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26 septembre 2011, par
Mis à jour : Avril 2013
Langue : English
Type : Audio
Autres articles (52)
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HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
De l’upload à la vidéo finale [version standalone]
31 janvier 2010, parLe chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
Upload et récupération d’informations de la vidéo source
Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...) -
Librairies et binaires spécifiques au traitement vidéo et sonore
31 janvier 2010, parLes logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
Binaires obligatoires FFMpeg : encodeur principal, permet de transcoder presque tous les types de fichiers vidéo et sonores dans les formats lisibles sur Internet. CF ce tutoriel pour son installation ; Oggz-tools : outils d’inspection de fichiers ogg ; Mediainfo : récupération d’informations depuis la plupart des formats vidéos et sonores ;
Binaires complémentaires et facultatifs flvtool2 : (...)
Sur d’autres sites (11357)
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How to extract part of audio using youtube-dl ?
2 janvier 2019, par Vishesh SharmaI am using windows 10 and I would like to know how to extract part of the audio from youtube videos using the cmd.
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Piping output of youtube-dl to a script using ffmpeg looks ok using echo but returns an error when executing
22 février 2016, par user556068I am trying to use youtube-dl to get the urls of some videos and then pipe the resulting urls into the input of my script. So in my terminal I do
youtube-dl --ignore-config -iga ~/Desktop/youtube/videolist.txt | myscript.sh
In my script I define things as
command='ffmpeg'
inputArgs='-i'
outputArgs='-c:v libx264 -preset ultrafast -qp 0'
directory="${HOME}/Desktop/Videos/"
output="video${count}"
extension='mp4'I test it with
echo
to make sure everything appears in the correct order.echo "${command}" "${inputArgs}" "${input}" "${outputArgs}" \
"${directory}""${output}${count}"."${extension}"And the output from that looks correct. But when I try to run the same thing without the preceding
echo
command, i.e.,"${command}" "${inputArgs}" "${input}" "${outputArgs}" \
"${directory}""${output}${count}"."${extension}"I get an error message that says
At least one output file must be specified.
So it seems pretty obvious to me that I’m doing something wrong when attempting to execute it.
I have tried :
- quoting the entire line as a whole
- quoting different sections together
- using the
exec
command in front of everything
No matter what I do, an error occurs at some point in the process. I know it’s something simple I’m doing wrong. Would someone please enlighten me as to what that might be ?
I feel very strongly that the
.
shouldn’t just be in the middle of everything like that, but I really don’t know.Again, everything looks as it should when I run
echo
before the string of shell parameters.If more of the script I’m using is needed to understand what I’m talking about, that is not a problem.
-
Piping output of youtube-dl to a script using ffmpeg looks ok using echo but returns an error when executing
29 mai 2020, par I0_olI am trying to use youtube-dl to get the urls of some videos and then pipe the resulting urls into the input of my script. So in my terminal I do



youtube-dl --ignore-config -iga ~/Desktop/youtube/videolist.txt | myscript.sh




In my script I define things as



command='ffmpeg' 
inputArgs='-i' 
outputArgs='-c:v libx264 -preset ultrafast -qp 0' 
directory="${HOME}/Desktop/Videos/"
output="video${count}" 
extension='mp4' 




I test it with
echo
to make sure everything appears in the correct order.


echo "${command}" "${inputArgs}" "${input}" "${outputArgs}" \
"${directory}""${output}${count}"."${extension}"




And the output from that looks correct. But when I try to run the same thing without the preceding
echo
command, i.e.,


"${command}" "${inputArgs}" "${input}" "${outputArgs}" \
"${directory}""${output}${count}"."${extension}"




I get an error message that says





At least one output file must be specified.





So it seems pretty obvious to me that I'm doing something wrong when attempting to execute it.



I have tried :



- 

- quoting the entire line as a whole
- quoting different sections together
- using the
exec
command in front of everything









No matter what I do, an error occurs at some point in the process. I know it's something simple I'm doing wrong. Would someone please enlighten me as to what that might be ?



I feel very strongly that the
.
shouldn't just be in the middle of everything like that, but I really don't know.


Again, everything looks as it should when I run
echo
before the string of shell parameters.


If more of the script I'm using is needed to understand what I'm talking about, that is not a problem.