diff --git a/devices/sdrdaemon/CMakeLists.txt b/devices/sdrdaemon/CMakeLists.txt
deleted file mode 100644
index 51bc08d8c..000000000
--- a/devices/sdrdaemon/CMakeLists.txt
+++ /dev/null
@@ -1,55 +0,0 @@
-project(sdrdaemondevice)
-
-if (HAS_SSSE3)
- message(STATUS "SDRdaemonDevice: use SSSE3 SIMD" )
-elseif (HAS_NEON)
- message(STATUS "SDRdaemonDevice: use Neon SIMD" )
-else()
- message(STATUS "SDRdaemonDevice: Unsupported architecture")
- return()
-endif()
-
-set(sdrdaemondevice_SOURCES
- sdrdaemonfecbuffer.cpp
-)
-
-set(sdrdaemondevice_HEADERS
- sdrdaemonfecbuffer.h
-)
-
-add_definitions(${QT_DEFINITIONS})
-add_definitions(-DQT_SHARED)
-
-if (BUILD_DEBIAN)
-include_directories(
- .
- ${CMAKE_CURRENT_BINARY_DIR}
- ${LIBCM256CCSRC}
-)
-else (BUILD_DEBIAN)
-include_directories(
- .
- ${CMAKE_CURRENT_BINARY_DIR}
- ${CM256CC_INCLUDE_DIR}
-)
-endif (BUILD_DEBIAN)
-
-add_library(sdrdaemondevice SHARED
- ${sdrdaemondevice_SOURCES}
-)
-
-if (BUILD_DEBIAN)
-target_link_libraries(sdrdaemondevice
- ${QT_LIBRARIES}
- cm256cc
-)
-else (BUILD_DEBIAN)
-target_link_libraries(sdrdaemondevice
- ${QT_LIBRARIES}
- ${CM256CC_LIBRARIES}
-)
-endif (BUILD_DEBIAN)
-
-qt5_use_modules(sdrdaemondevice Core)
-
-install(TARGETS sdrdaemondevice DESTINATION lib)
diff --git a/devices/sdrdaemon/sdrdaemonfecbuffer.cpp b/devices/sdrdaemon/sdrdaemonfecbuffer.cpp
deleted file mode 100644
index bb8629627..000000000
--- a/devices/sdrdaemon/sdrdaemonfecbuffer.cpp
+++ /dev/null
@@ -1,377 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////////
-// Copyright (C) 2016 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 //
-// //
-// 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 . //
-///////////////////////////////////////////////////////////////////////////////////
-
-#include
-#include
-#include
-#include
-#include
-#include
-
-#include "sdrdaemonfecbuffer.h"
-
-
-const int SDRdaemonFECBuffer::m_sampleSize = 2;
-const int SDRdaemonFECBuffer::m_iqSampleSize = 2 * m_sampleSize;
-
-SDRdaemonFECBuffer::SDRdaemonFECBuffer(uint32_t throttlems) :
- m_decoderIndexHead(nbDecoderSlots/2),
- m_frameHead(0),
- m_curNbBlocks(0),
- m_minNbBlocks(256),
- m_curOriginalBlocks(0),
- m_minOriginalBlocks(128),
- m_curNbRecovery(0),
- m_maxNbRecovery(0),
- m_framesDecoded(true),
- m_readIndex(0),
- m_throttlemsNominal(throttlems),
- m_readBuffer(0),
- m_readSize(0),
- m_bufferLenSec(0.0f),
- m_nbReads(0),
- m_nbWrites(0),
- m_balCorrection(0),
- m_balCorrLimit(0)
-{
- m_currentMeta.init();
- m_framesNbBytes = nbDecoderSlots * sizeof(BufferFrame);
- m_wrDeltaEstimate = m_framesNbBytes / 2;
- m_tvOut_sec = 0;
- m_tvOut_usec = 0;
- m_readNbBytes = 1;
- m_paramsCM256.BlockBytes = sizeof(ProtectedBlock); // never changes
- m_paramsCM256.OriginalCount = m_nbOriginalBlocks; // never changes
-
- if (!m_cm256.isInitialized()) {
- m_cm256_OK = false;
- qDebug() << "SDRdaemonFECBuffer::SDRdaemonFECBuffer: cannot initialize CM256 library";
- } else {
- m_cm256_OK = true;
- }
-}
-
-SDRdaemonFECBuffer::~SDRdaemonFECBuffer()
-{
- if (m_readBuffer) {
- delete[] m_readBuffer;
- }
-}
-
-void SDRdaemonFECBuffer::initDecodeAllSlots()
-{
- for (int i = 0; i < nbDecoderSlots; i++)
- {
- m_decoderSlots[i].m_blockCount = 0;
- m_decoderSlots[i].m_originalCount = 0;
