AudioPlayer Class Reference

#include <audioplayer.h>

Collaboration diagram for AudioPlayer:

Public Member Functions
	AudioPlayer (MythPlayer *parent, bool muted)
	~AudioPlayer ()
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	GetNumChannels (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)
int64_t	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, int64_t timecode, int frames)
bool	NeedDecodingBeforePassthrough (void)
int64_t	LengthLastData (void)
bool	GetBufferStatus (uint &fill, uint &total)
bool	IsBufferAlmostFull (void)
int64_t	GetAudioBufferedTime (void)
AudioOutput *	GetAudioOutput (void) const
	Return internal AudioOutput object. More...

Private Member Functions
	Q_DECLARE_TR_FUNCTIONS (AudioPlayer)
void	AddVisuals (void)
void	RemoveVisuals (void)
void	ResetVisuals (void)

Private Attributes
MythPlayer *	m_parent {nullptr}
AudioOutput *	m_audioOutput {nullptr}
int	m_channels {-1}
int	m_origChannels {-1}
AVCodecID	m_codec {AV_CODEC_ID_NONE}
AudioFormat	m_format {FORMAT_NONE}
int	m_sampleRate {44100}
int	m_codecProfile {0}
float	m_stretchFactor {1.0F}
bool	m_passthru {false}
QMutex	m_lock {QMutex::Recursive}
bool	m_mutedOnCreation {false}
QString	m_mainDevice
QString	m_passthruDevice
bool	m_noAudioIn {false}
bool	m_noAudioOut {true}
bool	m_controlsVolume {true}
vector< MythTV::Visual * >	m_visuals

Detailed Description

Definition at line 26 of file audioplayer.h.

Constructor & Destructor Documentation

AudioPlayer()

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

Definition at line 12 of file audioplayer.cpp.

~AudioPlayer()

AudioPlayer::~AudioPlayer

(

)

Definition at line 19 of file audioplayer.cpp.

Member Function Documentation

Q_DECLARE_TR_FUNCTIONS()

AudioPlayer::Q_DECLARE_TR_FUNCTIONS ( AudioPlayer  )

private

addVisual()

void AudioPlayer::addVisual

(

MythTV::Visual *

vis

)

Definition at line 25 of file audioplayer.cpp.

Referenced by MythPlayer::EnableEdit(), and VideoVisual::VideoVisual().

removeVisual()

void AudioPlayer::removeVisual

(

MythTV::Visual *

vis

)

Definition at line 39 of file audioplayer.cpp.

Referenced by MythPlayer::DisableEdit(), and VideoVisual::~VideoVisual().

Reset()

void AudioPlayer::Reset

(

void

)

Definition at line 83 of file audioplayer.cpp.

Referenced by TV::ChangeChannel(), MythPlayer::ClearAfterSeek(), MythPlayer::PrebufferEnoughFrames(), and MythDVDDecoder::ReadPacket().

DeleteOutput()

void AudioPlayer::DeleteOutput

(

void

)

Definition at line 92 of file audioplayer.cpp.

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

ReinitAudio()

QString AudioPlayer::ReinitAudio

(

void

)

Definition at line 104 of file audioplayer.cpp.

Referenced by PlayerContext::CreatePlayer(), NuppelDecoder::OpenFile(), AvFormatDecoder::ScanStreams(), AvFormatDecoder::SetupAudioStream(), and Transcode::TranscodeFile().

SetAudioOutput()

void AudioPlayer::SetAudioOutput

(

AudioOutput *

ao

)

Definition at line 209 of file audioplayer.cpp.

Referenced by Transcode::TranscodeFile().

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 231 of file audioplayer.cpp.

Referenced by PlayerContext::CreatePlayer().

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 250 of file audioplayer.cpp.

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

SetEffDsp()

void AudioPlayer::SetEffDsp

(

int

dsprate

)

Definition at line 266 of file audioplayer.cpp.

Referenced by NuppelDecoder::GetFrame(), and NuppelDecoder::OpenFile().

CheckFormat()

void AudioPlayer::CheckFormat

(

void

)

Definition at line 177 of file audioplayer.cpp.

Referenced by MythPlayer::OpenFile().

