Merge branch 'master' into proxy-refactoring

modules/module-mixer.c

@@ -68,7 +68,7 @@ group_find_backend (struct group *group, WpCore *core)
   /* find the backend */
   g_variant_dict_init (&d, NULL);
   g_variant_dict_insert (&d, "action", "s", "mixer");
-  g_variant_dict_insert (&d, "media.class", "s", "Audio/Sink");
+  g_variant_dict_insert (&d, "media.class", "s", "Alsa/Sink");
   g_variant_dict_insert (&d, "media.role", "s", group->name);
 
   backend = wp_policy_find_endpoint (core, g_variant_dict_end (&d),

modules/module-pw-alsa-udev.c

@@ -11,6 +11,7 @@
  * and automatically creates endpoints for all alsa device nodes that appear
  */
 
+#include <spa/utils/keys.h>
 #include <spa/utils/names.h>
 #include <spa/monitor/monitor.h>
 #include <pipewire/pipewire.h>
@@ -86,6 +87,89 @@ on_endpoint_created(GObject *initable, GAsyncResult *res, gpointer d)
       g_steal_pointer (&endpoint));
 }
 
+static gboolean
+parse_alsa_properties (WpProperties *props, const gchar **name,
+    const gchar **media_class, enum pw_direction *direction)
+{
+  const char *local_name = NULL;
+  const char *local_media_class = NULL;
+  enum pw_direction local_direction;
+
+  /* Get the name */
+  local_name = wp_properties_get (props, PW_KEY_NODE_NAME);
+  if (!local_name)
+    return FALSE;
+
+  /* Get the media class */
+  local_media_class = wp_properties_get (props, PW_KEY_MEDIA_CLASS);
+  if (!local_media_class)
+    return FALSE;
+
+  /* Get the direction */
+  if (g_str_has_prefix (local_media_class, "Audio/Sink"))
+    local_direction = PW_DIRECTION_INPUT;
+  else if (g_str_has_prefix (local_media_class, "Audio/Source"))
+    local_direction = PW_DIRECTION_OUTPUT;
+  else
+    return FALSE;
+
+  /* Set the name */
+  if (name)
+    *name = local_name;
+
+  /* Set the media class */
+  if (media_class) {
+    switch (local_direction) {
+    case PW_DIRECTION_INPUT:
+      *media_class = "Alsa/Sink";
+      break;
+    case PW_DIRECTION_OUTPUT:
+      *media_class = "Alsa/Source";
+      break;
+    default:
+      break;
+    }
+  }
+
+  /* Set the direction */
+  if (direction)
+    *direction = local_direction;
+
+  return TRUE;
+}
+
+/* TODO: we need to find a better way to do this */
+static gboolean
+is_alsa_node (WpProperties * props)
+{
+  const gchar *name = NULL;
+  const gchar *media_class = NULL;
+
+  /* Get the name */
+  name = wp_properties_get (props, "node.name");
+  if (!name)
+    return FALSE;
+
+  /* Get the media class */
+  media_class = wp_properties_get (props, SPA_KEY_MEDIA_CLASS);
+  if (!media_class)
+    return FALSE;
+
+  /* Check if it is an audio device */
+  if (!g_str_has_prefix (media_class, "Audio/"))
+    return FALSE;
+
+  /* Check it is not a convert */
+  if (g_str_has_prefix (media_class, "Audio/Convert"))
+    return FALSE;
+
+  /* Check if it is not a bluez device */
+  if (g_str_has_prefix (name, "bluez5."))
+    return FALSE;
+
+  return TRUE;
+}
+
 static void
 on_node_added(WpRemotePipewire *rp, WpProxy *proxy, struct impl *impl)
 {
@@ -99,38 +183,21 @@ on_node_added(WpRemotePipewire *rp, WpProxy *proxy, struct impl *impl)
   props = wp_proxy_get_global_properties (proxy);
   g_return_if_fail(props);
 
-  /* Get the media_class */
-  media_class = wp_properties_get (props, PW_KEY_MEDIA_CLASS);
-
-  /* Make sure the media class is non-convert audio */
-  if (!g_str_has_prefix (media_class, "Audio/"))
-    return;
-  if (g_str_has_prefix (media_class, "Audio/Convert"))
+  /* Only handle alsa nodes */
+  if (!is_alsa_node (props))
     return;
 
-  /* Get the name */
-  name = wp_properties_get (props, PW_KEY_MEDIA_NAME);
-  if (!name)
-    name = wp_properties_get (props, PW_KEY_NODE_NAME);
-
-  /* Don't handle bluetooth nodes */
-  if (g_str_has_prefix (name, "api.bluez5"))
-    return;
-
-  /* Get the direction */
-  if (g_str_has_prefix (media_class, "Audio/Sink")) {
-    direction = PW_DIRECTION_INPUT;
-  } else if (g_str_has_prefix (media_class, "Audio/Source")) {
-    direction = PW_DIRECTION_OUTPUT;
-  } else {
-    g_critical ("failed to parse direction");
+  /* Parse the alsa properties */
+  if (!parse_alsa_properties (props, &name, &media_class, &direction)) {
+    g_critical ("failed to parse alsa properties");
     return;
   }
 
