def test_ushort(self):
self.failUnlessEqual(cdata.ushort_le(self.ZERO(2)), 0)
self.failUnlessEqual(cdata.ushort_le(self.LEONE(2)), 1)
self.failUnlessEqual(cdata.ushort_le(self.BEONE(2)), 2 ** 16 >> 8)
self.failUnlessEqual(cdata.ushort_le(self.NEGONE(2)), 65535)
self.assertTrue(cdata.ushort_le is cdata.uint16_le)
self.failUnlessEqual(cdata.ushort_be(self.ZERO(2)), 0)
self.failUnlessEqual(cdata.ushort_be(self.LEONE(2)), 2 ** 16 >> 8)
self.failUnlessEqual(cdata.ushort_be(self.BEONE(2)), 1)
self.failUnlessEqual(cdata.ushort_be(self.NEGONE(2)), 65535)
self.assertTrue(cdata.ushort_be is cdata.uint16_be)
def test_ushort(self):
self.failUnlessEqual(cdata.ushort_le(self.ZERO(2)), 0)
self.failUnlessEqual(cdata.ushort_le(self.LEONE(2)), 1)
self.failUnlessEqual(cdata.ushort_le(self.BEONE(2)), 2**16 >> 8)
self.failUnlessEqual(cdata.ushort_le(self.NEGONE(2)), 65535)
self.assertTrue(cdata.ushort_le is cdata.uint16_le)
self.failUnlessEqual(cdata.ushort_be(self.ZERO(2)), 0)
self.failUnlessEqual(cdata.ushort_be(self.LEONE(2)), 2**16 >> 8)
self.failUnlessEqual(cdata.ushort_be(self.BEONE(2)), 1)
self.failUnlessEqual(cdata.ushort_be(self.NEGONE(2)), 65535)
self.assertTrue(cdata.ushort_be is cdata.uint16_be)
def __parse_tempo(self, atom, data):
values = []
for version, flags, data in self.__parse_data(atom, data):
# version = 0, flags = 0 or 21
if len(data) != 2:
raise MP4MetadataValueError("invalid tempo")
values.append(cdata.ushort_be(data))
key = _name2key(atom.name)
self.__add(key, values)
def __parse_tempo(self, atom, data):
values = []
for version, flags, data in self.__parse_data(atom, data):
# version = 0, flags = 0 or 21
if len(data) != 2:
raise MP4MetadataValueError("invalid tempo")
values.append(cdata.ushort_be(data))
key = _name2key(atom.name)
self.__add(key, values)
def __init__(self, fileobj):
page = OggPage(fileobj)
while not page.packets[0].startswith("\x80theora"):
page = OggPage(fileobj)
if not page.first:
raise OggTheoraHeaderError(
"page has ID header, but doesn't start a stream")
data = page.packets[0]
vmaj, vmin = struct.unpack("2B", data[7:9])
if (vmaj, vmin) != (3, 2):
raise OggTheoraHeaderError(
"found Theora version %d.%d != 3.2" % (vmaj, vmin))
fps_num, fps_den = struct.unpack(">2I", data[22:30])
self.fps = fps_num / float(fps_den)
self.bitrate = cdata.uint_be("\x00" + data[37:40])
self.granule_shift = (cdata.ushort_be(data[40:42]) >> 5) & 0x1F
self.serial = page.serial
def __init__(self, fileobj):
page = OggPage(fileobj)
while not page.packets[0].startswith(b"\x80theora"):
page = OggPage(fileobj)
if not page.first:
raise OggTheoraHeaderError(
"page has ID header, but doesn't start a stream")
data = page.packets[0]
vmaj, vmin = struct.unpack("2B", data[7:9])
if (vmaj, vmin) != (3, 2):
raise OggTheoraHeaderError(
"found Theora version %d.%d != 3.2" % (vmaj, vmin))
fps_num, fps_den = struct.unpack(">2I", data[22:30])
self.fps = fps_num / float(fps_den)
self.bitrate = cdata.uint_be(b"\x00" + data[37:40])
self.granule_shift = (cdata.ushort_be(data[40:42]) >> 5) & 0x1F
self.serial = page.serial
def __parse_tempo(self, atom, data):
self[atom.name] = [cdata.ushort_be(value[1]) for
value in self.__parse_data(atom, data)]
