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Ruud committed 2012-04-08 17:35:39 +02:00
1 parent 5321037f08
commit 148e1940ac
85 files changed
+4375 -3420
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libs/enzyme/flv.py
+17 -18
View File
@@ -1,7 +1,7 @@
# -*- coding: utf-8 -*-
# enzyme - Video metadata parser
# Copyright (C) 2011 Antoine Bertin <diaoulael@gmail.com>
# Copyright (C) 2003-2006 Dirk Meyer <dischi@freevo.org>
# Copyright 2011-2012 Antoine Bertin <diaoulael@gmail.com>
# Copyright 2003-2006 Dirk Meyer <dischi@freevo.org>
#
# This file is part of enzyme.
#
@@ -16,16 +16,15 @@
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
__all__ = ['Parser']
from exceptions import *
# along with enzyme. If not, see <http://www.gnu.org/licenses/>.
from exceptions import ParseError
import core
import logging
import struct
__all__ = ['Parser']
# get logging object
log = logging.getLogger(__name__)
@@ -44,7 +43,7 @@ FLV_AUDIO_CODECID = (0x0001, 0x0002, 0x0055, 0x0001)
# video flags
FLV_VIDEO_CODECID_MASK = 0x0f
FLV_VIDEO_CODECID = ( 'FLV1', 'MSS1', 'VP60') # wild guess
FLV_VIDEO_CODECID = ('FLV1', 'MSS1', 'VP60') # wild guess
FLV_DATA_TYPE_NUMBER = 0x00
FLV_DATA_TYPE_BOOL = 0x01
@@ -70,7 +69,7 @@ class FlashVideo(core.AVContainer):
"""
table_mapping = { 'FLVINFO' : FLVINFO }
def __init__(self,file):
def __init__(self, file):
core.AVContainer.__init__(self)
self.mime = 'video/flv'
self.type = 'Flash Video'
@@ -78,7 +77,7 @@ class FlashVideo(core.AVContainer):
if len(data) < 13 or struct.unpack('>3sBBII', data)[0] != 'FLV':
raise ParseError()
for i in range(10):
for _ in range(10):
if self.audio and self.video:
break
data = file.read(11)
@@ -116,13 +115,13 @@ class FlashVideo(core.AVContainer):
file.seek(size - 1, 1)
elif chunk[0] == FLV_TAG_TYPE_META:
log.info('metadata %s', str(chunk))
log.info(u'metadata %r', str(chunk))
metadata = file.read(size)
try:
while metadata:
length, value = self._parse_value(metadata)
if isinstance(value, dict):
log.info('metadata: %s', value)
log.info(u'metadata: %r', value)
if value.get('creator'):
self.copyright = value.get('creator')
if value.get('width'):
@@ -139,7 +138,7 @@ class FlashVideo(core.AVContainer):
except (IndexError, struct.error, TypeError):
pass
else:
log.info('unkown %s', str(chunk))
log.info(u'unkown %r', str(chunk))
file.seek(size, 1)
file.seek(4, 1)
@@ -157,16 +156,16 @@ class FlashVideo(core.AVContainer):
if ord(data[0]) == FLV_DATA_TYPE_STRING:
length = (ord(data[1]) << 8) + ord(data[2])
return length + 3, data[3:length+3]
return length + 3, data[3:length + 3]
if ord(data[0]) == FLV_DATA_TYPE_ECMARRAY:
init_length = len(data)
num = struct.unpack('>I', data[1:5])[0]
data = data[5:]
result = {}
for i in range(num):
for _ in range(num):
length = (ord(data[0]) << 8) + ord(data[1])
key = data[2:length+2]
key = data[2:length + 2]
data = data[length + 2:]
length, value = self._parse_value(data)
if not length:
@@ -175,7 +174,7 @@ class FlashVideo(core.AVContainer):
data = data[length:]
return init_length - len(data), result
log.info('unknown code: %x. Stop metadata parser', ord(data[0]))
log.info(u'unknown code: %x. Stop metadata parser', ord(data[0]))
return 0, None