dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t > Class Template Reference

CoreAudio client device. More...

#include <dx_coreaudio_device.h>

Inheritance diagram for dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >:

Collaboration diagram for dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >:

Classes
class	clocksource
	the clock source as the HAL models it: a selector control object beside the device, its current item an ::AudioObjectID. The promoted carries the index into the available items instead, which is what a desc's clock settings are numbered by More...
class	icon
	the device's icon as a file system path; the HAL states it as a URL More...

Public Types
typedef desc_t	desc_t
typedef event	event_t
typedef promoted< uint32_t >::template preference< decltype(dx::device<::AudioObjectID, preference_t >::preference)>	source_t
typedef stream_t	stream_t

Public Member Functions
	_device (decltype(super::driver)&driver, decltype(super::id)&id)
void	attach (channel_t **io[dx::stream::direction::directions][2], const std::vector< bool >(&channel_map)[2])
void	conclude () noexcept override
	ends every group's session before the device's resources go; the start counts stay with their holders
void	exception (const dx::exception &exception, bool filtered=false) const noexcept override
	notification exception handler
virtual uint64_t	frame () const
virtual bool	hw_clock () const noexcept
virtual void	hw_clock (abstract::event *hw_clock, uint32_t iosize)
	registers a consumer with the device's clock: it is signalled every iosize samples of the clock's own advance. A bus whose driver owns the clock hands the registration on instead
void	info (std::ostream &os) noexcept override
	log object class information
std::shared_ptr< stream_t >	open (const typename desc_t::stream::desc &desc)
	the desc's stream: the registered one, else created, registered and launched
virtual device &	operator>> (std::ostream &) const
	the device's own diagnostics, beyond dx::object::info
group_t &	operator[] (const typename desc_t::stream::desc &stream)
	the stream's group, created on first use
virtual _device &	reset ()
virtual void	sleep ()
	notify system will sleep stub
virtual std::pair< source_t &, bool >	source (const struct desc_t::stream &stream)
	the stream's source selector, created on first use: the preference by stream target, the value an index into the stream's sources
std::string	string (uint8_t idx)
bool	try_conclude () noexcept
	atomically conclude()s if currently launched; returns whether this call did it
bool	try_launch ()
	atomically launch()es if not already launched; returns whether this call did it. A launch() that throws is concluded before the exception leaves: the object never claims a launch it did not finish
void	wake () override
	~_device () override
	the device class destructor

Public Attributes
promoted::property< typename super::client_map, typename super::client_map::value_t, false >	clients {this->id, {.mSelector= property::device::clients}}
promoted< uint32_t >::preference< decltype(super::preference)>	clocksource
dx::driver< decltype(id), preference_t > &	driver
std::map< decltype(desc_t::stream::group), group_t >	group
	streaming groups by desc::stream::group id: every stream of this device is registered with its group - behind the settings its groups listen to, so they go first
struct dx::stream::device:: { ... }	hw
promoted::property< icon, ::CFURLRef, false >	icon {this->id, {.mSelector= ::kAudioDevicePropertyIcon}}
dx::coreaudio::_device::clocksource	id
promoted< uint32_t >::preference< decltype(super::preference)>	iosize
std::atomic< bool >	launched {}
dx::stream::device::monitor	monitor
preference_t	preference {driver.preference[puuid]}
std::string	puid
	persistent UID - system unique - could change with location
std::string	puuid
	persistent universal UID - universally unique ID (i.e. serial number)
promoted::property<::Float64 >	samplerate {this->id, {.mSelector= ::kAudioDevicePropertyNominalSampleRate}}
std::map< decltype(desc_t::stream::target.idx()), source_t >	sources
promoted< structdesc_t::stream * >::template preference< decltype(super::preference), uint32_t >	sync_reference
dx::stream::device::monitor	version

Static Public Attributes
static constexpr bool	hosted
	the transport's settings belong to another process' device: a hosted device mirrors them through its chains, it keeps no store of them

Protected Member Functions
virtual void	grouped (group_t &)
	operator[](): a group just came into existence, a host wires its per-group transports here
virtual void	launch ()
	launch notification: object mounted and ready to use. Called only through try_launch() - never call this directly from outside the class hierarchy.
virtual void	process (const ::AudioTimeStamp *, const ::AudioBufferList *, const ::AudioTimeStamp *, ::AudioBufferList *, const ::AudioTimeStamp *)

Protected Attributes
std::vector< std::shared_ptr< typename super::stream_t > >	io_streams
	the streams process() iterates: fixed between AudioDeviceStart and AudioDeviceStop and held for it, so the IOProc never touches the mutable streams map nor a stream its client let go

Friends
template<typename, typename>
class	coreaudio::group
	the app wraps this bus's own group, so friendship has to name it, not just the device's group_t

Detailed Description

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>
class dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >

CoreAudio client device.

