Add ALSA, improve OSS and remove OSS4

6 files changed, 0 insertions, 1016 deletions

diff --git a/backends/oss4/Makefile.am b/backends/oss4/Makefile.am
deleted file mode 100644
index cca8723..0000000
--- a/backends/oss4/Makefile.am
+++ /dev/null
@@ -1,29 +0,0 @@
-backenddir = $(libdir)/libmatemixer
-
-backend_LTLIBRARIES = libmatemixer-oss4.la
-
-AM_CPPFLAGS =                                                   \
-        -I$(top_srcdir)                                         \
-        -DG_LOG_DOMAIN=\"libmatemixer-oss4\"
-
-libmatemixer_oss4_la_CFLAGS =                                   \
-        $(GLIB_CFLAGS)                                          \
-        $(OSS4_CFLAGS)
-
-libmatemixer_oss4_la_SOURCES =                                  \
-        oss4-common.h                                           \
-        oss4-backend.c                                          \
-        oss4-backend.h                                          \
-        oss4-device.c                                           \
-        oss4-device.h
-
-libmatemixer_oss4_la_LIBADD =                                   \
-        $(GLIB_LIBS)
-
-libmatemixer_oss4_la_LDFLAGS =                                  \
-        -avoid-version                                          \
-        -no-undefined                                           \
-        -export-dynamic                                         \
-        -module
-
--include $(top_srcdir)/git.mk
diff --git a/backends/oss4/oss4-backend.c b/backends/oss4/oss4-backend.c
deleted file mode 100644
index bd79fdf..0000000
--- a/backends/oss4/oss4-backend.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/*
- * 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 <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <glib.h>
-#include <glib-object.h>
-#include <glib/gstdio.h>
-#include <glib/gprintf.h>
-#include <glib/gi18n.h>
-#include <gio/gio.h>
-
-#include <libmatemixer/matemixer-backend.h>
-#include <libmatemixer/matemixer-backend-module.h>
-#include <libmatemixer/matemixer-enums.h>
-#include <libmatemixer/matemixer-stream.h>
-
-#include "oss4-backend.h"
-#include "oss4-common.h"
-#include "oss4-device.h"
-
-#define BACKEND_NAME      "OSS4"
-#define BACKEND_PRIORITY  8
-
-#define PATH_SNDSTAT      "/dev/sndstat"
-
-struct _Oss4BackendPrivate
-{
-    gint fd;
-    gchar           *sndstat;
-    GHashTable      *devices;
-    GHashTable      *streams;
-    MateMixerStream *default_input;
-    MateMixerStream *default_output;
-    MateMixerState   state;
-};
-
-enum {
-    PROP_0,
-    PROP_STATE,
-    PROP_DEFAULT_INPUT,
-    PROP_DEFAULT_OUTPUT
-};
-
-static void mate_mixer_backend_interface_init (MateMixerBackendInterface *iface);
-
-static void oss4_backend_class_init     (Oss4BackendClass *klass);
-static void oss4_backend_class_finalize (Oss4BackendClass *klass);
-
-static void oss4_backend_get_property   (GObject         *object,
-                                         guint            param_id,
-                                         GValue          *value,
-                                         GParamSpec      *pspec);
-
-static void oss4_backend_init           (Oss4Backend     *oss);
-static void oss4_backend_dispose        (GObject         *object);
-static void oss4_backend_finalize       (GObject         *object);
-
-G_DEFINE_DYNAMIC_TYPE_EXTENDED (Oss4Backend, oss4_backend,
-                                G_TYPE_OBJECT, 0,
-                                G_IMPLEMENT_INTERFACE_DYNAMIC (MATE_MIXER_TYPE_BACKEND,
-                                                               mate_mixer_backend_interface_init))
-
-static gboolean oss4_backend_open         (MateMixerBackend  *backend);
-static void     oss4_backend_close        (MateMixerBackend  *backend);
