#include <portaudio_io.h>

Classes
struct	paDevice

Public Types
enum	StandardDevices { DeviceNone = -2 , DeviceDefault = -1 }

Public Member Functions
	PortAudioIO (void)

	~PortAudioIO (void)

void	host_api_list (std::vector< std::string > &)

bool	set_host_api (const std::string &host_api_name)

std::string	get_host_api () const

PaHostApiTypeId	get_current_host_api_type () const

PaHostApiIndex	get_host_api_index_from_name (const std::string &name)

PaDeviceIndex	get_default_input_device () const

PaDeviceIndex	get_default_output_device () const

bool	update_devices ()

void	input_device_list (std::map< int, std::string > &devices) const

void	output_device_list (std::map< int, std::string > &devices) const

int	available_sample_rates (int device_id, std::vector< float > &sample_rates)

int	available_buffer_sizes (int device_id, std::vector< uint32_t > &buffer_sizes)

std::string	control_app_name (int device_id) const

void	launch_control_app (int device_id)

PaErrorCode	open_blocking_stream (int device_input, int device_output, double sample_rate, uint32_t samples_per_period)

PaErrorCode	open_callback_stream (int device_input, int device_output, double sample_rate, uint32_t samples_per_period, PaStreamCallback callback, void data)

PaErrorCode	start_stream (void)

PaErrorCode	close_stream (void)

uint32_t	n_playback_channels (void) const

uint32_t	n_capture_channels (void) const

std::string	get_input_channel_name (int device_id, uint32_t channel) const

std::string	get_output_channel_name (int device_id, uint32_t channel) const

double	sample_rate (void) const

uint32_t	capture_latency (void) const

uint32_t	playback_latency (void) const

double	stream_time (void) const

int	next_cycle (uint32_t n_samples)

int	get_capture_channel (uint32_t chn, float *input, uint32_t n_samples)

int	set_playback_channel (uint32_t chn, const float *input, uint32_t n_samples)

float *	get_capture_buffer ()

float *	get_playback_buffer ()

Private Member Functions
void	clear_device_lists ()

void	add_none_devices ()

void	add_default_devices ()

void	add_devices ()

std::string	get_host_api_name_from_index (PaHostApiIndex index)

bool	get_output_stream_params (int device_output, PaStreamParameters &outputParam) const

bool	get_input_stream_params (int device_input, PaStreamParameters &inputParam) const

bool	set_sample_rate_and_latency_from_stream ()

bool	allocate_buffers_for_blocking_api (uint32_t samples_per_period)

PaErrorCode	pre_stream_open (int device_input, PaStreamParameters &inputParam, int device_output, PaStreamParameters &outputParam, uint32_t sample_rate, uint32_t samples_per_period)

void	reset_stream_dependents ()

Static Private Member Functions
static bool	pa_initialize ()

static bool	pa_deinitialize ()

static bool &	pa_initialized ()

static void	get_default_sample_rates (std::vector< float > &)

static void	get_default_buffer_sizes (std::vector< uint32_t > &)

Private Attributes
uint32_t	_capture_channels

uint32_t	_playback_channels

PaStream *	_stream

float *	_input_buffer

float *	_output_buffer

double	_cur_sample_rate

uint32_t	_cur_input_latency

uint32_t	_cur_output_latency

std::map< int, paDevice * >	_input_devices

std::map< int, paDevice * >	_output_devices

PaHostApiIndex	_host_api_index

std::string	_host_api_name

Detailed Description

Definition at line 32 of file portaudio_io.h.

Member Enumeration Documentation

◆ StandardDevices

enum ARDOUR::PortAudioIO::StandardDevices

Enumerator
DeviceNone
DeviceDefault

Definition at line 37 of file portaudio_io.h.

Constructor & Destructor Documentation

◆ PortAudioIO()

ARDOUR::PortAudioIO::PortAudioIO ( void )

◆ ~PortAudioIO()

ARDOUR::PortAudioIO::~PortAudioIO ( void )

Member Function Documentation

◆ add_default_devices()

void ARDOUR::PortAudioIO::add_default_devices ( )

private

◆ add_devices()

void ARDOUR::PortAudioIO::add_devices ( )

private

◆ add_none_devices()

void ARDOUR::PortAudioIO::add_none_devices ( )

private

◆ allocate_buffers_for_blocking_api()

bool ARDOUR::PortAudioIO::allocate_buffers_for_blocking_api ( uint32_t samples_per_period )

private

◆ available_buffer_sizes()

int ARDOUR::PortAudioIO::available_buffer_sizes	(	int	device_id,
		std::vector< uint32_t > &	buffer_sizes
	)

◆ available_sample_rates()

int ARDOUR::PortAudioIO::available_sample_rates	(	int	device_id,
		std::vector< float > &	sample_rates
	)

◆ capture_latency()

uint32_t ARDOUR::PortAudioIO::capture_latency ( void ) const

inline

Definition at line 96 of file portaudio_io.h.