Member Typedef Documentation

desc_t

typedef desc_t dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::desc_t

inherited

event_t

typedef event dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::event_t

inherited

source_t

typedef promoted<uint32_t>::template preference<decltype(dx::device<::AudioObjectID, preference_t >::preference)> dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::source_t

inherited

stream_t

typedef stream_t dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::stream_t

inherited

Constructor & Destructor Documentation

_device()

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::_device ( decltype(super::driver)& driver, decltype(super::id)& id )

inline

~_device()

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::~_device ( )

inlineoverride

the device class destructor

Member Function Documentation

attach()

void dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::attach ( channel_t ** io[dx::stream::direction::directions][2], const std::vector< bool >(&) channel_map[2] )

inlineinherited

conclude()

void dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::conclude ( )

inlineoverridevirtualnoexceptinherited

ends every group's session before the device's resources go; the start counts stay with their holders

Reimplemented from dx::object.

exception()

template<typename id_t, typename preference_t = dx::preference>

void dx::device< id_t, preference_t >::exception ( const dx::exception & exception, bool filtered = false ) const

inlineoverridevirtualnoexceptinherited

notification exception handler

Implements dx::object.

Reimplemented in dx::proxy::device< preference_t >, dx::proxy::device< preference_t >, dx::proxy::device< dx::preference >, dx::proxy::device<>, dx::service::client::_device< desc_t, preference_t, stream_t, group_t >, dx::service::client::_device< desc, preference, stream< device< desc, preference, stream, group > >, group< device< desc, preference, stream, group > > >, dx::service::client::_device< desc_t, preference_t, stream_t< device< desc_t, preference_t, stream_t, group_t > >, group_t< device< desc_t, preference_t, stream_t, group_t > > >, dx::service::device< preference_t >, dx::service::device< dx::preference >, dx::service::device< super_device_t >, dx::usb::device< preference_t >, dx::usb::device< dx::preference >, dx::usb::platform::device< preference_t >, dx::usb::platform::device< preference_t >, dx::usb::platform::device< dx::preference >, dx::usb::platform::device< preference_t >, dx::usb::platform::device< preference_t >, dx::virtuel::stream::_device< desc_t, preference_t, stream_t, group_t >, dx::virtuel::stream::_device< desc, dx::preference, dx::stream::shared::stream< device< desc, dx::preference, dx::stream::shared::stream, group > >, group< device< desc, dx::preference, dx::stream::shared::stream, group > > >, dx::virtuel::stream::_device< desc_t, preference_t, stream_t< device< desc_t, preference_t, stream_t, group_t > >, group_t< device< desc_t, preference_t, stream_t, group_t > > >, and dx::wasapi::client::_device< desc, preference, stream< device< desc, preference, stream, group > >, group< device< desc, preference, stream, group > > >.

frame()

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

virtual uint64_t dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::frame ( ) const

inlinevirtual

grouped()

virtual void dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::grouped ( group_t & )

inlineprotectedvirtualinherited

operator[](): a group just came into existence, a host wires its per-group transports here

hw_clock() [1/2]

virtual bool dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::hw_clock ( ) const

inlinevirtualnoexceptinherited

hw_clock() [2/2]

virtual void dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::hw_clock ( abstract::event * hw_clock, uint32_t iosize )

inlinevirtualinherited

registers a consumer with the device's clock: it is signalled every iosize samples of the clock's own advance. A bus whose driver owns the clock hands the registration on instead

info()

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

void dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::info ( std::ostream & os )

inlineoverridevirtualnoexcept

log object class information

Reimplemented from dx::object.

Reimplemented in dx::coreaudio::pod::device< desc_t, preference_t, stream_t, group_t >, and dx::coreaudio::stream::device< desc_t, preference_t, stream_t, group_t >.

launch()

virtual void dx::object::launch ( )

inlineprotectedvirtualinherited

launch notification: object mounted and ready to use. Called only through try_launch() - never call this directly from outside the class hierarchy.

Reimplemented in dx::asio::client::driver< device_t, devices >, dx::asio::service::device< super_device_t >, dx::coreaudio::driver< device_t >, dx::coremidi::driver< device_t >, dx::map::driver< _device_t, holder_t >, dx::map::driver< device<> >, dx::map::driver< device_t >, dx::map::driver< device_t, dx::apartment< device_t > >, dx::midi::services::driver< device_t >, dx::proxy::driver< device_t >, dx::proxy::driver< device_t >, dx::service::app, dx::service::client::_device< desc_t, preference_t, stream_t, group_t >, dx::service::client::_device< desc, preference, stream< device< desc, preference, stream, group > >, group< device< desc, preference, stream, group > > >, dx::service::client::_device< desc_t, preference_t, stream_t< device< desc_t, preference_t, stream_t, group_t > >, group_t< device< desc_t, preference_t, stream_t, group_t > > >, dx::service::client::driver< device_t >, dx::service::device< preference_t >, dx::service::device< dx::preference >, dx::service::device< super_device_t >, dx::stream::stream< device_t, dx::circular, usb::pipe< device_t > >, dx::usb::stream::_device< desc_t, preference_t, stream_t, group_t >, dx::usb::stream::_device< desc_t, dx::preference, pipe< device< desc_t, dx::preference, pipe, group > >, group< device< desc_t, dx::preference, pipe, group > > >, dx::usb::stream::_device< desc_t, preference_t, stream_t< device< desc_t, preference_t, stream_t, group_t > >, group_t< device< desc_t, preference_t, stream_t, group_t > > >, dx::virtuel::driver< device_t >, dx::virtuel::driver< device<> >, and dx::wasapi::client::driver< device_t >.

