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  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • 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

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

Sur d’autres sites (10968)

  • Overlay gif on image using ffmpeg in android [duplicate]

    18 juin 2019, par Sagar Poshiya

    This question already has an answer here :

    I am trying to overlay gif on Image and save it as Video. And use ffmpeg to do this but getting this error :

    Command

    String strFilter = "[1:v]scale=h="+ 150 +":w=" + 150 + "[overlay_scaled],"
    
                        + "[0:v][overlay_scaled]overlay=eval=init:x=W*" + 0
    
                        + ":y=H*" + 0;
    

    
String[] bb = new String[]{ "-i", inputFile,"-itsoffset", "0", "-i", inputGif, "-filter_complex", strFilter, "-preset", "ultrafast", "-g", "120", outputFile };

    Here

    • inputFile is png image
    • inputGif is gif image
    • outputFile is mp4 Video

    Log

    06-17 18:09:38.201 989-989/com.photo.editor E/FFmpeg ERROR::::::: ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 4.8 (GCC)
    
  configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
  libavutil      55. 17.103 / 55. 17.103
    
  libavcodec     57. 24.102 / 57. 24.102
    
  libavformat    57. 25.100 / 57. 25.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 31.100 /  6. 31.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, png_pipe, from '/storage/emulated/0/Pictures/MyCameraApp/IMG_20190617_180929.png':
    
  Duration: N/A, bitrate: N/A
    
    Stream #0:0: Video: png, rgb24(pc), 1357x1485, 25 tbr, 25 tbn, 25 tbc
    
Input #1, gif, from '/storage/emulated/0/Pictures/MyCameraApp/t.gif':
    
  Duration: N/A, bitrate: N/A
    
    Stream #1:0: Video: gif, bgra, 400x400, 6.67 fps, 6.67 tbr, 100 tbn, 100 tbc
    
[libx264 @ 0xb76dff30] width not divisible by 2 (1357x1485)
    
Output #0, mp4, to '/storage/emulated/0/Pictures/MyCameraApp/VID_20190617_180935.mp4':
    
    Stream #0:0: Video: h264, none, q=2-31, 128 kb/s, 25 fps (default)
    
    Metadata:
    
      encoder         : Lavc57.24.102 libx264
    
Stream mapping:
    
  Stream #0:0 (png) -> overlay:main
    
  Stream #1:0 (gif) -> scale
    
  overlay -> Stream #0:0 (libx264)
    
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

  • ffmpeg - Frames flip upside-down when using -c:v copy

    26 décembre 2019, par Berndi

    I tried to just copy (a period of time of) an AVI-Video into another newly created AVI-file using ffmpeg’s copy option.
    (On Windows 32-bit)

    ffmpeg -i "C:\Temp\zzz\myAvi.avi" -c copy -t 00:00:10 "C:\Temp\zzz\myAviNew.avi"

    Why are the pictures flipped upside-down in the resulting file ?
    (Also the generated new audio is a little distorted.)

    Using the same command again on the newly created file will not flip them back again - the pictures stay upside down.
    Why this ? Is it a bug ?

    Console brings the following output :

     ffmpeg version N-50911-g9efcfbe Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Mar 13 2013 21:26:48 with gcc 4.7.2 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    
le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
    
sm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libo
    
pencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-li
    
bschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-lib
    
twolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enabl
    
e-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
    
  libavutil      52. 19.100 / 52. 19.100
    
  libavcodec     55.  0.100 / 55.  0.100
    
  libavformat    55.  0.100 / 55.  0.100
    
  libavdevice    54.  4.100 / 54.  4.100
    
  libavfilter     3. 45.103 /  3. 45.103
    
  libswscale      2.  2.100 /  2.  2.100
    
  libswresample   0. 17.102 /  0. 17.102
    
  libpostproc    52.  2.100 / 52.  2.100
    
[avi @ 02537ba0] non-interleaved AVI
    
Guessed Channel Layout for  Input Stream #0.1 : stereo
    
Input #0, avi, from 'C:\Temp\zzz\Hase.avi':
    
