const_iterator& begin, const
SDRDaemonMetaDataFEC metaData;
gettimeofday(&tv, 0);
metaData.m_centerFrequency = 0; // TODO
metaData.m_sampleRate = 48000; // TODO
metaData.m_sampleBytes = SDR_RX_SAMP_SZ/8;
metaData.m_sampleBits = SDR_RX_SAMP_SZ;
metaData.m_centerFrequency = m_centerFrequency;
metaData.m_sampleRate = m_sampleRate;
metaData.m_sampleBytes = m_sampleBytes;
metaData.m_sampleBits = m_sampleBits;
metaData.m_nbOriginalBlocks = SDRDaemonNbOrginalBlocks;
metaData.m_nbFECBlocks = 8; // TODO
metaData.m_nbFECBlocks = m_nbBlocksFEC;
metaData.m_tv_sec = tv.tv_sec;
metaData.m_tv_usec = tv.tv_usec;
boost::crc_32_type crc32;
crc32.process_bytes(&metaData, 20);
metaData.m_crc32 = crc32.checksum();
SDRDaemonSuperBlock& superBlock = m_dataBlock.m_superBlocks[0]; // first block
SDRDaemonSuperBlock& superBlock = m_dataBlock->m_superBlocks[0]; // first block
memset((void *) &superBlock, 0, SDRDaemonUdpSize);
@ -112,8 +136,55 @@ void SDRDaemonChannelSink::feed(const SampleVector::const_iterator& begin, const
m_currentMetaFEC = metaData;
}
if (!m_dataBlock) {
m_dataBlock = new SDRDaemonDataBlock();
}
m_txBlockIndex = 1; // next Tx block with data
} // block zero
// TODO: handle different sample sizes...
if (m_sampleIndex + inRemainingSamples < SDRDaemonSamplesPerBlock) // there is still room in the current super block
{
memcpy((void *) &m_superBlock.m_protectedBlock.m_samples[m_sampleIndex],
(const void *) &(*(begin+inSamplesIndex)),
inRemainingSamples * sizeof(Sample));
m_sampleIndex += inRemainingSamples;
it = end; // all input samples are consumed
}
else // complete super block and initiate the next if not end of frame
{
memcpy((void *) &m_superBlock.m_protectedBlock.m_samples[m_sampleIndex],
(const void *) &(*(begin+inSamplesIndex)),
(SDRDaemonSamplesPerBlock - m_sampleIndex) * sizeof(Sample));
it += SDRDaemonSamplesPerBlock - m_sampleIndex;
m_sampleIndex = 0;
m_superBlock.m_header.m_frameIndex = m_frameCount;
m_superBlock.m_header.m_blockIndex = m_txBlockIndex;
m_dataBlock->m_superBlocks[m_txBlockIndex] = m_superBlock;
if (m_txBlockIndex == SDRDaemonNbOrginalBlocks - 1) // frame complete
{
m_dataBlockMutex.lock();
m_dataBlock->m_controlBlock.m_frameIndex = m_frameCount;
m_dataBlock->m_controlBlock.m_processed = false;
m_dataBlock->m_controlBlock.m_complete = true;
m_dataBlock->m_controlBlock.m_nbBlocksFEC = m_nbBlocksFEC;
m_dataBlock->m_controlBlock.m_txDelay = m_txDelay;
m_dataQueue.push(m_dataBlock);
m_dataBlock = new SDRDaemonDataBlock(); // create a new one immediately
m_dataBlockMutex.unlock();
m_txBlockIndex = 0;
m_frameCount++;
}
else
{
m_txBlockIndex++;
}
}
}
}

23
sdrdaemon/channel/sdrdaemonchannelsink.h
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@ -23,6 +23,8 @@
#ifndef SDRDAEMON_CHANNEL_SDRDAEMONCHANNELSINK_H_
#define SDRDAEMON_CHANNEL_SDRDAEMONCHANNELSINK_H_
#include <QMutex>
#include "cm256.h"
#include "dsp/basebandsamplesink.h"
@ -54,6 +56,17 @@ public:
virtual QByteArray serialize() const;
virtual bool deserialize(const QByteArray& data);
/** Set center frequency given in Hz */
void setCenterFrequency(uint64_t centerFrequency) { m_centerFrequency = centerFrequency / 1000; }
/** Set sample rate given in Hz */
void setSampleRate(uint32_t sampleRate) { m_sampleRate = sampleRate; }
void setSampleBytes(uint8_t sampleBytes) { m_sampleBytes = sampleBytes; }
void setSampleBits(uint8_t sampleBits) { m_sampleBits = sampleBits; }
void setNbBlocksFEC(int nbBlocksFEC);
void setTxDelay(int txDelay);
static const QString m_channelIdURI;
static const QString m_channelId;
@ -73,7 +86,15 @@ private:
int m_sampleIndex; //!< Current sample index in protected block data
SDRDaemonSuperBlock m_superBlock;
SDRDaemonMetaDataFEC m_currentMetaFEC;
SDRDaemonDataBlock m_dataBlock;
SDRDaemonDataBlock *m_dataBlock;
QMutex m_dataBlockMutex;
uint64_t m_centerFrequency;
uint32_t m_sampleRate;
uint8_t m_sampleBytes;
uint8_t m_sampleBits;
int m_nbBlocksFEC;
int m_txDelay;
};
#endif /* SDRDAEMON_CHANNEL_SDRDAEMONCHANNELSINK_H_ */

9
sdrdaemon/channel/sdrdaemondatablock.h
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@ -81,10 +81,19 @@ struct SDRDaemonSuperBlock
struct SDRDaemonTxControlBlock
{
bool m_complete;
bool m_processed;
uint16_t m_frameIndex;
int m_nbBlocksFEC;
int m_txDelay;
SDRDaemonTxControlBlock() {
m_complete = false;
m_processed = false;
m_frameIndex = 0;
m_nbBlocksFEC = 0;
m_txDelay = 100;
}
};
class SDRDaemonDataBlock