OpenShot Audio Library | OpenShotAudio: juce::AudioIODeviceType Class Reference

OpenShot Audio Library | OpenShotAudio 0.3.2

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Classes | Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
juce::AudioIODeviceType Class Referenceabstract

`#include <juce_AudioIODeviceType.h>`

## Classes
class | Listener

## Public Member Functions
const String & | getTypeName () const noexcept
virtual void | scanForDevices ()=0
virtual StringArray | getDeviceNames (bool wantInputNames=false) const =0
virtual int | getDefaultDeviceIndex (bool forInput) const =0
virtual int | getIndexOfDevice (AudioIODevice *device, bool asInput) const =0
virtual bool | hasSeparateInputsAndOutputs () const =0
virtual AudioIODevice * | createDevice (const String &outputDeviceName, const String &inputDeviceName)=0
void | addListener (Listener *listener)
void | removeListener (Listener *listener)
virtual | ~AudioIODeviceType ()

## Static Public Member Functions
static AudioIODeviceType * | createAudioIODeviceType_CoreAudio ()
static AudioIODeviceType * | createAudioIODeviceType_iOSAudio ()
static AudioIODeviceType * | createAudioIODeviceType_WASAPI (bool exclusiveMode)
static AudioIODeviceType * | createAudioIODeviceType_DirectSound ()
static AudioIODeviceType * | createAudioIODeviceType_ASIO ()
static AudioIODeviceType * | createAudioIODeviceType_ALSA ()
static AudioIODeviceType * | createAudioIODeviceType_JACK ()
static AudioIODeviceType * | createAudioIODeviceType_Android ()
static AudioIODeviceType * | createAudioIODeviceType_OpenSLES ()
static AudioIODeviceType * | createAudioIODeviceType_Oboe ()
static AudioIODeviceType * | createAudioIODeviceType_Bela ()

## Protected Member Functions
| AudioIODeviceType (const String &typeName)
void | callDeviceChangeListeners ()

## Detailed Description

Represents a type of audio driver, such as DirectSound, ASIO, CoreAudio, etc.

To get a list of available audio driver types, use the AudioDeviceManager::createAudioDeviceTypes() method. Each of the objects returned can then be used to list the available devices of that type. E.g.

OwnedArray<AudioIODeviceType> types;
myAudioDeviceManager.createAudioDeviceTypes (types);
for (int i = 0; i < types.size(); ++i)
{
String typeName (types[i]->getTypeName()); // This will be things like "DirectSound", "CoreAudio", etc.
types[i]->scanForDevices(); // This must be called before getting the list of devices
StringArray deviceNames (types[i]->getDeviceNames()); // This will now return a list of available devices of this type
for (int j = 0; j < deviceNames.size(); ++j)
{
AudioIODevice* device = types[i]->createDevice (deviceNames [j]);
...
}
}
juce::AudioIODeviceType::getDeviceNames
virtual StringArray getDeviceNames(bool wantInputNames=false) const =0
juce::AudioIODeviceType::getTypeName
const String & getTypeName() const noexcept
Definition: juce_AudioIODeviceType.h:69
juce::AudioIODevice
Definition: juce_AudioIODevice.h:137
juce::OwnedArray
Definition: juce_OwnedArray.h:51
juce::OwnedArray::size
int size() const noexcept
Definition: juce_OwnedArray.h:130
juce::StringArray
Definition: juce_StringArray.h:35
juce::String
Definition: juce_String.h:39

For an easier way of managing audio devices and their settings, have a look at the AudioDeviceManager class.

See also
  AudioIODevice, AudioDeviceManager

Definition at line 61 of file juce_AudioIODeviceType.h.

## Constructor & Destructor Documentation

## ◆ ~AudioIODeviceType()

juce::AudioIODeviceType::~AudioIODeviceType | ( |  | ) |
| virtual

Destructor.

Definition at line 31 of file juce_AudioIODeviceType.cpp.

## ◆ AudioIODeviceType()

juce::AudioIODeviceType::AudioIODeviceType | ( | const String & | typeName | ) |
| explicitprotected

Definition at line 26 of file juce_AudioIODeviceType.cpp.

## Member Function Documentation

## ◆ addListener()

void juce::AudioIODeviceType::addListener | ( | Listener * | listener | ) |

Adds a listener that will be called when this type of device is added or removed from the system.

Definition at line 36 of file juce_AudioIODeviceType.cpp.

## ◆ callDeviceChangeListeners()

void juce::AudioIODeviceType::callDeviceChangeListeners | ( |  | ) |
| protected

Synchronously calls all the registered device list change listeners.

Definition at line 39 of file juce_AudioIODeviceType.cpp.

