Wiki > Main > WavpackHybridSupport (compare)
Difference: WavpackHybridSupport (r4 vs. r3)
The Wavpack audio codec supports an unusual "hybrid" compression mode. In this mode, a traditional lossy file is complemented by a "correction" file. When the two are decoded together, the original input bitstream can be recreated exactly. The lossy file may also be decoded on its own.
Rockbox currently handles lossy files but ignores the correction files.
Decoding of stereo hybrid lossless files functions off-target. The patch is at http://q3q.us/hybrid2.patch . This does NOT run on a device; use http://q3q.us/codec-executor.tar.bz2 to run the codec! Currently modifying Rockbox buffering code to handle more than one file at a time.
Decoding on-target works via a modification to the buffering system at http://q3q.us/buffer.patch . This will NOT play nice with other files and is not ready for general consumption.
Currently fixing buffering code interactions to avoid data corruption
r5 - 17 Aug 2009 - 19:39:36 - BryanJacobsRevision r4 - 28 Jun 2009 - 00:24 - BryanJacobs
Revision r3 - 20 Jun 2009 - 23:56 - BryanJacobs
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