AudioOutputBase Class Reference

#include <audiooutputbase.h>

Inheritance diagram for AudioOutputBase:

Public Member Functions
const char *	quality_string (int q)
	AudioOutputBase (const AudioSettings &settings)
virtual	~AudioOutputBase ()
	Destructor.
AudioOutputSettings *	GetOutputSettingsCleaned (bool digital=true)
	Returns capabilities supported by the audio device amended to take into account the digital audio options (AC3, DTS, E-AC3 and TrueHD).
AudioOutputSettings *	GetOutputSettingsUsers (bool digital=false)
	Returns capabilities supported by the audio device amended to take into account the digital audio options (AC3, DTS, E-AC3 and TrueHD) as well as the user settings.
virtual void	Reconfigure (const AudioSettings &settings)
	(Re)Configure AudioOutputBase
virtual void	SetEffDsp (int dsprate)
	Set the effective DSP rate.
virtual void	SetStretchFactor (float factor)
	Set the timestretch factor.
virtual float	GetStretchFactor (void) const
	Get the timetretch factor.
virtual int	GetChannels (void) const
virtual AudioFormat	GetFormat (void) const
virtual int	GetBytesPerFrame (void) const
virtual bool	CanPassthrough (int samplerate, int channels, int codec, int profile) const
	Test if we can output digital audio and if sample rate is supported.
virtual bool	CanDownmix (void) const
virtual bool	IsUpmixing (void)
	Source is currently being upmixed.
virtual bool	ToggleUpmix (void)
	Toggle between stereo and upmixed 5.1 if the source material is stereo.
virtual bool	CanUpmix (void)
	Upmixing of the current source is available if requested.
virtual void	Reset (void)
	Reset the audiobuffer, timecode and mythmusic visualisation.
void	SetSWVolume (int new_volume, bool save)
	Set the volume for software volume control.
int	GetSWVolume (void)
	Get the volume for software volume control.
virtual bool	AddFrames (void *buffer, int frames, int64_t timecode)
	Add frames to the audiobuffer and perform any required processing.
virtual bool	AddData (void *buffer, int len, int64_t timecode, int frames)
	Add data to the audiobuffer and perform any required processing.
virtual bool	NeedDecodingBeforePassthrough () 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)
	Set the timecode of the samples most recently added to the audiobuffer.
virtual bool	IsPaused (void) const
virtual void	Pause (bool paused)
void	PauseUntilBuffered (void)
virtual void	Drain (void)
	Block until all available frames have been written to the device.
virtual int64_t	GetAudiotime (void)
	Calculate the timecode of the samples that are about to become audible.
virtual int64_t	GetAudioBufferedTime (void)
	Get the difference in timecode between the samples that are about to become audible and the samples most recently added to the audiobuffer, i.e.
virtual void	Status (void)
	Report status via an OutputEvent.
virtual void	SetSourceBitrate (int rate)
	Set the bitrate of the source material, reported in periodic OutputEvents.
virtual void	GetBufferStatus (uint &fill, uint &total)
	Fill in the number of bytes in the audiobuffer and the total size of the audiobuffer.
virtual void	bufferOutputData (bool y)
virtual int	readOutputData (unsigned char *read_buffer, int max_length)
Static Public Attributes
static const uint	kAudioSRCInputSize = 16384
static const uint	kAudioRingBufferSize = 3072000u
	Audio Buffer Size -- should be divisible by 32,24,16,12,10,8,6,4,2..
Protected Types
enum	{ QUALITY_DISABLED = -1, QUALITY_LOW = 0, QUALITY_MEDIUM = 1, QUALITY_HIGH = 2 }
Protected Member Functions
void	InitSettings (const AudioSettings &settings)
virtual bool	OpenDevice (void)=0
virtual void	CloseDevice (void)=0
virtual void	WriteAudio (uchar *aubuf, int size)=0
virtual int	GetBufferedOnSoundcard (void) const =0
	Return the size in bytes of frames currently in the audio buffer adjusted with the audio playback latency.
virtual AudioOutputSettings *	GetOutputSettings (bool digital)
void	KillAudio (void)
	Kill the output thread and cleanup.
virtual bool	StartOutputThread (void)
virtual void	StopOutputThread (void)
int	GetAudioData (uchar buffer, int buf_size, bool fill_buffer, volatile uint local_raud=NULL)
	Copy frames from the audiobuffer into the buffer provided.
void	OutputAudioLoop (void)
	Run in the output thread, write frames to the output device as they become available and there's space in the device buffer to write them.
virtual void	run ()
	Main routine for the output thread.
int	CheckFreeSpace (int &frames)
	Check that there's enough space in the audiobuffer to write the provided number of frames.
int	audiolen ()
	Get the number of bytes in the audiobuffer.
int	audiofree ()
	Get the free space in the audiobuffer in bytes.
int	audioready ()
	Get the scaled number of bytes in the audiobuffer, i.e.
void	SetStretchFactorLocked (float factor)
	Set the timestretch factor.
int	GetBaseAudBufTimeCode () const
Protected Attributes
int	channels
int	codec
int	bytes_per_frame
int	output_bytes_per_frame
AudioFormat	format
AudioFormat	output_format
int	samplerate
int	effdsp
int	fragment_size
long	soundcard_buffer_size
QString	main_device
QString	passthru_device
bool	m_discretedigital
bool	passthru
bool	enc
bool	reenc
float	stretchfactor
int	eff_stretchfactor
AudioOutputSource	source
bool	killaudio
bool	pauseaudio
bool	actually_paused
bool	was_paused
bool	unpause_when_ready
bool	set_initial_vol
bool	buffer_output_data_for_use
int	configured_channels
int	max_channels
int	src_quality
Private Member Functions
bool	SetupPassthrough (int codec, int codec_profile, int &samplerate_tmp, int &channels_tmp)
AudioOutputSettings *	OutputSettings (bool digital=true)
int	CopyWithUpmix (char *buffer, int frames, uint &org_waud)
	Copy frames into the audiobuffer, upmixing en route if necessary.
void	SetAudiotime (int frames, int64_t timecode)
	Set the timecode of the top of the ringbuffer Exclude all other processing elements as they dont vary between AddData calls.
Private Attributes
AudioOutputSettings *	output_settingsraw
AudioOutputSettings *	output_settings
AudioOutputSettings *	output_settingsdigitalraw
AudioOutputSettings *	output_settingsdigital
bool	need_resampler
SRC_STATE *	src_ctx
soundtouch::SoundTouch *	pSoundStretch
AudioOutputDigitalEncoder *	encoder
FreeSurround *	upmixer
int	source_channels
int	source_samplerate
int	source_bytes_per_frame
bool	upmix_default
bool	needs_upmix
bool	needs_downmix
int	surround_mode
float	old_stretchfactor
int	volume
QString	volumeControl
bool	processing
int64_t	frames_buffered
bool	audio_thread_exists
QMutex	audio_buflock
	Writes to the audiobuffer, reconfigures and audiobuffer resets can only take place while holding this lock.
QMutex	avsync_lock
	must hold avsync_lock to read or write 'audiotime' and 'audiotime_updated'
int64_t	audiotime
	timecode of audio leaving the soundcard (same units as timecodes)
volatile uint	raud
	Audio circular buffer.
volatile uint	waud
int64_t	audbuf_timecode
	timecode of audio most recently placed into buffer
AsyncLooseLock	reset_active
QMutex	killAudioLock
long	current_seconds
long	source_bitrate
float *	src_in
SRC_DATA	src_data
uint	memory_corruption_test0
float	src_in_buf [kAudioSRCInputSize+16]
uint	memory_corruption_test1
float *	src_out
int	kAudioSRCOutputSize
uint	memory_corruption_test2
uchar	audiobuffer [kAudioRingBufferSize]
	main audio buffer
uint	memory_corruption_test3
uint	m_configure_succeeded
int64_t	m_length_last_data
SPDIFEncoder *	m_spdifenc
bool	m_forcedprocessing
int	m_previousbpf

