Debian Bug report logs - #593162
Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Aaron Barany <akb825@gmail.com>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: audacity: Audacity fails to load libavformat

Date: Sun, 15 Aug 2010 14:27:54 -0700

Package: audacity
Version: 1.3.12-4+b1
Severity: important

When Audacity attempts to load libavformat, it throws the following error in
the log: Error: /usr/lib/libavformat.so.52: undefined symbol: match_ext.
According to my research online, this is because newer versions of ffmpeg
changed the function match_ext to be av_match ext.



-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages audacity depends on:
ii  audacity-data               1.3.12-4     A fast, cross-platform audio edito
ii  libasound2                  1.0.23-1     shared library for ALSA applicatio
ii  libc6                       2.11.2-2     Embedded GNU C Library: Shared lib
ii  libexpat1                   2.0.1-7      XML parsing C library - runtime li
ii  libflac++6                  1.2.1-2+b1   Free Lossless Audio Codec - C++ ru
ii  libflac8                    1.2.1-2+b1   Free Lossless Audio Codec - runtim
ii  libgcc1                     1:4.4.4-8    GCC support library
ii  libglib2.0-0                2.24.1-1     The GLib library of C routines
ii  libgtk2.0-0                 2.20.1-1     The GTK+ graphical user interface 
ii  libid3tag0                  0.15.1b-10   ID3 tag reading library from the M
ii  libmad0                     0.15.1b-5    MPEG audio decoder library
ii  libogg0                     1.2.0~dfsg-1 Ogg bitstream library
ii  libsamplerate0              0.1.7-3      Audio sample rate conversion libra
ii  libsndfile1                 1.0.21-3     Library for reading/writing audio 
ii  libsoundtouch1c2            1.3.1-2      sound stretching library
ii  libstdc++6                  4.4.4-8      The GNU Standard C++ Library v3
ii  libtwolame0                 0.3.12-1     MPEG Audio Layer 2 encoding librar
ii  libvamp-hostsdk3            2.1-1        helper library for Vamp hosts writ
ii  libvorbis0a                 1.3.1-1      The Vorbis General Audio Compressi
ii  libvorbisenc2               1.3.1-1      The Vorbis General Audio Compressi
ii  libvorbisfile3              1.3.1-1      The Vorbis General Audio Compressi
ii  libwxbase2.8-0              2.8.10.1-3   wxBase library (runtime) - non-GUI
ii  libwxgtk2.8-0               2.8.10.1-3   wxWidgets Cross-platform C++ GUI t

Versions of packages audacity recommends:
ii  libavcodec52       5:0.6~svn20100726-0.0 library to encode decode multimedi
ii  libavformat52      5:0.6~svn20100726-0.0 ffmpeg file format library

Versions of packages audacity suggests:
pn  ladspa-plugin                 <none>     (no description available)
ii  libmp3lame0                   3.98.4-0.0 LAME Ain't an MP3 Encoder

-- no debconf information

Message #10 received at 593162-done@bugs.debian.org (full text, mbox, reply):

From: Jonas Smedegaard <dr@jones.dk>

To: Aaron Barany <akb825@gmail.com>, 593162-done@bugs.debian.org

Subject: Re: Bug#593162: audacity: Audacity fails to load libavformat

Date: Mon, 16 Aug 2010 00:25:11 +0200

[Message part 1 (text/plain, inline)]

Hi Aaron,

On Sun, Aug 15, 2010 at 02:27:54PM -0700, Aaron Barany wrote:
>When Audacity attempts to load libavformat, it throws the following 
>error in the log: Error: /usr/lib/libavformat.so.52: undefined symbol: 
>match_ext. According to my research online, this is because newer 
>versions of ffmpeg changed the function match_ext to be av_match ext.

>Versions of packages audacity recommends:
>ii  libavcodec52       5:0.6~svn20100726-0.0 library to encode decode multimedi
>ii  libavformat52      5:0.6~svn20100726-0.0 ffmpeg file format library

Above package versions are not official Debian packages.

Debian unfortunately cannot guarantee compatibility with externally 
built packages.

Please use Debian packages, or work with those unofficial package 
providers to improve their compatibility with Debian.