-static GList *  oss4_backend_list_devices (MateMixerBackend  *backend);
-static GList *  oss4_backend_list_streams (MateMixerBackend  *backend);
-
-static void     change_state                    (Oss4Backend       *oss,
-                                                 MateMixerState     state);
-
-static gboolean read_device (Oss4Backend *oss, gint index);
-
-static gchar *  read_device_sndstat_description (Oss4Backend *oss,
-                                                 const gchar *prefix);
-
-static void     add_device      (Oss4Backend *oss, Oss4Device *device);
-static void     remove_device   (Oss4Backend *oss, Oss4Device *device);
-
-static MateMixerBackendInfo info;
-
-void
-backend_module_init (GTypeModule *module)
-{
-    oss4_backend_register_type (module);
-
-    info.name         = BACKEND_NAME;
-    info.priority     = BACKEND_PRIORITY;
-    info.g_type       = OSS4_TYPE_BACKEND;
-    info.backend_type = MATE_MIXER_BACKEND_OSS4;
-}
-
-const MateMixerBackendInfo *backend_module_get_info (void)
-{
-    return &info;
-}
-
-static void
-mate_mixer_backend_interface_init (MateMixerBackendInterface *iface)
-{
-    iface->open         = oss4_backend_open;
-    iface->close        = oss4_backend_close;
-    iface->list_devices = oss4_backend_list_devices;
-    iface->list_streams = oss4_backend_list_streams;
-}
-
-static void
-oss4_backend_class_init (Oss4BackendClass *klass)
-{
-    GObjectClass *object_class;
-
-    object_class = G_OBJECT_CLASS (klass);
-    object_class->dispose      = oss4_backend_dispose;
-    object_class->finalize     = oss4_backend_finalize;
-    object_class->get_property = oss4_backend_get_property;
-
-    g_object_class_override_property (object_class, PROP_STATE, "state");
-    g_object_class_override_property (object_class, PROP_DEFAULT_INPUT, "default-input");
-    g_object_class_override_property (object_class, PROP_DEFAULT_OUTPUT, "default-output");
-
-    g_type_class_add_private (object_class, sizeof (Oss4BackendPrivate));
-}
-
-/* Called in the code generated by G_DEFINE_DYNAMIC_TYPE_EXTENDED() */
-static void
-oss4_backend_class_finalize (Oss4BackendClass *klass)
-{
-}
-
-static void
-oss4_backend_get_property (GObject    *object,
-                           guint       param_id,
-                           GValue     *value,
-                           GParamSpec *pspec)
-{
-    Oss4Backend *oss;
-
-    oss = OSS4_BACKEND (object);
-
-    switch (param_id) {
-    case PROP_STATE:
-        g_value_set_enum (value, oss->priv->state);
-        break;
-    case PROP_DEFAULT_INPUT:
-        g_value_set_object (value, oss->priv->default_input);
-        break;
-    case PROP_DEFAULT_OUTPUT:
-        g_value_set_object (value, oss->priv->default_output);
-        break;
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
-        break;
-    }
-}
-
-static void
-oss4_backend_init (Oss4Backend *oss)
-{
-    oss->priv = G_TYPE_INSTANCE_GET_PRIVATE (oss,
-                                             OSS4_TYPE_BACKEND,
-                                             Oss4BackendPrivate);
-
-    oss->priv->devices = g_hash_table_new_full (g_direct_hash,
-                                                g_direct_equal,
-                                                NULL,
-                                                g_object_unref);
-
-    oss->priv->streams = g_hash_table_new_full (g_str_hash,
-                                                g_str_equal,
-                                                g_free,
-                                                g_object_unref);
-}
-
-static void
-oss4_backend_dispose (GObject *object)
-{
-    oss4_backend_close (MATE_MIXER_BACKEND (object));
-}
-
-static void
-oss4_backend_finalize (GObject *object)
-{
-    Oss4Backend *oss;
-
