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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 3.14159265358979323
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)(uint32_t position, uint32_t rate,
char *start, uint32_t length);
char *NextBlock;
char *LoopStart;
char *LoopEnd;
unsigned LoopCount;
uint32_t LoopSize;
uint32_t BlockLength;
uint32_t PitchScale;
uint32_t FixedPointBufferSize;
char *sound;
uint32_t length;
uint32_t SamplingRate;
uint32_t RateScale;
uint32_t position;
int32_t Playing;
int32_t handle;
int32_t priority;
void (*DemandFeed)(char **ptr, uint32_t *length);
sounddef OGGstream;
// char *bufsnd;
char bufsnd[0x8000*4];
int32_t downsample;
int16_t *LeftVolume;
int16_t *RightVolume;
uint32_t callbackval;
} VoiceNode;
typedef struct
{
VoiceNode *start;
VoiceNode *end;
} VList;
typedef struct
{
char left;
char right;
} Pan;
typedef struct
{
MONO16 left;
MONO16 right;
} STEREO16;
typedef struct
{
MONO16 left;
MONO16 right;
} SIGNEDSTEREO16;
typedef struct
{
char left;
char right;
} STEREO8;
typedef struct
{
char RIFF[ 4 ];
uint32_t file_size;
char WAVE[ 4 ];
char fmt[ 4 ];
uint32_t format_size;
} riff_header;
typedef struct
{
uint16_t wFormatTag;
uint16_t nChannels;
uint32_t nSamplesPerSec;
uint32_t nAvgBytesPerSec;
uint16_t nBlockAlign;
uint16_t nBitsPerSample;
} format_header;
typedef struct
{
char DATA[ 4 ];
uint32_t size;
} data_header;
typedef char HARSH_CLIP_TABLE_8[ MV_NumVoices * 256 ];
#if defined(_WIN32)
static uint32_t MV_GetBufferSize(unsigned);
#endif
static void MV_Mix(VoiceNode *voice, int32_t buffer);
static void MV_PlayVoice(VoiceNode *voice);
static void MV_StopVoice(VoiceNode *voice);
static int32_t MV_ServiceVoc(int32_t);
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(int32_t handle);
static VoiceNode *MV_AllocVoice(int32_t priority);
static int16_t *MV_GetVolumeTable(int32_t vol);
static void MV_SetVoiceMixMode(VoiceNode *voice);
static void MV_SetVoicePitch(VoiceNode *voice, uint32_t rate, int32_t pitchoffset);
static void MV_CalcVolume(int32_t MaxLevel);
static void MV_CalcPanTable(void);
static void ClearBuffer_DW(void *ptr, int32_t data, int32_t length);
/*
#define ClearBuffer_DW( ptr, data, length ) \
({ void *__ptr=(ptr); unsigned __data=(data); int32_t __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(uint32_t position, uint32_t rate,
char *start, uint32_t length);
void CDEC MV_Mix8BitStereo(uint32_t position,
uint32_t rate, char *start, uint32_t length);
void CDEC MV_Mix16BitMono(uint32_t position,
uint32_t rate, char *start, uint32_t length);
void CDEC MV_Mix16BitStereo(uint32_t position,
uint32_t rate, char *start, uint32_t length);
void CDEC MV_Mix16BitMono16(uint32_t position,
uint32_t rate, char *start, uint32_t length);
void CDEC MV_Mix8BitMono16(uint32_t position, uint32_t rate,
char *start, uint32_t length);
void CDEC MV_Mix8BitStereo16(uint32_t position,
uint32_t rate, char *start, uint32_t length);
void CDEC MV_Mix16BitStereo16(uint32_t position,
uint32_t rate, char *start, uint32_t length);
void CDEC MV_16BitReverb(char *src, char *dest, VOLUME16 *volume, int32_t count);
void CDEC MV_8BitReverb(char *src, char *dest, VOLUME16 *volume, int32_t count);
void CDEC MV_16BitReverbFast(char *src, char *dest, int32_t count, int32_t shift);
void CDEC MV_8BitReverbFast(char *src, char *dest, int32_t count, int32_t shift);
#undef CDEC
#endif
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