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Autres articles (57)

  • 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 (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Personnaliser en ajoutant son logo, sa bannière ou son image de fond

    5 septembre 2013, par

    Certains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;

Sur d’autres sites (6288)

  • Why does mplayer not play my stream ?

    17 juillet 2016, par SirWindfield

    I wanted to use mplayer (a command line tool) to play a SoundCloud url that I fetched with there official API. The url looks like this

    https://cf-media.sndcdn.com/qop35iYKlHhs.128.mp3?Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiKjovL2NmLW1lZGlhLnNuZGNkbi5jb20vcW9wMzVpWUtsSGhzLjEyOC5tcDMiLCJDb25kaXRpb24iOnsiRGF0ZUxlc3NUaGFuIjp7IkFXUzpFcG9jaFRpbWUiOjE0Njg3NTM4NjB9fX1dfQ__&Signature=OZ4IawmjdU6hEN8KB8e~t3QTy4lBFVBbIDg-a6tuPkb65e0mPskkCFFASkTWbyy5lsaT9IrURan6y70sZhLXPbng1IfkTsGdX1dO938NwVYnKs-BS7IL4TiVFxTBXoKJgmCmUD0qmmGmYqm3YdGZQrP~Sj~mw9~fmtwdHQu0rhl3O-dKsgk497JAR6pMorQs7BSs0XIosV1Mmv2DMD6iifquCWV9Ezq4ekneQ1gfSjVmzjjnKvsxjPpgmU~5DTdewwzlNClVxdzHSQONWM7c0YMGlBcVz97NviaeZOQSCAW8QZS59WULXJBJ9OmEPctWtpe3O0mo-GYjwEkbVGYl9A__&Key-Pair-Id=APKAJAGZ7VMH2PFPW6UQ

    I use the command "mplayer ’url’" to play it but I always get the output :

    libavformat version 57.25.100 (internal)
    
https protocol not found, recompile FFmpeg with openssl, gnutls,
    
or securetransport enabled.

    Looking which protocols have been installed tells me that I have https input and output support (ffmpeg -protocols) :

    ffmpeg version 3.1.1 Copyright (c) 2000-2016 the FFmpeg developers
    
  built with Apple LLVM version 7.3.0 (clang-703.0.31)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/3.1.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libfaac --enable-ffplay --enable-libspeex --enable-openssl --enable-libopus --disable-lzma --enable-nonfree --enable-vda
    
  libavutil      55. 28.100 / 55. 28.100
    
  libavcodec     57. 48.101 / 57. 48.101
    
  libavformat    57. 41.100 / 57. 41.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 47.100 /  6. 47.100
    
  libavresample   3.  0.  0 /  3.  0.  0
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  1.100 /  2.  1.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
Supported file protocols:
    
Input:
    
  async
    
  cache
    
  concat
    
  crypto
    
  data
    
  file
    
  ftp
    
  gopher
    
  hls
    
  http
    
  httpproxy
    
  https
    
  mmsh
    
  mmst
    
  pipe
    
  rtp
    
  srtp
    
  subfile
    
  tcp
    
  tls
    
  udp
    
  udplite
    
  unix
    
  rtmp
    
  rtmpe
    
  rtmps
    
  rtmpt
    
  rtmpte
    
Output:
    
  crypto
    
  file
    
  ftp
    
  gopher
    
  http
    
  httpproxy
    
  https
    
  icecast
    
  md5
    
  pipe
    
  rtp
    
  srtp
    
  tcp
    
  tls
    
  udp
    
  udplite
    
  unix
    
  rtmp
    
  rtmpe
    
  rtmps
    
  rtmpt
    
  rtmpte

  • ffmpeg fails to read header of audio while creating video at 1080p@24fps

    15 juillet 2016, par asad

    I am trying to create video by merging rawvideo frames from opengl, .m4a audio file and .png image(logo). With videos of small duration (2-3 min) at 108p@24fps, following code works fine. But if the video is larger (10 min), code fails. FFmpeg gives following error log :

    ffmpeg version N-80097-g89e9393 Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
    
  configuration: --prefix=/home/ec2-user/ffmpeg_build --extra-cflags=-I/home/ec2-user/ffmpeg_build/include --extra-ldflags=-L/home/ec2-user/ffmpeg_build/lib --bindir=/home/ec2-user/bin --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265
    
  libavutil      55. 24.100 / 55. 24.100
    
  libavcodec     57. 43.100 / 57. 43.100
    
  libavformat    57. 37.100 / 57. 37.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 46.100 /  6. 46.100
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, rawvideo, from 'pipe:0':
    
