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raze-gles/polymer/eduke32/source/jaudiolib/_multivc.h

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/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Modifications for JonoF's port by Jonathon Fowler (jonof@edgenetwk.com)
*/
/**********************************************************************
file: _MULTIVC.H
author: James R. Dose
date: December 20, 1993
Private header for MULTIVOC.C
(c) Copyright 1993 James R. Dose. All Rights Reserved.
**********************************************************************/
#ifndef ___MULTIVC_H
#define ___MULTIVC_H
#include "openal.h"
#ifndef TRUE
#define TRUE ( 1 == 1 )
#define FALSE ( !TRUE )
#endif
#define VOC_8BIT 0x0
#define VOC_CT4_ADPCM 0x1
#define VOC_CT3_ADPCM 0x2
#define VOC_CT2_ADPCM 0x3
#define VOC_16BIT 0x4
#define VOC_ALAW 0x6
#define VOC_MULAW 0x7
#define VOC_CREATIVE_ADPCM 0x200
#define T_SIXTEENBIT_STEREO 0
#define T_8BITS 1
#define T_MONO 2
#define T_16BITSOURCE 4
#define T_LEFTQUIET 8
#define T_RIGHTQUIET 16
#define T_DEFAULT T_SIXTEENBIT_STEREO
#define MV_MaxPanPosition 31
#define MV_NumPanPositions ( MV_MaxPanPosition + 1 )
#define MV_MaxTotalVolume 255
//#define MV_MaxVolume 63
#define MV_NumVoices 8
#define MIX_VOLUME( volume ) \
( ( max( 0, min( ( volume ), 255 ) ) * ( MV_MaxVolume + 1 ) ) >> 8 )
// ( ( max( 0, min( ( volume ), 255 ) ) ) >> 2 )
//#define SILENCE_16BIT 0x80008000
#define SILENCE_16BIT 0
#define SILENCE_8BIT 0x80808080
//#define SILENCE_16BIT_PAS 0
#if defined(_WIN32)
#define MixBufferSize (MV_GetBufferSize(MV_RequestedMixRate))
#else
#define MixBufferSize 512
#endif
#define NumberOfBuffers 16
#define TotalBufferSize ( MixBufferSize * NumberOfBuffers )
#define PI 3.1415926536
typedef enum
{
Raw,
VOC,
DemandFeed,
WAV,
OGG
} wavedata;
typedef enum
{
NoMoreData,
KeepPlaying
} playbackstatus;
typedef struct VoiceNode
{
struct VoiceNode *next;
struct VoiceNode *prev;
wavedata wavetype;
char bits;
playbackstatus ( *GetSound )( struct VoiceNode *voice );
void ( *mix )( unsigned int position, unsigned int rate,
char *start, unsigned int length );
char *NextBlock;
char *LoopStart;
char *LoopEnd;
unsigned LoopCount;
unsigned int LoopSize;
unsigned int BlockLength;
unsigned int PitchScale;
unsigned int FixedPointBufferSize;
char *sound;
unsigned int length;
unsigned int SamplingRate;
unsigned int RateScale;
unsigned int position;
int Playing;
int handle;
int priority;
void ( *DemandFeed )( char **ptr, unsigned int *length );
struct sounddef OGGstream;
char *bufsnd;
int downsample;
short *LeftVolume;
short *RightVolume;
unsigned int callbackval;
} VoiceNode;
typedef struct
{
VoiceNode *start;
VoiceNode *end;
} VList;
typedef struct
{
char left;
char right;
} Pan;
typedef signed short MONO16;
typedef signed char MONO8;
typedef struct
{
MONO16 left;
MONO16 right;
// unsigned short left;
// unsigned short right;
} STEREO16;
typedef struct
{
MONO16 left;
MONO16 right;
} SIGNEDSTEREO16;
typedef struct
{
// MONO8 left;
// MONO8 right;
char left;
char right;
} STEREO8;
typedef struct
{
char RIFF[ 4 ];
unsigned int file_size;
char WAVE[ 4 ];
char fmt[ 4 ];
unsigned int format_size;
} riff_header;
typedef struct
{
unsigned short wFormatTag;
unsigned short nChannels;
unsigned int nSamplesPerSec;
unsigned int nAvgBytesPerSec;
unsigned short nBlockAlign;
unsigned short nBitsPerSample;
} format_header;
typedef struct
{
unsigned char DATA[ 4 ];
unsigned int size;
} data_header;
typedef MONO8 VOLUME8[ 256 ];
typedef MONO16 VOLUME16[ 256 ];
typedef char HARSH_CLIP_TABLE_8[ MV_NumVoices * 256 ];
static unsigned MV_GetBufferSize(unsigned);