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open()

std::shared_ptr< stream_t > dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::open ( const typename desc_t::stream::desc & desc )

inlineinherited

the desc's stream: the registered one, else created, registered and launched

operator>>()

template<typename id_t, typename preference_t = dx::preference>

virtual device & dx::device< id_t, preference_t >::operator>> ( std::ostream & ) const

inlinevirtualinherited

the device's own diagnostics, beyond dx::object::info

operator[]()

group_t & dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::operator[] ( const typename desc_t::stream::desc & stream )

inlineinherited

the stream's group, created on first use

process()

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

virtual void dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::process ( const ::AudioTimeStamp * , const ::AudioBufferList * , const ::AudioTimeStamp * , ::AudioBufferList * , const ::AudioTimeStamp *  )

inlineprotectedvirtual

Reimplemented in dx::coreaudio::stream::device< desc_t, preference_t, stream_t, group_t >.

reset()

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

virtual _device & dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::reset ( )

inlinevirtual

sleep()

template<typename id_t, typename preference_t = dx::preference>

virtual void dx::device< id_t, preference_t >::sleep ( )

inlinevirtualinherited

notify system will sleep stub

source()

virtual std::pair< source_t &, bool > dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::source ( const struct desc_t::stream & stream )

inlinevirtualinherited

the stream's source selector, created on first use: the preference by stream target, the value an index into the stream's sources

string()

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

std::string dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::string ( uint8_t idx )

inline

try_conclude()

bool dx::object::try_conclude ( )

inlinenoexceptinherited

atomically conclude()s if currently launched; returns whether this call did it

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try_launch()

bool dx::object::try_launch ( )

inlineinherited

atomically launch()es if not already launched; returns whether this call did it. A launch() that throws is concluded before the exception leaves: the object never claims a launch it did not finish

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wake()

void dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::wake ( )

inlineoverridevirtualinherited

Reimplemented from dx::device< id_t, preference_t >.

Friends And Related Symbol Documentation

coreaudio::group

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

template<typename, typename>

friend class coreaudio::group

friend

the app wraps this bus's own group, so friendship has to name it, not just the device's group_t

Member Data Documentation

clients

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

promoted::property<typename super::client_map, typename super::client_map::value_t, false> dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::clients {this->id, {.mSelector= property::device::clients}}

clocksource

promoted<uint32_t>::preference<decltype(super::preference)> dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::clocksource

inherited

driver

template<typename id_t, typename preference_t = dx::preference>

dx::driver<decltype(id), preference_t>& dx::device< id_t, preference_t >::driver

inherited

group

std::map<decltype(desc_t::stream::group), group_t> dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::group

inherited

streaming groups by desc::stream::group id: every stream of this device is registered with its group - behind the settings its groups listen to, so they go first

hosted

bool dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::hosted

staticconstexprinherited

the transport's settings belong to another process' device: a hosted device mirrors them through its chains, it keeps no store of them

hw

struct { ... } dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::hw

icon

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

promoted::property<icon, ::CFURLRef, false> dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::icon {this->id, {.mSelector= ::kAudioDevicePropertyIcon}}

id

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

dx::coreaudio::_device::clocksource dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::id

io_streams

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

std::vector<std::shared_ptr<typename super::stream_t> > dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::io_streams

protected

the streams process() iterates: fixed between AudioDeviceStart and AudioDeviceStop and held for it, so the IOProc never touches the mutable streams map nor a stream its client let go

iosize

promoted<uint32_t>::preference<decltype(super::preference)> dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::iosize

inherited

launched

std::atomic<bool> dx::object::launched {}

inherited

monitor

dx::stream::device::monitor dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::monitor

inherited

preference

template<typename id_t, typename preference_t = dx::preference>

preference_t dx::device< id_t, preference_t >::preference {driver.preference[puuid]}

inherited

puid

template<typename id_t, typename preference_t = dx::preference>

std::string dx::device< id_t, preference_t >::puid

inherited

persistent UID - system unique - could change with location

puuid

template<typename id_t, typename preference_t = dx::preference>

std::string dx::device< id_t, preference_t >::puuid

inherited

persistent universal UID - universally unique ID (i.e. serial number)

samplerate

template<typename desc_t, typename preference_t, typename stream_t, typename group_t>

promoted::property<::Float64> dx::coreaudio::_device< desc_t, preference_t, stream_t, group_t >::samplerate {this->id, {.mSelector= ::kAudioDevicePropertyNominalSampleRate}}

sources

std::map<decltype(desc_t::stream::target.idx()), source_t> dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::sources

inherited

source selectors by stream target: a stream with sources gets its own on first use

sync_reference

promoted<structdesc_t::stream*>::template preference<decltype(super::preference), uint32_t> dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::sync_reference

inherited

version

dx::stream::device::monitor dx::stream::device< dx::device<::AudioObjectID, preference_t >, desc_t, stream_t, group_t >::version

inherited

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

• dx_coreaudio_device.h