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Sur d’autres sites (15459)

  • FFMPEG : Merge multi video and audio, loop first video until audio end

    8 février 2024, par Khuê Bùi

    I'm trying to merge multi video and an audio file but I have tried looping the video many times but without success, it plays all 3 videos and stops at the 3rd video until the end of the audio.

    


    ffmpeg -y -i "video\0.mp4" -i "video\1.mp4" -i "video\2.mp4" -i audio.m4a -filter_complex "[1:v]xfade=transition=wipeleft:duration=1:offset=9[vfade1];[vfade1][2:v]xfade=transition=wipeleft:duration=1:offset=18[v]" -map "[v]" -map 3:a -c:v libx264 -r 30 -pix_fmt yuv420p -c:a aac -strict experimental ./out_fade1.mp4


    


    Please help me fix the code so that it plays the video 0.mp4 -> 1.mp4 -> 2.mp4. If the audio is still there, then return to 0.mp4 and continue like that until the end of the audio.

    


  • Use ffmpeg to add video watermark. But the second video added does not move, only static images can be seen

    19 février 2021, par cantoe

    Use ffmpeg to add video watermark.
But the second video added does not move, only static images can be seen.
Does anyone know what's going on ?
Can you help me ?

    


    ffmpeg -i sucai/s3o.ts  -i sucai/s2o.ts -i sucai/s4o.ts  -filter_complex "overlay=x=main_w/2-overlay_w/2:y=main_h/2-overlay_h/2:enable='between(t,1,3)',overlay=x=main_w/2-overlay_w/2:y=main_h/2-overlay_h/2:enable='between(t,8,10)'" -vcodec libx265 sucai/s34.mp4 -y


    


  • video previews on video just like xvideos

    28 juin 2020, par zjose

    Video previews are usually images that rotate every so often in a small video. But since that format is old and boring, I would like to be able to create them with ffmpeg just like xvideos does.

    


    example (you don't have to worry) -> https://img-l3.xvideos-cdn.com/videos/videopreview/dc/8b/0f/dc8b0facd2879bad18f93dff44d1de2c_169.mp4

    


    They are in size : 362x204.
They last : 5 seconds.

    


    and they are several fragments in video, and not in images.

    


    How could I do it using ffmpeg ?

    


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