Detailed Description

Definition at line 51 of file audiooutputbase.h.

Member Enumeration Documentation

anonymous enum [protected]

Enumerator:

QUALITY_DISABLED
QUALITY_LOW
QUALITY_MEDIUM
QUALITY_HIGH

Definition at line 191 of file audiooutputbase.h.

Constructor & Destructor Documentation

AudioOutputBase::AudioOutputBase ( const AudioSettings & settings )

Definition at line 47 of file audiooutputbase.cpp.

AudioOutputBase::~AudioOutputBase ( ) [virtual]

Destructor.

You must kill the output thread via KillAudio() prior to destruction

Definition at line 131 of file audiooutputbase.cpp.

Member Function Documentation

const char * AudioOutputBase::quality_string ( int q )

Definition at line 35 of file audiooutputbase.cpp.

Referenced by AudioOutputBase(), and Reconfigure().

AudioOutputSettings * AudioOutputBase::GetOutputSettingsCleaned ( bool digital = true ) [virtual]

Returns capabilities supported by the audio device amended to take into account the digital audio options (AC3, DTS, E-AC3 and TrueHD).

Reimplemented from AudioOutput.

Definition at line 191 of file audiooutputbase.cpp.

Referenced by GetOutputSettingsUsers().

AudioOutputSettings * AudioOutputBase::GetOutputSettingsUsers ( bool digital = false ) [virtual]

Returns capabilities supported by the audio device amended to take into account the digital audio options (AC3, DTS, E-AC3 and TrueHD) as well as the user settings.

Reimplemented from AudioOutput.

Definition at line 221 of file audiooutputbase.cpp.

Referenced by InitSettings().

void AudioOutputBase::Reconfigure ( const AudioSettings & orig_settings ) [virtual]

(Re)Configure AudioOutputBase

Must be called from concrete subclasses

Implements AudioOutput.

Definition at line 488 of file audiooutputbase.cpp.

Referenced by AudioOutputALSA::AudioOutputALSA(), AudioOutputCA::AudioOutputCA(), AudioOutputDX::AudioOutputDX(), AudioOutputJACK::AudioOutputJACK(), AudioOutputNULL::AudioOutputNULL(), AudioOutputOSS::AudioOutputOSS(), AudioOutputPulseAudio::AudioOutputPulseAudio(), AudioOutputWin::AudioOutputWin(), and ToggleUpmix().

void AudioOutputBase::SetEffDsp ( int dsprate ) [virtual]

Set the effective DSP rate.

Equal to 100 * samples per second NuppelVideo sets this every sync frame to achieve av sync

Implements AudioOutput.

Definition at line 989 of file audiooutputbase.cpp.

void AudioOutputBase::SetStretchFactor ( float factor ) [virtual]

Set the timestretch factor.

Reimplemented from AudioOutput.

Definition at line 378 of file audiooutputbase.cpp.

float AudioOutputBase::GetStretchFactor ( void ) const [virtual]

Get the timetretch factor.

Reimplemented from AudioOutput.

Definition at line 387 of file audiooutputbase.cpp.

virtual int AudioOutputBase::GetChannels ( void ) const [inline, virtual]

Reimplemented from AudioOutput.

