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    Mediaspip core
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Sur d’autres sites (8034)

  • Download only a part of the video in the server

    19 août 2013, par whiteletters and blankspaces

    I am building a web application for creating animated gif from youtube videos. These animated gifs will be fews seconds long, but may come from very long videos hosted in Youtube.

    After reading and reading, It looks like I should first download the whole video in server, then cut the required part, ( probably convert it), then process it to generate the gif using ffmpeg for example.

    Could you please tell me :

    Does the whole video should be necessarly downloaded in server ? Or there is a way to ask my server and Youtube Server to exchange only the requested (very small) part of the video ? I think that downloading the whole video will result in bad resources usage, especially in concurrency environnement which will affect performance in my one-server infrascrucure.

    What are the alternatives of downloading the video (or part of video) to achieve such goal ? Is there a client side solution for storing data and using similar ffmpeg functionalities ?

  • How to download/convert multiple streams to multiple outputs with FFmpeg ?

    16 avril 2016, par Website Newbie

    Let’s say I have 20 different online stream videos (playlist.m3u8) and I want every video to output to their own .avi files. How can I do that in single file, so I don’t have to download and convert every single one separately ?

    I found a -map command online, but didn’t get straight answer to this.

    Will this be a working code ?

    ffmpeg -i 1playlist.m3u8 -vf scale=768:-1 -vcodec libx264 -crf 24 -acodec copy -map 0 1.avi \
    
-i 2playlist.m3u8 -vf scale=768:-1 -vcodec libx264 -crf 24 -acodec copy -map 1 2.avi \
    
-i 3playlist.m3u8 -vf scale=768:-1 -vcodec libx264 -crf 24 -acodec copy -map 2 3.avi

  • Is there a way using FFmpeg or software that would allow a user to upload a video with audio muted, but download the video with the audio rencoded ?

    10 octobre 2013, par user2868184

    Here is the background :

    I am looking to start a video sharing site that would allow artists to upload their original dance choreography. The problem is that while the choreography is original, the music most likely won't be. I would like the user to be able to upload the video with the sound muted, but once it's downloaded the sound would return. I am looking to host this on a WordPress site but is there a way using FFmpeg or a plug-in that would accomplish this ? I am a very novice programmer but I would like to to be able to suggest a solution to a plugin developer.

    This would also allow me to display and play multiple videos on a page without having all of the audio overlap one another. Thanks in advance for your help !!!

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