1 files changed, 525 insertions, 0 deletions
diff --git a/backends/oss/oss-device.c b/backends/oss/oss-device.c
new file mode 100644
index 0000000..f33ff57
--- /dev/null
+++ b/backends/oss/oss-device.c
@@ -0,0 +1,525 @@
+/*
+ * 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 "oss-common.h"
+#include "oss-device.h"
+#include "oss-stream.h"
+#include "oss-stream-control.h"
+
+#define OSS_DEVICE_ICON "audio-card"
+
+typedef struct
+{
+ gchar *name;
+ gchar *description;
+ MateMixerStreamControlRole role;
+ MateMixerStreamFlags flags;
+} OssDeviceName;
+
+static const OssDeviceName const oss_devices[] = {
+ { "vol", N_("Volume"), MATE_MIXER_STREAM_CONTROL_ROLE_MASTER, MATE_MIXER_STREAM_OUTPUT },
+ { "bass", N_("Bass"), MATE_MIXER_STREAM_CONTROL_ROLE_BASS, MATE_MIXER_STREAM_OUTPUT },
+ { "treble", N_("Treble"), MATE_MIXER_STREAM_CONTROL_ROLE_TREBLE, MATE_MIXER_STREAM_OUTPUT },
+ { "synth", N_("Synth"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_INPUT },
+ { "pcm", N_("PCM"), MATE_MIXER_STREAM_CONTROL_ROLE_PCM, MATE_MIXER_STREAM_OUTPUT },
+ { "speaker", N_("Speaker"), MATE_MIXER_STREAM_CONTROL_ROLE_SPEAKER, MATE_MIXER_STREAM_OUTPUT },
+ { "line", N_("Line-in"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "mic", N_("Microphone"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "cd", N_("CD"), MATE_MIXER_STREAM_CONTROL_ROLE_CD, MATE_MIXER_STREAM_INPUT },
+ /* Recording monitor */
+ { "mix", N_("Mixer"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_OUTPUT },
+ { "pcm2", N_("PCM-2"), MATE_MIXER_STREAM_CONTROL_ROLE_PCM, MATE_MIXER_STREAM_OUTPUT },
+ /* Recording level (master input) */
+ { "rec", N_("Record"), MATE_MIXER_STREAM_CONTROL_ROLE_MASTER, MATE_MIXER_STREAM_INPUT },
+ { "igain", N_("In-gain"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_INPUT },
+ { "ogain", N_("Out-gain"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_OUTPUT },
+ { "line1", N_("Line-1"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "line2", N_("Line-2"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "line3", N_("Line-3"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "dig1", N_("Digital-1"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_NO_FLAGS },
+ { "dig2", N_("Digital-2"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_NO_FLAGS },
+ { "dig3", N_("Digital-3"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_NO_FLAGS },
+ { "phin", N_("Phone-in"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "phout", N_("Phone-out"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_OUTPUT },
+ { "video", N_("Video"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "radio", N_("Radio"), MATE_MIXER_STREAM_CONTROL_ROLE_PORT, MATE_MIXER_STREAM_INPUT },
+ { "monitor", N_("Monitor"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_OUTPUT },
+ { "depth", N_("3D-depth"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_OUTPUT },
+ { "center", N_("3D-center"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_OUTPUT },
+ { "midi", N_("MIDI"), MATE_MIXER_STREAM_CONTROL_ROLE_UNKNOWN, MATE_MIXER_STREAM_INPUT }
+};
+
+struct _OssDevicePrivate
+{
+ gint fd;
+ gchar *path;
+ gchar *name;
+ gchar *description;
+ MateMixerStream *input;
+ MateMixerStream *output;
