def __init__(self): self.error = None cdaudio = cdrom.open() print "CD: ", cdaudio try: first, last = cdrom.toc_header(cdaudio) print "toc_header: ", first, last self.is_audio_cd = True except: print "No CD" disc_id = None self.is_audio_cd = False raise # Legge la TOC del disco if self.is_audio_cd: frames = [] for i in range(first, last + 1): print cdrom.toc_entry(cdaudio, i) (m, s, frame) = cdrom.toc_entry(cdaudio, i) frames.append(m*60*75 + s*75 + frame) m, s, frame = cdrom.leadout(cdaudio) frames.append(m*60*75 + s*75 + frame) # Ordina i dati della TOC nel formato adatto a MusicBrainz self.__MB_full_toc = [first, last, frames[-1]] + frames[:-1] # Numero di tracce self.__num_tracks = last cdaudio.close()
def isDisc(self, device):
type = None
if DiscInfo.isDisc(self, device) != 2:
return 0
# brute force reading of the device to find out if it is a VCD
f = open(device,'rb')
f.seek(32768, 0)
buffer = f.read(60000)
f.close()
if buffer.find('SVCD') > 0 and buffer.find('TRACKS.SVD') > 0 and \
buffer.find('ENTRIES.SVD') > 0:
type = 'SVCD'
elif buffer.find('INFO.VCD') > 0 and buffer.find('ENTRIES.VCD') > 0:
type = 'VCD'
else:
return 0
# read the tracks to generate the title list
device = open(device)
(first, last) = cdrom.toc_header(device)
lmin = 0
lsec = 0
num = 0
for i in range(first, last + 2):
if i == last + 1:
min, sec, frames = cdrom.leadout(device)
else:
min, sec, frames = cdrom.toc_entry(device, i)
if num:
vi = mediainfo.VideoInfo()
# XXX add more static information here, it's also possible
# XXX to scan for more informations like fps
# XXX Settings to MPEG1/2 is a wild guess, maybe the track
# XXX isn't playable at all (e.g. the menu)
if type == 'VCD':
vi.codec = 'MPEG1'
else:
vi.codec = 'MPEG2'
vi.length = (min-lmin) * 60 + (sec-lsec)
self.tracks.append(vi)
num += 1
lmin, lsec = min, sec
device.close()
return 1
def isDisc(self, device):
type = None
if DiscInfo.isDisc(self, device) != 2:
return 0
# brute force reading of the device to find out if it is a VCD
f = open(device, 'rb')
f.seek(32768, 0)
buffer = f.read(60000)
f.close()
if buffer.find('SVCD') > 0 and buffer.find('TRACKS.SVD') > 0 and \
buffer.find('ENTRIES.SVD') > 0:
type = 'SVCD'
elif buffer.find('INFO.VCD') > 0 and buffer.find('ENTRIES.VCD') > 0:
type = 'VCD'
else:
return 0
# read the tracks to generate the title list
device = open(device)
(first, last) = cdrom.toc_header(device)
lmin = 0
lsec = 0
num = 0
for i in range(first, last + 2):
if i == last + 1:
min, sec, frames = cdrom.leadout(device)
else:
min, sec, frames = cdrom.toc_entry(device, i)
if num:
vi = mediainfo.VideoInfo()
# XXX add more static information here, it's also possible
# XXX to scan for more informations like fps
# XXX Settings to MPEG1/2 is a wild guess, maybe the track
# XXX isn't playable at all (e.g. the menu)
if type == 'VCD':
vi.codec = 'MPEG1'
else:
vi.codec = 'MPEG2'
vi.length = (min - lmin) * 60 + (sec - lsec)
self.tracks.append(vi)
num += 1
lmin, lsec = min, sec
device.close()
return 1
def disc_id(device):
(first, last) = cdrom.toc_header(device)
track_frames = []
checksum = 0
for i in range(first, last + 1):
(min, sec, frame) = cdrom.toc_entry(device, i)
checksum = checksum + cddb_sum(min * 60 + sec)
track_frames.append(min * 60 * 75 + sec * 75 + frame)
(min, sec, frame) = cdrom.leadout(device)
track_frames.append(min * 60 * 75 + sec * 75 + frame)
total_time = (track_frames[-1] / 75) - (track_frames[0] / 75)
discid = ((checksum % 0xff) << 24 | total_time << 8 | last)
return [discid, last] + track_frames[:-1] + [track_frames[-1] / 75]
def disc_id(device):
device = cdrom.open(device)
(first, last) = cdrom.toc_header(device)
track_frames = []
checksum = 0
for i in range(first, last + 1):
(min, sec, frame) = cdrom.toc_entry(device, i)
checksum = checksum + cddb_sum(min*60 + sec)
track_frames.append(min*60*75 + sec*75 + frame)
(min, sec, frame) = cdrom.leadout(device)
track_frames.append(min*60*75 + sec*75 + frame)
total_time = (track_frames[-1] / 75) - (track_frames[0] / 75)
discid = ((long(checksum) % 0xff) << 24 | total_time << 8 | last)
cdrom.close(device)
return [discid, last] + track_frames[:-1] + [ track_frames[-1] / 75 ]
(first, num_tracks) = cdrom.toc_header(device)
except:
print("no medium found")
sys.exit(-1)
track_length = [] # track_length in seconds
track_limits = []
track_prefix = []
track_title = []
disk_title = []
for i in range(num_tracks):
(min, sec, frame) = cdrom.toc_entry(device, i + 1)
track_limits.append(60 * min + sec + frame / 75.)
