/*************************************************************************** externals.h - description ------------------- begin : Wed May 15 2002 copyright : (C) 2002 by Pete Bernert email : BlackDove@addcom.de ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. See also the license.txt file for * * additional informations. * * * ***************************************************************************/ #include ///////////////////////////////////////////////////////// // generic defines ///////////////////////////////////////////////////////// #ifdef __GNUC__ #define noinline __attribute__((noinline)) #define unlikely(x) __builtin_expect((x), 0) #else #define noinline #define unlikely(x) x #endif #define PSE_LT_SPU 4 #define PSE_SPU_ERR_SUCCESS 0 #define PSE_SPU_ERR -60 #define PSE_SPU_ERR_NOTCONFIGURED PSE_SPU_ERR - 1 #define PSE_SPU_ERR_INIT PSE_SPU_ERR - 2 #ifndef max #define max(a,b) (((a) > (b)) ? (a) : (b)) #define min(a,b) (((a) < (b)) ? (a) : (b)) #endif //////////////////////////////////////////////////////////////////////// // spu defines //////////////////////////////////////////////////////////////////////// // num of channels #define MAXCHAN 24 // ~ FRAG_MSECS ms of data // note: must be even due to the way reverb works now #define FRAG_MSECS 2 #define NSSIZE ((44100 * FRAG_MSECS / 1000 + 1) & ~1) /////////////////////////////////////////////////////////// // struct defines /////////////////////////////////////////////////////////// // ADSR INFOS PER CHANNEL typedef struct { int AttackModeExp; long AttackTime; long DecayTime; long SustainLevel; int SustainModeExp; long SustainModeDec; long SustainTime; int ReleaseModeExp; unsigned long ReleaseVal; long ReleaseTime; long ReleaseStartTime; long ReleaseVol; long lTime; long lVolume; } ADSRInfo; typedef struct { unsigned char State:2; unsigned char AttackModeExp:1; unsigned char SustainModeExp:1; unsigned char SustainIncrease:1; unsigned char ReleaseModeExp:1; unsigned char AttackRate; unsigned char DecayRate; unsigned char SustainLevel; unsigned char SustainRate; unsigned char ReleaseRate; int EnvelopeVol; } ADSRInfoEx; /////////////////////////////////////////////////////////// // Tmp Flags // used for debug channel muting #define FLAG_MUTE 1 // used for simple interpolation #define FLAG_IPOL0 2 #define FLAG_IPOL1 4 /////////////////////////////////////////////////////////// // MAIN CHANNEL STRUCT typedef struct { int iSBPos; // mixing stuff int spos; int sinc; unsigned char * pCurr; // current pos in sound mem unsigned char * pLoop; // loop ptr in sound mem unsigned int bStop:1; // is channel stopped (sample _can_ still be playing, ADSR Release phase) unsigned int bReverb:1; // can we do reverb on this channel? must have ctrl register bit, to get active unsigned int bRVBActive:1; // reverb active flag unsigned int bNoise:1; // noise active flag unsigned int bFMod:2; // freq mod (0=off, 1=sound channel, 2=freq channel) unsigned int prevflags:3; // flags from previous block int iLeftVolume; // left volume int iRightVolume; // right volume ADSRInfoEx ADSRX; int iRawPitch; // raw pitch (0...3fff) int SB[32+4]; } SPUCHAN; /////////////////////////////////////////////////////////// typedef struct { int StartAddr; // reverb area start addr in samples int CurrAddr; // reverb area curr addr in samples int VolLeft; int VolRight; int iRVBLeft; int iRVBRight; int FB_SRC_A; // (offset) int FB_SRC_B; // (offset) int IIR_ALPHA; // (coef.) int ACC_COEF_A; // (coef.) int ACC_COEF_B; // (coef.) int ACC_COEF_C; // (coef.) int ACC_COEF_D; // (coef.) int IIR_COEF; // (coef.) int FB_ALPHA; // (coef.) int FB_X; // (coef.) int IIR_DEST_A0; // (offset) int IIR_DEST_A1; // (offset) int ACC_SRC_A0; // (offset) int ACC_SRC_A1; // (offset) int ACC_SRC_B0; // (offset) int ACC_SRC_B1; // (offset) int IIR_SRC_A0; // (offset) int IIR_SRC_A1; // (offset) int IIR_DEST_B0; // (offset) int IIR_DEST_B1; // (offset) int ACC_SRC_C0; // (offset) int ACC_SRC_C1; // (offset) int ACC_SRC_D0; // (offset) int ACC_SRC_D1; // (offset) int IIR_SRC_B1; // (offset) int IIR_SRC_B0; // (offset) int MIX_DEST_A0; // (offset) int MIX_DEST_A1; // (offset) int MIX_DEST_B0; // (offset) int MIX_DEST_B1; // (offset) int IN_COEF_L; // (coef.) int IN_COEF_R; // (coef.) int dirty; // registers changed // normalized offsets int nIIR_DEST_A0, nIIR_DEST_A1, nIIR_DEST_B0, nIIR_DEST_B1, nACC_SRC_A0, nACC_SRC_A1, nACC_SRC_B0, nACC_SRC_B1, nIIR_SRC_A0, nIIR_SRC_A1, nIIR_SRC_B0, nIIR_SRC_B1, nACC_SRC_C0, nACC_SRC_C1, nACC_SRC_D0, nACC_SRC_D1, nMIX_DEST_A0, nMIX_DEST_A1, nMIX_DEST_B0, nMIX_DEST_B1; // MIX_DEST_xx - FB_SRC_x int nFB_SRC_A0, nFB_SRC_A1, nFB_SRC_B0, nFB_SRC_B1; } REVERBInfo; /////////////////////////////////////////////////////////// // SPU.C globals /////////////////////////////////////////////////////////// #ifndef _IN_SPU // psx buffers / addresses extern unsigned short regArea[]; extern unsigned short spuMem[]; extern unsigned char * spuMemC; extern unsigned char * pSpuIrq; extern unsigned char * pSpuBuffer; #define regAreaGet(ch,offset) \ regArea[((ch<<4)|(offset))>>1] // user settings extern int iVolume; extern int iXAPitch; extern int iUseReverb; extern int iUseInterpolation; // MISC extern int had_dma; extern int decode_pos; extern SPUCHAN s_chan[]; extern REVERBInfo rvb; extern unsigned long dwNoiseVal; extern unsigned short spuCtrl; extern unsigned short spuStat; extern unsigned short spuIrq; extern unsigned long spuAddr; extern int bSpuInit; extern unsigned int dwNewChannel; extern unsigned int dwChannelOn; extern unsigned int dwPendingChanOff; extern unsigned int dwChannelDead; extern int SSumR[]; extern int SSumL[]; extern int iCycle; extern short * pS; extern void (CALLBACK *cddavCallback)(unsigned short,unsigned short); #endif /////////////////////////////////////////////////////////// // XA.C globals /////////////////////////////////////////////////////////// #ifndef _IN_XA extern xa_decode_t * xapGlobal; extern uint32_t * XAFeed; extern uint32_t * XAPlay; extern uint32_t * XAStart; extern uint32_t * XAEnd; extern uint32_t * CDDAFeed; extern uint32_t * CDDAPlay; extern uint32_t * CDDAStart; extern uint32_t * CDDAEnd; extern int iLeftXAVol; extern int iRightXAVol; #endif /////////////////////////////////////////////////////////// // REVERB.C globals /////////////////////////////////////////////////////////// #ifndef _IN_REVERB extern int * sRVBPlay; extern int * sRVBEnd; extern int * sRVBStart; #endif