-    oss = OSS4_BACKEND (object);
-
-    g_hash_table_destroy (oss->priv->devices);
-    g_hash_table_destroy (oss->priv->streams);
-}
-
-static gboolean
-oss4_backend_open (MateMixerBackend *backend)
-{
-    Oss4Backend       *oss;
-    gint               fd;
-    gint               i;
-    gint               ret;
-    struct oss_sysinfo info;
-
-    g_return_val_if_fail (OSS4_IS_BACKEND (backend), FALSE);
-
-    oss = OSS4_BACKEND (backend);
-
-    fd = g_open ("/dev/mixer", O_RDONLY, 0);
-    if (fd == -1)
-        fd = g_open ("/dev/mixer0", O_RDONLY, 0);
-    if (fd == -1) {
-        change_state (oss, MATE_MIXER_STATE_FAILED);
-        return FALSE;
-    }
-
-    /* Query the number of mixer devices */
-    ret = ioctl (fd, OSS_SYSINFO, &info);
-    if (ret == -1) {
-        close (fd);
-        change_state (oss, MATE_MIXER_STATE_FAILED);
-        return FALSE;
-    }
-
-    g_debug ("The sound system is %s version %s",
-             info.product,
-             info.version);
-
-#if !defined(__linux__)
-    /* At least on systems based on FreeBSD we will need to read devices names
-     * from the sndstat file, but avoid even trying that on systems where this
-     * is not needed and the file is not present */
-    oss->priv->sndstat = PATH_SNDSTAT;
-#endif
-
-    oss->priv->fd = fd;
-
-    for (i = 0; i < info.nummixers; i++)
-        read_device (oss, i);
-
-    change_state (oss, MATE_MIXER_STATE_READY);
-    return TRUE;
-}
-
-void
-oss4_backend_close (MateMixerBackend *backend)
-{
-    Oss4Backend *oss;
-
-    g_return_if_fail (OSS4_IS_BACKEND (backend));
-
-    oss = OSS4_BACKEND (backend);
-
-    g_clear_object (&oss->priv->default_input);
-    g_clear_object (&oss->priv->default_output);
-
-    g_hash_table_remove_all (oss->priv->streams);
-    g_hash_table_remove_all (oss->priv->devices);
-}
-
-static GList *
-oss4_backend_list_devices (MateMixerBackend *backend)
-{
-    GList *list;
-
-    g_return_val_if_fail (OSS4_IS_BACKEND (backend), NULL);
-
-    /* Convert the hash table to a sorted linked list, this list is expected
-     * to be cached in the main library */
-    list = g_hash_table_get_values (OSS4_BACKEND (backend)->priv->devices);
-    if (list != NULL) {
-        g_list_foreach (list, (GFunc) g_object_ref, NULL);
-
-        return list;
-    }
-    return NULL;
-}
-
-static GList *
-oss4_backend_list_streams (MateMixerBackend *backend)
-{
-    GList *list;
-
-    g_return_val_if_fail (OSS4_IS_BACKEND (backend), NULL);
-
-    /* Convert the hash table to a sorted linked list, this list is expected
-     * to be cached in the main library */
-    list = g_hash_table_get_values (OSS4_BACKEND (backend)->priv->streams);
-    if (list != NULL) {
-        g_list_foreach (list, (GFunc) g_object_ref, NULL);
-
-        return list;
-    }
-    return NULL;
-}
-
-static void
-change_state (Oss4Backend *oss, MateMixerState state)
-{
-    if (oss->priv->state == state)
-        return;
-
-    oss->priv->state = state;
-
-    g_object_notify (G_OBJECT (oss), "state");
-}
-
-static gboolean
-read_device (Oss4Backend *oss, gint index)
-{
-    Oss4Device          *device;
-    gboolean             ret;
-    gchar               *description = NULL;
-    struct oss_mixerinfo info;
-
-    /* We assume that the name and capabilities of a device do not change */
-    device = g_hash_table_lookup (oss->priv->devices, GINT_TO_POINTER (index));
-    if (G_UNLIKELY (device != NULL)) {
-        g_debug ("Attempt to re-read already know device with index %d", index);
-        return TRUE;
-    }
-
-    info.dev = index;
-    ret = ioctl (oss->priv->fd, SNDCTL_MIXERINFO, &info);
-    if (ret == -1) {
-        g_debug ("Failed to read mixer info: %s", g_strerror (errno));
-        return FALSE;
-    }
-
-    if (info.enabled == 0)
