Bug#651566: audacity freeze on variable speed play simple use.

[sylvain esteve]

Package: audacity
Version: 1.3.12-6

Hello,
I easily freeeze with audacity; here is one of the easiest scenario leading
to freeze.
------------------------------
------------------------------------------------------------
-1- launch audacity from gnome menu.
-2- from audacity, open wav file :
/usr/lib/openoffice/basis3.2/share/gallery/sounds/glasses.wav
-3- play-using the large PLAY button (it works)
-4- change play speed to minimum, then play (it works)
-5- play using the small play button besides the ruler enabling to change
speed - Audacity freezes.

--------------------------------------------------------------------------------------------
There is more :
-1- kill -9  the audacity process
-2- launch audacity again and don't accept "recover from crash".
-3- reopen the previous file.
The appearance of the sound file has changed (from the first opening): many
red lines (maximum amplitude reached) appear.
Nonetheless the file appears to have the same acces rights (read only) and
date in the file system.
ls -l /usr/lib/openoffice/basis3.2/share/gallery/sounds/glasses.wav
-rw-r--r-- 1 root root 36270 26 mai    2010
/usr/lib/openoffice/basis3.2/share/gallery/sounds/glasses.wav
but main problem is freeze....

----------------------------------------------------------------------------------------------
My configuration is :
KERNEL :
sf at quad:~$ uname -a
Linux quad 2.6.32-5-amd64 #1 SMP Mon Oct 3 03:59:20 UTC 2011 x86_64
GNU/Linux
------------------------------------------------
AUDACITY
which audacity
/usr/bin/audacity
dpkg --status audacity
Package: audacity
Status: install ok installed
Priority: optional
Section: sound
Installed-Size: 7444
Maintainer: Debian Multimedia Maintainers <
pkg-multimedia-maintainers at lists.alioth.debian.org>
Architecture: amd64
Version: 1.3.12-6
Depends: audacity-data (= 1.3.12-6), libasound2 (>> 1.0.18), libc6 (>=
2.7), libexpat1 (>= 1.95.8), libflac++6 (>= 1.2.1), libflac8 (>= 1.2.1),
libgcc1 (>= 1:4.1.1), libglib2.0-0 (>= 2.12.0), libgtk2.0-0 (>= 2.8.0),
libid3tag0 (>= 0.15.1b), libjack-jackd2-0 (>= 1.9.5~dfsg-14) |
libjack-0.116, libmad0 (>= 0.15.1b-3), libogg0 (>= 1.0rc3), libsamplerate0,
libsndfile1 (>= 1.0.20), libsoundtouch1c2 (>= 1.3.1), libstdc++6 (>=
4.4.0), libtwolame0, libvamp-hostsdk3, libvorbis0a (>= 1.1.2),
libvorbisenc2 (>= 1.1.2), libvorbisfile3 (>= 1.1.2), libwxbase2.8-0 (>=
2.8.10.1), libwxgtk2.8-0 (>= 2.8.10.1)
Recommends: libavcodec52 | libavcodec-extra-52, libavformat52 |
libavformat-extra-52
Suggests: ladspa-plugin, libmp3lame0
Description: A fast, cross-platform audio editor
 Audacity is a multi-track audio editor for Linux/Unix, MacOS and
 Windows.  It is designed for easy recording, playing and editing of
 digital audio.  Audacity features digital effects and spectrum
 analysis tools.  Editing is very fast and provides unlimited
 undo/redo.
 .
 Supported file formats include Ogg Vorbis, MP2, MP3, WAV, AIFF, and AU.
Homepage: http://audacity.sourceforge.net/
------------------------------------------
LIBC
sf at quad:~$ ls -l /lib/libc.so.6
lrwxrwxrwx 1 root root 14 25 juil. 22:45 /lib/libc.so.6 -> libc-2.11.2.so
------------------------------------------
HARDWARE
My h/w configuration is :
Asus P5KC mother board with 8Go of DDR-2 RAM
I also have a ALSA: default sound card for Playing (the sound card embedded
in the mother board is used for playing sound.

And Record with M Audio Audiophile 24/96: ICE1712 multi (hw:2,0) But not in
use when freezing, as far as I only PLAY sound, here.

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