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Autres articles (52)

  • Qu’est ce qu’un masque de formulaire

    13 juin 2013, par

    Un masque de formulaire consiste en la personnalisation du formulaire de mise en ligne des médias, rubriques, actualités, éditoriaux et liens vers des sites.
    Chaque formulaire de publication d’objet peut donc être personnalisé.
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  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 is the first MediaSPIP stable release.
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  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
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Sur d’autres sites (7414)

  • How can I use a pointer to a pointer in c# ?

    24 juin 2013, par user91986

    I am using C# in Visual Studio 2012 to call a function that is included in a set of external libraries that my project requires. The function requires a double pointer to be passed in but I'm not sure of the exact syntax. Single pointers work great for me. I am using the unsafe keyword.

    AVFormatContext _file = new AVFormatContext();

    fixed (AVFormatContext* p_file = &_file)
    {
      avformat_alloc_output_context2(&p_file,null,null,filename);
    }

    VS is complaining about the "&p_file" syntax with the error of "Cannot take the address of a read-only local variable".

    Any help would be much appreciated !

  • Play video in Android using FFMPEG

    24 juin 2013, par Jagdeep Singh

    I had build FFmpeg library in Android(NDK) using this. But this example is too basic. It just checks if the video is present or not. What I want to do is just to play the video using FFMPEG. Is there any example or any code which can help me on this ?

    Thanks in advance.

  • Add 2 pictures to video with durations ? [duplicate]

    24 juin 2013, par jesper

    This question already has an answer here :

    I am trying to add 2 different images into a video with ffmpeg.

    image1.jpg should show the first 10 seconds of the movie and youtubeLOL.png should show the next 6 minutes of the video.

    So the command should tell us also to repeat the pictures to get a length for 6 minutes and 10 seconds. How can i do this ? I have tried this :

    (It's not even working)

    passthru("ffmpeg -f image2 -loop 1 -vframes 100 -i /home/psafari/public_html/youtube_images/movie_" . $id . ".jpg -vcodec mpeg4 /home/psafari/public_html/youtube_videos/movie_" . time().".avi");

    Here is output :

    FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers built on Jan 29 2012 17:52:15 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6) configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-avfilter-lavf --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab libavutil 50.15. 1 / 50.15. 1 libavcodec 52.72. 2 / 52.72. 2 libavformat 52.64. 2 / 52.64. 2 libavdevice 52. 2. 0 / 52. 2. 0 libavfilter 1.19. 0 / 1.19. 0 libswscale 0.11. 0 / 0.11. 0 libpostproc 51. 2. 0 / 51. 2. 0

    Invalid value '1' for option 'loop'

    output memcode

    MEncoder SVN-r31628-4.4.6 (C) 2000-2010 MPlayer Team
    get_path("config") problem
    success: format: 0  data: 0x0 - 0x1251b
    libavformat file format detected.
    [lavf] stream 0: video (h264), -vid 0
    VIDEO:  [H264]  540x800  24bpp  25.000 fps  116.3 kbps (14.2 kbyte/s)
    [V] filefmt:44  fourcc:0x34363248  size:540x800  fps:25.000  ftime:=0.0400
    videocodec: framecopy (540x800 24bpp fourcc=34363248)
    Writing header...
    ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
    Writing header...
    ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
    Pos:   0.0s      1f (100%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]
    Pos:   0.1s      2f (100%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]
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    success: format: 0  data: 0x0 - 0x9daf8
    libavformat file format detected.
    [lavf] stream 0: video (h264), -vid 0
    VIDEO:  [H264]  640x400  24bpp  25.000 fps   21.8 kbps ( 2.7 kbyte/s)
    [V] filefmt:44  fourcc:0x34363248  size:640x400  fps:25.000  ftime:=0.0400
    videocodec: framecopy (540x800 24bpp fourcc=34363248)
    videocodec: framecopy (640x400 24bpp fourcc=34363248)

    All video files must have identical fps, resolution, and codec for -ovc copy.

    Exiting...