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Old 07-31-2014, 10:26 AM   #1
tarunchawla
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Registered: Mar 2010
Location: New Delhi,India
Distribution: Ubuntu 14.04
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Convering webex ARF to mp4


Hi Everyone!

I am pursuing MS and I need to play arf content in lubuntu14.04 provided by my teacher. I tried to convert video using nbr2mp4 but it does not produce any output when I followed the instructions on webex website. Is there any tool like ffmpeg to convert video in arf container to mp4. Please help me in getting it converted, I have tried to use wine and run webex but it does not run.

Warm Regards,
Tarun
 
Old 07-31-2014, 02:31 PM   #2
heytimc
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This worked for me:

http://blog.ricardoamaro.com/content...-linux-desktop

what arguments are you giving to the nbr2mbp4 command?
 
Old 08-01-2014, 06:13 AM   #3
antriksh
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Check these below links and see if they help you:

http://www.johnoriordan.ie/index.php...ayer-on-linux/

http://blog.sudobits.com/2010/06/24/...u-10-04-linux/
 
Old 08-01-2014, 12:04 PM   #4
tarunchawla
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Quote:
Originally Posted by heytimc View Post
This worked for me:

http://blog.ricardoamaro.com/content...-linux-desktop

what arguments are you giving to the nbr2mbp4 command?
I am using this command:
tarun@chawla:~/Downloads/nbr2_mp4$ sudo ./nbr2mp4 ../ISZC462-L1-Part-1.arf ../ 10
Converting /home/tarun/Downloads/ISZC462-L1-Part-1.arf to /home/tarun/Downloads/nbr2_mp4/../ISZC462-L1-Part-1.mp4
Retrieving video data, fps=10...
Retrieving audio data...
No audio data
AVC-H264 import - frame size 1024 x 576 at 10.000 FPS
Import results: 16653 samples - Slices: 278 I 16375 P 0 B - 0 SEI - 278 IDR
Saving /tmp/wbx_nbr_2448.mp4: 0.500 secs Interleaving
But is showing no audio data and no video is seen. It is just showing some table on right side.

@Antriksh I am using nb2mp4 in lubuntu 14.04 but it is not working, have you checked this on 14.04?

Last edited by tarunchawla; 08-01-2014 at 12:10 PM.
 
Old 08-02-2014, 04:38 AM   #5
tarunchawla
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when I am trying to convert video to mp4 , this is my observation:
1. A file named .wbx_nbr_12528 is created when I input the command.
2 When I double click on the above file, that command completed itself and mp4 file is seen and mp4 file has only some frames with no audio.
3. If I don't click this file command gets stucked showing retrieving video data.

Please help.

Last edited by tarunchawla; 08-02-2014 at 05:08 AM.
 
Old 10-12-2014, 05:54 AM   #6
tarunchawla
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Use this link:http://blog.ricardoamaro.com/content...-linux-desktop, it takes more time to convert so be patient if you have around 60-70mb arf video.

Other wise use window tool to convert your windows from here : https://welcome.webex.com/client/T27LC/nbr2player.msi.
 
Old 06-29-2015, 03:11 AM   #7
angiepuller
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ARF, standing for “advanced recording file”, is a file extension for a WebEx advanced recording file from a network-based recording. An ARF file contains the video data, a table of contents, an attendee list, and other information on separate panels. The ARF file extension is for recordings downloaded by the user. The ARF file extension is also used for automatic response files. The *.arf files are WebEx recordings directly downloaded by the user.

However, we often meet problems when open or play ARF files. To open or play ARF files with zone problems, it is nice to convert ARF to MP4, convert ARF to WMV, MP3 or other common video and audio formats.You may find a nice guide on how to convert ARF to MP4, convert ARF to WMV, MP3 with Cicever ARF Converter. Just find it on Google.
 
