1 /*
2 * Schism Tracker - a cross-platform Impulse Tracker clone
3 * copyright (c) 2003-2005 Storlek <storlek@rigelseven.com>
4 * copyright (c) 2005-2008 Mrs. Brisby <mrs.brisby@nimh.org>
5 * copyright (c) 2009 Storlek & Mrs. Brisby
6 * copyright (c) 2010-2012 Storlek
7 * URL: http://schismtracker.org/
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24 #include "headers.h"
25
26 #include "util.h"
27 #include "osdefs.h"
28
29 #ifndef WIN32
30 # error Why do you want to build this if you do not intend to use it?
31 #endif
32
33 #include <windows.h>
34 #include <mmsystem.h>
35
36 /* Note: [Gargaj]
37
38 WinMM DOES support max volumes up to 65535, but the scroller is
39 so goddamn slow and it only supports 3 digits anyway, that
40 it doesn't make any sense to keep the precision.
41 */
42
43 int win32mm_volume_get_max(void)
44 {
45 return 0xFF;
46 }
47
48 static HWAVEOUT open_mixer(void)
49 {
50 HWAVEOUT hwo=NULL;
51 WAVEFORMATEX pwfx;
52 #if 0
53 pwfx.wFormatTag = WAVE_FORMAT_UNKNOWN;
54 pwfx.nChannels = 0;
55 pwfx.nSamplesPerSec = 0;
56 pwfx.wBitsPerSample = 0;
57 pwfx.nBlockAlign = 0;
58 pwfx.nAvgBytesPerSec = 0;
59 pwfx.cbSize = 0;
60 #else
61 pwfx.wFormatTag = WAVE_FORMAT_PCM;
log_draw_const(void)62 pwfx.nChannels = 1;
63 pwfx.nSamplesPerSec = 44100;
64 pwfx.wBitsPerSample = 8;
65 pwfx.nBlockAlign = 4;
66 pwfx.nAvgBytesPerSec = 44100*1*1;
67 pwfx.cbSize = 0;
log_handle_key(struct key_event * k)68 #endif
69 if (waveOutOpen(&hwo, WAVE_MAPPER, &pwfx, 0, 0, CALLBACK_NULL)!=MMSYSERR_NOERROR)
70 return NULL;
71 return hwo;
72 }
73
74 void win32mm_volume_read(int *left, int *right)
75 {
76 DWORD vol;
77
78 *left = *right = 0;
79
80 waveOutGetVolume(NULL,&vol);
81
82 *left = (vol & 0xFFFF) >> 8;
83 *right = (vol >> 16) >> 8;
84 }
85
86 void win32mm_volume_write(int left, int right)
87 {
88 DWORD vol = ((left & 0xFF)<<8) | ((right & 0xFF)<<(16+8));
89
90 waveOutSetVolume(NULL,vol);
91 }
92