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7f88043553
Original commit message from CVS: * gst/rtsp/gstrtspgoogle.c: Things that can happen when your brain is in google mode trying to deal with their google rtsp server extensions and trying to type your google mail account.
211 lines
5.3 KiB
C
211 lines
5.3 KiB
C
/* GStreamer
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* Copyright (C) <2008> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* Element-Checklist-Version: 5 */
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/**
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* SECTION:element-rtspgoogle
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*
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* A Google RTSP extension
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*
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* Last reviewed on 2008-08-20 (0.10.10)
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*/
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#include <string.h>
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#include <gst/rtsp/gstrtspextension.h>
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#include "gstrtspgoogle.h"
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GST_DEBUG_CATEGORY_STATIC (rtspgoogle_debug);
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#define GST_CAT_DEFAULT (rtspgoogle_debug)
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/* elementfactory information */
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static const GstElementDetails rtspgoogle_details =
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GST_ELEMENT_DETAILS ("Google RTSP Extension",
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"Network/Extension/Protocol",
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"Extends RTSP so that it can handle Google setup",
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"Wim Taymans <wim.taymans@gmail.com>");
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#define SERVER_PREFIX "Google RTSP"
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static GstRTSPResult
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gst_rtsp_google_before_send (GstRTSPExtension * ext, GstRTSPMessage * request)
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{
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GstRTSPGoogle *ctx = (GstRTSPGoogle *) ext;
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GST_DEBUG_OBJECT (ext, "before send");
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switch (request->type_data.request.method) {
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case GST_RTSP_OPTIONS:
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{
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/* activate ourselves with the first request */
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ctx->active = TRUE;
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break;
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}
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default:
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break;
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}
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return GST_RTSP_OK;
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}
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static GstRTSPResult
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gst_rtsp_google_after_send (GstRTSPExtension * ext, GstRTSPMessage * req,
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GstRTSPMessage * resp)
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{
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GstRTSPGoogle *ctx = (GstRTSPGoogle *) ext;
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GST_DEBUG_OBJECT (ext, "after send");
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switch (req->type_data.request.method) {
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case GST_RTSP_OPTIONS:
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{
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gchar *server = NULL;
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gst_rtsp_message_get_header (resp, GST_RTSP_HDR_SERVER, &server, 0);
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if (server && g_str_has_prefix (server, SERVER_PREFIX))
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ctx->active = TRUE;
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else
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ctx->active = FALSE;
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break;
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}
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default:
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break;
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}
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return GST_RTSP_OK;
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}
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static GstRTSPResult
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gst_rtsp_google_get_transports (GstRTSPExtension * ext,
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GstRTSPLowerTrans protocols, gchar ** transport)
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{
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GstRTSPResult res;
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GstRTSPGoogle *ctx = (GstRTSPGoogle *) ext;
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GString *result;
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if (!ctx->active)
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return GST_RTSP_OK;
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/* always only suggest UDP */
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if (protocols & GST_RTSP_LOWER_TRANS_UDP) {
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result = g_string_new ("");
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GST_DEBUG_OBJECT (ext, "adding UDP unicast");
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g_string_append (result, "RTP/AVP");
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g_string_append (result, ";unicast;client_port=%%u1-%%u2");
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*transport = g_string_free (result, FALSE);
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res = GST_RTSP_OK;
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} else {
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res = GST_RTSP_ERROR;
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}
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return res;
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}
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static void gst_rtsp_google_finalize (GObject * object);
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static GstStateChangeReturn gst_rtsp_google_change_state (GstElement * element,
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GstStateChange transition);
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static void gst_rtsp_google_extension_init (gpointer g_iface,
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gpointer iface_data);
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static void
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_do_init (GType rtspgoogle_type)
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{
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static const GInterfaceInfo rtspextension_info = {
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gst_rtsp_google_extension_init,
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NULL,
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NULL
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};
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g_type_add_interface_static (rtspgoogle_type, GST_TYPE_RTSP_EXTENSION,
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&rtspextension_info);
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}
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GST_BOILERPLATE_FULL (GstRTSPGoogle, gst_rtsp_google, GstElement,
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GST_TYPE_ELEMENT, _do_init);
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static void
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gst_rtsp_google_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_set_details (element_class, &rtspgoogle_details);
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}
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static void
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gst_rtsp_google_class_init (GstRTSPGoogleClass * g_class)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstRTSPGoogleClass *klass;
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klass = (GstRTSPGoogleClass *) g_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gobject_class->finalize = gst_rtsp_google_finalize;
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_rtsp_google_change_state);
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GST_DEBUG_CATEGORY_INIT (rtspgoogle_debug, "rtspgoogle", 0,
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"Google RTSP extension");
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}
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static void
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gst_rtsp_google_init (GstRTSPGoogle * rtspgoogle, GstRTSPGoogleClass * klass)
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{
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}
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static void
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gst_rtsp_google_finalize (GObject * object)
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{
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GstRTSPGoogle *rtspgoogle;
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rtspgoogle = GST_RTSP_GOOGLE (object);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GstStateChangeReturn
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gst_rtsp_google_change_state (GstElement * element, GstStateChange transition)
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{
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GstStateChangeReturn ret;
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GstRTSPGoogle *rtspgoogle;
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rtspgoogle = GST_RTSP_GOOGLE (element);
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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return ret;
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}
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static void
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gst_rtsp_google_extension_init (gpointer g_iface, gpointer iface_data)
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{
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GstRTSPExtensionInterface *iface = (GstRTSPExtensionInterface *) g_iface;
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iface->before_send = gst_rtsp_google_before_send;
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iface->after_send = gst_rtsp_google_after_send;
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iface->get_transports = gst_rtsp_google_get_transports;
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}
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