--- /dev/null
+/* GStreamer RTSP extension
+ * Copyright (C) 2007 Wim Taymans <wim.taymans@gmail.com>
+ *
+ * gstrtspextension.c: RTSP extension mechanism
+ *
+ * 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.
+ */
+
+/**
+ * SECTION:gstrtspextension
+ * @short_description: Interface for extending RTSP protocols
+ *
+ * <refsect2>
+ * <para>
+ * This interface is implemented e.g. by the Windows Media Streaming RTSP
+ * exentension (rtspwms) and the RealMedia RTSP extension (rtspreal).
+ * </para>
+ * </refsect2>
+ *
+ * Last reviewed on 2007-07-25 (0.10.14)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstrtsp-marshal.h"
+#include "gstrtsp-enumtypes.h"
+#include "gstrtspextension.h"
+
+static void gst_rtsp_extension_iface_init (GstRTSPExtension * iface);
+
+enum
+{
+ SIGNAL_SEND,
+ LAST_SIGNAL
+};
+
+static guint gst_rtsp_extension_signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_rtsp_extension_get_type (void)
+{
+ static volatile gsize gst_rtsp_extension_type = 0;
+ static const GTypeInfo gst_rtsp_extension_info = {
+ sizeof (GstRTSPExtensionInterface),
+ (GBaseInitFunc) gst_rtsp_extension_iface_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ if (g_once_init_enter (&gst_rtsp_extension_type)) {
+ GType tmp = g_type_register_static (G_TYPE_INTERFACE,
+ "GstRTSPExtension", &gst_rtsp_extension_info, 0);
+ g_once_init_leave (&gst_rtsp_extension_type, tmp);
+ }
+ return (GType) gst_rtsp_extension_type;
+}
+
+static void
+gst_rtsp_extension_iface_init (GstRTSPExtension * iface)
+{
+ static gboolean initialized = FALSE;
+
+ if (!initialized) {
+ gst_rtsp_extension_signals[SIGNAL_SEND] =
+ g_signal_new ("send", G_TYPE_FROM_CLASS (iface),
+ G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRTSPExtensionInterface,
+ send), NULL, NULL, __gst_rtsp_marshal_ENUM__POINTER_POINTER,
+ GST_TYPE_RTSP_RESULT, 2, G_TYPE_POINTER, G_TYPE_POINTER);
+ initialized = TRUE;
+ }
+}
+
+gboolean
+gst_rtsp_extension_detect_server (GstRTSPExtension * ext, GstRTSPMessage * resp)
+{
+ GstRTSPExtensionInterface *iface;
+ gboolean res = TRUE;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->detect_server)
+ res = iface->detect_server (ext, resp);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_before_send (GstRTSPExtension * ext, GstRTSPMessage * req)
+{
+ GstRTSPExtensionInterface *iface;
+ GstRTSPResult res = GST_RTSP_OK;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->before_send)
+ res = iface->before_send (ext, req);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_after_send (GstRTSPExtension * ext, GstRTSPMessage * req,
+ GstRTSPMessage * resp)
+{
+ GstRTSPExtensionInterface *iface;
+ GstRTSPResult res = GST_RTSP_OK;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->after_send)
+ res = iface->after_send (ext, req, resp);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_parse_sdp (GstRTSPExtension * ext, GstSDPMessage * sdp,
+ GstStructure * s)
+{
+ GstRTSPExtensionInterface *iface;
+ GstRTSPResult res = GST_RTSP_OK;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->parse_sdp)
+ res = iface->parse_sdp (ext, sdp, s);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_setup_media (GstRTSPExtension * ext, GstSDPMedia * media)
+{
+ GstRTSPExtensionInterface *iface;
+ GstRTSPResult res = GST_RTSP_OK;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->setup_media)
+ res = iface->setup_media (ext, media);
+
+ return res;
+}
+
+gboolean
+gst_rtsp_extension_configure_stream (GstRTSPExtension * ext, GstCaps * caps)
+{
+ GstRTSPExtensionInterface *iface;
+ gboolean res = TRUE;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->configure_stream)
+ res = iface->configure_stream (ext, caps);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_get_transports (GstRTSPExtension * ext,
+ GstRTSPLowerTrans protocols, gchar ** transport)
+{
+ GstRTSPExtensionInterface *iface;
+ GstRTSPResult res = GST_RTSP_OK;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->get_transports)
+ res = iface->get_transports (ext, protocols, transport);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_stream_select (GstRTSPExtension * ext, GstRTSPUrl * url)
+{
+ GstRTSPExtensionInterface *iface;
+ GstRTSPResult res = GST_RTSP_OK;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->stream_select)
+ res = iface->stream_select (ext, url);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_receive_request (GstRTSPExtension * ext,
+ GstRTSPMessage * msg)
+{
+ GstRTSPExtensionInterface *iface;
+ GstRTSPResult res = GST_RTSP_ENOTIMPL;
+
+ iface = GST_RTSP_EXTENSION_GET_IFACE (ext);
+ if (iface->receive_request)
+ res = iface->receive_request (ext, msg);
+
+ return res;
+}
+
+GstRTSPResult
+gst_rtsp_extension_send (GstRTSPExtension * ext, GstRTSPMessage * req,
+ GstRTSPMessage * resp)
+{
+ GstRTSPResult res = GST_RTSP_OK;
+
+ g_signal_emit (ext, gst_rtsp_extension_signals[SIGNAL_SEND], 0,
+ req, resp, &res);
+
+ return res;
+}
projects / mafwsubrenderer / blobdiff