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Autres articles (38)

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Sur d’autres sites (6832)

  • How can I justify text using FFMPEG [closed]

    18 mai 2021, par Rahul Chokshi

    How can align text left and right like below example ?

    


       Hello FFMPEG
 Hello FFMPEG 
Hello FFMPEG 
 
Hello FFMPEG 
 Hello FFMPEG 
  Hello FFMPEG 
 

         Hello FFMPEG 
        Hello FFMPEG 


    


    I did tried below example, but it didn't work

    


    ffmpeg -i input.mp4 -vf "[in]drawtext=fontsize=20:fontcolor=Black:fontfile='roboto.ttf':text='Hello World Ffmpeg':x=(w)/2:y=(h)/2, drawtext=fontsize=20:fontcolor=Black:fontfile='roboto.ttf':text='hello':x=(w)/2:y=((h)/2)+25, drawtext=fontsize=20:fontcolor=Black:fontfile='roboto.ttf':text='hel':x=(w)/2:y=((h)/2)+50[out]" -y test_out.mp4


    


  • panning and zooming multiple images with ffmpeg

    16 mars 2017, par user1796752

    I have multiple images that I want to fade and zoompan for each image but when I do what others have said, the first image works perfect and the second is black. I want to have 25 images and the same thing occurs with every image black except the first one. I am sure I am missing something elementary. Please help.

    ffmpeg -r .1 -i image_1.jpg -i image_2.jpg -vf "zoompan=z='min(zoom+0.0015,1.5)':d=125,fade=t=in:st=0:d=0.5,fade=t=out:st=4.5:d=0.5"  -pix_fmt yuv420p output.mp4

  • FFMPEG : Converting WAV to MP4 with filter loops forever

    30 juin 2021, par David Ferris

    I'm using the following basic ffmpeg commend to convert a WAV file to an MP4.

    


    ffmpeg -i response.wav -s 1980x1080 -c:a aac -b:a 128k aNewVideo.mp4

    


    This is great, however I'd like to include a black background on the mp4 file, and as it stands this doesn't add ANY background (see below).

    


    enter image description here

    


    I have tried to include the following filter to add this background, which works, however it loops forever, and when I stop it manually I get a file which is hours long with the first 20 seconds or so being my original audio.

    


    ffmpeg -f lavfi -i color=c=black:s=1280x720:r=5 -i response.wav -s 1980x1080 -c:a aac -b:a 128k aNewVideo.mp4

    


    How can I add this black background without running into this infinite loop problem ?

    


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