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114 lines
3.9 KiB
Plaintext
114 lines
3.9 KiB
Plaintext
#--------------------------------
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# filename: /zsh/ffmpeg
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#--------------------------------
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# Original script: https://yohanes.gultom.me/2016/05/21/bash-script-to-batch-convert-mkv-to-mp4-linux/
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# Rewritten with ChatGPT 🙈
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function ff-mp4 () {
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local findpath="${1:-.}"
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local file_list=()
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local temp_file=$(mktemp)
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# Find all video files and write them to a temporary file
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find "$findpath" \( -iname '*.mkv' -o -iname '*.flv' -o -iname '*.mov' -o -iname '*.mp4' \) -print0 > "$temp_file"
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# Read the file contents into the file_list array
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while IFS= read -r -d $'\0' file; do
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file_list+=("$file")
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done < "$temp_file"
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rm "$temp_file" # Delete the temporary file
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# Process each file in the file_list array
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for file in "${file_list[@]}"; do
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local dir=$(dirname "$file")
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local file_name=$(basename "$file")
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local name="${file_name%.*}"
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local ext="${file_name##*.}"
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echo "Processing file: $file_name"
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# Re-container the video file to mp4 using ffmpeg
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ffmpeg -hide_banner -loglevel error -i "$file" -map 0 -c copy -pix_fmt yuv420p -movflags faststart "$dir/temp_$name.mp4"
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# Rename the original file and move the new mp4 file to its place
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mv -n "$file" "$dir/_$file_name"
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mv -n "$dir/temp_$name.mp4" "$dir/$file_name"
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done
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}
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# ffmpeg-convert
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# source: https://yohanes.gultom.me/2016/05/21/bash-script-to-batch-convert-mkv-to-mp4-linux/
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function ff-ac3-to-stereo() {
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findpath=$1
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: "${findpath:="."}"
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find "$findpath" \( -iname '*.mkv' -o -iname '*.flv' -o -iname '*.mov' -o -iname '*.mp4' \) | while read -r f ; do
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dir=$(dirname "$f");
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file=$(basename "$f");
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name="${file%.*}";
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ext="${file##*.}";
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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_$name.mp4";
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mv "$f" "$dir/_$file";
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mv "$dir/temp_$name.mp4" "$dir/$file";
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done
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}
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# ffmpeg audio-to-ac3
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function ff-input-to-ac3() {
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ffmpeg -i "$1" -movflags faststart -map 0 -c:v copy -c:s copy -c:a ac3 -b:a 448k "temp_$1"
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mv "$1" "_$1" && mv "temp_$1" "$1"
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}
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# ffmpeg fix 16:9 AR
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function ff-ar16-9() {
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ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=4/3" -aspect 16:9 -pix_fmt yuv420p -movflags faststart "temp_$1"
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mv "$1" "_$1" && mv "temp_$1" "$1"
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}
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# ffmpeg fix 5:4 AR
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function ff-ar5-4() {
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ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=1/1" -aspect 5:4 -pix_fmt yuv420p -movflags faststart "temp_$1"
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mv "$1" "_$1" && mv "temp_$1" "$1"
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}
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# ffmpeg fix 4:3 AR
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function ff-ar4-3() {
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ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=1/1" -aspect 4:3 -pix_fmt yuv420p -movflags faststart "temp_$1"
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mv "$1" "_$1" && mv "temp_$1" "$1"
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}
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# ffmpeg fix AR ($1 = file, $2 1/1, $4:3)
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function ff-ar-custom() {
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if [ $# -lt 3 ]; then
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>&2 echo "Not enough arguments (\$1 = 'file', \$2 '1/1', \$3 '4:3')"
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return 0
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else
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ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=$2" -aspect $3 -pix_fmt yuv420p -movflags faststart "_$1"
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fi
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}
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# ffmpeg fix Non-monotonous DTS
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function ff-dts() {
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ffmpeg -fflags +igndts -i "$1" -c copy -pix_fmt yuv420p -movflags faststart "temp_$1"
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mv "$1" "_$1" && mv "temp_$1" "$1"
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}
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## ffmpeg wma-to-m4a
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function ff-wma-m4a() {
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findpath=$1
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: "${findpath:="."}"
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find "$findpath" -name '*.wma' | while read -r f ; do
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dir=$(dirname "$f");
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file=$(basename "$f");
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name="${file%.*}";
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ext="${file##*.}";
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ffmpeg -hide_banner -loglevel error -i "$f" -map 0 -vn -b:a 192k -c:a libfdk_aac "$dir/temp_$name.mp4";
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mv "$f" "$dir/_$file";
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mv "$dir/temp_$name.mp4" "$dir/$file";
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done
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}
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