BdsApi
2.0.11
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This class implements the TapeDigitiser's file output conversion and storeing system. More...
#include <BdsDataFileTapeDigitiser.h>
Public Member Functions | |
DataFileTapeDigitiser () | |
BError | open (BString fileName, BString mode) |
Open the file for reading or writing. More... | |
BError | getInfo (DataInfo &dataInfo, DataFileOptions options, BList< DataError > &errors) |
Get info on data. More... | |
BError | readData (BUInt32 channel, BUInt segment, BUInt32 blockNumber, DataBlock &data) |
Read a block. More... | |
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DataFile () | |
virtual | ~DataFile () |
virtual void | init () |
Initialise. More... | |
virtual BError | close () |
Close the file. More... | |
virtual BError | setFormat (BString format) |
Set the sub-format. More... | |
virtual BString | getFileName () |
Return the file name. More... | |
virtual DataOrder | getDataOrder () |
Get the expected order of writing data, by sample or by channel. More... | |
virtual int | getFeatures () |
Get bitmask of supported features. More... | |
virtual BError | setInfo (DataInfo &dataInfo, ChannelInfos &channelInfos, WriteOptionsList options=WriteOptionNone) |
Set information on data for write. More... | |
virtual BError | start (BUInt channel, BUInt segment) |
Start next segment of data. More... | |
virtual BError | writeData (DataBlock &data) |
Write a block of data. More... | |
virtual BError | end () |
End segment. More... | |
virtual BError | fileNameProcess () |
Parse the file name for a date/time. More... | |
virtual BError | getFormat (BString &format) |
Get sub-format. More... | |
virtual BError | seekBlock (BUInt32 channel, BUInt segment, BTimeStamp time, BUInt32 &blockNumber, BUInt64 &sampleNumber, DataBlock &data) |
Find requested block on given channel given a time. More... | |
virtual BError | getMetaData (ChannelInfos &channelInfos) |
Return all known MetaData in the file. More... | |
void | dataErrorFixup (DataInfo &dataInfo, BList< DataError > &errors) |
Fixup data errors, mainly start/end times to be within data. More... | |
BInt64 | timeCompare (BTimeStamp t1, BTimeStamp t2, BUInt diff) |
Compare timestamps with a margin. More... | |
int | duplicateCheck (DataBlock &data1, DataBlock &data2, BUInt channel=0) |
Check if blocks are duplicates. More... | |
BUInt64 | getFilePosition () |
Static Public Member Functions | |
static DataFormat | getFormats () |
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static DataFormat | getFormats () |
Get list of supported formats. More... | |
Private Member Functions | |
uint32_t | blockSize () |
Returns the data block size in bytes. More... | |
uint32_t | blockNumSamples () |
Returns the number of samples of data in a block. More... | |
BError | readHeader (BDictString &header) |
Read the file header info. More... | |
uint32_t | computeChecksum (void *data, int nBytes) |
Private Attributes | |
BDictString | oheader |
off64_t | oheaderSize |
uint32_t | oblockSize |
uint32_t | oblockNumSamples |
double | osampleRate |
BBuffer | obuffer |
Data block buffer. More... | |
BString | oversion |
DataInfo | odataInfo |
Additional Inherited Members | |
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enum | DataOrder { DataOrderUnknown, DataOrderAll, DataOrderSample, DataOrderChannel } |
enum | Features { FeatureNone = 0x00, FeatureCanWrite = 0x01, FeatureCanRead = 0x02 } |
enum | WriteOptionsList { WriteOptionNone = 0x00, WriteOptionSensorData = 0x01, WriteOptionNoMetadata = 0x02 } |
enum | ReadOptionsList { ReadOptionNone = 0x00, ReadOptionValidate = 0x01, ReadOptionFileNameProcess = 0x02, ReadOptionValidateCorruptions = 0x04, ReadOptionReorder = 0x08, ReadOptionDeleteDuplicates = 0x10, ReadOptionInfoExtra = 0x20, ReadOptionIgnoreSamplerate = 0x40, ReadOptionPrintBlocks = 0x80 } |
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BString | ofileName |
BString | omode |
BTimeStamp | ofileNameTime |
BFile | ofile |
BString | oformat |
This class implements the TapeDigitiser's file output conversion and storeing system.
Bds::DataFileTapeDigitiser::DataFileTapeDigitiser | ( | ) |
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Returns the number of samples of data in a block.
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Returns the data block size in bytes.
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Get info on data.
Reimplemented from Bds::DataFile.
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Open the file for reading or writing.
Reimplemented from Bds::DataFile.
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Read a block.
Reimplemented from Bds::DataFile.
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Read the file header info.
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Data block buffer.
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