[libav-bugs] [Bug 233] New: Add DSD/DIFF decoding

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Mon Feb 20 17:39:38 CET 2012


https://bugzilla.libav.org/show_bug.cgi?id=233

           Summary: Add DSD/DIFF decoding
           Product: Libav
           Version: git HEAD
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: general
        AssignedTo: bugzilla at libav.org
        ReportedBy: damianhuckle at hotmail.com


Codec addition to allow decoding of DSD/DSDiff streams.

I am a member of Team-XBMC hoping to have the above decoder added to LibAv.

Have obtained permission from the author of foo_sacd plugin to use/port his
code (sources here: http://sourceforge.net/projects/sacddecoder/files/)

A 10-sec sample file in .dff format has been uploaded to: /incoming/DSD
Sample/The_Police_-_Roxanne_10sec_DSD_Sample.dff

Playback of (especially DST-compressed) DSD data is extremely processor
intensive, optimization via SIMD or GPU required for smooth playback on
low-spec systems.

Existing code linked reads .ISO & .DFF files, extracts track list & meta-data,
plays DSD stream via ASIO, and decodes to PCM for universal playback.

Existing code open-source under GPL et al, authors permission forwarded on
request.

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