/* ** Command & Conquer Red Alert(tm) ** Copyright 2025 Electronic Arts Inc. ** ** 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 3 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, see . */ /*************************************************************************** ** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ** *************************************************************************** * * * Project Name : Westwood 32 bit Library * * * * File Name : AUDIO.H * * * * Programmer : Phil W. Gorrow * * * * Start Date : March 10, 1995 * * * * Last Update : March 10, 1995 [PWG] * * * *-------------------------------------------------------------------------* * Functions: * * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ #include "wwstd.h" /*=========================================================================*/ /* AUD file header type */ /*=========================================================================*/ #define AUD_FLAG_STEREO 1 #define AUD_FLAG_16BIT 2 // PWG 3-14-95: This structure used to have bit fields defined for Stereo // and Bits. These were removed because watcom packs them into a 32 bit // flag entry even though they could have fit in a 8 bit entry. #pragma pack(1); typedef struct { short int Rate; // Playback rate (hertz). long Size; // Size of data (bytes). long UncompSize; // Size of data (bytes). unsigned char Flags; // Holds flags for info // 1: Is the sample stereo? // 2: Is the sample 16 bits? unsigned char Compression; // What kind of compression for this sample? } AUDHeaderType; /*=========================================================================*/ /* There can be a different sound driver for sound effects, digitized */ /* samples, and musical scores. Each one must be of these specified */ /* types. */ /*=========================================================================*/ typedef enum { SAMPLE_NONE, // No digitized sounds will be played. SAMPLE_SB, // Sound Blaster digitized driver. SAMPLE_SBPRO, // Sound Blaster Pro digitized driver. SAMPLE_PAS, // Pro-Audio Spectrum digitized driver. SAMPLE_ADLIBG, // Adlib-Gold digitized driver. SAMPLE_TANDY, // Tandy 'compatible' driver. SAMPLE_PCSPKR, // PC speaker digitized driver (The Audio Solution driver). SAMPLE_ADLIB, // Adlib digitized driver (The Audio Solution driver). SAMPLE_TEMP=0x1000, SAMPLE_LAST } Sample_Type; typedef enum { SCORE_NONE, // No scores will be played. SCORE_ALFX, // Westwood's ALFX adlib compatable driver. SCORE_WWPCSPKR, // Westwood's PC-speaker driver (obsolete). SCORE_WWTANDY, // Westwood's PC-speaker driver with Tandy mod (obsolete). SCORE_PCSPKR, // PC speaker XMIDI driver. SCORE_TANDY, // Tandy XMIDI driver. SCORE_MT32, // MT-32 / LAPC-1 Roland XMIDI driver. SCORE_CANVAS, // Sound Canvas SC-55. SCORE_ADLIB, // Adlib XMIDI driver. SCORE_ADLIBG, // Adlib Gold XMIDI driver. SCORE_PASFM, // Pro Audio Spectrum XMIDI driver. SCORE_SBFM, // Sound Blaster XMIDI driver. SCORE_SBP1FM, // Sound Blaster Pro (YM3812) XMIDI driver. SCORE_SBP2FM, // Sound Blaster Pro (OPL3) XMIDI driver (Can't use with SFX_ALFX). SCORE_TEMP=0x1000, SCORE_LAST } Score_Type; typedef enum { SFX_NONE, // No sound effects will be played. SFX_ALFX, // Westwood's ALFX adlib compatable driver. SFX_WWPCSPKR, // Westwood's PC-speaker driver. SFX_WWTANDY, // Westwood's PC-speaker driver with Tandy mod. SFX_PCSPKR, // PC speaker XMIDI driver. SFX_TANDY, // Tandy XMIDI driver. SFX_MT32, // MT-32 / LAPC-1 Roland XMIDI driver. SFX_CANVAS, // Sound Canvas SC-55. SFX_ADLIB, // Adlib XMIDI driver. SFX_ADLIBG, // Adlib Gold XMIDI driver. SFX_PASFM, // Pro Audio Spectrum XMIDI driver. SFX_SBFM, // Sound Blaster XMIDI driver. SFX_SBP1FM, // Sound Blaster Pro (YM3812) XMIDI driver. SFX_SBP2FM, // Sound Blaster Pro (OPL3) XMIDI driver. SFX_TEMP=0x1000, SFX_LAST } SFX_Type; typedef enum RateEnum { PLAYBACK_RATE_SLOW =11025, PLAYBACK_RATE_NORMAL =(11025 * 2), PLAYBACK_RATE_FAST =(11025 * 4), } RateType; /*=========================================================================*/ /* The following prototypes are for the file: SOUNDIO.CPP */ /*=========================================================================*/ int File_Stream_Sample(char const *filename, BOOL real_time_start = FALSE); int File_Stream_Sample_Vol(char const *filename, int volume, BOOL real_time_start = FALSE); void cdecl _saveregs Sound_Callback(void); void cdecl far __saveregs __loadds maintenance_callback(void); void *Load_Sample(char const *filename); long Load_Sample_Into_Buffer(char const *filename, void *buffer, long size); long Sample_Read(int fh, void *buffer, long size); void Free_Sample(void const *sample); BOOL Sound_Init(int sfx, int score, int sample, RateType rate, int bits_per_sample, int max_samples, int reverse_channels); BOOL Audio_Init(int sample, int address, int inter, int dma, RateType rate, int bits_per_sample, int max_samples, int reverse_channels = FALSE); void Sound_End(void); void Stop_Sample(int handle); BOOL Sample_Status(int handle); BOOL Is_Sample_Playing(void const * sample); void Stop_Sample_Playing(void const * sample); int Play_Sample(void const *sample, int priority=0xFF, int volume=0xFF, signed short panloc = 0x0); int Play_Sample_Handle(void const *sample, int priority, int volume, signed short panloc, int id); int Set_Sound_Vol(int volume); int Set_Score_Vol(int volume); void Fade_Sample(int handle, int ticks); int Get_Free_Sample_Handle(int priority); int Get_Digi_Handle(void); long Sample_Length(void const *sample); extern int Misc; extern SFX_Type SoundType; extern Sample_Type SampleType;