interfaces: move proxy API into their own header files

src/pipewire/module.h

@@ -0,0 +1,104 @@
+/* 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_MODULE_H
+#define PIPEWIRE_MODULE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <spa/utils/defs.h>
+#include <spa/utils/hook.h>
+
+#include <pipewire/proxy.h>
+
+#define PW_VERSION_MODULE_PROXY		3
+struct pw_module_proxy;
+
+/** The module information. Extra information can be added in later versions \memberof pw_introspect */
+struct pw_module_info {
+	uint32_t id;		/**< id of the global */
+	const char *name;	/**< name of the module */
+	const char *filename;	/**< filename of the module */
+	const char *args;	/**< arguments passed to the module */
+#define PW_MODULE_CHANGE_MASK_PROPS	(1 << 0)
+#define PW_MODULE_CHANGE_MASK_ALL	((1 << 1)-1)
+	uint64_t change_mask;	/**< bitfield of changed fields since last call */
+	struct spa_dict *props;	/**< extra properties */
+};
+
+/** Update and existing \ref pw_module_info with \a update \memberof pw_introspect */
+struct pw_module_info *
+pw_module_info_update(struct pw_module_info *info,
+		      const struct pw_module_info *update);
+
+/** Free a \ref pw_module_info \memberof pw_introspect */
+void pw_module_info_free(struct pw_module_info *info);
+
+#define PW_MODULE_PROXY_EVENT_INFO		0
+#define PW_MODULE_PROXY_EVENT_NUM		1
+
+/** Module events */
+struct pw_module_proxy_events {
+#define PW_VERSION_MODULE_PROXY_EVENTS	0
+	uint32_t version;
+	/**
+	 * Notify module info
+	 *
+	 * \param info info about the module
+	 */
+	void (*info) (void *object, const struct pw_module_info *info);
+};
+
+#define PW_MODULE_PROXY_METHOD_ADD_LISTENER	0
+#define PW_MODULE_PROXY_METHOD_NUM		1
+
+/** Module methods */
+struct pw_module_proxy_methods {
+#define PW_VERSION_MODULE_PROXY_METHODS	0
+	uint32_t version;
+
+	int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_module_proxy_events *events,
+			void *data);
+};
+
+#define pw_module_proxy_method(o,method,version,...)			\
+({									\
+	int _res = -ENOTSUP;						\
+	spa_interface_call_res((struct spa_interface*)o,		\
+			struct pw_module_proxy_methods, _res,		\
+			method, version, ##__VA_ARGS__);		\
+	_res;								\
+})
+
+#define pw_module_proxy_add_listener(c,...)	pw_module_proxy_method(c,add_listener,0,__VA_ARGS__)
+
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
+#endif /* PIPEWIRE_MODULE_H */