CSidPlayer Class Reference

contains one SID tune, and controls the playback of it More...

#include <sidplayer.h>

Collaboration diagram for CSidPlayer:

[legend]List of all members.

Public Member Functions
virtual	~CSidPlayer ()
	D'tor.
void	InitL ()
	initialise everything, but do not start playing (yet)
void	Play ()
	start playing using the CIdle class
void	Stop ()
	stop playing
void	Pause ()
	pause the player
TBool	IsPaused ()
	return ETrue if paused
void	Thread ()
	wow.
sidTune &	CurrentSidTune () const
TInt	VolumeDelta (TInt aDelta)
	increase/decrease volume and return the new volume
TInt	SongDelta (TInt aDelta)
	skip song up/down and return the new song numer
TInt	SongSelect (TInt &aSong)
	select a new song to play
TInt	NewTune (const TDesC &aTune)
	open a new SID tune, delete the old one
Static Public Member Functions
CSidPlayer *	NewL (const TDesC &aSong)
Public Attributes
emuEngine *	iEmuEngine
	pointer to the emulator engine
CIdle *	iIdlePlay
	pointer to the CIdle playback object
TBuf< 128 >	iSongName
	name of the song
audioDriver *	iAudio
	pointer to the audio driver
Protected Member Functions
void	ConstructL ()
	safe constructor
	CSidPlayer (const TDesC &aSong)
	C'tor.
Private Attributes
sidTune *	iTune
	pointer to the SID tune
ubyte *	iBuffer
	buffer used for sound
TInt	iBufSize
	size of the sound buffer
TBool	iIsReady
	ETrue if inited and ready to play.

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Detailed Description

contains one SID tune, and controls the playback of it

Definition at line 31 of file sidplayer.h.

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Constructor & Destructor Documentation

CSidPlayer::~CSidPlayer (   )  [virtual]

D'tor. Definition at line 65 of file sidplayer.cpp. References DTOR, iAudio, iBuffer, iEmuEngine, iIdlePlay, and iTune.

CSidPlayer::CSidPlayer (  const TDesC &  aSong  )  [protected]

C'tor. Definition at line 91 of file sidplayer.cpp. References CTOR, and iSongName. Referenced by NewL().

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Member Function Documentation

void CSidPlayer::ConstructL (   )  [protected]

safe constructor Definition at line 82 of file sidplayer.cpp. References InitL(). Referenced by NewL().

sidTune& CSidPlayer::CurrentSidTune (   )  const [inline]

Definition at line 43 of file sidplayer.h. References iTune. Referenced by CSidPlayAppUi::HandleCommandL(), and CSidPlayAppUi::UpdateCbaL().

void CSidPlayer::InitL (   )

initialise everything, but do not start playing (yet) Definition at line 103 of file sidplayer.cpp. References emuConfig::autoPanning, emuConfig::bitsPerSample, emuConfig::channels, audioDriver::ConstructL(), ELOG1, ERR_ENDIANESS, EXIT_ERROR_STATUS, fragments, fragSizeBase, emuConfig::frequency, audioDriver::GetBlockSize(), emuEngine::getConfig(), audioDriver::GetFrequency(), sidTune::getInfo(), audioDriver::GetSampleEncoding(), audioDriver::GetSamplePrecision(), iAudio, iBuffer, iBufSize, iEmuEngine, iIsReady, iSongName, audioDriver::IsThere(), iTune, audioDriver::Open(), SAMPLE_FREQ, emuConfig::sampleFormat, selectedSong, emuEngine::setConfig(), SIDEMU_16BIT, SIDEMU_8BIT, SIDEMU_FULLPANNING, SIDEMU_MONO, SIDEMU_NONE, SIDEMU_STEREO, sidEmuInitializeSong(), ubyte, uword, emuEngine::verifyEndianess(), and emuConfig::volumeControl. Referenced by ConstructL(), and CSidPlayAppUi::ConstructL().

TBool CSidPlayer::IsPaused (   )

return ETrue if paused Todo: implement Definition at line 324 of file sidplayer.cpp. Referenced by SidPlayerThread().

CSidPlayer * CSidPlayer::NewL (  const TDesC &  aSong  )  [static]

Definition at line 55 of file sidplayer.cpp. References ConstructL(), and CSidPlayer(). Referenced by CSidPlayAppUi::ConstructL().

