Files
headphones/headphones/encode.py
2011-08-22 16:13:23 -03:00

123 lines
4.2 KiB
Python

import os
import headphones
import shutil
import time
from subprocess import call
from headphones import logger
from lib.beets.mediafile import MediaFile
try:
import argparse
except ImportError:
import lib.argparse as argparse
def encode(albumPath):
tempDirEncode=os.path.join(albumPath,"temp")
musicFiles=[]
musicFinalFiles=[]
musicTempFiles=[]
encoder =""
startAlbumTime=time.clock()
ifencoded=0
if not os.path.exists(tempDirEncode):
os.mkdir(tempDirEncode)
else:
shutil.rmtree(tempDirEncode)
time.sleep(1)
os.mkdir(tempDirEncode)
for r,d,f in os.walk(albumPath):
for music in f:
if any(music.endswith('.' + x) for x in headphones.MEDIA_FORMATS):
musicFiles.append(os.path.join(r, music))
musicTemp = os.path.normpath(os.path.splitext(music)[0]+'.'+headphones.ENCODEROUTPUTFORMAT).encode(headphones.SYS_ENCODING)
musicTempFiles.append(os.path.join(tempDirEncode, musicTemp))
if headphones.ENCODER=='lame':
encoder=os.path.join(headphones.ENCODERFOLDER,'lame')
elif headphones.ENCODER=='ffmpeg':
encoder=os.path.join(headphones.ENCODERFOLDER,'ffmpeg')
i=0
for music in musicFiles:
infoMusic=MediaFile(music)
if headphones.ENCODER == 'lame':
if not any(music.endswith('.' +headphones.ENCODEROUTPUTFORMAT) for x in ["mp3", "wav"]):
logger.warn('Lame cant encode "%s" format for "%s", use ffmpeg' % (os.path.splitext(music)[1],music))
else:
if (music.endswith('.mp3') and (infoMusic.bitrate/1000<=headphones.BITRATE)):
logger.warn('Music "%s" has bitrate<="%skbit" will not be reencoded' % (music,headphones.BITRATE))
else:
command(encoder,music,musicTempFiles[i],albumPath)
ifencoded=1
else:
if headphones.ENCODEROUTPUTFORMAT=='ogg':
if music.endswith('.ogg'):
logger.warn('Can not reencode .ogg music "%s"' % (music))
else:
command(encoder,music,musicTempFiles[i],albumPath)
ifencoded=1
elif (headphones.ENCODEROUTPUTFORMAT=='mp3' or headphones.ENCODEROUTPUTFORMAT=='m4a'):
if (music.endswith('.'+headphones.ENCODEROUTPUTFORMAT) and (infoMusic.bitrate/1000<=headphones.BITRATE)):
logger.warn('Music "%s" has bitrate<="%skbit" will not be reencoded' % (music,headphones.BITRATE))
else:
command(encoder,music,musicTempFiles[i],albumPath)
ifencoded=1
i=i+1
shutil.rmtree(tempDirEncode)
time.sleep(1)
for r,d,f in os.walk(albumPath):
for music in f:
if any(music.endswith('.' + x) for x in headphones.MEDIA_FORMATS):
musicFinalFiles.append(os.path.join(r, music))
if ifencoded==0:
logger.info('Encoding for folder "%s" is not needed' % (albumPath))
else:
logger.info('Encoding for folder "%s" is completed in %s' % (albumPath,getTimeEncode(startAlbumTime)))
return musicFinalFiles
def command(encoder,musicSource,musicDest,albumPath):
return_code=1
cmd=''
startMusicTime=time.clock()
if headphones.ENCODER == 'lame':
cmd=encoder + ' -h'
if headphones.ENCODERVBRCBR=='cbr':
cmd=cmd+ ' --resample ' + str(headphones.SAMPLINGFREQUENCY) + ' -b ' + str(headphones.BITRATE)
elif headphones.ENCODERVBRCBR=='vbr':
cmd=cmd+''
cmd=cmd+ ' ' + headphones.ADVANCEDENCODER
cmd=cmd+ ' "' + musicSource + '"'
cmd=cmd+ ' "' + musicDest +'"'
elif headphones.ENCODER == 'ffmpeg':
cmd=encoder+ ' -i'
cmd=cmd+ ' "' + musicSource + '"'
if headphones.ENCODEROUTPUTFORMAT=='ogg':
cmd=cmd+ ' -acodec libvorbis'
if headphones.ENCODEROUTPUTFORMAT=='m4a':
cmd=cmd+ ' -strict experimental'
if headphones.ENCODERVBRCBR=='cbr':
cmd=cmd+ ' -ar ' + str(headphones.SAMPLINGFREQUENCY) + ' -ab ' + str(headphones.BITRATE) + 'k'
elif headphones.ENCODERVBRCBR=='vbr':
cmd=cmd+''
cmd=cmd+ ' -y -ac 2 -map_metadata 0:0,s0 -vn'
cmd=cmd+ ' ' + headphones.ADVANCEDENCODER
cmd=cmd+ ' "' + musicDest + '"'
return_code = call(cmd, shell=True)
if (return_code==0) and (os.path.exists(musicDest)):
os.remove(musicSource)
shutil.move(musicDest,albumPath)
logger.info('Music "%s" encoded in %s' % (musicSource,getTimeEncode(startMusicTime)))
def getTimeEncode(start):
seconds =int(time.clock()-start)
hours = seconds / 3600
seconds -= 3600*hours
minutes = seconds / 60
seconds -= 60*minutes
return "%02d:%02d:%02d" % (hours, minutes, seconds)