◆ clear_device_lists()

void ARDOUR::PortAudioIO::clear_device_lists ( )

private

◆ close_stream()

PaErrorCode ARDOUR::PortAudioIO::close_stream ( void )

◆ control_app_name()

std::string ARDOUR::PortAudioIO::control_app_name ( int device_id ) const

◆ get_capture_buffer()

float* ARDOUR::PortAudioIO::get_capture_buffer ( )

inline

Definition at line 104 of file portaudio_io.h.

◆ get_capture_channel()

int ARDOUR::PortAudioIO::get_capture_channel	(	uint32_t	chn,
		float *	input,
		uint32_t	n_samples
	)

◆ get_current_host_api_type()

PaHostApiTypeId ARDOUR::PortAudioIO::get_current_host_api_type ( ) const

◆ get_default_buffer_sizes()

static void ARDOUR::PortAudioIO::get_default_buffer_sizes ( std::vector< uint32_t > & )

staticprivate

◆ get_default_input_device()

PaDeviceIndex ARDOUR::PortAudioIO::get_default_input_device ( ) const

◆ get_default_output_device()

PaDeviceIndex ARDOUR::PortAudioIO::get_default_output_device ( ) const

◆ get_default_sample_rates()

static void ARDOUR::PortAudioIO::get_default_sample_rates ( std::vector< float > & )

staticprivate

◆ get_host_api()

std::string ARDOUR::PortAudioIO::get_host_api ( ) const

inline

Definition at line 44 of file portaudio_io.h.

◆ get_host_api_index_from_name()

PaHostApiIndex ARDOUR::PortAudioIO::get_host_api_index_from_name ( const std::string & name )

◆ get_host_api_name_from_index()

std::string ARDOUR::PortAudioIO::get_host_api_name_from_index ( PaHostApiIndex index )

private

◆ get_input_channel_name()

std::string ARDOUR::PortAudioIO::get_input_channel_name	(	int	device_id,
		uint32_t	channel
	)		const

◆ get_input_stream_params()

bool ARDOUR::PortAudioIO::get_input_stream_params	(	int	device_input,
		PaStreamParameters &	inputParam
	)		const

private

◆ get_output_channel_name()

std::string ARDOUR::PortAudioIO::get_output_channel_name	(	int	device_id,
		uint32_t	channel
	)		const

◆ get_output_stream_params()

bool ARDOUR::PortAudioIO::get_output_stream_params	(	int	device_output,
		PaStreamParameters &	outputParam
	)		const

private

◆ get_playback_buffer()

float* ARDOUR::PortAudioIO::get_playback_buffer ( )

inline

Definition at line 105 of file portaudio_io.h.

◆ host_api_list()

void ARDOUR::PortAudioIO::host_api_list ( std::vector< std::string > & )

◆ input_device_list()

void ARDOUR::PortAudioIO::input_device_list ( std::map< int, std::string > & devices ) const

◆ launch_control_app()

void ARDOUR::PortAudioIO::launch_control_app ( int device_id )

◆ n_capture_channels()

uint32_t ARDOUR::PortAudioIO::n_capture_channels ( void ) const

inline

Definition at line 90 of file portaudio_io.h.

◆ n_playback_channels()

uint32_t ARDOUR::PortAudioIO::n_playback_channels ( void ) const

inline

Definition at line 89 of file portaudio_io.h.

◆ next_cycle()

int ARDOUR::PortAudioIO::next_cycle ( uint32_t n_samples )

◆ open_blocking_stream()

PaErrorCode ARDOUR::PortAudioIO::open_blocking_stream	(	int	device_input,
		int	device_output,
		double	sample_rate,
		uint32_t	samples_per_period
	)

◆ open_callback_stream()

PaErrorCode ARDOUR::PortAudioIO::open_callback_stream	(	int	device_input,
		int	device_output,
		double	sample_rate,
		uint32_t	samples_per_period,
		PaStreamCallback *	callback,
		void *	data
	)

◆ output_device_list()

void ARDOUR::PortAudioIO::output_device_list ( std::map< int, std::string > & devices ) const

◆ pa_deinitialize()

static bool ARDOUR::PortAudioIO::pa_deinitialize ( )

staticprivate

◆ pa_initialize()

static bool ARDOUR::PortAudioIO::pa_initialize ( )

staticprivate

◆ pa_initialized()

static bool& ARDOUR::PortAudioIO::pa_initialized ( )

staticprivate

◆ playback_latency()

uint32_t ARDOUR::PortAudioIO::playback_latency ( void ) const

inline

Definition at line 97 of file portaudio_io.h.

