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  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • MediaSPIP Player : problèmes potentiels

    22 février 2011, par

    Le lecteur ne fonctionne pas sur Internet Explorer
    Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
    Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

Sur d’autres sites (4926)

  • PJSIP with SDL and FFMPEG for iPhone [closed]

    14 décembre 2012, par John Qualis

    Has anyone been able to compile PJSIP with SDL and FFMPEG support for iOS ?

  • Merge two or more video files of any format using FFmpeg in iPhone

    20 juillet 2012, par Subhash

    Is there any direct command in FFmpeg to merge videos in iPhone. I need to do this programmatically by setting the command line argument to the FFmpeg containing the input movie files to merge and the output file name.

    I just wanted to merge two .mov movie files using FFmpeg. I was trying to do this in iPhone where I was creating a command line argument containing two video fies to merge as an input parameter and the destination video file as output parameter and then calling main method of FFmpeg. But for merging videos using FFmpeg first we need to convert it to mpg format and then pass the movie files in mpg format in the command line format. This is the only way found to merge the video using FFmpeg as far as I know. Is there anybody out there done this in a different way ?

  • YUV to RGB by Shader on iPhone

    27 octobre 2012, par user1333656

    Currently I am developing a video player using FFMPEG.
    I'm trying to convert YUV420P to RGB by Shader to reduce performance hit and I could see it works fine. The problem is caused when I try to change image size.

    Case 1. YUV to RGB is perfect. but the image is not exactly fit to Texture Bounds.
    For example, if i play 640x360 video, right (640-512) part is cropped and bottom (512-360) is filled with green colored rectangle.

    FRAME_X=512; //This is texture size
    
FRAME_Y=512;
    

    
    avpicture_fill((AVPicture *) f, [currentVideoBuffer.data mutableBytes],
    
               enc->pix_fmt,
    
               FRAME_X, FRAME_Y);
    

    
    av_picture_copy((AVPicture *) f, (AVPicture *) avFrame,
    
                enc->pix_fmt,
    
                enc->width, enc->height);

    ....

    int yuvWidth= FRAME_X ;
    
int  yuvHeight= FRAME_Y;
    
glBindTexture ( GL_TEXTURE_2D, textureIdY );
    
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 
    
yuvWidth, yuvHeight, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, y_channel);
    

    

    
glBindTexture ( GL_TEXTURE_2D, textureIdU );
    
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE,
    
yuvWidth/2, yuvHeight/2, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, u_channel);
    

    
glBindTexture ( GL_TEXTURE_2D, textureIdV );
    
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 
    
yuvWidth/2, yuvHeight/2, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, v_channel);

    Case 2. If i set actual image size to texture size, then image is exactly fit to texture but the color of image is a little bit strange. It has too much green color.

    Does anybody give me some clues for this ??
    Thanks in advance.

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