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Merge all tesla sentry videos with timestamp overlay
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| #!/bin/bash | |
| # Copyright 2024 Marc-Antoine Ruel | |
| # Original at https://gist.github.com/maruel/ffbcd83f204561346bbe3cc51682e7af | |
| # | |
| # Merges mp4 from Tesla Sentry into 4 videos files: front.mp4, back.mp4, | |
| # left_repeater.mp4, right_repeater.mp4. Overlay the timestamp on the video. | |
| # | |
| # Usage: | |
| # - Install ffmpeg. | |
| # - Copy all the files from your Tesla Sentry USB key in a directory. | |
| # - Run this script from this directory. | |
| set -eu | |
| # Get the first file name to determine the start time. | |
| EPOCH="$(python3 -c "import datetime,glob;d=datetime.datetime;print(round((d.strptime(sorted(glob.glob('*-front.mp4'))[0][:19],'%Y-%m-%d_%H-%M-%S')-d(1970,1,1)).total_seconds()))")" | |
| FONTFILE="/usr/share/fonts/truetype/noto/NotoSansMono-Regular.ttf" | |
| CONTENT="text='%{pts\:gmtime\:$EPOCH\:%Y-%m-%d %T}': " | |
| ASPECT="fontsize=48: fontcolor=white: box=1: boxcolor=black@0.5:" | |
| LOCATION="x=(w-text_w-10): y=(h-text_h-10):" | |
| SETTINGS="drawtext=fontfile=$FONTFILE: $CONTENT $LOCATION $ASPECT" | |
| for side in front back left_repeater right_repeater; do | |
| NAME="${side}.mp4" | |
| echo "- Generating $NAME" | |
| rm -f inputs.txt | |
| for i in $(ls *-${side}.mp4); do echo "file '$i'" >> inputs.txt; done | |
| # Options to make it smaller: | |
| # -r 1 | |
| # -crf 37 | |
| ffmpeg -hide_banner -loglevel error -f concat -safe 0 -i inputs.txt -r 10 \ | |
| -vf "$SETTINGS" -movflags +faststart -preset veryslow $NAME | |
| rm inputs.txt | |
| done |
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| #!/bin/bash | |
| # Copyright 2024 Marc-Antoine Ruel | |
| # Original at https://gist.github.com/maruel/ffbcd83f204561346bbe3cc51682e7af | |
| # | |
| # Generates a film strip from each videos. | |
| # | |
| # Assumes merge_tesla_sentry_videos.sh was run before. | |
| # | |
| # Adapt this code to your specific needs. | |
| set -eu | |
| function gen_strip { | |
| side=$1 | |
| offset=$2 | |
| fps=$3 | |
| duration=$4 | |
| tile=$5 | |
| out=$6 | |
| rm -f frame_*.png | |
| echo "Doing $out" | |
| ffmpeg -y -hide_banner -loglevel error -i ${side}.mp4 \ | |
| -ss $offset -vf "fps=$fps" -t $duration frame_%03d.png | |
| ffmpeg -y -hide_banner -loglevel error -i frame_%03d.png \ | |
| -filter_complex "tile=$tile" $out | |
| rm frame_*.png | |
| } | |
| #for side in front back left_repeater right_repeater; do | |
| # gen_strip $side 00:00:00 1/5 50 2x5 ${side}.jpg | |
| #done | |
| # Adapt to your needs: | |
| gen_strip front 00:00:00 1/2 20 2x5 front1.jpg | |
| gen_strip front 00:09:00 1/2 80 5x8 front2.jpg |
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