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kolibrios-fun/programs/games/doom/trunk/w_sound.c
Sergey Semyonov (Serge) c682e2d8c0 Doom alpha 2
git-svn-id: svn://kolibrios.org@333 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-02-08 22:53:29 +00:00

129 lines
3.4 KiB
C

// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// $Log:$
//
// DESCRIPTION:
// System interface for sound.
//
//-----------------------------------------------------------------------------
static const char
rcsid[] = "$Id: i_unix.c,v 1.5 1997/02/03 22:45:10 b1 Exp $";
#include "sounds.h"
char MsgText[256];
void WriteDebug(char *);
#define NUM_SOUND_FX 128
#define SB_SIZE 20480
void CreateSoundBuffer(int Channel, int length, unsigned char *data);
void I_PlaySoundEffect(int sfxid, int Channel, int volume, int pan);
void DS_Error( HRESULT hresult, char *msg );
LPDIRECTSOUND8 lpDS;
LPDIRECTSOUNDBUFFER lpMix[2];
extern int gametic;
int swap_stereo;
static int mixbuff=0;
// Needed for calling the actual sound output.
#define SAMPLECOUNT 512
#define NUM_CHANNELS 16
// It is 2 for 16bit, and 2 for two channels.
#define BUFMUL 4
#define MIXBUFFERSIZE (SAMPLECOUNT*BUFMUL)
#define SAMPLERATE 11025 // Hz
#define SAMPLESIZE 2 // 16bit
extern HWND win;
void I_CreateSound(void)
{
HRESULT hret;
int buff;
DSBUFFERDESC dsbd;
WAVEFORMATEX wfx;
hret = DirectSoundCreate8(NULL, &lpDS, NULL);
if (hret != DS_OK)
{
//printf("failed DirectSoundCreate");
return;
}
hret = lpDS->lpVtbl->SetCooperativeLevel(lpDS, win, DSSCL_PRIORITY);
if (hret != DS_OK)
//printf("failled DirectSound.SetCooperativeLevel");
memset( &wfx,0, sizeof(WAVEFORMATEX) );
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = 2;
wfx.nSamplesPerSec = 11025;
wfx.wBitsPerSample = 16;
wfx.nBlockAlign = 4;
wfx.nAvgBytesPerSec = 44100;
memset(&dsbd,0,sizeof(DSBUFFERDESC));
dsbd.dwSize = sizeof(DSBUFFERDESC);
dsbd.dwFlags = 0;
dsbd.dwBufferBytes = MIXBUFFERSIZE;
dsbd.lpwfxFormat = &wfx;
hret=lpDS->lpVtbl->CreateSoundBuffer(lpDS,&dsbd, &lpMix[0], NULL);
hret=lpDS->lpVtbl->CreateSoundBuffer(lpDS,&dsbd, &lpMix[1], NULL);
return;
};
void ShutdownDirectSound(void)
{
int buff;
DWORD BufferStatus;
if (lpMix[0] !=NULL)
lpMix[0]->lpVtbl->Release(lpMix[0]);
if(lpDS != NULL)
lpDS->lpVtbl->Release(lpDS);
}
void I_SubmitSound(signed short *mixbuffer)
{
DWORD hret;
void* pPtr1=NULL,*pPtr2=NULL;
DWORD dwSize1=0,dwSize2=0;
hret = lpMix[mixbuff]->lpVtbl->Stop(lpMix[mixbuff]);
hret = lpMix[mixbuff]->lpVtbl->SetCurrentPosition(lpMix[mixbuff],0);
hret=lpMix[mixbuff]->lpVtbl->Lock(lpMix[mixbuff],0,MIXBUFFERSIZE,&pPtr1,
&dwSize1,&pPtr2,&dwSize2,0);
if (hret!=DS_OK)
{ //printf("Error locking on play start");
return ;
}
memcpy(pPtr1, (void*)mixbuffer, MIXBUFFERSIZE);
hret-lpMix[mixbuff]->lpVtbl->Unlock(lpMix[mixbuff],pPtr1, dwSize1, pPtr2, dwSize2);
hret = lpMix[mixbuff]->lpVtbl->Play(lpMix[mixbuff],0,0,0);
mixbuff= (mixbuff+1)&1;
};