Definition at line 70 of file audiooutputbase.h.

virtual AudioFormat AudioOutputBase::GetFormat ( void ) const [inline, virtual]

Reimplemented from AudioOutput.

Definition at line 71 of file audiooutputbase.h.

virtual int AudioOutputBase::GetBytesPerFrame ( void ) const [inline, virtual]

Reimplemented from AudioOutput.

Definition at line 72 of file audiooutputbase.h.

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

Test if we can output digital audio and if sample rate is supported.

Reimplemented from AudioOutput.

Definition at line 246 of file audiooutputbase.cpp.

virtual bool AudioOutputBase::CanDownmix ( void ) const [inline, virtual]

Reimplemented from AudioOutput.

Definition at line 76 of file audiooutputbase.h.

bool AudioOutputBase::IsUpmixing ( void ) [virtual]

Source is currently being upmixed.

Implements AudioOutput.

Definition at line 395 of file audiooutputbase.cpp.

Referenced by ToggleUpmix().

bool AudioOutputBase::ToggleUpmix ( void ) [virtual]

Toggle between stereo and upmixed 5.1 if the source material is stereo.

Implements AudioOutput.

Definition at line 403 of file audiooutputbase.cpp.

bool AudioOutputBase::CanUpmix ( void ) [virtual]

Upmixing of the current source is available if requested.

Implements AudioOutput.

Definition at line 420 of file audiooutputbase.cpp.

void AudioOutputBase::Reset ( void ) [virtual]

Reset the audiobuffer, timecode and mythmusic visualisation.

Implements AudioOutput.

Reimplemented in AudioOutputNULL.

Definition at line 941 of file audiooutputbase.cpp.

Referenced by PauseUntilBuffered().

void AudioOutputBase::SetSWVolume	(	int	new_volume,
		bool	save
	)			`[virtual]`

Set the volume for software volume control.

Implements VolumeBase.

Definition at line 1163 of file audiooutputbase.cpp.

int AudioOutputBase::GetSWVolume ( void ) [virtual]

Get the volume for software volume control.

Implements VolumeBase.

Definition at line 1173 of file audiooutputbase.cpp.

bool AudioOutputBase::AddFrames	(	void *	in_buffer,
		int	in_frames,
		int64_t	timecode
	)			`[virtual]`

Add frames to the audiobuffer and perform any required processing.

Returns false if there's not enough space right now

Implements AudioOutput.

Definition at line 1306 of file audiooutputbase.cpp.

bool AudioOutputBase::AddData	(	void *	in_buffer,
		int	in_len,
		int64_t	timecode,
		int	frames
	)			`[virtual]`

Add data to the audiobuffer and perform any required processing.

Returns false if there's not enough space right now

Implements AudioOutput.

Definition at line 1318 of file audiooutputbase.cpp.

Referenced by AddFrames().

virtual bool AudioOutputBase::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 from AudioOutput.

Definition at line 89 of file audiooutputbase.h.

virtual int64_t AudioOutputBase::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 from AudioOutput.

Definition at line 90 of file audiooutputbase.h.

void AudioOutputBase::SetTimecode ( int64_t timecode ) [virtual]

Set the timecode of the samples most recently added to the audiobuffer.

Used by mythmusic for seeking since it doesn't provide timecodes to AddData()

Implements AudioOutput.

Definition at line 977 of file audiooutputbase.cpp.

virtual bool AudioOutputBase::IsPaused ( void ) const [inline, virtual]

Implements AudioOutput.

Definition at line 93 of file audiooutputbase.h.

void AudioOutputBase::Pause ( bool paused ) [virtual]

Implements AudioOutput.

Definition at line 920 of file audiooutputbase.cpp.

Referenced by AddData(), and PauseUntilBuffered().

void AudioOutputBase::PauseUntilBuffered ( void ) [virtual]

Implements AudioOutput.

Definition at line 931 of file audiooutputbase.cpp.

void AudioOutputBase::Drain ( void ) [virtual]

Block until all available frames have been written to the device.

Implements AudioOutput.

Reimplemented in AudioOutputPulseAudio.

Definition at line 1806 of file audiooutputbase.cpp.

int64_t AudioOutputBase::GetAudiotime ( void ) [virtual]

Calculate the timecode of the samples that are about to become audible.

Implements AudioOutput.

Reimplemented in AudioOutputCA.

Definition at line 1035 of file audiooutputbase.cpp.

Referenced by GetAudioBufferedTime(), OutputAudioLoop(), SetAudiotime(), and Status().

int64_t AudioOutputBase::GetAudioBufferedTime ( void ) [virtual]

Get the difference in timecode between the samples that are about to become audible and the samples most recently added to the audiobuffer, i.e.

the time in ms representing the sum total of buffered samples

Reimplemented from AudioOutput.

Definition at line 1151 of file audiooutputbase.cpp.

void AudioOutputBase::Status ( void ) [virtual]

Report status via an OutputEvent.

Definition at line 1599 of file audiooutputbase.cpp.

Referenced by AudioOutputJACK::JackCallback(), and OutputAudioLoop().

void AudioOutputBase::SetSourceBitrate ( int rate ) [virtual]

Set the bitrate of the source material, reported in periodic OutputEvents.

Reimplemented from AudioOutput.

Definition at line 305 of file audiooutputbase.cpp.

void AudioOutputBase::GetBufferStatus	(	uint &	fill,
		uint &	total
	)			`[virtual]`

Fill in the number of bytes in the audiobuffer and the total size of the audiobuffer.

Reimplemented from AudioOutput.

Definition at line 1623 of file audiooutputbase.cpp.

virtual void AudioOutputBase::bufferOutputData ( bool y ) [inline, virtual]

Implements AudioOutput.

