#include <AudioStreamBase.h>

Inheritance diagram for oboe::AudioStreamBase:

Public Member Functions
	AudioStreamBase (const AudioStreamBase &)=default

AudioStreamBase &	operator= (const AudioStreamBase &)=default

int32_t	getChannelCount () const

Direction	getDirection () const

int32_t	getSampleRate () const

int32_t	getFramesPerCallback () const

int32_t	getFramesPerDataCallback () const

AudioFormat	getFormat () const

virtual int32_t	getBufferSizeInFrames ()

virtual int32_t	getBufferCapacityInFrames () const

SharingMode	getSharingMode () const

PerformanceMode	getPerformanceMode () const

int32_t	getDeviceId () const

std::vector< int32_t >	getDeviceIds () const

AudioStreamDataCallback *	getDataCallback () const

AudioStreamErrorCallback *	getErrorCallback () const

std::shared_ptr< AudioStreamPresentationCallback >	getPresentationCallback () const

bool	isDataCallbackSpecified () const

bool	isErrorCallbackSpecified () const

bool	isPresentationCallbackSpecified () const

Usage	getUsage () const

ContentType	getContentType () const

InputPreset	getInputPreset () const

SessionId	getSessionId () const

bool	isContentSpatialized () const

SpatializationBehavior	getSpatializationBehavior () const

AllowedCapturePolicy	getAllowedCapturePolicy () const

PrivacySensitiveMode	getPrivacySensitiveMode () const

std::string	getPackageName () const

std::string	getAttributionTag () const

bool	isChannelConversionAllowed () const

bool	isFormatConversionAllowed () const

SampleRateConversionQuality	getSampleRateConversionQuality () const

ChannelMask	getChannelMask () const

int32_t	getHardwareChannelCount () const

int32_t	getHardwareSampleRate () const

AudioFormat	getHardwareFormat () const

Protected Member Functions
virtual Result	isValidConfig ()

Protected Attributes
AudioStreamDataCallback *	mDataCallback = nullptr

std::shared_ptr< AudioStreamDataCallback >	mSharedDataCallback

AudioStreamErrorCallback *	mErrorCallback = nullptr

std::shared_ptr< AudioStreamErrorCallback >	mSharedErrorCallback

std::shared_ptr< AudioStreamPresentationCallback >	mSharedPresentationCallback

int32_t	mFramesPerCallback = kUnspecified

int32_t	mChannelCount = kUnspecified

int32_t	mSampleRate = kUnspecified

int32_t	mBufferCapacityInFrames = kUnspecified

int32_t	mBufferSizeInFrames = kUnspecified

ChannelMask	mChannelMask = ChannelMask::Unspecified

SharingMode	mSharingMode = SharingMode::Shared

AudioFormat	mFormat = AudioFormat::Unspecified

Direction	mDirection = Direction::Output

PerformanceMode	mPerformanceMode = PerformanceMode::None

Usage	mUsage = Usage::Media

ContentType	mContentType = ContentType::Music

InputPreset	mInputPreset = InputPreset::VoiceRecognition

SessionId	mSessionId = SessionId::None

AllowedCapturePolicy	mAllowedCapturePolicy = AllowedCapturePolicy::Unspecified

PrivacySensitiveMode	mPrivacySensitiveMode = PrivacySensitiveMode::Unspecified

std::string	mPackageName

std::string	mAttributionTag

bool	mIsContentSpatialized = false

SpatializationBehavior	mSpatializationBehavior = SpatializationBehavior::Unspecified

int32_t	mHardwareChannelCount = kUnspecified

int32_t	mHardwareSampleRate = kUnspecified

AudioFormat	mHardwareFormat = AudioFormat::Unspecified

bool	mChannelConversionAllowed = false

bool	mFormatConversionAllowed = false

SampleRateConversionQuality	mSampleRateConversionQuality = SampleRateConversionQuality::Medium

std::vector< int32_t >	mDeviceIds

Detailed Description

Base class containing parameters for audio streams and builders.

Constructor & Destructor Documentation

◆ AudioStreamBase()

oboe::AudioStreamBase::AudioStreamBase ( const AudioStreamBase & )

default

Default copy constructor

Member Function Documentation

◆ getAllowedCapturePolicy()

AllowedCapturePolicy oboe::AudioStreamBase::getAllowedCapturePolicy ( ) const

inline

Return the policy that determines whether the audio may or may not be captured by other apps or the system.