-        return TRUE;
-
-    /* Use the id as the device name and try to figure out the name of the
-     * sound card from the sndstat file if it is available, otherwise use
-     * the name from the mixer info */
-    if (oss->priv->sndstat != NULL &&
-        g_str_has_prefix (info.name, "pcm") == TRUE)
-        description = read_device_sndstat_description (oss, info.name);
-
-    if (description == NULL)
-        description = g_strdup (info.name);
-
-    device = oss4_device_new (info.id, description, oss->priv->fd, index);
-
-    ret = oss4_device_read (device);
-    if (ret == TRUE)
-        add_device (oss, device);
-
-    g_object_unref (device);
-    g_free (description);
-
-    return ret;
-}
-
-static gchar *
-read_device_sndstat_description (Oss4Backend *oss, const gchar *prefix)
-{
-    FILE  *fp;
-    gchar  line[256];
-    gchar *description = NULL;
-
-    g_debug ("reading prefix %s", prefix);
-
-    fp = fopen (oss->priv->sndstat, "r");
-    if (fp == NULL) {
-        g_warning ("Failed to read %s: %s", oss->priv->sndstat, g_strerror (errno));
-        return FALSE;
-    }
-
-    while (fgets (line, sizeof (line), fp) != NULL) {
-        gchar *p;
-
-        if (g_str_has_prefix (line, prefix) == FALSE)
-            continue;
-
-        /* Example line:
-         * pcm0: <ATI R6xx (HDMI)> (play) default */
-        p = strchr (line, '<');
-        if (p != NULL && *p && *(++p)) {
-            gchar *end = strchr (p, '>');
-
-            if (end != NULL)
-                description = g_strndup (p, end - p);
-        }
-
-        // XXX we can also read "default" at the end of the line
-        // XXX http://ashish.is.lostca.se/2011/05/23/default-sound-device-in-freebsd/
-        if (g_str_has_suffix (line, "default") ||
-            g_str_has_suffix (line, "default)"))
-            ;
-
-        if (description != NULL)
-            break;
-    }
-
-    fclose (fp);
-    return description;
-}
-
-static void
-add_device (Oss4Backend *oss, Oss4Device *device)
-{
-    MateMixerStream *stream;
-
-    /* Add device, file path is used as the key rather than the name, because
-     * the name is not known until an OssDevice instance is created */
-    g_hash_table_insert (oss->priv->devices,
-                         GINT_TO_POINTER (oss4_device_get_index (device)),
-                         g_object_ref (device));
-
-    g_signal_emit_by_name (G_OBJECT (oss),
-                           "device-added",
-                           mate_mixer_device_get_name (MATE_MIXER_DEVICE (device)));
-
-    /* Add streams if they exist */
-    stream = oss4_device_get_input_stream (device);
-    if (stream != NULL) {
-        g_hash_table_insert (oss->priv->streams,
-                             g_strdup (mate_mixer_stream_get_name (stream)),
-                             g_object_ref (stream));
-
-        g_signal_emit_by_name (G_OBJECT (oss),
-                               "stream-added",
-                               mate_mixer_stream_get_name (stream));
-    }
-
-    stream = oss4_device_get_output_stream (device);
-    if (stream != NULL) {
-        g_hash_table_insert (oss->priv->streams,
-                             g_strdup (mate_mixer_stream_get_name (stream)),
-                             g_object_ref (stream));
-
-        g_signal_emit_by_name (G_OBJECT (oss),
-                               "stream-added",
-                               mate_mixer_stream_get_name (stream));
-    }
-}
-
-static void
-remove_device (Oss4Backend *oss, Oss4Device *device)
-{
-    MateMixerStream *stream;
-
-    /* Remove the device streams first as they are a part of the device */
-    stream = oss4_device_get_input_stream (device);
-    if (stream != NULL) {
-        const gchar *name = mate_mixer_stream_get_name (stream);
-
