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videolen.sh
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videolen.sh
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#!/usr/bin/env bash
#调用ffprobe统计多个视频的总时长...
#注意：以下代码中的 /v/bin/videolen 为外部子shell脚本，具体代码请查看本仓库同目录下的 _videolen.sh 文件；
#借助awk进行浮点数比较
#See Also：https://stackoverflow.com/questions/8654051/how-can-i-compare-two-floating-point-numbers-in-bash
_numCompare() {
if awk "BEGIN {exit !($1 == $2)}"; then
return 0 #二者相等
elif awk "BEGIN {exit !($1 > $2)}";then
return 1 #前者比后者大
else
return 2 #前者比后者小
fi
}
videolen() {
#递归调用videolen，适配多文件的情况,eg：videolen *.mp4
_print_help() {
echo -e "videolen：\n\t调用 ffprobe 查看和计算单个或多个视频的时长（支持通配符*指定某个文件类型）；\n"
echo -e "Usage:"
echo -e "\tvideolen file1 [file2 file3 ...]\n"
echo -e "Example:"
echo -e "\tvideolen hello.mp4"
echo -e "\tvideolen 1.mp4 2.mp4 3.mp4 4.mp4"
echo -e "\tvideolen *.mp4"
}
if [ $# -eq 0 ]||[[ "$*" == "-h" || "$*" == "--help" ]];
then
_print_help && return
elif [ $# -eq 1 ];
then
printf "时长（秒）："
IFS=$(echo -e "\n") /v/bin/videolen "$1"|dos2unix -q
return
fi
OLD_IFS=$IFS
IFS=$(echo -e "\n")
local totalTime=0
local Hours
local Mintues
local Seconds
for file in $@
do
#echo -e "$file\t\c"
#/v/bin/videolen "$file"
local vTime=$(/v/bin/videolen "$file"|dos2unix -q)
totalTime=$(echo "${totalTime}+${vTime}"|dos2unix|bc)
echo -e "$vTime <= $file"
done
_numCompare "$totalTime" 3600
local HoursFlag=$?
_numCompare "$totalTime" 60
local MintuesFlag=$?
if [ $HoursFlag -le 1 ];then #时长大于1小时的情况
Hours=$(echo "$totalTime/3600"|bc)
#echo -e "小时数：$Hours"
Mintues=$(echo "($totalTime-3600*$Hours)/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$totalTime%60"|bc)
#echo -e "秒数：$Seconds"
elif [ $MintuesFlag -le 1 ];then #时长大于1分钟的情况
Mintues=$(echo "$totalTime/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$totalTime%60"|bc)
#echo -e "秒数：$Seconds"
fi
echo "====================================================="
echo "总时间：$totalTime 秒"
if [ ! -z "$Mintues" ];then
printf "合计："
[ ! -z "$Hours" ] && printf "%s 小时 " $Hours
[ ! -z "$Mintues" ] && printf "%s 分钟 " $Mintues
[ ! -z "$Seconds" ] && printf "%s 秒 " $Seconds
printf "\n"
fi
IFS=$OLD_IFS
}
ideolen-by-filelist() {
#通过指定的文件列表计算所有视频文件的时长，有别于`videolen`函数：参数直接传递视频文件名
#适用情况：适用于要统计的视频文件不在同一个目录下，在多个不同子目录或分散在多个不同路径文件夹下的情况（使用`find`命令生成文件列表后调用此函数计算）
#列表文件（通常为txt文件，后缀不敏感）内容为存放视频文件名或文件路径，一行一个
#（注：列表内视频的路径用相对路径或绝对路径均可，使用相对路径时需要注意命令行的工作目录，只需调用函数时能读取到相应的视频文件即可）
_print_help() {
echo -e "videolen-by-filelist：\n\t通过指定的文件列表计算列表中所有视频文件的时长（格式：通常为txt文件，文件名或文件路径一行一个）；"
echo -e "\t支持从管道（标准输入）读取文件名列表;\n"
echo -e "Usage:"
echo -e "\tvideolen-by-filelist video~list~file"
echo -e "\tcommandline~to~pipeline|videolen-by-filelist\n"
echo -e "Example:"
echo -e "\tvideolen-by-filelist filelist.txt"
echo -e "\tfind -type f -iname '*.mp4'|videolen-by-filelist"
}
if [ $# -eq 0 -a -t 0 ]||[[ "$*" == "-h" || "$*" == "--help" ]];
then
_print_help && return
elif [ $# -eq 1 ];
then
[ ! -f "$1" ] && print_color 40 "指定的文件列表( $1 )不存在，请确认！" && return
fi
local fileList="$1"
OLD_IFS=$IFS
IFS=$(echo -e "\n")
local totalTime=0
local Hours
local Mintues
local Seconds
[ ! -t 0 ] && fileHandle=/dev/stdin || fileHandle="$fileList"
while read file;
do
local vTime=$(/v/bin/videolen "$file"|dos2unix -q)
[ -z "$vTime" ] && printf "0 <= %s \033[40;33m【文件无效或不是视频文件！】\033[0m\n" "$file" && continue #跳过非视频文件和无效的视频文件
totalTime=$(echo "${totalTime}+${vTime}"|dos2unix|bc)
echo -e "$vTime <= $file"
done <$fileHandle
_numCompare "$totalTime" 3600
local HoursFlag=$?