(min, sec, frame) = cdrom.leadout(device)
track_limits.append(60 * min + sec + frame / 75.)
for i in range(num_tracks):
track_length.append(track_limits[i + 1] - track_limits[i])
track_prefix.append("%02d. " % (i + 1))
track_title.append(track_prefix[i] + default_track_name)
status2 = 0
disc_id = DiscID.disc_id(device)
cddb_id = hex(disc_id[0])[2:] # magic id string
# looks for cd in local database
cddb_fullpath = cddb_path + cddb_id
cddb_local = False
if os.path.exists(cddb_fullpath):
def isDisc(self, device):
if discinfo.DiscInfo.isDisc(self, device) != 1:
return 0
disc_id = DiscID.disc_id(device)
if mmpython.USE_NETWORK:
try:
(query_stat, query_info) = CDDB.query(disc_id)
except:
# Oops no connection
query_stat = 404
else:
query_stat = 404
if query_stat == 210 or query_stat == 211:
# set this to success
query_stat = 200
for i in query_info:
if i['title'] != i['title'].upper():
query_info = i
break
else:
query_info = query_info[0]
elif query_stat != 200:
_debug("failure getting disc info, status %i" % query_stat)
if query_stat == 200:
qi = query_info['title'].split('/')
self.artist = qi[0].strip()
self.title = qi[1].strip()
for type in ('title', 'artist'):
if getattr(self, type) and getattr(self, type)[0] in ('"', '\'') \
and getattr(self, type)[-1] in ('"', '\''):
setattr(self, type, getattr(self, type)[1:-1])
(read_stat, read_info) = CDDB.read(query_info['category'],
query_info['disc_id'])
# id = disc_id + number of tracks
#self.id = '%s_%s' % (query_info['disc_id'], disc_id[1])
if read_stat == 210:
for i in range(0, disc_id[1]):
mi = mediainfo.MusicInfo()
mi.title = read_info['TTITLE' + `i`]
mi.album = self.title
mi.artist = self.artist
mi.genre = query_info['category']
mi.codec = 'PCM'
mi.samplerate = 44.1
mi.trackno = i+1
mi.trackof = disc_id[1]
self.tracks.append(mi)
for type in ('title', 'album', 'artist', 'genre'):
if getattr(mi, type) and getattr(mi, type)[0] in ('"', '\'') \
and getattr(mi, type)[-1] in ('"', '\''):
setattr(mi, type, getattr(mi, type)[1:-1])
else:
_debug("failure getting track info, status: %i" % read_stat)
# set query_stat to somthing != 200
query_stat = 400
if query_stat != 200:
_debug("failure getting disc info, status %i" % query_stat)
self.no_caching = 1
for i in range(0, disc_id[1]):
mi = mediainfo.MusicInfo()
mi.title = 'Track %s' % (i+1)
mi.codec = 'PCM'
mi.samplerate = 44.1
mi.trackno = i+1
mi.trackof = disc_id[1]
self.tracks.append(mi)
# read the tracks to generate the title list
device = open(device)
(first, last) = cdrom.toc_header(device)
lmin = 0
lsec = 0
num = 0
for i in range(first, last + 2):
if i == last + 1:
min, sec, frames = cdrom.leadout(device)
else:
min, sec, frames = cdrom.toc_entry(device, i)
if num:
self.tracks[num-1].length = (min-lmin)*60 + (sec-lsec)
num += 1
lmin, lsec = min, sec
device.close()
# correct bad titles for the tracks, containing also the artist
for t in self.tracks:
if not self.artist or not t.title.startswith(self.artist):
break
else:
for t in self.tracks:
t.title = t.title[len(self.artist):].lstrip('/ \t-_')
# correct bad titles for the tracks, containing also the title
for t in self.tracks:
if not self.title or not t.title.startswith(self.title):
break
else:
for t in self.tracks:
t.title = t.title[len(self.title):].lstrip('/ \t-_')
return 1