gst/rtsp/: Use shiny new RTSP and SDP library.

Original commit message from CVS:
* gst/rtsp/Makefile.am:
* gst/rtsp/base64.c:
* gst/rtsp/base64.h:
* gst/rtsp/gstrtspext.c: (gst_rtsp_ext_list_filter),
(gst_rtsp_ext_list_init), (gst_rtsp_ext_list_get),
(gst_rtsp_ext_list_detect_server), (gst_rtsp_ext_list_before_send),
(gst_rtsp_ext_list_after_send), (gst_rtsp_ext_list_parse_sdp),
(gst_rtsp_ext_list_setup_media),
(gst_rtsp_ext_list_configure_stream),
(gst_rtsp_ext_list_get_transports),
(gst_rtsp_ext_list_stream_select):
* gst/rtsp/gstrtspext.h:
* gst/rtsp/gstrtspsrc.c: (gst_rtsp_lower_trans_get_type),
(gst_rtspsrc_class_init), (gst_rtspsrc_init),
(gst_rtspsrc_finalize), (gst_rtspsrc_create_stream),
(gst_rtspsrc_parse_rtpmap), (gst_rtspsrc_media_to_caps),
(gst_rtspsrc_flush), (gst_rtspsrc_do_seek),
(gst_rtspsrc_sink_chain), (gst_rtspsrc_stream_configure_manager),
(gst_rtspsrc_stream_configure_tcp),
(gst_rtspsrc_stream_configure_mcast),
(gst_rtspsrc_stream_configure_udp),
(gst_rtspsrc_stream_configure_udp_sink),
(gst_rtspsrc_stream_configure_transport),
(gst_rtspsrc_handle_request), (gst_rtspsrc_send_keep_alive),
(gst_rtspsrc_loop_interleaved), (gst_rtspsrc_loop_udp),
(gst_rtspsrc_loop_send_cmd), (gst_rtsp_auth_method_to_string),
(gst_rtspsrc_parse_auth_hdr), (gst_rtspsrc_setup_auth),
(gst_rtspsrc_try_send), (gst_rtspsrc_send),
(gst_rtspsrc_parse_methods),
(gst_rtspsrc_create_transports_string),
(gst_rtspsrc_prepare_transports), (gst_rtspsrc_setup_streams),
(gst_rtspsrc_parse_range), (gst_rtspsrc_open), (gst_rtspsrc_close),
(gst_rtspsrc_play), (gst_rtspsrc_pause),
(gst_rtspsrc_change_state), (gst_rtspsrc_uri_set_uri):
* gst/rtsp/gstrtspsrc.h:
* gst/rtsp/rtsp.h:
* gst/rtsp/rtspconnection.c:
* gst/rtsp/rtspconnection.h:
* gst/rtsp/rtspdefs.c:
* gst/rtsp/rtspdefs.h:
* gst/rtsp/rtspext.h:
* gst/rtsp/rtspextwms.c:
* gst/rtsp/rtspextwms.h:
* gst/rtsp/rtspmessage.c:
* gst/rtsp/rtspmessage.h:
* gst/rtsp/rtsprange.c:
* gst/rtsp/rtsprange.h:
* gst/rtsp/rtsptransport.c:
* gst/rtsp/rtsptransport.h:
* gst/rtsp/rtspurl.c:
* gst/rtsp/rtspurl.h:
* gst/rtsp/sdp.h:
* gst/rtsp/sdpmessage.c:
* gst/rtsp/sdpmessage.h:
* gst/rtsp/test.c:
Use shiny new RTSP and SDP library.
Implement RTSP extensions using the new interface.
Remove a lot of old code.