TInt CSidPlayer::NewTune (  const TDesC &  aTune  )

open a new SID tune, delete the old one Definition at line 422 of file sidplayer.cpp. References iEmuEngine, iSongName, iTune, and sidEmuInitializeSong(). Referenced by CSidPlayAppUi::DoBrowseFileL(), and CSidPlayAppUi::ProcessCommandParametersL().

void CSidPlayer::Pause (   )

pause the player Definition at line 304 of file sidplayer.cpp. References ELOG1, iIdlePlay, and Play(). Referenced by CSidPlayAppUi::HandleCommandL().

void CSidPlayer::Play (   )

start playing using the CIdle class Definition at line 262 of file sidplayer.cpp. References ELOG1, iIdlePlay, iIsReady, and SidPlayerThread(). Referenced by CSidPlayAppUi::DoBrowseFileL(), CSidPlayAppUi::HandleCommandL(), Pause(), CSidPlayAppUi::ProcessCommandParametersL(), SongDelta(), and SongSelect().

TInt CSidPlayer::SongDelta (  TInt  aDelta  )

skip song up/down and return the new song numer Definition at line 371 of file sidplayer.cpp. References sidTuneInfo::currentSong, ELOG1, sidTune::getInfo(), iAudio, iEmuEngine, iTune, Play(), sidEmuInitializeSong(), sidTuneInfo::songs, audioDriver::StopStream(), and uword. Referenced by CSidPlayAppUi::HandleCommandL(), and CSidPlayAppUi::HandleKeyEventL().

TInt CSidPlayer::SongSelect (  TInt &  aSong  )

select a new song to play Definition at line 401 of file sidplayer.cpp. References sidTuneInfo::currentSong, sidTune::getInfo(), iAudio, iEmuEngine, iTune, Play(), sidEmuInitializeSong(), audioDriver::StopStream(), and uword. Referenced by CSidPlayAppUi::HandleKeyEventL().

void CSidPlayer::Stop (   )

stop playing Definition at line 285 of file sidplayer.cpp. References ELOG1, iAudio, iEmuEngine, iIdlePlay, iTune, sidEmuInitializeSong(), and audioDriver::StopStream(). Referenced by CSidPlayAppUi::DoBrowseFileL(), CSidPlayAppUi::HandleCommandL(), and CSidPlayAppUi::ProcessCommandParametersL().

void CSidPlayer::Thread (   )

wow. here is the actual core loop of the system; fill the buffer, then play it. repeat 1000 times. Definition at line 333 of file sidplayer.cpp. References emuEngine::FillBuffer(), iAudio, audioDriver::iBlocksInQueue, iBuffer, iBufSize, iEmuEngine, audioDriver::iIsReady, audioDriver::iPrefilled, iTune, audioDriver::Play(), and ubyte. Referenced by SidPlayerThread().

TInt CSidPlayer::VolumeDelta (  TInt  aDelta  )

increase/decrease volume and return the new volume Definition at line 362 of file sidplayer.cpp. References iAudio, and audioDriver::VolumeDelta(). Referenced by CSidPlayAppView::ConstructL(), and CSidPlayAppUi::HandleKeyEventL().

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Member Data Documentation

audioDriver* CSidPlayer::iAudio

pointer to the audio driver Definition at line 55 of file sidplayer.h. Referenced by CSidPlayAppUi::HandleCommandL(), InitL(), SongDelta(), SongSelect(), Stop(), Thread(), VolumeDelta(), and ~CSidPlayer().

ubyte* CSidPlayer::iBuffer [private]

buffer used for sound Definition at line 58 of file sidplayer.h. Referenced by InitL(), Thread(), and ~CSidPlayer().

TInt CSidPlayer::iBufSize [private]

size of the sound buffer Definition at line 59 of file sidplayer.h. Referenced by InitL(), and Thread().

emuEngine* CSidPlayer::iEmuEngine

pointer to the emulator engine Definition at line 52 of file sidplayer.h. Referenced by CSidPlayAppUi::HandleCommandL(), InitL(), NewTune(), SidPlayExceptionHandler(), SongDelta(), SongSelect(), Stop(), Thread(), and ~CSidPlayer().

CIdle* CSidPlayer::iIdlePlay

pointer to the CIdle playback object Definition at line 53 of file sidplayer.h. Referenced by Pause(), Play(), Stop(), CSidPlayAppUi::UpdateCbaL(), and ~CSidPlayer().

TBool CSidPlayer::iIsReady [private]

ETrue if inited and ready to play. Definition at line 60 of file sidplayer.h. Referenced by InitL(), and Play().

TBuf<128> CSidPlayer::iSongName

name of the song Definition at line 54 of file sidplayer.h. Referenced by CSidPlayer(), CSidPlayAppUi::HandleCommandL(), InitL(), and NewTune().

sidTune* CSidPlayer::iTune [private]

pointer to the SID tune Definition at line 57 of file sidplayer.h. Referenced by CurrentSidTune(), InitL(), NewTune(), SongDelta(), SongSelect(), Stop(), Thread(), and ~CSidPlayer().

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

• sidplayer.h
• sidplayer.cpp

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