#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 (MythTV::Visual *vis)

void	removeVisual (MythTV::Visual *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< MythTV::Visual * >	m_visuals

Detailed Description

Definition at line 22 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 452 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ addVisual()

void AudioPlayer::addVisual ( MythTV::Visual * 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 320 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 394 of file audioplayer.cpp.

◆ CanDownmix()

bool AudioPlayer::CanDownmix ( void )

Definition at line 441 of file audioplayer.cpp.

Referenced by AvFormatDecoder::DecoderWillDownmix().

◆ CanDTS()

bool AudioPlayer::CanDTS ( void )

Definition at line 399 of file audioplayer.cpp.

◆ CanDTSHD()

bool AudioPlayer::CanDTSHD ( void )

Definition at line 414 of file audioplayer.cpp.

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

◆ CanEAC3()

bool AudioPlayer::CanEAC3 ( void )

Definition at line 404 of file audioplayer.cpp.

◆ CanPassthrough()

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

Definition at line 433 of file audioplayer.cpp.

Referenced by AvFormatDecoder::DoPassThrough().

◆ CanProcess() [1/2]

bool AudioPlayer::CanProcess ( AudioFormat fmt )

Definition at line 516 of file audioplayer.cpp.

◆ CanProcess() [2/2]

uint32_t AudioPlayer::CanProcess ( void )

Definition at line 523 of file audioplayer.cpp.

Referenced by SetAudioParams().

◆ CanTrueHD()

bool AudioPlayer::CanTrueHD ( void )

Definition at line 409 of file audioplayer.cpp.

◆ CanUpmix()

bool AudioPlayer::CanUpmix ( void )

Definition at line 364 of file audioplayer.cpp.

◆ CheckFormat()

void AudioPlayer::CheckFormat ( void )

Definition at line 175 of file audioplayer.cpp.

Referenced by MythPlayer::OpenFile().

◆ ControlsVolume()

bool AudioPlayer::ControlsVolume ( void ) const

inline

Definition at line 53 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 540 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 354 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::EnableUpmix().

◆ GetAudioBufferedTime()

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

Definition at line 510 of file audioplayer.cpp.

Referenced by IsBufferAlmostFull().

◆ GetAudioOutput()

AudioOutput * AudioPlayer::GetAudioOutput ( void ) const

inline

Return internal AudioOutput object.

Definition at line 102 of file audioplayer.h.

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

◆ GetAudioTime()

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

Definition at line 338 of file audioplayer.cpp.

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

◆ GetBufferStatus()

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

Definition at line 487 of file audioplayer.cpp.

Referenced by IsBufferAlmostFull().

◆ GetCodec()

AVCodecID AudioPlayer::GetCodec ( void ) const

inline

Definition at line 58 of file audioplayer.h.

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

◆ GetFormat()

AudioFormat AudioPlayer::GetFormat ( void ) const

inline

Definition at line 79 of file audioplayer.h.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ GetMaxChannels()

uint AudioPlayer::GetMaxChannels ( void )

Definition at line 419 of file audioplayer.cpp.

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

◆ GetMaxHDRate()

int AudioPlayer::GetMaxHDRate ( void )

Definition at line 426 of file audioplayer.cpp.

◆ GetMuteState()

MuteState AudioPlayer::GetMuteState ( void )

Definition at line 312 of file audioplayer.cpp.

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

◆ GetOrigChannels()

int AudioPlayer::GetOrigChannels ( void ) const

inline

Definition at line 59 of file audioplayer.h.

Referenced by MythPlayerUI::GetCodecDescription().

◆ GetSampleRate()

int AudioPlayer::GetSampleRate ( void ) const

inline

Definition at line 60 of file audioplayer.h.

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

◆ GetStretchFactor()

float AudioPlayer::GetStretchFactor ( void ) const

inline

Definition at line 64 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 217 of file audioplayer.cpp.

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

◆ HasAudioIn()

bool AudioPlayer::HasAudioIn ( void ) const

inline

Definition at line 51 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 52 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 305 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ChangeMuteState().

◆ IsBufferAlmostFull()

bool AudioPlayer::IsBufferAlmostFull ( void )

Definition at line 496 of file audioplayer.cpp.

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

◆ IsMuted()

bool AudioPlayer::IsMuted ( void )

inline

Definition at line 86 of file audioplayer.h.

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

◆ IsPaused()

bool AudioPlayer::IsPaused ( void )

Definition at line 191 of file audioplayer.cpp.

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

◆ IsUpmixing()

bool AudioPlayer::IsUpmixing ( void )

Definition at line 346 of file audioplayer.cpp.

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

◆ LengthLastData()

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

Definition at line 480 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ NeedDecodingBeforePassthrough()

bool AudioPlayer::NeedDecodingBeforePassthrough ( void )

Definition at line 473 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

◆ Pause()

bool AudioPlayer::Pause ( bool pause )

Definition at line 181 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 199 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 ( MythTV::Visual * 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 229 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::SetupAudioOutput().

◆ SetAudioOutput()

void AudioPlayer::SetAudioOutput ( AudioOutput * ao )

Definition at line 207 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 249 of file audioplayer.cpp.

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

◆ SetEffDsp()

void AudioPlayer::SetEffDsp ( int dsprate )

Definition at line 265 of file audioplayer.cpp.

◆ SetMuted()

bool AudioPlayer::SetMuted ( bool mute )

Definition at line 273 of file audioplayer.cpp.

Referenced by MythPlayerAudioUI::ChangeMuteState().

◆ SetMuteState()

MuteState AudioPlayer::SetMuteState ( MuteState mstate )

Definition at line 297 of file audioplayer.cpp.

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

◆ SetNoAudio()

void AudioPlayer::SetNoAudio ( void )

inline

Definition at line 50 of file audioplayer.h.

◆ SetStretchFactor()

void AudioPlayer::SetStretchFactor ( float factor )

Definition at line 372 of file audioplayer.cpp.

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

◆ SetVolume()

uint AudioPlayer::SetVolume ( int newvolume )

Definition at line 329 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 120 of file audioplayer.h.

Referenced by AudioPlayer(), and ReinitAudio().

◆ m_lock

QRecursiveMutex AudioPlayer::m_lock

private

Definition at line 114 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 116 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioInfo().

◆ m_mutedOnCreation

bool AudioPlayer::m_mutedOnCreation {false}

private

Definition at line 115 of file audioplayer.h.

Referenced by ReinitAudio().

◆ m_noAudioIn

bool AudioPlayer::m_noAudioIn {false}

private

Definition at line 118 of file audioplayer.h.

Referenced by CheckFormat(), and ReinitAudio().

◆ m_noAudioOut

bool AudioPlayer::m_noAudioOut {true}

private

Definition at line 119 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 110 of file audioplayer.h.

Referenced by AddAudioData(), and ReinitAudio().

◆ m_passthruDevice

QString AudioPlayer::m_passthruDevice

private

Definition at line 117 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioInfo().

◆ m_state

MythAudioPlayerState AudioPlayer::m_state { }

private

Definition at line 112 of file audioplayer.h.

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

◆ m_stretchFactor

float AudioPlayer::m_stretchFactor {1.0F}

private

Definition at line 113 of file audioplayer.h.

Referenced by ReinitAudio(), and SetStretchFactor().

◆ m_visuals

std::vector<MythTV::Visual*> AudioPlayer::m_visuals

private

Definition at line 121 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