#!/bin/bash
__usage="Usage: $(basename $0) FILE [ssh alias]
Options:
	[FILE],      Input video file
	[ssh alias], The alias setup in ~/.ssh/config (default location)
	             See: ssh_config(5)
	-d,          Delete origional file
Notes:
The file will be copied to the remote computer and then the new file movied to the local computer.
This can use lots of bandwidth. Plan accordingly.
"

if [[ -z $1 ]];
then
	echo "$__usage"
	echo "Pass the file to encode as the first argument."
	exit
fi

if [[ -z $2 ]];
then
	echo "$__usage"
	echo "Pass the ssh alias of the remote device as the second argument."
	exit
fi

FILE=$1
BASE=$(basename "$FILE")
OTHER=$2
EXTENSION=".new.mp4"
TEMP="/tmp/" # don't put in a dir with spaces

# move file to other's temp drive
scp "$FILE" $OTHER:$TEMP
# use ffmpeg to encode on other computer
ssh $OTHER "ffmpeg -y -i $TEMP\"$BASE\" -vcodec hevc -filter:v scale=-2:720 $TEMP\"$BASE\"$EXTENSION"
# move file back
scp $OTHER:$TEMP"$BASE"$EXTENSION "$FILE"$EXTENSION
# delete temp file
ssh $OTHER "rm $TEMP\"$FILE\"; rm $TEMP\"$FILE\"$EXTENSION"

if [[ $3 == "-d" ]];
	rm $FILE
then