   /* Set the properties */
   g_variant_builder_init (&b, G_VARIANT_TYPE_VARDICT);
   g_variant_builder_add (&b, "{sv}",
-      "name", g_variant_new_string (name));
+      "name", g_variant_new_take_string (g_strdup_printf (
+              "Alsa %u (%s)", wp_proxy_get_global_id (proxy), name)));
   g_variant_builder_add (&b, "{sv}",
       "media-class", g_variant_new_string (media_class));
   g_variant_builder_add (&b, "{sv}",
@@ -168,33 +235,32 @@ create_node(struct impl *impl, struct device *dev, uint32_t id,
     const struct spa_device_object_info *info)
 {
   struct node *node;
-  const char *str;
+  const char *name;
   g_autoptr (WpProperties) props = NULL;
 
   /* Check if the type is a node */
   if (info->type != SPA_TYPE_INTERFACE_Node)
     return NULL;
 
-  /* Create the node */
-  node = g_slice_new0(struct node);
-
-  /* Set the node properties */
   props = wp_properties_new_copy (dev->props);
 
-  str = wp_properties_get (props, SPA_KEY_DEVICE_NICK);
-  if (str == NULL)
-    str = wp_properties_get (props, SPA_KEY_DEVICE_NAME);
-  if (str == NULL)
-    str = wp_properties_get (props, SPA_KEY_DEVICE_ALIAS);
-  if (str == NULL)
-    str = "alsa-device";
+  /* Get the alsa name */
+  name = wp_properties_get (props, SPA_KEY_DEVICE_NICK);
+  if (name == NULL)
+    name = wp_properties_get (props, SPA_KEY_DEVICE_NAME);
+  if (name == NULL)
+    name = wp_properties_get (props, SPA_KEY_DEVICE_ALIAS);
+  if (name == NULL)
+    name = "alsa-device";
 
+  /* Create the properties */
   wp_properties_update_from_dict (props, info->props);
-  wp_properties_set(props, PW_KEY_NODE_NAME, str);
-  wp_properties_set(props, "factory.name", info->factory_name);
+  wp_properties_set(props, PW_KEY_NODE_NAME, name);
+  wp_properties_set(props, PW_KEY_FACTORY_NAME, info->factory_name);
   wp_properties_set(props, "merger.monitor", "1");
 
-  /* Set the node info */
+  /* Create the node */
+  node = g_slice_new0(struct node);
   node->impl = impl;
   node->device = dev;
   node->id = id;
@@ -345,12 +411,18 @@ update_device(struct impl *impl, struct device *dev,
 static void
 destroy_device(struct impl *impl, struct device *dev)
 {
+  struct node *node;
+
   /* Remove the device from the list */
   spa_list_remove(&dev->link);
 
   /* Remove the device listener */
   spa_hook_remove(&dev->device_listener);
 
+  /* Destry all the nodes that the device has */
+  spa_list_consume(node, &dev->node_list, link)
+    destroy_node(impl, dev, node);
+
   /* Destroy the device proxy */
   pw_proxy_destroy(dev->proxy);
 

modules/module-pw-bluez.c

@@ -11,11 +11,18 @@
  * and automatically creates pipewire audio nodes to play and capture audio
  */
 
+#include <spa/utils/keys.h>
 #include <spa/utils/names.h>
 #include <spa/monitor/monitor.h>
 #include <pipewire/pipewire.h>
 #include <wp/wp.h>
 
+enum wp_bluez_profile {
+  WP_BLUEZ_A2DP = 0,
+  WP_BLUEZ_HEADUNIT = 1,  /* HSP/HFP Head Unit (Headsets) */
+  WP_BLUEZ_GATEWAY = 2    /* HSP/HFP Gateway (Phones) */
+};
+
 struct monitor {
   struct spa_handle *handle;
   struct spa_monitor *monitor;
@@ -87,6 +94,115 @@ on_endpoint_created(GObject *initable, GAsyncResult *res, gpointer d)
       endpoint);
 }
 
