def test_int(self):
self.failUnlessEqual(cdata.int_le(self.ZERO(4)), 0)
self.failUnlessEqual(cdata.int_le(self.LEONE(4)), 1)
self.failUnlessEqual(cdata.int_le(self.BEONE(4)), 2 ** 32 >> 8)
self.failUnlessEqual(cdata.int_le(self.NEGONE(4)), -1)
self.assertTrue(cdata.int_le is cdata.int32_le)
self.failUnlessEqual(cdata.int_be(self.ZERO(4)), 0)
self.failUnlessEqual(cdata.int_be(self.LEONE(4)), 2 ** 32 >> 8)
self.failUnlessEqual(cdata.int_be(self.BEONE(4)), 1)
self.failUnlessEqual(cdata.int_be(self.NEGONE(4)), -1)
self.assertTrue(cdata.int_be is cdata.int32_be)
def test_int(self):
self.failUnlessEqual(cdata.int_le(self.ZERO(4)), 0)
self.failUnlessEqual(cdata.int_le(self.LEONE(4)), 1)
self.failUnlessEqual(cdata.int_le(self.BEONE(4)), 2**32 >> 8)
self.failUnlessEqual(cdata.int_le(self.NEGONE(4)), -1)
self.assertTrue(cdata.int_le is cdata.int32_le)
self.failUnlessEqual(cdata.int_be(self.ZERO(4)), 0)
self.failUnlessEqual(cdata.int_be(self.LEONE(4)), 2**32 >> 8)
self.failUnlessEqual(cdata.int_be(self.BEONE(4)), 1)
self.failUnlessEqual(cdata.int_be(self.NEGONE(4)), -1)
self.assertTrue(cdata.int_be is cdata.int32_be)
def __init__(self, fileobj, offset):
fileobj.seek(offset or 0)
header = fileobj.read(18)
if len(header) != 18 or not header.startswith(b"TTA"):
raise TrueAudioHeaderError("TTA header not found")
self.sample_rate = cdata.int_le(header[10:14])
samples = cdata.uint_le(header[14:18])
self.length = float(samples) / self.sample_rate
def __init__(self, fileobj, offset):
fileobj.seek(offset or 0)
header = fileobj.read(18)
if len(header) != 18 or not header.startswith("TTA"):
raise TrueAudioHeaderError("TTA header not found")
self.sample_rate = cdata.int_le(header[10:14])
samples = cdata.uint_le(header[14:18])
self.length = float(samples) / self.sample_rate
def __init__(self, fileobj):
page = OggPage(fileobj)
while not page.packets[0].startswith(b"Speex "):
page = OggPage(fileobj)
if not page.first:
raise OggSpeexHeaderError(
"page has ID header, but doesn't start a stream")
self.sample_rate = cdata.uint_le(page.packets[0][36:40])
self.channels = cdata.uint_le(page.packets[0][48:52])
self.bitrate = max(0, cdata.int_le(page.packets[0][52:56]))
self.serial = page.serial
def __init__(self, fileobj):
page = OggPage(fileobj)
while not page.packets[0].startswith(b"Speex "):
page = OggPage(fileobj)
if not page.first:
raise OggSpeexHeaderError(
"page has ID header, but doesn't start a stream")
self.sample_rate = cdata.uint_le(page.packets[0][36:40])
self.channels = cdata.uint_le(page.packets[0][48:52])
self.bitrate = max(0, cdata.int_le(page.packets[0][52:56]))
self.serial = page.serial
def test_int_le(self):
self.failUnlessEqual(cdata.int_le(self.ZERO), 0)
self.failUnlessEqual(cdata.int_le(self.LEONE), 1)
self.failUnlessEqual(cdata.int_le(self.BEONE), 16777216)
self.failUnlessEqual(cdata.int_le(self.NEGONE), -1)
def test_int_le(self):
self.failUnlessEqual(cdata.int_le(self.ZERO), 0)
self.failUnlessEqual(cdata.int_le(self.LEONE), 1)
self.failUnlessEqual(cdata.int_le(self.BEONE), 16777216)
self.failUnlessEqual(cdata.int_le(self.NEGONE), -1)
