[gstreamer-bugs] [Bug 350900] New: [adder] should not clamp floating point values

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-plugins-base | Ver: HEAD CVS

           Summary: [adder] should not clamp floating point values
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: mail at renestadler.de
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Currently, the adder element clamps sample values of floating point formats to
the range [-1.0; 1.0] (-0dB).  This is incorrect: It might be perfectly
possible to handle values exceeding -0dB in the pipeline.  Most probably by
using a compressor/limiter element of choice, which would give a more desired
result than just clipping, as it is currently done (implicitely).  If
application developers do indeed just want to let it clip, the audioconvert
element will just do it as part of the conversion to an integer format.  In no
way should the adder element do the clipping on its own.


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