Bug hereby closed.  Please do tell us if your experienced problem is 
reproducible using only Debian packages, and we will investigate 
further.

And please do continue to file bugreports - even if this one is judged 
as "wrong": We really appreciate the feedback!


Kind regards,

 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

 [x] quote me freely  [ ] ask before reusing  [ ] keep private

[signature.asc (application/pgp-signature, inline)]

Message #15 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Reinhard Tartler <siretart@tauware.de>

To: 593162@bugs.debian.org

Cc: Aaron Barany <akb825@gmail.com>

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 16 Aug 2010 07:37:45 +0200

On Mon, Aug 16, 2010 at 00:27:04 (CEST), Jonas Smedegaard wrote:

> Hi Aaron,
>
> On Sun, Aug 15, 2010 at 02:27:54PM -0700, Aaron Barany wrote:
>> When Audacity attempts to load libavformat, it throws the following
>> error in the log: Error: /usr/lib/libavformat.so.52: undefined symbol:
>> match_ext. According to my research online, this is because newer
>> versions of ffmpeg changed the function match_ext to be av_match ext.
>
>>Versions of packages audacity recommends:
>>ii  libavcodec52       5:0.6~svn20100726-0.0 library to encode decode multimedi
>>ii  libavformat52      5:0.6~svn20100726-0.0 ffmpeg file format library
>
> Above package versions are not official Debian packages.
>
> Debian unfortunately cannot guarantee compatibility with externally
> built packages.
>
> Please use Debian packages, or work with those unofficial package
> providers to improve their compatibility with Debian.
>
>
> Bug hereby closed.  Please do tell us if your experienced problem is
> reproducible using only Debian packages, and we will investigate
> further.

I'm actually pretty confident that this problem also appears with the
ffmpeg package from experimental. Aaron, or someone else, can you please
try to reproduce this with the package from experimental? If I'm right,
then this bug needs to be reopened.

Aaron's analysis about the match_ext vs. av_match symbol makes totally
sense to me. audacity shouldn't have used the match_ext function from
libavcodec at the time it was still private at all.

-- 
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4

Message #20 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Aaron Barany <akb825@gmail.com>

To: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 16 Aug 2010 00:25:12 -0700

[Message part 1 (text/plain, inline)]

Just to provide a bit more information, I'm using debian-multimedia, which
is why my ffmpeg libraries are newer than what's in the standard debian
repositories. This thread on Audacity forums (
http://forum.audacityteam.org/viewtopic.php?f=18&t=28048) documents the
problem, and also includes a patch. According to that thread, the change
appeared in ffmpeg 0.5.1. If I'm reading the version numbers correctly, both
debian-multimedia and experimental have ffmpeg 0.6 (with slightly newer
version in debian-multimedia), and the standard squeeze install has 0.5.1.
(which also means that the standard squeeze libraries might experience the
same problem)

I would prefer not to try to install a different version of the libraries
since I don't have any experience working with different repositories like
that, especially since I would have to deal with the dependencies. (I'm
mainly worried about getting everything back together again when I'm
done...) If somebody could try it on a standard testing and/or experimental
install that would be great.

Aaron

On Sun, Aug 15, 2010 at 10:37 PM, Reinhard Tartler <siretart@tauware.de>wrote:

> On Mon, Aug 16, 2010 at 00:27:04 (CEST), Jonas Smedegaard wrote:
>
> > Hi Aaron,
> >
> > On Sun, Aug 15, 2010 at 02:27:54PM -0700, Aaron Barany wrote:
> >> When Audacity attempts to load libavformat, it throws the following
> >> error in the log: Error: /usr/lib/libavformat.so.52: undefined symbol:
> >> match_ext. According to my research online, this is because newer
> >> versions of ffmpeg changed the function match_ext to be av_match ext.
> >
> >>Versions of packages audacity recommends:
> >>ii  libavcodec52       5:0.6~svn20100726-0.0 library to encode decode
> multimedi
> >>ii  libavformat52      5:0.6~svn20100726-0.0 ffmpeg file format library
> >
> > Above package versions are not official Debian packages.
> >
> > Debian unfortunately cannot guarantee compatibility with externally
> > built packages.
> >
> > Please use Debian packages, or work with those unofficial package
> > providers to improve their compatibility with Debian.
> >
> >
> > Bug hereby closed.  Please do tell us if your experienced problem is
> > reproducible using only Debian packages, and we will investigate
> > further.
>
> I'm actually pretty confident that this problem also appears with the
> ffmpeg package from experimental. Aaron, or someone else, can you please
> try to reproduce this with the package from experimental? If I'm right,
> then this bug needs to be reopened.
>
> Aaron's analysis about the match_ext vs. av_match symbol makes totally
> sense to me. audacity shouldn't have used the match_ext function from
> libavcodec at the time it was still private at all.
>
> --
> Gruesse/greetings,
> Reinhard Tartler, KeyID 945348A4
>

