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  • Pas question de marché, de cloud etc...

    10 avril 2011

    Le vocabulaire utilisé sur ce site essaie d’éviter toute référence à la mode qui fleurit allègrement
    sur le web 2.0 et dans les entreprises qui en vivent.
    Vous êtes donc invité à bannir l’utilisation des termes "Brand", "Cloud", "Marché" etc...
    Notre motivation est avant tout de créer un outil simple, accessible à pour tout le monde, favorisant
    le partage de créations sur Internet et permettant aux auteurs de garder une autonomie optimale.
    Aucun "contrat Gold ou Premium" n’est donc prévu, aucun (...)

  • Automated installation script of MediaSPIP

    25 avril 2011, par

    To overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
    You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
    The documentation of the use of this installation script is available here.
    The code of this (...)

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

Sur d’autres sites (12190)

  • change audio part from mkv video file to flac audio file without losing quality [closed]

    29 août 2023, par Jimmy wu

    how could I write a Linux command to manipulate ffmpeg to change audio part from mkv video file to flac audio file without losing quality ?

    


    I use following command and I found that the size of audio file is almost the same as video file.

    


    ffmpeg -i "2023-08-28 15-32-02.mkv" -ss 0:0:0 -to 1:9:2

8 -vn -c:a flac 2023_08_28_CPU_DV_1.flac


    


    what command should I use ?

    


    I want to change "only audio part" from mkv video file to flac audio file without losing quality,

    


    then the size of file would not be that big

    


  • ffmpeg extracts only part of 1 audio stream from .ts file

    6 juillet 2020, par Shakalakah

    Here is what ffprobe input.ts shows :

    


      libavutil     56. 55.100 / 56. 55.100
  libavcodec    58. 93.100 / 58. 93.100
  libavformat       58. 47.100 / 58. 47.100
  libavdevice       58. 11.100 / 58. 11.100
  libavfilter         7. 86.100 /  7. 86.100
  libswscale          5.  8.100 /  5.  8.100
  libswresample       3.  8.100 /  3.  8.100
  libpostproc       55.  8.100 / 55.  8.100
Input #0, mpegts, from 'D:\Downloads\TEST\audio.ts':
  Duration: 02:22:29.67, start: 0.000000, bitrate: 51 kb/s
  Program 1
    Stream #0:0[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 83 kb/s


    


    So the length of .ts file is 2h:22m:29.67s and looks like it contains only audio (AAC) : when i open it in Windows Media Player i can jump to any position within the 2h:22m range and hear sound playing, and there is no video on the screen. This makes me think the extracted audio will also be of 2h:22m length, but i get only a 51m:14s file.

    I tried the following commands :

    1) ffmpeg -i input.ts -vn -acodec copy outputaudio.aac

    2) ffmpeg -i input.ts -map 0:v -map 0:a -c copy outputaudio.aac (as far as i understood this is "extract ALL audiotracks" command)

    3) ffmpeg -i input.ts -ss 00:00:00 -t 02:22:29.6 -q:a 0 -map a outputaudio.aac (to force extraction to the full length, i.e. 2h:22m)

    4) ffmpeg -i input.ts -map 0:a outputaudio.aac -map 0:v outputonlyvideo.avi (i heard this is an alternative way to force extraction of full-length audio through simultaneous extraction of video. Though looks like my .ts has no video, i decided to try this command too and got an error message : Stream map '0:v' matches no streams)

    What am i doing wrong ? Which alternative commands can i try ?

    Is it possible, that the real length of audio stream is 51m:14s only ? But why i can listen to all 2h:22m length in Windows Media Player - could 51m:14s piece be somehow looped inside .ts to create an impression of 2h:22m length ?

    


  • HTML5 audio : If no flash, try forcing useHTML5Audio = true (eg. desktop safari.) Flash detection tweak. Improved _iO vs. old _iO URL detection, rather than .src which gets translated from local paths to file :// etc. Removed some HTML5 debug ish.

    1er février 2011, par Scott Schiller

    m script/soundmanager2-jsmin.js m script/soundmanager2-nodebug-jsmin.js m script/soundmanager2-nodebug.js m script/soundmanager2.js HTML5 audio : If no flash, try forcing useHTML5Audio = true (eg. desktop safari.) Flash detection tweak. Improved _iO vs. old _iO URL detection, rather than .src (...)

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