+
+static gboolean
+parse_bluez_properties (WpProperties *props, const gchar **name,
+    const gchar **media_class, enum pw_direction *direction)
+{
+  const char *local_name = NULL;
+  const char *local_media_class = NULL;
+  enum pw_direction local_direction;
+  enum wp_bluez_profile profile;
+
+  /* Get the name */
+  local_name = wp_properties_get (props, PW_KEY_NODE_NAME);
+  if (!local_name)
+    return FALSE;
+
+  /* Get the media class */
+  local_media_class = wp_properties_get (props, PW_KEY_MEDIA_CLASS);
+  if (!local_media_class)
+    return FALSE;
+
+  /* Get the direction */
+  if (g_str_has_prefix (local_media_class, "Audio/Sink"))
+    local_direction = PW_DIRECTION_INPUT;
+  else if (g_str_has_prefix (local_media_class, "Audio/Source"))
+    local_direction = PW_DIRECTION_OUTPUT;
+  else
+    return FALSE;
+
+  /* Get the bluez profile */
+  if (g_str_has_prefix (local_name, "bluez5.a2dp"))
+    profile = WP_BLUEZ_A2DP;
+  else if (g_str_has_prefix (local_name, "bluez5.hsp-hs"))
+    profile = WP_BLUEZ_HEADUNIT;
+  else if (g_str_has_prefix (local_name, "bluez5.hfp-hf"))
+    profile = WP_BLUEZ_HEADUNIT;
+  else if (g_str_has_prefix (local_name, "bluez5.hsp-ag"))
+    profile = WP_BLUEZ_GATEWAY;
+  else if (g_str_has_prefix (local_name, "bluez5.hfp-ag"))
+    profile = WP_BLUEZ_GATEWAY;
+  else
+    return FALSE;
+
+  /* Set the name */
+  if (name)
+    *name = local_name;
+
+  /* Set the media class */
+  if (media_class) {
+    switch (local_direction) {
+    case PW_DIRECTION_INPUT:
+      switch (profile) {
+      case WP_BLUEZ_A2DP:
+        *media_class = "Bluez/Sink/A2dp";
+        break;
+      case WP_BLUEZ_HEADUNIT:
+        *media_class = "Bluez/Sink/Headunit";
+        break;
+      case WP_BLUEZ_GATEWAY:
+        *media_class = "Bluez/Sink/Gateway";
+        break;
+      default:
+        break;
+      }
+      break;
+
+    case PW_DIRECTION_OUTPUT:
+      switch (profile) {
+      case WP_BLUEZ_A2DP:
+        *media_class = "Bluez/Source/A2dp";
+        break;
+      case WP_BLUEZ_HEADUNIT:
+        *media_class = "Bluez/Source/Headunit";
+        break;
+      case WP_BLUEZ_GATEWAY:
+        *media_class = "Bluez/Source/Gateway";
+        break;
+      }
+      break;
+
+    default:
+      break;
+    }
+  }
+
+  /* Set the direction */
+  if (direction)
+    *direction = local_direction;
+
+  return TRUE;
+}
+
+/* TODO: we need to find a better way to do this */
+static gboolean
+is_bluez_node (WpProperties *props)
+{
+  const gchar *name = NULL;
+
+  /* Get the name */
+  name = wp_properties_get (props, PW_KEY_NODE_NAME);
+  if (!name)
+    return FALSE;
+
+  /* Check if it is a bluez device */
+  if (!g_str_has_prefix (name, "bluez5."))
+    return FALSE;
+
+  return TRUE;
+}
+
 static void
 on_node_added (WpRemotePipewire *rp, WpProxy *proxy, struct impl *data)
 {
@@ -101,34 +217,21 @@ on_node_added (WpRemotePipewire *rp, WpProxy *proxy, struct impl *data)
   props = wp_proxy_get_global_properties (proxy);
   g_return_if_fail(props);
 
-  /* Get the media_class */
-  media_class = wp_properties_get (props, PW_KEY_MEDIA_CLASS);
-
-  /* Get the name */
-  name = wp_properties_get (props, PW_KEY_MEDIA_NAME);
-  if (!name)
-    name = wp_properties_get (props, PW_KEY_NODE_NAME);
-
-  /* Only handle bluetooth nodes */
-  if (!g_str_has_prefix (name, "api.bluez5"))
+  /* Only handle bluez nodes */
+  if (!is_bluez_node (props))
     return;
 
-  /* Get the direction */
-  if (g_str_has_prefix (media_class, "Audio/Sink")) {
-    direction = PW_DIRECTION_INPUT;
-  } else if (g_str_has_prefix (media_class, "Audio/Source")) {
-    direction = PW_DIRECTION_OUTPUT;
-  } else {
-    g_critical ("failed to parse direction");
+  /* Parse the bluez properties */
+  if (!parse_bluez_properties (props, &name, &media_class, &direction)) {
+    g_critical ("failed to parse bluez properties");
     return;
   }
 
   /* Set the properties */
   g_variant_builder_init (&b, G_VARIANT_TYPE_VARDICT);
   g_variant_builder_add (&b, "{sv}",
-      "name", name ?
-      g_variant_new_take_string (g_strdup_printf ("Stream %u (%s)", id, name)) :
-      g_variant_new_take_string (g_strdup_printf ("Stream %u", id)));
+      "name", g_variant_new_take_string (
+          g_strdup_printf ("Bluez %u (%s)", id, name)));
   g_variant_builder_add (&b, "{sv}",
       "media-class", g_variant_new_string (media_class));
   g_variant_builder_add (&b, "{sv}",
@@ -164,44 +267,48 @@ create_node(struct impl *impl, struct device *dev, uint32_t id,
     const struct spa_device_object_info *info)
 {
   struct node *node;
-  const char *str;
+  const char *name, *profile;
   struct pw_properties *props = NULL;
   struct pw_factory *factory = NULL;
   struct pw_node *adapter = NULL;
-  struct pw_proxy *proxy = NULL;
 
