Questions tagged [ffmpeg]
Media tool with support for multiple codecs, filters, and containers. Include your actual command and the complete console output when asking questions involving FFmpeg tools. An easy way to do this is by adding `-report` to your command and pasting the contents of the logfile generated. For help with CLI use only of ff* binaries - ffmpeg, ffprobe, ffplay. For help with API usage, post on Stack Overflow.
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Is there a fast way to get the timestamp of a keyframe near an offset?
I've found many solutions to find the location of keyframes in videos using ffprobe, but all of them are slow, like roughly 0.1x real time on an 8k video.
While this is fine for finding a keyframe ...
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Error while reencoding and combining 3 mp4 files with ffmpeg
I am using the ffmpeg command given in top answer on this below page to join 3 mp4 videos
https://stackoverflow.com/questions/7333232/how-to-concatenate-two-mp4-files-using-ffmpeg
It says to use that ...
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The proper way to limit framerate when recording screen on macOS
macOS 14.5, FFmpeg 7.0.1. To record the screen, if I use the code from Wiki, that is,
ffmpeg -f avfoundation -i 1 output.mp4
the frame rate seems to be so high that when I press q to stop recording, ...
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How can I concatenate videos that don't always have audio using ffmpeg?
I have 5 video files (although, it could be 100s), some with audio, some without. They are more-or-less a consistent size but I'll force that by using something like -vf "320:240" on the ...
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is real-time video compression possible on a Raspberry Pi to wirelessly transmit multiple live feeds? [migrated]
the idea I want to achieve is this: I'm planning to make an eye-tracker device, which is in 2 parts: the first part is what the subject/user wears, includes an eyeglass-shaped frame, 2 Infrared ...
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Trying to merge ffmpeg commands into one
I initially tried doing this as one command, but after struggling with it I wrote a quick script to create a bunch of intermediate files to get the job done, but that isn't quite working either.
The ...
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Video logo clock ffmpeg
With the codes I created myself, the time setting does not appear. Only the screw logo and the movie name appears. I could not make this time setting. Are there any friends who can help me?
ffmpeg -i ...
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transition circleclose is not working in FFMPEG
wanted to add circleclose transition to 2 videos while adding. transition effect is not coming. What is the issue in below FFMPEG command?
ffmpeg -i D:/development/copy/...
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FFMPEG segment_times arg makes command too long
Context:
I have long video files (600+ hours) that I want to split on resolution change & keep the high-res parts. I have extracted all the timestamps to a file with ffprobe so now all that's left ...
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Concatenating audio with image for video in ffmpeg causes infinite video
I'm attempting to concatenate 2 audio files, with a 5 second silence between them. This will also have a still image for the video.
I'm following the example of the same thing here How can I add ...
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To make 'trim' and 'atrim' work synchronously
The following command trims a video using the trim video filter:
ffmpeg -y -i input.mp4 -vf "trim='00\:00\:05':'00\:00\:10',setpts=PTS-STARTPTS" output.mp4
But if the video also contains ...
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Adding custom tags to AVI video file
I use software that accepts another AVI file, but not mine. I converted my file to have similar properties, and currently, there is not much difference between the files, I think the only thing I have ...
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Can you give some advice to young noob [closed]
For a student who has just learned c++ and ffmpeg for a year and a half, looking for audio and video development work that can be written on the resume, do you have any good project recommendations?
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Green screen on RTSP stream from USB camera using mediamtx (ffmpeg)
I need to cast a stream from a USB camera via RTSP as stable as possible (at any moment i need to be able to get a static picture on a remote host, reflecting the real state of affairs in front of the ...
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How to change output to timestamps for ffmpeg freezedtect?
ffmpeg -i demo.mp4 -vf "freezedetect=n=-60dB:d=5" -map 0:v:0 -f null -
Will output:
lavfi.freezedetect.freeze_start: 324.266667
lavfi.freezedetect.freeze_duration: 5.066667
lavfi....
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