See AudioStreamBuilder_setAllowedCapturePolicy().

Added in API level 29 to AAudio.

Returns: the allowed capture policy, for example AllowedCapturePolicy::All

◆ getAttributionTag()

std::string oboe::AudioStreamBase::getAttributionTag ( ) const

inline

Return the stream's attribution tag

See AudioStreamBuilder_setAttributionTag().

Added in API level 31 to AAudio.

Returns: attributionTag

◆ getBufferCapacityInFrames()

virtual int32_t oboe::AudioStreamBase::getBufferCapacityInFrames ( ) const

inlinevirtual

Returns: capacityInFrames or kUnspecified

◆ getBufferSizeInFrames()

virtual int32_t oboe::AudioStreamBase::getBufferSizeInFrames ( )

inlinevirtual

Query the maximum number of frames that can be filled without blocking. If the stream has been closed the last known value will be returned.

Returns: buffer size

◆ getChannelCount()

int32_t oboe::AudioStreamBase::getChannelCount ( ) const

inline

Returns: number of channels, for example 2 for stereo, or kUnspecified

◆ getChannelMask()

ChannelMask oboe::AudioStreamBase::getChannelMask ( ) const

inline

Returns: the stream's channel mask.

◆ getContentType()

ContentType oboe::AudioStreamBase::getContentType ( ) const

inline

Returns: the stream's content type.

◆ getDataCallback()

AudioStreamDataCallback * oboe::AudioStreamBase::getDataCallback ( ) const

inline

For internal use only.

Returns: the data callback object for this stream, if set.

◆ getDeviceId()

int32_t oboe::AudioStreamBase::getDeviceId ( ) const

inline

Returns: the device ID of the stream.

◆ getDirection()

Direction oboe::AudioStreamBase::getDirection ( ) const

inline

Returns: Direction::Input or Direction::Output

◆ getErrorCallback()

AudioStreamErrorCallback * oboe::AudioStreamBase::getErrorCallback ( ) const

inline

For internal use only.

Returns: the error callback object for this stream, if set.

◆ getFormat()

AudioFormat oboe::AudioStreamBase::getFormat ( ) const

inline

Returns: the audio sample format (e.g. Float or I16)

◆ getFramesPerCallback()

int32_t oboe::AudioStreamBase::getFramesPerCallback ( ) const

inline

Deprecated: use getFramesPerDataCallback instead.

◆ getFramesPerDataCallback()

int32_t oboe::AudioStreamBase::getFramesPerDataCallback ( ) const

inline

Returns: the number of frames in each data callback or kUnspecified.

◆ getHardwareChannelCount()

int32_t oboe::AudioStreamBase::getHardwareChannelCount ( ) const

inline

Returns: number of channels for the hardware, for example 2 for stereo, or kUnspecified.

◆ getHardwareFormat()

AudioFormat oboe::AudioStreamBase::getHardwareFormat ( ) const

inline

Returns: the audio sample format of the hardware (e.g. Float or I16)

◆ getHardwareSampleRate()

int32_t oboe::AudioStreamBase::getHardwareSampleRate ( ) const

inline

Returns: hardware sample rate for the stream or kUnspecified

◆ getInputPreset()

InputPreset oboe::AudioStreamBase::getInputPreset ( ) const

inline

Returns: the stream's input preset.

◆ getPackageName()

std::string oboe::AudioStreamBase::getPackageName ( ) const

inline

Return the stream's package name

See AudioStreamBuilder_setPackageName().

Added in API level 31 to AAudio.

Returns: packageName

◆ getPerformanceMode()

PerformanceMode oboe::AudioStreamBase::getPerformanceMode ( ) const

inline

Returns: the performance mode of the stream.

◆ getPresentationCallback()

std::shared_ptr< AudioStreamPresentationCallback > oboe::AudioStreamBase::getPresentationCallback ( ) const

inline

For internal use only.

Returns: the presentation callback object for this stream, if set.

◆ getPrivacySensitiveMode()

PrivacySensitiveMode oboe::AudioStreamBase::getPrivacySensitiveMode ( ) const

inline

Return whether this input stream is marked as privacy sensitive.

See AudioStreamBuilder_setPrivacySensitiveMode().

Added in API level 30 to AAudio.

Returns: PrivacySensitiveMode::Enabled if privacy sensitive, PrivacySensitiveMode::Disabled if not privacy sensitive, and PrivacySensitiveMode::Unspecified if API is not supported.

