Alexander Refsum Jensenius alexarje

Music researcher. Research musician. RITMO, University of Oslo. NIME. Father.

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alexarje / FFmpeg-tblend-exploration.sh

Created November 7, 2020 10:24

	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=addition" dance_addition.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=grainmerge" dance_grainmerge.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=and" dance_and.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=average" dance_average.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=burn" dance_burn.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=darken" dance_darken.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=difference" dance_difference.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=grainextract" dance_grainextract.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=divide" dance_divide.mp4
	ffmpeg -i dance.avi -filter_complex "tblend=all_mode=dodge" dance_dodge.mp4

alexarje / FFmpeg-30-video-grid.sh

Created November 7, 2020 10:29

	ffmpeg \
	-i dance_addition.mp4 \
	-i dance_and.mp4 \
	-i dance_average.mp4 \
	-i dance_blend.mp4 \
	-i dance_burn.mp4 \
	-i dance_darken.mp4 \
	-i dance_difference.mp4 \
	-i dance_divide.mp4 \
	-i dance_dodge.mp4 \

alexarje / mergevideos.sh

Last active March 31, 2022 18:29

Merge and compress a collection of video files. This works particularly well for video recordings that have been split across multiple files due to file size limitations.

	#!/bin/bash

	## Make list of video files

	TMPFILE=$(mktemp -p .) \|\| exit 1

	for file in *.{mp4,MP4}
	do
	echo file \'$file\' >> $TMPFILE
	done

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