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  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
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    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
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Sur d’autres sites (4402)

  • How to merge four videos on one screen with ffmpeg

    28 janvier 2016, par Andrey Prokhorenko

    I have a video test.mp4, and I need to make it appear four times at once on a screen. Here I found a command that makes two videos appear at a time

    ffmpeg -i input0.avi -vf "movie=input1.avi [in1]; [in]pad=640*2:352[in0]; [in0][in1] overlay=640:0 [out]" out.avi

    But it doesn’t work with mp4 videos, and I need four videos at a time. Thank you in advance

  • Convert any type of videos to MP4 php without ffmpeg [on hold]

    17 décembre 2017, par Khalid Askia

    I have a website on which I allow users to upload videos. But I’m using the HTML5 video tag and only MP4 videos can be played. So I want to convert any type of video to MP4. I’m on a shared hosting account so I can’t have FFMPEG or anything else installed on the server. Is there another way to convert videos without these tools ?

  • ffmpeg does not produce smooth videos from mkv h265 [migrated]

    13 décembre 2018, par user3776738

    It’s kind of subjective, but I’m not able to produce 100% smooth videos with ffmpeg.
    As input I use https://www.libde265.org/hevc-bitstreams/tos-1720x720-cfg01.mkv as a example.This is a h264 mkv video which is running really badly with my vlc player on my win7 laptop.Converting it to a h264 video let it play much better, but it still appears not to be 100% smooth. Especialy in Vegas 9 it even hangs like once a second.

    Other h264 videos even with 1080p or bigger run perfect with vlc and much better with Vegas, so it is not my laptop.

    its seems that there can be a lot of differences between h264 and h264 ??
    what could i try to make them more smooth ?

    I’m using following command to convert the video :

    ffmpeg.exe -i INPUT_FILE -ac 2 -vf scale=trunc\\(oh*a/2\\)*2:480 -c:v libx264 -sn -dn -map_metadata -1 -map_chapters -1 -profile:v high -level:v 4.0 -pix_fmt yuv420p OUTPUT_FILE  

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