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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2008 Red Hat, Inc.
*
* 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.
*
*/
#ifndef __GVC_CHANNEL_MAP_H
#define __GVC_CHANNEL_MAP_H
#include <glib-object.h>
#include <pulse/pulseaudio.h>
G_BEGIN_DECLS
#define GVC_TYPE_CHANNEL_MAP (gvc_channel_map_get_type ())
#define GVC_CHANNEL_MAP(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GVC_TYPE_CHANNEL_MAP, GvcChannelMap))
#define GVC_CHANNEL_MAP_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GVC_TYPE_CHANNEL_MAP, GvcChannelMapClass))
#define GVC_IS_CHANNEL_MAP(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GVC_TYPE_CHANNEL_MAP))
#define GVC_IS_CHANNEL_MAP_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GVC_TYPE_CHANNEL_MAP))
#define GVC_CHANNEL_MAP_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GVC_TYPE_CHANNEL_MAP, GvcChannelMapClass))
typedef struct GvcChannelMapPrivate GvcChannelMapPrivate;
typedef struct
{
GObject parent;
GvcChannelMapPrivate *priv;
} GvcChannelMap;
typedef struct
{
GObjectClass parent_class;
void (*volume_changed) (GvcChannelMap *channel_map, gboolean set);
} GvcChannelMapClass;
enum {
VOLUME,
BALANCE,
FADE,
LFE,
};
#define NUM_TYPES LFE + 1
GType gvc_channel_map_get_type (void);
GvcChannelMap * gvc_channel_map_new (void);
GvcChannelMap * gvc_channel_map_new_from_pa_channel_map (const pa_channel_map *map);
guint gvc_channel_map_get_num_channels (const GvcChannelMap *map);
const gdouble * gvc_channel_map_get_volume (GvcChannelMap *map);
gboolean gvc_channel_map_can_balance (const GvcChannelMap *map);
gboolean gvc_channel_map_can_fade (const GvcChannelMap *map);
gboolean gvc_channel_map_has_position (const GvcChannelMap *map,
pa_channel_position_t position);
#define gvc_channel_map_has_lfe(x) gvc_channel_map_has_position (x, PA_CHANNEL_POSITION_LFE)
void gvc_channel_map_volume_changed (GvcChannelMap *map,
const pa_cvolume *cv,
gboolean set);
const char * gvc_channel_map_get_mapping (const GvcChannelMap *map);
/* private */
const pa_cvolume * gvc_channel_map_get_cvolume (const GvcChannelMap *map);
const pa_channel_map * gvc_channel_map_get_pa_channel_map (const GvcChannelMap *map);
G_END_DECLS
#endif /* __GVC_CHANNEL_MAP_H */
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