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Daveo
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338
source/sound/cdxa.cpp
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338
source/sound/cdxa.cpp
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/*****************************/
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/*** PSX CDXA Player Stuff ***/
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/*** Another one by Dave ***/
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/*****************************/
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// Note, need to add blanks in between tracks
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#include "system\global.h"
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#include "fileio/fileio.h"
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#include "fileio/filetab.h"
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#include "sound\cdxa.h"
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#include <libcd.h>
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#include <libsnd.h>
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#ifndef __SOUND_SNDBANK_H__
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#include "sound\sndbank.h"
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#endif
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// Add this to have CDXA on PC build!!
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// You will need a CD with Track1 synced to something, oh, and a CD drive
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#if defined(__USER_paul__)//|| defined(__USER_daveo__)
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#define FORCE_XA 1
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#endif
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#if __FILE_SYSTEM__==CD | FORCE_XA
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#define ENABLE_XA
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#endif
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#if defined(__USER_CDBUILD__)
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#undef FORCE_XA
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#endif
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/*****************************************************************************/
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XA_MODE CXAStream::Mode=XA_MODE_NOTINIT;
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int CXAStream::Status;
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int CXAStream::StartSector;
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sXAStream CXAStream::Stream[XA_STREAM_MAX];
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int CXAStream::CurrentStream;
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int CXAStream::PauseFlag;
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// Speech
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SpeechEquate CXAStream::Queue[XA_QUEUE_MAX];
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u16 CXAStream::QueueCount;
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void XACDReadyCallback(int Intr, u8 *Result)
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{
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static int ErrorRetry;
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u32 XABuffer[8];
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u16 ID,Track;
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sXAStream &ThisStream=CXAStream::Stream[CXAStream::CurrentStream];
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CXAStream::Status=Intr;
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if (CXAStream::Mode==XA_MODE_IDLE) return;
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switch (Intr)
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{
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case CdlNoIntr:
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break;
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case CdlDataReady:
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// Check end of XA using video termination
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ErrorRetry=0;
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CdGetSector((u_long *)XABuffer,8);
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ID = *(unsigned short *)(XABuffer+3);
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Track = *((unsigned short *)(XABuffer+3)+1);
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Track = (Track&31744)>>10;
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if (Track==0)
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{
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ThisStream.Entry.CurrentSector++; // track position
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}
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else
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{
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if (ID==352)
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{
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if (Track==ThisStream.Entry.Channel)
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{
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// DbgMsg0("TrackEnd\n");
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CXAStream::SetVolumeOff();
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CdControlF(CdlPause,0);
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CXAStream::Mode=XA_MODE_END;
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}
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}
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}
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break;
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case CdlComplete:
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break;
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case CdlAcknowledge:
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break;
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case CdlDataEnd:
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break;
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case CdlDiskError:
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if (!ErrorRetry)
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{
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ErrorRetry=25;
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// CXAStream::Mode=XA_MODE_RESUME;
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}
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else
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ErrorRetry--;
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break;
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default:
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break;
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}
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void CXAStream::Init()
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{
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#ifdef FORCE_XA
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DbgMsg0("FORCE XA\n");
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while (!CdInit());
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CFileIO::FindAllFilePos();
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CXAStream::SetSector(CFileIO::GetFilePos(FILEPOS_TRACK1));
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#endif
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DBG_MSG0("XA INITIALISED");
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// Set defaults
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CurrentStream=XA_STREAM_MUSIC;
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Stream[XA_STREAM_MUSIC].BaseChannel =XA_MUSIC_TRACK;
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Stream[XA_STREAM_SPEECH].BaseChannel=XA_SPEECH_TRACK;
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Reset();
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}
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/*****************************************************************************/
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void CXAStream::Start(int Str,u32 Sector,u32 Channel,s32 LVol,s32 RVol)
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{
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#ifdef ENABLE_XA
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if (Mode==XA_MODE_NOTINIT) Init();
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sXAStream &ThisStream=Stream[Str];
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SetVolumeOff();
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CdControlF(CdlPause,0);
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CurrentStream=Str;
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ThisStream.Entry.StartSector=Sector;
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ThisStream.Entry.CurrentSector=Sector;
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ThisStream.Entry.Channel=Channel+ThisStream.BaseChannel;
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ThisStream.Entry.LVol=LVol;
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ThisStream.Entry.RVol=RVol;
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Mode=XA_MODE_START;
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CdReadyCallback((CdlCB)XACDReadyCallback);
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#endif
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}
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/*****************************************************************************/
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void CXAStream::Stop()
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{
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Reset();
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Mode=XA_MODE_STOP;
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}
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/*****************************************************************************/
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void CXAStream::PlayMusic(u32 TrackNo)
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{
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Start(XA_STREAM_MUSIC,0,0,XA_DEFAULT_VOL,XA_DEFAULT_VOL);
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}
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/*****************************************************************************/
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void CXAStream::PlaySpeech(SpeechEquate SpeechNo,int ForcePlay)
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{
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u32 Channel=SpeechNo>>XA_CHANNEL_SHIFT;
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u32 Speech=SpeechNo & XA_SPEECH_MASK;
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u32 Sector=Speech*XA_TRACK_MAX;
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if (CurrentStream==XA_STREAM_SPEECH && Mode==XA_MODE_PLAY && !ForcePlay)
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{
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// Check Current
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if (Stream[CurrentStream].Entry.Channel==Channel && Stream[CurrentStream].Entry.StartSector==Sector) return;
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// Check Queue