◆ getSampleRate()

int32_t oboe::AudioStreamBase::getSampleRate ( ) const

inline

Returns: sample rate for the stream or kUnspecified

◆ getSampleRateConversionQuality()

SampleRateConversionQuality oboe::AudioStreamBase::getSampleRateConversionQuality ( ) const

inline

Returns: whether and how Oboe can convert sample rates to achieve optimal results.

◆ getSessionId()

SessionId oboe::AudioStreamBase::getSessionId ( ) const

inline

Returns: the stream's session ID allocation strategy (None or Allocate).

◆ getSharingMode()

SharingMode oboe::AudioStreamBase::getSharingMode ( ) const

inline

Returns: the sharing mode of the stream.

◆ getSpatializationBehavior()

SpatializationBehavior oboe::AudioStreamBase::getSpatializationBehavior ( ) const

inline

Returns: the spatialization behavior for the stream.

◆ getUsage()

Usage oboe::AudioStreamBase::getUsage ( ) const

inline

Returns: the usage for this stream.

◆ isChannelConversionAllowed()

bool oboe::AudioStreamBase::isChannelConversionAllowed ( ) const

inline

Returns: true if Oboe can convert channel counts to achieve optimal results.

◆ isContentSpatialized()

bool oboe::AudioStreamBase::isContentSpatialized ( ) const

inline

Returns: whether the content of the stream is spatialized.

◆ isDataCallbackSpecified()

bool oboe::AudioStreamBase::isDataCallbackSpecified ( ) const

inline

Returns: true if a data callback was set for this stream

◆ isErrorCallbackSpecified()

bool oboe::AudioStreamBase::isErrorCallbackSpecified ( ) const

inline

Note that if the app does not set an error callback then a default one may be provided.

Returns: true if an error callback was set for this stream

◆ isFormatConversionAllowed()

bool oboe::AudioStreamBase::isFormatConversionAllowed ( ) const

inline

Returns: true if Oboe can convert data formats to achieve optimal results.

◆ isPresentationCallbackSpecified()

bool oboe::AudioStreamBase::isPresentationCallbackSpecified ( ) const

inline

Returns: true if a presentation callback was set for this stream

◆ isValidConfig()

virtual Result oboe::AudioStreamBase::isValidConfig ( )

inlineprotectedvirtual

Validate stream parameters that might not be checked in lower layers

◆ operator=()

AudioStreamBase & oboe::AudioStreamBase::operator= ( const AudioStreamBase & )

default

Default assignment operator

Member Data Documentation

◆ mAllowedCapturePolicy

AllowedCapturePolicy oboe::AudioStreamBase::mAllowedCapturePolicy = AllowedCapturePolicy::Unspecified

protected

Allowed Capture Policy. Only active on Android 29+

◆ mAttributionTag

std::string oboe::AudioStreamBase::mAttributionTag

protected

Control the attribution tag of the context creating the stream. Only active on Android 31+

◆ mBufferCapacityInFrames

int32_t oboe::AudioStreamBase::mBufferCapacityInFrames = kUnspecified

protected

Stream buffer capacity specified as a number of audio frames

◆ mBufferSizeInFrames

int32_t oboe::AudioStreamBase::mBufferSizeInFrames = kUnspecified

protected

Stream buffer size specified as a number of audio frames

◆ mChannelCount

int32_t oboe::AudioStreamBase::mChannelCount = kUnspecified

protected

Stream channel count

◆ mChannelMask

ChannelMask oboe::AudioStreamBase::mChannelMask = ChannelMask::Unspecified

protected

Stream channel mask. Only active on Android 32+

◆ mContentType

ContentType oboe::AudioStreamBase::mContentType = ContentType::Music

protected

Stream content type. Only active on Android 28+

◆ mDataCallback

AudioStreamDataCallback* oboe::AudioStreamBase::mDataCallback = nullptr

protected

The callback which will be fired when new data is ready to be read/written.

◆ mDirection

Direction oboe::AudioStreamBase::mDirection = Direction::Output

protected

Stream direction

◆ mErrorCallback

AudioStreamErrorCallback* oboe::AudioStreamBase::mErrorCallback = nullptr

protected

The callback which will be fired when an error or a disconnect occurs.

