AudioOutput Class Reference

#include <audiooutput.h>

Inheritance diagram for AudioOutput:

List of all members.

Classes
class	AudioDeviceConfig
Public Types
typedef QVector < AudioDeviceConfig >	ADCVect
Public Member Functions
	AudioOutput ()
virtual	~AudioOutput ()
virtual void	Reconfigure (const AudioSettings &settings)=0
virtual void	SetStretchFactor (float factor)
virtual float	GetStretchFactor (void) const
virtual int	GetChannels (void) const
virtual AudioFormat	GetFormat (void) const
virtual int	GetBytesPerFrame (void) const
virtual AudioOutputSettings *	GetOutputSettingsCleaned (bool digital=true)
virtual AudioOutputSettings *	GetOutputSettingsUsers (bool digital=true)
virtual bool	CanPassthrough (int samplerate, int channels, int codec, int profile) const
virtual bool	CanDownmix (void) const
virtual void	SetEffDsp (int dsprate)=0
virtual void	Reset (void)=0
virtual bool	AddFrames (void *buffer, int frames, int64_t timecode)=0
virtual bool	AddData (void *buffer, int len, int64_t timecode, int frames)=0
	AddData: Add data to the audiobuffer for playback.
virtual bool	NeedDecodingBeforePassthrough (void) const
	NeedDecodingBeforePassthrough: returns true if AudioOutput class can determine the length in millisecond of native audio frames bitstreamed passed to AddData.
virtual int64_t	LengthLastData (void) const
	LengthLastData: returns the length of the last data added in millisecond.
virtual void	SetTimecode (int64_t timecode)=0
virtual bool	IsPaused (void) const =0
virtual void	Pause (bool paused)=0
virtual void	PauseUntilBuffered (void)=0
virtual void	Drain (void)=0
virtual int64_t	GetAudiotime (void)=0
virtual int64_t	GetAudioBufferedTime (void)
	report amount of audio buffered in milliseconds.
virtual void	SetSourceBitrate (int)
QString	GetError (void) const
QString	GetWarning (void) const
virtual void	GetBufferStatus (uint &fill, uint &total)
virtual void	bufferOutputData (bool y)=0
virtual int	readOutputData (unsigned char *read_buffer, int max_length)=0
virtual bool	IsUpmixing (void)=0
virtual bool	ToggleUpmix (void)=0
virtual bool	CanUpmix (void)=0
bool	PulseStatus (void)
Static Public Member Functions
static void	Cleanup (void)
static ADCVect *	GetOutputList (void)
static AudioDeviceConfig *	GetAudioDeviceConfig (QString &name, QString &desc, bool willsuspendpa=false)
static AudioOutput *	OpenAudio (const QString &audiodevice, const QString &passthrudevice, AudioFormat format, int channels, int codec, int samplerate, AudioOutputSource source, bool set_initial_vol, bool passthru, int upmixer_startup=0, AudioOutputSettings *custom=NULL)
static AudioOutput *	OpenAudio (AudioSettings &settings, bool willsuspendpa=true)
static AudioOutput *	OpenAudio (const QString &main_device, const QString &passthru_device=QString::null, bool willsuspendpa=true)
Protected Member Functions
void	Error (const QString &msg)
void	SilentError (const QString &msg)
void	Warn (const QString &msg)
void	ClearError (void)
void	ClearWarning (void)
Protected Attributes
QString	lastError
QString	lastWarn
bool	pulsewassuspended

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Detailed Description

Definition at line 14 of file audiooutput.h.

---

Member Typedef Documentation

typedef QVector<AudioDeviceConfig> AudioOutput::ADCVect

Definition at line 32 of file audiooutput.h.

---

Constructor & Destructor Documentation

AudioOutput::AudioOutput

(

)

[inline]

Definition at line 52 of file audiooutput.h.

AudioOutput::~AudioOutput

(

)

[virtual]

Definition at line 206 of file audiooutput.cpp.

---

Member Function Documentation

void AudioOutput::Cleanup

(

void

)

[static]

Definition at line 40 of file audiooutput.cpp.

AudioOutput::ADCVect * AudioOutput::GetOutputList

(

void

)

[static]

Definition at line 346 of file audiooutput.cpp.

Referenced by AudioConfigSettings::AudioRescan(), and AudioSetupWizard::Load().

AudioOutput::AudioDeviceConfig * AudioOutput::GetAudioDeviceConfig	(	QString &	name,
		QString &	desc,
		bool	willsuspendpa = false
	)		[static]

Definition at line 268 of file audiooutput.cpp.

Referenced by AudioConfigSettings::AudioConfigSettings(), AudioConfigSettings::AudioRescan(), AudioConfigSettings::CheckPassthrough(), and fillSelectionsFromDir().

AudioOutput * AudioOutput::OpenAudio	(	const QString &	audiodevice,
		const QString &	passthrudevice,
		AudioFormat	format,
		int	channels,
		int	codec,
		int	samplerate,
		AudioOutputSource	source,
		bool	set_initial_vol,
		bool	passthru,
		int	upmixer_startup = 0,
		AudioOutputSettings *	custom = NULL
	)		[static]

Definition at line 47 of file audiooutput.cpp.

