[Bug 779860] New: alsa: use pow for performance

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=779860

            Bug ID: 779860
           Summary: alsa: use pow for performance
    Classification: Platform
           Product: GStreamer
           Version: 1.10.4
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: marc.leeman at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 347645
  --> https://bugzilla.gnome.org/attachment.cgi?id=347645&action=edit
Constrain buffer_size and period_size to be a power of 2 (for  armhf and
DAVINCI pcm driver)

use a pow2 buffer size to fix high cpu load for alsa on armhf archs.

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