[gstreamer-bugs] [Bug 580470] [audioresample] causes pipelines to go out of sync and becomes noticable after 10 minutes

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-base | Ver: git




------- Comment #9 from Jan Schmidt  2009-05-01 13:32 UTC -------
Created an attachment (id=133729)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=133729&action=view)
patch for audioresample drift

Thanks for the test file.

It looks like the problem is from losing samples when doing non-integral
resample ratios - in this case 44100/48000. Attaching a patch that fixes this
the same way legacyresample did - by always allocating the output buffer with
space for an extra sample, and shrinking the GST_BUFFER_SIZE when it isn't
used. I haven't been able to find any problems with this patch - and the rest
of audioresample seems already set up to support it.


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