[Flac-dev] [aottley@shaw.ca: Bug#203581: xmms-flac: Plugin misplays certain valid files]

[Matt Zimmerman]

----- Forwarded message from Adam Ottley <aottley at shaw.ca> -----

Date: Wed, 30 Jul 2003 19:48:16 -0600
From: Adam Ottley <aottley at shaw.ca>
Resent-From: Adam Ottley <aottley at shaw.ca>
To: Debian Bug Tracking System <submit at bugs.debian.org>
Subject: Bug#203581: xmms-flac: Plugin misplays certain valid files

Package: xmms-flac
Version: 1.1.0-9
Severity: normal

Certain apparently-valid .flac files are mishandled by the xmms plugin.  The
command-line flac program does not exhibit the problem, nor does the winamp
plugin.

When these files are loaded into xmms, the track length displayed in the 
playlist editor is longer than it should be.  When the file is played, no 
sound is output.  The time remaining, bitrate, sampling rate and mono/stereo 
indicators change values apparently at random.  Playback ends much sooner 
than the actual length of the file.

The problem appears to be triggered by the audio data at the beginning of the
files.  If part of the sound is trimmed from the end, the problem still occurs
with the resultant file.  However, if the first millisecond of the file is
trimmed off, the resultant file plays properly.  Also, the problem only occurs
if the files have been encoded using a minimum residual partition order of 3
(i.e. -r 3,X), so the presets -3, -4 and -5 are affected.  If any other value
for the minimum residual partition order is used, the encoded file plays
properly.  All encodings passed verification using the -V flag.  The problem 
occurs regardless what metadata is present in the file.

I've uploaded two files that trigger the problem to
http://members.shaw.ca/aottley/flac/.  Both are five-second clips from CD rips
I made, one of Believe Me by Moist, the other of Miami by U2.  Both are
compressed using -5.

-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux typhoon 2.4.21 #1 Mon Jul 14 18:49:49 CST 2003 i686
Locale: LANG=C, LC_CTYPE=C

Versions of packages xmms-flac depends on:
ii  libc6                      2.3.1-17     GNU C Library: Shared libraries an
ii  libflac4                   1.1.0-9      Free Lossless Audio Codec - runtim
ii  libglib1.2                 1.2.10-9     The GLib library of C routines
ii  libgtk1.2                  1.2.10-16    The GIMP Toolkit set of widgets fo
ii  libid3-3.8.3               3.8.3-2      Library for manipulating ID3v1 and
ii  libstdc++5                 1:3.3.1-0rc2 The GNU Standard C++ Library v3
ii  xlibs                      4.2.1-9      X Window System client libraries
ii  xmms                       1.2.7-3      Versatile X audio player that look
ii  zlib1g                     1:1.1.4-14   compression library - runtime

-- no debconf information

----- End forwarded message -----

-- 
 - mdz