Mercurial > hg > forks > pwpunix
annotate pwplib/snd-w32.c @ 17:c60e531d19cd
Some misc. cleanups and minor warning removals.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sat, 22 May 2010 20:32:49 +0300 |
| parents | acb5694e93d9 |
| children | b9d679965320 |
| rev | line source |
|---|---|
| 0 | 1 #include "config.h" |
| 2 | |
| 3 #ifdef DRIVE_WIN32 | |
| 4 | |
| 5 #include <stdio.h> | |
| 6 #include <stdlib.h> | |
| 7 #include <string.h> | |
| 8 #include <malloc.h> | |
| 9 | |
| 10 #include <windows.h> | |
| 11 | |
| 12 #define TIMERHZ 72 | |
| 13 | |
| 14 #include "pwplib.h" | |
| 15 | |
| 16 #define NUMBUFS 2 | |
| 17 | |
| 18 #define HARDBUFSIZE 65536 | |
| 19 | |
| 20 struct | |
| 21 { | |
| 22 int buffersize; | |
| 23 HWAVEOUT outHandle; | |
| 24 WAVEHDR waveHdr[NUMBUFS]; | |
| 25 char *bufData[NUMBUFS]; | |
| 26 int currbuf; | |
| 27 int bufferptr; | |
| 28 int letsgo; | |
| 29 } | |
| 30 pwp_w32snd; | |
| 31 | |
| 32 extern void gb_sound(int,int,int,int); | |
| 33 | |
| 34 void win32snd_fill() | |
| 35 { | |
| 36 while(pwp_w32snd.bufferptr<(HARDBUFSIZE-pwp_w32snd.buffersize)) | |
| 37 { | |
| 38 pwplib.player(); | |
| 39 | |
| 40 gb_genwave(pwp_w32snd.bufData[pwp_w32snd.currbuf] + | |
| 41 pwp_w32snd.bufferptr, | |
| 42 pwp_w32snd.buffersize); | |
| 43 | |
| 44 pwp_w32snd.bufferptr += pwp_w32snd.buffersize; | |
| 45 } | |
| 46 pwp_w32snd.waveHdr[pwp_w32snd.currbuf].lpData = | |
| 47 pwp_w32snd.bufData[pwp_w32snd.currbuf]; | |
| 48 pwp_w32snd.waveHdr[pwp_w32snd.currbuf].dwBufferLength = | |
| 49 pwp_w32snd.bufferptr; | |
| 50 | |
| 51 pwp_w32snd.bufferptr=0; | |
| 52 | |
| 53 waveOutPrepareHeader( | |
| 54 pwp_w32snd.outHandle, | |
| 55 &pwp_w32snd.waveHdr[pwp_w32snd.currbuf], | |
| 56 sizeof(WAVEHDR)); | |
| 57 | |
| 58 waveOutWrite( | |
| 59 pwp_w32snd.outHandle, | |
| 60 &pwp_w32snd.waveHdr[pwp_w32snd.currbuf], | |
| 61 sizeof(WAVEHDR)); | |
| 62 | |
| 63 pwp_w32snd.currbuf=(pwp_w32snd.currbuf+1)%NUMBUFS; | |
| 64 } | |
| 65 | |
| 66 static void CALLBACK win32snd_callback(HWAVEOUT hwo,UINT uMsg, | |
| 67 DWORD dwParam0, DWORD dwParam1, DWORD dwParam2) | |
| 68 { | |
| 69 if(pwp_w32snd.letsgo==0) return; | |
| 70 | |
| 71 /* | |
| 72 if(pwp_w32snd.waveHdr[pwp_w32snd.currbuf].dwFlags&WHDR_PREPARED) | |
| 73 waveOutUnprepareHeader( | |
| 74 pwp_w32snd.outHandle, | |
| 75 &pwp_w32snd.waveHdr[pwp_w32snd.currbuf], | |
| 76 sizeof(WAVEHDR)); | |
| 77 */ | |
| 78 win32snd_fill(); | |
| 79 } | |
| 80 | |
| 81 void win32snd_restore() | |
| 82 { | |
| 83 } | |
| 84 | |
| 85 void win32snd_start() | |
| 86 { | |
| 87 if(pwp_w32snd.letsgo==0) | |
| 88 { | |
| 89 {int i=0; | |
| 90 for(;i<NUMBUFS;i++) win32snd_fill(); | |
| 91 } | |
| 92 | |
| 93 pwp_w32snd.letsgo++; | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 int win32snd_init() | |
| 98 { | |
| 99 HANDLE bufHandle,waveHdrHandle; | |
| 100 WAVEFORMATEX waveFormat; | |
| 101 | |
| 102 /************/ | |
| 103 | |
| 104 /* try: 8000/8/1, 11025/8/1, 11025/16/1, 22050/16/1, 22050/16/2, | |
| 105 44100/16/2 */ | |
| 106 | |
| 107 waveFormat.wFormatTag = WAVE_FORMAT_PCM; | |
| 108 waveFormat.nChannels = 1; | |
| 109 waveFormat.nSamplesPerSec = 22050; | |
| 110 waveFormat.wBitsPerSample = 8; | |
| 111 waveFormat.nBlockAlign = | |
| 112 waveFormat.nChannels * (waveFormat.wBitsPerSample/8); | |
| 113 waveFormat.nAvgBytesPerSec = | |
| 114 waveFormat.nSamplesPerSec * waveFormat.nBlockAlign; | |
| 115 waveFormat.cbSize = 0; | |
| 116 | |
| 117 pwp_w32snd.letsgo=0; | |
| 118 | |
| 119 {int i=0;for(;i<NUMBUFS;i++) | |
| 120 pwp_w32snd.bufData[i] = malloc(HARDBUFSIZE); | |
| 121 } | |
| 122 | |
| 123 pwplib.sound=gb_sound; | |
| 124 gb_init(waveFormat.nAvgBytesPerSec); | |
| 125 | |
| 126 pwp_w32snd.buffersize = waveFormat.nAvgBytesPerSec/TIMERHZ; | |
| 127 pwp_w32snd.currbuf=0; | |
| 128 pwp_w32snd.bufferptr = 0; | |
| 129 | |
| 130 {int r = waveOutOpen(&pwp_w32snd.outHandle,WAVE_MAPPER,&waveFormat, | |
| 131 (DWORD)win32snd_callback,0, | |
| 132 CALLBACK_FUNCTION); | |
| 133 if(r) { printf("ERROR\n"); } | |
| 134 } | |
| 135 | |
|
17
c60e531d19cd
Some misc. cleanups and minor warning removals.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
136 pwplib_regdestr(win32snd_restore); |
| 0 | 137 |
| 138 // pwp_w32snd.buffersize = waveFormat.nAvgBytesPerSec/TIMERHZ; | |
| 139 | |
| 140 pwplib.loopflush = win32snd_start; | |
| 141 | |
| 142 return 1; | |
| 143 } | |
| 144 | |
| 145 #endif | |
| 146 |