+};
+
+enum {
+ PROP_0,
+ PROP_NAME,
+ PROP_DESCRIPTION,
+ PROP_ICON,
+ PROP_ACTIVE_PROFILE,
+ PROP_PATH,
+ PROP_FD
+};
+
+static void mate_mixer_device_interface_init (MateMixerDeviceInterface *iface);
+
+static void oss_device_class_init (OssDeviceClass *klass);
+
+static void oss_device_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void oss_device_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+static void oss_device_init (OssDevice *device);
+static void oss_device_finalize (GObject *object);
+
+G_DEFINE_TYPE_WITH_CODE (OssDevice, oss_device, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (MATE_MIXER_TYPE_DEVICE,
+ mate_mixer_device_interface_init))
+
+static const gchar *oss_device_get_name (MateMixerDevice *device);
+static const gchar *oss_device_get_description (MateMixerDevice *device);
+static const gchar *oss_device_get_icon (MateMixerDevice *device);
+
+static gboolean read_mixer_devices (OssDevice *device);
+
+static void
+mate_mixer_device_interface_init (MateMixerDeviceInterface *iface)
+{
+ iface->get_name = oss_device_get_name;
+ iface->get_description = oss_device_get_description;
+ iface->get_icon = oss_device_get_icon;
+}
+
+static void
+oss_device_class_init (OssDeviceClass *klass)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (klass);
+ object_class->finalize = oss_device_finalize;
+ object_class->get_property = oss_device_get_property;
+ object_class->set_property = oss_device_set_property;
+
+ g_object_class_install_property (object_class,
+ PROP_PATH,
+ g_param_spec_string ("path",
+ "Path",
+ "Path to the device",
+ NULL,
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ 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_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 (OssDevicePrivate));
+}
+
+static void
+oss_device_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ OssDevice *device;
+
+ device = OSS_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, OSS_DEVICE_ICON);
+ break;
+ case PROP_ACTIVE_PROFILE:
+ /* Not supported */
+ g_value_set_object (value, NULL);
+ break;
+ case PROP_PATH:
+ g_value_set_string (value, device->priv->path);
+ break;
+ case PROP_FD:
+ g_value_set_int (value, device->priv->fd);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+oss_device_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ OssDevice *device;
+
+ device = OSS_DEVICE (object);
+
+ switch (param_id) {
+ case PROP_PATH:
+ /* Construct-only string */
+ device->priv->path = g_strdup (g_value_get_string (value));
+ break;
+ case PROP_FD:
+ device->priv->fd = dup (g_value_get_int (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+oss_device_init (OssDevice *device)
+{
+ device->priv = G_TYPE_INSTANCE_GET_PRIVATE (device,
+ OSS_TYPE_DEVICE,
+ OssDevicePrivate);
+}
+
+static void
+oss_device_finalize (GObject *object)
+{
+ OssDevice *device;
+
+ device = OSS_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 (oss_device_parent_class)->finalize (object);
+}
+
+OssDevice *
+oss_device_new (const gchar *path, gint fd)
+{
+ OssDevice *device;
+ gchar *basename;
+
+ g_return_val_if_fail (path != NULL, NULL);
+
+ device = g_object_new (OSS_TYPE_DEVICE,
+ "path", path,
+ "fd", fd,
+ NULL);
+
