#include <libmythtv/audioplayer.h>

Inheritance diagram for AudioPlayer:

Collaboration diagram for AudioPlayer:

Signals
void	AudioPlayerStateChanged (MythAudioPlayerState State)

Public Member Functions
	AudioPlayer (MythPlayer *parent, bool muted)

	~AudioPlayer () override

void	addVisual (Visualization *vis)

void	removeVisual (Visualization *vis)

void	Reset (void)

void	DeleteOutput (void)

QString	ReinitAudio (void)

void	SetAudioOutput (AudioOutput *ao)

void	SetAudioInfo (const QString &main_device, const QString &passthru_device, uint samplerate, int codec_profile=-1)
	Set audio output device parameters. More...

void	SetAudioParams (AudioFormat format, int orig_channels, int channels, AVCodecID codec, int samplerate, bool passthru, int codec_profile=-1)
	Set audio output parameters. More...

void	SetEffDsp (int dsprate)

void	CheckFormat (void)

void	SetNoAudio (void)

bool	HasAudioIn (void) const

bool	HasAudioOut (void) const

bool	ControlsVolume (void) const

bool	Pause (bool pause)

bool	IsPaused (void)

void	PauseAudioUntilBuffered (void)

AVCodecID	GetCodec (void) const

int	GetOrigChannels (void) const

int	GetSampleRate (void) const

uint	GetVolume (void)

uint	AdjustVolume (int change)

uint	SetVolume (int newvolume)

float	GetStretchFactor (void) const

void	SetStretchFactor (float factor)

bool	IsUpmixing (void)

bool	EnableUpmix (bool enable, bool toggle=false)

bool	CanUpmix (void)

bool	CanPassthrough (int samplerate, int channels, AVCodecID codec, int profile)

bool	CanDownmix (void)

bool	CanAC3 (void)

bool	CanDTS (void)

bool	CanEAC3 (void)

bool	CanTrueHD (void)

bool	CanDTSHD (void)

uint	GetMaxChannels (void)

int	GetMaxHDRate (void)

std::chrono::milliseconds	GetAudioTime (void)

AudioFormat	GetFormat (void) const

bool	CanProcess (AudioFormat fmt)

uint32_t	CanProcess (void)

int	DecodeAudio (AVCodecContext ctx, uint8_t buffer, int &data_size, const AVPacket *pkt)
	DecodeAudio Utility routine. More...

bool	IsMuted (void)

bool	SetMuted (bool mute)

MuteState	GetMuteState (void)

MuteState	SetMuteState (MuteState mstate)

MuteState	IncrMuteState (void)

void	AddAudioData (char *buffer, int len, std::chrono::milliseconds timecode, int frames)

bool	NeedDecodingBeforePassthrough (void)

std::chrono::milliseconds	LengthLastData (void)

bool	GetBufferStatus (uint &fill, uint &total)

bool	IsBufferAlmostFull (void)

std::chrono::milliseconds	GetAudioBufferedTime (void)

AudioOutput *	GetAudioOutput (void) const
	Return internal AudioOutput object. More...

Private Member Functions
void	AddVisuals (void)

void	RemoveVisuals (void)

void	ResetVisuals (void)

Private Attributes
MythPlayer *	m_parent {nullptr}

AudioOutput *	m_audioOutput {nullptr}

MythAudioPlayerState	m_state { }

float	m_stretchFactor {1.0F}

QRecursiveMutex	m_lock

bool	m_mutedOnCreation {false}

QString	m_mainDevice

QString	m_passthruDevice

bool	m_noAudioIn {false}

bool	m_noAudioOut {true}

bool	m_controlsVolume {true}

std::vector< Visualization * >	m_visuals

Detailed Description

Definition at line 20 of file audioplayer.h.

Constructor & Destructor Documentation

◆ AudioPlayer()

AudioPlayer::AudioPlayer	(	MythPlayer *	parent,
		bool	muted
	)

Definition at line 15 of file audioplayer.cpp.

◆ ~AudioPlayer()

AudioPlayer::~AudioPlayer ( )

override

Definition at line 22 of file audioplayer.cpp.

Member Function Documentation

◆ AddAudioData()

void AudioPlayer::AddAudioData	(	char *	buffer,
		int	len,
		std::chrono::milliseconds	timecode,
		int	frames
	)

Definition at line 455 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ addVisual()

void AudioPlayer::addVisual ( Visualization * vis )

Definition at line 28 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::SetupAudioGraph(), and VideoVisual::VideoVisual().

◆ AddVisuals()

void AudioPlayer::AddVisuals ( void )

private

Definition at line 56 of file audioplayer.cpp.

