QOpenSLESEngine Class Reference

#include <qopenslesengine_p.h>

Collaboration diagram for QOpenSLESEngine:

Public Types
enum	OutputValue { FramesPerBuffer , SampleRate }

Public Member Functions
	QOpenSLESEngine ()
	~QOpenSLESEngine ()
SLEngineItf	slEngine () const
QList< int >	supportedChannelCounts (QAudioDevice::Mode mode) const
QList< int >	supportedSampleRates (QAudioDevice::Mode mode) const

Static Public Member Functions
static QOpenSLESEngine *	instance ()
static SLAndroidDataFormat_PCM_EX	audioFormatToSLFormatPCM (const QAudioFormat &format)
static QList< QAudioDevice >	availableDevices (QAudioDevice::Mode mode)
static bool	setAudioOutput (const QByteArray &deviceId)
static int	getOutputValue (OutputValue type, int defaultValue=0)
static int	getDefaultBufferSize (const QAudioFormat &format)
static int	getLowLatencyBufferSize (const QAudioFormat &format)
static bool	supportsLowLatency ()
static bool	printDebugInfo ()

Detailed Description

Definition at line 27 of file qopenslesengine_p.h.

Member Enumeration Documentation

OutputValue

enum QOpenSLESEngine::OutputValue

Enumerator
FramesPerBuffer
SampleRate

Definition at line 30 of file qopenslesengine_p.h.

Constructor & Destructor Documentation

QOpenSLESEngine()

QOpenSLESEngine::QOpenSLESEngine

(

)

Definition at line 24 of file qopenslesengine.cpp.

References CheckError.

~QOpenSLESEngine()

QOpenSLESEngine::~QOpenSLESEngine

(

)

Definition at line 41 of file qopenslesengine.cpp.

Member Function Documentation

audioFormatToSLFormatPCM()

SLAndroidDataFormat_PCM_EX QOpenSLESEngine::audioFormatToSLFormatPCM ( const QAudioFormat & format )

static

Definition at line 68 of file qopenslesengine.cpp.

References QSysInfo::ByteOrder, QAudioFormat::Float, getChannelMask(), QAudioFormat::Int16, QAudioFormat::Int32, QSysInfo::LittleEndian, QAudioFormat::NSampleFormats, SL_ANDROID_PCM_REPRESENTATION_INVALID, QAudioFormat::UInt8, and QAudioFormat::Unknown.

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availableDevices()

QList< QAudioDevice > QOpenSLESEngine::availableDevices ( QAudioDevice::Mode mode )

static

Definition at line 101 of file qopenslesengine.cpp.

References create(), i, QAudioDevice::Input, QAudioDevice::Output, pos, and QStringLiteral.

Referenced by QAndroidMediaDevices::audioInputs(), and QAndroidMediaDevices::audioOutputs().

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getDefaultBufferSize()

int QOpenSLESEngine::getDefaultBufferSize ( const QAudioFormat & format )

static

Definition at line 221 of file qopenslesengine.cpp.

References channelConfig, DEFAULT_PERIOD_TIME_MS, QAudioFormat::Float, QAudioFormat::Int16, and QAudioFormat::UInt8.

Referenced by openSlDebugInfo().

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getLowLatencyBufferSize()

int QOpenSLESEngine::getLowLatencyBufferSize ( const QAudioFormat & format )

static

Definition at line 261 of file qopenslesengine.cpp.

References FramesPerBuffer, getOutputValue(), and MINIMUM_PERIOD_TIME_MS.

Referenced by openSlDebugInfo().

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getOutputValue()

int QOpenSLESEngine::getOutputValue ( QOpenSLESEngine::OutputValue type, int defaultValue = 0 )

static

Definition at line 166 of file qopenslesengine.cpp.

References FramesPerBuffer, and SampleRate.

Referenced by getLowLatencyBufferSize(), and openSlDebugInfo().

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instance()

QOpenSLESEngine * QOpenSLESEngine::instance ( )

static

Definition at line 47 of file qopenslesengine.cpp.

printDebugInfo()

bool QOpenSLESEngine::printDebugInfo ( )

static

Definition at line 295 of file qopenslesengine.cpp.

References qEnvironmentVariableIsSet().

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setAudioOutput()

bool QOpenSLESEngine::setAudioOutput ( const QByteArray & deviceId )

static

Definition at line 130 of file qopenslesengine.cpp.

References QByteArray::toInt().

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slEngine()

SLEngineItf QOpenSLESEngine::slEngine ( ) const

inline

Definition at line 37 of file qopenslesengine_p.h.

supportedChannelCounts()

QList< int > QOpenSLESEngine::supportedChannelCounts

(

QAudioDevice::Mode

mode

)

const

Definition at line 143 of file qopenslesengine.cpp.

References QAudioDevice::Input.

Referenced by QOpenSLESDeviceInfo::QOpenSLESDeviceInfo().

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supportedSampleRates()

QList< int > QOpenSLESEngine::supportedSampleRates

(

QAudioDevice::Mode

mode

)

const

Definition at line 154 of file qopenslesengine.cpp.

References QAudioDevice::Input.

Referenced by QOpenSLESDeviceInfo::QOpenSLESDeviceInfo().

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supportsLowLatency()

bool QOpenSLESEngine::supportsLowLatency ( )

static

Definition at line 267 of file qopenslesengine.cpp.

Referenced by openSlDebugInfo().

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

• qtmultimedia/src/multimedia/android/qopenslesengine_p.h (eed4ee2729af19e75a3a35d0778dd87c6c1cf1b7)
• qtmultimedia/src/multimedia/android/qopenslesengine.cpp (10864c9b1f230c36d9ba6c497b2e8a38a279ceb4)