1 files changed, 111 insertions, 0 deletions
diff --git a/backends/alsa/alsa-stream-control.h b/backends/alsa/alsa-stream-control.h
new file mode 100644
index 0000000..f9ac6b6
--- /dev/null
+++ b/backends/alsa/alsa-stream-control.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2014 Michal Ratajsky <[email protected]>
+ *
+ * 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 */