   /* Check if the type is a node */
   if (info->type != SPA_TYPE_INTERFACE_Node)
     return NULL;
 
-  /* Create the properties */
-  props = pw_properties_new_dict(info->props);
-  str = pw_properties_get(dev->props, SPA_KEY_DEVICE_DESCRIPTION);
-  if (str == NULL)
-    str = pw_properties_get(dev->props, SPA_KEY_DEVICE_NAME);
-  if (str == NULL)
-      str = pw_properties_get(dev->props, SPA_KEY_DEVICE_NICK);
-  if (str == NULL)
-    str = pw_properties_get(dev->props, SPA_KEY_DEVICE_ALIAS);
-  if (str == NULL)
-    str = "bluetooth-device";
-  pw_properties_setf(props, PW_KEY_NODE_NAME, "%s.%s", info->factory_name, str);
-  pw_properties_set(props, PW_KEY_NODE_DESCRIPTION, str);
-  pw_properties_set(props, "factory.name", info->factory_name);
+  /* Get the bluez name */
+  name = pw_properties_get(dev->props, SPA_KEY_DEVICE_DESCRIPTION);
+  if (name == NULL)
+    name = pw_properties_get(dev->props, SPA_KEY_DEVICE_NAME);
+  if (name == NULL)
+      name = pw_properties_get(dev->props, SPA_KEY_DEVICE_NICK);
+  if (name == NULL)
+    name = pw_properties_get(dev->props, SPA_KEY_DEVICE_ALIAS);
+  if (name == NULL)
+    name = "bluetooth-device";
+
+  /* Get the bluez profile */
+  profile = spa_dict_lookup(info->props, SPA_KEY_API_BLUEZ5_PROFILE);
+  if (!profile)
+    profile = "null";
 
   /* Find the factory */
   factory = wp_remote_pipewire_find_factory(impl->remote_pipewire, "adapter");
   g_return_val_if_fail (factory, NULL);
 
+  /* Create the properties */
+  props = pw_properties_new_dict(info->props);
+  pw_properties_setf(props, PW_KEY_NODE_NAME, "bluez5.%s.%s", profile, name);
+  pw_properties_set(props, PW_KEY_NODE_DESCRIPTION, name);
+  pw_properties_set(props, PW_KEY_FACTORY_NAME, info->factory_name);
+
   /* Create the adapter */
   adapter = pw_factory_create_object(factory, NULL, PW_TYPE_INTERFACE_Node,
       PW_VERSION_NODE_PROXY, props, 0);
-  g_return_val_if_fail (adapter, NULL);
-
-  /* Create the proxy */
-  proxy = wp_remote_pipewire_export(impl->remote_pipewire,
-      PW_TYPE_INTERFACE_Node, props, adapter, 0);
-  g_return_val_if_fail (proxy, NULL);
+  if (!adapter) {
+    pw_properties_free(props);
+    return NULL;
+  }
 
   /* Create the node */
   node = g_slice_new0(struct node);
@@ -210,7 +317,13 @@ create_node(struct impl *impl, struct device *dev, uint32_t id,
   node->id = id;
   node->props = props;
   node->adapter = adapter;
-  node->proxy = proxy;
+  node->proxy = wp_remote_pipewire_export(impl->remote_pipewire,
+      PW_TYPE_INTERFACE_Node, props, adapter, 0);
+  if (!node->proxy) {
+    pw_properties_free(props);
+    g_slice_free (struct node, node);
+    return NULL;
+  }
 
   /* Add the node to the list */
   spa_list_append(&dev->node_list, &node->link);
@@ -342,12 +455,18 @@ update_device(struct impl *impl, struct device *dev,
 static void
 destroy_device(struct impl *impl, struct device *dev)
 {
+  struct node *node;
+
   /* Remove the device from the list */
   spa_list_remove(&dev->link);
 
   /* Remove the device listener */
   spa_hook_remove(&dev->device_listener);
 
