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Sur d’autres sites (6797)

  • How to complex the video and gif and make the watermark loop in FFmpeg ?

    19 août 2017, par Wooi

    I had complex video and gif but the gif was play once time, I also set the loop param , It seem didn’t work any more.

    ffmpeg -y -i /sdcard/Download/Test2/test2.mp4 -loop 1 -i /sdcard/Download/Test2/1.gif -loop 1 -i /sdcard/Download/Test2/2.gif -filter_complex [1:v]rotate=30*PI/180:c=none:ow=rotw(iw):oh=roth(ih)[rotete1];[0:v][rotete1]overlay=main_h-overlay_h-10:main_w-overlay_w-10[overlayout1];[2:v]rotate=30*PI/180:c=none:ow=rotw(iw):oh=roth(ih)[rotete2];[overlayout1][rotete2]overlay=20:20[out3] -map [out3] -map 0:a -codec:a copy /sdcard/Download/Test2/output.mp4

  • Node JS merge audio and video using ffmpeg [closed]

    31 août 2021, par ashmit mittal

    I am working on ytdl-core and i am not able to download high quality video. because youtube has them in sperate files. Therefore, I need to download audio and video seperately then merge them using ffmpeg. an example can be check here.
Is there is a way to merge audio and video streams and send the result to the users(frontend) directly for download ?

    


  • How can I allow my users to combine audio and video tracks for downloading a youtube video ? [closed]

    1er décembre 2023, par Faizan Ahanger

    I have a website which, along a bunch a text, has a embedded youtube videos to play. I want to allow my users to also a be able to download those videos. There are too many videos there to store on my own server and I know that there are already website like y2mate.com and savefrom.net which do this.

    


    I used yt-dlp and using the --print-json parameter I can get the urls for downloading the files but the audio and video tracks are not combined for higher videos. Using ffmpeg seems to be the obvious solution but I don't understand where the videos should be combined. Should I download both needed tracks on my server and combine them before serving it to users ? This seems very inefficient as it take a lot of bandwidth for handling all download requests. There is also this library ffmpeg.wasm which according to them is "a pure WebAssembly / JavaScript port of FFmpeg enabling video & audio record, convert and stream right inside browsers !"

    


    This should work but it will require the users to download a 30MB webapp before they can download any video. This is also not very efficient, especially if they are downloading a video which is only a few MBs in size.

    


    Are these the only two options that I have or is there a better way to do this ?

    


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