- m_decoderSlots[i].m_recoveryCount = 0;
- m_decoderSlots[i].m_decoded = false;
- m_decoderSlots[i].m_metaRetrieved = false;
- resetOriginalBlocks(i);
- memset((void *) m_decoderSlots[i].m_recoveryBlocks, 0, m_nbOriginalBlocks * sizeof(ProtectedBlock));
- }
-}
-
-void SDRdaemonFECBuffer::initDecodeSlot(int slotIndex)
-{
- // collect stats before voiding the slot
-
- m_curNbBlocks = m_decoderSlots[slotIndex].m_blockCount;
- m_curOriginalBlocks = m_decoderSlots[slotIndex].m_originalCount;
- m_curNbRecovery = m_decoderSlots[slotIndex].m_recoveryCount;
- m_avgNbBlocks(m_curNbBlocks);
- m_avgOrigBlocks(m_curOriginalBlocks);
- m_avgNbRecovery(m_curNbRecovery);
- m_framesDecoded = m_framesDecoded && m_decoderSlots[slotIndex].m_decoded;
-
- if (m_curNbBlocks < m_minNbBlocks) {
- m_minNbBlocks = m_curNbBlocks;
- }
-
- if (m_curOriginalBlocks < m_minOriginalBlocks) {
- m_minOriginalBlocks = m_curOriginalBlocks;
- }
-
- if (m_curNbRecovery > m_maxNbRecovery) {
- m_maxNbRecovery = m_curNbRecovery;
- }
-
- // void the slot
-
- m_decoderSlots[slotIndex].m_blockCount = 0;
- m_decoderSlots[slotIndex].m_originalCount = 0;
- m_decoderSlots[slotIndex].m_recoveryCount = 0;
- m_decoderSlots[slotIndex].m_decoded = false;
- m_decoderSlots[slotIndex].m_metaRetrieved = false;
-
- resetOriginalBlocks(slotIndex);
- memset((void *) m_decoderSlots[slotIndex].m_recoveryBlocks, 0, m_nbOriginalBlocks * sizeof(ProtectedBlock));
-}
-
-void SDRdaemonFECBuffer::initReadIndex()
-{
- m_readIndex = ((m_decoderIndexHead + (nbDecoderSlots/2)) % nbDecoderSlots) * sizeof(BufferFrame);
- m_wrDeltaEstimate = m_framesNbBytes / 2;
- m_nbReads = 0;
- m_nbWrites = 0;
-}
-
-void SDRdaemonFECBuffer::rwCorrectionEstimate(int slotIndex)
-{
- if (m_nbReads >= 40) // check every ~1s as tick is ~50ms
- {
- int targetPivotSlot = (slotIndex + (nbDecoderSlots/2)) % nbDecoderSlots; // slot at half buffer opposite of current write slot
- int targetPivotIndex = targetPivotSlot * sizeof(BufferFrame); // buffer index corresponding to start of above slot
- uint32_t normalizedReadIndex = (m_readIndex < targetPivotIndex ? m_readIndex + nbDecoderSlots * sizeof(BufferFrame) : m_readIndex)
- - (targetPivotSlot * sizeof(BufferFrame)); // normalize read index so it is positive and zero at start of pivot slot
- int dBytes;
- int rwDelta = (m_nbReads * m_readNbBytes) - (m_nbWrites * sizeof(BufferFrame));
-
- if (normalizedReadIndex < (nbDecoderSlots/ 2) * sizeof(BufferFrame)) // read leads
- {
- dBytes = - normalizedReadIndex - rwDelta;
- }
- else // read lags
- {
- dBytes = (nbDecoderSlots * sizeof(BufferFrame)) - normalizedReadIndex - rwDelta;
- }
-
- m_balCorrection = (m_balCorrection / 4) + (dBytes / (int) (m_iqSampleSize * m_nbReads)); // correction is in number of samples. Alpha = 0.25
-
- if (m_balCorrection < -m_balCorrLimit) {
- m_balCorrection = -m_balCorrLimit;
- } else if (m_balCorrection > m_balCorrLimit) {
- m_balCorrection = m_balCorrLimit;
- }
-
- m_nbReads = 0;
- m_nbWrites = 0;
- }
-}
-
-void SDRdaemonFECBuffer::checkSlotData(int slotIndex)
-{
- int pseudoWriteIndex = slotIndex * sizeof(BufferFrame);
- m_wrDeltaEstimate = pseudoWriteIndex - m_readIndex;
- m_nbWrites++;
-
- int rwDelayBytes = (m_wrDeltaEstimate > 0 ? m_wrDeltaEstimate : sizeof(BufferFrame) * nbDecoderSlots + m_wrDeltaEstimate);
