關於youtube-dl pipe to ffmpeg的用法請教(已解決)

s912a42 wrote:
亂寫了一下 僅供參考...(恕刪)

jocoliu wrote:
感謝大大熱心解答小弟...(恕刪)

#!/bin/bash

declare -i n

clear #clear screen

n=0 #set counter to 0
start=${2} #get the second parameter from user
test -z $start && start=1 # if the 2nd parameter is empty then set it to 1, you can ignore the 2nd parameter if you want start from 1

echo '============= start from '$((start))

while read TITLE
do
n=n+1
name[$((n))]="$TITLE"

echo fetching title "#$((n)) ${name[$((n))]}"

done < <(youtube-dl -s -e -i --playlist-start $((start)) ${1} | sed 's/[@\&\|\^\<\>\?\%\#\{\}\$\*\,\;\"\/]/-/g') #remove special characters
# get song's titles and put them into array name[]

n=0 #reset counter

youtube-dl -s -f bestaudio -g -i --playlist-start $((start)) ${1} | while read URLS #fetch url & read one by one
do
n=n+1
youtube-dl -f bestaudio -i --quiet "$URLS" --buffer-size 16k --http-chunk-size 10M -o - | ffmpeg -loglevel error -y -i - -codec copy -f ogg -ignore_unknown /data/data/com.termux/files/home/storage/exsd/"${name[$((n))]}".ogg && echo "====== #$((n)) ${name[$((n))]} was downloaded ======" || rm /data/data/com.termux/files/home/storage/exsd/"${name[$((n))]}".ogg

#fetch songs & change container to ogg from webm by ffmpeg without changing opus codec, removed it if fetching failed(ex. mp4a) or you will get an ogg file with empty content
done

exit 0

jocoliu wrote:
問題終於解決了， 用...(恕刪)

jocoliu wrote:
再次小更新， 5F ...(恕刪)

jocoliu wrote:
再次更新， 前一版本...(恕刪)

#!/bin/bash

declare -i start

declare -i n


clear #clear screen

n=0 #set counter to 0
start=${2} #get the second parameter from user
[ $((start)) == 0 ] && start=1 # if the 2nd parameter is empty then set it to 1, you can ignore the 2nd parameter if you want start from 1

echo $(date) | awk '{printf $4}'
echo " ====== download from #$((start)) "
echo -e downloading ......

now=$SECONDS

while read data
do
n=n+1
name[$n]="$data"
#get id, url, title and put them into array

if [ $((n%3)) == 1 ]; then
id=${name[$n]}
elif [ $((n%3)) == 2 ]; then
url=${name[$n]}
else
title=${name[$n]/-$id/} #get title but remove id
ext="${title##*.}" #get ext
title=${title/.$ext/} #remove ext from title

if [ $ext == "webm" ]; then
youtube-dl -f bestaudio -i --quiet $url --buffer-size 16k --http-chunk-size 10M -o - | ffmpeg -loglevel quiet -y -i - -codec copy -f ogg -ignore_unknown /data/data/com.termux/files/home/storage/exsd/"$title".ogg && ( echo $(date) | awk '{printf $4}'; echo " #$((n/3+start-1)) $title.ogg was downloaded" )
else
youtube-dl -f bestaudio -i --quiet $url --buffer-size 16k --http-chunk-size 10M -o /data/data/com.termux/files/home/storage/exsd/"$title".m4a && ( echo $(date) | awk '{printf $4}'; echo " #$((n/3-1+start)) $title.m4a was downloaded" )
fi

fi

done < <(youtube-dl -s -f bestaudio --get-id --get-url --get-filename -i --playlist-start $((start)) ${1})

echo spent $(( SECONDS - now )) seconds

exit 0