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SDRdaemon plugin: fixed LZ4 writes and uncompressed writes

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This commit is contained in:
f4exb 2016-02-23 01:29:03 +01:00
parent 501b14d1e7
commit 942a7ca803
2 changed files with 19 additions and 24 deletions
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41
plugins/samplesource/sdrdaemon/sdrdaemonbuffer.cpp
View File

@ -96,7 +96,7 @@ bool SDRdaemonBuffer::readMeta(char *array, uint32_t length)
m_nbBlocks = 0; m_nbBlocks = 0;
m_inCount = 0; m_inCount = 0;
if (!(m_currentMeta == *metaData)) if (!m_lz4 && !(m_currentMeta == *metaData))
{ {
std::cerr << "SDRdaemonBuffer::readMeta: "; std::cerr << "SDRdaemonBuffer::readMeta: ";
printMeta(metaData); printMeta(metaData);
@ -203,23 +203,7 @@ void SDRdaemonBuffer::writeDataLZ4(const char *array, uint32_t length)
m_nbLz4CRCOK = 0; m_nbLz4CRCOK = 0;
} }
uint64_t crc64 = m_crc64.calculate_crc(m_lz4InBuffer, m_lz4InSize); writeToRawBufferLZ4();
if (memcmp(&crc64, &m_dataCRC, 8) == 0)
{
m_nbLz4CRCOK++;
}
int compressedSize = LZ4_decompress_fast((const char*) m_lz4InBuffer, (char*) &m_rawBuffer[m_writeIndex], m_frameSize);
m_nbLz4Decodes++;
if (compressedSize == m_lz4InSize)
{
m_nbLz4SuccessfulDecodes++;
}
writeToRawBufferLZ4((const char *) m_lz4InBuffer, m_frameSize);
m_lz4InCount = 0; m_lz4InCount = 0;
} }
} }
@ -235,22 +219,33 @@ void SDRdaemonBuffer::writeToRawBufferUncompressed(const char *array, uint32_t l
else else
{ {
std::memcpy((void *) &m_rawBuffer[m_writeIndex], (const void *) array, m_rawSize - m_writeIndex); std::memcpy((void *) &m_rawBuffer[m_writeIndex], (const void *) array, m_rawSize - m_writeIndex);
m_writeIndex = length - (m_rawSize - m_writeIndex); length -= m_rawSize - m_writeIndex;
std::memcpy((void *) m_rawBuffer, (const void *) &array[m_rawSize - m_writeIndex], m_writeIndex); std::memcpy((void *) m_rawBuffer, (const void *) &array[m_rawSize - m_writeIndex], length);
m_writeIndex = length;
} }
} }
void SDRdaemonBuffer::writeToRawBufferLZ4(const char *array, uint32_t length) void SDRdaemonBuffer::writeToRawBufferLZ4()
{ {
uint64_t crc64 = m_crc64.calculate_crc(m_lz4InBuffer, m_lz4InSize);
if (memcmp(&crc64, &m_dataCRC, 8) == 0)
{
m_nbLz4CRCOK++;
}
else
{
return;
}
int compressedSize = LZ4_decompress_fast((const char*) m_lz4InBuffer, (char*) m_lz4OutBuffer, m_frameSize); int compressedSize = LZ4_decompress_fast((const char*) m_lz4InBuffer, (char*) m_lz4OutBuffer, m_frameSize);
m_nbLz4Decodes++; m_nbLz4Decodes++;
if (compressedSize == m_lz4InSize) if (compressedSize == m_lz4InSize)
{ {
m_nbLz4SuccessfulDecodes++; m_nbLz4SuccessfulDecodes++;
writeToRawBufferUncompressed((const char *) m_lz4OutBuffer, m_frameSize);
} }
writeToRawBufferUncompressed((const char *) m_lz4OutBuffer, m_frameSize);
} }
uint8_t *SDRdaemonBuffer::readDataChunk() uint8_t *SDRdaemonBuffer::readDataChunk()

2
plugins/samplesource/sdrdaemon/sdrdaemonbuffer.h
View File

@ -80,7 +80,7 @@ public:
private: private:
void updateLZ4Sizes(uint32_t frameSize); void updateLZ4Sizes(uint32_t frameSize);
void writeDataLZ4(const char *array, uint32_t length); void writeDataLZ4(const char *array, uint32_t length);
void writeToRawBufferLZ4(const char *array, uint32_t originalLength); void writeToRawBufferLZ4();
void writeToRawBufferUncompressed(const char *array, uint32_t length); void writeToRawBufferUncompressed(const char *array, uint32_t length);
void updateBufferSize(uint32_t sampleRate); void updateBufferSize(uint32_t sampleRate);
void printMeta(MetaData *metaData); void printMeta(MetaData *metaData);