155 lines
4.3 KiB
C
155 lines
4.3 KiB
C
/* WirePlumber
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*
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* Copyright © 2019-2020 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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#define G_LOG_DOMAIN "wp-port"
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#include "port.h"
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#include "private/pipewire-object-mixin.h"
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/*! \defgroup wpport WpPort */
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/*!
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* \struct WpPort
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*
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* The WpPort class allows accessing the properties
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* and methods of a PipeWire port object (`struct pw_port`).
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*
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* A WpPort is constructed internally when a new port appears
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* on the PipeWire registry and it is made available through the
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* WpObjectManager API.
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*/
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struct _WpPort
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{
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WpGlobalProxy parent;
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};
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static void wp_port_pw_object_mixin_priv_interface_init (
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WpPwObjectMixinPrivInterface * iface);
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G_DEFINE_TYPE_WITH_CODE (WpPort, wp_port, WP_TYPE_GLOBAL_PROXY,
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G_IMPLEMENT_INTERFACE (WP_TYPE_PIPEWIRE_OBJECT,
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wp_pw_object_mixin_object_interface_init)
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G_IMPLEMENT_INTERFACE (WP_TYPE_PW_OBJECT_MIXIN_PRIV,
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wp_port_pw_object_mixin_priv_interface_init))
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static void
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wp_port_init (WpPort * self)
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{
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}
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static void
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wp_port_activate_execute_step (WpObject * object,
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WpFeatureActivationTransition * transition, guint step,
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WpObjectFeatures missing)
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{
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switch (step) {
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case WP_PW_OBJECT_MIXIN_STEP_BIND:
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case WP_TRANSITION_STEP_ERROR:
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/* base class can handle BIND and ERROR */
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WP_OBJECT_CLASS (wp_port_parent_class)->
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activate_execute_step (object, transition, step, missing);
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break;
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case WP_PW_OBJECT_MIXIN_STEP_WAIT_INFO:
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/* just wait, info will be emitted anyway after binding */
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break;
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case WP_PW_OBJECT_MIXIN_STEP_CACHE_PARAMS:
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wp_pw_object_mixin_cache_params (object, missing);
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break;
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default:
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g_assert_not_reached ();
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}
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}
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static void
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wp_port_deactivate (WpObject * object, WpObjectFeatures features)
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{
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wp_pw_object_mixin_deactivate (object, features);
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WP_OBJECT_CLASS (wp_port_parent_class)->deactivate (object, features);
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}
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static const struct pw_port_events port_events = {
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PW_VERSION_PORT_EVENTS,
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.info = (HandleEventInfoFunc(port)) wp_pw_object_mixin_handle_event_info,
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.param = wp_pw_object_mixin_handle_event_param,
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};
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static void
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wp_port_pw_proxy_created (WpProxy * proxy, struct pw_proxy * pw_proxy)
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{
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wp_pw_object_mixin_handle_pw_proxy_created (proxy, pw_proxy,
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port, &port_events);
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}
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static void
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wp_port_pw_proxy_destroyed (WpProxy * proxy)
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{
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wp_pw_object_mixin_handle_pw_proxy_destroyed (proxy);
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WP_PROXY_CLASS (wp_port_parent_class)->pw_proxy_destroyed (proxy);
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}
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static void
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wp_port_class_init (WpPortClass * klass)
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{
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GObjectClass *object_class = (GObjectClass *) klass;
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WpObjectClass *wpobject_class = (WpObjectClass *) klass;
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WpProxyClass *proxy_class = (WpProxyClass *) klass;
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object_class->get_property = wp_pw_object_mixin_get_property;
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wpobject_class->get_supported_features =
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wp_pw_object_mixin_get_supported_features;
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wpobject_class->activate_get_next_step =
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wp_pw_object_mixin_activate_get_next_step;
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wpobject_class->activate_execute_step = wp_port_activate_execute_step;
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wpobject_class->deactivate = wp_port_deactivate;
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proxy_class->pw_iface_type = PW_TYPE_INTERFACE_Port;
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proxy_class->pw_iface_version = PW_VERSION_PORT;
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proxy_class->pw_proxy_created = wp_port_pw_proxy_created;
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proxy_class->pw_proxy_destroyed = wp_port_pw_proxy_destroyed;
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wp_pw_object_mixin_class_override_properties (object_class);
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}
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static gint
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wp_port_enum_params (gpointer instance, guint32 id,
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guint32 start, guint32 num, WpSpaPod *filter)
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{
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WpPwObjectMixinData *d = wp_pw_object_mixin_get_data (instance);
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return pw_port_enum_params (d->iface, 0, id, start, num,
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filter ? wp_spa_pod_get_spa_pod (filter) : NULL);
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}
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static void
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wp_port_pw_object_mixin_priv_interface_init (
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WpPwObjectMixinPrivInterface * iface)
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{
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wp_pw_object_mixin_priv_interface_info_init (iface, port, PORT);
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iface->enum_params = wp_port_enum_params;
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}
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/*!
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* \brief Gets the current direction of the port
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* \ingroup wpport
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* \param self the port
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* \returns the current direction of the port
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*/
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WpDirection
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wp_port_get_direction (WpPort * self)
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{
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g_return_val_if_fail (WP_IS_PORT (self), 0);
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g_return_val_if_fail (wp_object_get_active_features (WP_OBJECT (self)) &
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WP_PIPEWIRE_OBJECT_FEATURE_INFO, 0);
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WpPwObjectMixinData *d = wp_pw_object_mixin_get_data (self);
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const struct pw_port_info *info = d->info;
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return (WpDirection) info->direction;
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}
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