def __init__(self, symbolSize, messageBytes, rsExpansionFactor):
logging.info('RS EXPANSION FACTOR %s' % rsExpansionFactor)
assert rsExpansionFactor > 1
self.width = symbolSize
self.messageSymbols = int(
math.ceil(float(messageBytes) * 8 / symbolSize))
self.encodedSize = int(
math.ceil(float(self.messageSymbols) * rsExpansionFactor))
self.c = IntegerCodec(self.encodedSize,
self.messageSymbols,
symsize=symbolSize)
self.extraSymbols = self.encodedSize - self.messageSymbols
self.n = 3
self.messageBytes = int(messageBytes)
self.encodedBits = math.ceil(
float(self.encodedSize) * self.width * self.n)
logging.info('ENCODED BITS %s' % self.encodedBits)
