added rtsp support (not activated yet)

Originally committed as revision 719 to svn://svn.ffmpeg.org/ffmpeg/trunk

libav/rtsp.h

+/*
+ * RTSP definitions
+ * Copyright (c) 2002 Fabrice Bellard.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef RTSP_H
+#define RTSP_H
+
+/* RTSP handling */
+enum RTSPStatusCode {
+#define DEF(n, c, s) c = n,
+#include "rtspcodes.h"
+#undef DEF
+};
+
+enum RTSPProtocol {
+    RTSP_PROTOCOL_RTP_UDP = 0,
+    RTSP_PROTOCOL_RTP_TCP = 1,
+    RTSP_PROTOCOL_RTP_UDP_MULTICAST = 2,
+};
+
+#define RTSP_DEFAULT_PORT   554
+#define RTSP_MAX_TRANSPORTS 8
+
+typedef struct RTSPTransportField {
+    int interleaved_min, interleaved_max;  /* interleave ids, if TCP transport */
+    int port_min, port_max; /* RTP ports */
+    int client_port_min, client_port_max; /* RTP ports */
+    int server_port_min, server_port_max; /* RTP ports */
+    int ttl; /* ttl value */
+    UINT32 destination; /* destination IP address */
+    enum RTSPProtocol protocol;
+} RTSPTransportField;
+
+typedef struct RTSPHeader {
+    int content_length;
+    enum RTSPStatusCode status_code; /* response code from server */
+    int nb_transports;
+    RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
+    int seq; /* sequence number */
+    char session_id[512];
+} RTSPHeader;
+
+/* the callback can be used to extend the connection setup/teardown step */
+enum RTSPCallbackAction {
+    RTSP_ACTION_SERVER_SETUP,
+    RTSP_ACTION_SERVER_TEARDOWN,
+    RTSP_ACTION_CLIENT_SETUP,
+    RTSP_ACTION_CLIENT_TEARDOWN,
+};
+
+typedef struct RTSPActionServerSetup {
+    UINT32 ipaddr;
+    char transport_option[512];
+} RTSPActionServerSetup;
+
+typedef int FFRTSPCallback(enum RTSPCallbackAction action, 
+                           const char *session_id,
+                           char *buf, int buf_size,
+                           void *arg);
+
+void rtsp_set_callback(FFRTSPCallback *rtsp_cb);
+
+int rtsp_init(void);
+void rtsp_parse_line(RTSPHeader *reply, const char *buf);
+
+extern int rtsp_abort_req;
+extern int rtsp_default_protocols;
+extern FFRTSPCallback *ff_rtsp_callback;
+
+#endif /* RTSP_H */

libav/rtspcodes.h

+DEF(200, RTSP_STATUS_OK, "OK")
+DEF(405, RTSP_STATUS_METHOD, "Method Not Allowed")
+DEF(453, RTSP_STATUS_BANDWIDTH, "Not Enough Bandwidth")
+DEF(454, RTSP_STATUS_SESSION, "Session Not Found")
+DEF(455, RTSP_STATUS_STATE, "Method Not Valid in This State")
+DEF(459, RTSP_STATUS_AGGREGATE, "Aggregate operation not allowed")
+DEF(460, RTSP_STATUS_ONLY_AGGREGATE, "Only aggregate operation allowed")
+DEF(461, RTSP_STATUS_TRANSPORT, "Unsupported transport")
+DEF(500, RTSP_STATUS_INTERNAL, "Internal Server Error")
+DEF(503, RTSP_STATUS_SERVICE, "Service Unavailable")
+DEF(505, RTSP_STATUS_VERSION, "RTSP Version not supported")