xcc.es
[READ-ONLY] Mirror of https://github.com/mrgnw/dotfiles. My shell customizations - aliases, functions, and themes.
dotfiles
shell
zinit
zsh
1ffp(){
2 ffprobe -print_format json -show_format -show_streams -show_chapters -show_private_data "$@" | jq '.streams'
3}
4
5hevc(){
6 local filename=$1:t:r
7 ffmpeg -i $1 -c:v hevc_videotoolbox -b:v 2M $filename.mp4
8 # ffmpeg -i input.mp4 -c:v h264_videotoolbox -b:v 2M -hwaccel videotoolbox output.mp4
9}
10
11atv(){
12 # Apple 1080p60 4K HEVC Surround.
13 # also make sure it works with quicklook
14 # $2 accepts quality - 1080p60, 1080p30, 720p60, 720p30, 480p30, 360p30, 240p30, 144p30
15 local quality=${2:-"1080p30"}
16
17 fname=$1:t:r
18 input=$1
19 local output_dir=$HANDBRAKE_OUTPUT_DIR
20 # if HANDBRAKE_OUTPUT_DIR is not set, use current directory
21 if [[ -z $HANDBRAKE_OUTPUT_DIR ]]; then
22 output_dir=$(pwd)
23 fi
24 echo output_dir "$output_dir"
25
26 handbrake --input "$input" -o "$output_dir/$fname-$quality.mp4" \
27 --preset "Apple $quality Surround" \
28 --all-subtitles --all-audio --optimize \
29 && trash "$input";
30 # ensure format will play in macos quicklook using handbrake
31 # ffmpeg -i input.mp4 -c:v h264_videotoolbox -b:v 2M -hwaccel videotoolbox output.mp4
32 # ffmpeg -i "${1%.*}.mp4" -c copy -movflags faststart "${1%.*}.mp4"
33}
34# mp4s() - simply converts all non mp4 files in cwd to mp4 using ffmpeg.
35# If the codec is already h264 or hevc, it just remuxes to mp4 container.
36# if not, it converts to h264
37# also, don't overwrite existing mp4 files; skip if the mp4 already exists
38mp4s(){
39 emulate -L zsh -o extendedglob
40 for f in (#i)*.(mp4|mov|mkv|avi|webm|m4v|flv|wmv|mpg|mpeg|ts|m2ts|3gp|vob)(.N); do
41 # get file extension (case-insensitive check)
42 local ext=${f##*.}
43 local target_mp4="${f%.*}.mp4"
44 # before applying profile, check if file is already mp4
45 if [[ ${ext:l} != "mp4" ]]; then
46 # skip if target mp4 already exists
47 if [[ -e "$target_mp4" ]]; then
48 echo " - $target_mp4 already exists, skipping $f"
49 else
50 # detect codec via ffprobe to decide remux vs transcode
51 local vcodec
52 vcodec=$(ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=nk=1:nw=1 "$f" 2>/dev/null)
53 if [[ "$vcodec" == "h264" || "$vcodec" == "hevc" || "$vcodec" == "h265" ]]; then
54 echo " - $f is already h264 or hevc, remuxing to mp4"
55 ffmpeg -i "$f" -c copy -movflags faststart "$target_mp4" && trash "$f"
56 else
57 echo " - converting $f to mp4"
58 ffmpeg -i "$f" -c:v libx264 -crf 23 -preset medium -c:a aac -b:a 192k -movflags +faststart "$target_mp4" && trash "$f"
59 fi
60 fi
61 else
62 echo " - $f is already mp4, skipping"
63 fi
64 done
65 }
66
67
68 atvs(){
69 # apply profile 'Apple 1080p60 HEVC Surround' to all files in current directory
70 local quality=${2:-"1080p30"}
71 emulate -L zsh -o extendedglob
72 for f in (#i)*.(mp4|mov|mkv|avi|webm|m4v|flv|wmv|mpg|mpeg|ts|m2ts|3gp|vob)(.N); do
73 atv "$f" "$quality"
74 done
75 }
76
77# muxs() - batch remux all matching video files to mp4
78# - copies video stream, encodes audio to AAC
79# - skips when target .mp4 already exists
80# - case-insensitive extension match via zsh extended globs
81muxs(){
82 emulate -L zsh -o extendedglob
83 for f in (#i)*.(mp4|mov|mkv|avi|webm|m4v|flv|wmv|mpg|mpeg|ts|m2ts|3gp|vob)(.N); do
84 local base=${f%.*}
85 local ext=${f##*.}
86 # For mp4 inputs, add -compressed suffix; for others, convert to .mp4
87 if [[ ${ext:l} == "mp4" ]]; then
88 local out="${base}-compressed.mp4"
89 else
90 local out="${base}.mp4"
91 fi
92 echo " - converting $f -> $out"
93 ffmpeg -y -i "$f" -movflags +faststart "$out" \
94 && echo " ✔ done"
95 done
96}