+ basename = g_path_get_basename (path);
+
+ device->priv->name = g_strdup_printf ("oss-%s", basename);
+ g_free (basename);
+
+ return device;
+}
+
+gboolean
+oss_device_read (OssDevice *device)
+{
+ gchar *name;
+ gchar *basename;
+ MateMixerStreamControl *ctl;
+
+ g_return_val_if_fail (OSS_IS_DEVICE (device), FALSE);
+
+ // XXX avoid calling this function repeatedly
+
+ g_debug ("Querying device %s (%s)",
+ device->priv->path,
+ device->priv->description);
+
+ basename = g_path_get_basename (device->priv->path);
+
+ name = g_strdup_printf ("oss-input-%s", basename);
+ device->priv->input = MATE_MIXER_STREAM (oss_stream_new (name,
+ device->priv->description,
+ MATE_MIXER_STREAM_INPUT));
+ g_free (name);
+
+ name = g_strdup_printf ("oss-output-%s", basename);
+ device->priv->output = MATE_MIXER_STREAM (oss_stream_new (name,
+ device->priv->description,
+ MATE_MIXER_STREAM_OUTPUT |
+ MATE_MIXER_STREAM_PORTS_FIXED));
+ g_free (name);
+
+ if (read_mixer_devices (device) == FALSE)
+ return FALSE;
+
+ // XXX prefer active ports as default if there is no default
+
+ ctl = mate_mixer_stream_get_default_control (device->priv->input);
+ if (ctl == NULL) {
+ const GList *list = mate_mixer_stream_list_controls (device->priv->input);
+
+ if (list != NULL) {
+ ctl = MATE_MIXER_STREAM_CONTROL (list->data);
+ oss_stream_set_default_control (OSS_STREAM (device->priv->input),
+ OSS_STREAM_CONTROL (ctl));
+ } else
+ g_clear_object (&device->priv->input);
+ }
+
+ if (ctl != NULL)
+ g_debug ("Default input stream control is %s",
+ mate_mixer_stream_control_get_description (ctl));
+
+ ctl = mate_mixer_stream_get_default_control (device->priv->output);
+ if (ctl == NULL) {
+ const GList *list = mate_mixer_stream_list_controls (device->priv->output);
+
+ if (list != NULL) {
+ ctl = MATE_MIXER_STREAM_CONTROL (list->data);
+ oss_stream_set_default_control (OSS_STREAM (device->priv->output),
+ OSS_STREAM_CONTROL (ctl));
+ } else
+ g_clear_object (&device->priv->output);
+ }
+
+ if (ctl != NULL)
+ g_debug ("Default output stream control is %s",
+ mate_mixer_stream_control_get_description (ctl));
+
+ return TRUE;
+}
+
+const gchar *
+oss_device_get_path (OssDevice *odevice)
+{
+ g_return_val_if_fail (OSS_IS_DEVICE (odevice), FALSE);
+
+ return odevice->priv->path;
+}
+
+MateMixerStream *
+oss_device_get_input_stream (OssDevice *odevice)
+{
+ g_return_val_if_fail (OSS_IS_DEVICE (odevice), FALSE);
+
+ return odevice->priv->input;
+}
+
+MateMixerStream *
+oss_device_get_output_stream (OssDevice *odevice)
+{
+ g_return_val_if_fail (OSS_IS_DEVICE (odevice), FALSE);
+
+ return odevice->priv->output;
+}
+
+gboolean
+oss_device_set_description (OssDevice *odevice, const gchar *description)
+{
+ g_return_val_if_fail (OSS_IS_DEVICE (odevice), FALSE);
+
+ if (g_strcmp0 (odevice->priv->description, description) != 0) {
+ g_free (odevice->priv->description);
+
+ odevice->priv->description = g_strdup (description);
+
+ g_object_notify (G_OBJECT (odevice), "description");
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static gboolean
+read_mixer_devices (OssDevice *device)
+{
+ gint devmask,
+ stereomask,
+ recmask;
+ gint ret;
+ gint i;
+ OssStreamControl *ctl;
+
+ ret = ioctl (device->priv->fd, MIXER_READ (SOUND_MIXER_DEVMASK), &devmask);