◆ mFormat

AudioFormat oboe::AudioStreamBase::mFormat = AudioFormat::Unspecified

protected

Format of audio frames

◆ mFramesPerCallback

int32_t oboe::AudioStreamBase::mFramesPerCallback = kUnspecified

protected

Number of audio frames which will be requested in each callback

◆ mHardwareChannelCount

int32_t oboe::AudioStreamBase::mHardwareChannelCount = kUnspecified

protected

Hardware channel count. Only specified on Android 34+ AAudio streams

◆ mHardwareFormat

AudioFormat oboe::AudioStreamBase::mHardwareFormat = AudioFormat::Unspecified

protected

Hardware format. Only specified on Android 34+ AAudio streams

◆ mHardwareSampleRate

int32_t oboe::AudioStreamBase::mHardwareSampleRate = kUnspecified

protected

Hardware sample rate. Only specified on Android 34+ AAudio streams

◆ mInputPreset

InputPreset oboe::AudioStreamBase::mInputPreset = InputPreset::VoiceRecognition

protected

Stream input preset. Only active on Android 28+ TODO InputPreset::Unspecified should be considered as a possible default alternative.

◆ mIsContentSpatialized

bool oboe::AudioStreamBase::mIsContentSpatialized = false

protected

Whether the content is already spatialized. Only used on Android 32+

◆ mPackageName

std::string oboe::AudioStreamBase::mPackageName

protected

Control the name of the package creating the stream. Only active on Android 31+

◆ mPerformanceMode

PerformanceMode oboe::AudioStreamBase::mPerformanceMode = PerformanceMode::None

protected

Stream performance mode

◆ mPrivacySensitiveMode

PrivacySensitiveMode oboe::AudioStreamBase::mPrivacySensitiveMode = PrivacySensitiveMode::Unspecified

protected

Privacy Sensitive Mode. Only active on Android 30+

◆ mSampleRate

int32_t oboe::AudioStreamBase::mSampleRate = kUnspecified

protected

Stream sample rate

◆ mSessionId

SessionId oboe::AudioStreamBase::mSessionId = SessionId::None

protected

Stream session ID allocation strategy. Only active on Android 28+

◆ mSharingMode

SharingMode oboe::AudioStreamBase::mSharingMode = SharingMode::Shared

protected

Stream sharing mode

◆ mSpatializationBehavior

SpatializationBehavior oboe::AudioStreamBase::mSpatializationBehavior = SpatializationBehavior::Unspecified

protected

Spatialization Behavior. Only active on Android 32+

◆ mUsage

Usage oboe::AudioStreamBase::mUsage = Usage::Media

protected

Stream usage. Only active on Android 28+

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

include/oboe/AudioStreamBase.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ AudioStreamBase()

Member Function Documentation

◆ getAllowedCapturePolicy()

◆ getAttributionTag()

◆ getBufferCapacityInFrames()

◆ getBufferSizeInFrames()

◆ getChannelCount()

◆ getChannelMask()

◆ getContentType()

◆ getDataCallback()

◆ getDeviceId()

◆ getDirection()

◆ getErrorCallback()

◆ getFormat()

◆ getFramesPerCallback()

◆ getFramesPerDataCallback()

◆ getHardwareChannelCount()

◆ getHardwareFormat()

◆ getHardwareSampleRate()

◆ getInputPreset()

◆ getPackageName()

◆ getPerformanceMode()

◆ getPresentationCallback()

◆ getPrivacySensitiveMode()

◆ getSampleRate()

◆ getSampleRateConversionQuality()

◆ getSessionId()

◆ getSharingMode()

◆ getSpatializationBehavior()

◆ getUsage()

◆ isChannelConversionAllowed()

◆ isContentSpatialized()

◆ isDataCallbackSpecified()

◆ isErrorCallbackSpecified()

◆ isFormatConversionAllowed()

◆ isPresentationCallbackSpecified()

◆ isValidConfig()

◆ operator=()

Member Data Documentation

◆ mAllowedCapturePolicy

◆ mAttributionTag

◆ mBufferCapacityInFrames

◆ mBufferSizeInFrames

◆ mChannelCount

◆ mChannelMask

◆ mContentType

◆ mDataCallback

◆ mDirection

◆ mErrorCallback

◆ mFormat

◆ mFramesPerCallback

◆ mHardwareChannelCount

◆ mHardwareFormat

◆ mHardwareSampleRate

◆ mInputPreset

◆ mIsContentSpatialized

◆ mPackageName

◆ mPerformanceMode

◆ mPrivacySensitiveMode

◆ mSampleRate

◆ mSessionId

◆ mSharingMode

◆ mSpatializationBehavior

◆ mUsage