1 files changed, 100 insertions, 0 deletions
diff --git a/gst/rtsp-server/rtsp-onvif-client.c b/gst/rtsp-server/rtsp-onvif-client.c
new file mode 100644
index 0000000..2fb50fa
--- /dev/null
+++ b/gst/rtsp-server/rtsp-onvif-client.c
@@ -0,0 +1,100 @@
+/* GStreamer
+ * Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "rtsp-onvif-client.h"
+#include "rtsp-onvif-server.h"
+#include "rtsp-onvif-media-factory.h"
+
+G_DEFINE_TYPE (GstRTSPOnvifClient, gst_rtsp_onvif_client, GST_TYPE_RTSP_CLIENT);
+
+static gchar *
+gst_rtsp_onvif_client_check_requirements (GstRTSPClient * client,
+    GstRTSPContext * ctx, gchar ** requirements)
+{
+  GstRTSPMountPoints *mount_points = NULL;
+  GstRTSPMediaFactory *factory = NULL;
+  gchar *path = NULL;
+  gboolean has_backchannel = FALSE;
+  GString *unsupported = g_string_new ("");
+
+  while (*requirements) {
+    if (strcmp (*requirements, GST_RTSP_ONVIF_BACKCHANNEL_REQUIREMENT) == 0) {
+      has_backchannel = TRUE;
+    } else {
+      if (unsupported->len)
+        g_string_append (unsupported, ", ");
+      g_string_append (unsupported, *requirements);
+    }
+    requirements++;
+  }
+
+  if (unsupported->len)
+    goto out;
+
+  mount_points = gst_rtsp_client_get_mount_points (client);
+  if (!(path = gst_rtsp_mount_points_make_path (mount_points, ctx->uri)))
+    goto out;
+
+  if (!(factory = gst_rtsp_mount_points_match (mount_points, path, NULL)))
+    goto out;
+
+  if (has_backchannel && !GST_IS_RTSP_ONVIF_MEDIA_FACTORY (factory)) {
+    if (unsupported->len)
+      g_string_append (unsupported, ", ");
+    g_string_append (unsupported, GST_RTSP_ONVIF_BACKCHANNEL_REQUIREMENT);
+  } else if (has_backchannel) {
+    GstRTSPOnvifMediaFactory *onvif_factory =
+        GST_RTSP_ONVIF_MEDIA_FACTORY (factory);
+
+    if (!gst_rtsp_onvif_media_factory_has_backchannel_support (onvif_factory)) {
+      if (unsupported->len)
+        g_string_append (unsupported, ", ");
+      g_string_append (unsupported, GST_RTSP_ONVIF_BACKCHANNEL_REQUIREMENT);
+    }
+  }
+
+out:
+  if (path)
+    g_free (path);
+  if (factory)
+    g_object_unref (factory);
+  if (mount_points)
+    g_object_unref (mount_points);
+
+  return g_string_free (unsupported, FALSE);
+}
+
+static void
+gst_rtsp_onvif_client_class_init (GstRTSPOnvifClientClass * klass)
+{
+  GstRTSPClientClass *client_klass = (GstRTSPClientClass *) klass;
+
+  client_klass->check_requirements = gst_rtsp_onvif_client_check_requirements;
+}
+
+static void
+gst_rtsp_onvif_client_init (GstRTSPOnvifClient * client)
+{
+}