linux终端播放音乐歌词同步显示

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#!/usr/bin/python
# -*- coding: utf-8 -*-
#=========================================
# Filename : music.py
# Filetype : Python
# Author   : Colben
# Create   : 2015-06-30 22:17:15
#=========================================

import sys,os,time,subprocess,re,chardet

def load_lrc(lrc_file):
    try:
        lrc_contains = open(lrc_file,'rb').read()
        encoding = chardet.detect(lrc_contains)['encoding']
        if 'utf-8' != encoding:
            lrc_contains = lrc_contains.decode(encoding).encode('utf-8')
    except Exception,e:
        print '33[4;0H33[KtNo lrc or in encoding found'
        return {}
    lrc = {}
    for eachline in re.split(r'n',lrc_contains):
        line = re.split(r']',eachline)
        if 1 < len(line):
            for tm in line[0:-1]:
                try:
                    time = re.match(r'(dd)s*:s*(dd)',tm.strip(' [')).groups()
                    pos = 60*int(time[0]) + int(time[1])
                    lrc[pos] = line[-1]
                except Exception,e:
                    #print '33[4;0H33[KtLrc fromat error'
                    #lrc_fp.close()
                    #return {}
                    pass
    #lrc_fp.close()
    return lrc

def main(song):
    print '33[2J33[2;0HtPlaying %s ...'%song[:60]
    p = subprocess.Popen('mplayer %s 2>/dev/null'%song,stdout = subprocess.PIPE,shell = True)

    while True:
        match = re.match(r'A:.*[d:.()]* of (d+)',p.stdout.read(30))
        if None != p.poll():
            print '33[9;0HtFailed to recognize file format .'
            return 1
        if not match:
            output = p.stdout.readline()
        else:
            tot_time = int(match.group(1)) - 1
            for jump in range(1,10):
                if 70 >= tot_time/jump:
                    break
            #print '33[15;0Httotal time: %d'%tot_time
            break
    print '33[?25l'
    lrc = load_lrc(os.path.splitext(song)[0] + '.lrc')
    while True:
        cur_char = p.stdout.read(1)
        if 'A' == cur_char:
            try:
                cur_time = int(p.stdout.read(5)[1:])
                print '33[6;0H33[KtCurrent %d / Total %d'%(cur_time,tot_time)
                print '33[1;0H','-'*(tot_time/jump)
                print '33[1;0H','='*(cur_time/jump)
                print '33[7;0H','-'*(tot_time/jump)
                print '33[7;0H','='*(cur_time/jump)
                if tot_time <= cur_time:
                    print '33[8;0H33[Ktquit'
                    break
                print '33[4;0H33[Kt%s'%lrc[cur_time]
            except Exception,e:
                #print '33[17;0HtERROR:',e
                pass
        elif 'E' == cur_char:
            print '33[8;0H33[Ktquit'
            break

    p.wait()
    print '33[10;0H33[?25h'
    return 0

if '__main__' == __name__:
    if 2 != len(sys.argv) or not os.path.isfile(sys.argv[1]):
        print 'nUsage:',sys.argv[0],'{exist music filename}n'
    else:
        main(sys.argv[1])

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