- int sampleRate = m_currentMeta.m_sampleRate;
-
- if (sampleRate > 0)
- {
- int64_t ts = m_currentMeta.m_tv_sec * 1000000LL + m_currentMeta.m_tv_usec;
- ts -= (rwDelayBytes * 1000000LL) / (sampleRate * sizeof(Sample));
- m_tvOut_sec = ts / 1000000LL;
- m_tvOut_usec = ts - (m_tvOut_sec * 1000000LL);
- }
-
- if (!m_decoderSlots[slotIndex].m_decoded)
- {
- qDebug() << "SDRdaemonFECBuffer::checkSlotData: incomplete frame:"
- << " m_blockCount: " << m_decoderSlots[slotIndex].m_blockCount
- << " m_recoveryCount: " << m_decoderSlots[slotIndex].m_recoveryCount;
- }
-}
-
-void SDRdaemonFECBuffer::writeData(char *array)
-{
- SuperBlock *superBlock = (SuperBlock *) array;
- int frameIndex = superBlock->header.frameIndex;
- int decoderIndex = frameIndex % nbDecoderSlots;
-
- // frame break
-
- if (m_frameHead == -1) // initial state
- {
- m_decoderIndexHead = decoderIndex; // new decoder slot head
- m_frameHead = frameIndex;
- initReadIndex(); // reset read index
- initDecodeAllSlots(); // initialize all slots
- }
- else if (m_frameHead != frameIndex) // frame break => new frame starts
- {
- m_decoderIndexHead = decoderIndex; // new decoder slot head
- m_frameHead = frameIndex; // new frame head
- checkSlotData(decoderIndex); // check slot before re-init
- rwCorrectionEstimate(decoderIndex);
- initDecodeSlot(decoderIndex); // collect stats and re-initialize current slot
- }
-
- // Block processing
-
- if (m_decoderSlots[decoderIndex].m_blockCount < m_nbOriginalBlocks) // not enough blocks to decode -> store data
- {
- int blockIndex = superBlock->header.blockIndex;
- int blockCount = m_decoderSlots[decoderIndex].m_blockCount;
- int recoveryCount = m_decoderSlots[decoderIndex].m_recoveryCount;
- m_decoderSlots[decoderIndex].m_cm256DescriptorBlocks[blockCount].Index = blockIndex;
-
- if (blockIndex == 0) // first block with meta
- {
- m_decoderSlots[decoderIndex].m_metaRetrieved = true;
- }
-
- if (blockIndex < m_nbOriginalBlocks) // original data
- {
- m_decoderSlots[decoderIndex].m_cm256DescriptorBlocks[blockCount].Block = (void *) storeOriginalBlock(decoderIndex, blockIndex, superBlock->protectedBlock);
- m_decoderSlots[decoderIndex].m_originalCount++;
- }
- else // recovery data
- {
- m_decoderSlots[decoderIndex].m_recoveryBlocks[recoveryCount] = superBlock->protectedBlock;
- m_decoderSlots[decoderIndex].m_cm256DescriptorBlocks[blockCount].Block = (void *) &m_decoderSlots[decoderIndex].m_recoveryBlocks[recoveryCount];
- m_decoderSlots[decoderIndex].m_recoveryCount++;
- }
- }
-
- m_decoderSlots[decoderIndex].m_blockCount++;
-
- if (m_decoderSlots[decoderIndex].m_blockCount == m_nbOriginalBlocks) // ready to decode
- {
- m_decoderSlots[decoderIndex].m_decoded = true;
-
- if (m_cm256_OK && (m_decoderSlots[decoderIndex].m_recoveryCount > 0)) // recovery data used => need to decode FEC
- {
- m_paramsCM256.BlockBytes = sizeof(ProtectedBlock); // never changes
- m_paramsCM256.OriginalCount = m_nbOriginalBlocks; // never changes
-
- if (m_decoderSlots[decoderIndex].m_metaRetrieved) {
- m_paramsCM256.RecoveryCount = m_currentMeta.m_nbFECBlocks;
- } else {
- m_paramsCM256.RecoveryCount = m_decoderSlots[decoderIndex].m_recoveryCount;
- }
-
- if (m_cm256.cm256_decode(m_paramsCM256, m_decoderSlots[decoderIndex].m_cm256DescriptorBlocks)) // CM256 decode