  Duration: N/A, start: 0.000000, bitrate: 314818 kb/s
    
    Stream #0:0: Video: rawvideo (BGRA / 0x41524742), bgra, 854x480, 314818 kb/s, 24 tbr, 24 tbn
    
Input #1, png_pipe, from '/home/ec2-user/logo-watermark-green_tpd.png':
    
  Duration: N/A, bitrate: N/A
    
    Stream #1:0: Video: png, rgba(pc), 287x185, 25 tbr, 25 tbn
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3b71d00] error reading header
    
/home/ec2-user/decryptedData/audios/Blrt_Decrypt_tfss-29882287-c1d5-4c54-b674-87e9de4a9e38-audio.m4a: Invalid data found when processing input
    
"rjRoYZaDA1_854x480@24fps_1468547071.txt"

    Code i am using is following :

    /home/ec2-user/bin/ffmpeg \
    
-framerate 24 -f rawvideo -pixel_format rgb32 -video_size 854x480 -i pipe:0 \
    
-i /home/ec2-user/logo-watermark-green_tpd.png \
    
-i /home/ec2-user/decryptedData/audios/Blrt_Decrypt_tfss-29882287-c1d5-4c54-b674-87e9de4a9e38-audio.m4a \
    
-filter_complex "[0:v]vflip[main];[1:v]scale=854/10:-1[si], \
    
[main][si]overlay=main_w-overlay_w:main_h-overlay_h:format=rgb,format=yuv420p" \
    
-c:v libx264 \
    
-c:a copy /home/ec2-user/videos/rjRoYZaDA1_854x480@24fps_1468563244030.mp4 \
    
2> /home/ec2-user/logs/rjRoYZaDA1_854x480@24fps_1468563244.txt

    Is it related to any memory ?

  • ffmpeg failed to read header of audio file

    15 juillet 2016, par asad

    The file i am using (.m4a format) cant be read by ffmpeg. I can play this audio file in quicktime and vlc successfully. ffmpeg fails to read this particular file only. ffmpeg works with other .m4a files. Note:following works for this video too if i lower fps to 1 and resolution to 480p Following is the log :

    ffmpeg version N-80097-g89e9393 Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
    
  configuration: --prefix=/home/ec2-user/ffmpeg_build --extra-cflags=-I/home/ec2-user/ffmpeg_build/include --extra-ldflags=-L/home/ec2-user/ffmpeg_build/lib --bindir=/home/ec2-user/bin --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265
    
  libavutil      55. 24.100 / 55. 24.100
    
  libavcodec     57. 43.100 / 57. 43.100
    
  libavformat    57. 37.100 / 57. 37.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 46.100 /  6. 46.100
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, rawvideo, from 'pipe:0':
    
  Duration: N/A, start: 0.000000, bitrate: 314818 kb/s
    
    Stream #0:0: Video: rawvideo (BGRA / 0x41524742), bgra, 854x480, 314818 kb/s, 24 tbr, 24 tbn
    
Input #1, png_pipe, from '/home/ec2-user/logo-watermark-green_tpd.png':
    
  Duration: N/A, bitrate: N/A
    
    Stream #1:0: Video: png, rgba(pc), 287x185, 25 tbr, 25 tbn
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3b71d00] error reading header
    
/home/ec2-user/decryptedData/audios/Blrt_Decrypt_tfss-29882287-c1d5-4c54-b674-87e9de4a9e38-audio.m4a: Invalid data found when processing input
    
"rjRoYZaDA1_854x480@24fps_1468547071.txt"

    Following is the code :

    /home/ec2-user/bin/ffmpeg \
    
-framerate 24 -f rawvideo -pixel_format rgb32 -video_size 854x480 -i pipe:0 \
    
-i /home/ec2-user/logo-watermark-green_tpd.png \
    
-i /home/ec2-user/decryptedData/audios/Blrt_Decrypt_tfss-29882287-c1d5-4c54-b674-87e9de4a9e38-audio.m4a \
    
-filter_complex "[0:v]vflip[main];[1:v]scale=854/10:-1[si], \
    
[main][si]overlay=main_w-overlay_w:main_h-overlay_h:format=rgb,format=yuv420p" \
    
-c:v libx264 \
    
-c:a copy /home/ec2-user/videos/rjRoYZaDA1_854x480@24fps_1468563244030.mp4 \
    
2> /home/ec2-user/logs/rjRoYZaDA1_854x480@24fps_1468563244.txt

    Please let me know what can possibly be done ?

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