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    En fonction de la configuration de la plateforme, l’utilisateur peu avoir à sa disposition deux méthodes différentes de demande de création de canal. La première est au moment de son inscription, la seconde, après son inscription en remplissant un formulaire de demande.
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  • MediaSPIP Core : La Configuration

    9 novembre 2010, par

    MediaSPIP Core fournit par défaut trois pages différentes de configuration (ces pages utilisent le plugin de configuration CFG pour fonctionner) : une page spécifique à la configuration générale du squelettes ; une page spécifique à la configuration de la page d’accueil du site ; une page spécifique à la configuration des secteurs ;
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  • Gestion de la ferme

    2 mars 2010, par

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Sur d’autres sites (4544)

  • Paperclip Video Skewed (does not maintain aspect ratio)

    3 septembre 2015, par zreitano

    The video uploaded does not maintain aspect ratio. In the readme (paperclip av-transcoder) it says, " ’ !’ - Keep the same aspect of the image/video, but with the passed dimension." I have also tried the other options(<># !) and none of them effect the size of the video.

    My goal is to be able to be able to have the video returned in a square (while maintaining the aspect ratio). Cropping from the center would be ideal, as well.

    Any help would be greatly appreciated. I included my code below.

    class Video &lt; Post
    

    
  Paperclip.interpolates :id do |attachment, style|
    
    attachment.instance.id
    
  end
    

    
  #basename/extension is paperclip interpolation from attachment, can write own interpolations as needed
    

    
  # have to link /usr/local/bin to the linuxbrew version of ffmpeg
    
  has_attached_file :video,  path: "/posts/videos/:id/:style.:extension",
    
  :styles => {
    
    :square => {:geometry => "500x500!", :format => 'mp4', :streaming => true }
    
  },
    
  :processors => [:transcoder]
    

    
  validates_attachment :video, :presence => true,
    
                           :content_type => { content_type: ["video/mp4", "video/mov", "video/mpeg","video/mpeg4", "video/quicktime"] }
    

    
  def video_url
    
    video = self.video
    
    if video.present?
    
      return video.url(:square)
    
    end
    
  end
    

    
end

  • Circular movie overlay ffmpeg

    1er mars 2017, par Thomas

    I’m trying to create an circular movie overlay using ffmpeg. So far I was able to make a square circular movie overlay using the following command :

    ffmpeg -i bg.mp4 -vf "movie=smaller.mp4[inner];[in][inner] overlay=92:460 [out]" final.mp4

    I want to create something like this : https://drive.google.com/open?id=0B-uBPQrx-RjUaXlkWmdMSjd4Wm8 (I cannot yet post images)

    Can someone help me out ?

    Thanks a lot !

  • FFMPEG command to crop and transpose video comes out zoomed in bad quality

    15 juillet 2015, par Brian

    I’m trying to convert an mp4 video with dimensions usually 960x720 into a sqaure 480:480 video but it comes out looking squished usually, the command is

    "-y -i %s -vf crop=480:480,transpose=%d -threads 5 -metadata:s:v rotate=0 -c:v libx264 -crf 27 -preset ultrafast -c:a copy -bsf:a aac_adtstoasc %s";

    Am I missing something, do I need to down scale first or something ?

    **EDIT adding full console output. The ffmpeg command is updated, but the goal still remains the same, take an arbitrary video and square crop it

    07-14 22:30:32.813: D/ffmpeg(30354): -y -i /data/data/com.myapp.app/cache:temp/i7h4ajm0nim1mbcnrqotvrhhsc.mp4 -vf scale=iw*sar:ih,transpose=1 -threads 5 -metadata:s:v rotate=0 -c:v libx264 -crf 27 -preset ultrafast -c:a copy -bsf:a aac_adtstoasc -aspect 1:1 /data/data/com.myapp.app/cache:temp/p1t3bhs0oa3lpqa67g5i9ninm9.ts
    
07-14 22:30:32.903: D/ffmpeg(30354): new time reamining 9283
    
07-14 22:30:32.913: D/FFmpeg(30354): Running publishing updates method
    
07-14 22:30:35.963: D/ffmpeg(30354): WARNING: linker: /data/data/com.myapp.app/files/ffmpeg has text relocations. This is wasting memory and prevents security hardening. Please fix.
    