Definition at line 111 of file audiooutputbase.h.

int AudioOutputBase::readOutputData	(	unsigned char *	read_buffer,
		int	max_length
	)			`[virtual]`

Implements AudioOutput.

Reimplemented in AudioOutputNULL.

Definition at line 1824 of file audiooutputbase.cpp.

void AudioOutputBase::InitSettings ( const AudioSettings & settings ) [protected]

Definition at line 155 of file audiooutputbase.cpp.

Referenced by AudioOutputALSA::AudioOutputALSA(), AudioOutputCA::AudioOutputCA(), AudioOutputDX::AudioOutputDX(), AudioOutputJACK::AudioOutputJACK(), AudioOutputNULL::AudioOutputNULL(), AudioOutputOSS::AudioOutputOSS(), AudioOutputPulseAudio::AudioOutputPulseAudio(), and AudioOutputWin::AudioOutputWin().

virtual bool AudioOutputBase::OpenDevice ( void ) [protected, pure virtual]

Implemented in AudioOutputALSA, AudioOutputCA, AudioOutputDX, AudioOutputJACK, AudioOutputNULL, AudioOutputOSS, AudioOutputPulseAudio, and AudioOutputWin.

Referenced by Reconfigure().

virtual void AudioOutputBase::CloseDevice ( void ) [protected, pure virtual]

Implemented in AudioOutputALSA, AudioOutputCA, AudioOutputDX, AudioOutputJACK, AudioOutputNULL, AudioOutputOSS, AudioOutputPulseAudio, and AudioOutputWin.

Referenced by KillAudio().

virtual void AudioOutputBase::WriteAudio	(	uchar *	aubuf,
		int	size
	)			`[protected, pure virtual]`

Implemented in AudioOutputALSA.

Referenced by OutputAudioLoop().

virtual int AudioOutputBase::GetBufferedOnSoundcard ( void ) const [protected, pure virtual]

Return the size in bytes of frames currently in the audio buffer adjusted with the audio playback latency.

Implemented in AudioOutputALSA, AudioOutputCA, AudioOutputDX, AudioOutputJACK, AudioOutputNULL, AudioOutputOSS, AudioOutputPulseAudio, and AudioOutputWin.

Referenced by GetAudiotime().

virtual AudioOutputSettings* AudioOutputBase::GetOutputSettings ( bool digital ) [inline, protected, virtual]

Reimplemented in AudioOutputALSA, AudioOutputCA, AudioOutputDX, AudioOutputJACK, AudioOutputNULL, AudioOutputOSS, AudioOutputPulseAudio, and AudioOutputWin.

Definition at line 133 of file audiooutputbase.h.

Referenced by GetOutputSettingsCleaned().

void AudioOutputBase::KillAudio ( void ) [protected]

Kill the output thread and cleanup.

Definition at line 878 of file audiooutputbase.cpp.

Referenced by Reconfigure(), AudioOutputALSA::~AudioOutputALSA(), AudioOutputCA::~AudioOutputCA(), AudioOutputDX::~AudioOutputDX(), AudioOutputJACK::~AudioOutputJACK(), AudioOutputNULL::~AudioOutputNULL(), AudioOutputOSS::~AudioOutputOSS(), AudioOutputPulseAudio::~AudioOutputPulseAudio(), and AudioOutputWin::~AudioOutputWin().

bool AudioOutputBase::StartOutputThread ( void ) [protected, virtual]

Reimplemented in AudioOutputCA, and AudioOutputJACK.

Definition at line 854 of file audiooutputbase.cpp.

Referenced by Reconfigure().

void AudioOutputBase::StopOutputThread ( void ) [protected, virtual]

Reimplemented in AudioOutputCA, and AudioOutputJACK.

Definition at line 866 of file audiooutputbase.cpp.

Referenced by KillAudio().

int AudioOutputBase::GetAudioData	(	uchar *	buffer,
		int	size,
		bool	full_buffer,
		volatile uint *	local_raud = `NULL`
	)			`[protected]`

Copy frames from the audiobuffer into the buffer provided.

If 'full_buffer' is true we copy either 'size' bytes (if available) or nothing. Otherwise, we'll copy less than 'size' bytes if that's all that's available. Returns the number of bytes copied.

Definition at line 1729 of file audiooutputbase.cpp.

Referenced by AudioOutputJACK::JackCallback(), OutputAudioLoop(), and AudioOutputCA::RenderAudio().

void AudioOutputBase::OutputAudioLoop ( void ) [protected]

Run in the output thread, write frames to the output device as they become available and there's space in the device buffer to write them.

Definition at line 1634 of file audiooutputbase.cpp.

Referenced by run().

void AudioOutputBase::run ( void ) [protected, virtual]

Main routine for the output thread.

Reimplemented from MThread.

Definition at line 1815 of file audiooutputbase.cpp.

int AudioOutputBase::CheckFreeSpace ( int & frames ) [protected]

Check that there's enough space in the audiobuffer to write the provided number of frames.

If there is not enough space, set 'frames' to the number that will fit

Returns the number of bytes that the frames will take up

Definition at line 1186 of file audiooutputbase.cpp.

Referenced by AddData(), and CopyWithUpmix().

int AudioOutputBase::audiolen ( ) [inline, protected]

Get the number of bytes in the audiobuffer.

Definition at line 998 of file audiooutputbase.cpp.

Referenced by audiofree(), and audioready().

int AudioOutputBase::audiofree ( ) [protected]

Get the free space in the audiobuffer in bytes.

Definition at line 1009 of file audiooutputbase.cpp.