static void MV_Mix( VoiceNode *voice, int buffer );
static void MV_PlayVoice( VoiceNode *voice );
static void MV_StopVoice( VoiceNode *voice );
static int MV_ServiceVoc( int );
static playbackstatus MV_GetNextVOCBlock( VoiceNode *voice );
static playbackstatus MV_GetNextDemandFeedBlock( VoiceNode *voice );
static playbackstatus MV_GetNextRawBlock( VoiceNode *voice );
static playbackstatus MV_GetNextWAVBlock( VoiceNode *voice );
// static void MV_ServiceRecord( void );
static VoiceNode *MV_GetVoice( int handle );
static VoiceNode *MV_AllocVoice( int priority );
static short *MV_GetVolumeTable( int vol );
static void MV_SetVoiceMixMode( VoiceNode *voice );
static void MV_SetVoicePitch( VoiceNode *voice, unsigned int rate, int pitchoffset );
static void MV_CalcVolume( int MaxLevel );
static void MV_CalcPanTable( void );
static void ClearBuffer_DW(void *ptr, int data, int length);
/*
#define ClearBuffer_DW( ptr, data, length ) \
({ void *__ptr=(ptr); unsigned __data=(data); int __length=(length); \
__asm__ __volatile__ ("rep; stosl" \
: "+c" (__length), "+D" (__ptr) : "a" (__data) : "memory", "cc"); \
0; })
*/
/*
#pragma aux ClearBuffer_DW = \
"cld", \
"push es", \
"push ds", \
"pop es", \
"rep stosd", \
"pop es", \
parm [ edi ] [ eax ] [ ecx ] modify exact [ ecx edi ];
*/
#if defined(__WATCOMC__)
#pragma aux MV_Mix8BitMono parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_Mix8BitStereo parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_Mix16BitMono parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_Mix16BitStereo parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_Mix16BitMono16 parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_Mix8BitMono16 parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_Mix8BitStereo16 parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_Mix16BitStereo16 parm [eax] [edx] [ebx] [ecx]
#pragma aux MV_16BitReverb parm [eax] [edx] [ebx] [ecx] modify exact [eax ebx ecx edx esi edi]
#pragma aux MV_8BitReverb parm [eax] [edx] [ebx] [ecx] modify exact [eax ebx ecx edx esi edi]
#pragma aux MV_16BitReverbFast parm [eax] [edx] [ebx] [ecx] modify exact [eax ebx ecx edx esi edi]
#pragma aux MV_8BitReverbFast parm [eax] [edx] [ebx] [ecx] modify exact [eax ebx ecx edx esi edi]
#define CDEC
#elif defined(_MSC_VER)
#define CDEC _cdecl
#elif defined(_WIN32)
#define CDEC __cdecl
#else
#define CDEC
#endif
void CDEC MV_Mix8BitMono( unsigned int position, unsigned int rate,
char *start, unsigned int length );
void CDEC MV_Mix8BitStereo( unsigned int position,
unsigned int rate, char *start, unsigned int length );
void CDEC MV_Mix16BitMono( unsigned int position,
unsigned int rate, char *start, unsigned int length );
void CDEC MV_Mix16BitStereo( unsigned int position,
unsigned int rate, char *start, unsigned int length );
void CDEC MV_Mix16BitMono16( unsigned int position,
unsigned int rate, char *start, unsigned int length );
void CDEC MV_Mix8BitMono16( unsigned int position, unsigned int rate,
char *start, unsigned int length );
void CDEC MV_Mix8BitStereo16( unsigned int position,
unsigned int rate, char *start, unsigned int length );
void CDEC MV_Mix16BitStereo16( unsigned int position,
unsigned int rate, char *start, unsigned int length );
void CDEC MV_16BitReverb( char *src, char *dest, VOLUME16 *volume, int count );
void CDEC MV_8BitReverb( signed char *src, signed char *dest, VOLUME16 *volume, int count );
void CDEC MV_16BitReverbFast( char *src, char *dest, int count, int shift );
void CDEC MV_8BitReverbFast( signed char *src, signed char *dest, int count, int shift );
#undef CDEC
#endif
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