SetNoAudio()

void AudioPlayer::SetNoAudio ( void  )

inline

Definition at line 51 of file audioplayer.h.

Referenced by PlayerContext::CreatePlayer().

HasAudioIn()

bool AudioPlayer::HasAudioIn ( void  ) const

inline

Definition at line 52 of file audioplayer.h.

Referenced by MythPlayer::AutoVisualise(), AvFormatDecoder::GetFrame(), AvFormatDecoder::ProcessAudioPacket(), AvFormatDecoder::RemoveAudioStreams(), and AvFormatDecoder::ScanStreams().

HasAudioOut()

bool AudioPlayer::HasAudioOut ( void  ) const

inline

Definition at line 53 of file audioplayer.h.

Referenced by MythPlayer::ChangeSpeed(), MythPlayer::DecoderLoop(), MythPlayer::ForceSetupAudioStream(), NuppelDecoder::GetFrame(), AvFormatDecoder::ProcessAudioPacket(), MythPlayer::SetDisablePassThrough(), and MythPlayer::syncWithAudioStretch().

ControlsVolume()

bool AudioPlayer::ControlsVolume ( void  ) const

inline

Definition at line 54 of file audioplayer.h.

Referenced by TV::GetStatus().

Pause()

bool AudioPlayer::Pause

(

bool

pause

)

Definition at line 183 of file audioplayer.cpp.

Referenced by MythPlayer::Pause(), MythPlayer::Play(), and MythPlayer::PrebufferEnoughFrames().

IsPaused()

bool AudioPlayer::IsPaused

(

void

)

Definition at line 193 of file audioplayer.cpp.

Referenced by MythPlayer::EventLoop().

PauseAudioUntilBuffered()

void AudioPlayer::PauseAudioUntilBuffered

(

void

)

Definition at line 201 of file audioplayer.cpp.

Referenced by TV::PauseAudioUntilBuffered().

GetCodec()

AVCodecID AudioPlayer::GetCodec ( void  ) const

inline

Definition at line 59 of file audioplayer.h.

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

GetNumChannels()

int AudioPlayer::GetNumChannels ( void  ) const

inline

Definition at line 60 of file audioplayer.h.

Referenced by VideoVisual::CanVisualise().

GetOrigChannels()

int AudioPlayer::GetOrigChannels ( void  ) const

inline

Definition at line 61 of file audioplayer.h.

Referenced by MythPlayer::GetCodecDescription().

GetSampleRate()

int AudioPlayer::GetSampleRate ( void  ) const

inline

Definition at line 62 of file audioplayer.h.

Referenced by MythPlayer::EnableEdit(), and MythPlayer::GetPlaybackData().

GetVolume()

uint AudioPlayer::GetVolume

(

void

)

Definition at line 219 of file audioplayer.cpp.

Referenced by AdjustVolume(), and SetVolume().

AdjustVolume()

uint AudioPlayer::AdjustVolume

(

int

change

)

Definition at line 321 of file audioplayer.cpp.

SetVolume()

uint AudioPlayer::SetVolume

(

int

newvolume

)

Definition at line 330 of file audioplayer.cpp.

GetStretchFactor()

float AudioPlayer::GetStretchFactor ( void  ) const

inline

Definition at line 66 of file audioplayer.h.

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

SetStretchFactor()

void AudioPlayer::SetStretchFactor

(

float

factor

)

Definition at line 373 of file audioplayer.cpp.

Referenced by MythPlayer::ChangeSpeed(), PlayerContext::CreatePlayer(), and ReinitAudio().

IsUpmixing()

bool AudioPlayer::IsUpmixing

(

void

)

Definition at line 347 of file audioplayer.cpp.

Referenced by EnableUpmix(), and TV::PlaybackMenuInit().

EnableUpmix()

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

Definition at line 355 of file audioplayer.cpp.

Referenced by TV::EnableUpmix().

CanUpmix()

bool AudioPlayer::CanUpmix

(

void

)

Definition at line 365 of file audioplayer.cpp.

Referenced by TV::PlaybackMenuInit().

CanPassthrough()

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

Definition at line 434 of file audioplayer.cpp.

Referenced by AvFormatDecoder::DoPassThrough().

