[gstreamer-bugs] [Bug 459862] typefinding coud be more efficient

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: HEAD CVS

Stefan Kost (gstreamer, gtkdoc dev) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|gstreamer-                  |ensonic at sonicpulse.de
                   |bugs at lists.sourceforge.net  |
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1




------- Comment #1 from Stefan Kost (gstreamer, gtkdoc dev)  2007-07-24 11:12 UTC -------
Created an attachment (id=92265)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=92265&action=view)
cleanup and performance improvment or typefinding

At first the patch unifies the code of buffer and stream typefinding. Then it
tries to handle common scenarios a bit more intelligently. I left some
defugging code commented out in helper_find_peek() - will remove for final
commit.

cd ~/projects/gstreamer.portfwd/gst-media-test/nokia/bugdata
time gst-typefind >/dev/null 2>&1 * */*
1773 files

= before =

real    0m4.529s
user    0m3.940s
sys     0m0.528s

= after =

real    0m3.495s
user    0m2.884s
sys     0m0.168s

= using file =
time file >/dev/null 2>&1 * */*

real    0m12.793s
user    0m0.544s
sys     0m0.276s


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