[gstreamer-bugs] [Bug 558250] New: [audioconvert] Doesn't negotiate optimal caps

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-base | Ver: HEAD CVS
           Summary: [audioconvert] Doesn't negotiate optimal caps
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: slomo at circular-chaos.org
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Hi,
audioconvert sometimes doesn't negotiate the optimal caps:

gst-launch-0.10 -v audiotestsrc num-buffers=1 ! audioconvert !
"audio/x-raw-int,endianness=little_endian,width=16,depth=16" ! audioconvert !
"audio/x-raw-int,endianness=big_endian,width=(int){32,24,16,8}" ! fakesink
silent=true


This example creates width=32 at the sink while width=16 would be better and
without any loss.

audioconvert should prefer (if just endianness differs) the same format as the
input or at least the format with the least increase of size. Same goes for
other conversions where audioconvert can even increase the depth although this
is not necessary.


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