voicesdk::WavUtils Struct Reference

Class with some static utility functions for working with WAV-data. More...

#include <voicesdk/core/media/waveutils.h>

Static Public Member Functions
static std::vector< uint8_t >	readAsPCM16Bytes (const std::string &wavFile, size_t &sampleRate)
	Reads WAV file as a PCM16 bytes buffer (WAV file can be of any format) More...
static std::vector< int16_t >	readAsPCM16Samples (const std::string &wavFile, size_t &sampleRate)
	Reads WAV file as a PCM16 samples buffer (WAV file can be of any format) More...
static std::vector< float >	readAsFloatSamples (const std::string &wavFile, size_t &sampleRate)
	Reads WAV file as a float samples buffer (WAV file can be of any format) More...
static std::vector< float >	readAsFloatSamples16Bit (const std::string &wavFile, size_t &sampleRate)
	Reads WAV file as a float samples buffer with 16-bit precision (WAV file can be of any format) More...
static std::vector< uint8_t >	readAsPCM16Bytes (const uint8_t *data, size_t dataSize, size_t &sampleRate)
	Reads WAV file from a memory buffer as a PCM16 bytes buffer (WAV file can be of any format) More...
static std::vector< int16_t >	readAsPCM16Samples (const uint8_t *data, size_t dataSize, size_t &sampleRate)
	Reads WAV file from a memory buffer as a PCM16 samples buffer (WAV file can be of any format) More...
static std::vector< float >	readAsFloatSamples (const uint8_t *data, size_t dataSize, size_t &sampleRate)
	Reads WAV file from a memory buffer as a float samples buffer (WAV file can be of any format) More...
static std::vector< float >	readAsFloatSamples16Bit (const uint8_t *data, size_t dataSize, size_t &sampleRate)
	Reads WAV file from a memory buffer as a float samples buffer with 16-bit precision (WAV file can be of any format) More...
static AudioInfo	getAudioInfo (const std::string &wavFile)
	Returns WAV file audio info. More...
static AudioInfo	getAudioInfo (const uint8_t *data, size_t dataSize)
	Returns WAV file audio info. More...

Detailed Description

Class with some static utility functions for working with WAV-data.

Member Function Documentation

getAudioInfo() [1/2]

static AudioInfo voicesdk::WavUtils::getAudioInfo ( const std::string &  wavFile )

static

Returns WAV file audio info.

Parameters

wavFile

path to WAV file

Returns

AudioInfo struct containing audio info

Exceptions

std::runtime_error

if runtime error occurred

getAudioInfo() [2/2]

static AudioInfo voicesdk::WavUtils::getAudioInfo ( const uint8_t *  data, size_t  dataSize  )

static

Returns WAV file audio info.

Parameters

data	memory buffer containing complete WAV file contents
dataSize	memory buffer length

Returns

AudioInfo struct containing audio info

Exceptions

std::runtime_error

if runtime error occurred

readAsFloatSamples() [1/2]

static std::vector<float> voicesdk::WavUtils::readAsFloatSamples ( const std::string &  wavFile, size_t &  sampleRate  )

static

Reads WAV file as a float samples buffer (WAV file can be of any format)

Parameters

wavFile	path to WAV file
sampleRate	returns sample rate of WAV file

Returns

vector of float samples

Exceptions

std::runtime_error

if runtime error occurred

readAsFloatSamples() [2/2]

static std::vector<float> voicesdk::WavUtils::readAsFloatSamples ( const uint8_t *  data, size_t  dataSize, size_t &  sampleRate  )

static

Reads WAV file from a memory buffer as a float samples buffer (WAV file can be of any format)

Parameters

data	memory buffer containing complete WAV file contents
dataSize	memory buffer length
sampleRate	returns sample rate of WAV file

Returns

vector of float samples

Exceptions

std::runtime_error

if runtime error occurred

readAsFloatSamples16Bit() [1/2]

static std::vector<float> voicesdk::WavUtils::readAsFloatSamples16Bit ( const std::string &  wavFile, size_t &  sampleRate  )

static

Reads WAV file as a float samples buffer with 16-bit precision (WAV file can be of any format)

Parameters

wavFile	path to WAV file
sampleRate	returns sample rate of WAV file

Returns

vector of float samples with 16-bit precision

Exceptions

std::runtime_error

if runtime error occurred

readAsFloatSamples16Bit() [2/2]

static std::vector<float> voicesdk::WavUtils::readAsFloatSamples16Bit ( const uint8_t *  data, size_t  dataSize, size_t &  sampleRate  )

static

Reads WAV file from a memory buffer as a float samples buffer with 16-bit precision (WAV file can be of any format)

Parameters

data	memory buffer containing complete WAV file contents
dataSize	memory buffer length
sampleRate	returns sample rate of WAV file

Returns

vector of float samples with 16-bit precision

Exceptions

std::runtime_error

if runtime error occurred

readAsPCM16Bytes() [1/2]

static std::vector<uint8_t> voicesdk::WavUtils::readAsPCM16Bytes ( const std::string &  wavFile, size_t &  sampleRate  )

static

Reads WAV file as a PCM16 bytes buffer (WAV file can be of any format)

Parameters

wavFile	path to WAV file
sampleRate	returns sample rate of WAV file

Returns

vector of bytes, containing little-endian PCM16 samples

Exceptions

std::runtime_error

if runtime error occurred

readAsPCM16Bytes() [2/2]

static std::vector<uint8_t> voicesdk::WavUtils::readAsPCM16Bytes ( const uint8_t *  data, size_t  dataSize, size_t &  sampleRate  )

static

Reads WAV file from a memory buffer as a PCM16 bytes buffer (WAV file can be of any format)

Parameters

data	memory buffer containing complete WAV file contents
dataSize	memory buffer length
sampleRate	returns sample rate of WAV file

Returns

vector of bytes, containing little-endian PCM16 samples

Exceptions

std::runtime_error

if runtime error occurred

readAsPCM16Samples() [1/2]

static std::vector<int16_t> voicesdk::WavUtils::readAsPCM16Samples ( const std::string &  wavFile, size_t &  sampleRate  )

static

Reads WAV file as a PCM16 samples buffer (WAV file can be of any format)

Parameters

wavFile	path to WAV file
sampleRate	returns sample rate of WAV file

Returns

vector of PCM16 samples

Exceptions

std::runtime_error

if runtime error occurred

readAsPCM16Samples() [2/2]

static std::vector<int16_t> voicesdk::WavUtils::readAsPCM16Samples ( const uint8_t *  data, size_t  dataSize, size_t &  sampleRate  )

static

Reads WAV file from a memory buffer as a PCM16 samples buffer (WAV file can be of any format)

Parameters

data	memory buffer containing complete WAV file contents
dataSize	memory buffer length
sampleRate	returns sample rate of WAV file

Returns

vector of PCM16 samples

Exceptions

std::runtime_error

if runtime error occurred