[Message part 2 (text/html, inline)]

Message #25 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Reinhard Tartler <siretart@tauware.de>

To: Aaron Barany <akb825@gmail.com>

Cc: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 16 Aug 2010 12:39:13 +0200

On Mon, Aug 16, 2010 at 09:25:12 (CEST), Aaron Barany wrote:

> Just to provide a bit more information, I'm using debian-multimedia, which
> is why my ffmpeg libraries are newer than what's in the standard debian
> repositories. This thread on Audacity forums (
> http://forum.audacityteam.org/viewtopic.php?f=18&t=28048) documents the
> problem, and also includes a patch. According to that thread, the change
> appeared in ffmpeg 0.5.1. If I'm reading the version numbers correctly, both
> debian-multimedia and experimental have ffmpeg 0.6 (with slightly newer
> version in debian-multimedia),

the package distributed by debian-multimedia is not based on ffmpeg 0.6,
it is just horribly and confusingly named. It is based on SVN trunk,
were a lot of development is going on, and such compatibility bugs still
need to be found and ironed out. Christian Marillat is obviously not
helping with that at all.

> and the standard squeeze install has 0.5.1.  (which also means that
> the standard squeeze libraries might experience the same problem)

And I've asked you to check this. Until this happens, I'd agree to leave
this bug closed.

> I would prefer not to try to install a different version of the libraries
> since I don't have any experience working with different repositories like
> that, especially since I would have to deal with the dependencies.

Well, for exactly reasons like this, I find installing libraries from
3rd party repositories problematic at least.

> (I'm mainly worried about getting everything back together again when
> I'm done...) If somebody could try it on a standard testing and/or
> experimental install that would be great.

Well, you've reported an imcomplete bug, and I've told you what
information is missing. It would be great if you could help with filling
the gaps.

-- 
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4

Message #30 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Jonas Smedegaard <dr@jones.dk>

To: 593162@bugs.debian.org

Cc: Aaron Barany <akb825@gmail.com>

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 16 Aug 2010 13:28:20 +0200

[Message part 1 (text/plain, inline)]

reopen 593162
thanks

On Mon, Aug 16, 2010 at 07:37:45AM +0200, Reinhard Tartler wrote:
>On Mon, Aug 16, 2010 at 00:27:04 (CEST), Jonas Smedegaard wrote:
>> Bug hereby closed.  Please do tell us if your experienced problem is 
>> reproducible using only Debian packages, and we will investigate 
>> further.
>
>I'm actually pretty confident that this problem also appears with the 
>ffmpeg package from experimental.

Uh oh.  When a Debian Developer *and* upstream release manager is 
"confident" about this, I guess I'd better revert :-)

Sorry for being too trigger happy!

My general remarks about checking with Debian-only packages still stand, 
I believe.


 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

 [x] quote me freely  [ ] ask before reusing  [ ] keep private

[signature.asc (application/pgp-signature, inline)]

Message #35 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Jonas Smedegaard <dr@jones.dk>

To: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 16 Aug 2010 13:31:36 +0200

[Message part 1 (text/plain, inline)]

On Mon, Aug 16, 2010 at 12:39:13PM +0200, Reinhard Tartler wrote:
>On Mon, Aug 16, 2010 at 09:25:12 (CEST), Aaron Barany wrote:
>> and the standard squeeze install has 0.5.1.  (which also means that 
>> the standard squeeze libraries might experience the same problem)
>
>And I've asked you to check this. Until this happens, I'd agree to 
>leave this bug closed.

Whoops: I reopened again before above arrived in my inbox.