Referenced by ReinitAudio(), and SetAudioOutput().

◆ AdjustVolume()

uint AudioPlayer::AdjustVolume ( int change )

Definition at line 323 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ChangeVolume().

◆ AudioPlayerStateChanged

void AudioPlayer::AudioPlayerStateChanged ( MythAudioPlayerState State )

signal

Referenced by MythPlayerAudioUI::MythPlayerAudioUI(), MythPlayerVisualiserUI::MythPlayerVisualiserUI(), SetAudioInfo(), and SetAudioParams().

◆ CanAC3()

bool AudioPlayer::CanAC3 ( void )

Definition at line 397 of file audioplayer.cpp.

◆ CanDownmix()

bool AudioPlayer::CanDownmix ( void )

Definition at line 444 of file audioplayer.cpp.

Referenced by AvFormatDecoder::DecoderWillDownmix().

◆ CanDTS()

bool AudioPlayer::CanDTS ( void )

Definition at line 402 of file audioplayer.cpp.

◆ CanDTSHD()

bool AudioPlayer::CanDTSHD ( void )

Definition at line 417 of file audioplayer.cpp.

Referenced by AvFormatDecoder::DoPassThrough(), and AvFormatDecoder::selectBestAudioTrack().

◆ CanEAC3()

bool AudioPlayer::CanEAC3 ( void )

Definition at line 407 of file audioplayer.cpp.

◆ CanPassthrough()

bool AudioPlayer::CanPassthrough	(	int	samplerate,
		int	channels,
		AVCodecID	codec,
		int	profile
	)

Definition at line 436 of file audioplayer.cpp.

Referenced by AvFormatDecoder::DoPassThrough().

◆ CanProcess() [1/2]

bool AudioPlayer::CanProcess ( AudioFormat fmt )

Definition at line 519 of file audioplayer.cpp.

◆ CanProcess() [2/2]

uint32_t AudioPlayer::CanProcess ( void )

Definition at line 526 of file audioplayer.cpp.

Referenced by SetAudioParams().

◆ CanTrueHD()

bool AudioPlayer::CanTrueHD ( void )

Definition at line 412 of file audioplayer.cpp.

◆ CanUpmix()

bool AudioPlayer::CanUpmix ( void )

Definition at line 367 of file audioplayer.cpp.

◆ CheckFormat()

void AudioPlayer::CheckFormat ( void )

Definition at line 178 of file audioplayer.cpp.

Referenced by MythPlayer::OpenFile().

◆ ControlsVolume()

bool AudioPlayer::ControlsVolume ( void ) const

inline

Definition at line 51 of file audioplayer.h.

Referenced by MythPlayerAudioUI::ChangeMuteState().

◆ DecodeAudio()

int AudioPlayer::DecodeAudio	(	AVCodecContext *	ctx,
		uint8_t *	buffer,
		int &	data_size,
		const AVPacket *	pkt
	)

DecodeAudio Utility routine.

Decode an audio packet, and compact it if data is planar Return negative error code if an error occurred during decoding or the number of bytes consumed from the input AVPacket data_size contains the size of decoded data copied into buffer data decoded will be S16 samples if class instance can't handle HD audio or S16 and above otherwise. No U8 PCM format can be returned

Definition at line 543 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ DeleteOutput()

void AudioPlayer::DeleteOutput ( void )

Definition at line 95 of file audioplayer.cpp.

Referenced by MythPlayer::AudioEnd(), SetAudioOutput(), MythPlayerUI::StartPlaying(), and ~AudioPlayer().

◆ EnableUpmix()

bool AudioPlayer::EnableUpmix	(	bool	enable,
		bool	toggle = `false`
	)

Definition at line 357 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::EnableUpmix().

◆ GetAudioBufferedTime()

std::chrono::milliseconds AudioPlayer::GetAudioBufferedTime ( void )

Definition at line 513 of file audioplayer.cpp.

Referenced by IsBufferAlmostFull().

◆ GetAudioOutput()

AudioOutput * AudioPlayer::GetAudioOutput ( void ) const

inline

Return internal AudioOutput object.

Definition at line 100 of file audioplayer.h.

Referenced by AvFormatDecoder::DecoderWillDownmix(), MythPlayerUI::EventLoop(), and AvFormatDecoder::SetupAudioStream().

◆ GetAudioTime()

std::chrono::milliseconds AudioPlayer::GetAudioTime ( void )

Definition at line 341 of file audioplayer.cpp.

Referenced by MythPlayerAVSync::AVSync(), and VideoVisual::GetNode().