CanDownmix()

bool AudioPlayer::CanDownmix

(

void

)

Definition at line 442 of file audioplayer.cpp.

Referenced by AvFormatDecoder::DecoderWillDownmix().

CanAC3()

bool AudioPlayer::CanAC3

(

void

)

Definition at line 395 of file audioplayer.cpp.

CanDTS()

bool AudioPlayer::CanDTS

(

void

)

Definition at line 400 of file audioplayer.cpp.

CanEAC3()

bool AudioPlayer::CanEAC3

(

void

)

Definition at line 405 of file audioplayer.cpp.

CanTrueHD()

bool AudioPlayer::CanTrueHD

(

void

)

Definition at line 410 of file audioplayer.cpp.

CanDTSHD()

bool AudioPlayer::CanDTSHD

(

void

)

Definition at line 415 of file audioplayer.cpp.

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

GetMaxChannels()

uint AudioPlayer::GetMaxChannels

(

void

)

Definition at line 420 of file audioplayer.cpp.

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

GetMaxHDRate()

int AudioPlayer::GetMaxHDRate

(

void

)

Definition at line 427 of file audioplayer.cpp.

GetAudioTime()

int64_t AudioPlayer::GetAudioTime

(

void

)

Definition at line 339 of file audioplayer.cpp.

Referenced by VideoVisual::GetNode().

GetFormat()

AudioFormat AudioPlayer::GetFormat ( void  ) const

inline

Definition at line 81 of file audioplayer.h.

Referenced by AvFormatDecoder::ProcessAudioPacket().

CanProcess() [1/2]

bool AudioPlayer::CanProcess

(

AudioFormat

fmt

)

Definition at line 517 of file audioplayer.cpp.

CanProcess() [2/2]

uint32_t AudioPlayer::CanProcess

(

void

)

Definition at line 524 of file audioplayer.cpp.

Referenced by SetAudioParams().

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 541 of file audioplayer.cpp.

Referenced by NuppelDecoder::GetFrame(), and AvFormatDecoder::ProcessAudioPacket().

IsMuted()

bool AudioPlayer::IsMuted ( void  )

inline

Definition at line 88 of file audioplayer.h.

Referenced by SetMuted().

SetMuted()

bool AudioPlayer::SetMuted

(

bool

mute

)

Definition at line 274 of file audioplayer.cpp.

GetMuteState()

MuteState AudioPlayer::GetMuteState

(

void

)

Definition at line 313 of file audioplayer.cpp.

Referenced by IncrMuteState().

SetMuteState()

MuteState AudioPlayer::SetMuteState

(

MuteState

mstate

)

Definition at line 298 of file audioplayer.cpp.

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

IncrMuteState()

MuteState AudioPlayer::IncrMuteState

(

void

)

Definition at line 306 of file audioplayer.cpp.

AddAudioData()

void AudioPlayer::AddAudioData	(	char *	buffer,
		int	len,
		int64_t	timecode,
		int	frames
	)

Definition at line 453 of file audioplayer.cpp.

Referenced by NuppelDecoder::GetFrame(), and AvFormatDecoder::ProcessAudioPacket().

NeedDecodingBeforePassthrough()

bool AudioPlayer::NeedDecodingBeforePassthrough

(

void

)

Definition at line 474 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

LengthLastData()

int64_t AudioPlayer::LengthLastData

(

void

)

Definition at line 481 of file audioplayer.cpp.

Referenced by AvFormatDecoder::ProcessAudioPacket().

GetBufferStatus()

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

Definition at line 488 of file audioplayer.cpp.

Referenced by IsBufferAlmostFull().

IsBufferAlmostFull()

bool AudioPlayer::IsBufferAlmostFull

(

void

)

Definition at line 497 of file audioplayer.cpp.

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

GetAudioBufferedTime()

int64_t AudioPlayer::GetAudioBufferedTime

(

void

)

Definition at line 511 of file audioplayer.cpp.

Referenced by IsBufferAlmostFull().

GetAudioOutput()

AudioOutput* AudioPlayer::GetAudioOutput ( void  ) const

inline

Return internal AudioOutput object.

Definition at line 104 of file audioplayer.h.