Referenced by AudioTestThread::AudioTestThread(), MythRAOPConnection::OpenAudioDevice(), MusicPlayer::openOutputDevice(), and AudioPlayer::ReinitAudio().

AudioOutput * AudioOutput::OpenAudio	(	AudioSettings &	settings,
		bool	willsuspendpa = true
	)		[static]

Definition at line 69 of file audiooutput.cpp.

AudioOutput * AudioOutput::OpenAudio	(	const QString &	main_device,
		const QString &	passthru_device = QString::null,
		bool	willsuspendpa = true
	)		[static]

Definition at line 60 of file audiooutput.cpp.

virtual void AudioOutput::Reconfigure

(

const AudioSettings &

settings

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by avfDecoder::initialize(), CdDecoder::initialize(), and AudioPlayer::ReinitAudio().

void AudioOutput::SetStretchFactor

(

float

factor

)

[virtual]

Reimplemented in AudioOutputBase.

Definition at line 214 of file audiooutput.cpp.

Referenced by MusicPlayer::setSpeed(), and AudioPlayer::SetStretchFactor().

virtual float AudioOutput::GetStretchFactor

(

void

)

const [inline, virtual]

Reimplemented in AudioOutputBase.

Definition at line 62 of file audiooutput.h.

virtual int AudioOutput::GetChannels

(

void

)

const [inline, virtual]

Reimplemented in AudioOutputBase.

Definition at line 63 of file audiooutput.h.

virtual AudioFormat AudioOutput::GetFormat

(

void

)

const [inline, virtual]

Reimplemented in AudioOutputBase.

Definition at line 64 of file audiooutput.h.

virtual int AudioOutput::GetBytesPerFrame

(

void

)

const [inline, virtual]

Reimplemented in AudioOutputBase.

Definition at line 65 of file audiooutput.h.

Referenced by AudioPlayer::AddAudioData().

AudioOutputSettings * AudioOutput::GetOutputSettingsCleaned

(

bool

digital = true

)

[virtual]

Reimplemented in AudioOutputBase.

Definition at line 218 of file audiooutput.cpp.

Referenced by GetAudioDeviceConfig().

AudioOutputSettings * AudioOutput::GetOutputSettingsUsers

(

bool

digital = true

)

[virtual]

Reimplemented in AudioOutputBase.

Definition at line 223 of file audiooutput.cpp.

Referenced by AudioPlayer::GetMaxChannels(), AudioPlayer::GetMaxHDRate(), and TestDigitalFeature().

bool AudioOutput::CanPassthrough	(	int	samplerate,
		int	channels,
		int	codec,
		int	profile
	)		const [virtual]

Reimplemented in AudioReencodeBuffer, and AudioOutputBase.

Definition at line 228 of file audiooutput.cpp.

Referenced by AudioPlayer::CanPassthrough().

virtual bool AudioOutput::CanDownmix

(

void

)

const [inline, virtual]

Reimplemented in AudioOutputBase.

Definition at line 71 of file audiooutput.h.

Referenced by AudioPlayer::CanDownmix().

virtual void AudioOutput::SetEffDsp

(

int

dsprate

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by AudioPlayer::SetEffDsp().

virtual void AudioOutput::Reset

(

void

)

[pure virtual]

Implemented in AudioReencodeBuffer, AudioOutputBase, and AudioOutputNULL.

Referenced by MusicPlayer::decoderHandlerReady(), AudioPlayer::Reset(), MythRAOPConnection::ResetAudio(), MusicPlayer::stop(), and Transcode::TranscodeFile().

virtual bool AudioOutput::AddFrames	(	void *	buffer,
		int	frames,
		int64_t	timecode
	)		[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by AudioTestThread::run().

virtual bool AudioOutput::AddData	(	void *	buffer,
		int	len,
		int64_t	timecode,
		int	frames
	)		[pure virtual]

AddData: Add data to the audiobuffer for playback.

in: buffer : pointer to audio data len : length of audio data added timecode: timecode of the first sample added frames : number of frames added. out: return false if there wasn't enough space in audio buffer to process all the data

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by AudioPlayer::AddAudioData(), and MythRAOPConnection::ProcessAudio().

virtual bool AudioOutput::NeedDecodingBeforePassthrough

(

void

)

const [inline, virtual]

NeedDecodingBeforePassthrough: returns true if AudioOutput class can determine the length in millisecond of native audio frames bitstreamed passed to AddData.

If false, LengthLastData method must be implemented

Reimplemented in AudioOutputBase.

Definition at line 100 of file audiooutput.h.

Referenced by AudioPlayer::NeedDecodingBeforePassthrough().

virtual int64_t AudioOutput::LengthLastData

(

void

)

const [inline, virtual]

LengthLastData: returns the length of the last data added in millisecond.

This function must be implemented if NeedDecodingBeforePassthrough returned false

Reimplemented in AudioOutputBase.

Definition at line 107 of file audiooutput.h.

