Removed old mixer API functions.

Added simple control layer (experimental).

1 files changed, 54 insertions, 0 deletions

diff --git a/src/mixer/mixer_local.h b/src/mixer/mixer_local.h
new file mode 100644
index 00000000..dfb67b30
--- /dev/null
+++ b/src/mixer/mixer_local.h
@@ -0,0 +1,54 @@
+/*
+ *  Mixer Interface - local header file
+ *  Copyright (c) 2000 by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library 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 Library General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <assert.h>
+#include "asoundlib.h"
+
+typedef struct mixer_simple mixer_simple_t;
+
+typedef int (mixer_simple_get_t) (snd_mixer_t *handle, mixer_simple_t *simple, snd_mixer_simple_control_t *control);
+typedef int (mixer_simple_put_t) (snd_mixer_t *handle, mixer_simple_t *simple, snd_mixer_simple_control_t *control);
+typedef int (mixer_simple_event_t) (snd_mixer_t *handle, snd_ctl_event_type_t etype, snd_control_id_t *id);
+
+struct mixer_simple {
+	int refs;			/* number of references */
+	int change;			/* simple control was changed */
+	snd_mixer_sid_t id;
+	mixer_simple_get_t *get;
+	mixer_simple_put_t *put;
+	mixer_simple_event_t *event;
+	mixer_simple_t *prev;
+	mixer_simple_t *next;
+	unsigned long private_value;
+};
+  
+struct snd_mixer {
+	snd_ctl_t *ctl_handle;
+	int simple_valid;
+	int simple_count;
+	int simple_changes;		/* total number of changes */
+	mixer_simple_t *simple_first;
+	mixer_simple_t *simple_last;
+	snd_mixer_simple_callbacks_t *callbacks;
+};
+
+int snd_mixer_simple_build(snd_mixer_t *handle);
+int snd_mixer_simple_destroy(snd_mixer_t *handle);