Bug 259914 – media-libs/audiofile-0.2.6-r3 produces wrong wav headers

• Status: RESOLVED WORKSFORME
• Product: Gentoo Linux

[Description Thomas 2009-02-22 15:48:47 UTC]

Libaudiofile in this version produces wrong length information in the data and RIFF chunk of wav files because it internally uses the data type "float" for length calculations, with loss of precision.

Reproducible: Always

Steps to Reproduce:
1. create a wav file with 77.777.777 frames, 8 bit/sample, stereo
2. check the length written in the RIFF and data chunk, it will be wrong





I already filed a bug report and a patch to ubuntu launchpad, see:

https://bugs.launchpad.net/ubuntu/+source/audiofile/+bug/327018

[Comment 1 Gilles Dartiguelongue (RETIRED) 2009-02-22 18:31:24 UTC]

did you try 0.2.6-r4 ?

[Comment 2 Thomas 2009-02-22 21:52:21 UTC]

now yes, media-libs/audiofile-0.2.6-r4 behaves exactly the same.

[Comment 3 Samuli Suominen (RETIRED) 2009-05-13 18:52:32 UTC]

http://launchpadlibrarian.net/22320508/audiofile-no-float.diff

[Comment 4 Daniel Gryniewicz (RETIRED) 2009-05-14 01:35:01 UTC]

Won't that patch just fail if you tack more decimals on the end?  Or is there some format restriction that keeps that from happening?

[Comment 5 Samuli Suominen (RETIRED) 2010-04-28 16:05:42 UTC]

try 0.2.7 for update

[Comment 6 Thomas 2010-05-08 09:59:42 UTC]

I tested with v0.2.7 and was not able to reproduce the bug with the size mentioned above.

I also tested several other chunk sizes that are not representable in a "float", 
like (2^24 - 1) and around, but everything worked fine.

From my point of view we could set this bug to "resolved".