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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 298 | serge | 1 | // Emacs style mode select -*- C++ -*- |
| 2 | //----------------------------------------------------------------------------- |
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| 3 | // |
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| 4 | // $Id:$ |
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| 5 | // |
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| 6 | // Copyright (C) 1993-1996 by id Software, Inc. |
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| 7 | // |
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| 8 | // This source is available for distribution and/or modification |
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| 9 | // only under the terms of the DOOM Source Code License as |
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| 10 | // published by id Software. All rights reserved. |
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| 11 | // |
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| 12 | // The source is distributed in the hope that it will be useful, |
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| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License |
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| 15 | // for more details. |
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| 16 | // |
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| 17 | // $Log:$ |
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| 18 | // |
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| 19 | // DESCRIPTION: |
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| 20 | // System interface for sound. |
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| 21 | // |
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| 22 | //----------------------------------------------------------------------------- |
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| 23 | |||
| 24 | static const char |
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| 25 | rcsid[] = "$Id: i_unix.c,v 1.5 1997/02/03 22:45:10 b1 Exp $"; |
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| 26 | |||
| 27 | #include |
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| 28 | #include |
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| 29 | #include "sounds.h" |
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| 30 | |||
| 31 | char MsgText[256]; |
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| 32 | void WriteDebug(char *); |
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| 33 | |||
| 34 | #define NUM_SOUND_FX 128 |
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| 35 | #define SB_SIZE 20480 |
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| 36 | |||
| 37 | void CreateSoundBuffer(int Channel, int length, unsigned char *data); |
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| 38 | void I_PlaySoundEffect(int sfxid, int Channel, int volume, int pan); |
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| 39 | void DS_Error( HRESULT hresult, char *msg ); |
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| 40 | |||
| 41 | LPDIRECTSOUND8 lpDS; |
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| 42 | LPDIRECTSOUNDBUFFER lpMix[2]; |
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| 43 | extern int gametic; |
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| 44 | int swap_stereo; |
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| 45 | |||
| 46 | static int mixbuff=0; |
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| 47 | |||
| 48 | // Needed for calling the actual sound output. |
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| 49 | #define SAMPLECOUNT 512 |
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| 50 | #define NUM_CHANNELS 16 |
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| 51 | // It is 2 for 16bit, and 2 for two channels. |
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| 52 | #define BUFMUL 4 |
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| 53 | #define MIXBUFFERSIZE (SAMPLECOUNT*BUFMUL) |
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| 54 | |||
| 55 | #define SAMPLERATE 11025 // Hz |
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| 56 | #define SAMPLESIZE 2 // 16bit |
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| 57 | |||
| 58 | extern HWND win; |
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| 59 | |||
| 60 | void I_CreateSound(void) |
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| 61 | { |
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| 62 | HRESULT hret; |
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| 63 | int buff; |
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| 64 | DSBUFFERDESC dsbd; |
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| 65 | WAVEFORMATEX wfx; |
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| 66 | |||
| 67 | hret = DirectSoundCreate8(NULL, &lpDS, NULL); |
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| 68 | if (hret != DS_OK) |
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| 69 | { |
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| 70 | printf("failed DirectSoundCreate"); |
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| 71 | return; |
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| 72 | } |
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| 73 | |||
| 74 | hret = lpDS->lpVtbl->SetCooperativeLevel(lpDS, win, DSSCL_PRIORITY); |
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| 75 | if (hret != DS_OK) |
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| 76 | printf("failled DirectSound.SetCooperativeLevel"); |
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| 77 | |||
| 78 | memset( &wfx,0, sizeof(WAVEFORMATEX) ); |
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| 79 | wfx.wFormatTag = WAVE_FORMAT_PCM; |
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| 80 | wfx.nChannels = 2; |
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| 81 | wfx.nSamplesPerSec = 11025; |
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| 82 | wfx.wBitsPerSample = 16; |
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| 83 | wfx.nBlockAlign = 4; |
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| 84 | wfx.nAvgBytesPerSec = 44100; |
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| 85 | |||
| 86 | memset(&dsbd,0,sizeof(DSBUFFERDESC)); |
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| 87 | dsbd.dwSize = sizeof(DSBUFFERDESC); |
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| 88 | dsbd.dwFlags = 0; |
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| 89 | dsbd.dwBufferBytes = MIXBUFFERSIZE; |
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| 90 | dsbd.lpwfxFormat = &wfx; |
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| 91 | |||
| 92 | hret=lpDS->lpVtbl->CreateSoundBuffer(lpDS,&dsbd, &lpMix[0], NULL); |
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| 93 | hret=lpDS->lpVtbl->CreateSoundBuffer(lpDS,&dsbd, &lpMix[1], NULL); |
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| 94 | |||
| 95 | |||
| 96 | return; |
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| 97 | }; |
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| 98 | |||
| 99 | void ShutdownDirectSound(void) |
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| 100 | { |
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| 101 | int buff; |
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| 102 | DWORD BufferStatus; |
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| 103 | |||
| 104 | if (lpMix[0] !=NULL) |
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| 105 | lpMix[0]->lpVtbl->Release(lpMix[0]); |
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| 106 | if(lpDS != NULL) |
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| 107 | lpDS->lpVtbl->Release(lpDS); |
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| 108 | } |
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| 109 | |||
| 110 | void I_SubmitSound(signed short *mixbuffer) |
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| 111 | { |
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| 112 | DWORD hret; |
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| 113 | void* pPtr1=NULL,*pPtr2=NULL; |
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| 114 | DWORD dwSize1=0,dwSize2=0; |
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| 115 | |||
| 116 | hret = lpMix[mixbuff]->lpVtbl->Stop(lpMix[mixbuff]); |
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| 117 | hret = lpMix[mixbuff]->lpVtbl->SetCurrentPosition(lpMix[mixbuff],0); |
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| 118 | |||
| 119 | hret=lpMix[mixbuff]->lpVtbl->Lock(lpMix[mixbuff],0,MIXBUFFERSIZE,&pPtr1, |
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| 120 | &dwSize1,&pPtr2,&dwSize2,0); |
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| 121 | if (hret!=DS_OK) |
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| 122 | { printf("Error locking on play start"); |
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| 123 | return ; |
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| 124 | } |
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| 125 | memcpy(pPtr1, (void*)mixbuffer, MIXBUFFERSIZE); |
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| 126 | hret-lpMix[mixbuff]->lpVtbl->Unlock(lpMix[mixbuff],pPtr1, dwSize1, pPtr2, dwSize2); |
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| 127 | hret = lpMix[mixbuff]->lpVtbl->Play(lpMix[mixbuff],0,0,0); |
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| 128 | mixbuff= (mixbuff+1)&1; |
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| 129 | |||
| 130 | }; |