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- video - Where can I learn ffmpeg? - Stack Overflow
#ffmpeg IRC channel on Freenode; ffmpeg-user mailing list for help using the command-line tools (ffmpeg, ffprobe, ffplay) libav-user mailing list for help using the libraries (libavcodec, libavformat, etc) Development See FFmpeg Developer Documentation, hang out in the #ffmpeg-devel IRC channel, and subscribe to the ffmpeg-devel mailing list
- Vertically or horizontally stack (mosaic) several videos using ffmpeg . . .
ffmpeg -i input0 -i input1 -filter_complex vstack=inputs=2 output Videos must have the same width Horizontal Using the hstack filter ffmpeg -i input0 -i input1 -filter_complex hstack=inputs=2 output Videos must have the same height With a border Using the pad filter This examples creates a 5px black border between the two sides
- 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
- 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 - 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
- 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
- How to create a video from images with FFmpeg? [closed]
ffmpeg -r 1 5 -start_number 2 -i img%03d png -c:v libx264 -r 30 -pix_fmt yuv420p out mp4 This line worked fine but I want to create a video file from images in another folder Image names in my fol
- 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
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