Using FFmpeg concatenate multiple videos
Some cameras split a sigle video into multiple files during recoding due to the limitation of the maximum file size in the file system(E.g. maximum single file size for FAT32 is 4GB). In this post, we will take advantage of FFmpeg to merge back our video fragments into a continuous single video.
To begin with, we put all our video fragments into the same folder and create a new file called clips.txt. Next, we add the filenames of the video fragments into clips.txt in the order we want to concatenate and seperate them by new lines.
An example of clips.txt.
file 'first.mp4'
file 'second.mp4'
...
Last, running the following command will generate the concatenated video named output.mp4 for us:)
ffmpeg -f concat -i clips.txt -c copy output.mp4
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