def _test_conversion(self, format_name: str, inputs, outputs):
pf = Dictionary.get_proxy(format_name)
for input, output in zip(inputs, outputs):
packed = np.frombuffer(input, dtype=np.uint8)
unpacked_elements = pf.expand(packed)
self.assertEqual(len(outputs), unpacked_elements.size)
for i, element in enumerate(unpacked_elements):
self.assertEqual(output[i], element)
def _test_issue_146_packed_12(self):
_1st = 0xff
_3rd = 0xff
ba = bytes([_1st, 0xff, _3rd])
packed = np.frombuffer(ba, dtype=np.uint8)
pf = Dictionary.get_proxy('Mono12p')
unpacked = pf.expand(packed)
self.assertEqual(0xf * 256 + _1st, unpacked[0])
self.assertEqual(_3rd * 16 + 0xf, unpacked[1])
def _test_issue_146_packed_10(self):
element = 0xff
ba = bytes([element, element, element, element])
packed = np.frombuffer(ba, dtype=np.uint8)
pf = Dictionary.get_proxy('Mono10p')
unpacked = pf.expand(packed)
self.assertEqual(0x3ff, unpacked[0])
self.assertEqual(0x3ff, unpacked[1])
self.assertEqual(0x7ff, unpacked[2])
def _test_issue_146_group_packed_12(self):
_1st = 0xff
_3rd = 0xff
ba = bytes([_1st, 0xff, _3rd])
packed = np.frombuffer(ba, dtype=np.uint8)
pf = Dictionary.get_proxy('BayerRG12Packed')
unpacked = pf.expand(packed)
self.assertEqual(_1st * 16 + 0xf, unpacked[0])
self.assertEqual(_3rd * 16 + 0xf, unpacked[1])
def _test_issue_146_mono_unpacked_multibytes(self):
names = ['Mono10', 'Mono12']
maximums = [0x4, 0x10]
for index, name in enumerate(names):
pf = Dictionary.get_proxy(name)
for i in range(maximums[index]):
for j in range(0x100):
ba = bytes([j, i, j, i])
packed = np.frombuffer(ba, dtype=np.uint8)
unpacked = pf.expand(packed)
# We know it's redundant but check 10 times:
for l in range(10):
for k in range(2):
self.assertEqual((i << 8) + j, unpacked[k])
