Sometimes mp3 related by installing the package ubuntu-restricted-extras .
This might help you. Many thanks
Geoff barkman
sent by geoff on his android phone
On Oct 16, 2013 10:41 AM, "Nate Hartmann" <nate+rivend...@natehartmann.com>
wrote:
> Thanks for looking at my problem Alban. I checked out those three options,
> but am still hitting the same brick wall.
>
> Let me show you what I have, and maybe you can help me understand what
> piece I'm missing.
>
> I have all three of those dev libraries installed:
> $ dpkg -s libmad0-dev
> Package: libmad0-dev
> Status: install ok installed
> Priority: optional
> Section: libdevel
> Installed-Size: 188
> Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
> Architecture: i386
> Source: libmad
> Version: 0.15.1b-7ubuntu1
> $ dpkg -s libtwolame-dev
> Package: libtwolame-dev
> Status: install ok installed
> Priority: optional
> Section: libdevel
> Installed-Size: 463
> Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
> Architecture: i386
> Source: twolame
> Version: 0.3.13-1build1
> Replaces: libtwolame0-dev
> Depends: libtwolame0 (= 0.3.13-1build1), libc6-dev, pkg-config
> $ dpkg -s libmp3lame-dev
> Package: libmp3lame-dev
> Status: install ok installed
> Priority: optional
> Section: libdevel
> Installed-Size: 490
> Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
> Architecture: i386
> Source: lame
> Version: 3.99.3+repack1-1
> Depends: libmp3lame0 (= 3.99.3+repack1-1)
>
>
> Apparently my Ubuntu installation already had symbolic links named with
> .so which point to the version-specific shared library file (e.g.
> libmad.so.0.2.1)
> $ file /usr/lib/libmad.so* /usr/lib/libtwolame.so*
> /usr/lib/i386-linux-gnu/libmad.so* /usr/lib/i386-linux-gnu/libmp3lame.so*
> /usr/lib/libmad.so: symbolic link to
> `/usr/lib/i386-linux-gnu/libmad.so'
> /usr/lib/libmad.so.0: symbolic link to
> `/usr/lib/i386-linux-gnu/libmad.so'
> /usr/lib/libtwolame.so: symbolic link to
> `libtwolame.so.0.0.0'
> /usr/lib/libtwolame.so.0: symbolic link to
> `libtwolame.so.0.0.0'
> /usr/lib/libtwolame.so.0.0.0: ELF 32-bit LSB shared object,
> Intel 80386, version 1 (SYSV), dynamically linked,
> BuildID[sha1]=0x5a1b8b2e2ac8c079be35bd8c81073d2c589cd036, stripped
> /usr/lib/i386-linux-gnu/libmad.so: symbolic link to
> `libmad.so.0.2.1'
> /usr/lib/i386-linux-gnu/libmad.so.0: symbolic link to
> `libmad.so.0.2.1'
> /usr/lib/i386-linux-gnu/libmad.so.0.2.1: ELF 32-bit LSB shared object,
> Intel 80386, version 1 (SYSV), dynamically linked,
> BuildID[sha1]=0xd6f31fd3bf3caff864965ed52a425c1f5454251f, stripped
> /usr/lib/i386-linux-gnu/libmp3lame.so: symbolic link to
> `libmp3lame.so.0.0.0'
> /usr/lib/i386-linux-gnu/libmp3lame.so.0: symbolic link to
> `libmp3lame.so.0.0.0'
> /usr/lib/i386-linux-gnu/libmp3lame.so.0.0.0: ELF 32-bit LSB shared object,
> Intel 80386, version 1 (SYSV), dynamically linked,
> BuildID[sha1]=0x7b3ac3b48da49661b14fc4ab89524a3a51510c96, stripped
>
> caed reports in the system log that it has the MAD decoding capabilities
> during startup
> $ grep -A2 -B2 -i caed.*mad /var/log/syslog |sed -e 's/.*u-11//'
> ripcd: started
> caed: Found TwoLAME encoder library, MPEG L2 encoding supported
> caed: Found MAD decoder library, MPEG L2 decoding supported
> caed: Unable to set realtime scheduling: No such process
> caed: cae started
>
> Since that message is logged from within MainObject::LoadMad, I can tell
> that libmad.so was successfully loaded during caed's startup.