+ if (ret < 0)
+ goto fail;
+ ret = ioctl (device->priv->fd, MIXER_READ (SOUND_MIXER_STEREODEVS), &stereomask);
+ if (ret < 0)
+ goto fail;
+ ret = ioctl (device->priv->fd, MIXER_READ (SOUND_MIXER_RECMASK), &recmask);
+ if (ret < 0)
+ goto fail;
+
+ for (i = 0; i < MIN (G_N_ELEMENTS (oss_devices), SOUND_MIXER_NRDEVICES); i++) {
+ gboolean stereo;
+ gboolean input = FALSE;
+ MateMixerPort *port = NULL;
+
+ /* Skip unavailable controls */
+ if ((devmask & (1 << i)) == 0)
+ continue;
+
+ if ((stereomask & (1 << i)) > 0)
+ stereo = TRUE;
+ else
+ stereo = FALSE;
+
+ if (oss_devices[i].flags == MATE_MIXER_STREAM_NO_FLAGS) {
+ if ((recmask & (1 << i)) > 0)
+ input = TRUE;
+ }
+ if (oss_devices[i].flags == MATE_MIXER_STREAM_INPUT) {
+ if ((recmask & (1 << i)) == 0) {
+ g_debug ("Skipping non-input device %s", oss_devices[i].name);
+ continue;
+ }
+ input = TRUE;
+ }
+
+ ctl = oss_stream_control_new (device->priv->fd,
+ i,
+ oss_devices[i].name,
+ oss_devices[i].description,
+ stereo);
+
+ if (oss_devices[i].role == MATE_MIXER_STREAM_CONTROL_ROLE_PORT)
+ port = _mate_mixer_port_new (oss_devices[i].name,
+ oss_devices[i].description,
+ NULL,
+ 0,
+ 0);
+
+ if (input == TRUE) {
+ oss_stream_add_control (OSS_STREAM (device->priv->input), ctl);
+
+ if (i == SOUND_MIXER_RECLEV || i == SOUND_MIXER_IGAIN) {
+ if (i == SOUND_MIXER_RECLEV) {
+ oss_stream_set_default_control (OSS_STREAM (device->priv->input), ctl);
+ } else {
+ MateMixerStreamControl *defctl;
+
+ defctl = mate_mixer_stream_get_default_control (device->priv->input);
+ if (defctl == NULL)
+ oss_stream_set_default_control (OSS_STREAM (device->priv->input), ctl);
+ }
+ }
+
+ if (port != NULL)
+ oss_stream_add_port (OSS_STREAM (device->priv->input), port);
+ } else {
+ oss_stream_add_control (OSS_STREAM (device->priv->output), ctl);
+
+ if (i == SOUND_MIXER_VOLUME) {
+ oss_stream_set_default_control (OSS_STREAM (device->priv->output), ctl);
+ }
+ else if (i == SOUND_MIXER_PCM) {
+ MateMixerStreamControl *defctl;
+
+ defctl = mate_mixer_stream_get_default_control (device->priv->output);
+ if (defctl == NULL)
+ oss_stream_set_default_control (OSS_STREAM (device->priv->output), ctl);
+ }
+
+ if (port != NULL)
+ oss_stream_add_port (OSS_STREAM (device->priv->output), port);
+ }
+
+ if (port != NULL)
+ oss_stream_control_set_port (ctl, port);
+
+ oss_stream_control_set_role (ctl, oss_devices[i].role);
+
+ g_debug ("Added control %s",
+ mate_mixer_stream_control_get_description (MATE_MIXER_STREAM_CONTROL (ctl)));
+
+ oss_stream_control_update (ctl);
+ }
+ return TRUE;
+
+fail:
+ g_warning ("Failed to read device %s: %s",
+ device->priv->path,
+ g_strerror (errno));
+
+ return FALSE;
+}
+
+static const gchar *
+oss_device_get_name (MateMixerDevice *device)
+{
+ g_return_val_if_fail (OSS_IS_DEVICE (device), NULL);
+
+ return OSS_DEVICE (device)->priv->name;
+}
+
+static const gchar *
+oss_device_get_description (MateMixerDevice *device)
+{
+ g_return_val_if_fail (OSS_IS_DEVICE (device), NULL);
+
+ return OSS_DEVICE (device)->priv->description;
+}
+
+static const gchar *
+oss_device_get_icon (MateMixerDevice *device)
+{
+ g_return_val_if_fail (OSS_IS_DEVICE (device), NULL);
+
+ return OSS_DEVICE_ICON;
+}