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SDRdaemonFEC support: debug (6). Corrected meta data processing

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This commit is contained in:
f4exb 2016-06-23 00:58:07 +02:00
parent 3e388987c8
commit 278f085dbc
2 changed files with 17 additions and 9 deletions
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18
plugins/samplesource/sdrdaemonfec/sdrdaemonfecbuffer.cpp
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@ -67,6 +67,7 @@ void SDRdaemonFECBuffer::initDecodeAllSlots()
m_decoderSlots[i].m_blockCount = 0;
m_decoderSlots[i].m_recoveryCount = 0;
m_decoderSlots[i].m_decoded = false;
m_decoderSlots[i].m_metaRetrieved = false;
m_decoderSlots[i].m_blockZero.m_metaData.init();
}
}
@ -82,10 +83,10 @@ void SDRdaemonFECBuffer::initDecodeSlot(int slotIndex)
int pseudoWriteIndex = slotIndex * sizeof(BufferFrame);
m_wrDeltaEstimate = pseudoWriteIndex - m_readIndex;
if (m_decoderSlots[slotIndex].m_blockZero.m_metaData.m_nbFECBlocks < 0) { // meta data invalid
m_outputMeta = m_currentMeta; // use current meta
} else {
if (m_decoderSlots[slotIndex].m_metaRetrieved) { // meta data was retrieved in the current slot
m_outputMeta = m_decoderSlots[slotIndex].m_blockZero.m_metaData;
} else {
m_outputMeta = m_currentMeta; // use stored current meta
}
// collect stats before voiding the slot
@ -97,6 +98,7 @@ void SDRdaemonFECBuffer::initDecodeSlot(int slotIndex)
m_decoderSlots[slotIndex].m_blockCount = 0;
m_decoderSlots[slotIndex].m_recoveryCount = 0;
m_decoderSlots[slotIndex].m_decoded = false;
m_decoderSlots[slotIndex].m_metaRetrieved = false;
m_decoderSlots[slotIndex].m_blockZero.m_metaData.init();
memset((void *) m_decoderSlots[slotIndex].m_blockZero.m_samples, 0, samplesPerBlockZero * sizeof(Sample));
memset((void *) m_frames[slotIndex].m_blocks, 0, (m_nbOriginalBlocks - 1) * samplesPerBlock * sizeof(Sample));
@ -171,6 +173,7 @@ void SDRdaemonFECBuffer::writeData(char *array, uint32_t length)
{
SuperBlockZero *superBlockZero = (SuperBlockZero *) array;
m_decoderSlots[decoderIndex].m_blockZero = superBlockZero->protectedBlock;
m_decoderSlots[decoderIndex].m_metaRetrieved = true;
m_decoderSlots[decoderIndex].m_cm256DescriptorBlocks[blockHead].Block = (void *) &m_decoderSlots[decoderIndex].m_blockZero;
memcpy((void *) m_frames[decoderIndex].m_blockZero.m_samples,
(const void *) m_decoderSlots[decoderIndex].m_blockZero.m_samples,
@ -192,13 +195,13 @@ void SDRdaemonFECBuffer::writeData(char *array, uint32_t length)
}
else if (!m_decoderSlots[decoderIndex].m_decoded) // ready to decode
{
if (m_decoderSlots[decoderIndex].m_blockZero.m_metaData.m_nbFECBlocks < 0) // block zero has not been received
if (m_decoderSlots[decoderIndex].m_metaRetrieved) // block zero with its meta data has been received
{
m_paramsCM256.RecoveryCount = m_currentMeta.m_nbFECBlocks; // take last value for number of FEC blocks
m_paramsCM256.RecoveryCount = m_decoderSlots[decoderIndex].m_blockZero.m_metaData.m_nbFECBlocks;
}
else
{
m_paramsCM256.RecoveryCount = m_decoderSlots[decoderIndex].m_blockZero.m_metaData.m_nbFECBlocks;
m_paramsCM256.RecoveryCount = m_currentMeta.m_nbFECBlocks; // take last stored value for number of FEC blocks
}
if (m_decoderSlots[decoderIndex].m_recoveryCount > 0) // recovery data used
@ -223,6 +226,7 @@ void SDRdaemonFECBuffer::writeData(char *array, uint32_t length)
{
ProtectedBlockZero *recoveredBlockZero = (ProtectedBlockZero *) &m_decoderSlots[decoderIndex].m_recoveryBlocks[ir];
m_decoderSlots[decoderIndex].m_blockZero.m_metaData = recoveredBlockZero->m_metaData;
m_decoderSlots[decoderIndex].m_metaRetrieved = true;
memcpy((void *) m_frames[decoderIndex].m_blockZero.m_samples,
(const void *) recoveredBlockZero->m_samples,
samplesPerBlockZero * sizeof(Sample));
@ -237,7 +241,7 @@ void SDRdaemonFECBuffer::writeData(char *array, uint32_t length)
//printMeta("SDRdaemonFECBuffer::writeData", &m_decoderSlots[decoderIndex].m_blockZero.m_metaData);
if (m_decoderSlots[decoderIndex].m_blockZero.m_metaData.m_nbFECBlocks >= 0) // meta data valid
if (m_decoderSlots[decoderIndex].m_metaRetrieved) // meta data has been retrieved (direct or recovery)
{
if (!(m_decoderSlots[decoderIndex].m_blockZero.m_metaData == m_currentMeta))
{

8
plugins/samplesource/sdrdaemonfec/sdrdaemonfecbuffer.h
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@ -18,6 +18,7 @@
#define PLUGINS_SAMPLESOURCE_SDRDAEMONFEC_SDRDAEMONFECBUFFER_H_
#include <QString>
#include <QDebug>
#include <cstdlib>
#include "cm256.h"
#include "util/movingaverage.h"
@ -50,7 +51,6 @@ public:
void init()
{
memset((void *) this, 0, sizeof(MetaDataFEC));
m_nbFECBlocks = -1;
}
};
@ -123,8 +123,11 @@ public:
if (m_framesNbBytes)
{
int32_t val = (m_wrDeltaEstimate * 100) / (int32_t) m_framesNbBytes;
int32_t ret = val < 0 ? -val - 50 : 50 -val;
int32_t rp = (m_readIndex * 100) / (int32_t) m_framesNbBytes;
//qDebug() << "getBufferLengthInSecs: " << val << ":" << ret << ":" << rp;
// conversion: [-100:-50[ : read leads (+) / [-50:0[ : read lags (-) / [0:50[ : read leads (+) / [50:100{ : read lags (-)
return val < 0 ? -val - 50 : 50 -val;
return ret;
}
else
{
@ -162,6 +165,7 @@ private:
int m_blockCount; //!< total number of blocks received for this frame
int m_recoveryCount; //!< number of recovery blocks received
bool m_decoded; //!< true if decoded
bool m_metaRetrieved;
};
MetaDataFEC m_currentMeta; //!< Stored current meta data