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SDRdaemonFEC support. auto R/W correction (1)

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This commit is contained in:
f4exb 2016-07-12 08:52:38 +02:00
parent 6540979108
commit 95804345d5
3 changed files with 8 additions and 6 deletions
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8
plugins/samplesource/sdrdaemonfec/sdrdaemonfecbuffer.cpp
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@ -74,6 +74,9 @@ void SDRdaemonFECBuffer::initReadIndex()
void SDRdaemonFECBuffer::checkSlotData(int slotIndex)
{
int pseudoWriteIndex = slotIndex * sizeof(BufferFrame);
m_wrDeltaEstimate = pseudoWriteIndex - m_readIndex;
if (!m_decoderSlots[slotIndex].m_decoded)
//if (m_decoderSlots[slotIndex].m_blockCount < m_nbOriginalBlocks)
{
@ -91,7 +94,7 @@ void SDRdaemonFECBuffer::checkSlotData(int slotIndex)
int sampleRate = metaData->m_sampleRate;
if (sampleRate > 0) {
m_bufferLenSec = (float) m_framesNbBytes / (float) sampleRate;
m_bufferLenSec = (float) m_framesNbBytes / (float) (sampleRate * m_iqSampleSize);
}
printMeta("SDRdaemonFECBuffer::checkSlotData: new meta", metaData); // print for change other than timestamp
@ -103,9 +106,6 @@ void SDRdaemonFECBuffer::checkSlotData(int slotIndex)
void SDRdaemonFECBuffer::initDecodeSlot(int slotIndex)
{
int pseudoWriteIndex = slotIndex * sizeof(BufferFrame);
m_wrDeltaEstimate = pseudoWriteIndex - m_readIndex;
// collect stats before voiding the slot
m_curNbBlocks = m_decoderSlots[slotIndex].m_blockCount;
m_curNbRecovery = m_decoderSlots[slotIndex].m_recoveryCount;

4
plugins/samplesource/sdrdaemonfec/sdrdaemonfecbuffer.h
View File

@ -98,8 +98,8 @@ public:
float getAvgNbBlocks() const { return m_avgNbBlocks; }
float getAvgNbRecovery() const { return m_avgNbRecovery; }
float getBufferLengthInSecs() const { return m_bufferLenSec; }
int32_t getRWBalanceCorrection(int throttlems) const { return m_balCorrection; }
/** Get buffer gauge value in % of buffer size ([-50:50])
* [-50:0] : write leads or read lags
@ -168,11 +168,13 @@ private:
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
int32_t m_balCorrection; //!< R/W balance correction in number of samples per nominal tick period
float m_bufferLenSec;
void initDecodeAllSlots();
void initReadIndex();
void rwSkewEstimate(int slotIndex);
void checkSlotData(int slotIndex);
void initDecodeSlot(int slotIndex);

2
plugins/samplesource/sdrdaemonfec/sdrdaemonfecudphandler.cpp
View File

@ -49,7 +49,7 @@ SDRdaemonFECUDPHandler::SDRdaemonFECUDPHandler(SampleFifo *sampleFifo, MessageQu
m_readLength(0),
m_throttleToggle(false),
m_rateDivider(1000/SDRDAEMONFEC_THROTTLE_MS),
m_autoCorrBuffer(false)
m_autoCorrBuffer(true)
{
m_udpBuf = new char[SDRdaemonFECBuffer::m_udpPayloadSize];
}