#include <libmythtv/recorders/audioinputalsa.h>

Inheritance diagram for AudioInputALSA:

Collaboration diagram for AudioInputALSA:

Public Member Functions
	AudioInputALSA (const QString &device)

	~AudioInputALSA () override

bool	Open (uint sample_bits, uint sample_rate, uint channels) override

bool	IsOpen (void) override

void	Close (void) override

bool	Start (void) override

bool	Stop (void) override

int	GetBlockSize (void) override

int	GetSamples (void *buf, uint nbytes) override

int	GetNumReadyBytes (void) override

Public Member Functions inherited from AudioInput
virtual	~AudioInput ()=default

Private Member Functions
bool	PrepHwParams (void)

bool	PrepSwParams (void)

int	PcmRead (void *buf, uint nbytes)

bool	Recovery (int err)

bool	AlsaBad (int op_result, const QString &errmsg)

Private Attributes
QByteArray	m_alsaDevice

snd_pcm_t *	m_pcmHandle {nullptr}

snd_pcm_uframes_t	m_periodSize {0}

int	m_mythBlockBytes {0}

Additional Inherited Members
Static Public Member Functions inherited from AudioInput
static AudioInput *	CreateDevice (const QByteArray &device)

Protected Member Functions inherited from AudioInput
	AudioInput (const QString &device)

Protected Attributes inherited from AudioInput
QByteArray	m_audioDevice

int	m_audioChannels {0}

int	m_audioSampleBits {0}

int	m_audioSampleRate {0}

Detailed Description

Definition at line 33 of file audioinputalsa.h.

Constructor & Destructor Documentation

◆ AudioInputALSA()

AudioInputALSA::AudioInputALSA ( const QString & device )

inlineexplicit

Definition at line 36 of file audioinputalsa.h.

◆ ~AudioInputALSA()

AudioInputALSA::~AudioInputALSA ( )

inlineoverride

Definition at line 39 of file audioinputalsa.h.

Member Function Documentation

◆ Open()

bool AudioInputALSA::Open	(	uint	sample_bits,
		uint	sample_rate,
		uint	channels
	)

overridevirtual

Implements AudioInput.

Definition at line 28 of file audioinputalsa.cpp.

◆ IsOpen()

bool AudioInputALSA::IsOpen ( void )

inlineoverridevirtual

Implements AudioInput.

Definition at line 42 of file audioinputalsa.h.

◆ Close()

void AudioInputALSA::Close ( void )

overridevirtual

Implements AudioInput.

Definition at line 57 of file audioinputalsa.cpp.

Referenced by ~AudioInputALSA().

◆ Start()

bool AudioInputALSA::Start ( void )

inlineoverridevirtual

Implements AudioInput.

Definition at line 46 of file audioinputalsa.h.

Referenced by GetSamples().

◆ Stop()

bool AudioInputALSA::Stop ( void )

overridevirtual

Implements AudioInput.

Definition at line 67 of file audioinputalsa.cpp.

Referenced by Close(), and GetSamples().

◆ GetBlockSize()

int AudioInputALSA::GetBlockSize ( void )

inlineoverridevirtual

Implements AudioInput.

Definition at line 50 of file audioinputalsa.h.

◆ GetSamples()

int AudioInputALSA::GetSamples	(	void *	buf,
		uint	nbytes
	)

overridevirtual

Implements AudioInput.

Definition at line 79 of file audioinputalsa.cpp.

◆ GetNumReadyBytes()

int AudioInputALSA::GetNumReadyBytes ( void )

overridevirtual

Implements AudioInput.

Definition at line 113 of file audioinputalsa.cpp.

◆ PrepHwParams()

bool AudioInputALSA::PrepHwParams ( void )

private

Definition at line 134 of file audioinputalsa.cpp.

Referenced by Open().

◆ PrepSwParams()

bool AudioInputALSA::PrepSwParams ( void )

private

Definition at line 216 of file audioinputalsa.cpp.

Referenced by Open().

◆ PcmRead()

int AudioInputALSA::PcmRead	(	void *	buf,
		uint	nbytes
	)

private

Definition at line 241 of file audioinputalsa.cpp.

Referenced by GetSamples().

◆ Recovery()

bool AudioInputALSA::Recovery ( int err )

private

Definition at line 302 of file audioinputalsa.cpp.

Referenced by PcmRead().

◆ AlsaBad()

bool AudioInputALSA::AlsaBad	(	int	op_result,
		const QString &	errmsg
	)

private

Definition at line 338 of file audioinputalsa.cpp.

Referenced by Close(), GetNumReadyBytes(), GetSamples(), Open(), PcmRead(), PrepHwParams(), PrepSwParams(), and Stop().

Member Data Documentation

◆ m_alsaDevice

QByteArray AudioInputALSA::m_alsaDevice

private

Definition at line 62 of file audioinputalsa.h.

Referenced by Open().

◆ m_pcmHandle

snd_pcm_t* AudioInputALSA::m_pcmHandle {nullptr}

private

Definition at line 63 of file audioinputalsa.h.

Referenced by Close(), GetNumReadyBytes(), GetSamples(), IsOpen(), Open(), PcmRead(), PrepHwParams(), PrepSwParams(), Recovery(), Start(), and Stop().

◆ m_periodSize

snd_pcm_uframes_t AudioInputALSA::m_periodSize {0}

private

Definition at line 64 of file audioinputalsa.h.

Referenced by PrepHwParams().

◆ m_mythBlockBytes

int AudioInputALSA::m_mythBlockBytes {0}

private

Definition at line 65 of file audioinputalsa.h.

Referenced by GetBlockSize(), and PrepHwParams().

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

mythtv/libs/libmythtv/recorders/audioinputalsa.h
mythtv/libs/libmythtv/recorders/audioinputalsa.cpp

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ AudioInputALSA()

◆ ~AudioInputALSA()

Member Function Documentation

◆ Open()

◆ IsOpen()

◆ Close()

◆ Start()

◆ Stop()

◆ GetBlockSize()

◆ GetSamples()

◆ GetNumReadyBytes()

◆ PrepHwParams()

◆ PrepSwParams()

◆ PcmRead()

◆ Recovery()

◆ AlsaBad()

Member Data Documentation

◆ m_alsaDevice

◆ m_pcmHandle

◆ m_periodSize

◆ m_mythBlockBytes