Initial Source Code commit
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
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REDALERT/WIN32LIB/SOUNDINT.H
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REDALERT/WIN32LIB/SOUNDINT.H
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//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/***************************************************************************
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** 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 **
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***************************************************************************
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* *
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* Project Name : Westwood 32 bit Library *
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* *
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* File Name : SOUNDINT.H *
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* *
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* Programmer : Phil W. Gorrow *
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* *
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* Start Date : June 23, 1995 *
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* *
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* Last Update : June 23, 1995 [PWG] *
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* *
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* This file is the include file for the Westwood Sound Sytem defines and *
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* routines that are handled in an interrupt.
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "sound.h"
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/*
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** Defines for true and false. These are included because we do not allow
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** the sound int to include any of the westwood standard headers. If we
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** did, there might be too much temptation to call another library function.
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** this would be bad, because then that function would not be locked.
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*/
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#define FALSE 0
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#define TRUE 1
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/*
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** Define the different type of sound compression avaliable to the westwood
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** library.
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*/
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typedef enum {
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SCOMP_NONE=0, // No compression -- raw data.
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SCOMP_WESTWOOD=1, // Special sliding window delta compression.
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SCOMP_SONARC=33, // Sonarc frame compression.
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SCOMP_SOS=99 // SOS frame compression.
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} SCompressType;
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/*
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** This is the safety overrun margin for the sonarc compressed
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** data frames. This value should be equal the maximum 'order' times
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** the maximum number of bytes per sample. It should be evenly divisible
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** by 16 to aid paragraph alignment.
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*/
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#define SONARC_MARGIN 32
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/*
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** Define the sample control structure which helps us to handle feeding
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** data to the sound interrupt.
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*/
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#pragma pack(1);
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typedef struct {
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/*
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** This flags whether this sample structure is active or not.
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*/
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unsigned Active;
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//unsigned Active:1;
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/*
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** This flags whether the sample is loading or has been started.
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*/
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//unsigned Loading:1;
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unsigned Loading;
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/*
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** This semaphore ensures that simultaneous update of this structure won't
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** occur. This is necessary since both interrupt and regular code can modify
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** this structure.
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*/
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//unsigned DontTouch:1;
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unsigned DontTouch;
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/*
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** If this sample is really to be considered a score rather than
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** a sound effect, then special rules apply. These largely fall into
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** the area of volume control.
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*/
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//unsigned IsScore:1;
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unsigned IsScore;
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/*
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** This is the original sample pointer. It is used to control the sample based on
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** pointer rather than handle. The handle method is necessary when more than one
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** sample could be playing simultaneously. The pointer method is necessary when
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** the dealing with a sample that may have stopped behind the programmer's back and
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** this occurance is not otherwise determinable. It is also used in
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** conjunction with original size to unlock a sample which has been DPMI
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** locked.
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*/
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void const *Original;
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long OriginalSize;
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/*
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** These are pointers to the double buffers.
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*/
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LPDIRECTSOUNDBUFFER PlayBuffer;
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/*
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** Variable to keep track of the playback rate of this buffer
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*/
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int PlaybackRate;
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/*
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** Variable to keep track of the sample type ( 8 or 16 bit ) of this buffer
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*/
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int BitSize;
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/*
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** Variable to keep track of the stereo ability of this buffer
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*/
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int Stereo;
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/*
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** The number of bytes in the buffer that has been filled but is not
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** yet playing. This value is normally the size of the buffer,
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** except for the case of the last bit of the sample.
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*/
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LONG DataLength;
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/*
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** This is the buffer index for the low buffer that
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** has been filled with data but not yet being
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** played.
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*/
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// short int Index;
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/*
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** Pointer into the play buffer for writing the next
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** chunk of sample to
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**
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*/
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VOID *DestPtr;
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/*
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** This flag indicates that there is more source data
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** to copy to the play buffer
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**
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*/
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BOOL MoreSource;
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/*
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** This flag indicates that the entire sample fitted inside the
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** direct sound secondary buffer
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**
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*/
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BOOL OneShot;
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/*
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** Pointer to the sound data that has not yet been copied
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** to the playback buffers.
