docs/design/: Small updates.

Original commit message from CVS:
* docs/design/part-TODO.txt:
* docs/design/part-segments.txt:
* docs/design/part-streams.txt:
Small updates.

ChangeLog

@@ -1,3 +1,10 @@
+2007-10-22  Wim Taymans  <wim.taymans@gmail.com>
+
+	* docs/design/part-TODO.txt:
+	* docs/design/part-segments.txt:
+	* docs/design/part-streams.txt:
+	Small updates.
+
 2007-10-22  Edgard Lima  <edgard.lima@indt.org.br>
 
 	* docs/gst/gstreamer-sections.txt:

docs/design/part-TODO.txt

@@ -50,6 +50,14 @@ API/ABI
   to PAUSED or READY is different in that we can avoid sending the useless
   PAUSED request).
 
+- Make serialisation of structures more consistent, readable and nicer code-wise.
+
+- When a seekable live source does a flushing seek, it needs a new base_time to
+  timestamp new data. The pipeline however does not know that there is a live
+  source in the pipeline and thus does not select a new base_time automatically.
+  There needs to be a mechanism for a live source to request a new base_time or
+  pipeline restart.
+
 
 IMPLEMENTATION
 --------------

docs/design/part-segments.txt

@@ -93,7 +93,6 @@ Use case: live stream
 Use case: segment looping
 -------------------------
 
-
   Consider the case of a wav file with raw audio.
 
     filesrc ! wavparse ! alsasink

docs/design/part-streams.txt

@@ -51,8 +51,8 @@ Typical stream
          else
            running_time = (NS.stop - B.timestamp) / NS.abs_rate + NS.accum
 
-        * used to synchronize against the clock (See also
-	  part-synchronisation.txt).
+        * a monotonically increasing value that can be used to synchronize 
+	  against the clock (See also part-synchronisation.txt).
 
      - stream_time:
 
@@ -61,6 +61,8 @@ Typical stream
         * current position in stream between 0 and duration.
 
   3) EOS
-     - marks the end of data, nothing is to be expected after EOS
+     - marks the end of data, nothing is to be expected after EOS, elements
+       should refuse more data and return GST_FLOW_UNEXPECTED. A FLUSH_STOP
+       event clears the EOS state of an element.