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Bug 446552 - net-misc/mediatomb-0.12.1-r1 - Mediatomb launches the transcoder twice for a given file.
Summary: net-misc/mediatomb-0.12.1-r1 - Mediatomb launches the transcoder twice for a ...
Status: RESOLVED OBSOLETE
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: x86 Linux
: Normal normal (vote)
Assignee: media-video herd
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-12-08 23:33 UTC by eipi
Modified: 2014-02-06 21:43 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments
Mediatomb log showing transcoding is launched two times for a single media file. (mediatomb.log,11.39 KB, text/plain)
2012-12-08 23:36 UTC, eipi
Details

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Description eipi 2012-12-08 23:33:51 UTC
My Mediatomb config file has not changed for a while. I am using a transcode-all config file based on the one published here :

http://mediatomb.cc/dokuwiki/transcoding:transcoding

However, since mediatomb-0.12 at least, I noticed that after each movie watched 2 mencoder processes are launched on 2 different FIFOs. One of them transmit the actual transcoded video to the renderer (a PS3), but the other remains kernel-blocked, writing into a pipe for which no one is actually reading to (only a kill -KILL can kill it). Some traces are in attachment. As shown, two pipes are created for two processes, however only one process is killed...

I downloaded static binary version: mediatomb-static-0.11.0-r2-linux-uclibc-i386.tar.gz from the upstream web site. And this problem does not happened with this version.

I tried to debug (using ddd/gdb). However the multi-threading make the task too cumbersome for me. If you have any idea how I can help, please tell me so.

Regards.


Reproducible: Always

Steps to Reproduce:
1.emerge mediatomb-0.12.1-r1
2.use a transcode-all config file such as the one provided at http://mediatomb.cc/dokuwiki/transcoding:transcoding
3.Launch /etc/init.d/mediatomb start
4.Watch a media file (so transcoding happen)

Actual Results:  
4.ps aux|grep mencoder should list 2 mencoder processes
5.Stop watching the media file
6.ps aux|grep mencoder should list 1 mencoder process, you need a kill -KILL ta actually kill it (kernel blocked, writing to a FIFO with no reader).  

Expected Results:  
ps aux|grep mencoder should only list 1 mencoder process
The said process should be killed after watching the media file so no mencoder remains at the end.

Portage 2.1.11.31 (default/linux/x86/10.0/desktop/kde, gcc-4.5.4, glibc-2.15-r3, 3.5.7-gentoo i686)
=================================================================
System uname: Linux-3.5.7-gentoo-i686-Intel-R-_Core-TM-_i3-2310M_CPU_@_2.10GHz-with-gentoo-2.1
Timestamp of tree: Sat, 08 Dec 2012 02:00:01 +0000
ld GNU ld (GNU Binutils) 2.22
distcc 3.1 i686-pc-linux-gnu [enabled]
ccache version 3.1.8 [enabled]
app-shells/bash:          4.2_p37
dev-java/java-config:     2.1.11-r3
dev-lang/python:          2.7.3-r2, 3.2.3
dev-util/ccache:          3.1.8
dev-util/cmake:           2.8.9
dev-util/pkgconfig:       0.27.1
sys-apps/baselayout:      2.1-r1
sys-apps/openrc:          0.11.6
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.13, 2.68
sys-devel/automake:       1.9.6-r3, 1.11.6
sys-devel/binutils:       2.22-r1
sys-devel/gcc:            4.5.4
sys-devel/gcc-config:     1.7.3
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r3
sys-kernel/linux-headers: 3.6 (virtual/os-headers)
sys-libs/glibc:           2.15-r3
Repositories:

gentoo
    location: /mnt/portage/tree
    sync: rsync://gaia/gentoo-portage
    priority: -1000

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FETCHCOMMAND_SSH="bash -c "x=\${2#ssh://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port=22 ; exec rsync --rsh=\"ssh -p\${port}\" -avP \"\${host}:/\${x#*/}\" \"\$1\"" rsync "${DISTDIR}/${FILE}" "${URI}""
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GCC_SPECS=""
GDK_USE_XFT="1"
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GRUB_PLATFORMS=""
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GS_LIB="/home/pierre/.fonts"
GTK2_RC_FILES="/etc/gtk-2.0/gtkrc:/home/pierre/.gtkrc-2.0:/home/pierre/Config/kde4.cfg/share/config/gtkrc-2.0"
GTK_RC_FILES="/etc/gtk/gtkrc:/home/pierre/.gtkrc:/home/pierre/Config/kde4.cfg/share/config/gtkrc"
HG="/usr/bin/hg"
HISTSIZE="1024"
HOME="/home/pierre"
INFOPATH="/usr/share/info:/usr/share/gcc-data/i686-pc-linux-gnu/4.5.4/info:/usr/share/binutils-data/i686-pc-linux-gnu/2.22/info:/usr/share/info/emacs-24"
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Comment 1 eipi 2012-12-08 23:36:54 UTC
Created attachment 331844 [details]
Mediatomb log showing transcoding is launched two times for a single media file.
Comment 2 Ian Whyman (thev00d00) gentoo-dev 2013-07-09 19:35:45 UTC
I don't use the transcoding functionality, so I'm not going to be able to help here.

Have you tried raising the issue upstream?

Is this still an issue with the latest version?
Comment 3 Ian Whyman (thev00d00) gentoo-dev 2014-02-06 21:43:13 UTC
No response in ~7 months... closing.