A little script to stabilize given video file

deshake.sh

#!/bin/bash
##
# Deshake script.
#
# This script uses vidstab library with ffmpeg. You need a version of ffmpeg with vidstab.
# Read more about vid.stab and its params: https://github.com/georgmartius/vid.stab
#
# author: @karrirasinmaki
####

# script dir (source https://stackoverflow.com/a/246128)
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

input_file=""
output_file=""
FFMPEG="$DIR/ffmpeg"
params=""
width=-1
sharpen=1
frame=0
preset="general"
step="all"

function show_help {
	echo "Usage:"
	echo "-h help -- show this help document"
	echo "-i input -- input file"
	echo "-o output -- output file name/location, default=INPUT_stabilized.EXT"
	echo "-1, -2 -- which step to run (only one arg possible), 1=detect, 2=transform, default none = all the steps"
	echo "-w width -- scale video to width, default=-1 (no scaling)"
	echo "-s sharpen -- sharpen 1=default, 0=disabled, default=1"
	echo "-f frame -- reference frame to be used with tripod preset, default=0 (disabled)"
	echo "-t type/preset -- preset to use (general/gentle/tripod), default=general"
	echo "-p ffmpeg params"
}

OPTIND=1
while getopts "12i:p:w:s:t:o:f:h": opt; do
	case "$opt" in
	h|\?)
		show_help
		exit 0
		;;
	1)
		step="detect"
		;;
	2)
		step="transform"
		;;
	i)
		input_file="$OPTARG"
		;;
	o)
		output_file="$OPTARG"
		;;
	p)
		params="$OPTARG"
		;;
	w)
		width=$OPTARG
		;;
	s)
		sharpen=$OPTARG
		;;
	f)
		frame=$OPTARG
		;;
	t)
		preset="$OPTARG"
		;;
	esac
done
if [ $OPTIND -eq 1 ]; then
	echo "No options were passed."
	show_help
	exit 0
fi

file_basename=$(basename -- "$input_file")
file_ext="${file_basename##*.}"
file_name="${file_basename%.*}"

echo "Processing file:"
echo "$input_file"
echo "$file_basename"
echo "$file_name"
echo "$file_ext"
echo "---"
echo "$params"

if [[ $output_file == "" ]]; then
	output_file="${file_name}_stabilized.$file_ext"
fi


##
# One step

# "$FFMPEG" -i "$input_file" $params -y -vf vidstabtransform,unsharp=5:5:0.8:3:3:0.4 "${file_name}_stabilizedOne.$file_ext"


##
# Two steps

detect_params=stepsize=6:shakiness=10:accuracy=10
trans_params=zoom=0:smoothing=1

echo "preset: $preset"
if [[ $preset == "general" ]]; then
	# pass
	echo ""
elif [[ $preset == "gentle" ]]; then
	trans_params=$trans_params:maxangle=0.01
elif [[ $preset == "tripod" ]]; then
	if [ $frame -eq 0 ]; then
		echo "Please set reference frame to use with tripod with option -f."
		exit 0
	fi
	detect_params=$detect_params:tripod=$frame
	trans_params=$trans_params:tripod=1:maxshift=0.1:smoothing=10
fi

if [ $sharpen -eq 1 ]; then
	# unsharp
	# TODO: Possibility to choose sharpening strenght
	trans_params=$trans_params,unsharp=5:5:0.8:3:3:0.4
fi

# extra params
# params="$params -tune film"

if [[ $step == "all" || $step == "detect" ]]; then
	# Generate info about shakes
	"$FFMPEG" -i "$input_file" -vf vidstabdetect=result="$output_file.trf":$detect_params $params -f null -
fi
if [[ $step == "all" || $step == "transform" ]]; then
	# Stabilize the video using data from the first pass
	"$FFMPEG" -i "$input_file" -vf vidstabtransform=input="$output_file.trf":$trans_params,scale=$width:-1 \
	-acodec copy -vcodec libx264 $params "$output_file"

fi

	# -vf colormatrix=bt601:bt709 \

	# -sws_flags spline+accurate_rnd+full_chroma_int -vf "colorspace=bt709:iall=bt601:fast=1" \
	# -color_range 1 -colorspace 1 -color_primaries 1 -color_trc 1 \

	# -color_range pc -colorspace smpte170m -color_primaries bt709 -color_trc bt709 \