AudioDevice Class Reference

#include </home/clem/local/src/opie/core/multimedia/opieplayer/audiodevice.h>

Collaboration diagram for AudioDevice:

[legend]List of all members.

Public Slots
void	setVolume (unsigned int level)
void	mute ()
void	volumeChanged (bool muted)
Signals
void	completedIO ()
Public Member Functions
	AudioDevice (unsigned int freq=44000, unsigned int channels=2, unsigned int bytesPerSample=AFMT_S16_LE)
	~AudioDevice ()
unsigned int	canWrite () const
void	write (char *buffer, unsigned int length)
int	bytesWritten ()
unsigned int	channels () const
unsigned int	frequency () const
unsigned int	bytesPerSample () const
unsigned int	bufferSize () const
Static Public Member Functions
static void	getVolume (unsigned int &left, unsigned int &right, bool &muted)
static void	setVolume (unsigned int left, unsigned int right, bool muted)
static unsigned int	leftVolume ()
static unsigned int	rightVolume ()
static bool	isMuted ()
static void	increaseVolume ()
static void	decreaseVolume ()
Private Attributes
AudioDevicePrivate *	d

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Constructor & Destructor Documentation

AudioDevice::AudioDevice (  unsigned int  freq = 44000, unsigned int  channels = 2, unsigned int  bytesPerSample = AFMT_S16_LE )

Definition at line 161 of file audiodevice.cpp. References AudioDevicePrivate::bufferSize, AudioDevicePrivate::bytesPerSample, AudioDevicePrivate::can_GETOSPACE, AudioDevicePrivate::channels, d, AudioDevicePrivate::dspFd, format(), AudioDevicePrivate::frequency, AudioDevicePrivate::handle, Opie::Core::perror(), qApp, sound_fragment_bytes, sound_fragment_shift, tr, TRUE, AudioDevicePrivate::unwritten, AudioDevicePrivate::unwrittenBuffer, and volumeChanged().

AudioDevice::~AudioDevice (   )

Definition at line 233 of file audiodevice.cpp. References d, AudioDevicePrivate::handle, and AudioDevicePrivate::unwrittenBuffer.

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Member Function Documentation

unsigned int AudioDevice::bufferSize (   )  const

Definition at line 284 of file audiodevice.cpp. References AudioDevicePrivate::bufferSize, and d. Referenced by canWrite(), and LoopControl::init().

unsigned int AudioDevice::bytesPerSample (   )  const

Definition at line 278 of file audiodevice.cpp. References AudioDevicePrivate::bytesPerSample, and d.

int AudioDevice::bytesWritten (   )

Definition at line 318 of file audiodevice.cpp. References d, and AudioDevicePrivate::handle.

unsigned int AudioDevice::canWrite (   )  const

Definition at line 289 of file audiodevice.cpp. References AudioDevicePrivate::bufferSize, bufferSize(), AudioDevicePrivate::can_GETOSPACE, d, FALSE, AudioDevicePrivate::handle, sound_fragment_bytes, t, AudioDevicePrivate::unwritten, AudioDevicePrivate::unwrittenBuffer, and write().

unsigned int AudioDevice::channels (   )  const

Definition at line 266 of file audiodevice.cpp. References AudioDevicePrivate::channels, and d. Referenced by LoopControl::init().

void AudioDevice::completedIO (   )  [signal]

static void AudioDevice::decreaseVolume (   )  [inline, static]

Definition at line 57 of file audiodevice.h. References isMuted(), leftVolume(), rightVolume(), and setVolume(). Referenced by MediaPlayer::startDecreasingVolume(), and MediaPlayer::timerEvent().

unsigned int AudioDevice::frequency (   )  const

Definition at line 272 of file audiodevice.cpp. References d, and AudioDevicePrivate::frequency.

void AudioDevice::getVolume (  unsigned int &  left, unsigned int &  right, bool &  muted )  [static]

Definition at line 95 of file audiodevice.cpp. References AudioDevicePrivate::muted, and Opie::Core::perror(). Referenced by isMuted(), leftVolume(), rightVolume(), and MediaPlayer::timerEvent().

static void AudioDevice::increaseVolume (   )  [inline, static]

Definition at line 56 of file audiodevice.h. References isMuted(), leftVolume(), rightVolume(), and setVolume(). Referenced by MediaPlayer::startIncreasingVolume(), and MediaPlayer::timerEvent().

static bool AudioDevice::isMuted (   )  [inline, static]

Definition at line 54 of file audiodevice.h. References getVolume(), and l. Referenced by decreaseVolume(), increaseVolume(), and setVolume().

static unsigned int AudioDevice::leftVolume (   )  [inline, static]

Definition at line 52 of file audiodevice.h. References getVolume(), and l. Referenced by decreaseVolume(), increaseVolume(), and mute().

void AudioDevice::mute (   )  [inline, slot]

Definition at line 62 of file audiodevice.h. References leftVolume(), rightVolume(), setVolume(), and TRUE.

static unsigned int AudioDevice::rightVolume (   )  [inline, static]

Definition at line 53 of file audiodevice.h. References getVolume(), and l. Referenced by decreaseVolume(), increaseVolume(), and mute().

void AudioDevice::setVolume (  unsigned int  level  )  [inline, slot]

Definition at line 61 of file audiodevice.h. References isMuted(), and setVolume().

void AudioDevice::setVolume (  unsigned int  left, unsigned int  right, bool  muted )  [static]

Definition at line 114 of file audiodevice.cpp. References AudioDevicePrivate::leftVolume, AudioDevicePrivate::muted, Opie::Core::perror(), AudioDevicePrivate::rightVolume, Config::setGroup(), and Config::writeEntry(). Referenced by decreaseVolume(), increaseVolume(), mute(), and setVolume().

void AudioDevice::volumeChanged (  bool  muted  )  [slot]

Definition at line 247 of file audiodevice.cpp. References AudioDevicePrivate::muted. Referenced by AudioDevice().

void AudioDevice::write (  char *  buffer, unsigned int  length )

Definition at line 253 of file audiodevice.cpp. References d, AudioDevicePrivate::handle, t, AudioDevicePrivate::unwritten, and AudioDevicePrivate::unwrittenBuffer. Referenced by canWrite(), and LoopControl::startAudio().

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Member Data Documentation

AudioDevicePrivate* AudioDevice::d [private]

Definition at line 69 of file audiodevice.h. Referenced by AudioDevice(), bufferSize(), bytesPerSample(), bytesWritten(), canWrite(), channels(), frequency(), write(), and ~AudioDevice().

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

• core/multimedia/opieplayer/audiodevice.h
• core/multimedia/opieplayer/audiodevice.cpp

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