Alsa9Buf Class Reference

#include <ALSA9Helpers.h>

List of all members.

Public Types
enum	hw { HW_HARDWARE, HW_SOFTWARE, HW_DONT_CARE }
Public Member Functions
	Alsa9Buf ()
CString	Init (hw hardware, int channels)
	~Alsa9Buf ()
int	GetNumFramesToFill ()
bool	WaitUntilFramesCanBeFilled (int timeout_ms)
void	Write (const int16_t *buffer, int frames)
unsigned	FindSampleRate (unsigned rate)
void	Play ()
void	Stop ()
void	SetVolume (float vol)
void	SetSampleRate (int hz)
int	GetSampleRate () const
void	SetWriteahead (snd_pcm_sframes_t frames)
void	SetChunksize (snd_pcm_sframes_t frames)
void	LogParams ()
int64_t	GetPosition () const
int64_t	GetPlayPos () const
Static Public Member Functions
void	InitializeErrorHandler ()
void	GetSoundCardDebugInfo ()
CString	GetHardwareID (CString name="")
Private Member Functions
bool	Recover (int r)
bool	SetHWParams ()
bool	SetSWParams ()
Static Private Member Functions
void	ErrorHandler (const char *file, int line, const char *function, int err, const char *fmt,...)
Private Attributes
int	channels
int	samplerate
int	samplebits
int	buffersize
int64_t	last_cursor_pos
bool	samplerate_set_explicitly
snd_pcm_uframes_t	preferred_writeahead
snd_pcm_uframes_t	preferred_chunksize
snd_pcm_uframes_t	writeahead
snd_pcm_uframes_t	chunksize
snd_pcm_t *	pcm

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Member Enumeration Documentation

enum Alsa9Buf::hw

Enumeration values: HW_HARDWARE  HW_SOFTWARE  HW_DONT_CARE

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Constructor & Destructor Documentation

Alsa9Buf::Alsa9Buf (   )

Alsa9Buf::~Alsa9Buf (   )

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Member Function Documentation

void Alsa9Buf::ErrorHandler (  const char *  file, int  line, const char *  function, int  err, const char *  fmt,   ... )  [static, private]

unsigned Alsa9Buf::FindSampleRate (  unsigned  rate  )

CString Alsa9Buf::GetHardwareID (  CString  name = ""  )  [static]

int Alsa9Buf::GetNumFramesToFill (   )

int64_t Alsa9Buf::GetPlayPos (   )  const [inline]

int64_t Alsa9Buf::GetPosition (   )  const

int Alsa9Buf::GetSampleRate (   )  const [inline]

void Alsa9Buf::GetSoundCardDebugInfo (   )  [static]

CString Alsa9Buf::Init (  hw  hardware, int  channels )

void Alsa9Buf::InitializeErrorHandler (   )  [static]

void Alsa9Buf::LogParams (   )

void Alsa9Buf::Play (   )

bool Alsa9Buf::Recover (  int  r  )  [private]

void Alsa9Buf::SetChunksize (  snd_pcm_sframes_t  frames  )

bool Alsa9Buf::SetHWParams (   )  [private]

void Alsa9Buf::SetSampleRate (  int  hz  )

bool Alsa9Buf::SetSWParams (   )  [private]

void Alsa9Buf::SetVolume (  float  vol  )

void Alsa9Buf::SetWriteahead (  snd_pcm_sframes_t  frames  )

void Alsa9Buf::Stop (   )

bool Alsa9Buf::WaitUntilFramesCanBeFilled (  int  timeout_ms  )

void Alsa9Buf::Write (  const int16_t *  buffer, int  frames )

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Member Data Documentation

int Alsa9Buf::buffersize [private]

int Alsa9Buf::channels [private]

snd_pcm_uframes_t Alsa9Buf::chunksize [private]

int64_t Alsa9Buf::last_cursor_pos [private]

snd_pcm_t* Alsa9Buf::pcm [private]

snd_pcm_uframes_t Alsa9Buf::preferred_chunksize [private]

snd_pcm_uframes_t Alsa9Buf::preferred_writeahead [private]

int Alsa9Buf::samplebits [private]

int Alsa9Buf::samplerate [private]

bool Alsa9Buf::samplerate_set_explicitly [private]

snd_pcm_uframes_t Alsa9Buf::writeahead [private]

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

• ALSA9Helpers.h
• ALSA9Helpers.cpp

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