I will simply leave this bugreport alone for a little while now - 
reopened and all.


Kind regards,

 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

 [x] quote me freely  [ ] ask before reusing  [ ] keep private

[signature.asc (application/pgp-signature, inline)]

Message #42 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Aaron Barany <akb825@gmail.com>

To: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 16 Aug 2010 11:45:45 -0700

[Message part 1 (text/plain, inline)]

> Well, for exactly reasons like this, I find installing libraries from
> 3rd party repositories problematic at least.

I agree it's not ideal, but unfortunately there's some functionality that
isn't present in the main repositories. (for example, a build of gtkpod that
supports AAC)

> And I've asked you to check this. Until this happens, I'd agree to leave
> this bug closed.
> It would be great if you could help with filling
> the gaps.

Since that's the case, I can try both the testing and experimental versions,
but most likely it will be this weekend or the next when I have the time.

Aaron

On Mon, Aug 16, 2010 at 3:39 AM, Reinhard Tartler <siretart@tauware.de>wrote:

> On Mon, Aug 16, 2010 at 09:25:12 (CEST), Aaron Barany wrote:
>
> > Just to provide a bit more information, I'm using debian-multimedia,
> which
> > is why my ffmpeg libraries are newer than what's in the standard debian
> > repositories. This thread on Audacity forums (
> > http://forum.audacityteam.org/viewtopic.php?f=18&t=28048) documents the
> > problem, and also includes a patch. According to that thread, the change
> > appeared in ffmpeg 0.5.1. If I'm reading the version numbers correctly,
> both
> > debian-multimedia and experimental have ffmpeg 0.6 (with slightly newer
> > version in debian-multimedia),
>
> the package distributed by debian-multimedia is not based on ffmpeg 0.6,
> it is just horribly and confusingly named. It is based on SVN trunk,
> were a lot of development is going on, and such compatibility bugs still
> need to be found and ironed out. Christian Marillat is obviously not
> helping with that at all.
>
> > and the standard squeeze install has 0.5.1.  (which also means that
> > the standard squeeze libraries might experience the same problem)
>
> And I've asked you to check this. Until this happens, I'd agree to leave
> this bug closed.
>
> > I would prefer not to try to install a different version of the libraries
> > since I don't have any experience working with different repositories
> like
> > that, especially since I would have to deal with the dependencies.
>
> Well, for exactly reasons like this, I find installing libraries from
> 3rd party repositories problematic at least.
>
> > (I'm mainly worried about getting everything back together again when
> > I'm done...) If somebody could try it on a standard testing and/or
> > experimental install that would be great.
>
> Well, you've reported an imcomplete bug, and I've told you what
> information is missing. It would be great if you could help with filling
> the gaps.
>
> --
> Gruesse/greetings,
> Reinhard Tartler, KeyID 945348A4
>

[Message part 2 (text/html, inline)]

Message #47 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Reinhard Tartler <siretart@tauware.de>

To: Aaron Barany <akb825@gmail.com>

Cc: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 16 Aug 2010 22:54:05 +0200

On Mon, Aug 16, 2010 at 20:45:45 (CEST), Aaron Barany wrote:

>> Well, for exactly reasons like this, I find installing libraries from
>> 3rd party repositories problematic at least.
>
> I agree it's not ideal, but unfortunately there's some functionality that
> isn't present in the main repositories. (for example, a build of gtkpod that
> supports AAC)

If this requires faac, then right, we don't support non-free stuff and
actually do care for licensing issues.

>> And I've asked you to check this. Until this happens, I'd agree to
>> leave this bug closed.  It would be great if you could help with
>> filling the gaps.
>
> Since that's the case, I can try both the testing and experimental versions,
> but most likely it will be this weekend or the next when I have the time.

Thanks!

-- 
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4

Message #52 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Fabian Greffrath <fabian@greffrath.com>

To: Reinhard Tartler <siretart@tauware.de>, 593162@bugs.debian.org

Cc: Aaron Barany <akb825@gmail.com>

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Tue, 17 Aug 2010 08:34:01 +0200

Am 16.08.2010 22:54, schrieb Reinhard Tartler:
> If this requires faac, then right, we don't support non-free stuff and
> actually do care for licensing issues.

