PcmDriver

#include "driver.hh"

Inheritance diagram for PcmDriver:

Public Types
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 }

Public Member Functions
virtual uint	pcm_block_length () const =0
virtual bool	pcm_check_io (int64 *timeoutp)=0
virtual void	pcm_latency (uint *rlatency, uint *wlatency) const =0
virtual uint	pcm_mix_freq () const =0
virtual uint	pcm_n_channels () const =0
virtual size_t	pcm_read (size_t n, float *values)=0
virtual void	pcm_write (size_t n, const float *values)=0
Public Member Functions inherited from Driver
virtual void	close ()=0
String	devid () const
bool	opened () const
bool	readable () const
bool	writable () const

Static Public Member Functions
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)

Protected Member Functions
virtual Ase::Error	open (IODir iodir, const PcmDriverConfig &config)=0
	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 ()

Additional Inherited Members
Protected Attributes inherited from Driver
const String	devid_
const String	driver_
size_t	flags_

Detailed Description

Base class for a PCM devices.

Member Typedef Documentation

PcmDriverP

typedef std::shared_ptr<PcmDriver> PcmDriverP

Constructor & Destructor Documentation

PcmDriver()

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

explicitprotected

Member Function Documentation

open() [1/2]

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

protectedpure virtual

Implemented in NullPcmDriver.

open() [2/2]

PcmDriverP open ( const String & devid, IODir desired, IODir required, const PcmDriverConfig & config, Ase::Error * ep )

static

Open PCM device and return a pointer to it, or nullptr with `*ep` set on error.

pcm_n_channels()

virtual uint pcm_n_channels ( ) const

pure virtual

Implemented in NullPcmDriver.

pcm_mix_freq()

virtual uint pcm_mix_freq ( ) const

pure virtual

Implemented in NullPcmDriver.

pcm_block_length()

virtual uint pcm_block_length ( ) const

pure virtual

Implemented in NullPcmDriver.

pcm_latency()

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

pure virtual

Implemented in NullPcmDriver.

pcm_check_io()

virtual bool pcm_check_io ( int64 * timeoutp )

pure virtual

Implemented in NullPcmDriver.

pcm_read()

virtual size_t pcm_read ( size_t n, float * values )

pure virtual

Implemented in NullPcmDriver.

pcm_write()

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

pure virtual

Implemented in NullPcmDriver.

list_drivers()

Driver::EntryVec list_drivers ( )

static

register_driver()

String register_driver ( const String & driverid, const std::function< PcmDriverP(const String &)> & create, const std::function< void(EntryVec &)> & list )

static