- {
- qDebug() << "SDRdaemonFECBuffer::writeData: decode CM256 error:"
- << " m_originalCount: " << m_decoderSlots[decoderIndex].m_originalCount
- << " m_recoveryCount: " << m_decoderSlots[decoderIndex].m_recoveryCount;
- }
- else
- {
- qDebug() << "SDRdaemonFECBuffer::writeData: decode CM256 success:"
- << " m_originalCount: " << m_decoderSlots[decoderIndex].m_originalCount
- << " m_recoveryCount: " << m_decoderSlots[decoderIndex].m_recoveryCount;
-
- for (int ir = 0; ir < m_decoderSlots[decoderIndex].m_recoveryCount; ir++) // restore missing blocks
- {
- int recoveryIndex = m_nbOriginalBlocks - m_decoderSlots[decoderIndex].m_recoveryCount + ir;
- int blockIndex = m_decoderSlots[decoderIndex].m_cm256DescriptorBlocks[recoveryIndex].Index;
- ProtectedBlock *recoveredBlock = (ProtectedBlock *) m_decoderSlots[decoderIndex].m_cm256DescriptorBlocks[recoveryIndex].Block;
-
- if (blockIndex == 0) // first block with meta
- {
- MetaDataFEC *metaData = (MetaDataFEC *) recoveredBlock;
-
- boost::crc_32_type crc32;
- crc32.process_bytes(metaData, 20);
-
- if (crc32.checksum() == metaData->m_crc32)
- {
- m_decoderSlots[decoderIndex].m_metaRetrieved = true;
- printMeta("SDRdaemonFECBuffer::writeData: recovered meta", metaData);
- }
- else
- {
- qDebug() << "SDRdaemonFECBuffer::writeData: recovered meta: invalid CRC32";
- }
- }
-
- storeOriginalBlock(decoderIndex, blockIndex, *recoveredBlock);
-
- qDebug() << "SDRdaemonFECBuffer::writeData: recovered block #" << blockIndex;
- } // restore missing blocks
- } // CM256 decode
- } // revovery
-
- if (m_decoderSlots[decoderIndex].m_metaRetrieved) // block zero with its meta data has been received
- {
- MetaDataFEC *metaData = getMetaData(decoderIndex);
-
- if (!(*metaData == m_currentMeta))
- {
- int sampleRate = metaData->m_sampleRate;
-
- if (sampleRate > 0) {
- m_bufferLenSec = (float) m_framesNbBytes / (float) (sampleRate * m_iqSampleSize);
- m_balCorrLimit = sampleRate / 1000; // +/- 1 ms correction max per read
- m_readNbBytes = (sampleRate * m_iqSampleSize) / 20;
- }
-
- printMeta("SDRdaemonFECBuffer::writeData: new meta", metaData); // print for change other than timestamp
- }
-
- m_currentMeta = *metaData; // renew current meta
- } // check block 0
- } // decode
-}
-
-uint8_t *SDRdaemonFECBuffer::readData(uint32_t length)
-{
- uint8_t *buffer = (uint8_t *) m_frames;
- uint32_t readIndex = m_readIndex;
-
- m_nbReads++;
-
- // SEGFAULT FIX: arbitratily truncate so that it does not exceed buffer length
- if (length > framesSize) {
- length = framesSize;
- }
-
- if (m_readIndex + length < m_framesNbBytes) // ends before buffer bound
- {
- m_readIndex += length;
- return &buffer[readIndex];
- }
- else if (m_readIndex + length == m_framesNbBytes) // ends at buffer bound
- {
- m_readIndex = 0;
- return &buffer[readIndex];
- }
- else // ends after buffer bound
- {
- if (length > m_readSize) // reallocate composition buffer if necessary
- {
- if (m_readBuffer) {
- delete[] m_readBuffer;
- }
-
- m_readBuffer = new uint8_t[length];
- m_readSize = length;
- }
-
- std::memcpy((void *) m_readBuffer, (const void *) &buffer[m_readIndex], m_framesNbBytes - m_readIndex); // copy end of buffer
- length -= m_framesNbBytes - m_readIndex;