No, but it requires libmp4v2 which is licensed under the MPL whereas 
gtkpod itself is licensed under the GPL. So, yes, this is a licensing 
issue and we have to care for it...

 - Fabian

Message #57 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Aaron Barany <akb825@gmail.com>

To: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Sat, 21 Aug 2010 20:12:08 -0700

[Message part 1 (text/plain, inline)]

I installed the appropriate ffmpeg packages from both testing and
experimental. Audacity did load the ffmpeg modules from testing, but it gave
the same error (missing the symbol match_ext) with the experimental version.

Aaron

On Mon, Aug 16, 2010 at 11:34 PM, Fabian Greffrath <fabian@greffrath.com>wrote:

> Am 16.08.2010 22:54, schrieb Reinhard Tartler:
>
>  If this requires faac, then right, we don't support non-free stuff and
>> actually do care for licensing issues.
>>
>
> No, but it requires libmp4v2 which is licensed under the MPL whereas gtkpod
> itself is licensed under the GPL. So, yes, this is a licensing issue and we
> have to care for it...
>
>  - Fabian
>

[Message part 2 (text/html, inline)]

Message #62 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Reinhard Tartler <siretart@tauware.de>

To: Aaron Barany <akb825@gmail.com>

Cc: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Sun, 22 Aug 2010 18:22:20 +0200

retitle 593162 Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext
tags 593162 upstream

On Sun, Aug 22, 2010 at 05:12:08 (CEST), Aaron Barany wrote:

> I installed the appropriate ffmpeg packages from both testing and
> experimental. Audacity did load the ffmpeg modules from testing, but it gave
> the same error (missing the symbol match_ext) with the experimental version.

Just as I feared, it seems that audacity uses internals of FFmpeg that
it is not supposed to do. Luckily, av_match_ext has been exported now,
so that it seems to me that this bug can be fixed with some little patching.

Thanks for reporting back!

-- 
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4

Message #71 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Alex Converse <alex.converse@gmail.com>

To: 593162@bugs.debian.org

Subject: Re: Bug#593162: marked as done (audacity: Audacity fails to load libavformat)

Date: Mon, 30 Aug 2010 17:23:35 -0400

[Message part 1 (text/plain, inline)]

Attached patch allows audacity to runtime detect match_ext() vs av_match_ext().

Audacity compiled with this patch against FFmpeg 0.5 will still have
problems with AVPacket and AVFifo API issues that they have put behind
"#if FFMPEG_STABLE"

[ffmpeg-initdyn2.diff (text/x-patch, attachment)]

Message #76 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Reinhard Tartler <siretart@tauware.de>

To: Alex Converse <alex.converse@gmail.com>

Cc: 593162@bugs.debian.org, audacity-devel@lists.sourceforge.net

Subject: Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext

Date: Tue, 31 Aug 2010 07:59:15 +0200

[ CC'ing audacity-devel for further input. Full context is at
  http://bugs.debian.org/593162 ]

Hi,

On Mon, Aug 30, 2010 at 23:23:35 (CEST), Alex Converse wrote:

> Attached patch allows audacity to runtime detect match_ext() vs av_match_ext().
>
> Audacity compiled with this patch against FFmpeg 0.5 will still have
> problems with AVPacket and AVFifo API issues that they have put behind
> "#if FFMPEG_STABLE"

This means that we could probably take this patch for experimental and
maverick, where we already have FFmpeg 0.6 as system ffmpeg, but
definitly not for squeeze that will ship FFmpeg 0.5.

Does anyone has a contact at upstream that we could point this issue to?
Ideally we had a patch that works with both FFmpeg 0.5 and 0.6.
It seems to be "known" upstream after all:

http://wiki.audacityteam.org/wiki/Known_Issues

-- 
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4

Message #81 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Fabian Greffrath <fabian@greffrath.com>

To: Reinhard Tartler <siretart@tauware.de>, 593162@bugs.debian.org

Cc: Alex Converse <alex.converse@gmail.com>, audacity-devel@lists.sourceforge.net

Subject: Re: Bug#593162: Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext

Date: Tue, 31 Aug 2010 09:46:57 +0200

Am 31.08.2010 07:59, schrieb Reinhard Tartler:
> Does anyone has a contact at upstream that we could point this issue to?
> Ideally we had a patch that works with both FFmpeg 0.5 and 0.6.

