NullPcmDriver

Inheritance diagram for NullPcmDriver:

Public Member Functions
virtual void	close () override
	NullPcmDriver (const String &driver, const String &devid)
virtual Error	open (IODir iodir, const PcmDriverConfig &config) override
uint	pcm_block_length () const override
virtual bool	pcm_check_io (int64 *timeout_usecs) override
void	pcm_latency (uint *rlatency, uint *wlatency) const override
uint	pcm_mix_freq () const override
uint	pcm_n_channels () const override
virtual size_t	pcm_read (size_t n, float *values) override
virtual void	pcm_write (size_t n, const float *values) override
Public Member Functions inherited from Driver
String	devid () const
bool	opened () const
bool	readable () const
bool	writable () const

Static Public Member Functions
static PcmDriverP	create (const String &devid)
static void	list_drivers (Driver::EntryVec &entries)
Static Public Member Functions inherited from PcmDriver
static EntryVec	list_drivers ()
static PcmDriverP	open (const String &devid, IODir desired, IODir required, const PcmDriverConfig &config, Ase::Error *ep)
static String	register_driver (const String &driverid, const std::function< PcmDriverP(const String &)> &create, const std::function< void(EntryVec &)> &list)
Static Public Member Functions inherited from Driver
static String	priority_string (uint priority)

Additional Inherited Members
Public Types inherited from PcmDriver
typedef std::shared_ptr< PcmDriver >	PcmDriverP
Public Types inherited from Driver
enum	{   SURROUND , HEADSET , RECORDER , MIDI_THRU ,   JACK , ALSA_USB , ALSA_KERN , OSS ,   PULSE , ALSA_USER , PSEUDO , PAUTO ,   PNULL , WCARD , WDEV , WSUB }
typedef std::shared_ptr< Driver >	DriverP
using	Entry = DriverEntry
using	EntryVec = DriverEntryS
enum	IODir { READONLY , WRITEONLY , READWRITE }
Protected Member Functions inherited from PcmDriver
	PcmDriver (const String &driver, const String &devid)
Protected Member Functions inherited from Driver
	Driver (const String &driver, const String &devid)
template<class Derived >
std::shared_ptr< Derived >	shared_from_base ()
virtual	~Driver ()
Protected Attributes inherited from Driver
const String	devid_
const String	driver_
size_t	flags_

Constructor & Destructor Documentation

NullPcmDriver()

NullPcmDriver ( const String & driver, const String & devid )

explicit

Member Function Documentation

create()

static PcmDriverP create ( const String & devid )

static

pcm_n_channels()

uint pcm_n_channels ( ) const

overridevirtual

Implements PcmDriver.

pcm_mix_freq()

uint pcm_mix_freq ( ) const

overridevirtual

Implements PcmDriver.

pcm_block_length()

uint pcm_block_length ( ) const

overridevirtual

Implements PcmDriver.

pcm_latency()

void pcm_latency ( uint * rlatency, uint * wlatency ) const

overridevirtual

Implements PcmDriver.

close()

virtual void close ( )

overridevirtual

Implements Driver.

open()

virtual Error open ( IODir iodir, const PcmDriverConfig & config )

overridevirtual

Implements PcmDriver.

pcm_check_io()

virtual bool pcm_check_io ( int64 * timeout_usecs )

overridevirtual

Implements PcmDriver.

pcm_write()

virtual void pcm_write ( size_t n, const float * values )

overridevirtual

Implements PcmDriver.

pcm_read()

virtual size_t pcm_read ( size_t n, float * values )

overridevirtual

Implements PcmDriver.

list_drivers()

static void list_drivers ( Driver::EntryVec & entries )

static