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  • Merge selected audio with camera recorded video in React Native

    13 avril 2023, par RoshaanAli

    I am trying to merge a different audio (like song audio) with the camera recorded video in react native.
Tiktok like video making functionality.
Is there any way to merge audio with the video to preview the recorded video with selected audio in react native app ??
I can use ffmpeg to merge audio and video but it is expensive task it will take more processing on mobile so that's why looking for other solutions.

    


    I have tried react native video player but there is not any prop to mute video audio and play different audio from link. May be some customizable player which play different video and different audio at the same time and control it

    


  • Anomalie #2900 (Fermé) : Chiffre dans le titre d’un document venant perturber l’ordre anormalement

    9 novembre 2012, par Franck Sitbon

    Lorsque le titre d’un document contient un chiffre dans son titre comme par exemple le film "16 blocs" ou "4 mariages et un enterrement", le document vient se mettre en fin de portfolio. Alors que normalement le document devrait réagir avec les titres "16. 16 blocs" ou "4. 4 mariages et un (...)

  • ffmpeg audio/video sync problems when uploading to WhatsApp

    11 janvier 2021, par Luke Collins

    (Note : I have looked at related questions such as this one, but the solutions there didn't work for me since presumably their output files wouldn't play correctly in mpv, whereas mine do.)

    


    I want to send a scene from a film to my friend on WhatsApp. I run

    


    


    ffmpeg -i film.mp4 -ss 00:25:30 -t 00:03:00 -c: copy out.mp4

    


    


    to extract the clip, which produces the file out.mp4 which plays fine when I play it with mpv.

    


    If instead, I play the file in my browser (firefox), the first frame is static for a couple of seconds while audio plays, until the video starts and the video and audio are both in sync. (In other words, it seems the file has additional unnecessary audio information appended to the beginning of the file, which starts before my desired clip when played in firefox).

    


    Diagrammatically, I suspect the video contains the following information :

    


    enter image description here

    


    and firefox plays it in this way :

    


    enter image description here

    


    What's worse is that when I upload it to WhatsApp, it misaligns the audio with the video, instead playing it this way :

    


    enter image description here

    


    How can I fix this so that the video has no additional video/audio information ?

    


    I appreciate any help with this.

    


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