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  • Support de tous types de médias

    10 April 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...); audio (MP3, Ogg, Wav et autres...); vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...); contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google (...)

  • HTML5 audio and video support

    13 April 2011, by

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

  • Support audio et vidéo HTML5

    10 April 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

On other websites (4170)

  • How to install libavcodec and libavutil from its source in linux

    25 January 2017, by neckTwi

    FFMPEG is providing libavutil and libavcodec libraries. While compiling and installing ffmpeg as described at https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu I can find libavcodec and libavutil folders in the ffmpeg source folder. I want to install these libraries to use them in my c++ programs. But there are no Makefiles in these folders. How can I install them?

  • SDL2 C++ Capturing Video of Renderer Animation/Sprite

    27 October 2016, by alok

    I have an animation/sprite created using SDL2. The animation works fine when it is being rendered to a screen. But now I also want it to be recorded into a video file (locally stored). For this, I am planning on using FFmpeg APIs, to which I’ll be sending a raw RGB pixel data array.

    My problem is with fetching the data from SDL2 APIs.

    What I’ve tried is:

    // From http://stackoverflow.com/questions/30157164/sdl-saving-window-as-bmp
    
SDL_Surface *sshot = SDL_CreateRGBSurface(0, 750, 750, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
    
SDL_RenderReadPixels(gRenderer, NULL, SDL_PIXELFORMAT_ARGB8888, sshot->pixels, sshot->pitch);
    

    
// From https://wiki.libsdl.org/SDL_RWFromMem
    
char fName[50];
    
sprintf(fName, "/tmp/a/ss%03d.bmp", fileCnt);
    

    

    
char bitmap[310000];
    
SDL_RWops *rw = SDL_RWFromMem(bitmap, sizeof(bitmap));
    
SDL_SaveBMP_RW(sshot, rw, 1);

    Above does not work. But dumping a single frame into a file with following code works:

    SDL_SaveBMP(sshot, "/tmp/alok1/ss.bmp")

    This obviously is not an acceptable solution - Writing to thousands of BMPs and then using FFmpeg from command-line to create a video.

    What am I doing wrong? How do you extract data from SDL_RWops? Is the use of SDL_RWFromMem the right approach to my problem statement?

  • ffmpeg for archval and convertability

    26 July 2021, by Satya

    I've got a couple hundred gigs of *.dv files. I'd like to convert them to H.264 or something else or even leave them alone. The purpose is archival, with an eye to maximum convertability especially to DVD. The content is family videos.

    


    Would this be fine?

    


    ffmpeg -i input.dv \
    -c:v libx264 -preset slower \
    -crf 17 \
    -pix_fmt yuv420p \
    output.mp4


    


    I went with the slower preset because encoding time isn't an issue and I'd like a smaller file size. crf 17 is for least-lossy while being widely playable. I read somewhere that yuv420p is needed for some Quicktime players.

    


    Should I throw in -c:a aac for AAC audio? The audio is voice only, no need for music-hall quality.

    


    I looked at https://trac.ffmpeg.org/wiki/Encode/H.264 for previous research and that's where I got those settings, but it is silent on the audio settings.

    


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