1 files changed, 117 insertions, 0 deletions
diff --git a/src/pipewire/impl-port.h b/src/pipewire/impl-port.h
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+/* PipeWire
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef PIPEWIRE_PORT_H
+#define PIPEWIRE_PORT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <spa/utils/hook.h>
+
+/** \page page_port Port
+ *
+ * \section page_node_overview Overview
+ *
+ * A port can be used to link two nodes.
+ */
+/** \class pw_port
+ *
+ * The port object
+ */
+struct pw_port;
+struct pw_link;
+struct pw_control;
+
+#include <pipewire/impl.h>
+
+enum pw_port_state {
+	PW_PORT_STATE_ERROR = -1,	/**< the port is in error */
+	PW_PORT_STATE_INIT = 0,		/**< the port is being created */
+	PW_PORT_STATE_CONFIGURE = 1,	/**< the port is ready for format negotiation */
+	PW_PORT_STATE_READY = 2,	/**< the port is ready for buffer allocation */
+	PW_PORT_STATE_PAUSED = 3,	/**< the port is paused */
+};
+
+/** Port events, use \ref pw_port_add_listener */
+struct pw_port_events {
+#define PW_VERSION_PORT_EVENTS 0
+	uint32_t version;
+
+	/** The port is destroyed */
+	void (*destroy) (void *data);
+
+	/** The port is freed */
+	void (*free) (void *data);
+
+	/** The port is initialized */
+	void (*initialized) (void *data);
+
+	/** the port info changed */
+	void (*info_changed) (void *data, const struct pw_port_info *info);
+
+	/** a new link is added on this port */
+	void (*link_added) (void *data, struct pw_link *link);
+
+	/** a link is removed from this port */
+	void (*link_removed) (void *data, struct pw_link *link);
+
+	/** the state of the port changed */
+	void (*state_changed) (void *data, enum pw_port_state old,
+			enum pw_port_state state, const char *error);
+
+	/** a control was added to the port */
+	void (*control_added) (void *data, struct pw_control *control);
+
+	/** a control was removed from the port */
+	void (*control_removed) (void *data, struct pw_control *control);
+};
+
+/** Get the port direction */
+enum pw_direction pw_port_get_direction(struct pw_port *port);
+
+/** Get the port properties */
+const struct pw_properties *pw_port_get_properties(struct pw_port *port);
+
+/** Update the port properties */
+int pw_port_update_properties(struct pw_port *port, const struct spa_dict *dict);
+
+/** Get the port id */
+uint32_t pw_port_get_id(struct pw_port *port);
+
+/** Get the port parent node or NULL when not yet set */
+struct pw_node *pw_port_get_node(struct pw_port *port);
+
+/** Add an event listener on the port */
+void pw_port_add_listener(struct pw_port *port,
+			  struct spa_hook *listener,
+			  const struct pw_port_events *events,
+			  void *data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPEWIRE_PORT_H */