>
> It was a little bit trickier, but I was able to verify that the CGI
> program does successfully load libmad. I found this out by getting a fresh
> apache2 environment, then attaching strace[1] to every child process and
> then performing an rdimport of an mp3 file. I can see from the strace's
> output that it loads libmad:
>
> 31590 open("/usr/lib/i386-linux-gnu/libmad.so", O_RDONLY|O_CLOEXEC) = 5
> 31590 read(5,
> "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000\20\0\0004\0\0\0"...,
> 512) = 512
> 31590 fstat64(5, {st_mode=S_IFREG|0644, st_size=91448, ...}) = 0
> 31590 mmap2(NULL, 94292, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
> 5, 0) = 0x1821000
> 31590 mmap2(0x1837000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x15) = 0x1837000
> 31590 close(5)
>
> I must still be missing something, but I can't tell what. Is there any
> other place where I have to make Rivendell aware that it has mp3 decoding
> capabilities?
>
> Thanks again for your help and insight,
> Nate "DJ Homebody" Hartmann
>
> [1] For anyone trying to reproduce that test, here's the full command:
> sudo service apache2 restart ; sudo rm -v /tmp/apache2.strace.* ; for pid
> in `pidof apache2` ; do sudo strace -f -p$pid -o/tmp/apache2.strace.$pid &
> done ; sleep 3; rdimport --log-mode TEST /tmp/your-test-file.mp3 ; sudo
> killall strace ; grep libmad /tmp/*strace*
>
>
> On Tue, Oct 15, 2013 at 5:38 PM, Nate Hartmann <severalh...@gmail.com>wrote:
>
>> Thanks for looking at my problem Alban. I checked out those three
>> options, but am still hitting the same brick wall.
>>
>> Let me show you what I have, and maybe you can help me understand what
>> piece I'm missing.
>>
>> I have all three of those dev libraries installed:
>> $ dpkg -s libmad0-dev
>> Package: libmad0-dev
>> Status: install ok installed
>> Priority: optional
>> Section: libdevel
>> Installed-Size: 188
>> Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
>> Architecture: i386
>> Source: libmad
>> Version: 0.15.1b-7ubuntu1
>> $ dpkg -s libtwolame-dev
>> Package: libtwolame-dev
>> Status: install ok installed
>> Priority: optional
>> Section: libdevel
>> Installed-Size: 463
>> Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
>> Architecture: i386
>> Source: twolame
>> Version: 0.3.13-1build1
>> Replaces: libtwolame0-dev
>> Depends: libtwolame0 (= 0.3.13-1build1), libc6-dev, pkg-config
>> $ dpkg -s libmp3lame-dev
>> Package: libmp3lame-dev
>> Status: install ok installed
>> Priority: optional
>> Section: libdevel
>> Installed-Size: 490
>> Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
>> Architecture: i386
>> Source: lame
>> Version: 3.99.3+repack1-1
>> Depends: libmp3lame0 (= 3.99.3+repack1-1)
>>
>>
>> Apparently my Ubuntu installation already had symbolic links named with
>> .so which point to the version-specific shared library file (e.g.