## ◆ createAudioIODeviceType_ALSA()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_ALSA | ( |  | ) |
| static

Creates an ALSA device type if it's available on this platform, or returns null.

Definition at line 66 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_Android()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_Android | ( |  | ) |
| static

Creates an Android device type if it's available on this platform, or returns null.

Definition at line 78 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_ASIO()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_ASIO | ( |  | ) |
| static

Creates an ASIO device type if it's available on this platform, or returns null.

Definition at line 62 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_Bela()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_Bela | ( |  | ) |
| static

Creates a Bela device type if it's available on this platform, or returns null.

Definition at line 74 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_CoreAudio()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_CoreAudio | ( |  | ) |
| static

Creates a CoreAudio device type if it's available on this platform, or returns null.

Definition at line 46 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_DirectSound()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_DirectSound | ( |  | ) |
| static

Creates a DirectSound device type if it's available on this platform, or returns null.

Definition at line 58 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_iOSAudio()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_iOSAudio | ( |  | ) |
| static

Creates an iOS device type if it's available on this platform, or returns null.

Definition at line 50 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_JACK()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_JACK | ( |  | ) |
| static

Creates a JACK device type if it's available on this platform, or returns null.

Definition at line 70 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_Oboe()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_Oboe | ( |  | ) |
| static

Creates an Oboe device type if it's available on this platform, or returns null.

Definition at line 86 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_OpenSLES()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_OpenSLES | ( |  | ) |
| static

Creates an Android OpenSLES device type if it's available on this platform, or returns null.

Definition at line 82 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createAudioIODeviceType_WASAPI()

AudioIODeviceType * juce::AudioIODeviceType::createAudioIODeviceType_WASAPI | ( | bool | exclusiveMode | ) |
| static

Creates a WASAPI device type if it's available on this platform, or returns null.

Definition at line 54 of file juce_AudioIODeviceType.cpp.

Referenced by juce::AudioDeviceManager::createAudioDeviceTypes().

## ◆ createDevice()

virtual AudioIODevice * juce::AudioIODeviceType::createDevice | ( | const String & | outputDeviceName,
|  | const String & | inputDeviceName
| ) |  |
| pure virtual

Creates one of the devices of this type.

The deviceName must be one of the strings returned by getDeviceNames(), and scanForDevices() must have been called before this method is used.

Referenced by juce::AudioDeviceManager::setAudioDeviceSetup().

## ◆ getDefaultDeviceIndex()

virtual int juce::AudioIODeviceType::getDefaultDeviceIndex | ( | bool | forInput | ) | const
| pure virtual

Returns the name of the default device.

This will be one of the names from the getDeviceNames() list.

Parameters

  forInput | if true, this means that a default input device should be returned; if false, it should return the default output

## ◆ getDeviceNames()

virtual StringArray juce::AudioIODeviceType::getDeviceNames | ( | bool | wantInputNames = `false` | ) | const
| pure virtual

Returns the list of available devices of this type.

The scanForDevices() method must have been called to create this list.

Parameters

  wantInputNames | only really used by DirectSound where devices are split up into inputs and outputs, this indicates whether to use the input or output name to refer to a pair of devices.

## ◆ getIndexOfDevice()

virtual int juce::AudioIODeviceType::getIndexOfDevice | ( | AudioIODevice * | device,
|  | bool | asInput
| ) |  | const
| pure virtual

Returns the index of a given device in the list of device names. If asInput is true, it shows the index in the inputs list, otherwise it looks for it in the outputs list.

## ◆ getTypeName()

const String & juce::AudioIODeviceType::getTypeName | ( |  | ) | const
| inlinenoexcept

Returns the name of this type of driver that this object manages.

This will be something like "DirectSound", "ASIO", "CoreAudio", "ALSA", etc.

Definition at line 69 of file juce_AudioIODeviceType.h.

Referenced by juce::AudioDeviceManager::getCurrentDeviceTypeObject().

## ◆ hasSeparateInputsAndOutputs()

virtual bool juce::AudioIODeviceType::hasSeparateInputsAndOutputs | ( |  | ) | const
| pure virtual

Returns true if two different devices can be used for the input and output.

## ◆ removeListener()

void juce::AudioIODeviceType::removeListener | ( | Listener * | listener | ) |

Removes a listener that was previously added with addListener().

Definition at line 37 of file juce_AudioIODeviceType.cpp.

## ◆ scanForDevices()

virtual void juce::AudioIODeviceType::scanForDevices | ( |  | ) |
| pure virtual

Refreshes the object's cached list of known devices.

This must be called at least once before calling getDeviceNames() or any of the other device creation methods.

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

- juce_AudioIODeviceType.h
- juce_AudioIODeviceType.cpp