1 files changed, 216 insertions, 0 deletions

diff --git a/gst/rtsp/gstrtspext.c b/gst/rtsp/gstrtspext.c
new file mode 100644
index 00000000..505a6197
--- /dev/null
+++ b/gst/rtsp/gstrtspext.c
@@ -0,0 +1,216 @@
+/* GStreamer
+ * Copyright (C) <2006> Wim Taymans <wim@fluendo.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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.
+ */
+/*
+ * Unless otherwise indicated, Source Code is licensed under MIT license.
+ * See further explanation attached in License Statement (distributed in the file
+ * LICENSE).
+ *
+ * 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 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.
+ */
+
+#include "gstrtspext.h"
+
+GST_DEBUG_CATEGORY_STATIC (rtspext_debug);
+#define GST_CAT_DEFAULT (rtspext_debug)
+
+static GList *extensions;
+
+static gboolean
+gst_rtsp_ext_list_filter (GstPluginFeature * feature, gpointer user_data)
+{
+  GstElementFactory *factory;
+
+  /* we only care about element factories */
+  if (!GST_IS_ELEMENT_FACTORY (feature))
+    return FALSE;
+
+  factory = GST_ELEMENT_FACTORY (feature);
+
+  if (!gst_element_factory_has_interface (factory, "GstRTSPExtension"))
+    return FALSE;
+
+  return TRUE;
+}
+
+void
+gst_rtsp_ext_list_init (void)
+{
+  GST_DEBUG_CATEGORY_INIT (rtspext_debug, "rtspext", 0, "RTSP extension");
+
+  /* get a list of all extensions */
+  extensions = gst_registry_feature_filter (gst_registry_get_default (),
+      (GstPluginFeatureFilter) gst_rtsp_ext_list_filter, FALSE, NULL);
+}
+
+GstRTSPExtensionList *
+gst_rtsp_ext_list_get (void)
+{
+  GstRTSPExtensionList *result;
+  GList *walk;
+
+  result = g_new0 (GstRTSPExtensionList, 1);
+
+  for (walk = extensions; walk; walk = g_list_next (walk)) {
+    GstElementFactory *factory = GST_ELEMENT_FACTORY (walk->data);
+    GstElement *element;
+
+    element = gst_element_factory_create (factory, NULL);
+    if (!element) {
+      GST_ERROR ("could not create extension instance");
+      continue;
+    }
+
+    GST_DEBUG ("added extension interface for '%s'",
+        GST_ELEMENT_NAME (element));
+    result->extensions = g_list_prepend (result->extensions, element);
+  }
+  return result;
+}
+
+gboolean
+gst_rtsp_ext_list_detect_server (GstRTSPExtensionList * ext,
+    GstRTSPMessage * resp)
+{
+  GList *walk;
+  gboolean res = TRUE;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_detect_server (elem, resp);
+  }
+  return res;
+}
+
+GstRTSPResult
+gst_rtsp_ext_list_before_send (GstRTSPExtensionList * ext, GstRTSPMessage * req)
+{
+  GList *walk;
+  GstRTSPResult res = GST_RTSP_OK;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_before_send (elem, req);
+  }
+  return res;
+}
+
+GstRTSPResult
+gst_rtsp_ext_list_after_send (GstRTSPExtensionList * ext, GstRTSPMessage * req,
+    GstRTSPMessage * resp)
+{
+  GList *walk;
+  GstRTSPResult res = GST_RTSP_OK;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_after_send (elem, req, resp);
+  }
+  return res;
+}
+
+GstRTSPResult
+gst_rtsp_ext_list_parse_sdp (GstRTSPExtensionList * ext, GstSDPMessage * sdp,
+    GstStructure * s)
+{
+  GList *walk;
+  GstRTSPResult res = GST_RTSP_OK;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_parse_sdp (elem, sdp, s);
+  }
+  return res;
+}
+
+GstRTSPResult
+gst_rtsp_ext_list_setup_media (GstRTSPExtensionList * ext, GstSDPMedia * media)
+{
+  GList *walk;
+  GstRTSPResult res = GST_RTSP_OK;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_setup_media (elem, media);
+  }
+  return res;
+}
+
+gboolean
+gst_rtsp_ext_list_configure_stream (GstRTSPExtensionList * ext, GstCaps * caps)
+{
+  GList *walk;
+  gboolean res = TRUE;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_configure_stream (elem, caps);
+  }
+  return res;
+}
+
+GstRTSPResult
+gst_rtsp_ext_list_get_transports (GstRTSPExtensionList * ext,
+    GstRTSPLowerTrans protocols, gchar ** transport)
+{
+  GList *walk;
+  GstRTSPResult res = GST_RTSP_OK;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_get_transports (elem, protocols, transport);
+  }
+  return res;
+}
+
+GstRTSPResult
+gst_rtsp_ext_list_stream_select (GstRTSPExtensionList * ext)
+{
+  GList *walk;
+  GstRTSPResult res = GST_RTSP_OK;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    res = gst_rtsp_extension_stream_select (elem);
+  }
+  return res;
+}