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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QtMultimediaPrivate::QPlatformAudioSourceStream Class Referenceabstract

#include <qaudiosystem_platform_stream_support_p.h>

Inheritance diagram for QtMultimediaPrivate::QPlatformAudioSourceStream:
Collaboration diagram for QtMultimediaPrivate::QPlatformAudioSourceStream:

Public Types

using AudioCallback = QPlatformAudioSource::AudioCallback
enum class  ShutdownPolicy

Public Member Functions

void requestStop ()

Protected Member Functions

 QPlatformAudioSourceStream (QAudioDevice, const QAudioFormat &, std::optional< int > ringbufferSize, std::optional< NativePeriodFrames > nativePeriodFrames, float volume)
 ~QPlatformAudioSourceStream ()
uint64_t process (QSpan< const std::byte > hostBuffer, qsizetype numberOfFrames, std::optional< NativeSampleFormat >={}) noexcept Q_DECL_NONBLOCKING_FUNCTION
qsizetype bytesReady () const
std::chrono::microseconds processedDuration () const
void setQIODevice (QIODevice *device)
void createQIODeviceConnections (QIODevice *device)
void disconnectQIODeviceConnections ()
QIODevice * createRingbufferReaderDevice ()
void pushToIODevice ()
bool deviceIsRingbufferReader () const
void finalizeQIODevice (ShutdownPolicy)
void emptyRingbuffer ()
virtual void updateStreamIdle (bool)=0
template<typename ParentType>
void handleIOError (ParentType *parent)
QThread * thread () const
template<typename Functor>
void invokeOnAppThread (Functor &&ff)
Protected Member Functions inherited from QtMultimediaPrivate::QPlatformAudioIOStream
 QPlatformAudioIOStream (QAudioDevice m_audioDevice, QAudioFormat m_format, std::optional< int > ringbufferSize, std::optional< NativePeriodFrames > nativePeriodFrames, float volume)
 ~QPlatformAudioIOStream ()
void setVolume (float)
float volume () const
template<typename Functor>
auto visitRingbuffer (Functor &&ff)
template<typename Functor>
auto visitRingbuffer (Functor &&ff) const
void prepareRingbuffer (std::optional< int > ringbufferSize)
int ringbufferSizeInBytes ()
void requestStop ()
bool isStopRequested (std::memory_order memory_order=std::memory_order_relaxed) const

Additional Inherited Members

Protected Types inherited from QtMultimediaPrivate::QPlatformAudioIOStream
using NativeSampleFormat = QAudioHelperInternal::NativeSampleFormat
using QAutoResetEvent = QtPrivate::QAutoResetEvent
enum class  ShutdownPolicy : uint8_t { DrainRingbuffer , DiscardRingbuffer }
Static Protected Member Functions inherited from QtMultimediaPrivate::QPlatformAudioIOStream
static qsizetype inferRingbufferFrames (const std::optional< int > &ringbufferSize, const std::optional< NativePeriodFrames > &nativePeriodFrames, const QAudioFormat &)
static qsizetype inferRingbufferBytes (const std::optional< int > &ringbufferSize, const std::optional< NativePeriodFrames > &nativePeriodFrames, const QAudioFormat &)
Protected Attributes inherited from QtMultimediaPrivate::QPlatformAudioIOStream
const QAudioDevice m_audioDevice
const QAudioFormat m_format
const std::optional< NativePeriodFrames > m_nativePeriodFrames

Detailed Description

Definition at line 236 of file qaudiosystem_platform_stream_support_p.h.

Member Typedef Documentation

◆ AudioCallback

using QtMultimediaPrivate::QPlatformAudioSourceStream::AudioCallback = QPlatformAudioSource::AudioCallback

Definition at line 240 of file qaudiosystem_platform_stream_support_p.h.

Member Enumeration Documentation

◆ ShutdownPolicy

enum class QtMultimediaPrivate::QPlatformAudioIOStream::ShutdownPolicy : uint8_t
strong

Definition at line 110 of file qaudiosystem_platform_stream_support_p.h.

Constructor & Destructor Documentation

◆ QPlatformAudioSourceStream()

QtMultimediaPrivate::QPlatformAudioSourceStream::QPlatformAudioSourceStream ( QAudioDevice audioDevice,
const QAudioFormat & format,
std::optional< int > ringbufferSize,
std::optional< NativePeriodFrames > nativePeriodFrames,
float volume )
protected

Definition at line 328 of file qaudiosystem_platform_stream_support.cpp.

