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Fix pack14 #93

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Fix pack14 #93

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37 changes: 22 additions & 15 deletions src/pidng/packing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,18 +20,25 @@ def pack12(data : np.ndarray) -> np.ndarray:
out[:, 2::3] = data[:, 1::2] & 0b0000001111111111
return out

def pack14(data : np.ndarray) -> np.ndarray:
out = np.zeros((data.shape[0], int(data.shape[1]*(1.75))), dtype=np.uint8)
out[:, ::7] = data[:, ::6] >> 6
out[:, 1::7] = ((data[:, ::6] & 0b0000000000000011) << 6)
out[:, 1::7] += data[:, 1::6] >> 8
out[:, 2::7] = ((data[:, 1::6] & 0b0000000000001111) << 4)
out[:, 2::7] += data[:, 2::6] >> 6
out[:, 3::7] = ((data[:, 2::6] & 0b0000000000111111) << 2)
out[:, 3::7] += data[:, 3::6] >> 8
out[:, 4::7] = ((data[:, 3::6] & 0b0000000000001111) << 4)
out[:, 4::7] += data[:, 4::6] >> 6
out[:, 5::7] = ((data[:, 4::6] & 0b0000000000111111) << 2)
out[:, 5::7] += data[:, 5::6] >> 8
out[:, 6::7] = data[:, 5::6] & 0b0000000011111111
return out

def pack14(data: np.ndarray) -> np.ndarray:
out = np.zeros((data.shape[0], int(data.shape[1] * 1.75)), dtype=np.uint8)

out[:, ::7] = data[:, ::4] >> 6

out[:, 1::7] = ((data[:, ::4] & 0b0000000000111111) << 2)
out[:, 1::7] += data[:, 1::4] >> 12

out[:, 2::7] = ((data[:, 1::4] & 0b0000111111110000) >> 4)

out[:, 3::7] = ((data[:, 1::4] & 0b0000000000001111) << 4)
out[:, 3::7] += data[:, 2::4] >> 10

out[:, 4::7] = ((data[:, 2::4] & 0b0000001111111100) >> 2)

out[:, 5::7] = ((data[:, 2::4] & 0b0000000000000011) << 6)
out[:, 5::7] += data[:, 3::4] >> 8

out[:, 6::7] = data[:, 3::4] & 0b0000000011111111

return out