07-14 22:30:35.963: D/ffmpeg(30354): ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
07-14 22:30:35.963: D/ffmpeg(30354):   built on Jun  3 2015 21:56:01 with gcc 4.8 (GCC)
    
07-14 22:30:35.963: D/ffmpeg(30354):   configuration: --target-os=linux --cross-prefix=/Users/Brian1/development/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/Users/Brian1/development/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-small --enable-libx264 --enable-pthreads --disable-muxers --enable-muxer=mpegts --enable-muxer=mp4 --disable-demuxers --enable-demuxer=mpegts --enable-demuxer=mov --enable-demuxer=mpeg --enable-demuxer=mp4 --disable-debug --disable-decoders --enable-decoder=h264 --enable-decoder=aac --disable-devices --disable-encoders --enable-encoder=libx264 --disable-network --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/Users/Brian1/development/ffmpeg-android/ffmpeg-pkg-config --prefix=/Users/Brian1/development/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/Users/Brian1/development/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/Users/Brian1/development/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs=-lm --extra-cxxflags=
    
07-14 22:30:35.963: D/ffmpeg(30354):   libavutil      54.  7.100 / 54.  7.100
    
07-14 22:30:35.963: D/ffmpeg(30354):   libavcodec     56.  1.100 / 56.  1.100
    
07-14 22:30:35.963: D/ffmpeg(30354):   libavformat    56.  4.101 / 56.  4.101
    
07-14 22:30:35.963: D/ffmpeg(30354):   libavdevice    56.  0.100 / 56.  0.100
    
07-14 22:30:35.963: D/ffmpeg(30354):   libavfilter     5.  1.100 /  5.  1.100
    
07-14 22:30:35.963: D/ffmpeg(30354):   libswscale      3.  0.100 /  3.  0.100
    
07-14 22:30:35.963: D/ffmpeg(30354):   libswresample   1.  1.100 /  1.  1.100
    
07-14 22:30:35.963: D/ffmpeg(30354):   libpostproc    53.  0.100 / 53.  0.100
    
07-14 22:30:35.963: D/ffmpeg(30354): Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/data/data/com.myapp.app/cache:temp/i7h4ajm0nim1mbcnrqotvrhhsc.mp4':
    
07-14 22:30:35.963: D/ffmpeg(30354):   Metadata:
    
07-14 22:30:35.963: D/ffmpeg(30354):     major_brand     : mp42
    
07-14 22:30:35.963: D/ffmpeg(30354):     minor_version   : 0
    
07-14 22:30:35.963: D/ffmpeg(30354):     compatible_brands: isommp42
    
07-14 22:30:35.963: D/ffmpeg(30354):     creation_time   : 2015-07-15 05:30:32
    
07-14 22:30:35.963: D/ffmpeg(30354):   Duration: 00:00:02.75, start: 0.000000, bitrate: 9315 kb/s
    
07-14 22:30:35.963: D/ffmpeg(30354):     Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p, 960x720, 10062 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 180k tbc (default)
    
07-14 22:30:35.963: D/ffmpeg(30354):     Metadata:
    
07-14 22:30:35.963: D/ffmpeg(30354):       rotate          : 90
    
07-14 22:30:35.963: D/ffmpeg(30354):       creation_time   : 2015-07-15 05:30:32
    
07-14 22:30:35.963: D/ffmpeg(30354):       handler_name    : VideoHandle
    
07-14 22:30:35.963: D/ffmpeg(30354):     Side data:
    
