[Bug 735832] New: flacdec: merge small decoded audio buffers

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=735832
  GStreamer | gst-plugins-good | git

           Summary: flacdec: merge small decoded audio buffers
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: vincent.penquerch at collabora.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=285041)
 View: https://bugzilla.gnome.org/attachment.cgi?id=285041
 Review: https://bugzilla.gnome.org/review?bug=735832&attachment=285041

flacdec: merge small decoded audio buffers

FLAC files with high bitrate and small block sizes cause large amounts of data
to be sent in small buffers, causing unnecessary CPU use.
This patch merges decoded output if the buffers are less than 20 ms (hardcoded
here).

It breaks the expectation that there is a buffer out for a buffer in, however,
which may be unwanted.

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