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*/
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VOID *Source;
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/*
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** This is the number of bytes remaining in the source data as
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** pointed to by the "Source" element.
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*/
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LONG Remainder;
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/*
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** Object to use with Enter/LeaveCriticalSection
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**
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*/
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CRITICAL_SECTION AudioCriticalSection;
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/*
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** Samples maintain a priority which is used to determine
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** which sounds live or die when the maximum number of
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** sounds are being played.
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*/
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int Priority;
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/*
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** This is the handle as returned by sosDIGIStartSample function.
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*/
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short int Handle;
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/*
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** This is the current volume of the sample as it is being played.
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*/
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int Volume;
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int Reducer; // Amount to reduce volume per tick.
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/*
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** This is the compression that the sound data is using.
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*/
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SCompressType Compression;
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short int TrailerLen; // Number of trailer bytes in buffer.
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BYTE Trailer[SONARC_MARGIN]; // Maximum number of 'order' samples needed.
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DWORD Pitch;
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WORD Flags;
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/*
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** This flag indicates whether this sample needs servicing.
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** Servicing entails filling one of the empty low buffers.
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*/
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short int Service;
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/*
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** This flag is TRUE when the sample has stopped playing,
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** BUT there is more data available. The sample must be
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** restarted upon filling the low buffer.
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*/
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BOOL Restart;
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/*
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** Streaming control handlers.
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*/
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BOOL (*Callback)(short int id, short int *odd, VOID **buffer, LONG *size);
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VOID *QueueBuffer; // Pointer to continued sample data.
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LONG QueueSize; // Size of queue buffer attached.
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short int Odd; // Block number tracker (0..StreamBufferCount-1).
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int FilePending; // Number of buffers already filled ahead.
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long FilePendingSize; // Number of bytes in last filled buffer.
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/*
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** The file variables are used when streaming directly off of the
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** hard drive.
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*/
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int FileHandle; // Streaming file handle (ERROR = not in use).
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VOID *FileBuffer; // Temporary streaming buffer (allowed to be freed).
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/*
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** The following structure is used if the sample if compressed using
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** the sos 16 bit compression Codec.
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*/
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_SOS_COMPRESS_INFO sosinfo;
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} SampleTrackerType;
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typedef struct LockedData {
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unsigned int DigiHandle; // = -1;
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BOOL ServiceSomething; // = FALSE;
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long MagicNumber; // = 0xDEAF;
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VOID *UncompBuffer; // = NULL;
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long StreamBufferSize; // = (2*SECONDARY_BUFFER_SIZE)+128;
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short StreamBufferCount; // = 32;
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SampleTrackerType SampleTracker[MAX_SFX];
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unsigned int SoundVolume;
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unsigned int ScoreVolume;
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BOOL _int;
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} LockedDataType;
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extern LockedDataType LockedData;
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#pragma pack(4);
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void Init_Locked_Data(void);
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long Simple_Copy(void ** source, long * ssize, void ** alternate, long * altsize, void **dest, long size);
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long Sample_Copy(SampleTrackerType *st, void ** source, long * ssize, void ** alternate, long * altsize, void * dest, long size, SCompressType scomp, void * trailer, short int *trailersize);
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VOID far __cdecl maintenance_callback(VOID);
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VOID __cdecl far DigiCallback(unsigned int driverhandle, unsigned int callsource, unsigned int sampleid);
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void far HMI_TimerCallback(void);
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void *Audio_Add_Long_To_Pointer(void const *ptr, long size);
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void DPMI_Unlock(VOID const *ptr, long const size);
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extern "C" {
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void __cdecl Audio_Mem_Set(void const *ptr, unsigned char value, long size);
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// void Mem_Copy(void *source, void *dest, unsigned long bytes_to_copy);
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long __cdecl Decompress_Frame(void * source, void * dest, long size);
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int __cdecl Decompress_Frame_Lock(void);
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int __cdecl Decompress_Frame_Unlock(void);
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int __cdecl sosCODEC_Lock(void);
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int __cdecl sosCODEC_Unlock(void);
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void __GETDS(void);
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}
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