Referenced by AddData(), CheckFreeSpace(), and GetBufferStatus().

int AudioOutputBase::audioready ( ) [protected]

Get the scaled number of bytes in the audiobuffer, i.e.

the number of samples * the output bytes per sample

This value can differ from that returned by audiolen if samples are being converted to floats and the output sample format is not 32 bits

Definition at line 1024 of file audiooutputbase.cpp.

Referenced by AddData(), Drain(), GetAudioData(), AudioOutputCA::GetAudiotime(), GetAudiotime(), and OutputAudioLoop().

void AudioOutputBase::SetStretchFactorLocked ( float lstretchfactor ) [protected]

Set the timestretch factor.

You must hold the audio_buflock to call this safely

Definition at line 316 of file audiooutputbase.cpp.

Referenced by Reconfigure(), and SetStretchFactor().

int AudioOutputBase::GetBaseAudBufTimeCode ( ) const [inline, protected]

Definition at line 158 of file audiooutputbase.h.

Referenced by AudioOutputCA::GetAudiotime().

bool AudioOutputBase::SetupPassthrough	(	int	codec,
		int	codec_profile,
		int &	samplerate_tmp,
		int &	channels_tmp
	)			`[private]`

Definition at line 429 of file audiooutputbase.cpp.

Referenced by Reconfigure().

AudioOutputSettings * AudioOutputBase::OutputSettings ( bool digital = true ) [private]

Definition at line 476 of file audiooutputbase.cpp.

Referenced by Reconfigure().

int AudioOutputBase::CopyWithUpmix	(	char *	buffer,
		int	frames,
		uint &	org_waud
	)			`[private]`

Copy frames into the audiobuffer, upmixing en route if necessary.

Returns the number of frames written, which may be less than requested if the upmixer buffered some (or all) of them

Definition at line 1221 of file audiooutputbase.cpp.

Referenced by AddData().

void AudioOutputBase::SetAudiotime	(	int	frames,
		int64_t	timecode
	)			`[private]`

Set the timecode of the top of the ringbuffer Exclude all other processing elements as they dont vary between AddData calls.

Definition at line 1101 of file audiooutputbase.cpp.

Referenced by AddData().

Member Data Documentation

const uint AudioOutputBase::kAudioSRCInputSize = 16384 [static]

Definition at line 114 of file audiooutputbase.h.

Referenced by AddData(), and Reconfigure().

const uint AudioOutputBase::kAudioRingBufferSize = 3072000u [static]

Audio Buffer Size -- should be divisible by 32,24,16,12,10,8,6,4,2..

Definition at line 117 of file audiooutputbase.h.

Referenced by AddData(), audiofree(), audiolen(), CopyWithUpmix(), GetAudioData(), GetBufferStatus(), and Reset().

int AudioOutputBase::channels [protected]

int AudioOutputBase::codec [protected]

Definition at line 163 of file audiooutputbase.h.

Referenced by Reconfigure(), and ToggleUpmix().

int AudioOutputBase::bytes_per_frame [protected]

Definition at line 164 of file audiooutputbase.h.

Referenced by AddData(), audioready(), CheckFreeSpace(), CopyWithUpmix(), GetAudiotime(), Reconfigure(), and SetStretchFactorLocked().

AudioFormat AudioOutputBase::format [protected]

Definition at line 166 of file audiooutputbase.h.

Referenced by AddData(), CopyWithUpmix(), GetFormat(), AudioOutputOSS::OpenDevice(), AudioOutputALSA::OpenDevice(), Reconfigure(), Status(), and ToggleUpmix().

AudioFormat AudioOutputBase::output_format [protected]

Definition at line 167 of file audiooutputbase.h.

Referenced by GetAudioData(), CoreAudioData::OpenAnalog(), AudioOutputWin::OpenDevice(), AudioOutputPulseAudio::OpenDevice(), AudioOutputOSS::OpenDevice(), AudioOutputDX::OpenDevice(), AudioOutputALSA::OpenDevice(), Reconfigure(), AudioOutputCA::RenderAudio(), and AudioOutputALSA::WriteAudio().

int AudioOutputBase::samplerate [protected]

Definition at line 168 of file audiooutputbase.h.

Referenced by AudioOutputPulseAudio::ConnectPlaybackStream(), GetAudiotime(), AudioOutputPulseAudio::GetBufferedOnSoundcard(), AudioOutputJACK::JackXRunCallback(), CoreAudioData::OpenAnalog(), AudioOutputWin::OpenDevice(), AudioOutputPulseAudio::OpenDevice(), AudioOutputOSS::OpenDevice(), AudioOutputJACK::OpenDevice(), AudioOutputDX::OpenDevice(), AudioOutputALSA::OpenDevice(), CoreAudioData::OpenSPDIF(), OutputAudioLoop(), Reconfigure(), and SetStretchFactorLocked().

int AudioOutputBase::effdsp [protected]

Definition at line 170 of file audiooutputbase.h.

Referenced by AudioOutputCA::GetAudiotime(), GetAudiotime(), Reconfigure(), AudioOutputCA::RenderAudio(), SetAudiotime(), and SetEffDsp().

int AudioOutputBase::fragment_size [protected]

Definition at line 171 of file audiooutputbase.h.

Referenced by AddData(), AudioOutputPulseAudio::ConnectPlaybackStream(), Drain(), AudioOutputWin::GetBufferedOnSoundcard(), AudioOutputJACK::GetBufferedOnSoundcard(), AudioOutputJACK::JackCallback(), AudioOutputJACK::JackXRunCallback(), AudioOutputWin::OpenDevice(), AudioOutputOSS::OpenDevice(), AudioOutputNULL::OpenDevice(), AudioOutputJACK::OpenDevice(), AudioOutputDX::OpenDevice(), OutputAudioLoop(), Reconfigure(), and AudioOutputALSA::SetParameters().

long AudioOutputBase::soundcard_buffer_size [protected]

Definition at line 172 of file audiooutputbase.h.

