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Jan Jastrow 2023-12-18 22:30:42 +01:00
parent 0f565c47f5
commit 3fd84cace3
1 changed files with 41 additions and 40 deletions
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81
zsh/ffmpeg
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@ -6,56 +6,57 @@
# Rewritten with ChatGPT 🙈 # Rewritten with ChatGPT 🙈
function ff-mp4 () { function ff-mp4 () {
local findpath="${1:-.}" local findpath="${1:-.}"
local file_list=() local file_list=()
local temp_file=$(mktemp) local temp_file=$(mktemp)
# Find all video files and write them to a temporary file # Find all video files and write them to a temporary file
find "$findpath" \( -iname '*.mkv' -o -iname '*.flv' -o -iname '*.mov' -o -iname '*.mp4' \) -print0 > "$temp_file" find "$findpath" \( -iname '*.mkv' -o -iname '*.flv' -o -iname '*.mov' -o -iname '*.mp4' \) -print0 > "$temp_file"
# Read the file contents into the file_list array # Read the file contents into the file_list array
while IFS= read -r -d $'\0' file; do while IFS= read -r -d $'\0' file; do
file_list+=("$file") file_list+=("$file")
done < "$temp_file" done < "$temp_file"
rm "$temp_file" # Delete the temporary file rm "$temp_file" # Delete the temporary file
# Process each file in the file_list array # Process each file in the file_list array
local num_files=${#file_list[@]} local num_files=${#file_list[@]}
local counter=1 local counter=1
for file in "${file_list[@]}"; do for file in "${file_list[@]}"; do
local dir=$(dirname "$file") local dir=$(dirname "$file")
local file_name=$(basename "$file") local file_name=$(basename "$file")
local name="${file_name%.*}" local name="${file_name%.*}"
local ext="${file_name##*.}" local ext="${file_name##*.}"
echo "Processing file [$counter/$num_files]: $file_name" echo "Processing file [$counter/$num_files]: $file_name"
counter=$((counter+1)) counter=$((counter+1))
# Re-container the video file to mp4 using ffmpeg # Re-container the video file to mp4 using ffmpeg
ffmpeg -hide_banner -loglevel error -i "$file" -map 0 -c copy -pix_fmt yuv420p -movflags faststart "$dir/temp_$name.mp4" ffmpeg -hide_banner -loglevel error -i "$file" -map 0 -c copy -pix_fmt yuv420p -movflags faststart "$dir/temp_$name.mp4"
# Rename the original file and move the new mp4 file to its place # Rename the original file and move the new mp4 file to its place
mv -n "$file" "$dir/_$file_name" mv -n "$file" "$dir/_$file_name"
mv -n "$dir/temp_$name.mp4" "$dir/$file_name" mv -n "$dir/temp_$name.mp4" "$dir/$file_name"
done
done
} }
# Recompress input MP4 to 720p MP4 (copy audio) # Recompress input MP4 to 720p MP4 (copy audio)
ff-recompress720p() { ff-recompress720p() {
for input in *.mp4; do for input in *.mp4; do
if [[ -f "$input" ]]; then if [[ -f "$input" ]]; then
tempfile="temp_${input%.mp4}" tempfile="temp_${input%.mp4}"
ffmpeg -hide_banner -i "$input" -map 0 -c:v libx264 -crf 18 -vf scale=1280:-1 -preset slow -tune film -x264-params "ref=5:bframes=5:crf-max=25:qpmax=34:level=3.1:b-adapt=2:direct=auto:deblock=-1,-1:analyse=all:me=umh:subme=9:trellis=2:psy-rd=1,0.15:vbv-bufsize=17500:vbv-maxrate=17500:rc-lookahead=60" -c:a copy -movflags faststart "$tempfile.mp4" ffmpeg -hide_banner -i "$input" -map 0 -c:v libx264 -crf 18 -vf scale=1280:-1 -preset slow -tune film -x264-params "ref=5:bframes=5:crf-max=25:qpmax=34:level=3.1:b-adapt=2:direct=auto:deblock=-1,-1:analyse=all:me=umh:subme=9:trellis=2:psy-rd=1,0.15:vbv-bufsize=17500:vbv-maxrate=17500:rc-lookahead=60" -c:a copy -movflags faststart "$tempfile.mp4"
if [[ $? -eq 0 ]]; then if [[ $? -eq 0 ]]; then
mv "$input" "_$input" mv "$input" "_$input"
mv "$tempfile.mp4" "$input" mv "$tempfile.mp4" "$input"
echo "Conversion successful: $input" echo "Conversion successful: $input"
else else
echo "Conversion failed for: $input" echo "Conversion failed for: $input"
fi fi
fi fi
done done
} }
# ffmpeg-convert # ffmpeg-convert
@ -103,10 +104,10 @@ function ff-ar4-3() {
# ffmpeg fix AR ($1 = file, $2 1/1, $4:3) # ffmpeg fix AR ($1 = file, $2 1/1, $4:3)
function ff-ar-custom() { function ff-ar-custom() {
if [ $# -lt 3 ]; then if [ $# -lt 3 ]; then
>&2 echo "Not enough arguments (\$1 = 'file', \$2 '1/1', \$3 '4:3')" >&2 echo "Not enough arguments (\$1 = 'file', \$2 '1/1', \$3 '4:3')"
return 0 return 0
else else
ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=$2" -aspect $3 -pix_fmt yuv420p -movflags faststart "_$1" ffmpeg -i "$1" -c copy -map 0 -bsf:v "h264_metadata=sample_aspect_ratio=$2" -aspect $3 -pix_fmt yuv420p -movflags faststart "_$1"
fi fi
} }