ttv::broadcast::AudioStreamer Class Reference

#include <audiostreamer.h>

Classes
struct	LayerProperties

Public Member Functions
	AudioStreamer ()
virtual	~AudioStreamer ()
TTV_ErrorCode	SetEncoder (const std::shared_ptr< IAudioEncoder > &encoder)
TTV_ErrorCode	Initialize (const AudioParams &audioParams)
TTV_ErrorCode	StartCapture ()
void	Stop ()
void	SetInitialTime (uint64_t initialTime)
float	GetVolume (AudioLayerId layer) const
void	SetVolume (AudioLayerId layer, float volume)
void	SetCapturer (AudioLayerId layerId, const std::shared_ptr< IAudioCapture > &capturer)
void	SetCapturerEnabled (AudioLayerId layer, bool enabled)
void	GetCapturers (std::vector< std::shared_ptr< IAudioCapture >> &result) const
std::shared_ptr< IAudioCapture >	GetCapturer (AudioLayerId layer) const
void	GetEnabledCapturers (std::vector< std::shared_ptr< IAudioCapture >> &result) const
bool	HasEnabledCapturers () const

Private Types
typedef std::queue< std::pair< uint64_t, float > >	volumeChanges_t

Private Member Functions
void	StartCapturers (const std::shared_ptr< IAudioMixer > &mixer)
TTV_ErrorCode	StopCapturers ()
void	StopCapture ()
TTV_ErrorCode	WritePcmAudioFrames (const std::shared_ptr< CaptureContext > &context, uint64_t latestTimeToProcess)
TTV_ErrorCode	WritePassThroughAudioFrames (const std::shared_ptr< CaptureContext > &context, uint64_t latestTimeToProcess)
TTV_ErrorCode	SubmitPcmSamplesToMixer (AudioLayerId audioLayerId, const int16_t *samples, size_t numSamples, uint64_t sampleTime)
void	ProcessCapturers ()

Private Attributes
uint32_t	mNumPcmSamplesPerChannel
uint64_t	mInitialTime
std::vector< int16_t >	mMixedSamplesBuffer
std::shared_ptr< IThreadSync >	mInitializingThreadSync
volatile TTV_ErrorCode	mInitializeResult
std::map< AudioLayerId, LayerProperties >	mLayers
std::shared_ptr< IAudioEncoder >	mAudioEncoder
std::shared_ptr< PcmAudioMixer >	mAudioMixer
std::shared_ptr< IThread >	mDeviceProcessingThread
AudioParams	mAudioParams
std::atomic_bool	mDoProcessing

Member Typedef Documentation

volumeChanges_t

typedef std::queue<std::pair<uint64_t, float> > ttv::broadcast::AudioStreamer::volumeChanges_t

private

Constructor & Destructor Documentation

AudioStreamer()

ttv::broadcast::AudioStreamer::AudioStreamer

(

)

~AudioStreamer()

virtual ttv::broadcast::AudioStreamer::~AudioStreamer ( )

virtual

Member Function Documentation

GetCapturer()

std::shared_ptr<IAudioCapture> ttv::broadcast::AudioStreamer::GetCapturer

(

AudioLayerId

layer

)

const

GetCapturers()

void ttv::broadcast::AudioStreamer::GetCapturers

(

std::vector< std::shared_ptr< IAudioCapture >> &

result

)

const

GetEnabledCapturers()

void ttv::broadcast::AudioStreamer::GetEnabledCapturers

(

std::vector< std::shared_ptr< IAudioCapture >> &

result

)

const

GetVolume()

float ttv::broadcast::AudioStreamer::GetVolume

(

AudioLayerId

layer

)

const

HasEnabledCapturers()

bool ttv::broadcast::AudioStreamer::HasEnabledCapturers

(

)

const

Initialize()

TTV_ErrorCode ttv::broadcast::AudioStreamer::Initialize

(

const AudioParams &

audioParams

)

ProcessCapturers()

void ttv::broadcast::AudioStreamer::ProcessCapturers ( )

private

SetCapturer()

void ttv::broadcast::AudioStreamer::SetCapturer	(	AudioLayerId	layerId,
		const std::shared_ptr< IAudioCapture > &	capturer
	)

SetCapturerEnabled()

void ttv::broadcast::AudioStreamer::SetCapturerEnabled	(	AudioLayerId	layer,
		bool	enabled
	)

SetEncoder()

TTV_ErrorCode ttv::broadcast::AudioStreamer::SetEncoder

(

const std::shared_ptr< IAudioEncoder > &

encoder

)

SetInitialTime()

void ttv::broadcast::AudioStreamer::SetInitialTime

(

uint64_t

initialTime

)

SetVolume()

void ttv::broadcast::AudioStreamer::SetVolume	(	AudioLayerId	layer,
		float	volume
	)

StartCapture()

TTV_ErrorCode ttv::broadcast::AudioStreamer::StartCapture

(

)

StartCapturers()

void ttv::broadcast::AudioStreamer::StartCapturers ( const std::shared_ptr< IAudioMixer > &  mixer )

private

Stop()

void ttv::broadcast::AudioStreamer::Stop

(

)

StopCapture()

void ttv::broadcast::AudioStreamer::StopCapture ( )

private

StopCapturers()

TTV_ErrorCode ttv::broadcast::AudioStreamer::StopCapturers ( )

private

SubmitPcmSamplesToMixer()

TTV_ErrorCode ttv::broadcast::AudioStreamer::SubmitPcmSamplesToMixer ( AudioLayerId  audioLayerId, const int16_t *  samples, size_t  numSamples, uint64_t  sampleTime  )

private

WritePassThroughAudioFrames()

TTV_ErrorCode ttv::broadcast::AudioStreamer::WritePassThroughAudioFrames ( const std::shared_ptr< CaptureContext > &  context, uint64_t  latestTimeToProcess  )

private

WritePcmAudioFrames()

TTV_ErrorCode ttv::broadcast::AudioStreamer::WritePcmAudioFrames ( const std::shared_ptr< CaptureContext > &  context, uint64_t  latestTimeToProcess  )

private

Member Data Documentation

mAudioEncoder

std::shared_ptr<IAudioEncoder> ttv::broadcast::AudioStreamer::mAudioEncoder

private

mAudioMixer

std::shared_ptr<PcmAudioMixer> ttv::broadcast::AudioStreamer::mAudioMixer

private

mAudioParams

AudioParams ttv::broadcast::AudioStreamer::mAudioParams

private

mDeviceProcessingThread

std::shared_ptr<IThread> ttv::broadcast::AudioStreamer::mDeviceProcessingThread

private

mDoProcessing

std::atomic_bool ttv::broadcast::AudioStreamer::mDoProcessing

private

mInitializeResult

volatile TTV_ErrorCode ttv::broadcast::AudioStreamer::mInitializeResult

private

mInitializingThreadSync

std::shared_ptr<IThreadSync> ttv::broadcast::AudioStreamer::mInitializingThreadSync

private

mInitialTime

uint64_t ttv::broadcast::AudioStreamer::mInitialTime

private

mLayers

std::map<AudioLayerId, LayerProperties> ttv::broadcast::AudioStreamer::mLayers

private

mMixedSamplesBuffer

std::vector<int16_t> ttv::broadcast::AudioStreamer::mMixedSamplesBuffer

private

mNumPcmSamplesPerChannel

uint32_t ttv::broadcast::AudioStreamer::mNumPcmSamplesPerChannel

private

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

• modules/broadcast/broadcast_common/include/twitchsdk/broadcast/internal/audiostreamer.h