Questions tagged [concatenation]

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How to put a trailer clip in the middle of the main video with FFMPEG?

I have two videos of the same format encoded with the same codecs. I want trailer.mkv to be played after n minutes in the middle of main.mkv. After playing trailer.mkv, the rest of the main.mkv will ...
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How to concatenate videos with different number of streams?

I have two video files (.mov), first one contains only video stream and the second one contains both video and audio streams. Is it possible to concatenate them? I have tried using ffmpeg but it doesn'...
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27 views

Unsupported input video format "matroska,webm"

I would like to use ffmpeg-concat, but I get this error: (django-con-video) guettli@yoga15:~/django-con-video$ ./node_modules/.bin/ffmpeg-concat -t circleopen -d 750 -o out.mp4 *mkv ffmpeg-concat: 123....
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ffmpeg problems with tpad filter

I'm working with multiple filters using ffmpeg's -filter_complex, and I'm running into some weird problems using the tpad filter to add padding. I'm running ffmpeg 4.4 on a Mac. Issue with tpad and -...
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58 views

ffmpeg: concat without temp files?

Is it possible to concat without temp files using ffmpeg? eg; # nice ffmpeg -v error -f concat \ -ss "52.519" -copyts -to "53.153" -i in.mkv \ -ss "53.186" -copyts -...
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103 views

Does ffmpeg concat demuxer update the position of the moov atom if present in each video file?

Years ago I asked this question on: stackoverflow about correct syntax using the ffmpeg Concat demuxer to join mp4 files together. One question I hadn't thought to ask at the time was, when joining ...
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37 views

concat a/v desync (only in MPC-HC)

I'm concatenating .ts chunks intended for an HLS player into a single .mp4 video. Unlike in other questions these chunks possess same stream properties, However, some chunks have audio stream shorter ...
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54 views

ffmpeg - concatenate files, BUT strip the last few frames from the end of each one

I am trying to find the best way to automatically concatenate a large number of files that have been recorded with an overlap within them. In the process of 'glueing' the video files together, to get ...