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monitor: clean monitor code

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This commit is contained in:
Julian Bouzas 2020-01-08 13:56:02 -05:00
parent 116376a0a6
commit 35ca79750d
1 changed files with 19 additions and 25 deletions
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44
lib/wp/monitor.c
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@ -19,7 +19,8 @@
typedef struct {
struct spa_handle *handle;
gpointer interface;
struct spa_device *interface;
struct spa_hook listener;
} WpSpaObject;
struct _WpMonitor
@ -39,10 +40,6 @@ struct object
{
guint32 id;
guint32 type;
union {
WpSpaObject *spa_dev;
struct pw_node *node;
};
WpProxy *proxy;
WpProperties *properties;
@ -50,7 +47,7 @@ struct object
GList *children; /* element-type: struct object* */
WpMonitor *self;
struct spa_hook listener;
WpSpaObject *spa_obj;
};
enum {
@ -147,6 +144,7 @@ static const struct spa_device_events device_events = {
static void
wp_spa_object_free (WpSpaObject *self)
{
spa_hook_remove (&self->listener);
pw_unload_spa_handle (self->handle);
}
@ -182,7 +180,8 @@ load_spa_object (WpCore *core, const gchar *factory, guint32 iface_type,
}
/* Get the handle interface */
res = spa_handle_get_interface (self->handle, iface_type, &self->interface);
res = spa_handle_get_interface (self->handle, iface_type,
(gpointer *)&self->interface);
if (res < 0) {
g_set_error (error, WP_DOMAIN_LIBRARY, WP_LIBRARY_ERROR_OPERATION_FAILED,
"Could not get interface 0x%x from SPA handle", iface_type);
@ -299,7 +298,6 @@ node_new (struct object *dev, uint32_t id,
node->self = self;
node->id = id;
node->type = SPA_TYPE_INTERFACE_Node;
node->node = pw_node;
node->proxy = wp_proxy_new_wrap (core, pw_proxy, PW_TYPE_INTERFACE_Node,
PW_VERSION_NODE_PROXY, NULL);
@ -344,8 +342,10 @@ device_new (WpMonitor *self, uint32_t id, const gchar *factory_name,
/* and delete the id - it should not appear on the proxy */
wp_properties_set (props, WP_MONITOR_KEY_OBJECT_ID, NULL);
if (!(spa_dev = load_spa_object (core, factory_name, SPA_TYPE_INTERFACE_Device,
props, &err))) {
/* load the spa device */
spa_dev = load_spa_object (core, factory_name, SPA_TYPE_INTERFACE_Device,
props, &err);
if (!spa_dev) {
g_propagate_error (error, g_steal_pointer (&err));
return NULL;
}
@ -365,14 +365,16 @@ device_new (WpMonitor *self, uint32_t id, const gchar *factory_name,
dev->self = self;
dev->id = id;
dev->type = SPA_TYPE_INTERFACE_Device;
dev->spa_dev = g_steal_pointer (&spa_dev);
dev->spa_obj = g_steal_pointer (&spa_dev);
dev->properties = g_steal_pointer (&props);
dev->proxy = wp_proxy_new_wrap (core, proxy, PW_TYPE_INTERFACE_Device,
PW_VERSION_DEVICE_PROXY, NULL);
/* Add device listener for events */
if ((ret = spa_device_add_listener ((struct spa_device *) dev->spa_dev->interface,
&dev->listener, &device_events, dev)) < 0) {
ret = spa_device_add_listener (dev->spa_obj->interface,
&dev->spa_obj->listener, &device_events, dev);
if (ret < 0) {
object_free (dev);
g_set_error (error, WP_DOMAIN_LIBRARY, WP_LIBRARY_ERROR_OPERATION_FAILED,
"failed to initialize device: %s", spa_strerror (ret));
return NULL;
@ -380,7 +382,7 @@ device_new (WpMonitor *self, uint32_t id, const gchar *factory_name,
/* HACK this is very specific to the current alsa pcm profiles */
if (self->flags & WP_MONITOR_FLAG_ACTIVATE_DEVICES)
set_profile ((struct spa_device *) dev->spa_dev->interface, 1);
set_profile (dev->spa_obj->interface, 1);
return dev;
}
@ -388,21 +390,13 @@ device_new (WpMonitor *self, uint32_t id, const gchar *factory_name,
static void
object_free (struct object *obj)
{
gboolean is_node = (obj->type == SPA_TYPE_INTERFACE_Node);
g_debug ("WpMonitor:%p:%s free %s %u", obj->self,
obj->self->factory_name, is_node ? "node" : "device", obj->id);
if (!is_node)
spa_hook_remove (&obj->listener);
g_debug ("WpMonitor:%p:%s free %s %u", obj->self, obj->self->factory_name,
(obj->type == SPA_TYPE_INTERFACE_Node) ? "node" : "device", obj->id);
g_list_free_full (obj->children, (GDestroyNotify) object_free);
g_clear_object (&obj->proxy);
if (is_node)
g_clear_pointer (&obj->node, pw_node_destroy);
else
g_clear_pointer (&obj->spa_dev, wp_spa_object_unref);
g_clear_pointer (&obj->spa_obj, wp_spa_object_unref);
g_clear_pointer (&obj->properties, wp_properties_unref);