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  • Using ffmpeg to change framerate - Stack Overflow
    ffmpeg -y -i seeing_noaudio mp4 -filter:v "setpts=1 25*PTS" seeing mp4 Which changes the duration but not the framerate Surely I should be able to do this with a single ffmpeg command without having to reencode or even as some people suggested going back to the original raw frames
  • Fastest way to extract frames using ffmpeg? - Stack Overflow
    time ffmpeg -i input mp4 -filter:v fps=fps=1 60 ffmpeg_%0d bmp 1m36 029s This takes long because ffmpeg parses the entire video file to get the desired frames
  • Fix bad files and streams with ffmpeg so VLC and other players would . . .
    I've tested lot of solutions and software I love cli commands, so using ffmpeg you can fix your video file with no hassle Try the next command if you came here searching some useful fix: ffmpeg -vcodec mpeg4 -b:v 7561k -qscale:v 2 -acodec aac -ac 2 -async 1 -strict experimental video_fixed mp4 -threads 0 -i damage_file mp4 Good luck 😃!
  • FFMPEG- Convert video to images - Stack Overflow
    Official ffmpeg documentation on this: Create a thumbnail image every X seconds of the video Output one image every second: ffmpeg -i input mp4 -vf fps=1 out%d png Output one image every minute: ffmpeg -i test mp4 -vf fps=1 60 thumb%04d png Output one image every 10 minutes: ffmpeg -i test mp4 -vf fps=1 600 thumb%04d png
  • FFmpeg - Change resolution of the video with aspect ratio
    If I will run ffmpeg with -s 100x200, then second video will have bad aspect ratio How can I limit output video by width, with auto aspect ratio by height? For example, I want specify for the output video only width 100px and ffmpeg must automatically calculate height with right aspect ratio
  • Text on video ffmpeg - Stack Overflow
    The "ffmpeg" tag is only allowed for programmatic use of the ffmpeg API - Questions about the command-line use should be asked on Super-user or Video-production – Top-Master Commented Apr 22, 2023 at 7:25
  • Creating a video from a single image for a specific duration in ffmpeg . . .
    ffmpeg -framerate 1 10 -i DJI_0024 JPG -c:v libx264 -t 10 -pix_fmt yuv420p -vf scale=320:240 out mp4 -t 10 making the video 10 seconds long, and setting -framerate 1 10 Divisor of framerate should be same number as the argument to -t
  • How to read sei by command line of ffmpeg - Stack Overflow
    How to read sei by command line of ffmpeg e g ffmpeg -i INPUT -c:v copy -bsf:v filter1[=opt1=str1:opt2=str2][,filter2] OUTPUT I know bsf can modify the sei, but it can't read sei If the command line can't solve it, plase give me some demo by api of ffmpeg For example I insert a h264_metadata to file
  • Capture Windows screen with ffmpeg - Stack Overflow
    The ffmpeg is cross-platform and very powerful software to handle video audio or to stream it On Linux ffmpeg can capture X11 screen with a command below: ffmpeg -f x11grab -r 25 -s cif -i :0 0 out
  • ffdshow - FFmpeg dshow device format list - Stack Overflow
    ffmpeg -list_devices true -f dshow -i dummy and device options ffmpeg -f dshow -list_options true -i video="MY_DSHOW_DEVICE_NAME" But I am not able to get format list, like on Linux via v4l2 How can I get supported format list for dshow device via FFmpeg on Windows?





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