◆ GetBufferStatus()

bool AudioPlayer::GetBufferStatus	(	uint &	fill,
		uint &	total
	)

Definition at line 490 of file audioplayer.cpp.

Referenced by IsBufferAlmostFull().

◆ GetCodec()

AVCodecID AudioPlayer::GetCodec ( void ) const

inline

Definition at line 56 of file audioplayer.h.

Referenced by MythPlayerUI::GetCodecDescription(), and Transcode::TranscodeFile().

◆ GetFormat()

AudioFormat AudioPlayer::GetFormat ( void ) const

inline

Definition at line 77 of file audioplayer.h.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ GetMaxChannels()

uint AudioPlayer::GetMaxChannels ( void )

Definition at line 422 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket(), and AvFormatDecoder::SetupAudioStream().

◆ GetMaxHDRate()

int AudioPlayer::GetMaxHDRate ( void )

Definition at line 429 of file audioplayer.cpp.

◆ GetMuteState()

MuteState AudioPlayer::GetMuteState ( void )

Definition at line 315 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ChangeMuteState(), and IncrMuteState().

◆ GetOrigChannels()

int AudioPlayer::GetOrigChannels ( void ) const

inline

Definition at line 57 of file audioplayer.h.

Referenced by MythPlayerUI::GetCodecDescription().

◆ GetSampleRate()

int AudioPlayer::GetSampleRate ( void ) const

inline

Definition at line 58 of file audioplayer.h.

Referenced by MythPlayerUI::GetPlaybackData(), and MythPlayerAudioUI::SetupAudioGraph().

◆ GetStretchFactor()

float AudioPlayer::GetStretchFactor ( void ) const

inline

Definition at line 62 of file audioplayer.h.

Referenced by MythPlayerUI::EventLoop(), MythPlayer::IsNearEnd(), MythPlayer::SetFrameRate(), MythPlayer::SetVideoParams(), MythPlayerUI::StartPlaying(), MythPlayer::syncWithAudioStretch(), and MythPlayer::UpdateFFRewSkip().

◆ GetVolume()

uint AudioPlayer::GetVolume ( void )

Definition at line 220 of file audioplayer.cpp.

Referenced by AdjustVolume(), MythPlayerAudioUI::ChangeVolume(), and SetVolume().

◆ HasAudioIn()

bool AudioPlayer::HasAudioIn ( void ) const

inline

Definition at line 49 of file audioplayer.h.

Referenced by MythPlayerVisualiserUI::AutoVisualise(), MythPlayerAVSync::AVSync(), AvFormatDecoder::GetFrame(), AvFormatDecoder::ProcessAudioPacket(), AvFormatDecoder::RemoveAudioStreams(), and AvFormatDecoder::ScanStreams().

◆ HasAudioOut()

bool AudioPlayer::HasAudioOut ( void ) const

inline

Definition at line 50 of file audioplayer.h.

Referenced by MythPlayerAudioUI::ChangeMuteState(), MythPlayer::ChangeSpeed(), MythPlayer::DecoderLoop(), MythPlayerAudioUI::EnableUpmix(), MythPlayer::ForceSetupAudioStream(), AvFormatDecoder::ProcessAudioPacket(), MythPlayer::SetDisablePassThrough(), and MythPlayer::syncWithAudioStretch().

◆ IncrMuteState()

MuteState AudioPlayer::IncrMuteState ( void )

Definition at line 308 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ChangeMuteState().

◆ IsBufferAlmostFull()

bool AudioPlayer::IsBufferAlmostFull ( void )

Definition at line 499 of file audioplayer.cpp.

Referenced by MythPlayer::DecoderGetFrame(), AvFormatDecoder::GetFrame(), MythPlayer::PrebufferEnoughFrames(), and AvFormatDecoder::ProcessAudioPacket().

◆ IsMuted()

bool AudioPlayer::IsMuted ( void )

inline

Definition at line 84 of file audioplayer.h.

Referenced by MythPlayerAudioUI::ChangeMuteState(), and SetMuted().

◆ IsPaused()

bool AudioPlayer::IsPaused ( void )

Definition at line 194 of file audioplayer.cpp.

Referenced by MythPlayerUI::EventLoop(), and MythPlayer::PrebufferEnoughFrames().

◆ IsUpmixing()

bool AudioPlayer::IsUpmixing ( void )

Definition at line 349 of file audioplayer.cpp.

Referenced by EnableUpmix(), and MythPlayerAudioUI::EnableUpmix().