  Duration: 00:00:35.92, start: 0.000000, bitrate: 171375 kb/s
    
    Stream #0:0: Video: rawvideo, bgra, 768x576, 12 tbr, 12 tbn, 12 tbc
    
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16
    
, 1411 kb/s
    
Output #0, avi, to 'C:\Temp\zzz\HaseNew.avi':
    
  Metadata:
    
    ISFT            : Lavf55.0.100
    
    Stream #0:0: Video: rawvideo, bgra, 768x576, q=2-31, 12 tbn, 12 tbc
    
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, 141
    
1 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
frame=   11 fps=0.0 q=-1.0 size=   19162kB time=00:00:00.91 bitrate=171242.4kbit
    
frame=   16 fps= 12 q=-1.0 size=   27874kB time=00:00:01.33 bitrate=171255.5kbit
    
...
    
...
    
...
    
frame=  120 fps=5.4 q=-1.0 size=  209083kB time=00:00:09.99 bitrate=171280.6kbit
    
frame=  121 fps=5.5 q=-1.0 Lsize=  210834kB time=00:00:10.08 bitrate=171288.2kbi
    
ts/s
    
video:209088kB audio:1723kB subtitle:0 global headers:0kB muxing overhead 0.0112
    
76%
    

    
C:\WINDOWS\system32>

  • ffmpeg - Frames flip upside-down when using -c:v copy

    7 mars 2014, par user3384390

    I tried to just copy (a period of time of) an AVI-Video into another newly created AVI-file using ffmpeg's copy option.
    (On Windows 32-bit)

    ffmpeg -i "C:\Temp\zzz\myAvi.avi" -c copy -t 00:00:10 "C:\Temp\zzz\myAviNew.avi"

    Why are the pictures flipped upside-down in the resulting file ?
    (Also the generated new audio is a little distorted.)

    Using the same command again on the newly created file will not flip them back again - the pictures stay upside down.
    Why this ? Is it a bug ?

    Console brings the following output :

     ffmpeg version N-50911-g9efcfbe Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Mar 13 2013 21:26:48 with gcc 4.7.2 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    
le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
    
sm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libo
    
pencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-li
    
bschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-lib
    
twolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enabl
    
e-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
    
  libavutil      52. 19.100 / 52. 19.100
    
  libavcodec     55.  0.100 / 55.  0.100
    
  libavformat    55.  0.100 / 55.  0.100
    
  libavdevice    54.  4.100 / 54.  4.100
    
  libavfilter     3. 45.103 /  3. 45.103
    
  libswscale      2.  2.100 /  2.  2.100
    
  libswresample   0. 17.102 /  0. 17.102
    
  libpostproc    52.  2.100 / 52.  2.100
    
[avi @ 02537ba0] non-interleaved AVI
    
Guessed Channel Layout for  Input Stream #0.1 : stereo
    
Input #0, avi, from 'C:\Temp\zzz\Hase.avi':
    
  Duration: 00:00:35.92, start: 0.000000, bitrate: 171375 kb/s
    
    Stream #0:0: Video: rawvideo, bgra, 768x576, 12 tbr, 12 tbn, 12 tbc
    
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16
    
, 1411 kb/s
    
Output #0, avi, to 'C:\Temp\zzz\HaseNew.avi':
    
  Metadata:
    
    ISFT            : Lavf55.0.100
    
    Stream #0:0: Video: rawvideo, bgra, 768x576, q=2-31, 12 tbn, 12 tbc
    
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, 141
    
1 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
frame=   11 fps=0.0 q=-1.0 size=   19162kB time=00:00:00.91 bitrate=171242.4kbit
    
frame=   16 fps= 12 q=-1.0 size=   27874kB time=00:00:01.33 bitrate=171255.5kbit
    
...
    
...
    
...
    
frame=  120 fps=5.4 q=-1.0 size=  209083kB time=00:00:09.99 bitrate=171280.6kbit
    
frame=  121 fps=5.5 q=-1.0 Lsize=  210834kB time=00:00:10.08 bitrate=171288.2kbi
    
ts/s
    
video:209088kB audio:1723kB subtitle:0 global headers:0kB muxing overhead 0.0112
    
76%
    

    
C:\WINDOWS\system32>

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