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authorMax Kellermann <max@duempel.org>2009-03-14 11:35:40 +0100
committerMax Kellermann <max@duempel.org>2009-03-14 11:35:40 +0100
commit88af35c0aba64783e111dfb0585d7958a9e9963e (patch)
tree89425f7b5afe27c73f0d611a8a5160364dab9597 /src/mixer_all.c
parente7c3f469c3a606158144f235dd874c4faf658557 (diff)
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volume: moved code to mixer_all.c
Diffstat (limited to 'src/mixer_all.c')
-rw-r--r--src/mixer_all.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/mixer_all.c b/src/mixer_all.c
new file mode 100644
index 000000000..de5856bbb
--- /dev/null
+++ b/src/mixer_all.c
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+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * http://www.musicpd.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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "mixer_all.h"
+#include "mixer_control.h"
+#include "output_all.h"
+
+#include <glib.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "mixer"
+
+int
+mixer_all_get_volume(void)
+{
+ unsigned count = audio_output_count(), ok = 0;
+ int volume, total = 0;
+
+ for (unsigned i = 0; i < count; i++) {
+ if (mixer_control_getvol(i, &volume)) {
+ g_debug("device %d: volume=%d", i, volume);
+ total += volume;
+ ++ok;
+ }
+ }
+
+ if (ok == 0)
+ return -1;
+
+ return total / ok;
+}
+
+bool
+mixer_all_set_volume(int volume, bool relative)
+{
+ bool success = false;
+ unsigned count = audio_output_count();
+
+ for (unsigned i = 0; i < count; i++)
+ success = mixer_control_setvol(i, volume, relative) || success;
+
+ return success;
+}