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SDRdaemon plugin: auto skew correction #1

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f4exb
2016-02-22 12:10:13 +01:00
parent 2d018f7968
commit 898178bd12
3 changed files with 52 additions and 15 deletions
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plugins/samplesource/sdrdaemon/sdrdaemonbuffer.h
+10 -3
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@@ -67,6 +67,7 @@ public:
void writeData(char *array, uint32_t length); //!< Write data into buffer.
uint8_t *readDataChunk(); //!< Read a chunk of data from buffer
const MetaData& getCurrentMeta() const { return m_currentMeta; }
uint32_t getSampleRate() const { return m_sampleRate; }
void updateBlockCounts(uint32_t nbBytesReceived);
bool isSync() const { return m_sync; }
bool isSyncLocked() const { return m_syncLock; }
@@ -101,9 +102,10 @@ private:
uint32_t m_nbLz4CRCOK;
uint64_t m_dataCRC;
uint32_t m_sampleRate; //!< Current sample rate in Hz
uint8_t m_sampleBytes; //!< Current number of bytes per I or Q sample
uint8_t m_sampleBits; //!< Current number of effective bits per sample
uint32_t m_sampleRateStream; //!< Current sample rate from the stream
uint32_t m_sampleRate; //!< Current actual sample rate in Hz
uint8_t m_sampleBytes; //!< Current number of bytes per I or Q sample
uint8_t m_sampleBits; //!< Current number of effective bits per sample
uint32_t m_writeIndex; //!< Current write position in the raw samples buffer
uint32_t m_readChunkIndex; //!< Current read chunk index in the raw samples buffer
@@ -112,6 +114,11 @@ private:
uint32_t m_chunkSize; //!< Size of a chunk of samples in bytes
uint32_t m_bytesInBlock; //!< Number of bytes received in the current UDP block
uint32_t m_nbBlocks; //!< Number of UDP blocks received in the current frame
uint32_t m_readCycles; //!< Count of read cycles over raw buiffer
uint32_t m_lastWriteIndex; //!< Write index at last skew estimation
double m_skewRateSum;
double m_skewRate;
};