_numCompare "$totalTime" 60
local MintuesFlag=$?
if [ $HoursFlag -le 1 ];then #时长大于1小时的情况
Hours=$(echo "$totalTime/3600"|bc)
#echo -e "小时数：$Hours"
Mintues=$(echo "($totalTime-3600*$Hours)/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$totalTime%60"|bc)
#echo -e "秒数：$Seconds"
elif [ $MintuesFlag -le 1 ];then #时长大于1分钟的情况
Mintues=$(echo "$totalTime/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$totalTime%60"|bc)
#echo -e "秒数：$Seconds"
fi
echo "====================================================="
echo "总时间：$totalTime 秒"
if [ ! -z "$Mintues" ];then
printf "合计："
[ ! -z "$Hours" ] && printf "%s 小时 " $Hours
[ ! -z "$Mintues" ] && printf "%s 分钟 " $Mintues
[ ! -z "$Seconds" ] && printf "%s 秒 " $Seconds
printf "\n"
fi
IFS=$OLD_IFS
}
alias videolen-from-list='videolen-by-filelist'
alias videolen2='videolen-by-filelist'
findmp4-to-playlist() {
#通过 find 命令查找mp4文件生成M3U播放列表，供 PotPlayer 使用;
#默认仅查找后缀名为.mp4的文件，列表顺序按文件名顺序进行排列；
#$1可指定要查找文件的根目录，默认为当前工作路径下查找；
#eg:
# findmp4-to-playlist|tee playlist.m3u
# findmp4-to-playlist >playlist.m3u
# findmp4-to-playlist /cygdrive/d/Temp/php/录制|tee playlist.m3u
local workPath="$PWD"
local noPwd=0
while [ $# -gt 0 ];
do
if [[ "${1,,}" == "--nopwd" ]];then
local noPwd=1
elif [ ! -z "$1" -a -d "$1" ];then
workPath="$1"
fi
shift
done
[ $noPwd -eq 1 ] && local WPWD="" || local WPWD="$(echo $workPath|cygpath -aw -f-)"
pushd "$workPath" &>/dev/null
find -type f -iname '*.mp4'|awk '{print "'${WPWD//\\/\\\\}'"$0}'
popd &>/dev/null
}
alias video-to-playlist='findmp4-to-playlist'
alias video-to-playlist-nopwd='findmp4-to-playlist --nopwd'
alias video-to-playlist2='findmp4-to-playlist --nopwd'
videolenfull-by-filelist() {
#通过指定的文件列表计算所有视频文件的时长，有别于`videolen-by-filelist`函数：本函数同时会格式化单个视频的时长（几小时几分钟）
_print_help() {
echo -e "videolenfull-by-filelist：\n\t通过指定的文件列表计算列表中所有视频文件的时长（格式：通常为txt文件，文件名或文件路径一行一个）；"
echo -e "\t支持从管道（标准输入）读取文件名列表;\n"
echo -e "Usage:"
echo -e "\tvideolenfull-by-filelist video~list~file"
echo -e "\tcommandline~to~pipeline|videolenfull-by-filelist\n"
echo -e "Example:"
echo -e "\tvideolenfull-by-filelist filelist.txt"
echo -e "\tfind -type f -iname '*.mp4'|videolenfull-by-filelist"
}
if [ $# -eq 0 -a -t 0 ]||[[ "$*" == "-h" || "$*" == "--help" ]];
then
_print_help && return
elif [ $# -eq 1 ];
then
[ ! -f "$1" ] && print_color 40 "指定的文件列表( $1 )不存在，请确认！" && return
fi
local fileList="$1"
OLD_IFS=$IFS
IFS=$(echo -e "\n")
local totalTime=0
local Hours
local Mintues
local Seconds
[ ! -t 0 ] && fileHandle=/dev/stdin || fileHandle="$fileList"
while read file;
do
local vTime=$(/v/bin/videolen "$file"|dos2unix -q)
[ -z "$vTime" ] && printf "0 <= %s \033[40;33m【文件无效或不是视频文件！】\033[0m\n" "$file" && continue #跳过非视频文件和无效的视频文件
totalTime=$(echo "${totalTime}+${vTime}"|dos2unix|bc)
#echo -e "$vTime <= $file"
_numCompare "$vTime" 3600
local HoursFlag=$?
