/* 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; uint32_t 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(uint32_t); #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); #if 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