◆ pre_stream_open()

PaErrorCode ARDOUR::PortAudioIO::pre_stream_open	(	int	device_input,
		PaStreamParameters &	inputParam,
		int	device_output,
		PaStreamParameters &	outputParam,
		uint32_t	sample_rate,
		uint32_t	samples_per_period
	)

private

◆ reset_stream_dependents()

void ARDOUR::PortAudioIO::reset_stream_dependents ( )

private

◆ sample_rate()

double ARDOUR::PortAudioIO::sample_rate ( void ) const

inline

Definition at line 95 of file portaudio_io.h.

◆ set_host_api()

bool ARDOUR::PortAudioIO::set_host_api ( const std::string & host_api_name )

◆ set_playback_channel()

int ARDOUR::PortAudioIO::set_playback_channel	(	uint32_t	chn,
		const float *	input,
		uint32_t	n_samples
	)

◆ set_sample_rate_and_latency_from_stream()

bool ARDOUR::PortAudioIO::set_sample_rate_and_latency_from_stream ( )

private

◆ start_stream()

PaErrorCode ARDOUR::PortAudioIO::start_stream ( void )

◆ stream_time()

double ARDOUR::PortAudioIO::stream_time ( void ) const

inline

Definition at line 98 of file portaudio_io.h.

◆ update_devices()

bool ARDOUR::PortAudioIO::update_devices ( )

Member Data Documentation

◆ _capture_channels

uint32_t ARDOUR::PortAudioIO::_capture_channels

private

Definition at line 140 of file portaudio_io.h.

◆ _cur_input_latency

uint32_t ARDOUR::PortAudioIO::_cur_input_latency

private

Definition at line 149 of file portaudio_io.h.

◆ _cur_output_latency

uint32_t ARDOUR::PortAudioIO::_cur_output_latency

private

Definition at line 150 of file portaudio_io.h.

◆ _cur_sample_rate

double ARDOUR::PortAudioIO::_cur_sample_rate

private

Definition at line 148 of file portaudio_io.h.

◆ _host_api_index

PaHostApiIndex ARDOUR::PortAudioIO::_host_api_index

private

Definition at line 167 of file portaudio_io.h.

◆ _host_api_name

std::string ARDOUR::PortAudioIO::_host_api_name

private

Definition at line 168 of file portaudio_io.h.

◆ _input_buffer

float* ARDOUR::PortAudioIO::_input_buffer

private

Definition at line 145 of file portaudio_io.h.

◆ _input_devices

std::map<int, paDevice *> ARDOUR::PortAudioIO::_input_devices

private

Definition at line 164 of file portaudio_io.h.

◆ _output_buffer

float* ARDOUR::PortAudioIO::_output_buffer

private

Definition at line 146 of file portaudio_io.h.

◆ _output_devices

std::map<int, paDevice *> ARDOUR::PortAudioIO::_output_devices

private

Definition at line 165 of file portaudio_io.h.

◆ _playback_channels

uint32_t ARDOUR::PortAudioIO::_playback_channels

private

Definition at line 141 of file portaudio_io.h.

◆ _stream

PaStream* ARDOUR::PortAudioIO::_stream

private

Definition at line 143 of file portaudio_io.h.

The documentation for this class was generated from the following file:

portaudio_io.h

Classes

Public Types

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

◆ StandardDevices

Constructor & Destructor Documentation

◆ PortAudioIO()

◆ ~PortAudioIO()

Member Function Documentation

◆ add_default_devices()

◆ add_devices()

◆ add_none_devices()

◆ allocate_buffers_for_blocking_api()

◆ available_buffer_sizes()

◆ available_sample_rates()

◆ capture_latency()

◆ clear_device_lists()

◆ close_stream()

◆ control_app_name()

◆ get_capture_buffer()

◆ get_capture_channel()

◆ get_current_host_api_type()

◆ get_default_buffer_sizes()

◆ get_default_input_device()

◆ get_default_output_device()

◆ get_default_sample_rates()

◆ get_host_api()

◆ get_host_api_index_from_name()

◆ get_host_api_name_from_index()

◆ get_input_channel_name()

◆ get_input_stream_params()

◆ get_output_channel_name()

◆ get_output_stream_params()

◆ get_playback_buffer()

◆ host_api_list()

◆ input_device_list()

◆ launch_control_app()

◆ n_capture_channels()

◆ n_playback_channels()

◆ next_cycle()

◆ open_blocking_stream()

◆ open_callback_stream()

◆ output_device_list()

◆ pa_deinitialize()

◆ pa_initialize()

◆ pa_initialized()

◆ playback_latency()

◆ pre_stream_open()

◆ reset_stream_dependents()

◆ sample_rate()

◆ set_host_api()

◆ set_playback_channel()

◆ set_sample_rate_and_latency_from_stream()

◆ start_stream()

◆ stream_time()

◆ update_devices()

Member Data Documentation

◆ _capture_channels

◆ _cur_input_latency

◆ _cur_output_latency

◆ _cur_sample_rate

◆ _host_api_index

◆ _host_api_name

◆ _input_buffer

◆ _input_devices

◆ _output_buffer

◆ _output_devices

◆ _playback_channels

◆ _stream