- std::memcpy((void *) &m_readBuffer[m_framesNbBytes - m_readIndex], (const void *) buffer, length); // copy start of buffer
- m_readIndex = length;
- return m_readBuffer;
- }
-}
-
-void SDRdaemonFECBuffer::printMeta(const QString& header, MetaDataFEC *metaData)
-{
- qDebug() << header << ": "
- << "|" << metaData->m_centerFrequency
- << ":" << metaData->m_sampleRate
- << ":" << (int) (metaData->m_sampleBytes & 0xF)
- << ":" << (int) metaData->m_sampleBits
- << ":" << (int) metaData->m_nbOriginalBlocks
- << ":" << (int) metaData->m_nbFECBlocks
- << "|" << metaData->m_tv_sec
- << ":" << metaData->m_tv_usec
- << "|";
-}
diff --git a/devices/sdrdaemon/sdrdaemonfecbuffer.h b/devices/sdrdaemon/sdrdaemonfecbuffer.h
deleted file mode 100644
index 640a5f0b8..000000000
--- a/devices/sdrdaemon/sdrdaemonfecbuffer.h
+++ /dev/null
@@ -1,272 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////////
-// Copyright (C) 2016 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 //
-// //
-// 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 . //
-///////////////////////////////////////////////////////////////////////////////////
-
-#ifndef DEVICES_SDRDAEMON_SDRDAEMONFECBUFFER_H_
-#define DEVICES_SDRDAEMON_SDRDAEMONFECBUFFER_H_
-
-#include
-#include
-#include
-#include "cm256.h"
-#include "util/movingaverage.h"
-
-
-#define SDRDAEMONFEC_UDPSIZE 512 // UDP payload size
-#define SDRDAEMONSOURCE_NBORIGINALBLOCKS 128 // number of sample blocks per frame excluding FEC blocks
-#define SDRDAEMONFEC_NBDECODERSLOTS 16 // power of two sub multiple of uint16_t size. A too large one is superfluous.
-
-class SDRdaemonFECBuffer
-{
-public:
-#pragma pack(push, 1)
- struct MetaDataFEC
- {
- uint32_t m_centerFrequency; //!< 4 center frequency in kHz
- uint32_t m_sampleRate; //!< 8 sample rate in Hz
- uint8_t m_sampleBytes; //!< 9 MSB(4): indicators, LSB(4) number of bytes per sample
- uint8_t m_sampleBits; //!< 10 number of effective bits per sample
- uint8_t m_nbOriginalBlocks; //!< 11 number of blocks with original (protected) data
- uint8_t m_nbFECBlocks; //!< 12 number of blocks carrying FEC
- uint32_t m_tv_sec; //!< 16 seconds of timestamp at start time of super-frame processing
- uint32_t m_tv_usec; //!< 20 microseconds of timestamp at start time of super-frame processing
- uint32_t m_crc32; //!< 24 CRC32 of the above
-
- bool operator==(const MetaDataFEC& rhs)
- {
- return (memcmp((const void *) this, (const void *) &rhs, 12) == 0); // Only the 12 first bytes are relevant
- }
-
- void init()
- {
- memset((void *) this, 0, sizeof(MetaDataFEC));
- }
- };
-
- struct Sample
- {
- int16_t i;
- int16_t q;
- };
-
- struct Header
- {
- uint16_t frameIndex;
- uint8_t blockIndex;
- uint8_t filler;
- };
-
- static const int samplesPerBlock = (SDRDAEMONFEC_UDPSIZE - sizeof(Header)) / sizeof(Sample);
- static const int framesSize = SDRDAEMONFEC_NBDECODERSLOTS * (SDRDAEMONSOURCE_NBORIGINALBLOCKS - 1) * (SDRDAEMONFEC_UDPSIZE - sizeof(Header));
-
- struct ProtectedBlock
- {
- Sample samples[samplesPerBlock];
- };
-
- struct SuperBlock
- {
- Header header;
- ProtectedBlock protectedBlock;
- };
-#pragma pack(pop)
-
- SDRdaemonFECBuffer(uint32_t throttlems);
- ~SDRdaemonFECBuffer();
-
- // R/W operations
- void writeData(char *array); //!< Write data into buffer.