Is current ffmpeg trunk at least compatible to 0.6?

Message #86 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Reinhard Tartler <siretart@tauware.de>

To: Fabian Greffrath <fabian@greffrath.com>

Cc: 593162@bugs.debian.org, Alex Converse <alex.converse@gmail.com>, audacity-devel@lists.sourceforge.net

Subject: Re: Bug#593162: Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext

Date: Tue, 31 Aug 2010 09:55:34 +0200

On Tue, Aug 31, 2010 at 09:46:57 (CEST), Fabian Greffrath wrote:

> Am 31.08.2010 07:59, schrieb Reinhard Tartler:
>> Does anyone has a contact at upstream that we could point this issue to?
>> Ideally we had a patch that works with both FFmpeg 0.5 and 0.6.
>
> Is current ffmpeg trunk at least compatible to 0.6?

If you rely only on public symbols, then I'd consider every
incompatibility as a bug. Note that match_ext was not supposed to be an
external symbol, but av_match_ext is.

-- 
Gruesse/greetings,
Reinhard Tartler, KeyID 945348A4

Message #91 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Gale Andrews <gale@audacityteam.org>

To: audacity-devel@lists.sourceforge.net

Cc: siretart@tauware.de

Subject: Re: [Audacity-devel] Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext

Date: Fri, 03 Sep 2010 23:51:10 +0100

[Message part 1 (text/plain, inline)]

| From Reinhard Tartler <siretart@tauware.de> 
| Tue, 31 Aug 2010 07:59:15 +0200
| Subject: [Audacity-devel] Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext
> [ CC'ing audacity-devel for further input. Full context is at
>   http://bugs.debian.org/593162 ]
> 
> Hi,
> 
> On Mon, Aug 30, 2010 at 23:23:35 (CEST), Alex Converse wrote:
> 
> > Attached patch allows audacity to runtime detect match_ext() vs av_match_ext().
> >
> > Audacity compiled with this patch against FFmpeg 0.5 will still have
> > problems with AVPacket and AVFifo API issues that they have put behind
> > "#if FFMPEG_STABLE"
> 
> This means that we could probably take this patch for experimental and
> maverick, where we already have FFmpeg 0.6 as system ffmpeg, but
> definitly not for squeeze that will ship FFmpeg 0.5.
> 
> Does anyone has a contact at upstream that we could point this issue to?
> Ideally we had a patch that works with both FFmpeg 0.5 and 0.6.
> It seems to be "known" upstream after all:
> 
> http://wiki.audacityteam.org/wiki/Known_Issues
>
>
| From Reinhard Tartler <siretart@tauware.de> 
| Tue, 31 Aug 2010 09:55:34 +0200
| Subject: [Audacity-devel] Bug#593162: Audacity fails to load libavformat52/FFmpeg 0.6: undefined symbol: match_ext
> If you rely only on public symbols, then I'd consider every
> incompatibility as a bug. Note that match_ext was not supposed to be an
> external symbol, but av_match_ext is.

Just an "administrivia" response that this problem is on our bugzilla:
http://bugzilla.audacityteam.org/show_bug.cgi?id=176 

and no patch was attached to the message sent, so I've attached it here. 

Also to note that for Windows and Mac, almost all users will be reliant
on the FFmpeg installer we provide (which is 0.5 at present).

Hopefully LRN who developed the FFmpeg feature in Audacity will 
comment about this when he gets a chance. 


Thanks,



Gale   

[ffmpeg-initdyn2.diff (application/octet-stream, attachment)]

Message #98 received at 593162-close@bugs.debian.org (full text, mbox, reply):

