ce66025846
Use the spa type system to locate the enumeration value that corresponds to that string and send that
142 lines
3.8 KiB
C
142 lines
3.8 KiB
C
/* WirePlumber
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*
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* Copyright © 2020 Collabora Ltd.
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* @author Julian Bouzas <julian.bouzas@collabora.com>
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <wp/wp.h>
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G_DEFINE_QUARK (wp-module-node-suspension-source, source);
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struct _WpNodeSuspension
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{
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WpPlugin parent;
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WpObjectManager *nodes_om;
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};
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G_DECLARE_FINAL_TYPE (WpNodeSuspension, wp_node_suspension, WP, NODE_SUSPENSION,
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WpPlugin)
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G_DEFINE_TYPE (WpNodeSuspension, wp_node_suspension, WP_TYPE_PLUGIN)
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static void
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source_clear (GSource *source)
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{
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if (source) {
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g_source_destroy (source);
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g_source_unref (source);
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}
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}
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static gboolean
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timeout_suspend_node_callback (WpNode *node)
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{
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GSource *source = NULL;
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g_return_val_if_fail (node, G_SOURCE_REMOVE);
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wp_info_object (node, "was idle for a while; suspending ...");
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/* Suspend and unref the source */
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wp_node_send_command (node, "Suspend");
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source = g_object_steal_qdata (G_OBJECT (node), source_quark ());
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if (source)
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g_source_unref (source);
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return G_SOURCE_REMOVE;
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}
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static void
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on_node_state_changed (WpNode * node, WpNodeState old, WpNodeState curr,
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WpNodeSuspension * self)
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{
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g_autoptr (WpCore) core = wp_object_get_core (WP_OBJECT (self));
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g_return_if_fail (core);
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/* Always clear the current source if any */
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{
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GSource *source = g_object_steal_qdata (G_OBJECT (node), source_quark ());
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source_clear (source);
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}
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/* Add a timeout source if idle for at least 3 seconds */
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switch (curr) {
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case WP_NODE_STATE_IDLE: {
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g_autoptr (GSource) source = NULL;
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wp_core_timeout_add_closure (core, &source, 3000, g_cclosure_new_object (
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G_CALLBACK (timeout_suspend_node_callback), G_OBJECT (node)));
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g_object_set_qdata_full (G_OBJECT (node), source_quark (),
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g_steal_pointer (&source), (GDestroyNotify)source_clear);
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break;
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}
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default:
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break;
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}
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}
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static void
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on_node_added (WpObjectManager *om, WpProxy *proxy, gpointer d)
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{
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WpNodeSuspension *self = WP_NODE_SUSPENSION (d);
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/* handle the state-changed callback */
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g_signal_connect_object (WP_NODE (proxy), "state-changed",
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G_CALLBACK (on_node_state_changed), self, 0);
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}
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static void
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wp_node_suspension_enable (WpPlugin * plugin, WpTransition * transition)
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{
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WpNodeSuspension *self = WP_NODE_SUSPENSION (plugin);
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g_autoptr (WpCore) core = wp_object_get_core (WP_OBJECT (plugin));
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/* Create the nodes object manager and handle the node added signal */
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self->nodes_om = wp_object_manager_new ();
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wp_object_manager_add_interest (self->nodes_om, WP_TYPE_NODE,
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WP_CONSTRAINT_TYPE_PW_GLOBAL_PROPERTY, "media.class", "#s", "Audio/*",
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NULL);
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wp_object_manager_add_interest (self->nodes_om, WP_TYPE_NODE,
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WP_CONSTRAINT_TYPE_PW_GLOBAL_PROPERTY, "media.class", "#s", "Video/*",
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NULL);
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wp_object_manager_request_object_features (self->nodes_om, WP_TYPE_NODE,
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WP_PIPEWIRE_OBJECT_FEATURES_MINIMAL);
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g_signal_connect_object (self->nodes_om, "object-added",
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G_CALLBACK (on_node_added), self, 0);
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wp_core_install_object_manager (core, self->nodes_om);
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wp_object_update_features (WP_OBJECT (self), WP_PLUGIN_FEATURE_ENABLED, 0);
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}
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static void
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wp_node_suspension_disable (WpPlugin * plugin)
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{
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WpNodeSuspension *self = WP_NODE_SUSPENSION (plugin);
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g_clear_object (&self->nodes_om);
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}
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static void
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wp_node_suspension_init (WpNodeSuspension * self)
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{
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}
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static void
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wp_node_suspension_class_init (WpNodeSuspensionClass * klass)
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{
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WpPluginClass *plugin_class = (WpPluginClass *) klass;
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plugin_class->enable = wp_node_suspension_enable;
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plugin_class->disable = wp_node_suspension_disable;
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}
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WP_PLUGIN_EXPORT gboolean
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wireplumber__module_init (WpCore * core, GVariant * args, GError ** error)
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{
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wp_plugin_register (g_object_new (wp_node_suspension_get_type (),
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"name", "node-suspension",
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"core", core,
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NULL));
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return TRUE;
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}
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