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https://gitlab.gnome.org/GNOME/libgnome-volume-control.git
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74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2008 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __GVC_CHANNEL_MAP_H
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#define __GVC_CHANNEL_MAP_H
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#include <glib-object.h>
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#include <gvc-pulseaudio-fake.h>
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G_BEGIN_DECLS
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#define GVC_TYPE_CHANNEL_MAP (gvc_channel_map_get_type ())
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#define GVC_CHANNEL_MAP(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GVC_TYPE_CHANNEL_MAP, GvcChannelMap))
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#define GVC_CHANNEL_MAP_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GVC_TYPE_CHANNEL_MAP, GvcChannelMapClass))
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#define GVC_IS_CHANNEL_MAP(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GVC_TYPE_CHANNEL_MAP))
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#define GVC_IS_CHANNEL_MAP_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GVC_TYPE_CHANNEL_MAP))
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#define GVC_CHANNEL_MAP_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GVC_TYPE_CHANNEL_MAP, GvcChannelMapClass))
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typedef struct GvcChannelMapPrivate GvcChannelMapPrivate;
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typedef struct
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{
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GObject parent;
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GvcChannelMapPrivate *priv;
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} GvcChannelMap;
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typedef struct
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{
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GObjectClass parent_class;
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void (*volume_changed) (GvcChannelMap *channel_map, gboolean set);
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} GvcChannelMapClass;
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enum {
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VOLUME,
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BALANCE,
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FADE,
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LFE,
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NUM_TYPES
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};
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GType gvc_channel_map_get_type (void);
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GvcChannelMap * gvc_channel_map_new (void);
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guint gvc_channel_map_get_num_channels (const GvcChannelMap *map);
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const gdouble * gvc_channel_map_get_volume (GvcChannelMap *map);
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gboolean gvc_channel_map_can_balance (const GvcChannelMap *map);
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gboolean gvc_channel_map_can_fade (const GvcChannelMap *map);
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gboolean gvc_channel_map_has_position (const GvcChannelMap *map,
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pa_channel_position_t position);
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#define gvc_channel_map_has_lfe(x) gvc_channel_map_has_position (x, PA_CHANNEL_POSITION_LFE)
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const char * gvc_channel_map_get_mapping (const GvcChannelMap *map);
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G_END_DECLS
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#endif /* __GVC_CHANNEL_MAP_H */
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