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