Referenced by AudioOutputPulseAudio::ConnectPlaybackStream(), AudioOutputDXPrivate::FillBuffer(), AudioOutputDX::GetBufferedOnSoundcard(), AudioOutputWin::OpenDevice(), AudioOutputOSS::OpenDevice(), AudioOutputNULL::OpenDevice(), AudioOutputDX::OpenDevice(), and AudioOutputALSA::SetParameters().

QString AudioOutputBase::main_device [protected]

Definition at line 174 of file audiooutputbase.h.

Referenced by AudioOutputJACK::_jack_get_ports(), AudioOutputALSA::AudioOutputALSA(), AudioOutputCA::AudioOutputCA(), AudioOutputDX::AudioOutputDX(), AudioOutputPulseAudio::ChooseHost(), AudioOutputOSS::GetOutputSettings(), AudioOutputALSA::GetOutputSettings(), AudioOutputDXPrivate::InitDirectSound(), AudioOutputOSS::OpenDevice(), AudioOutputJACK::OpenDevice(), Reconfigure(), and AudioOutputALSA::TryOpenDevice().

QString AudioOutputBase::passthru_device [protected]

Definition at line 174 of file audiooutputbase.h.

Referenced by AudioOutputALSA::AudioOutputALSA(), AudioOutputDX::AudioOutputDX(), AudioOutputALSA::GetOutputSettings(), AudioOutputDXPrivate::InitDirectSound(), and AudioOutputALSA::TryOpenDevice().

bool AudioOutputBase::m_discretedigital [protected]

Definition at line 175 of file audiooutputbase.h.

Referenced by AudioOutputALSA::AudioOutputALSA(), AudioOutputDX::AudioOutputDX(), AudioOutputALSA::GetOutputSettings(), GetOutputSettingsCleaned(), GetOutputSettingsUsers(), and AudioOutputALSA::TryOpenDevice().

bool AudioOutputBase::passthru [protected]

Definition at line 177 of file audiooutputbase.h.

Referenced by AddData(), audioready(), CanUpmix(), GetAudioData(), AudioOutputWin::OpenDevice(), AudioOutputOSS::OpenDevice(), AudioOutputDX::OpenDevice(), AudioOutputCA::OpenDevice(), AudioOutputALSA::OpenDevice(), Reconfigure(), AudioOutputCA::RenderAudio(), ToggleUpmix(), and AudioOutputALSA::WriteAudio().

bool AudioOutputBase::enc [protected]

Definition at line 177 of file audiooutputbase.h.

Referenced by audioready(), GetAudioData(), KillAudio(), AudioOutputWin::OpenDevice(), AudioOutputDX::OpenDevice(), AudioOutputCA::OpenDevice(), AudioOutputALSA::OpenDevice(), and Reconfigure().

bool AudioOutputBase::reenc [protected]

Definition at line 177 of file audiooutputbase.h.

Referenced by Reconfigure().

float AudioOutputBase::stretchfactor [protected]

Definition at line 179 of file audiooutputbase.h.

Referenced by AddData(), AudioOutputCA::GetAudiotime(), GetAudiotime(), GetStretchFactor(), KillAudio(), Reconfigure(), and SetStretchFactorLocked().

int AudioOutputBase::eff_stretchfactor [protected]

Definition at line 180 of file audiooutputbase.h.

Referenced by GetAudiotime(), SetAudiotime(), and SetStretchFactorLocked().

AudioOutputSource AudioOutputBase::source [protected]

Definition at line 181 of file audiooutputbase.h.

Referenced by Reconfigure().

bool AudioOutputBase::killaudio [protected]

Definition at line 183 of file audiooutputbase.h.

Referenced by AudioOutputJACK::JackCallback(), KillAudio(), OutputAudioLoop(), Reconfigure(), AudioOutputCA::RenderAudio(), and ~AudioOutputBase().

bool AudioOutputBase::pauseaudio [protected]

Definition at line 185 of file audiooutputbase.h.

Referenced by AddData(), AudioOutputJACK::JackCallback(), OutputAudioLoop(), Pause(), Reconfigure(), AudioOutputCA::RenderAudio(), and Reset().

bool AudioOutputBase::actually_paused [protected]

Definition at line 185 of file audiooutputbase.h.

Referenced by IsPaused(), AudioOutputJACK::JackCallback(), OutputAudioLoop(), Pause(), Reconfigure(), and AudioOutputCA::RenderAudio().

bool AudioOutputBase::was_paused [protected]

Definition at line 185 of file audiooutputbase.h.

Referenced by AudioOutputJACK::JackCallback(), OutputAudioLoop(), Pause(), Reconfigure(), and Reset().

bool AudioOutputBase::unpause_when_ready [protected]

Definition at line 185 of file audiooutputbase.h.

Referenced by AddData(), Pause(), PauseUntilBuffered(), and Reconfigure().

bool AudioOutputBase::set_initial_vol [protected]

Definition at line 186 of file audiooutputbase.h.

Referenced by AudioOutputPulseAudio::ConnectPlaybackStream(), AudioOutputCA::OpenDevice(), AudioOutputALSA::OpenMixer(), Reconfigure(), AudioOutputOSS::VolumeInit(), and AudioOutputJACK::VolumeInit().

bool AudioOutputBase::buffer_output_data_for_use [protected]

Definition at line 187 of file audiooutputbase.h.