◆ LengthLastData()

std::chrono::milliseconds AudioPlayer::LengthLastData ( void )

Definition at line 483 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ NeedDecodingBeforePassthrough()

bool AudioPlayer::NeedDecodingBeforePassthrough ( void )

Definition at line 476 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ Pause()

bool AudioPlayer::Pause ( bool pause )

Definition at line 184 of file audioplayer.cpp.

Referenced by MythPlayerAVSync::AVSync(), MythPlayer::Pause(), MythPlayer::Play(), MythPlayer::PrebufferEnoughFrames(), MythPlayerAVSync::ResetAVSyncForLiveTV(), and MythPlayerAVSync::SetAVSyncMusicChoice().

◆ PauseAudioUntilBuffered()

void AudioPlayer::PauseAudioUntilBuffered ( void )

Definition at line 202 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::PauseAudioUntilBuffered().

◆ ReinitAudio()

QString AudioPlayer::ReinitAudio ( void )

Definition at line 107 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ReinitAudio(), AvFormatDecoder::ScanStreams(), and AvFormatDecoder::SetupAudioStream().

◆ removeVisual()

void AudioPlayer::removeVisual ( Visualization * vis )

Definition at line 42 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ClearAudioGraph(), and VideoVisual::~VideoVisual().

◆ RemoveVisuals()

void AudioPlayer::RemoveVisuals ( void )

private

Definition at line 66 of file audioplayer.cpp.

Referenced by DeleteOutput().

◆ Reset()

void AudioPlayer::Reset ( void )

Definition at line 86 of file audioplayer.cpp.

Referenced by MythPlayerAVSync::AVSync(), MythPlayer::ClearAfterSeek(), MythPlayer::PrebufferEnoughFrames(), MythDVDDecoder::ReadPacket(), and MythPlayerAudioUI::ResetAudio().

◆ ResetVisuals()

void AudioPlayer::ResetVisuals ( void )

private

Definition at line 76 of file audioplayer.cpp.

Referenced by ReinitAudio(), and SetAudioParams().

◆ SetAudioInfo()

void AudioPlayer::SetAudioInfo	(	const QString &	main_device,
		const QString &	passthru_device,
		uint	samplerate,
		int	codec_profile = `-1`
	)

Set audio output device parameters.

codec_profile is currently only used for DTS

Definition at line 232 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::SetupAudioOutput().

◆ SetAudioOutput()

void AudioPlayer::SetAudioOutput ( AudioOutput * ao )

Definition at line 210 of file audioplayer.cpp.

◆ SetAudioParams()

void AudioPlayer::SetAudioParams	(	AudioFormat	format,
		int	orig_channels,
		int	channels,
		AVCodecID	codec,
		int	samplerate,
		bool	passthru,
		int	codec_profile = `-1`
	)

Set audio output parameters.

codec_profile is currently only used for DTS

Definition at line 252 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ScanStreams(), and AvFormatDecoder::SetupAudioStream().

◆ SetEffDsp()

void AudioPlayer::SetEffDsp ( int dsprate )

Definition at line 268 of file audioplayer.cpp.

◆ SetMuted()

bool AudioPlayer::SetMuted ( bool mute )

Definition at line 276 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ChangeMuteState().

◆ SetMuteState()

MuteState AudioPlayer::SetMuteState ( MuteState mstate )

Definition at line 300 of file audioplayer.cpp.

Referenced by IncrMuteState(), ReinitAudio(), and SetMuted().

◆ SetNoAudio()

void AudioPlayer::SetNoAudio ( void )

inline

Definition at line 48 of file audioplayer.h.

◆ SetStretchFactor()

void AudioPlayer::SetStretchFactor ( float factor )

Definition at line 375 of file audioplayer.cpp.

Referenced by MythPlayer::ChangeSpeed(), ReinitAudio(), and MythPlayerAudioUI::SetupAudioOutput().

◆ SetVolume()

uint AudioPlayer::SetVolume ( int newvolume )

Definition at line 332 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ChangeVolume().

Member Data Documentation

◆ m_audioOutput

AudioOutput* AudioPlayer::m_audioOutput {nullptr}

private

◆ m_controlsVolume

bool AudioPlayer::m_controlsVolume {true}

private

Definition at line 118 of file audioplayer.h.

Referenced by AudioPlayer(), and ReinitAudio().

◆ m_lock

QRecursiveMutex AudioPlayer::m_lock

private

Definition at line 112 of file audioplayer.h.

Referenced by addVisual(), AddVisuals(), AdjustVolume(), CanUpmix(), DeleteOutput(), EnableUpmix(), GetAudioTime(), GetMuteState(), GetVolume(), IsPaused(), IsUpmixing(), Pause(), PauseAudioUntilBuffered(), ReinitAudio(), removeVisual(), RemoveVisuals(), Reset(), ResetVisuals(), SetAudioOutput(), SetEffDsp(), SetMuted(), SetMuteState(), SetStretchFactor(), and SetVolume().