+  /* Destry all the nodes that the device has */
+  spa_list_consume(node, &dev->node_list, link)
+    destroy_node(impl, dev, node);
+
   /* Destroy the device proxy */
   pw_proxy_destroy(dev->proxy);
 

modules/module-simple-policy.c

@@ -7,6 +7,7 @@
  */
 
 #include <wp/wp.h>
+#include <pipewire/pipewire.h>
 
 enum {
   DIRECTION_SINK = 0,
@@ -125,41 +126,80 @@ select_endpoint (WpSimplePolicy *self, gint direction, WpEndpoint *ep,
 }
 
 static gboolean
-select_new_endpoint (WpSimplePolicy *self)
+try_select_new_endpoint (WpSimplePolicy *self, gint direction,
+    const gchar *media_class)
 {
   g_autoptr (WpCore) core = NULL;
   g_autoptr (GPtrArray) ptr_array = NULL;
-  const gchar *media_class = NULL;
   WpEndpoint *other;
   guint32 control_id;
-  gint direction, i;
+  gint i;
+
+  /* Get the list of endpoints matching the media class */
+  core = wp_policy_get_core (WP_POLICY (self));
+  ptr_array = wp_endpoint_find (core, media_class);
+
+  /* Find the endpoint in the list */
+  for (i = 0; i < (ptr_array ? ptr_array->len : 0); i++) {
+    other = g_ptr_array_index (ptr_array, i);
+    if (g_str_has_prefix (media_class, "Alsa/")) {
+      /* If Alsa, select the "selected" endpoint */
+      control_id =
+          wp_endpoint_find_control (other, WP_STREAM_ID_NONE, "selected");
+      if (control_id == WP_CONTROL_ID_NONE)
+        continue;
+      select_endpoint (self, direction, other, control_id);
+      return TRUE;
+    } else {
+      /* If non-Alsa (Bluez and Stream), select the first endpoint */
+      select_endpoint (self, direction, other, WP_CONTROL_ID_NONE);
+      return TRUE;
+    }
+  }
+
+  return FALSE;
+}
+
+static gboolean
+select_new_endpoint (WpSimplePolicy *self)
+{
+  gint direction;
+  const gchar *bluez_headunit_media_class = NULL;
+  const gchar *bluez_a2dp_media_class = NULL;
+  const gchar *alsa_media_class = NULL;
 
   if (!self->selected[DIRECTION_SINK]) {
     direction = DIRECTION_SINK;
-    media_class = "Audio/Sink";
+    bluez_headunit_media_class = "Bluez/Sink/Headunit";
+    bluez_a2dp_media_class = "Bluez/Sink/A2dp";
+    alsa_media_class = "Alsa/Sink";
   } else if (!self->selected[DIRECTION_SOURCE]) {
     direction = DIRECTION_SOURCE;
-    media_class = "Audio/Source";
+    bluez_headunit_media_class = "Bluez/Source/Headunit";
+    bluez_a2dp_media_class = "Bluez/Source/A2dp";
+    alsa_media_class = "Alsa/Source";
   } else
     return G_SOURCE_REMOVE;
 
-  core = wp_policy_get_core (WP_POLICY (self));
-
-  /* Get all the endpoints with the same media class */
-  ptr_array = wp_endpoint_find (core, media_class);
+  /* Bluez has higher priority than Alsa. Bluez A2DP profile has lower
+   * priority than Bluez non-gatewat profile (Headunit). Bluez Gateway profiles
+   * are not handled here because they always need to be linked with Alsa
+   * endpoints, so the priority list is as folows (from higher to lower):
+   * - Bluez Headunit
+   * - Bluez A2DP
+   * - Alsa
+   */
 
-  /* select the first available that has the "selected" control */
-  for (i = 0; i < (ptr_array ? ptr_array->len : 0); i++) {
-    other = g_ptr_array_index (ptr_array, i);
+  /* Try to select a Bluez Headunit endpoint */
+  if (try_select_new_endpoint (self, direction, bluez_headunit_media_class))
+    return G_SOURCE_REMOVE;
 
-    control_id =
-        wp_endpoint_find_control (other, WP_STREAM_ID_NONE, "selected");
-    if (control_id == WP_CONTROL_ID_NONE)
-      continue;
+  /* Try to select a Bluez A2dp endpoint */
+  if (try_select_new_endpoint (self, direction, bluez_a2dp_media_class))
+    return G_SOURCE_REMOVE;
 
-    select_endpoint (self, direction, other, control_id);
-    break;
-  }
+  /* Try to select an Alsa endpoint */
+  try_select_new_endpoint (self, direction, alsa_media_class);
 
   return G_SOURCE_REMOVE;
 }
@@ -172,8 +212,8 @@ simple_policy_endpoint_added (WpPolicy *policy, WpEndpoint *ep)
   guint32 control_id;
   gint direction;
 
-  /* we only care about audio device endpoints here */
-  if (!g_str_has_prefix (media_class, "Audio/"))
+  /* we only care about alsa device endpoints here */
+  if (!g_str_has_prefix (media_class, "Alsa/"))
     return;
 
   /* verify it has the "selected" control available */
@@ -264,42 +304,32 @@ on_endpoint_link_created(GObject *initable, GAsyncResult *res, gpointer d)
   }
 }
 
