[Bug 636245] [riff] For ADPCM codecs the average bitrate should be calculated instead of trusting the format header

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue May 7 06:02:05 PDT 2013


https://bugzilla.gnome.org/show_bug.cgi?id=636245
  GStreamer | gst-plugins-base | git

Sebastian Dröge <slomo> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |slomo at circular-chaos.org
         Resolution|                            |FIXED
   Target Milestone|HEAD                        |1.0.8

--- Comment #5 from Sebastian Dröge <slomo at circular-chaos.org> 2013-05-07 13:02:02 UTC ---
commit 6f9006c9b9753f47733ea17f803a63ea5a1500ef
Author: Julien Moutte <julien at moutte.net>
Date:   Tue May 7 15:00:05 2013 +0200

    riff: Manually calculate bitrate of ADPCM streams

    Some ADPCM encoding tools like Oxelon generate WAV files with
    wrong format header declaring an invalid bitrate.

    As wavparse uses the average bitrate to calculate timestamps
    and duration the decoder can be confused by receiving timestamps
    completely out of sync with the decoded samples.

    ADPCM is a CBR audio codec so we can calculate the average bitrate
    instead of trusting the format header.

    https://bugzilla.gnome.org/show_bug.cgi?id=636245

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