-        g_hash_table_remove (oss->priv->streams, name);
-        g_signal_emit_by_name (G_OBJECT (oss),
-                               "stream-removed",
-                               name);
-    }
-
-    stream = oss4_device_get_output_stream (device);
-    if (stream != NULL) {
-        const gchar *name = mate_mixer_stream_get_name (stream);
-
-        g_hash_table_remove (oss->priv->streams, stream);
-        g_signal_emit_by_name (G_OBJECT (oss),
-                               "stream-removed",
-                               name);
-    }
-
-    /* Remove the device */
-    g_object_ref (device);
-
-    g_hash_table_remove (oss->priv->devices,
-                         GINT_TO_POINTER (oss4_device_get_index (device)));
-
-    g_signal_emit_by_name (G_OBJECT (oss),
-                           "device-removed",
-                           mate_mixer_device_get_name (MATE_MIXER_DEVICE (device)));
-
-    g_object_unref (device);
-}
diff --git a/backends/oss4/oss4-backend.h b/backends/oss4/oss4-backend.h
deleted file mode 100644
index bc89e72..0000000
--- a/backends/oss4/oss4-backend.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * 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 OSS4_BACKEND_H
-#define OSS4_BACKEND_H
-
-#include <glib.h>
-#include <glib-object.h>
-
-#include <libmatemixer/matemixer-backend-module.h>
-
-#define OSS4_TYPE_BACKEND                       \
-        (oss4_backend_get_type ())
-#define OSS4_BACKEND(o)                         \
-        (G_TYPE_CHECK_INSTANCE_CAST ((o), OSS4_TYPE_BACKEND, Oss4Backend))
-#define OSS4_IS_BACKEND(o)                      \
-        (G_TYPE_CHECK_INSTANCE_TYPE ((o), OSS4_TYPE_BACKEND))
-#define OSS4_BACKEND_CLASS(k)                   \
-        (G_TYPE_CHECK_CLASS_CAST ((k), OSS4_TYPE_BACKEND, Oss4BackendClass))
-#define OSS4_IS_BACKEND_CLASS(k)                \
-        (G_TYPE_CHECK_CLASS_TYPE ((k), OSS4_TYPE_BACKEND))
-#define OSS4_BACKEND_GET_CLASS(o)               \
-        (G_TYPE_INSTANCE_GET_CLASS ((o), OSS4_TYPE_BACKEND, Oss4BackendClass))
-
-typedef struct _Oss4Backend         Oss4Backend;
-typedef struct _Oss4BackendClass    Oss4BackendClass;
-typedef struct _Oss4BackendPrivate  Oss4BackendPrivate;
-
-struct _Oss4Backend
-{
-    GObject parent;
-
-    /*< private >*/
-    Oss4BackendPrivate *priv;
-};
-
-struct _Oss4BackendClass
-{
-    GObjectClass parent_class;
-};
-
-GType                       oss4_backend_get_type   (void) G_GNUC_CONST;
-
-/* Support function for dynamic loading of the backend module */
-void                        backend_module_init     (GTypeModule *module);
-const MateMixerBackendInfo *backend_module_get_info (void);
-
-#endif /* OSS4_BACKEND_H */
diff --git a/backends/oss4/oss4-common.h b/backends/oss4/oss4-common.h
deleted file mode 100644
index fe55b2b..0000000
--- a/backends/oss4/oss4-common.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * 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 OSS4_COMMON_H
-#define OSS4_COMMON_H
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-
-#ifdef HAVE_SYS_SOUNDCARD_H
-#  include <sys/soundcard.h>
-#elif HAVE_SOUNDCARD_H
-#  include <soundcard.h>
-#elif HAVE_MACHINE_SOUNDCARD_H
-#  include <machine/soundcard.h>
-#else
-#  error "No OSS4 header file present"
-#endif
-
-#endif /* OSS4_COMMON_H */
diff --git a/backends/oss4/oss4-device.c b/backends/oss4/oss4-device.c
deleted file mode 100644
index b68648b..0000000
--- a/backends/oss4/oss4-device.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * 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 <errno.h>
-#include <unistd.h>
-#include <glib.h>
-#include <glib/gi18n.h>
-#include <glib/gstdio.h>
-#include <glib-object.h>
-
-#include <libmatemixer/matemixer-device.h>
-#include <libmatemixer/matemixer-enums.h>