Old 02-02-2016, 03:55 PM   #8
Alexx
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Just to save people some work. This thread is mark as solved but I can't find any solution anywhere. The previous post refers to Windows. The next previous refers to a broken link. The link in the second post also doesn't solve the problem. For me it just hangs for 4 hours displaying:

xxx@ubuntu:~/tmp/nbr2_mp4$ ./nbr2mp4 "/home/felix/Downloads/Core Conference-20160118 1855-1.arf" ../ 10
Converting /home/felix/Downloads/Core Conference-20160118 1855-1.arf to /home/felix/tmp/nbr2_mp4/../Core Conference-20160118 1855-1.mp4
Retrieving video data, fps=10...

any help appreciated.
 
Old 05-04-2016, 04:48 PM   #9
OnOffPT
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Registered: Nov 2005
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After some digging I found that this util doesn't work due to a missing dependency.

In my case is was the 32bit version of libasound2-plugins which you can install with:
sudo apt-get install libasound2-plugins:i386

Last edited by OnOffPT; 05-04-2016 at 07:28 PM.
 
Old 05-05-2016, 02:41 AM   #10
Alexx
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Thanks for trying. I just don't know where the fault is, I have given up and leave them as .arf's. Symptoms are still the same, as #8.

When I tried:
sudo apt-get install libasound2-plugins:i386
I found I already had the latest version. Running 14.04
 
Old 05-05-2016, 01:05 PM   #11
OnOffPT
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Once that library is installed the process at least runs and it's actually doing something.
The problem is that it never ends.

The good news is that it's unpacking the H.264 Elementary from the ARF file and this file can be found in the /tmp folder with a .h264 extension.

You can find this by checking which file descriptors the process is touching by running the following command WHILE the nbr2mp4 script is running (on a separate bash):
$ ll /proc/`pidof nbr_play`/fd
dr-xr-xr-x 9 0 May 5 10:43 ../
lrwx------ 1 64 May 5 10:43 9 -> /tmp/atclient.log
lrwx------ 1 64 May 5 10:43 8 -> /tmp/atlog.log
lrwx------ 1 64 May 5 10:43 7 -> socket:[31479778]
lrwx------ 1 64 May 5 10:43 6 -> socket:[31479777]
l-wx------ 1 64 May 5 10:43 5 -> /tmp/wbxtra_05052016_104315.wbt
lrwx------ 1 64 May 5 10:43 4 -> anon_inode:[eventfd]
lrwx------ 1 64 May 5 10:43 3 -> socket:[31487569]
l-wx------ 1 64 May 5 10:43 2 -> /dev/null
########
lrwx------ 1 64 May 5 10:43 17 -> /tmp/wbx_nbr_36042.h264 <- That's your H264 Elementary Stream (video only) file
########
lrwx------ 1 64 May 5 10:43 16 -> /[MY_FOLDER]/nbr2_mp4/.wbx_nbr_36057|
lrwx------ 1 64 May 5 10:43 15 -> /tmp/pdtemp/27316310836057.20165451743150tmp.nbr
lrwx------ 1 64 May 5 10:43 14 -> /dev/snd/controlC0
lrwx------ 1 64 May 5 10:43 12 -> anon_inode:[eventfd]
lrwx------ 1 64 May 5 10:43 11 -> anon_inode:[eventfd]
lrwx------ 1 64 May 5 10:43 10 -> socket:[31489421]
lrwx------ 1 64 May 5 10:43 1 -> /dev/pts/31
lrwx------ 1 64 May 5 10:43 0 -> /dev/pts/31
dr-x------ 2 0 May 5 10:43 ./

For some reason nbr_play never stops and keeps appending something to /tmp/wbx_nbr_36042.h264
This file can be played with VLC but something is still not right, it seems like the video is stuck at the start.
I'll keep updating this if I find anything new.
 
Old 05-03-2017, 08:53 PM   #12
Glassione
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Registered: Apr 2017
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Hi

The first way to convert ARF by WebEx recording player is to use WebEx built-in video converter to convert it to MP4 but you must pay for it and register another account
The second way, like what this article mentioned http://www.videoconverterfactory.com...converter.html, you can use WebEx to convert ARF to WMV first, and then, stream WMV out to any other video converter and convert ARF to those common formats like MP4 and AVI
 
  


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