- uint8_t *readData(uint32_t length); //!< Read data from buffer
-
- // meta data
- const MetaDataFEC& getCurrentMeta() const { return m_currentMeta; }
-
- // samples timestamp
- uint32_t getTVOutSec() const { return m_tvOut_sec; }
- uint32_t getTVOutUsec() const { return m_tvOut_usec; }
-
- // stats
-
- int getCurNbBlocks() const { return m_curNbBlocks; }
- int getCurOriginalBlocks() const { return m_curOriginalBlocks; }
- int getCurNbRecovery() const { return m_curNbRecovery; }
- float getAvgNbBlocks() const { return m_avgNbBlocks; }
- float getAvgOriginalBlocks() const { return m_avgOrigBlocks; }
- float getAvgNbRecovery() const { return m_avgNbRecovery; }
-
- int getMinNbBlocks()
- {
- int minNbBlocks = m_minNbBlocks;
- m_minNbBlocks = 256;
- return minNbBlocks;
- }
-
- int getMinOriginalBlocks()
- {
- int minOriginalBlocks = m_minOriginalBlocks;
- m_minOriginalBlocks = 128;
- return minOriginalBlocks;
- }
-
- int getMaxNbRecovery()
- {
- int maxNbRecovery = m_maxNbRecovery;
- m_maxNbRecovery = 0;
- return maxNbRecovery;
- }
-
- bool allFramesDecoded()
- {
- bool framesDecoded = m_framesDecoded;
- m_framesDecoded = true;
- return framesDecoded;
- }
-
- float getBufferLengthInSecs() const { return m_bufferLenSec; }
- int32_t getRWBalanceCorrection() const { return m_balCorrection; }
-
- /** 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
- {
- if (m_framesNbBytes)
- {
- int32_t val = (m_wrDeltaEstimate * 100) / (int32_t) m_framesNbBytes;
- int32_t ret = val < 0 ? -val - 50 : 50 -val;
- return ret;
- }
- else
- {
- return 0; // default position
- }
- }
-
- static const int m_udpPayloadSize = SDRDAEMONFEC_UDPSIZE;
- static const int m_nbOriginalBlocks = SDRDAEMONSOURCE_NBORIGINALBLOCKS;
- static const int m_sampleSize;
- static const int m_iqSampleSize;
-
-private:
- static const int nbDecoderSlots = SDRDAEMONFEC_NBDECODERSLOTS;
-
-#pragma pack(push, 1)
- struct BufferFrame
- {
- ProtectedBlock m_blocks[m_nbOriginalBlocks - 1];
- };
-#pragma pack(pop)
-
- struct DecoderSlot
- {
- ProtectedBlock m_blockZero; //!< First block of a frame. Has meta data.
- ProtectedBlock m_originalBlocks[m_nbOriginalBlocks]; //!< Original blocks retrieved directly or by later FEC
- ProtectedBlock m_recoveryBlocks[m_nbOriginalBlocks]; //!< Recovery blocks (FEC blocks) with max size
- CM256::cm256_block m_cm256DescriptorBlocks[m_nbOriginalBlocks]; //!< CM256 decoder descriptors (block addresses and block indexes)
- int m_blockCount; //!< number of blocks received for this frame
- int m_originalCount; //!< number of original blocks received
- int m_recoveryCount; //!< number of recovery blocks received
- bool m_decoded; //!< true if decoded
- bool m_metaRetrieved; //!< true if meta data (block zero) was retrieved
- };
-
- MetaDataFEC m_currentMeta; //!< Stored current meta data
- CM256::cm256_encoder_params m_paramsCM256; //!< CM256 decoder parameters block
- DecoderSlot m_decoderSlots[nbDecoderSlots]; //!< CM256 decoding control/buffer slots
- BufferFrame m_frames[nbDecoderSlots]; //!< Samples buffer
- uint32_t m_framesNbBytes; //!< Number of bytes in samples buffer
- int m_decoderIndexHead; //!< index of the current head frame slot in decoding slots
- int m_frameHead; //!< index of the current head frame sent
- int m_curNbBlocks; //!< (stats) instantaneous number of blocks received
- int m_minNbBlocks; //!< (stats) minimum number of blocks received since last poll
- int m_curOriginalBlocks; //!< (stats) instantanous number of original blocks received