-#include <libmatemixer/matemixer-port.h>
-#include <libmatemixer/matemixer-port-private.h>
-#include <libmatemixer/matemixer-stream.h>
-#include <libmatemixer/matemixer-stream-control.h>
-
-#include "oss4-common.h"
-#include "oss4-device.h"
-
-#define OSS4_DEVICE_ICON "audio-card"
-
-struct _Oss4DevicePrivate
-{
-    gint             fd;
-    gint             index;
-    gchar           *name;
-    gchar           *description;
-    gchar           *icon;
-    MateMixerStream *input;
-    MateMixerStream *output;
-};
-
-enum {
-    PROP_0,
-    PROP_NAME,
-    PROP_DESCRIPTION,
-    PROP_ICON,
-    PROP_ACTIVE_PROFILE,
-    PROP_FD,
-    PROP_INDEX
-};
-
-static void mate_mixer_device_interface_init (MateMixerDeviceInterface *iface);
-
-static void oss4_device_class_init   (Oss4DeviceClass *klass);
-
-static void oss4_device_get_property (GObject        *object,
-                                      guint           param_id,
-                                      GValue         *value,
-                                      GParamSpec     *pspec);
-static void oss4_device_set_property (GObject        *object,
-                                      guint           param_id,
-                                      const GValue   *value,
-                                      GParamSpec     *pspec);
-
-static void oss4_device_init         (Oss4Device     *device);
-static void oss4_device_finalize     (GObject        *object);
-
-G_DEFINE_TYPE_WITH_CODE (Oss4Device, oss4_device, G_TYPE_OBJECT,
-                         G_IMPLEMENT_INTERFACE (MATE_MIXER_TYPE_DEVICE,
-                                                mate_mixer_device_interface_init))
-
-static const gchar *oss4_device_get_name        (MateMixerDevice *device);
-static const gchar *oss4_device_get_description (MateMixerDevice *device);
-static const gchar *oss4_device_get_icon        (MateMixerDevice *device);
-
-static gboolean     read_mixer_devices          (Oss4Device      *device);
-
-static void
-mate_mixer_device_interface_init (MateMixerDeviceInterface *iface)
-{
-    iface->get_name        = oss4_device_get_name;
-    iface->get_description = oss4_device_get_description;
-    iface->get_icon        = oss4_device_get_icon;
-}
-
-static void
-oss4_device_class_init (Oss4DeviceClass *klass)
-{
-    GObjectClass *object_class;
-
-    object_class = G_OBJECT_CLASS (klass);
-    object_class->finalize     = oss4_device_finalize;
-    object_class->get_property = oss4_device_get_property;
-    object_class->set_property = oss4_device_set_property;
-
-    g_object_class_install_property (object_class,
-                                     PROP_FD,
-                                     g_param_spec_int ("fd",
-                                                       "File descriptor",
-                                                       "File descriptor of the device",
-                                                       G_MININT,
-                                                       G_MAXINT,
-                                                       -1,
-                                                       G_PARAM_CONSTRUCT_ONLY |
-                                                       G_PARAM_READWRITE |
-                                                       G_PARAM_STATIC_STRINGS));
-
-    g_object_class_install_property (object_class,
-                                     PROP_INDEX,
-                                     g_param_spec_int ("index",
-                                                       "Index",
-                                                       "Index of the device",
-                                                       G_MININT,
-                                                       G_MAXINT,
-                                                       0,
