[Bug 709826] New: mpegtsmux: performance issue

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=709826
  GStreamer | gst-plugins-bad | git

           Summary: mpegtsmux: performance issue
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: bilboed at bilboed.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=256917)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=256917)
callgrind graph of mpegtsmux usage

mpegtsmux does a lot of allocation, mapping and adapter usage.

Ideally it should introduce very little overhead (it doesn't even need to read
the input data, just mux it).

right now it uses ~80000 cpu instructions per incoming buffer.

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