-static void
-handle_client (WpPolicy *policy, WpEndpoint *ep)
+static gboolean
+link_endpoint (WpPolicy *policy, WpEndpoint *ep, GVariant *target_props)
 {
-  const char *media_class = wp_endpoint_get_media_class(ep);
-  GVariantDict d;
   g_autoptr (WpCore) core = NULL;
   g_autoptr (WpEndpoint) target = NULL;
   guint32 stream_id;
+  guint direction;
   gboolean is_capture = FALSE;
-  g_autofree gchar *role, *target_name = NULL;
-
-  /* Detect if the client is doing capture or playback */
-  is_capture = g_str_has_prefix (media_class, "Stream/Input");
-
-  /* Locate the target endpoint */
-  g_variant_dict_init (&d, NULL);
-  g_variant_dict_insert (&d, "action", "s", "link");
-  g_variant_dict_insert (&d, "media.class", "s",
-      is_capture ? "Audio/Source" : "Audio/Sink");
-
-  g_object_get (ep, "role", &role, NULL);
-  if (role)
-    g_variant_dict_insert (&d, "media.role", "s", role);
 
-  g_object_get (ep, "target", &target_name, NULL);
-  if (target_name)
-    g_variant_dict_insert (&d, "media.name", "s", target_name);
-
-  /* TODO: more properties are needed here */
+  /* Check if the endpoint is capture or not */
+  direction = wp_endpoint_get_direction (WP_ENDPOINT (ep));
+  switch (direction) {
+  case PW_DIRECTION_INPUT:
+    is_capture = TRUE;
+    break;
+  case PW_DIRECTION_OUTPUT:
+    is_capture = FALSE;
+    break;
+  default:
+    return FALSE;
+  }
 
   core = wp_policy_get_core (policy);
-  target = wp_policy_find_endpoint (core, g_variant_dict_end (&d), &stream_id);
-  if (!target) {
-    g_warning ("Could not find target endpoint");
-    return;
-  }
+  target = wp_policy_find_endpoint (core, target_props, &stream_id);
+  if (!target)
+    return FALSE;
 
   /* if the client is already linked... */
   if (wp_endpoint_is_linked (ep)) {
@@ -315,7 +345,7 @@ handle_client (WpPolicy *policy, WpEndpoint *ep)
       /* ... do nothing if it's already linked to the correct target */
       g_debug ("Client '%s' already linked correctly",
           wp_endpoint_get_name (ep));
-      return;
+      return TRUE;
     } else {
       /* ... or else unlink it and continue */
       g_debug ("Unlink client '%s' from its previous target",
@@ -340,7 +370,7 @@ handle_client (WpPolicy *policy, WpEndpoint *ep)
     wp_endpoint_unlink (target);
   }
 
-  /* Link the client with the target */
+  /* Link the endpoint with the target */
   if (is_capture) {
     wp_endpoint_link_new (core, target, stream_id, ep, 0,
         on_endpoint_link_created, NULL);
@@ -349,7 +379,103 @@ handle_client (WpPolicy *policy, WpEndpoint *ep)
         on_endpoint_link_created, NULL);
   }
 