◆ ~QPlatformAudioSourceStream()

QtMultimediaPrivate::QPlatformAudioSourceStream::~QPlatformAudioSourceStream ( )
protecteddefault

Member Function Documentation

◆ bytesReady()

qsizetype QtMultimediaPrivate::QPlatformAudioSourceStream::bytesReady ( ) const
protected

Definition at line 431 of file qaudiosystem_platform_stream_support.cpp.

◆ createQIODeviceConnections()

void QtMultimediaPrivate::QPlatformAudioSourceStream::createQIODeviceConnections ( QIODevice * device)
protected

Definition at line 451 of file qaudiosystem_platform_stream_support.cpp.

◆ createRingbufferReaderDevice()

QIODevice * QtMultimediaPrivate::QPlatformAudioSourceStream::createRingbufferReaderDevice ( )
protected

Definition at line 481 of file qaudiosystem_platform_stream_support.cpp.

◆ deviceIsRingbufferReader()

bool QtMultimediaPrivate::QPlatformAudioSourceStream::deviceIsRingbufferReader ( ) const
protected

Definition at line 396 of file qaudiosystem_platform_stream_support.cpp.

Referenced by handleIOError().

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◆ disconnectQIODeviceConnections()

void QtMultimediaPrivate::QPlatformAudioSourceStream::disconnectQIODeviceConnections ( )
protected

Definition at line 475 of file qaudiosystem_platform_stream_support.cpp.

◆ emptyRingbuffer()

void QtMultimediaPrivate::QPlatformAudioSourceStream::emptyRingbuffer ( )
protected

Definition at line 416 of file qaudiosystem_platform_stream_support.cpp.

◆ finalizeQIODevice()

void QtMultimediaPrivate::QPlatformAudioSourceStream::finalizeQIODevice ( ShutdownPolicy shutdownPolicy)
protected

Definition at line 401 of file qaudiosystem_platform_stream_support.cpp.

◆ handleIOError()

template<typename ParentType>
void QtMultimediaPrivate::QPlatformAudioSourceStream::handleIOError ( ParentType * parent)
inlineprotected

Definition at line 273 of file qaudiosystem_platform_stream_support_p.h.

References deviceIsRingbufferReader().

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◆ invokeOnAppThread()

template<typename Functor>
void QtMultimediaPrivate::QPlatformAudioSourceStream::invokeOnAppThread ( Functor && f)
inlineprotected

Definition at line 293 of file qaudiosystem_platform_stream_support_p.h.

◆ process()

uint64_t QtMultimediaPrivate::QPlatformAudioSourceStream::process ( QSpan< const std::byte > hostBuffer,
qsizetype numberOfFrames,
std::optional< NativeSampleFormat > nativeFormat = {} )
protectednoexcept

Definition at line 341 of file qaudiosystem_platform_stream_support.cpp.

◆ processedDuration()

std::chrono::microseconds QtMultimediaPrivate::QPlatformAudioSourceStream::processedDuration ( ) const
protected

Definition at line 438 of file qaudiosystem_platform_stream_support.cpp.

◆ pushToIODevice()

void QtMultimediaPrivate::QPlatformAudioSourceStream::pushToIODevice ( )
protected

Definition at line 384 of file qaudiosystem_platform_stream_support.cpp.

◆ requestStop()

void QtMultimediaPrivate::QPlatformAudioIOStream::requestStop ( )

Definition at line 85 of file qaudiosystem_platform_stream_support.cpp.

◆ setQIODevice()

void QtMultimediaPrivate::QPlatformAudioSourceStream::setQIODevice ( QIODevice * device)
protected

Definition at line 446 of file qaudiosystem_platform_stream_support.cpp.

◆ thread()

QThread * QtMultimediaPrivate::QPlatformAudioSourceStream::thread ( ) const
protected

Definition at line 424 of file qaudiosystem_platform_stream_support.cpp.

◆ updateStreamIdle()

virtual void QtMultimediaPrivate::QPlatformAudioSourceStream::updateStreamIdle ( bool )
protectedpure virtual

Implemented in QCoreAudioSourceStream, QPulseAudioInternal::QPulseAudioSourceStream, QQnxSndAudioSourceStream, QtAAudio::QAndroidAudioSourceStream, QtOHAudio::QOhosAudioSourceStream, QtPipeWire::QPipewireAudioSourceStream, and QtWASAPI::QWASAPIAudioSourceStream.

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