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/*
* Copyright (C) 2014 Michal Ratajsky <michal.ratajsky@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the licence, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ALSA_STREAM_CONTROL_H
#define ALSA_STREAM_CONTROL_H
#include <glib.h>
#include <glib-object.h>
#include <alsa/asoundlib.h>
#include <libmatemixer/matemixer.h>
G_BEGIN_DECLS
typedef struct {
gboolean active;
MateMixerChannelPosition c[MATE_MIXER_CHANNEL_MAX];
guint v[MATE_MIXER_CHANNEL_MAX];
gboolean m[MATE_MIXER_CHANNEL_MAX];
guint volume;
gboolean volume_joined;
gboolean switch_usable;
gboolean switch_joined;
guint min;
guint max;
gdouble min_decibel;
gdouble max_decibel;
guint channels;
} AlsaControlData;
extern const MateMixerChannelPosition alsa_channel_map_from[SND_MIXER_SCHN_LAST];
extern const snd_mixer_selem_channel_id_t alsa_channel_map_to[MATE_MIXER_CHANNEL_MAX];
#define ALSA_TYPE_STREAM_CONTROL \
(alsa_stream_control_get_type ())
#define ALSA_STREAM_CONTROL(o) \
(G_TYPE_CHECK_INSTANCE_CAST ((o), ALSA_TYPE_STREAM_CONTROL, AlsaStreamControl))
#define ALSA_IS_STREAM_CONTROL(o) \
(G_TYPE_CHECK_INSTANCE_TYPE ((o), ALSA_TYPE_STREAM_CONTROL))
#define ALSA_STREAM_CONTROL_CLASS(k) \
(G_TYPE_CHECK_CLASS_CAST ((k), ALSA_TYPE_STREAM_CONTROL, AlsaStreamControlClass))
#define ALSA_IS_STREAM_CONTROL_CLASS(k) \
(G_TYPE_CHECK_CLASS_TYPE ((k), ALSA_TYPE_STREAM_CONTROL))
#define ALSA_STREAM_CONTROL_GET_CLASS(o) \
(G_TYPE_INSTANCE_GET_CLASS ((o), ALSA_TYPE_STREAM_CONTROL, AlsaStreamControlClass))
typedef struct _AlsaStreamControl AlsaStreamControl;
typedef struct _AlsaStreamControlClass AlsaStreamControlClass;
typedef struct _AlsaStreamControlPrivate AlsaStreamControlPrivate;
struct _AlsaStreamControl
{
MateMixerStreamControl parent;
/*< private >*/
AlsaStreamControlPrivate *priv;
};
struct _AlsaStreamControlClass
{
MateMixerStreamControlClass parent_class;
/*< private >*/
gboolean (*load) (AlsaStreamControl *control);
gboolean (*set_mute) (AlsaStreamControl *control,
gboolean mute);
gboolean (*set_volume) (AlsaStreamControl *control,
guint volume);
gboolean (*set_channel_volume) (AlsaStreamControl *control,
snd_mixer_selem_channel_id_t channel,
guint volume);
gboolean (*get_volume_from_decibel) (AlsaStreamControl *control,
gdouble decibel,
guint *volume);
gboolean (*get_decibel_from_volume) (AlsaStreamControl *control,
guint volume,
gdouble *decibel);
};
GType alsa_stream_control_get_type (void) G_GNUC_CONST;
AlsaControlData * alsa_stream_control_get_data (AlsaStreamControl *control);
void alsa_stream_control_set_data (AlsaStreamControl *control,
AlsaControlData *data);
gboolean alsa_stream_control_set_role (AlsaStreamControl *control,
MateMixerStreamControlRole role);
G_END_DECLS
#endif /* ALSA_STREAM_CONTROL_H */
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