Referenced by bufferOutputData(), AudioOutputNULL::GetBufferedOnSoundcard(), AudioOutputNULL::Reset(), and AudioOutputNULL::WriteAudio().

int AudioOutputBase::configured_channels [protected]

Definition at line 189 of file audiooutputbase.h.

Referenced by AddData(), CopyWithUpmix(), GetAudioData(), InitSettings(), Reconfigure(), and SetStretchFactorLocked().

int AudioOutputBase::max_channels [protected]

Definition at line 190 of file audiooutputbase.h.

Referenced by CanPassthrough(), InitSettings(), Reconfigure(), and ToggleUpmix().

int AudioOutputBase::src_quality [protected]

Definition at line 198 of file audiooutputbase.h.

Referenced by AudioOutputBase(), Reconfigure(), and AudioOutputALSA::SetParameters().

AudioOutputSettings* AudioOutputBase::output_settingsraw [private]

Definition at line 206 of file audiooutputbase.h.

Referenced by GetOutputSettingsCleaned(), and ~AudioOutputBase().

AudioOutputSettings* AudioOutputBase::output_settings [private]

Definition at line 207 of file audiooutputbase.h.

Referenced by AddData(), CopyWithUpmix(), GetAudioData(), GetOutputSettingsUsers(), InitSettings(), OutputSettings(), Reconfigure(), Status(), and ~AudioOutputBase().

AudioOutputSettings* AudioOutputBase::output_settingsdigitalraw [private]

Definition at line 208 of file audiooutputbase.h.

Referenced by GetOutputSettingsCleaned(), and ~AudioOutputBase().

AudioOutputSettings* AudioOutputBase::output_settingsdigital [private]

Definition at line 209 of file audiooutputbase.h.

Referenced by CanPassthrough(), GetOutputSettingsUsers(), InitSettings(), OutputSettings(), Reconfigure(), SetupPassthrough(), and ~AudioOutputBase().

bool AudioOutputBase::need_resampler [private]

Definition at line 210 of file audiooutputbase.h.

Referenced by AddData(), KillAudio(), and Reconfigure().

SRC_STATE* AudioOutputBase::src_ctx [private]

Definition at line 211 of file audiooutputbase.h.

Referenced by AddData(), CheckFreeSpace(), KillAudio(), and Reconfigure().

soundtouch::SoundTouch* AudioOutputBase::pSoundStretch [private]

Definition at line 212 of file audiooutputbase.h.

Referenced by AddData(), KillAudio(), Reset(), SetAudiotime(), and SetStretchFactorLocked().

AudioOutputDigitalEncoder* AudioOutputBase::encoder [private]

Definition at line 213 of file audiooutputbase.h.

Referenced by AddData(), KillAudio(), Reconfigure(), Reset(), and SetAudiotime().

FreeSurround* AudioOutputBase::upmixer [private]

Definition at line 214 of file audiooutputbase.h.

Referenced by AddData(), CopyWithUpmix(), IsUpmixing(), KillAudio(), Reconfigure(), Reset(), and SetAudiotime().

int AudioOutputBase::source_channels [private]

Definition at line 216 of file audiooutputbase.h.

Referenced by AddData(), CopyWithUpmix(), Reconfigure(), SetStretchFactorLocked(), Status(), and ToggleUpmix().

int AudioOutputBase::source_samplerate [private]

Definition at line 217 of file audiooutputbase.h.

Referenced by AddData(), Reconfigure(), SetTimecode(), Status(), and ToggleUpmix().

int AudioOutputBase::source_bytes_per_frame [private]

Definition at line 218 of file audiooutputbase.h.

Referenced by AddData(), AddFrames(), GetBytesPerFrame(), and Reconfigure().

bool AudioOutputBase::upmix_default [private]

Definition at line 219 of file audiooutputbase.h.

Referenced by InitSettings(), Reconfigure(), and ToggleUpmix().

bool AudioOutputBase::needs_upmix [private]

Definition at line 220 of file audiooutputbase.h.

Referenced by AddData(), CopyWithUpmix(), IsUpmixing(), KillAudio(), Reconfigure(), Reset(), SetAudiotime(), and SetStretchFactorLocked().

bool AudioOutputBase::needs_downmix [private]

Definition at line 221 of file audiooutputbase.h.

Referenced by AddData(), Reconfigure(), and SetStretchFactorLocked().

int AudioOutputBase::surround_mode [private]

Definition at line 222 of file audiooutputbase.h.

Referenced by Reconfigure().

float AudioOutputBase::old_stretchfactor [private]

Definition at line 223 of file audiooutputbase.h.

Referenced by KillAudio(), and Reconfigure().

int AudioOutputBase::volume [private]

Reimplemented from VolumeBase.

Definition at line 224 of file audiooutputbase.h.

Referenced by AddData(), AudioOutputPulseAudio::ConnectPlaybackStream(), GetSWVolume(), AudioOutputOSS::GetVolumeChannel(), AudioOutputDX::GetVolumeChannel(), AudioOutputCA::GetVolumeChannel(), Reconfigure(), SetSWVolume(), AudioOutputOSS::VolumeInit(), and AudioOutputJACK::VolumeInit().

QString AudioOutputBase::volumeControl [private]

Definition at line 225 of file audiooutputbase.h.

Referenced by Reconfigure(), and SetSWVolume().

bool AudioOutputBase::processing [private]

Definition at line 227 of file audiooutputbase.h.

