Split zoom meeting recordings into two sides

split-zoom.sh

#!/bin/sh
set -eu

### Splits a zoom side-by-side recording into separate left and right video files.
# Usage: ./split-zoom.sh /path/to/my-zoom-file.mp4
# Outputs ./my-zoom-file_right.mp4 and ./my-zoom-file_left.mp4

# Ensure we have ffmpeg in the PATH:
which ffmpeg

# Get variants of the source file name.
ORIGINAL="$1"
NO_PATH_ORIGINAL="${ORIGINAL##*/}"
BASENAME="${NO_PATH_ORIGINAL%.*}"

echo "========== Splitting ${ORIGINAL} into left and right sides...========== "
echo "========== Splitting right side...======== "
ffmpeg -i "$ORIGINAL" -filter:v "crop=iw*(1/2):ih*(1/1):iw:0" -c:a copy "${BASENAME}_1_right.mp4"  
echo "======== ... done!========"
echo "========Splitting left side...========"
ffmpeg -i "$ORIGINAL" -filter:v "crop=iw*(1/2):ih*(1/1):0:0" -c:a copy "${BASENAME}_left.mp4"
echo "========Done!========"

error_out() {
  echo "========Something reported an error. See the output above for details.========"
  exit 1
}

trap "error_out" ERR