-                                                       G_PARAM_CONSTRUCT_ONLY |
-                                                       G_PARAM_READWRITE |
-                                                       G_PARAM_STATIC_STRINGS));
-
-    g_object_class_override_property (object_class, PROP_NAME, "name");
-    g_object_class_override_property (object_class, PROP_DESCRIPTION, "description");
-    g_object_class_override_property (object_class, PROP_ICON, "icon");
-    g_object_class_override_property (object_class, PROP_ACTIVE_PROFILE, "active-profile");
-
-    g_type_class_add_private (object_class, sizeof (Oss4DevicePrivate));
-}
-
-static void
-oss4_device_get_property (GObject    *object,
-                         guint       param_id,
-                         GValue     *value,
-                         GParamSpec *pspec)
-{
-    Oss4Device *device;
-
-    device = OSS4_DEVICE (object);
-
-    switch (param_id) {
-    case PROP_NAME:
-        g_value_set_string (value, device->priv->name);
-        break;
-    case PROP_DESCRIPTION:
-        g_value_set_string (value, device->priv->description);
-        break;
-    case PROP_ICON:
-        g_value_set_string (value, OSS4_DEVICE_ICON);
-        break;
-    case PROP_ACTIVE_PROFILE:
-        /* Not supported */
-        g_value_set_object (value, NULL);
-        break;
-    case PROP_FD:
-        g_value_set_int (value, device->priv->fd);
-        break;
-    case PROP_INDEX:
-        g_value_set_int (value, device->priv->index);
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
-        break;
-    }
-}
-
-static void
-oss4_device_set_property (GObject      *object,
-                         guint         param_id,
-                         const GValue *value,
-                         GParamSpec   *pspec)
-{
-    Oss4Device *device;
-
-    device = OSS4_DEVICE (object);
-
-    switch (param_id) {
-    case PROP_NAME:
-        /* Construct-only string */
-        device->priv->name = g_strdup (g_value_get_string (value));
-        break;
-    case PROP_DESCRIPTION:
-        /* Construct-only string */
-        device->priv->description = g_strdup (g_value_get_string (value));
-        break;
-    case PROP_ICON:
-        /* Construct-only string */
-        device->priv->icon = g_strdup (g_value_get_string (value));
-        break;
-    case PROP_FD:
-        device->priv->fd = dup (g_value_get_int (value));
-        break;
-    case PROP_INDEX:
-        device->priv->index = g_value_get_int (value);
-        break;
-    default:
-        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
-        break;
-    }
-}
-
-static void
-oss4_device_init (Oss4Device *device)
-{
-    device->priv = G_TYPE_INSTANCE_GET_PRIVATE (device,
-                                                OSS4_TYPE_DEVICE,
-                                                Oss4DevicePrivate);
-}
-
-static void
-oss4_device_finalize (GObject *object)
-{
-    Oss4Device *device;
-
-    device = OSS4_DEVICE (object);
-
-    g_free (device->priv->name);
-    g_free (device->priv->description);
-
-    if (device->priv->fd != -1)
-        g_close (device->priv->fd, NULL);
-
-    G_OBJECT_CLASS (oss4_device_parent_class)->finalize (object);
-}
-
-Oss4Device *
-oss4_device_new (const gchar *name,
-                 const gchar *description,
-                 gint         fd,
-                 gint         index)
-{
-    Oss4Device *device;
-
-    device = g_object_new (OSS4_TYPE_DEVICE,
-                           "name", name,
-                           "description", description,
-                           "fd", fd,
-                           "index", index,
-                           NULL);
-
-    return device;
-}
-
-gboolean
-oss4_device_read (Oss4Device *odevice)
