mediaserveropx.txh

在手机操作系统symbina上使用的一个脚本扩展语言的代码实现,可以参考用于自己的开发

rem MediaServerOPX.oxh
rem 
rem Copyright (c) 1997-2002 Symbian Ltd. All rights reserved.

CONST KUidOpxMediaServer&=&100057DA
CONST KOpxMediaServerVersion%=$100

rem
rem Constants for TonePlayer
rem

rem Values for MdaTonePlayerPanic
CONST KMdaTonePanicNotReady&=0
CONST KMdaTonePanicBusyPrep&=1
CONST KMdaTonePanicBusyPlaying&=2
CONST KMdaTonePanicInvalidSeq&=3
CONST KMdaTonePanicVolumeOutOfRange&=4
CONST KMdaTonePanicInvalidDuration&=5
CONST KMdaTonePanicInvalidRepeatCount&=6

rem Values for MdaAudioToneUtilityState
CONST KMdaAudioToneUtilityNotReady%=0
CONST KMdaAudioToneUtilityPrepared%=1
CONST KMdaAudioToneUtilityPlaying%=2

rem Pass KMdaInfiniteDurationDTMFToneOnLength& as 
rem toneOnLength parameter to SetDTMFLengths:
rem to play only the first DTMF tone of supplied 
rem string until CancelPlay: is called
CONST KMdaInfiniteDurDTMFToneOnLen&=-1 
CONST KMdaAudioToneRepeatForever&=2

rem Values for priority
CONST KMdaPriorityMin&=-100
CONST KMdaPriorityNormal&=0
CONST KMdaPriorityMax&=100

rem Values for PriorityPreference
CONST KMediaSMdaPriorityPrefNone&=0
CONST KMediaSMdaPriorityPrefTime&=1
CONST KMediaSMdaPriorityPrefQual&=2
CONST KMediaSMdaPriorityPrefTimeQual&=3

rem
rem Constants for AudioPlayer.
rem

CONST KMdaAudioPlayerUnknownDuration&=-1
CONST KMdaAudioPlayerRepeatForever&=-2

rem Values for AudioPlayerUtilityPanics
CONST KMdaAudioPlayAPIFileAlreadyPlay&=0
CONST KMdaAudioPlayAPINotReady&=1
CONST KMdaAudioPlayAPIVolumeOutRange&=2


DECLARE OPX MEDIASERVEROPX,KUidOpxMediaServer&,KOpxMediaServerVersion%
	rem
	rem Audio tone
	rem
	ToneState%: :1
	ToneMaxVolume&: :2
	ToneVolume&: :3
	ToneSetVolume:(aVolume&) :4
	SetPriority:(aPriority&,aPriorityPreference&) :5
	SetDTMFLengths:(aToneOnLength&,aToneOffLength&,aPauseLength&) :6
	SetRepeats:(aRepeatNumberOfTimes&,aTrailingSilence&) :7
	SetVolumeRamp:(aRampDuration&) :8
	FixedSequenceCount: :9
	FixedSequenceName$:(aSequenceNumber&) :10

	PrepareToPlayToneA:(aFrequency&,aDuration&,BYREF aStatus&) :11
	PrepareToPlayDTMFStringA:(aDTMF$,BYREF aStatus&) :12
	PrepareToPlayDesSequenceA:(aDesAddress&,BYREF aStatus&) :13
	PrepareToPlayFileSequenceA:(aFileName$,BYREF aStatus&) :14
	PrepareToPlayFixedSequenceA:(aSequenceNumber&,BYREF aStatus&) :15
	CancelPrepare: :16

	PlayToneA:(BYREF aStatus&) :17
	CancelPlay: :18
	
	rem
	rem Audio player
	rem
	CreateFilePlayerA:(aFileName$,aPriority&,aPreference&,BYREF aStatus&) :19
	CloseFilePlayer: :20
	PlayFileA:(BYREF aStatus&) :21
	StopFile: :22

	FileSetVolume:(aVolume&) :23
	FileSetRepeats:(aRepeatNumberOfTimes&,aTrailingSilence&) :24
	FileSetVolumeRamp:(aRampDuration&) :25

	rem
	rem Query functions
	rem
	FileDuration&: :26
	FileMaxVolume&: :27

	CreateFilePlayerSimpleA:(aFileName$,BYREF aStatus&) :28
END DECLARE