AudioInputALSA Class Reference

#include <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 133 of file audioinputalsa.cpp.

Referenced by Open().

PrepSwParams()

bool AudioInputALSA::PrepSwParams ( void  )

private

Definition at line 215 of file audioinputalsa.cpp.

Referenced by Open().

PcmRead()

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

private

Definition at line 240 of file audioinputalsa.cpp.

Referenced by GetSamples().

Recovery()

bool AudioInputALSA::Recovery ( int  err )

private

Definition at line 300 of file audioinputalsa.cpp.

Referenced by PcmRead().

AlsaBad()

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

private

Definition at line 336 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().

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

• audioinputalsa.h
• audioinputalsa.cpp