-{
-    gint exts;
-    gint ret;
-    gint i;
-
-    ret = ioctl (odevice->priv->fd, SNDCTL_MIX_NREXT, &exts);
-    if (ret == -1)
-        return FALSE;
-
-    for (i = 0; i < exts; i++) {
-        oss_mixext ext;
-
-        ext.dev  = odevice->priv->index;
-        ext.ctrl = i;
-        ret = ioctl (odevice->priv->fd, SNDCTL_MIX_EXTINFO, &ext);
-        if (ret == -1)
-            continue;
-
-        g_debug ("Mixer control %d type %d\n"
-                 " min %d max %d\n"
-                 " id %s\n"
-                 " extname %s",
-                 i,ext.type, ext.minvalue, ext.maxvalue, ext.id, ext.extname);
-    }
-
-    return TRUE;
-}
-
-gint
-oss4_device_get_index (Oss4Device *odevice)
-{
-    g_return_val_if_fail (OSS4_IS_DEVICE (odevice), FALSE);
-
-    return odevice->priv->index;
-}
-
-MateMixerStream *
-oss4_device_get_input_stream (Oss4Device *odevice)
-{
-    g_return_val_if_fail (OSS4_IS_DEVICE (odevice), FALSE);
-
-    return odevice->priv->input;
-}
-
-MateMixerStream *
-oss4_device_get_output_stream (Oss4Device *odevice)
-{
-    g_return_val_if_fail (OSS4_IS_DEVICE (odevice), FALSE);
-
-    return odevice->priv->output;
-}
-
-static gboolean
-read_mixer_devices (Oss4Device *device)
-{
-}
-
-static const gchar *
-oss4_device_get_name (MateMixerDevice *device)
-{
-    g_return_val_if_fail (OSS4_IS_DEVICE (device), NULL);
-
-    return OSS4_DEVICE (device)->priv->name;
-}
-
-static const gchar *
-oss4_device_get_description (MateMixerDevice *device)
-{
-    g_return_val_if_fail (OSS4_IS_DEVICE (device), NULL);
-
-    return OSS4_DEVICE (device)->priv->description;
-}
-
-static const gchar *
-oss4_device_get_icon (MateMixerDevice *device)
-{
-    g_return_val_if_fail (OSS4_IS_DEVICE (device), NULL);
-
-    return OSS4_DEVICE_ICON;
-}
diff --git a/backends/oss4/oss4-device.h b/backends/oss4/oss4-device.h
deleted file mode 100644
index 3ec72e7..0000000
--- a/backends/oss4/oss4-device.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * 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 OSS4_DEVICE_H
-#define OSS4_DEVICE_H
-
-#include <glib.h>
-#include <glib-object.h>
-
-G_BEGIN_DECLS
-
-#define OSS4_TYPE_DEVICE                        \
-        (oss4_device_get_type ())
-#define OSS4_DEVICE(o)                          \
-        (G_TYPE_CHECK_INSTANCE_CAST ((o), OSS4_TYPE_DEVICE, Oss4Device))
-#define OSS4_IS_DEVICE(o)                       \
-        (G_TYPE_CHECK_INSTANCE_TYPE ((o), OSS4_TYPE_DEVICE))
-#define OSS4_DEVICE_CLASS(k)                    \
-        (G_TYPE_CHECK_CLASS_CAST ((k), OSS4_TYPE_DEVICE, Oss4DeviceClass))
-#define OSS4_IS_DEVICE_CLASS(k)                 \
-        (G_TYPE_CHECK_CLASS_TYPE ((k), OSS4_TYPE_DEVICE))
-#define OSS4_DEVICE_GET_CLASS(o)                \
-        (G_TYPE_INSTANCE_GET_CLASS ((o), OSS4_TYPE_DEVICE, Oss4DeviceClass))
-
-typedef struct _Oss4Device         Oss4Device;
-typedef struct _Oss4DeviceClass    Oss4DeviceClass;
-typedef struct _Oss4DevicePrivate  Oss4DevicePrivate;
-
-struct _Oss4Device
-{
-    GObject parent;
-
-    /*< private >*/
-    Oss4DevicePrivate *priv;
-};
-
-struct _Oss4DeviceClass
-{
-    GObjectClass parent;
-};
-
-GType            oss4_device_get_type          (void) G_GNUC_CONST;
-
-Oss4Device *     oss4_device_new (const gchar *name,
-                                  const gchar *description,
-                                  gint         fd,
-                                  gint         index);
-
-gboolean         oss4_device_read              (Oss4Device   *device);
-
-gint             oss4_device_get_index         (Oss4Device *odevice);
-
-MateMixerStream *oss4_device_get_input_stream  (Oss4Device   *odevice);
-MateMixerStream *oss4_device_get_output_stream (Oss4Device   *odevice);
-
-G_END_DECLS
-
-#endif /* OSS_DEVICE_H */