Recherche avancée

Médias (1)

Mot : - Tags -/lev manovitch

Autres articles (45)

  • Les vidéos

    21 avril 2011, par

    Comme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
    Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
    Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

Sur d’autres sites (7695)

  • download part youtube video with ffmpeg ?

    1er août 2020, par testoflow

    I can't get this right
    
ffmpeg works well so can you help me ?

    


    #I can't get this right

    


    #!/bin/bash
var=$(xclip -o)

if [ -z $var ]; then  
    echo 'copia url a descargar al portapapeles'  
fi  

printf "(1) download part of video without audio\n"
printf "(2) download part of audio\n"
echo
echo -n 'opcion: '
read opcion
case $opcion in
    "1") c=$(youtube-dl -g $var | awk '{ if(NR==1) print $0 }' | sed 's/^/"/;s/$/"/')  && echo -n 'start time: ' && read segundos && echo -n 'duration: ' && read duration &&  ffmpeg -i $c -ss $segundos -t $duration probe.mp4;;  
    "2") b=$(youtube-dl -g $var | awk '{ if(NR==2) print $0 }' | sed 's/^/"/;s/$/"/')  && echo $b && ffmpeg -ss 0 -i $b  -t 10 probe.mp3;;  
esac  


    


  • FFMPEG Webvtt m3u8 download into single vtt file, ignore the "X-TIMESTAMP-MAP=MPEGTS=" (timestamp sync problem)

    5 janvier 2021, par Panda Xia

    I want to download the subtitle of a video, it has separated m3u8 file for subtitle :

    


    webvtt source in m3u8 format : https://sdn-global-streaming-cache.3qsdn.com/9378/files/19/05/1199332/Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes.ism/Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes-textstream_deu=1000.m3u8

    


    looks like :

    


    #EXTM3U
#EXT-X-VERSION:4
## Created with Unified Streaming Platform(version=1.9.5)
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-MEDIA-SEQUENCE:1
#EXT-X-INDEPENDENT-SEGMENTS
#EXT-X-TARGETDURATION:989
#USP-X-TIMESTAMP-MAP:MPEGTS=900000,LOCAL=1970-01-01T00:00:00Z
#EXTINF:24.72, no desc
Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes-textstream_deu=1000-1.webvtt
#EXTINF:2.56, no desc
Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes-textstream_deu=1000-13.webvtt
#EXTINF:50.88, no desc
Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes-textstream_deu=1000-14.webvtt
#EXTINF:3.079, no desc
Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes-textstream_deu=1000-40.webvtt
#EXTINF:60.401, no desc
....


    


    Then use the command to download the multiple webvtts into one vtt file "EN.vtt" :

    


    ffmpeg -i  "https://sdn-global-streaming-cache.3qsdn.com/9378/files/19/05/1199332/Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes.ism/Dqt6jZBkvX2nLyY4CGhxmpK89PbQRFV7-drm-aes-textstream_deu=1000.m3u8"  "DE.vtt"


    


    In output "DE.vtt" the X-TIMESTAMP-MAP=MPEGTS:xxxxxx,LOCAL:00:00:00.000 from each webvtt file (webvtt in m3u8) are ignored.

    


    so that the time Synchronisation is broken, the start time of each Segment always begins from 00:00:00, looks like :

    


    WEBVTT

00:00.000 --> 00:02.560
So viel Macht.

00:00.000 --> 00:03.079
Was er sagte.

00:00.000 --> 00:04.680
oder
die Schönheit

00:00.000 --> 00:01.440
Er sagte immer:

00:00.000 --> 00:03.840
Auf seinen Klang 

00:00.000 --> 00:07.519
Seine Paranoia.


    


    Could ffmpeg support the relative time stamp to convert into absolute time stamp ?
Or use other method to download perfect webvvt file ?

    


  • unable to download youtube video portion via extracted video URL from youtube-dl and ffmpeg

    29 juillet 2020, par karma

    I've read the following link, and did :

    


    youtube-dl --rm-cache-dir


    


    But it still give me 403 forbidden.

    


    This is my process :

    


    youtube-dl -g https://www.youtube.com/watch?v=kGDgGsrA78s


    


    It gave me a result like this :

    