>> libmad.so.0.2.1)
>> $ file /usr/lib/libmad.so* /usr/lib/libtwolame.so*
>> /usr/lib/i386-linux-gnu/libmad.so* /usr/lib/i386-linux-gnu/libmp3lame.so*
>> /usr/lib/libmad.so: symbolic link to
>> `/usr/lib/i386-linux-gnu/libmad.so'
>> /usr/lib/libmad.so.0: symbolic link to
>> `/usr/lib/i386-linux-gnu/libmad.so'
>> /usr/lib/libtwolame.so: symbolic link to
>> `libtwolame.so.0.0.0'
>> /usr/lib/libtwolame.so.0: symbolic link to
>> `libtwolame.so.0.0.0'
>> /usr/lib/libtwolame.so.0.0.0: ELF 32-bit LSB shared
>> object, Intel 80386, version 1 (SYSV), dynamically linked,
>> BuildID[sha1]=0x5a1b8b2e2ac8c079be35bd8c81073d2c589cd036, stripped
>> /usr/lib/i386-linux-gnu/libmad.so: symbolic link to
>> `libmad.so.0.2.1'
>> /usr/lib/i386-linux-gnu/libmad.so.0: symbolic link to
>> `libmad.so.0.2.1'
>> /usr/lib/i386-linux-gnu/libmad.so.0.2.1: ELF 32-bit LSB shared
>> object, Intel 80386, version 1 (SYSV), dynamically linked,
>> BuildID[sha1]=0xd6f31fd3bf3caff864965ed52a425c1f5454251f, stripped
>> /usr/lib/i386-linux-gnu/libmp3lame.so: symbolic link to
>> `libmp3lame.so.0.0.0'
>> /usr/lib/i386-linux-gnu/libmp3lame.so.0: symbolic link to
>> `libmp3lame.so.0.0.0'
>> /usr/lib/i386-linux-gnu/libmp3lame.so.0.0.0: ELF 32-bit LSB shared
>> object, Intel 80386, version 1 (SYSV), dynamically linked,
>> BuildID[sha1]=0x7b3ac3b48da49661b14fc4ab89524a3a51510c96, stripped
>>
>> caed reports in the system log that it has the MAD decoding capabilities
>> during startup
>> $ grep -A2 -B2 -i caed.*mad /var/log/syslog |sed -e 's/.*u-11//'
>> ripcd: started
>> caed: Found TwoLAME encoder library, MPEG L2 encoding supported
>> caed: Found MAD decoder library, MPEG L2 decoding supported
>> caed: Unable to set realtime scheduling: No such process
>> caed: cae started
>>
>> Since that message is logged from within MainObject::LoadMad, I can tell
>> that libmad.so was successfully loaded during caed's startup.
>>
>> It was a little bit trickier, but I was able to verify that the CGI
>> program does successfully load libmad. I found this out by getting a fresh
>> apache2 environment, then attaching strace[1] to every child process and
>> then performing an rdimport of an mp3 file. I can see from the strace's
>> output that it loads libmad:
>>
>> 31590 open("/usr/lib/i386-linux-gnu/libmad.so", O_RDONLY|O_CLOEXEC) = 5
>> 31590 read(5,
>> "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000\20\0\0004\0\0\0"...,
>> 512) = 512
>> 31590 fstat64(5, {st_mode=S_IFREG|0644, st_size=91448, ...}) = 0
>> 31590 mmap2(NULL, 94292, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
>> 5, 0) = 0x1821000
>> 31590 mmap2(0x1837000, 8192, PROT_READ|PROT_WRITE,
>> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x15) = 0x1837000
>> 31590 close(5)
>>
>> I must still be missing something, but I can't tell what. Is there any
>> other place where I have to make Rivendell aware that it has mp3 decoding
>> capabilities?
>>
>> Thanks again for your help and insight,
>> Nate "DJ Homebody" Hartmann
>>
>> [1] For anyone trying to reproduce that test, here's the full command:
>> sudo service apache2 restart ; sudo rm -v /tmp/apache2.strace.* ; for pid
>> in `pidof apache2` ; do sudo strace -f -p$pid -o/tmp/apache2.strace.$pid &
>> done ; sleep 3; rdimport --log-mode TEST /tmp/your-test-file.mp3 ; sudo
>> killall strace ; grep libmad /tmp/*strace*
>>
>>
>>
>> On Mon, Oct 14, 2013 at 9:25 PM, Alban Peignier <al...@tryphon.eu> wrote:
>>
>>> Hi Nate,
>>>
>>> Rivendell uses dlopen to find libmad.so, libmp3lame.so and libtwolame.so.
>>>
>>> On Debian/Ubuntu systems, these libraries are available as libmad.so.0,
>>> libmp3lame.so.0 and libtwolame.so.0.
>>>
>>> You can either :
>>>
>>> * create manual links
>>> * install the associated libXYZ-dev packages (with provided link)
>>> * apply the same patch as the debian packaging does [0]
>>>
>>> Or more simply use the debian/ubuntu packages :)
>>>
>>> 0.
>>>
>>> http://projects.tryphon.eu/projects/rivendell2-debian/repository/revisions/master/entry/debian/patches/0005-Add-version-for-dlopened-libraries.patch
>>>
>>> Regards,
>>> --
>>> Alban Peignier - al...@tryphon.eu
>>>
>>> Tryphon : Radio, Web et Logiciels Libres
>>> http://www.tryphon.eu
>>>
>>
>>
>
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