--- xine-lib/src/xine-engine/xine.c	2006-09-26 01:11:19.000000000 +0200
+++ xine-lib-vdr.2006-10-08/src/xine-engine/xine.c	2006-10-08 21:12:41.000000000 +0200
@@ -2017,3 +2017,89 @@
   slave->master = master->master;
   return 1;
 }
+
+int _x_continue_stream_processing(xine_stream_t *stream)
+{
+  return stream->status != XINE_STATUS_STOP
+    && stream->status != XINE_STATUS_QUIT;
+}
+
+void _x_trigger_relaxed_frame_drop_mode(xine_stream_t *stream)
+{
+  stream->first_frame_flag = 2;
+}
+
+void _x_reset_relaxed_frame_drop_mode(xine_stream_t *stream)
+{
+  stream->first_frame_flag = 1;
+}
+
+void _x_query_buffer_usage(xine_stream_t *stream, int *num_video_buffers, int *num_audio_buffers, int *num_video_frames, int *num_audio_frames)
+{
+  stream->xine->port_ticket->acquire(stream->xine->port_ticket, 0);
+
+  if (num_video_buffers)
+    *num_video_buffers = (stream->video_fifo ? stream->video_fifo->size(stream->video_fifo) : 0);
+    
+  if (num_audio_buffers)
+    *num_audio_buffers = (stream->audio_fifo ? stream->audio_fifo->size(stream->audio_fifo) : 0);
+    
+  if (num_video_frames)
+    *num_video_frames = (stream->video_out ? stream->video_out->get_property(stream->video_out, VO_PROP_BUFS_IN_FIFO) : 0);
+
+  if (num_audio_frames)
+    *num_audio_frames = (stream->audio_out ? stream->audio_out->get_property(stream->audio_out, AO_PROP_BUFS_IN_FIFO) : 0);
+
+  stream->xine->port_ticket->release(stream->xine->port_ticket, 0);
+}
+
+int _x_query_unprocessed_osd_events(xine_stream_t *stream)
+{
+  video_overlay_manager_t *ovl;
+  int redraw_needed;
+  
+  stream->xine->port_ticket->acquire(stream->xine->port_ticket, 0);
+
+  ovl = stream->video_out->get_overlay_manager(stream->video_out);
+  redraw_needed = ovl->redraw_needed(ovl, 0);
+ 
+  if (redraw_needed) 
+    stream->video_out->trigger_drawing(stream->video_out);
+
+  stream->xine->port_ticket->release(stream->xine->port_ticket, 0);
+
+  return redraw_needed;
+}
+
+int _x_demux_seek(xine_stream_t *stream, off_t start_pos, int start_time, int playing)
+{
+  return stream->demux_plugin->seek(stream->demux_plugin, start_pos, start_time, playing);
+}
+
+int _x_lock_frontend(xine_stream_t *stream, int ms_to_time_out)
+{
+  if (ms_to_time_out >= 0) {
+    struct timespec abstime;
+
+    struct timeval now;
+    gettimeofday(&now, 0);
+
+    abstime.tv_sec = now.tv_sec + ms_to_time_out / 1000;
+    abstime.tv_nsec = now.tv_usec * 1000 + (ms_to_time_out % 1000) * 1e6;
+
+    if (abstime.tv_nsec > 1e9) {
+      abstime.tv_nsec -= 1e9;
+      abstime.tv_sec++;
+    }
+
+    return (0 == pthread_mutex_timedlock(&stream->frontend_lock, &abstime));
+  }
+
+  pthread_mutex_lock(&stream->frontend_lock);
+  return 1;
+}
+
+void _x_unlock_frontend(xine_stream_t *stream)
+{
+  pthread_mutex_unlock(&stream->frontend_lock);
+}
--- xine-lib/src/xine-engine/xine_internal.h	2006-10-02 17:56:06.000000000 +0200
+++ xine-lib-vdr.2006-10-08/src/xine-engine/xine_internal.h	2006-10-08 21:47:04.000000000 +0200
@@ -356,6 +356,15 @@
  * private function prototypes:
  */
 
+int _x_continue_stream_processing(xine_stream_t *stream) XINE_PROTECTED;
+void _x_trigger_relaxed_frame_drop_mode(xine_stream_t *stream) XINE_PROTECTED;
+void _x_reset_relaxed_frame_drop_mode(xine_stream_t *stream) XINE_PROTECTED;
+void _x_query_buffer_usage(xine_stream_t *stream, int *num_video_buffers, int *num_audio_buffers, int *num_video_frames, int *num_audio_frames) XINE_PROTECTED;
+int _x_query_unprocessed_osd_events(xine_stream_t *stream) XINE_PROTECTED;
+int _x_demux_seek(xine_stream_t *stream, off_t start_pos, int start_time, int playing) XINE_PROTECTED;
+int _x_lock_frontend(xine_stream_t *stream, int ms_to_time_out) XINE_PROTECTED;
+void _x_unlock_frontend(xine_stream_t *stream) XINE_PROTECTED;
+
 void _x_handle_stream_end      (xine_stream_t *stream, int non_user) XINE_PROTECTED;
 
 /* report message to UI. usually these are async errors */