From: Benjamin Drung <bdrung@ubuntu.com>

To: 593162-close@bugs.debian.org

Subject: Bug#593162: fixed in audacity 1.3.12-6

Date: Tue, 21 Sep 2010 23:32:19 +0000

Source: audacity
Source-Version: 1.3.12-6

We believe that the bug you reported is fixed in the latest version of
audacity, which is due to be installed in the Debian FTP archive:

audacity-data_1.3.12-6_all.deb
  to main/a/audacity/audacity-data_1.3.12-6_all.deb
audacity-dbg_1.3.12-6_amd64.deb
  to main/a/audacity/audacity-dbg_1.3.12-6_amd64.deb
audacity_1.3.12-6.debian.tar.gz
  to main/a/audacity/audacity_1.3.12-6.debian.tar.gz
audacity_1.3.12-6.dsc
  to main/a/audacity/audacity_1.3.12-6.dsc
audacity_1.3.12-6_amd64.deb
  to main/a/audacity/audacity_1.3.12-6_amd64.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 593162@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Benjamin Drung <bdrung@ubuntu.com> (supplier of updated audacity package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 21 Sep 2010 22:47:19 +0200
Source: audacity
Binary: audacity audacity-data audacity-dbg
Architecture: source amd64 all
Version: 1.3.12-6
Distribution: unstable
Urgency: low
Maintainer: Debian Multimedia Maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org>
Changed-By: Benjamin Drung <bdrung@ubuntu.com>
Description: 
 audacity   - A fast, cross-platform audio editor
 audacity-data - A fast, cross-platform audio editor (data)
 audacity-dbg - A fast, cross-platform audio editor (debug)
Closes: 593162
Changes: 
 audacity (1.3.12-6) unstable; urgency=low
 .
   * Build with jack on all architectures (Due to a bug, jack was already
     enabled on all architectures except on i386, amd64, powerpc).
   * Fix build failure with GCC 4.5 (Closes: #593162, LP: #602934).
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Files: 
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Message #103 received at 593162@bugs.debian.org (full text, mbox, reply):

From: Benjamin Drung <bdrung@ubuntu.com>

To: 593162@bugs.debian.org

Subject: audacity doesn't work with FFmpeg >= 0.6

Date: Wed, 22 Sep 2010 01:57:23 +0200

[Message part 1 (text/plain, inline)]

reopen 593162
thanks

Sorry, I mixed up bug numbers. This bug will be fixed in 1.3.12-7 in
experimental.

-- 
Benjamin Drung
Ubuntu Developer (www.ubuntu.com) | Debian Maintainer (www.debian.org)

[signature.asc (application/pgp-signature, inline)]

Message #110 received at 593162-close@bugs.debian.org (full text, mbox, reply):

From: Benjamin Drung <bdrung@ubuntu.com>

To: 593162-close@bugs.debian.org

Subject: Bug#593162: fixed in audacity 1.3.12-7

Date: Wed, 22 Sep 2010 01:32:18 +0000

Source: audacity
Source-Version: 1.3.12-7

We believe that the bug you reported is fixed in the latest version of
audacity, which is due to be installed in the Debian FTP archive:

audacity-data_1.3.12-7_all.deb
  to main/a/audacity/audacity-data_1.3.12-7_all.deb
audacity-dbg_1.3.12-7_amd64.deb
  to main/a/audacity/audacity-dbg_1.3.12-7_amd64.deb
audacity_1.3.12-7.debian.tar.gz
  to main/a/audacity/audacity_1.3.12-7.debian.tar.gz
audacity_1.3.12-7.dsc
  to main/a/audacity/audacity_1.3.12-7.dsc
audacity_1.3.12-7_amd64.deb
  to main/a/audacity/audacity_1.3.12-7_amd64.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 593162@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Benjamin Drung <bdrung@ubuntu.com> (supplier of updated audacity package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Wed, 22 Sep 2010 02:37:52 +0200
Source: audacity
Binary: audacity audacity-data audacity-dbg
Architecture: source amd64 all
Version: 1.3.12-7
Distribution: experimental
Urgency: low
Maintainer: Debian Multimedia Maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org>
Changed-By: Benjamin Drung <bdrung@ubuntu.com>
Description: 
 audacity   - A fast, cross-platform audio editor
 audacity-data - A fast, cross-platform audio editor (data)
 audacity-dbg - A fast, cross-platform audio editor (debug)
Closes: 593162
Changes: 
 audacity (1.3.12-7) experimental; urgency=low
 .
   * Fix interchanged bug numbers from previous upload.
   * Support FFmpeg >= 0.6 (Closes: #593162, LP: #602934).
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