2 * Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
19 /* Element-Checklist-Version: 5 */
22 * SECTION:element-rtspwms
25 * A WMS RTSP extension
30 #include <gst/rtsp/gstrtspextension.h>
32 #include "gstasfelements.h"
33 #include "gstrtspwms.h"
35 GST_DEBUG_CATEGORY_STATIC (rtspwms_debug);
36 #define GST_CAT_DEFAULT (rtspwms_debug)
38 #define SERVER_PREFIX "WMServer/"
39 #define HEADER_PREFIX "data:application/vnd.ms.wms-hdr.asfv1;base64,"
40 #define EXTENSION_CMD "application/x-wms-extension-cmd"
43 gst_rtsp_wms_before_send (GstRTSPExtension * ext, GstRTSPMessage * request)
45 GstRTSPWMS *ctx = (GstRTSPWMS *) ext;
47 GST_DEBUG_OBJECT (ext, "before send");
49 switch (request->type_data.request.method) {
50 case GST_RTSP_OPTIONS:
52 /* activate ourselves with the first request */
63 gst_rtsp_wms_after_send (GstRTSPExtension * ext, GstRTSPMessage * req,
64 GstRTSPMessage * resp)
66 GstRTSPWMS *ctx = (GstRTSPWMS *) ext;
68 GST_DEBUG_OBJECT (ext, "after send");
70 switch (req->type_data.request.method) {
71 case GST_RTSP_OPTIONS:
75 gst_rtsp_message_get_header (resp, GST_RTSP_HDR_SERVER, &server, 0);
76 if (server && g_str_has_prefix (server, SERVER_PREFIX))
90 gst_rtsp_wms_parse_sdp (GstRTSPExtension * ext, GstSDPMessage * sdp,
93 const gchar *config, *maxps;
95 GstRTSPWMS *ctx = (GstRTSPWMS *) ext;
100 for (i = 0; (config = gst_sdp_message_get_attribute_val_n (sdp, "pgmpu", i));
102 if (g_str_has_prefix (config, HEADER_PREFIX)) {
103 config += strlen (HEADER_PREFIX);
104 gst_structure_set (props, "config", G_TYPE_STRING, config, NULL);
111 gst_structure_set (props, "config", G_TYPE_STRING, config, NULL);
113 maxps = gst_sdp_message_get_attribute_val (sdp, "maxps");
115 gst_structure_set (props, "maxps", G_TYPE_STRING, maxps, NULL);
117 gst_structure_set (props, "encoding-name", G_TYPE_STRING, "X-ASF-PF", NULL);
118 gst_structure_set (props, "media", G_TYPE_STRING, "application", NULL);
125 GST_DEBUG_OBJECT (ctx, "Could not find config SDP field, deactivating.");
132 gst_rtsp_wms_configure_stream (GstRTSPExtension * ext, GstCaps * caps)
136 const gchar *encoding;
138 ctx = (GstRTSPWMS *) ext;
139 s = gst_caps_get_structure (caps, 0);
140 encoding = gst_structure_get_string (s, "encoding-name");
145 GST_DEBUG_OBJECT (ctx, "%" GST_PTR_FORMAT " encoding-name: %s", caps,
148 /* rtx streams do not need to be configured */
149 if (!strcmp (encoding, "X-WMS-RTX"))
156 gst_rtsp_wms_receive_request (GstRTSPExtension * ext, GstRTSPMessage * request)
159 GstRTSPResult res = GST_RTSP_ENOTIMPL;
160 GstRTSPMessage response = { 0 };
162 ctx = (GstRTSPWMS *) ext;
164 GST_DEBUG_OBJECT (ext, "before send");
166 switch (request->type_data.request.method) {
167 case GST_RTSP_SET_PARAMETER:
169 gchar *content_type = NULL;
171 gst_rtsp_message_get_header (request, GST_RTSP_HDR_CONTENT_TYPE,
174 if (content_type && !g_ascii_strcasecmp (content_type, EXTENSION_CMD)) {
175 /* parse the command */
177 /* default implementation, send OK */
178 res = gst_rtsp_message_init_response (&response, GST_RTSP_STS_OK, "OK",
183 GST_DEBUG_OBJECT (ctx, "replying with OK");
186 if ((res = gst_rtsp_extension_send (ext, request, &response)) < 0)
204 static void gst_rtsp_wms_extension_init (gpointer g_iface, gpointer iface_data);
206 G_DEFINE_TYPE_WITH_CODE (GstRTSPWMS, gst_rtsp_wms, GST_TYPE_ELEMENT,
207 G_IMPLEMENT_INTERFACE (GST_TYPE_RTSP_EXTENSION,
208 gst_rtsp_wms_extension_init));
209 GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (rtspwms, "rtspwms", GST_RANK_SECONDARY,
210 GST_TYPE_RTSP_WMS, asf_element_init (plugin));
213 gst_rtsp_wms_class_init (GstRTSPWMSClass * g_class)
215 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
217 GST_DEBUG_CATEGORY_INIT (rtspwms_debug, "rtspwms", 0, "WMS RTSP extension");
219 gst_element_class_set_static_metadata (element_class, "WMS RTSP Extension",
220 "Network/Extension/Protocol",
221 "Extends RTSP so that it can handle WMS setup",
222 "Wim Taymans <wim.taymans@gmail.com>");
226 gst_rtsp_wms_init (GstRTSPWMS * rtspwms)
231 gst_rtsp_wms_extension_init (gpointer g_iface, gpointer iface_data)
233 GstRTSPExtensionInterface *iface = (GstRTSPExtensionInterface *) g_iface;
235 iface->parse_sdp = gst_rtsp_wms_parse_sdp;
236 iface->before_send = gst_rtsp_wms_before_send;
237 iface->after_send = gst_rtsp_wms_after_send;
238 iface->configure_stream = gst_rtsp_wms_configure_stream;
239 iface->receive_request = gst_rtsp_wms_receive_request;