_numCompare "$vTime" 60
local MintuesFlag=$?
if [ $HoursFlag -le 1 ];then #时长大于1小时的情况
Hours=$(echo "$vTime/3600"|bc)
#echo -e "小时数：$Hours"
Mintues=$(echo "($vTime-3600*$Hours)/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$vTime%60"|bc)
#echo -e "秒数：$Seconds"
elif [ $MintuesFlag -le 1 ];then #时长大于1分钟的情况
Mintues=$(echo "$vTime/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$vTime%60"|bc)
#echo -e "秒数：$Seconds"
fi
if [ ! -z "$Mintues" ];then
[ ! -z "$Hours" ] && printf "%s 小时 " $Hours
[ ! -z "$Mintues" ] && printf "%s 分钟 " $Mintues
[ ! -z "$Seconds" ] && printf "%s 秒 " $Seconds
printf " <= %s" "$file"
printf "\n"
fi
done <$fileHandle
_numCompare "$totalTime" 3600
local HoursFlag=$?
_numCompare "$totalTime" 60
local MintuesFlag=$?
if [ $HoursFlag -le 1 ];then #时长大于1小时的情况
Hours=$(echo "$totalTime/3600"|bc)
#echo -e "小时数：$Hours"
Mintues=$(echo "($totalTime-3600*$Hours)/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$totalTime%60"|bc)
#echo -e "秒数：$Seconds"
elif [ $MintuesFlag -le 1 ];then #时长大于1分钟的情况
Mintues=$(echo "$totalTime/60"|bc)
#echo -e "分钟数：$Mintues"
Seconds=$(echo "$totalTime%60"|bc)
#echo -e "秒数：$Seconds"
fi
echo "====================================================="
echo "总时间：$totalTime 秒"
if [ ! -z "$Mintues" ];then
printf "合计："
[ ! -z "$Hours" ] && printf "%s 小时 " $Hours
[ ! -z "$Mintues" ] && printf "%s 分钟 " $Mintues
[ ! -z "$Seconds" ] && printf "%s 秒 " $Seconds
printf "\n"
fi
IFS=$OLD_IFS
}
videolenfull() {
#调用 videolenfull-by-filelist 计算单个视频的时长（完整模式：格式化为小时数、分钟数）和统计多个视频的时长
if [ ! -t 0 ];then
videolenfull-by-filelist </dev/stdin
else
if [ $# -gt 1 ];then
#echo "多个参数处理流程..."
#videolenfull-by-filelist <<<"$@"
#See Also：https://stackoverflow.com/questions/1527049/how-can-i-join-elements-of-a-bash-array-into-a-delimited-string
local _list=$(IFS=$'\n'; echo "$*")
videolenfull-by-filelist <<<"$_list"
else
if [ ! -f "$1" ] && [[ "${1,,}" =~ ^- ]];then
videolenfull-by-filelist "$@"
elif [[ "${1,,}" =~ \.txt$ || "${1,,}" =~ \.log$ ]];then
videolenfull-by-filelist "$@"
else
videolenfull-by-filelist <<<"$@"
fi
fi
fi
}