mirror of
https://github.com/skoobasteeve/useful-scripts.git
synced 2026-03-19 23:28:55 +00:00
101 lines
3.5 KiB
Bash
Executable File
101 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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### VARIABLES ###
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PROGNAME="$(basename "$0")"
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INPUT_SOURCE=$1
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QUALITY_HD=23
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QUALITY_4K=22
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FILEDIR=$(dirname "$INPUT_SOURCE")
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### FUNCTIONS###
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### Function: Help
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Help()
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{
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echo "This script uses sensible ffmpeg options to batch encode MKV files in a directory to compressed H264 MKVs."
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echo "You can change the CRF parameters in the script, defaults are 24 for HD and 22 for 4K."
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echo
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echo "SYNTAX: ./ffmpeg-encode.sh 'INPUT DIRECTORY'"
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echo "EXAMPLE: ./ffmpeg-encode.sh ~/Videos/Movies"
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echo
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echo "Learn more about FFmpeg's quality settings: https://trac.ffmpeg.org/wiki/Encode/H.264"
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}
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### Funtion: Error
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error_exit()
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{
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echo "${PROGNAME}: ${1:-"Unknown Error"}" 1>&2
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exit 1
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}
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# Function: encode each file in the directory with different CRF setting based on resolution
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folder_encode () {
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if [ ! -d "$INPUT_SOURCE/output" ]; then
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mkdir "$INPUT_SOURCE/output"
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fi
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for FILE in "$INPUT_SOURCE"/*.*; do
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RES=$(ffprobe -v error -select_streams v:0 -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 "$FILE")
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FILENAME=$(basename "$FILE")
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if [[ $RES -gt 1920 ]]; then
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echo "File is 4K or higher, encoding using CRF $QUALITY_4K"
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ffmpeg -i "$FILE" -c:v libx264 -preset slow -tune film -crf "$QUALITY_4K" -c:a copy "$INPUT_SOURCE"/output/"$FILENAME" || echo "ERROR Line $LINENO: File not encoded, unknown error occurred." 1>&2
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elif [[ $RES -le 1920 ]] && [[ -n $RES ]]; then
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echo "File is HD or lower, encoding using CRF $QUALITY_HD"
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ffmpeg -i "$FILE" -c:v libx264 -preset slow -tune film -crf "$QUALITY_HD" -c:a copy "$INPUT_SOURCE"/output/"$FILENAME" || echo "ERROR Line $LINENO: File not encoded, unknown error occurred." 1>&2
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else
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echo "ERROR Line $LINENO: Source file $FILE is not a valid video file" 1>&2
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echo "Skipping..."
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fi
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done
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}
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# Function: encode single file with different CRF setting based on resolution
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file_encode () {
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if [ ! -d "$FILEDIR/output" ]; then
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mkdir "$FILEDIR/output"
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fi
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FILENAME=$(basename "$INPUT_SOURCE")
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RES=$(ffprobe -v error -select_streams v:0 -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 "$INPUT_SOURCE")
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if [[ $RES -gt 1920 ]]; then
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echo "File is 4K or higher, encoding using CRF $QUALITY_4K"
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ffmpeg -i "$INPUT_SOURCE" -c:v libx264 -preset slow -tune film -crf "$QUALITY_4K" -c:a copy "$FILEDIR"/output/"$FILENAME" || echo "ERROR Line $LINENO: File not encoded, unknown error occurred." 1>&2
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elif [[ $RES -le 1920 ]] && [[ -n $RES ]]; then
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echo "File is HD or lower, encoding using CRF $QUALITY_HD"
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ffmpeg -i "$INPUT_SOURCE" -c:v libx264 -preset slow -tune film -crf "$QUALITY_HD" -c:a copy "$FILEDIR"/output/"$FILENAME" || echo "ERROR Line $LINENO: File not encoded, unknown error occurred." 1>&2
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else
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echo "ERROR Line $LINENO: Source file $INPUT_SOURCE is not a valid video file" 1>&2
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fi
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}
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### SCRIPT ###
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# Check if source input is provided
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if [ -z "$1" ]; then
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printf "ERROR: You must specify a source directory\n\n" 1>&2
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Help
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exit 1
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fi
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# Run function based on file or folder input
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if [ -f "$1" ]; then
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file_encode || error_exit "$LINENO: An error has occurred." 1>&2
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elif [ -d "$1" ]; then
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folder_encode || error_exit "$LINENO: An error has occurred." 1>&2
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else
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error_exit "$LINENO: Not a valid source" 1>&2
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fi
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echo "File(s) encoded successfully!"
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exit 0
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