Referenced by AudioPlayer::LengthLastData(), and AudioTestThread::run().

virtual void AudioOutput::SetTimecode

(

int64_t

timecode

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by MusicCommon::seek(), and MusicPlayer::seek().

virtual bool AudioOutput::IsPaused

(

void

)

const [pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by MusicCommon::CreateCommon(), AudioPlayer::IsPaused(), MusicCommon::keyPressEvent(), and MusicPlayer::stop().

virtual void AudioOutput::Pause

(

bool

paused

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by AudioTestThread::AudioTestThread(), AudioPlayer::Pause(), MusicPlayer::pause(), and AudioTestThread::run().

virtual void AudioOutput::PauseUntilBuffered

(

void

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by avfDecoder::initialize(), CdDecoder::initialize(), AudioPlayer::PauseAudioUntilBuffered(), and CdDecoder::seek().

virtual void AudioOutput::Drain

(

void

)

[pure virtual]

Implemented in AudioReencodeBuffer, AudioOutputBase, and AudioOutputPulseAudio.

Referenced by AudioPlayer::AddAudioData(), avfDecoder::run(), CdDecoder::run(), and AudioTestThread::run().

virtual int64_t AudioOutput::GetAudiotime

(

void

)

[pure virtual]

Implemented in AudioReencodeBuffer, AudioOutputBase, and AudioOutputCA.

Referenced by AudioPlayer::GetAudioTime(), MythRAOPConnection::ProcessAudio(), MythRAOPConnection::ProcessSyncPacket(), and MainVisual::timeout().

virtual int64_t AudioOutput::GetAudioBufferedTime

(

void

)

[inline, virtual]

report amount of audio buffered in milliseconds.

Reimplemented in AudioOutputBase.

Definition at line 120 of file audiooutput.h.

Referenced by MythRAOPConnection::ProcessAudio().

virtual void AudioOutput::SetSourceBitrate

(

int

)

[inline, virtual]

Reimplemented in AudioOutputBase.

Definition at line 122 of file audiooutput.h.

Referenced by avfDecoder::initialize(), and CdDecoder::initialize().

QString AudioOutput::GetError

(

void

)

const [inline]

Definition at line 124 of file audiooutput.h.

Referenced by MythRAOPConnection::OpenAudioDevice(), MusicPlayer::openOutputDevice(), AudioOutputBase::Reconfigure(), AudioPlayer::ReinitAudio(), and AudioTestThread::result().

QString AudioOutput::GetWarning

(

void

)

const [inline]

Definition at line 125 of file audiooutput.h.

virtual void AudioOutput::GetBufferStatus	(	uint &	fill,
		uint &	total
	)		[inline, virtual]

Reimplemented in AudioOutputBase.

Definition at line 127 of file audiooutput.h.

Referenced by AudioPlayer::GetBufferStatus(), avfDecoder::run(), and CdDecoder::run().

virtual void AudioOutput::bufferOutputData

(

bool

y

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

virtual int AudioOutput::readOutputData	(	unsigned char *	read_buffer,
		int	max_length
	)		[pure virtual]

Implemented in AudioReencodeBuffer, AudioOutputBase, and AudioOutputNULL.

virtual bool AudioOutput::IsUpmixing

(

void

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by AudioPlayer::IsUpmixing().

virtual bool AudioOutput::ToggleUpmix

(

void

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by AudioPlayer::EnableUpmix(), and MusicCommon::toggleUpmix().

virtual bool AudioOutput::CanUpmix

(

void

)

[pure virtual]

Implemented in AudioReencodeBuffer, and AudioOutputBase.

Referenced by AudioPlayer::CanUpmix().

bool AudioOutput::PulseStatus

(

void

)

[inline]

Definition at line 138 of file audiooutput.h.

void AudioOutput::Error

(

const QString &

msg

)

[protected]

Definition at line 238 of file audiooutput.cpp.

Referenced by AudioOutputWin::OpenDevice(), AudioOutputDX::OpenDevice(), AudioOutputALSA::OpenDevice(), AudioOutputBase::Reconfigure(), AudioOutputALSA::SetParameters(), and AudioOutputALSA::WriteAudio().

void AudioOutput::SilentError

(

const QString &

msg

)

[protected]

Definition at line 245 of file audiooutput.cpp.

Referenced by AudioOutputBase::Reconfigure().

void AudioOutput::Warn

(

const QString &

msg

)

[protected]

Definition at line 251 of file audiooutput.cpp.

Referenced by AudioOutputALSA::GetOutputSettings().

void AudioOutput::ClearError

(

void

)

[protected]

Definition at line 258 of file audiooutput.cpp.

Referenced by AudioOutputBase::Reconfigure().

void AudioOutput::ClearWarning

(

void

)

[protected]

Definition at line 263 of file audiooutput.cpp.

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Member Data Documentation

QString AudioOutput::lastError [protected]

Definition at line 147 of file audiooutput.h.

QString AudioOutput::lastWarn [protected]

Definition at line 148 of file audiooutput.h.

bool AudioOutput::pulsewassuspended [protected]

Definition at line 149 of file audiooutput.h.

Referenced by OpenAudio().

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

• audiooutput.h
• audiooutput.cpp