[gstreamer-bugs] [Bug 500143] Some small improvements (limiting realloc and CPU usage )

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: HEAD CVS

Tim-Philipp Müller changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |t.i.m at zen.co.uk
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|HEAD                        |0.10.16




------- Comment #6 from Tim-Philipp Müller  2008-01-09 16:40 UTC -------
 2008-01-09  Tim-Philipp Müller  <tim at centricular dot net>

        * gst/gst_private.h: (STRUCTURE_ESTIMATED_STRING_LEN):
        * gst/gstcaps.c: (gst_caps_to_string):
        * gst/gststructure.c: (GST_ASCII_IS_STRING),
          (priv_gst_structure_append_to_gstring), (gst_structure_to_string):
          Yet another gratuitous GString micro-optimisation: add a (private)
          function that serialises a structure appending to an existing
          GString, so that when we serialise caps we don't need to alloc+free
          a throwaway GString for each structure (each of which also entailing
          multiple reallocs on the way); also use g_string_sized_new() in
          various places with an approximate string length to avoid reallocs
          within GString. See #500143.

 2007-12-28  Tim-Philipp Müller  <tim at centricular dot net>

        Based on patch by: Laurent Glayal  <spglegle yahoo fr>

        * gst/gstvalue.c: (gst_value_is_fixed):
          Optimisation: bail out of the loop as early as possible (#500143).


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