Referenced by AddData(), CopyWithUpmix(), GetAudioData(), Reconfigure(), and SetStretchFactorLocked().

int64_t AudioOutputBase::frames_buffered [private]

Definition at line 229 of file audiooutputbase.h.

Referenced by AddData(), Reconfigure(), Reset(), and SetTimecode().

bool AudioOutputBase::audio_thread_exists [private]

Definition at line 231 of file audiooutputbase.h.

Referenced by StartOutputThread(), and StopOutputThread().

QMutex AudioOutputBase::audio_buflock [private]

Writes to the audiobuffer, reconfigures and audiobuffer resets can only take place while holding this lock.

Definition at line 237 of file audiooutputbase.h.

Referenced by AddData(), KillAudio(), Reconfigure(), Reset(), and SetStretchFactor().

QMutex AudioOutputBase::avsync_lock [private]

must hold avsync_lock to read or write 'audiotime' and 'audiotime_updated'

Definition at line 243 of file audiooutputbase.h.

Referenced by GetAudiotime(), Reconfigure(), and Reset().

int64_t AudioOutputBase::audiotime [private]

timecode of audio leaving the soundcard (same units as timecodes)

Definition at line 248 of file audiooutputbase.h.

Referenced by GetAudiotime(), OutputAudioLoop(), Reconfigure(), Reset(), SetAudiotime(), and SetTimecode().

volatile uint AudioOutputBase::raud [private]

Audio circular buffer.

Definition at line 253 of file audiooutputbase.h.

Referenced by audiolen(), GetAudioData(), OutputAudioLoop(), Reconfigure(), Reset(), and SetStretchFactorLocked().

volatile uint AudioOutputBase::waud [private]

Definition at line 253 of file audiooutputbase.h.

Referenced by AddData(), audiolen(), Reconfigure(), Reset(), and SetStretchFactorLocked().

int64_t AudioOutputBase::audbuf_timecode [private]

timecode of audio most recently placed into buffer

Definition at line 257 of file audiooutputbase.h.

Referenced by GetAudioBufferedTime(), AudioOutputCA::GetAudiotime(), GetAudiotime(), GetBaseAudBufTimeCode(), Reconfigure(), Reset(), SetAudiotime(), and SetTimecode().

AsyncLooseLock AudioOutputBase::reset_active [private]

Definition at line 258 of file audiooutputbase.h.

Referenced by OutputAudioLoop(), Reconfigure(), Reset(), and SetStretchFactorLocked().

QMutex AudioOutputBase::killAudioLock [private]

Reimplemented in AudioOutputALSA.

Definition at line 260 of file audiooutputbase.h.

Referenced by KillAudio().

long AudioOutputBase::current_seconds [private]

Definition at line 262 of file audiooutputbase.h.

Referenced by Reconfigure(), Reset(), and Status().

long AudioOutputBase::source_bitrate [private]

Definition at line 263 of file audiooutputbase.h.

Referenced by Reconfigure(), SetSourceBitrate(), and Status().

float* AudioOutputBase::src_in [private]

Definition at line 265 of file audiooutputbase.h.

Referenced by AddData(), AudioOutputBase(), and Reconfigure().

SRC_DATA AudioOutputBase::src_data [private]

Definition at line 268 of file audiooutputbase.h.

Referenced by AddData(), AudioOutputBase(), and Reconfigure().

uint AudioOutputBase::memory_corruption_test0 [private]

Definition at line 269 of file audiooutputbase.h.

Referenced by ~AudioOutputBase().

float AudioOutputBase::src_in_buf[kAudioSRCInputSize+16] [private]

Definition at line 270 of file audiooutputbase.h.

Referenced by AudioOutputBase().

uint AudioOutputBase::memory_corruption_test1 [private]

Definition at line 271 of file audiooutputbase.h.

Referenced by ~AudioOutputBase().

float* AudioOutputBase::src_out [private]

Definition at line 272 of file audiooutputbase.h.

Referenced by AddData(), Reconfigure(), and ~AudioOutputBase().

int AudioOutputBase::kAudioSRCOutputSize [private]

Definition at line 273 of file audiooutputbase.h.

Referenced by Reconfigure(), and ~AudioOutputBase().

uint AudioOutputBase::memory_corruption_test2 [private]

Definition at line 274 of file audiooutputbase.h.

Referenced by ~AudioOutputBase().

uchar AudioOutputBase::audiobuffer[kAudioRingBufferSize] [private]

main audio buffer

Definition at line 278 of file audiooutputbase.h.

Referenced by AudioOutputBase(), and Reset().

uint AudioOutputBase::memory_corruption_test3 [private]

Definition at line 279 of file audiooutputbase.h.

Referenced by ~AudioOutputBase().

uint AudioOutputBase::m_configure_succeeded [private]

Definition at line 280 of file audiooutputbase.h.

Referenced by AddData(), GetAudiotime(), Reconfigure(), SetAudiotime(), and SetStretchFactorLocked().

int64_t AudioOutputBase::m_length_last_data [private]

Definition at line 281 of file audiooutputbase.h.

Referenced by AddData(), and LengthLastData().

SPDIFEncoder* AudioOutputBase::m_spdifenc [private]

Definition at line 284 of file audiooutputbase.h.

Referenced by AddData(), and SetupPassthrough().

bool AudioOutputBase::m_forcedprocessing [private]

Definition at line 287 of file audiooutputbase.h.

Referenced by Reconfigure(), and SetStretchFactorLocked().

int AudioOutputBase::m_previousbpf [private]

Definition at line 288 of file audiooutputbase.h.

Referenced by SetStretchFactorLocked().

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

AudioOutputBase Class Reference

Public Member Functions

Static Public Attributes

Protected Types

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation