„to_opus.sh“ löschen
This commit is contained in:
parent
8f662f9501
commit
7d9364818b
1 changed files with 0 additions and 63 deletions
63
to_opus.sh
63
to_opus.sh
|
@ -1,63 +0,0 @@
|
||||||
#!/bin/bash
|
|
||||||
|
|
||||||
# set shopt-options used by this shell-script
|
|
||||||
# Note, 0 (true) from shopt -q is "false" in a math context.
|
|
||||||
shopt -q globstar; globstar_set=$?
|
|
||||||
((globstar_set)) && shopt -s globstar
|
|
||||||
shopt -q extglob; extglob_set=$?
|
|
||||||
((extglob_set)) && shopt -s extglob
|
|
||||||
|
|
||||||
# return default shopt-options
|
|
||||||
function finish {
|
|
||||||
((globstar_set)) && shopt -u globstar
|
|
||||||
((extglob_set)) && shopt -u extglob
|
|
||||||
}
|
|
||||||
trap finish EXIT
|
|
||||||
|
|
||||||
|
|
||||||
# setting default extension to mp3
|
|
||||||
if [ $# -eq 0 ]; then
|
|
||||||
extension="mp3"
|
|
||||||
else
|
|
||||||
extension=$@
|
|
||||||
extension=${extension// /|}
|
|
||||||
fi
|
|
||||||
|
|
||||||
|
|
||||||
for file in **/*.@($extension); do
|
|
||||||
|
|
||||||
#set a channel-dependent bitrate for every audio stream
|
|
||||||
command=$(
|
|
||||||
ffprobe "$file" -v 0 -show_entries stream=channels,bit_rate -select_streams a -of compact=p=0:nk=1:s="\ " |
|
|
||||||
awk -v file="$file" -v file_output="${file%.*}.opus" '
|
|
||||||
BEGIN{
|
|
||||||
ORS=" ";
|
|
||||||
print "ffmpeg -i \""file"\" -map 0:a -c:a libopus"
|
|
||||||
}
|
|
||||||
{ # https://wiki.xiph.org/Opus_Recommended_Settings
|
|
||||||
if($1==1) print $2>=64000 ? "-b:a:"NR-1" 64k" : "-b:a:"NR-1" "$2
|
|
||||||
else if($1==2) print $2>=128000 ? "-b:a:"NR-1" 128k" : "-b:a:"NR-1" "$2
|
|
||||||
else if($1<=6) print $2>=256000 ? "-b:a:"NR-1" 256k" : "-b:a:"NR-1" "$2
|
|
||||||
else print $2>=450000 ? "-b:a:"NR-1" 450k" : "-b:a:"NR-1" "$2
|
|
||||||
}
|
|
||||||
END{
|
|
||||||
print "\""file_output"\" -v info -hide_banner"
|
|
||||||
}')
|
|
||||||
|
|
||||||
|
|
||||||
is_video=$(ffprobe -i Hair.m4v -v fatal -select_streams V -show_entries stream=codec_type)
|
|
||||||
if [[ -n "$is_video" ]]; then
|
|
||||||
echo "$file is a video file and will not be converted"
|
|
||||||
|
|
||||||
#an Example for converting the audiostreams in a container while copying subtitles and videostreams.
|
|
||||||
#ffmpeg -i Hair.m4v -map 0:a -map 0:s -map 0:v -c:a libopus -c:v copy -c:s copy Hair.mkv -hide_banner -v info
|
|
||||||
|
|
||||||
#for extracting the audiostreams of a video file just use "eval "$command"".
|
|
||||||
#it is recommended to check the result before deleting the original file.
|
|
||||||
else
|
|
||||||
eval "$command" && rm "$file"
|
|
||||||
fi
|
|
||||||
|
|
||||||
done
|
|
||||||
|
|
||||||
exit 0
|
|
Loading…
Reference in a new issue