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

AddVisuals()

void AudioPlayer::AddVisuals ( void  )

private

Definition at line 53 of file audioplayer.cpp.

Referenced by ReinitAudio(), and SetAudioOutput().

RemoveVisuals()

void AudioPlayer::RemoveVisuals ( void  )

private

Definition at line 63 of file audioplayer.cpp.

Referenced by DeleteOutput().

ResetVisuals()

void AudioPlayer::ResetVisuals ( void  )

private

Definition at line 73 of file audioplayer.cpp.

Referenced by ReinitAudio(), and SetAudioParams().

Member Data Documentation

m_parent

MythPlayer* AudioPlayer::m_parent {nullptr}

private

Definition at line 112 of file audioplayer.h.

Referenced by AddAudioData(), and ReinitAudio().

m_audioOutput

AudioOutput* AudioPlayer::m_audioOutput {nullptr}

private

Definition at line 113 of file audioplayer.h.

Referenced by AddAudioData(), addVisual(), AddVisuals(), AdjustVolume(), CanAC3(), CanDownmix(), CanDTS(), CanDTSHD(), CanEAC3(), CanPassthrough(), CanProcess(), CanTrueHD(), CanUpmix(), DecodeAudio(), DeleteOutput(), EnableUpmix(), GetAudioBufferedTime(), GetAudioTime(), GetBufferStatus(), GetMaxChannels(), GetMaxHDRate(), GetMuteState(), GetVolume(), IncrMuteState(), IsPaused(), IsUpmixing(), LengthLastData(), NeedDecodingBeforePassthrough(), Pause(), PauseAudioUntilBuffered(), ReinitAudio(), removeVisual(), RemoveVisuals(), Reset(), ResetVisuals(), SetAudioOutput(), SetEffDsp(), SetMuted(), SetMuteState(), SetStretchFactor(), and SetVolume().

m_channels

int AudioPlayer::m_channels {-1}

private

Definition at line 114 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioParams().

m_origChannels

int AudioPlayer::m_origChannels {-1}

private

Definition at line 115 of file audioplayer.h.

Referenced by SetAudioParams().

m_codec

AVCodecID AudioPlayer::m_codec {AV_CODEC_ID_NONE}

private

Definition at line 116 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioParams().

m_format

AudioFormat AudioPlayer::m_format {FORMAT_NONE}

private

Definition at line 117 of file audioplayer.h.

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

m_sampleRate

int AudioPlayer::m_sampleRate {44100}

private

Definition at line 118 of file audioplayer.h.

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

m_codecProfile

int AudioPlayer::m_codecProfile {0}

private

Definition at line 119 of file audioplayer.h.

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

m_stretchFactor

float AudioPlayer::m_stretchFactor {1.0F}

private

Definition at line 120 of file audioplayer.h.

Referenced by ReinitAudio(), and SetStretchFactor().

m_passthru

bool AudioPlayer::m_passthru {false}

private

Definition at line 121 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioParams().

m_lock

QMutex AudioPlayer::m_lock {QMutex::Recursive}

private

Definition at line 122 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_mutedOnCreation

bool AudioPlayer::m_mutedOnCreation {false}

private

Definition at line 123 of file audioplayer.h.

Referenced by ReinitAudio().

m_mainDevice

QString AudioPlayer::m_mainDevice

private

Definition at line 124 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioInfo().

m_passthruDevice

QString AudioPlayer::m_passthruDevice

private

Definition at line 125 of file audioplayer.h.

Referenced by ReinitAudio(), and SetAudioInfo().

m_noAudioIn

bool AudioPlayer::m_noAudioIn {false}

private

Definition at line 126 of file audioplayer.h.

Referenced by CheckFormat(), and ReinitAudio().

m_noAudioOut

bool AudioPlayer::m_noAudioOut {true}

private

Definition at line 127 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_controlsVolume

bool AudioPlayer::m_controlsVolume {true}

private

Definition at line 128 of file audioplayer.h.

Referenced by AudioPlayer(), and ReinitAudio().

m_visuals

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

private

Definition at line 129 of file audioplayer.h.

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

---

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

• audioplayer.h
• audioplayer.cpp