07-14 22:30:35.963: D/ffmpeg(30354):       displaymatrix: rotation of -90.00 degrees
    
07-14 22:30:35.963: D/ffmpeg(30354):     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 151 kb/s (default)
    
07-14 22:30:35.963: D/ffmpeg(30354):     Metadata:
    
07-14 22:30:35.963: D/ffmpeg(30354):       creation_time   : 2015-07-15 05:30:32
    
07-14 22:30:35.963: D/ffmpeg(30354):       handler_name    : SoundHandle
    
07-14 22:30:35.963: D/ffmpeg(30354): [libx264 @ 0xb6808800] using SAR=4/3
    
07-14 22:30:35.963: D/ffmpeg(30354): [libx264 @ 0xb6808800] using cpu capabilities: none!
    
07-14 22:30:35.963: D/ffmpeg(30354): [libx264 @ 0xb6808800] profile Constrained Baseline, level 3.1
    
07-14 22:30:35.963: D/ffmpeg(30354): [adts @ 0xb685b000] Using AVStream.codec.time_base as a timebase hint to the muxer is deprecated. Set AVStream.time_base instead.
    
07-14 22:30:35.963: D/ffmpeg(30354): Output #0, mpegts, to '/data/data/com.myapp.app/cache:temp/p1t3bhs0oa3lpqa67g5i9ninm9.ts':
    
07-14 22:30:35.963: D/ffmpeg(30354):   Metadata:
    
07-14 22:30:35.963: D/ffmpeg(30354):     major_brand     : mp42
    
07-14 22:30:35.963: D/ffmpeg(30354):     minor_version   : 0
    
07-14 22:30:35.963: D/ffmpeg(30354):     compatible_brands: isommp42
    
07-14 22:30:35.963: D/ffmpeg(30354):     encoder         : Lavf56.4.101
    
07-14 22:30:35.963: D/ffmpeg(30354):     Stream #0:0(eng): Video: h264 (libx264), yuv420p, 720x960 [SAR 4:3 DAR 1:1], q=-1--1, 29.97 fps, 90k tbn, 29.97 tbc (default)
    
07-14 22:30:35.963: D/ffmpeg(30354):     Metadata:
    
07-14 22:30:35.963: D/ffmpeg(30354):       handler_name    : VideoHandle
    
07-14 22:30:35.963: D/ffmpeg(30354):       creation_time   : 2015-07-15 05:30:32
    
07-14 22:30:35.963: D/ffmpeg(30354):       rotate          : 0
    
07-14 22:30:35.963: D/ffmpeg(30354):       encoder         : Lavc56.1.100 libx264
    
07-14 22:30:35.963: D/ffmpeg(30354):     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, 151 kb/s (default)
    
07-14 22:30:35.963: D/ffmpeg(30354):     Metadata:
    
07-14 22:30:35.963: D/ffmpeg(30354):       creation_time   : 2015-07-15 05:30:32
    
07-14 22:30:35.963: D/ffmpeg(30354):       handler_name    : SoundHandle
    
07-14 22:30:35.963: D/ffmpeg(30354): Stream mapping:
    
07-14 22:30:35.963: D/ffmpeg(30354):   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
    
07-14 22:30:35.963: D/ffmpeg(30354):   Stream #0:1 -> #0:1 (copy)
    
07-14 22:30:35.963: D/ffmpeg(30354): Press [q] to stop, [?] for help
    
07-14 22:30:35.963: D/ffmpeg(30354): frame=   17 fps=0.0 q=27.0 size=       0kB time=00:00:00.36 bitrate=   0.0kbits/s    
    
07-14 22:30:35.963: D/ffmpeg(30354): frame=   33 fps= 32 q=27.0 size=     164kB time=00:00:01.15 bitrate=1163.1kbits/s    
    
07-14 22:30:35.963: D/ffmpeg(30354): frame=   46 fps= 30 q=29.0 size=     213kB time=00:00:01.33 b

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