Add ALSA, improve OSS and remove OSS4

1 files changed, 61 insertions, 0 deletions

diff --git a/backends/alsa/alsa-element.h b/backends/alsa/alsa-element.h
new file mode 100644
index 0000000..01d30f1
--- /dev/null
+++ b/backends/alsa/alsa-element.h
@@ -0,0 +1,61 @@
+/*
+ * 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_ELEMENT_H
+#define ALSA_ELEMENT_H
+
+#include <glib.h>
+#include <glib-object.h>
+#include <alsa/asoundlib.h>
+
+G_BEGIN_DECLS
+
+#define ALSA_TYPE_ELEMENT                       \
+        (alsa_element_get_type ())
+#define ALSA_ELEMENT(o)                         \
+        (G_TYPE_CHECK_INSTANCE_CAST ((o), ALSA_TYPE_ELEMENT, AlsaElement))
+#define ALSA_IS_ELEMENT(o)                      \
+        (G_TYPE_CHECK_INSTANCE_TYPE ((o), ALSA_TYPE_ELEMENT))
+#define ALSA_ELEMENT_GET_INTERFACE(o)           \
+        (G_TYPE_INSTANCE_GET_INTERFACE ((o), ALSA_TYPE_ELEMENT, AlsaElementInterface))
+
+typedef struct _AlsaElement           AlsaElement; /* dummy object */
+typedef struct _AlsaElementInterface  AlsaElementInterface;
+
+struct _AlsaElementInterface
+{
+    GTypeInterface parent_iface;
+
+    /*< private >*/
+    snd_mixer_elem_t *(*get_snd_element) (AlsaElement      *element);
+    void              (*set_snd_element) (AlsaElement      *element,
+                                          snd_mixer_elem_t *el);
+
+    gboolean          (*load)            (AlsaElement      *element);
+};
+
+GType             alsa_element_get_type        (void) G_GNUC_CONST;
+
+snd_mixer_elem_t *alsa_element_get_snd_element (AlsaElement      *element);
+void              alsa_element_set_snd_element (AlsaElement      *element,
+                                                snd_mixer_elem_t *el);
+
+gboolean          alsa_element_load            (AlsaElement      *element);
+
+G_END_DECLS
+
+#endif /* ALSA_ELEMENT_H */