-  return;
+  return TRUE;
+}
+
+static void
+handle_client (WpPolicy *policy, WpEndpoint *ep)
+{
+  const char *media_class = wp_endpoint_get_media_class(ep);
+  GVariantDict d;
+  gboolean is_capture = FALSE;
+  const gchar *role, *target_name = NULL;
+
+  /* Detect if the client is doing capture or playback */
+  is_capture = g_str_has_prefix (media_class, "Stream/Input");
+
+  /* All Stream client endpoints need to be linked with a Bluez non-gateway
+   * endpoint if any. If there is no Bluez non-gateway endpoints, the Stream
+   * client needs to be linked with a Bluez A2DP endpoint. Finally, if none
+   * of the previous endpoints are found, the Stream client needs to be linked
+   * with an Alsa endpoint.
+   */
+
+  /* Link endpoint with Bluez non-gateway target endpoint */
+  g_variant_dict_init (&d, NULL);
+  g_variant_dict_insert (&d, "action", "s", "link");
+  g_variant_dict_insert (&d, "media.class", "s",
+      is_capture ? "Bluez/Source/Headunit" : "Bluez/Sink/Headunit");
+  if (link_endpoint (policy, ep, g_variant_dict_end (&d)))
+    return;
+
+  /* Link endpoint with Bluez A2DP target endpoint */
+  g_variant_dict_init (&d, NULL);
+  g_variant_dict_insert (&d, "action", "s", "link");
+  g_variant_dict_insert (&d, "media.class", "s",
+      is_capture ? "Bluez/Source/A2dp" : "Bluez/Sink/A2dp");
+  if (link_endpoint (policy, ep, g_variant_dict_end (&d)))
+    return;
+
+  /* Link endpoint with Alsa target endpoint */
+  g_variant_dict_init (&d, NULL);
+  g_variant_dict_insert (&d, "action", "s", "link");
+  g_variant_dict_insert (&d, "media.class", "s",
+      is_capture ? "Alsa/Source" : "Alsa/Sink");
+  g_object_get (ep, "role", &role, NULL);
+  if (role)
+    g_variant_dict_insert (&d, "media.role", "s", role);
+  g_object_get (ep, "target", &target_name, NULL);
+  if (target_name)
+    g_variant_dict_insert (&d, "media.name", "s", target_name);
+  if (!link_endpoint (policy, ep, g_variant_dict_end (&d)))
+    g_info ("Could not find alsa target endpoint for client stream");
+}
+
+static void
+handle_bluez_non_gateway (WpPolicy *policy, WpEndpoint *ep)
+{
+  GVariantDict d;
+  const char *media_class = wp_endpoint_get_media_class(ep);
+  gboolean is_sink = FALSE;
+
+  /* All bluetooth non-gateway endpoints (A2DP/HSP_HS/HFP_HF) always
+   * need to be linked with the stream endpoints so that the computer
+   * does not play any sound
+   */
+
+  /* Detect if the client is a sink or not */
+  is_sink = g_str_has_prefix (media_class, "Bluez/Sink");
+
+  /* Link endpoint with Stream target endpoint */
+  g_variant_dict_init (&d, NULL);
+  g_variant_dict_insert (&d, "action", "s", "link");
+  g_variant_dict_insert (&d, "media.class", "s",
+      is_sink ? "Stream/Output/Audio" : "Stream/Input/Audio");
+  if (!link_endpoint (policy, ep, g_variant_dict_end (&d)))
+    g_info ("Could not find stream target endpoint for non-gateway bluez");
+}
+
+static void
+handle_bluez_gateway (WpPolicy *policy, WpEndpoint *ep)
+{
+  /* All bluetooth gateway endpoints (HSP_GW/HFP_GW) always need to
+   * be linked with the alsa endpoints so that the computer can act
+   * as a head unit
+   */
+  GVariantDict d;
+  const char *media_class = wp_endpoint_get_media_class(ep);
+  gboolean is_sink = FALSE;
+
+  /* Detect if the client is a sink or not */
+  is_sink = g_str_has_prefix (media_class, "Bluez/Sink");
+
+  /* Link endpoint with Alsa target endpoint */
+  g_variant_dict_init (&d, NULL);
+  g_variant_dict_insert (&d, "action", "s", "link");
+  g_variant_dict_insert (&d, "media.class", "s",
+      is_sink ? "Alsa/Source" : "Alsa/Sink");
+  if (!link_endpoint (policy, ep, g_variant_dict_end (&d)))
+    g_info ("Could not find alsa target endpoint for gateway bluez");
 }
 
 static gint
@@ -393,35 +519,103 @@ compare_client_priority (gconstpointer a, gconstpointer b, gpointer user_data)
   return ret;
 }
 
-static gboolean
-simple_policy_rescan_in_idle (WpSimplePolicy *self)
+static gint
+compare_bluez_non_gateway_priority (gconstpointer a, gconstpointer b,
+    gpointer user_data)
+{
+  WpEndpoint *ae = *(const gpointer *) a;
+  WpEndpoint *be = *(const gpointer *) b;
+  const char *a_media_class, *b_media_class;
+  gint a_priority, b_priority;
+
+  /* Bluez priorities (Gateway is a different case):
+   - Headset (1)
+   - A2dp (0)
+  */
+
+  /* Get endpoint A priority */
+  a_media_class = wp_endpoint_get_media_class(ae);
+  a_priority = g_str_has_suffix (a_media_class, "Headset") ? 1 : 0;
+
+  /* Get endpoint B priority */
+  b_media_class = wp_endpoint_get_media_class(be);
+  b_priority = g_str_has_suffix (b_media_class, "Headset") ? 1 : 0;
+
+  /* Return the difference of both priorities */
+  return a_priority - b_priority;
+}
+
+static gint
+compare_bluez_gateway_priority (gconstpointer a, gconstpointer b,
+    gpointer user_data)
+{
+  /* Since Bluez Gateway profile does not have any priorities, just
+   * return positive to indicate endpoint A has higher priority than
+   * endpoint B */
+  return 1;
+}
+
+static void
+rescan_sink_endpoints (WpSimplePolicy *self, const gchar *media_class,
+    void (*handler) (WpPolicy *policy, WpEndpoint *ep))
 {
   g_autoptr (WpCore) core = wp_policy_get_core (WP_POLICY (self));
   g_autoptr (GPtrArray) endpoints = NULL;
   WpEndpoint *ep;
   gint i;
 
-  g_debug ("rescanning for clients that need linking");
-
-  endpoints = wp_endpoint_find (core, "Stream/Input/Audio");
+  endpoints = wp_endpoint_find (core, media_class);
   if (endpoints) {
-    /* link all capture clients */
+    /* link all sink endpoints */
     for (i = 0; i < endpoints->len; i++) {
       ep = g_ptr_array_index (endpoints, i);
-      handle_client (WP_POLICY (self), ep);
+      handler (WP_POLICY (self), ep);
     }
   }
+}
+
+static void
+rescan_source_endpoints (WpSimplePolicy *self, const gchar *media_class,
+    void (*handle) (WpPolicy *policy, WpEndpoint *ep),
+    GCompareDataFunc comp_func)
+{
+  g_autoptr (WpCore) core = wp_policy_get_core (WP_POLICY (self));
+  g_autoptr (GPtrArray) endpoints = NULL;
+  WpEndpoint *ep;
 
