def avinfo(filename, cached=True):
if cached:
return cache(filename, 'info')
if os.path.getsize(filename):
ffmpeg2theora = cmd('ffmpeg2theora')
p = subprocess.Popen([ffmpeg2theora], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
info, error = p.communicate()
version = info.split('\n')[0].split(' - ')[0].split(' ')[-1]
if version < '0.27':
raise EnvironmentError('version of ffmpeg2theora needs to be 0.27 or later, found %s' % version)
p = subprocess.Popen([ffmpeg2theora, '--info', filename],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
info, error = p.communicate()
try:
info = json.loads(info)
except:
#remove metadata, can be broken
reg = re.compile('"metadata": {.*?},', re.DOTALL)
info = re.sub(reg, '', info)
info = json.loads(info)
if 'video' in info:
for v in info['video']:
if not 'display_aspect_ratio' in v and 'width' in v:
v['display_aspect_ratio'] = '%d:%d' % (v['width'], v['height'])
v['pixel_aspect_ratio'] = '1:1'
return info
return {'path': filename, 'size': 0}
def oshash(filename, cached=True):
if cached:
return cache(filename, 'oshash')
try:
longlongformat = 'q' # long long
bytesize = struct.calcsize(longlongformat)
f = open(filename, "rb")
filesize = os.path.getsize(filename)
hash = filesize
if filesize < 65536:
for x in range(int(filesize/bytesize)):
buffer = f.read(bytesize)
(l_value,)= struct.unpack(longlongformat, buffer)
hash += l_value
hash = hash & 0xFFFFFFFFFFFFFFFF #to remain as 64bit number
else:
for x in range(int(65536/bytesize)):
buffer = f.read(bytesize)
(l_value,)= struct.unpack(longlongformat, buffer)
hash += l_value
hash = hash & 0xFFFFFFFFFFFFFFFF #to remain as 64bit number
f.seek(max(0,filesize-65536),0)
for x in range(int(65536/bytesize)):
buffer = f.read(bytesize)
(l_value,)= struct.unpack(longlongformat, buffer)
hash += l_value
hash = hash & 0xFFFFFFFFFFFFFFFF
f.close()
returnedhash = "%016x" % hash
return returnedhash
except(IOError):
return "IOError"
def avinfo(filename, cached=True):
if cached:
return cache(filename, 'info')
if os.path.getsize(filename):
#ffmpeg2theora = cmd('ffmpeg2theora')
identify = cmd('adef_identify')
'''p = subprocess.Popen([ffmpeg2theora], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
info, error = p.communicate()
version = info.split('\n')[0].split(' - ')[0].split(' ')[-1]
if version < '0.27':
raise EnvironmentError('version of ffmpeg2theora needs to be 0.27 or later, found %s' % version)'''
'''p = subprocess.Popen([ffmpeg2theora, '--info', filename],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)'''
p = subprocess.Popen([identify, filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
info, error = p.communicate()
try:
info = json.loads(info)
except:
#remove metadata, can be broken
reg = re.compile('"metadata": {.*?},', re.DOTALL)
info = re.sub(reg, '', info)
#wafaa commented following line and added strict false to get rid of the JSONDecodeError: Invalid control characters
#info = json.loads(info)
info = json.loads(info, strict=False)
#wafaa
if 'image' in info:
for v in info['image']:
if not 'display_aspect_ratio' in v and 'width' in v:
v['display_aspect_ratio'] = '%d:%d' % (v['width'], v['height'])
v['pixel_aspect_ratio'] = '1:1'
return info
return {'path': filename, 'size': 0}
def sha1sum(filename, cached=False):
if cached:
return cache(filename, 'sha1')
sha1 = hashlib.sha1()
with open(filename) as f:
for chunk in iter(lambda: f.read(128*sha1.block_size), ''):
sha1.update(chunk)
return sha1.hexdigest()