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if (QueueCount>=(int)XA_QUEUE_MAX) return;
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for (int Loop=0;Loop<QueueCount ; Loop++) if (Queue[Loop]==SpeechNo) return;
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Queue[QueueCount++]=SpeechNo;
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return;
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}
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SetVolumeOff();
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Start(XA_STREAM_SPEECH,Sector,Channel,XA_DEFAULT_VOL,XA_DEFAULT_VOL);
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}
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/*****************************************************************************/
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void CXAStream::Pause()
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{
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Mode=XA_MODE_PAUSE;
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PauseFlag=1;
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}
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/*****************************************************************************/
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void CXAStream::Resume()
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{
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if (PauseFlag)
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{
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Mode=XA_MODE_RESUME;
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PauseFlag=0;
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}
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}
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/*****************************************************************************/
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void CXAStream::ControlXA()
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{
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#ifdef ENABLE_XA
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CdlFILTER theFilter;
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u8 Cmd[4];
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sXAStream &ThisStream=Stream[CurrentStream];
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switch(Mode)
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{
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case XA_MODE_IDLE:
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break;
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case XA_MODE_RESUME:
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Status=0;
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case XA_MODE_START:
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SetVolumeOff();
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Cmd[0] = CdlModeSpeed|CdlModeRT|CdlModeSF|CdlModeSize1;
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CdControlB(CdlSetmode,Cmd, 0);
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CdIntToPos(ThisStream.Entry.CurrentSector+StartSector,&ThisStream.CDPos);
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theFilter.file=1;
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// theFilter.chan=ThisStream.BaseChannel+ThisStream.Entry.Channel;
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theFilter.chan=ThisStream.Entry.Channel;
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CdControlF(CdlSetfilter, (u8*)&theFilter);
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CdControlF(CdlReadS,(u8*)&ThisStream.CDPos);
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Mode=XA_MODE_PLAY;
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break;
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case XA_MODE_PLAY:
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if (Status==CdlDiskError) Mode=XA_MODE_RESUME;
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SetVolume(XA_DEFAULT_VOL,XA_DEFAULT_VOL);
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break;
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case XA_MODE_END:
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SetVolumeOff();
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if (CurrentStream==XA_STREAM_SPEECH)
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{
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if (QueueCount)
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{
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PlaySpeech(Queue[0]);
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for (int Loop=0;Loop<(int)XA_QUEUE_MAX-1;Loop++) Queue[Loop]=Queue[Loop+1]; // shuffle queue in a crap way!!
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QueueCount--;
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}
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else
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{
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Mode=XA_MODE_PAUSE;
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}
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}
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else
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{
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ThisStream.Entry.CurrentSector=ThisStream.Entry.StartSector;
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Mode=XA_MODE_START;
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}
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break;
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case XA_MODE_PAUSE:
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SetVolumeOff();
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CdControlF(CdlPause,0);
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Mode=XA_MODE_IDLE;
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break;
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case XA_MODE_STOP:
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ThisStream.Entry.CurrentSector=ThisStream.Entry.StartSector;
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SetVolumeOff();
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CdControlF(CdlPause,0);
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break;
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default :
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break;
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}
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#endif
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}
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/*****************************************************************************/
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void CXAStream::Interrupt()
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{
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Mode=XA_MODE_END;
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}
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/*****************************************************************************/
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void CXAStream::Reset()
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{
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#ifdef ENABLE_XA
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SetVolumeOff();
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// if (Mode!=XA_MODE_NOTINIT)
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{
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CdControlF(CdlPause,0);
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Mode=XA_MODE_IDLE;
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}
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// Clear Queue
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for (int Loop=0;Loop<(int)XA_QUEUE_MAX; Loop++) Queue[Loop]=0;
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QueueCount=0;
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#endif
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}
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/*****************************************************************************/
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void CXAStream::SetVolume(s32 LVol,s32 RVol)
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{
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CdlATV CDVol;
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SpuCommonAttr Attr;
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int VolumeSetting;
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if (CurrentStream==XA_STREAM_SPEECH)
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VolumeSetting=CSfxFactory::SNDVOL_SFX;
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else
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VolumeSetting=CSfxFactory::SNDVOL_MUSIC;
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LVol=(LVol*CSfxFactory::getVolumeLevel(VolumeSetting))/256;
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RVol=(RVol*CSfxFactory::getVolumeLevel(VolumeSetting))/256;
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Attr.mask = (SPU_COMMON_CDVOLL|SPU_COMMON_CDVOLR|SPU_COMMON_CDMIX);
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Attr.cd.volume.left =LVol;
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Attr.cd.volume.right=RVol;
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Attr.cd.mix=SPU_ON;
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SpuSetCommonAttr(&Attr);
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CDVol.val0 = 127; // CdL -> SpuL
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CDVol.val1 = 127; // CdL -> SpuR
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CDVol.val2 = 127; // CdR -> SpuR
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CDVol.val3 = 127; // CdR -> SpuL
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CdMix(&CDVol);
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}
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/*****************************************************************************/
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void CXAStream::SetVolumeOff()
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{
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CdlATV CDVol;
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SpuCommonAttr Attr;
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// SsSetSerialVol(SS_SERIAL_A,0,0);
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Attr.mask = (SPU_COMMON_CDVOLL|SPU_COMMON_CDVOLR|SPU_COMMON_CDMIX);
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Attr.cd.volume.left =0;
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Attr.cd.volume.right=0;
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Attr.cd.mix=SPU_ON;
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SpuSetCommonAttr(&Attr);
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CDVol.val0 = 0; // CdL -> SpuL
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CDVol.val1 = 0; // CdL -> SpuR
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CDVol.val2 = 0; // CdR -> SpuR
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CDVol.val3 = 0; // CdR -> SpuL
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CdMix(&CDVol);
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}
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