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 */