raop: add beginnings of RAOP protocol

src/modules/module-raop/rtsp-client.h

@@ -0,0 +1,88 @@
+/* PipeWire
+ *
+ * Copyright © 2021 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_RTSP_CLIENT_H
+#define PIPEWIRE_RTSP_CLIENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdarg.h>
+
+#include <pipewire/pipewire.h>
+
+struct pw_rtsp_client;
+
+struct pw_rtsp_client_events {
+#define PW_VERSION_RTSP_CLIENT_EVENTS	0
+	uint32_t version;
+
+	void (*destroy) (void *data);
+
+	void (*connected) (void *data);
+	void (*error) (void *data, int res);
+	void (*disconnected) (void *data);
+
+	void (*message) (void *data, int status, int state,
+			const struct spa_dict *headers);
+
+};
+
+struct pw_rtsp_client * pw_rtsp_client_new(struct pw_loop *main_loop,
+				struct pw_properties *props,
+				size_t user_data_size);
+
+void pw_rtsp_client_destroy(struct pw_rtsp_client *client);
+
+void *pw_rtsp_client_get_user_data(struct pw_rtsp_client *client);
+
+void pw_rtsp_client_add_listener(struct pw_rtsp_client *client,
+		struct spa_hook *listener,
+		const struct pw_rtsp_client_events *events, void *data);
+
+const struct pw_properties *pw_rtsp_client_get_properties(struct pw_rtsp_client *client);
+
+void *pw_rtsp_client_get_user_data(struct pw_rtsp_client *client);
+
+
+int pw_rtsp_client_connect(struct pw_rtsp_client *client,
+		const char *hostname, uint16_t port, const char *session_id);
+int pw_rtsp_client_disconnect(struct pw_rtsp_client *client);
+
+int pw_rtsp_client_get_local_ip(struct pw_rtsp_client *client,
+		int *version, char *ip, size_t len);
+
+int pw_rtsp_client_send(struct pw_rtsp_client *client,
+		const char *cmd, const struct spa_dict *headers,
+		const char *content_type, const char *content,
+		void (*reply) (void *user_data, int status, const struct spa_dict *headers),
+		void *user_data);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPEWIRE_RTSP_CLIENT_H */