    https://r2---sn-uigxxi0ujipnvo-q2ne.googlevideo.com/videoplayback?expire=1596034295&ei=lzghX6SHKMOD8QPlx5SQBw&ip=223.255.228.87&id=o-AK6cYo88zJXe5Xb4y1QsXspuRnVCy-zPFpMaHcAaTQ-_&itag=137&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278&source=youtube&requiressl=yes&mh=DA&mm=31%2C29&mn=sn-uigxxi0ujipnvo-q2ne%2Csn-npoe7nlz&ms=au%2Crdu&mv=m&mvi=2&pl=24&initcwndbps=173750&vprv=1&mime=video%2Fmp4&gir=yes&clen=456970484&dur=1389.955&lmt=1521825834085900&mt=1596012582&fvip=5&keepalive=yes&fexp=23883098&c=WEB&sparams=expire%2Cei%2Cip%2Cid%2Caitags%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRgIhAMvZrHYvC1YrkvtARzhjyD8dnMnlefobGrOFM1rX6QZPAiEAqqeIsKdZ19y-SlHf-l8YwTx2yYbo1p5sFlVoC87oXEQ%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgAIwAVMPrcMhAL476uN_ZzWj8vKPGGW58KCpHBYBsKeICICRgVWgthNvgbGl8VgQwscjJ0n8ib4XBNjRxRgSg2T5r&ratebypass=yes
https://r2---sn-uigxxi0ujipnvo-q2ne.googlevideo.com/videoplayback?expire=1596034295&ei=lzghX6SHKMOD8QPlx5SQBw&ip=223.255.228.87&id=o-AK6cYo88zJXe5Xb4y1QsXspuRnVCy-zPFpMaHcAaTQ-_&itag=140&source=youtube&requiressl=yes&mh=DA&mm=31%2C29&mn=sn-uigxxi0ujipnvo-q2ne%2Csn-npoe7nlz&ms=au%2Crdu&mv=m&mvi=2&pl=24&initcwndbps=173750&vprv=1&mime=audio%2Fmp4&gir=yes&clen=22077901&dur=1390.039&lmt=1521818817521456&mt=1596012582&fvip=5&keepalive=yes&fexp=23883098&c=WEB&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRQIhANHMaZK4jYg7p4t2dID3d21VRv18I1nhBtXqYRSZo0C7AiAEjO8LwjhXeNQiKqdiZFQ_DsHuXT4rgvPnNQhaDGj9hg%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgAIwAVMPrcMhAL476uN_ZzWj8vKPGGW58KCpHBYBsKeICICRgVWgthNvgbGl8VgQwscjJ0n8ib4XBNjRxRgSg2T5r&ratebypass=yes


    


    The result gave me two URL, so I only copy the first line and since what I want is just to copy a few minutes video portion - so in ffmpeg :

    


    ffmpeg -ss 00:00:15.00 -i https://r2---sn-uigxxi0ujipnvo-q2ne.googlevideo.com/videoplayback?expire=1596034295&ei=lzghX6SHKMOD8QPlx5SQBw&ip=223.255.228.87&id=o-AK6cYo88zJXe5Xb4y1QsXspuRnVCy-zPFpMaHcAaTQ-_&itag=140&source=youtube&requiressl=yes&mh=DA&mm=31%2C29&mn=sn-uigxxi0ujipnvo-q2ne%2Csn-npoe7nlz&ms=au%2Crdu&mv=m&mvi=2&pl=24&initcwndbps=173750&vprv=1&mime=audio%2Fmp4&gir=yes&clen=22077901&dur=1390.039&lmt=1521818817521456&mt=1596012582&fvip=5&keepalive=yes&fexp=23883098&c=WEB&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRQIhANHMaZK4jYg7p4t2dID3d21VRv18I1nhBtXqYRSZo0C7AiAEjO8LwjhXeNQiKqdiZFQ_DsHuXT4rgvPnNQhaDGj9hg%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgAIwAVMPrcMhAL476uN_ZzWj8vKPGGW58KCpHBYBsKeICICRgVWgthNvgbGl8VgQwscjJ0n8ib4XBNjRxRgSg2T5r&ratebypass=yes -t 00:00:10.00 -c copy out.mp4


    


    But then the result in command prompt is like this :

    


    ffmpeg version N-93300-g96451477b9 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8.2.1 (GCC) 20190212
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  libavutil      56. 26.100 / 56. 26.100
  libavcodec     58. 47.103 / 58. 47.103
  libavformat    58. 26.101 / 58. 26.101
  libavdevice    58.  6.101 / 58.  6.101
  libavfilter     7. 48.100 /  7. 48.100
  libswscale      5.  4.100 /  5.  4.100
  libswresample   3.  4.100 /  3.  4.100
  libpostproc    55.  4.100 / 55.  4.100
[https @ 0000020137c895c0] HTTP error 403 Forbidden
https://r2---sn-uigxxi0ujipnvo-q2ne.googlevideo.com/videoplayback?expire=1596034295: Server returned 403 Forbidden (access denied)
'ei' is not recognized as an internal or external command,
operable program or batch file.
'ip' is not recognized as an internal or external command,
operable program or batch file.
'id' is not recognized as an internal or external command,
operable program or batch file.
.... and so on....


    


    BTW, I've also tried to copy the second URL, still 403 error.
    
I also tried to copy both URL, still 403 error.

    


    On the other hand, when I tried to paste the URL into Internet Download Manager,
    
IDM directly recognized the URL and I can download the file via IDM.

    


    Is there a way to resolve this ?

    


    Any kind of respond would be greatly appreciated.
    
Thank you in advanced.

    


    EDIT :
I'm very sorry for my ignorant.
    
It turn out I need to put apostrophe at the beginning and at the end of the URL :).

    


    Dear moderator, please close this thread.
    
Thank you for you all.