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• Http Live Streaming - Segmenting mp3 on Linux

  14 mai 2012, par krisbulman

  I simply want to segment an mp3 for HTTP Live Streaming in any linux distro (preferably CentOS) for the purpose of audio streaming to an iOS app.

  Out of the linux segmenters, I can get the following to compile in CentOS.

  1. http://wiki.andy-chu.com/doku.php?id=http_live_streaming (not sure last time this was updated)

  2. m3u8-segmenter on github (updated months ago)

  3. https://github.com/carsonmcdonald/HTTP-Live-Video-Stream-Segmenter-and-Distributor [ruby wrappers + c] (last updated 2 years ago, and a v2 branch 9 months old)

  In order to prep the file for segmenting, here is the ffmpeg conversion string to generate a valid ts file :

  $ ffmpeg -er 4 -i input.mp3 -f mpegts -acodec libmp3lame -ar 22050 -ab 32k -vn output.ts

  Each of the segmenters require various input switches, all quite simple, and all crash out with a seg fault. #2 actually does some segmenting, but faults after 56 segments every time. I've tried various mp3s with the same results. The issue queues for 2 & 3 are full, with no responses in months of the same issues.

  Others must be doing this in a live production environment that isn't running OSX.. what are your methods ?

• Anomalie #3749 (Nouveau) : Absence de proposition de mise à jour

  12 mars 2016, par Franck Dalot

  Bonjour
  SPIP 3.1.0 [22707] en prenant le zip ici : https://core.spip.net/projects/spip/wiki
  Prefix des tables : test19
  Installation en Mysql
  PHP Version 5.6.17 chez ovh
  Le htaccess.txt est toujours sous cette forme (en bref, il y en a pas)

  A savoir, le site de test n’est pas à la racine, mais dans un sous sous-dossier ! ( .../spip3/spip19 )
  Quand je vais dans l’espace privé de spip, je n’ai pas l’info comme quoi, la version 3.1.1 est dispo !
  Les taches cron "semblent" ok car le temps change, j’ai essayer "exécuter maintenant" et "réinitialiser la listes des travaux", mais rien n’y fait

  Le problème ne semble présent que sur la version 3.1 de spip, car sur un autre site en SPIP 3.0.21 [22462], j’ai bien le lien avec le message "La version 3.1.1 de SPIP est disponible"
  Concernant ce lien, il envoi vers http://files.spip.org/spip/ cela ne serait pas mieux qu’il dirige vers http://files.spip.net/spip/stable/ ?
  Franck

• How Many Default Languages ?

  26 janvier 2012, par Multimedia Mike — Programming

  I was thinking back to my childhood, when my family first owned a computer. It was an MS-DOS-powered IBM PC. The default OS came with 2 programming environments, such as they were : GW-BASIC and batch files. It was a start, I suppose. I guess most any microcomputer you can name from that era came with some kind of BASIC interpreter. That defined the computer’s “out of the box” programmability.

  Then I started wondering how this compares to computers (operating systems/distributions, really) these days. So I installed a fresh version of the latest Ubuntu Linux version (11.10 as of this writing ; x86_32) and looked for programmability (without installing anything else). This is what I came up with :

  1. gcc/C (only the C compiler ; other components of the GNU compiler collection are installed separately)
  2. Perl
  3. Python
  4. C#, as furnished by Mono
  5. Bash — can’t forget about the shell as a full-featured programming language (sh is also present, but not t/csh)
  6. JavaScript — since Firefox is installed per default, JS counts
  7. GNU Assember — thanks to Reimar for the reminder that if gcc is present, gas necessarily needs to be there as well

  I checked on C++, Objective C, Java, Ada, Fortran, Go, Lua, Ruby, Tcl, PHP, R and other languages I could think of, but the above items were the only ones present by default. At the same time, I checked my Mac OS X (10.6) box and it also has Ruby and PHP installed. It has a bunch of other languages, courtesy of Xcode, so I can’t certify anything about its out of the box programmability.

  Still, I think “embarrassment of riches” pretty well sums it up. I try not to be crotchety old fogey complaining that kids these days don’t know how good they have it ; rather, I’m genuinely excited for anyone who wants to leap into computer programming in this day and age.