1 files changed, 91 insertions, 0 deletions
diff --git a/src/sys/win32/volume-win32mm.c b/src/sys/win32/volume-win32mm.c
new file mode 100644
index 0000000..e3d966c
--- /dev/null
+++ b/src/sys/win32/volume-win32mm.c
@@ -0,0 +1,91 @@
+/*
+ * 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);
+}