-  endpoints = wp_endpoint_find (core, "Stream/Output/Audio");
+  endpoints = wp_endpoint_find (core, media_class);
   if (endpoints && endpoints->len > 0) {
-    /* sort based on role priorities */
-    g_ptr_array_sort_with_data (endpoints, compare_client_priority,
-        self->role_priorities);
+    /* sort based on priorities */
+    g_ptr_array_sort_with_data (endpoints, comp_func, self->role_priorities);
 
-    /* link the highest priority client */
+    /* link the highest priority */
     ep = g_ptr_array_index (endpoints, 0);
-    handle_client (WP_POLICY (self), ep);
+    handle (WP_POLICY (self), ep);
   }
+}
+
+static gboolean
+simple_policy_rescan_in_idle (WpSimplePolicy *self)
+{
+  /* Alsa endpoints are never handled */
+
+  /* Handle clients */
+  rescan_sink_endpoints (self, "Stream/Input/Audio", handle_client);
+  rescan_source_endpoints (self, "Stream/Output/Audio", handle_client,
+      compare_client_priority);
+
+  /* Handle Bluez non-gateway */
+  rescan_sink_endpoints (self, "Bluez/Sink/Headunit", handle_bluez_non_gateway);
+  rescan_source_endpoints (self, "Bluez/Source/Headunit",
+      handle_bluez_non_gateway, compare_bluez_non_gateway_priority);
+  rescan_sink_endpoints (self, "Bluez/Sink/A2dp", handle_bluez_non_gateway);
+  rescan_source_endpoints (self, "Bluez/Source/A2dp", handle_bluez_non_gateway,
+      compare_bluez_non_gateway_priority);
+
+  /* Handle Bluez gateway */
+  rescan_sink_endpoints (self, "Bluez/Sink/Gateway", handle_bluez_gateway);
+  rescan_source_endpoints (self, "Bluez/Source/Gateway",
+      handle_bluez_gateway, compare_bluez_gateway_priority);
 
   self->pending_rescan = 0;
   return G_SOURCE_REMOVE;
@@ -439,18 +633,17 @@ static gboolean
 simple_policy_handle_endpoint (WpPolicy *policy, WpEndpoint *ep)
 {
   WpSimplePolicy *self = WP_SIMPLE_POLICY (policy);
-  const char *media_class = NULL;
+  const char *media_class = wp_endpoint_get_media_class(ep);
 
-  /* TODO: For now we only accept audio stream clients */
-  media_class = wp_endpoint_get_media_class(ep);
-  if (!g_str_has_prefix (media_class, "Stream") ||
-      !g_str_has_suffix (media_class, "Audio")) {
-    return FALSE;
+  /* Schedule rescan only if endpoint is audio stream or bluez */
+  if ((g_str_has_prefix (media_class, "Stream") &&
+      g_str_has_suffix (media_class, "Audio")) ||
+      g_str_has_prefix (media_class, "Bluez")) {
+    simple_policy_rescan (self);
+    return TRUE;
   }
 
-  /* Schedule a rescan that will handle the endpoint */
-  simple_policy_rescan (self);
-  return TRUE;
+  return FALSE;
 }
 
 static WpEndpoint *
@@ -478,7 +671,7 @@ simple_policy_find_endpoint (WpPolicy *policy, GVariant *props,
     return NULL;
 
   /* Find the endpoint with the matching name, otherwise get the one with the
-   * "selected" flag */
+   * "selected" flag (if it is an alsa endpoint) */
   for (i = 0; i < ptr_array->len; i++) {
     ep = g_ptr_array_index (ptr_array, i);
     if (name) {
@@ -486,7 +679,7 @@ simple_policy_find_endpoint (WpPolicy *policy, GVariant *props,
         g_object_ref (ep);
         goto select_stream;
       }
-    } else {
+    } else if (g_str_has_prefix (media_class, "Alsa/")) {
       g_autoptr (GVariant) value = NULL;
       guint id;
 
@@ -506,6 +699,10 @@ simple_policy_find_endpoint (WpPolicy *policy, GVariant *props,
   ep = (ptr_array->len > 0) ?
     g_object_ref (g_ptr_array_index (ptr_array, 0)) : NULL;
 
+  /* Don't select any stream if it is not an alsa endpoint */
+  if (!g_str_has_prefix (media_class, "Alsa/"))
+    return ep;
+
 select_stream:
   g_variant_lookup (props, "media.role", "&s", &role);
   if (!g_strcmp0 (action, "mixer") && !g_strcmp0 (role, "Master"))