moved from Mate-Extra

1 files changed, 81 insertions, 0 deletions

diff --git a/mate-volume-control/src/gvc-channel-map.h b/mate-volume-control/src/gvc-channel-map.h
new file mode 100644
index 0000000..a149ee3
--- /dev/null
+++ b/mate-volume-control/src/gvc-channel-map.h
@@ -0,0 +1,81 @@
+/* -*- 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 */