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Bug 1065736 - Lossy lossless compression in hybrid mode
Summary: Lossy lossless compression in hybrid mode
Alias: None
Product: Fedora
Classification: Fedora
Component: wavpack
Version: 20
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Peter Lemenkov
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2014-02-16 13:28 UTC by František Dvořák
Modified: 2014-03-06 08:08 UTC (History)
3 users (show)

Fixed In Version: wavpack-4.70.0-1.fc19
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2014-02-23 08:37:33 UTC

Attachments (Terms of Use)

Description František Dvořák 2014-02-16 13:28:34 UTC
Description of problem:

wavpack codec supports correction file for hybrid mode, which can be used for fully restoring the original wave data. With options "-bXXXX -c" though, the wave data differs after coding and decoding.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
0. # have 1.wav sound file
1. wavpack -b24 -c 1.wav -o 2.wv
2. wvunpack 2.wv
3. cmp 2.wav 1.wav && echo OK || echo FAIL

Actual results:

2.wav 1.wav differ: char 88213, line 41

Expected results:


Additional info:

* 4.70.0 upstream version fixes the problem
* using additional "-cc" option results in loss-less compression even with 4.60.0
* tested with 44100 Hz, 16 bit, stereo file.

Comment 1 Fedora Update System 2014-02-17 13:09:52 UTC
wavpack-4.70.0-1.fc19 has been submitted as an update for Fedora 19.

Comment 2 Fedora Update System 2014-02-17 13:10:35 UTC
wavpack-4.70.0-1.fc20 has been submitted as an update for Fedora 20.

Comment 3 Fedora Update System 2014-02-18 13:28:15 UTC
Package wavpack-4.70.0-1.fc19:
* should fix your issue,
* was pushed to the Fedora 19 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing wavpack-4.70.0-1.fc19'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).

Comment 4 lnie 2014-02-21 03:23:26 UTC
wavpack-4.70.0-1.fc19 works

Comment 5 Fedora Update System 2014-02-23 08:37:33 UTC
wavpack-4.70.0-1.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 6 Fedora Update System 2014-03-06 08:08:50 UTC
wavpack-4.70.0-1.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.

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