◆ m_mainDevice

QString AudioPlayer::m_mainDevice

private

Definition at line 114 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioInfo().

◆ m_mutedOnCreation

bool AudioPlayer::m_mutedOnCreation {false}

private

Definition at line 113 of file audioplayer.h.

Referenced by ReinitAudio().

◆ m_noAudioIn

bool AudioPlayer::m_noAudioIn {false}

private

Definition at line 116 of file audioplayer.h.

Referenced by CheckFormat(), and ReinitAudio().

◆ m_noAudioOut

bool AudioPlayer::m_noAudioOut {true}

private

Definition at line 117 of file audioplayer.h.

Referenced by AddAudioData(), AdjustVolume(), CheckFormat(), DeleteOutput(), GetAudioTime(), GetBufferStatus(), GetMuteState(), GetVolume(), IncrMuteState(), IsPaused(), Pause(), PauseAudioUntilBuffered(), ReinitAudio(), SetEffDsp(), SetMuted(), SetMuteState(), and SetVolume().

◆ m_parent

MythPlayer* AudioPlayer::m_parent {nullptr}

private

Definition at line 108 of file audioplayer.h.

Referenced by AddAudioData(), and ReinitAudio().

◆ m_passthruDevice

QString AudioPlayer::m_passthruDevice

private

Definition at line 115 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioInfo().

◆ m_state

MythAudioPlayerState AudioPlayer::m_state { }

private

Definition at line 110 of file audioplayer.h.

Referenced by CheckFormat(), ReinitAudio(), SetAudioInfo(), and SetAudioParams().

◆ m_stretchFactor

float AudioPlayer::m_stretchFactor {1.0F}

private

Definition at line 111 of file audioplayer.h.

Referenced by ReinitAudio(), and SetStretchFactor().

◆ m_visuals

std::vector<Visualization*> AudioPlayer::m_visuals

private

Definition at line 119 of file audioplayer.h.

Referenced by addVisual(), AddVisuals(), removeVisual(), RemoveVisuals(), ResetVisuals(), and ~AudioPlayer().

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

mythtv/libs/libmythtv/audioplayer.h
mythtv/libs/libmythtv/audioplayer.cpp

Signals

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ AudioPlayer()

◆ ~AudioPlayer()

Member Function Documentation

◆ AddAudioData()

◆ addVisual()

◆ AddVisuals()

◆ AdjustVolume()

◆ AudioPlayerStateChanged

◆ CanAC3()

◆ CanDownmix()

◆ CanDTS()

◆ CanDTSHD()

◆ CanEAC3()

◆ CanPassthrough()

◆ CanProcess() [1/2]

◆ CanProcess() [2/2]

◆ CanTrueHD()

◆ CanUpmix()

◆ CheckFormat()

◆ ControlsVolume()

◆ DecodeAudio()

◆ DeleteOutput()

◆ EnableUpmix()

◆ GetAudioBufferedTime()

◆ GetAudioOutput()

◆ GetAudioTime()

◆ GetBufferStatus()

◆ GetCodec()

◆ GetFormat()

◆ GetMaxChannels()

◆ GetMaxHDRate()

◆ GetMuteState()

◆ GetOrigChannels()

◆ GetSampleRate()

◆ GetStretchFactor()

◆ GetVolume()

◆ HasAudioIn()

◆ HasAudioOut()

◆ IncrMuteState()

◆ IsBufferAlmostFull()

◆ IsMuted()

◆ IsPaused()

◆ IsUpmixing()

◆ LengthLastData()

◆ NeedDecodingBeforePassthrough()

◆ Pause()

◆ PauseAudioUntilBuffered()

◆ ReinitAudio()

◆ removeVisual()

◆ RemoveVisuals()

◆ Reset()

◆ ResetVisuals()

◆ SetAudioInfo()

◆ SetAudioOutput()

◆ SetAudioParams()

◆ SetEffDsp()

◆ SetMuted()

◆ SetMuteState()

◆ SetNoAudio()

◆ SetStretchFactor()

◆ SetVolume()

Member Data Documentation

◆ m_audioOutput

◆ m_controlsVolume

◆ m_lock

◆ m_mainDevice

◆ m_mutedOnCreation

◆ m_noAudioIn

◆ m_noAudioOut

◆ m_parent

◆ m_passthruDevice

◆ m_state

◆ m_stretchFactor

◆ m_visuals