#-------------------------------- # filename: /zsh/ffmpeg #-------------------------------- # ffmpeg-recontainer # source: https://yohanes.gultom.me/2016/05/21/bash-script-to-batch-convert-mkv-to-mp4-linux/ function ff-mp4() { findpath=$1 : "${findpath:="."}" find "$findpath" \( -iname '*.mkv' -o -iname '*.flv' -o -iname '*.mov' -o -iname '*.mp4*' \) | while read -r f ; do dir=$(dirname "$f"); file=$(basename "$f"); name="${file%.*}"; ext="${file##*.}"; ffmpeg -hide_banner -loglevel error -i "$f" -map 0 -c copy -movflags faststart "$dir/temp_$name.mp4"; mv "$f" "$dir/_$file"; mv "$dir/temp_$name.mp4" "$dir/$file"; done } # ffmpeg-convert # source: https://yohanes.gultom.me/2016/05/21/bash-script-to-batch-convert-mkv-to-mp4-linux/ function ff-ac3-to-stereo() { findpath=$1 : "${findpath:="."}" find "$findpath" \( -iname '*.mkv' -o -iname '*.flv' -o -iname '*.mov' -o -iname '*.mp4' \) | while read -r f ; do dir=$(dirname "$f"); file=$(basename "$f"); name="${file%.*}"; ext="${file##*.}"; ffmpeg -hide_banner -loglevel error -i "$f" -map 0 -c:v copy -c:a libfdk_aac -b:a 192k -ac 2 -af volume=2 -movflags faststart "$dir/temp_$name.mp4"; mv "$f" "$dir/_$file"; mv "$dir/temp_$name.mp4" "$dir/$file"; done } # ffmpeg audio-to-ac3 function ff-input-to-ac3() { ffmpeg -i "$1" -movflags faststart -map 0 -c:v copy -c:s copy -c:a ac3 -b:a 448k "temp_$1" mv "$1" "_$1" && mv "temp_$1" "$1" } # ffmpeg fix 16:9 AR function ff-ar16-9() { ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=4/3" -aspect 16:9 -movflags faststart "temp_$1" mv "$1" "_$1" && mv "temp_$1" "$1" } # ffmpeg fix 5:4 AR function ff-ar5-4() { ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=1/1" -aspect 5:4 -movflags faststart "temp_$1" mv "$1" "_$1" && mv "temp_$1" "$1" } # ffmpeg fix 4:3 AR function ff-ar4-3() { ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=1/1" -aspect 4:3 -movflags faststart "temp_$1" mv "$1" "_$1" && mv "temp_$1" "$1" } # ffmpeg fix Non-monotonous DTS function ff-dts() { ffmpeg -fflags +igndts -i "$1" -c copy -movflags faststart "temp_$1" mv "$1" "_$1" && mv "temp_$1" "$1" } ## ffmpeg wma-to-m4a function ff-wma-m4a() { findpath=$1 : "${findpath:="."}" find "$findpath" -name '*.wma' | while read -r f ; do dir=$(dirname "$f"); file=$(basename "$f"); name="${file%.*}"; ext="${file##*.}"; ffmpeg -hide_banner -loglevel error -i "$f" -map 0 -vn -b:a 192k -c:a libfdk_aac "$dir/temp_$name.mp4"; mv "$f" "$dir/_$file"; mv "$dir/temp_$name.mp4" "$dir/$file"; done }