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  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • 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 (5840)

  • FFmpeg cannot recognize a preset even though it does exist Ubuntu 12.04

    6 septembre 2017, par Ahmad Tahboub

    I have installed ffmpeg and x264 folloowing the steps in this documentation :http://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide

    Now I have this line to execute :

    sudo /usr/bin/ffmpeg -i input_file.flv -f flv -vcodec libx264 -vpre normal -r 25 -s 0x0 -aspect 1.7777777777778 -padcolor 000000 -padtop 0 -padbottom 0 -padleft 0 -padright 0 -acodec libfaac -ab 128000 -ar 22050 output_file.flv
    

    
Input #0, flv, from 'WIN! Jwow.flv':
    
  Metadata:
    
    starttime       : 0
    
    totalduration   : 101
    
    totaldatarate   : 865
    
    bytelength      : 10897460
    
    canseekontime   : true
    
    sourcedata      : BD58B2E43HH1338284027987695
    
    purl            : 
    
    pmsg            : 
    
  Duration: 00:01:40.66, start: 0.000000, bitrate: 877 kb/s
    
    Stream #0.0: Video: h264 (Main), yuv420p, 640x360, 745 kb/s, 29.97 tbr, 1k tbn, 59.94 tbc
    
    Stream #0.1: Audio: aac, 44100 Hz, stereo, s16, 131 kb/s
    
**File for preset 'normal' not found**

    I have the presets in the the following directories :

    /usr/share/ffmpeg
    
/usr/local/share/ffmpeg
    
/home/user/.ffmpeg
    
/usr/local/src/ffmpeg/presets

    And still getting the same error : File for preset ’normal’ not found

    What is the problem here ?

    Extra info - this is what i get when i do ffmpeg -version

    ffmpeg version git-2012-05-31-60de761
    
built on May 31 2012 15:54:11 with gcc 4.6.3
    
configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-nonfree --enable-version3 --enable-x11grab

  • FFmpeg cannot recognize a preset even though it does exist Ubuntu 12.04

    6 septembre 2017, par Ahmad Tahboub

    I have installed ffmpeg and x264 folloowing the steps in this documentation :http://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide

    Now I have this line to execute :

    sudo /usr/bin/ffmpeg -i input_file.flv -f flv -vcodec libx264 -vpre normal -r 25 -s 0x0 -aspect 1.7777777777778 -padcolor 000000 -padtop 0 -padbottom 0 -padleft 0 -padright 0 -acodec libfaac -ab 128000 -ar 22050 output_file.flv
    

    
Input #0, flv, from 'WIN! Jwow.flv':
    
  Metadata:
    
    starttime       : 0
    
    totalduration   : 101
    
    totaldatarate   : 865
    
    bytelength      : 10897460
    
    canseekontime   : true
    
    sourcedata      : BD58B2E43HH1338284027987695
    
    purl            : 
    
    pmsg            : 
    
  Duration: 00:01:40.66, start: 0.000000, bitrate: 877 kb/s
    
    Stream #0.0: Video: h264 (Main), yuv420p, 640x360, 745 kb/s, 29.97 tbr, 1k tbn, 59.94 tbc
    
    Stream #0.1: Audio: aac, 44100 Hz, stereo, s16, 131 kb/s
    
**File for preset 'normal' not found**

    I have the presets in the the following directories :

    /usr/share/ffmpeg
    
/usr/local/share/ffmpeg
    
/home/user/.ffmpeg
    
/usr/local/src/ffmpeg/presets

    And still getting the same error : File for preset ’normal’ not found

    What is the problem here ?

    Extra info - this is what i get when i do ffmpeg -version

    ffmpeg version git-2012-05-31-60de761
    
built on May 31 2012 15:54:11 with gcc 4.6.3
    
configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-nonfree --enable-version3 --enable-x11grab

  • What is the relationship among FFmpeg, librtmp and rtmpdump ?

    2 septembre 2021, par yanzhang.guo

    I am a beginner of FFmpeg. I can see that video can be pushed to an RTMP server by FFmpeg or librtmp on the Internet. But I also see that when compiling FFmpeg, I need to add option enable-librtmp. Are they parallel or inclusive ? What is rtmpdump ? Does the libtrmp API use RTMP lower-level functions directly ?

    


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