shaka::media::AppleAudioRenderer::Impl Class Reference

Inheritance diagram for shaka::media::AppleAudioRenderer::Impl:

Public Member Functions
	Impl ()
	~Impl () override
bool	InitDevice (std::shared_ptr< DecodedFrame > frame, double volume) override
bool	AppendBuffer (const uint8_t *data, size_t size) override
void	ClearBuffer () override
size_t	GetBytesBuffered () const override
void	SetDeviceState (bool is_playing) override
void	UpdateVolume (double volume) override
Public Member Functions inherited from shaka::media::AudioRendererCommon
	AudioRendererCommon ()
	~AudioRendererCommon () override
void	SetPlayer (const MediaPlayer *player) override
void	Attach (const DecodedStream *stream) override
void	Detach () override
double	Volume () const override
void	SetVolume (double volume) override
bool	Muted () const override
void	SetMuted (bool muted) override
Public Member Functions inherited from shaka::media::Renderer
	Renderer ()
virtual	~ Renderer ()
	Renderer (const Renderer &)=delete
Renderer &	operator= (const Renderer &)=delete
	Renderer (Renderer &&)=delete
Renderer &	operator= (Renderer &&)=delete

Static Public Member Functions
static void	OnAudioCallback (void *user_data, AudioQueueRef queue, AudioQueueBufferRef buffer)

Public Attributes
util::CFRef< AudioQueueRef >	queue_
BufferList	buffers_
std::atomic< size_t >	queue_size_

Additional Inherited Members
Protected Member Functions inherited from shaka::media::AudioRendererCommon
void	Stop ()

Detailed Description

Definition at line 179 of file apple_audio_renderer.cc.

Constructor & Destructor Documentation

Impl()

shaka::media::AppleAudioRenderer::Impl::Impl ( )

inline

Definition at line 181 of file apple_audio_renderer.cc.

~Impl()

shaka::media::AppleAudioRenderer::Impl::~Impl ( )

inlineoverride

Definition at line 183 of file apple_audio_renderer.cc.

Member Function Documentation

AppendBuffer()

bool shaka::media::AppleAudioRenderer::Impl::AppendBuffer ( const uint8_t *  data, size_t  size  )

inlineoverridevirtual

Appends the given data to the end of the audio buffer. It is assumed the data is copied into the buffer.

Parameters

data	The data to buffer.
size	The number of bytes in data.

Returns

True on success, false on error.

Implements shaka::media::AudioRendererCommon.

Definition at line 224 of file apple_audio_renderer.cc.

ClearBuffer()

void shaka::media::AppleAudioRenderer::Impl::ClearBuffer ( )

inlineoverridevirtual

Clears any already-buffered audio data in the device.

Implements shaka::media::AudioRendererCommon.

Definition at line 239 of file apple_audio_renderer.cc.

GetBytesBuffered()

size_t shaka::media::AppleAudioRenderer::Impl::GetBytesBuffered ( ) const

inlineoverridevirtual

Returns the number of bytes that are currently buffered. It is preferred to return the exact value based on what the hardware is playing; but this may only return the amount internally buffered.

Implements shaka::media::AudioRendererCommon.

Definition at line 249 of file apple_audio_renderer.cc.

InitDevice()

bool shaka::media::AppleAudioRenderer::Impl::InitDevice ( std::shared_ptr< DecodedFrame >  frame, double  volume  )

inlineoverridevirtual

Initializes the audio device for playback of audio similar to the given frame. The device should start paused.

If the audio device is already initialized, this must reset it first. If there is any buffered audio, that should be dropped.

Parameters

frame	The frame to initialize for.
volume	The current effective volume.

Returns

True on success, false on error. If this returns an error, it is assumed to be fatal and audio won't be played anymore.

Implements shaka::media::AudioRendererCommon.

Definition at line 191 of file apple_audio_renderer.cc.

OnAudioCallback()

static void shaka::media::AppleAudioRenderer::Impl::OnAudioCallback ( void *  user_data, AudioQueueRef  queue, AudioQueueBufferRef  buffer  )

inlinestatic

Definition at line 276 of file apple_audio_renderer.cc.

SetDeviceState()

void shaka::media::AppleAudioRenderer::Impl::SetDeviceState ( bool  is_playing )

inlineoverridevirtual

Changes whether the device is playing or paused.

Implements shaka::media::AudioRendererCommon.

Definition at line 253 of file apple_audio_renderer.cc.

UpdateVolume()

void shaka::media::AppleAudioRenderer::Impl::UpdateVolume ( double  volume )

inlineoverridevirtual

Updates the volume of the audio device (0-1). This is called with the effective volume (i.e. this is 0 when muted). If there is no audio device, this does nothing.

Implements shaka::media::AudioRendererCommon.

Definition at line 266 of file apple_audio_renderer.cc.

Member Data Documentation

buffers_

BufferList shaka::media::AppleAudioRenderer::Impl::buffers_

Definition at line 292 of file apple_audio_renderer.cc.

queue_

util::CFRef<AudioQueueRef> shaka::media::AppleAudioRenderer::Impl::queue_

Definition at line 291 of file apple_audio_renderer.cc.

queue_size_

std::atomic<size_t> shaka::media::AppleAudioRenderer::Impl::queue_size_

Definition at line 294 of file apple_audio_renderer.cc.

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

• shaka/src/media/apple_audio_renderer.cc