- int m_minOriginalBlocks; //!< (stats) minimum number of original blocks received since last poll
- int m_curNbRecovery; //!< (stats) instantaneous number of recovery blocks used
- int m_maxNbRecovery; //!< (stats) maximum number of recovery blocks used since last poll
- MovingAverage m_avgNbBlocks; //!< (stats) average number of blocks received
- MovingAverage m_avgOrigBlocks; //!< (stats) average number of original blocks received
- MovingAverage m_avgNbRecovery; //!< (stats) average number of recovery blocks used
- bool m_framesDecoded; //!< [stats] true if all frames were decoded since last poll
- int m_readIndex; //!< current byte read index in frames buffer
- int m_wrDeltaEstimate; //!< Sampled estimate of write to read indexes difference
- uint32_t m_tvOut_sec; //!< Estimated returned samples timestamp (seconds)
- uint32_t m_tvOut_usec; //!< Estimated returned samples timestamp (microseconds)
- int m_readNbBytes; //!< Nominal number of bytes per read (50ms)
-
- uint32_t m_throttlemsNominal; //!< Initial throttle in ms
- uint8_t* m_readBuffer; //!< Read buffer to hold samples when looping back to beginning of raw buffer
- uint32_t m_readSize; //!< Read buffer size
-
- float m_bufferLenSec;
-
- int m_nbReads; //!< Number of buffer reads since start of auto R/W balance correction period
- int m_nbWrites; //!< Number of buffer writes since start of auto R/W balance correction period
- int m_balCorrection; //!< R/W balance correction in number of samples
- int m_balCorrLimit; //!< Correction absolute value limit in number of samples
- CM256 m_cm256; //!< CM256 library
- bool m_cm256_OK; //!< CM256 library initialized OK
-
- inline ProtectedBlock* storeOriginalBlock(int slotIndex, int blockIndex, const ProtectedBlock& protectedBlock)
- {
- if (blockIndex == 0) {
- // m_decoderSlots[slotIndex].m_originalBlocks[0] = protectedBlock;
- // return &m_decoderSlots[slotIndex].m_originalBlocks[0];
- m_decoderSlots[slotIndex].m_blockZero = protectedBlock;
- return &m_decoderSlots[slotIndex].m_blockZero;
- } else {
- // m_decoderSlots[slotIndex].m_originalBlocks[blockIndex] = protectedBlock;
- // return &m_decoderSlots[slotIndex].m_originalBlocks[blockIndex];
- m_frames[slotIndex].m_blocks[blockIndex - 1] = protectedBlock;
- return &m_frames[slotIndex].m_blocks[blockIndex - 1];
- }
- }
-
- inline ProtectedBlock& getOriginalBlock(int slotIndex, int blockIndex)
- {
- if (blockIndex == 0) {
- // return m_decoderSlots[slotIndex].m_originalBlocks[0];
- return m_decoderSlots[slotIndex].m_blockZero;
- } else {
- // return m_decoderSlots[slotIndex].m_originalBlocks[blockIndex];
- return m_frames[slotIndex].m_blocks[blockIndex - 1];
- }
- }
-
- inline MetaDataFEC *getMetaData(int slotIndex)
- {
- // return (MetaDataFEC *) &m_decoderSlots[slotIndex].m_originalBlocks[0];
- return (MetaDataFEC *) &m_decoderSlots[slotIndex].m_blockZero;
- }
-
- inline void resetOriginalBlocks(int slotIndex)
- {
- // memset((void *) m_decoderSlots[slotIndex].m_originalBlocks, 0, m_nbOriginalBlocks * sizeof(ProtectedBlock));
- memset((void *) &m_decoderSlots[slotIndex].m_blockZero, 0, sizeof(ProtectedBlock));
- memset((void *) m_frames[slotIndex].m_blocks, 0, (m_nbOriginalBlocks - 1) * sizeof(ProtectedBlock));
- }
-
- void initDecodeAllSlots();
- void initReadIndex();
- void rwCorrectionEstimate(int slotIndex);
- void checkSlotData(int slotIndex);
- void initDecodeSlot(int slotIndex);
-
- static void printMeta(const QString& header, MetaDataFEC *metaData);
-};
-
-
-
-#endif /* DEVICES_SDRDAEMON_SDRDAEMONFECBUFFER_H_ */