Add ALSA, improve OSS and remove OSS4

1 files changed, 53 insertions, 0 deletions

diff --git a/backends/alsa/alsa-element.c b/backends/alsa/alsa-element.c
new file mode 100644
index 0000000..f925064
--- /dev/null
+++ b/backends/alsa/alsa-element.c
@@ -0,0 +1,53 @@
+/*
+ * 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/>.
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+#include <alsa/asoundlib.h>
+
+#include "alsa-element.h"
+
+G_DEFINE_INTERFACE (AlsaElement, alsa_element, G_TYPE_OBJECT)
+
+static void
+alsa_element_default_init (AlsaElementInterface *iface)
+{
+}
+
+snd_mixer_elem_t *
+alsa_element_get_snd_element (AlsaElement *element)
+{
+    g_return_val_if_fail (ALSA_IS_ELEMENT (element), NULL);
+
+    return ALSA_ELEMENT_GET_INTERFACE (element)->get_snd_element (element);
+}
+
+void
+alsa_element_set_snd_element (AlsaElement *element, snd_mixer_elem_t *el)
+{
+    g_return_if_fail (ALSA_IS_ELEMENT (element));
+
+    ALSA_ELEMENT_GET_INTERFACE (element)->set_snd_element (element, el);
+}
+
+gboolean
+alsa_element_load (AlsaElement *element)
+{
+    g_return_val_if_fail (ALSA_IS_ELEMENT (element), FALSE);
+
+    return ALSA_ELEMENT_GET_INTERFACE (element)->load (element);
+}