bvec encode(Convolutional_Code& nsc, int constraint_length, const bvec& encoder_input, int blockSize, bool verbose)
{
if (verbose) {cout << "input : " << encoder_input << endl;}
int codedLen = 2 * (blockSize + (constraint_length - 1));
int nBlocks = encoder_input.length() / blockSize;
ivec window(blockSize);
for (int j = 0; j < blockSize; j++) {
window[j] = j;
}
bvec nsc_coded_bits(codedLen);
bvec tr_coded_bits;
for (int j = 0; j < nBlocks; j++) {
nsc.encode_tail(encoder_input(window), nsc_coded_bits);
window = window + blockSize;
tr_coded_bits = concat(tr_coded_bits, nsc_coded_bits);
}
// Deal with residual sources if remainder exsists
if (nBlocks*blockSize != encoder_input.length()) {
bvec residual_bits = encoder_input.get(nBlocks*blockSize, encoder_input.length()-1);
nsc.encode_tail(residual_bits, nsc_coded_bits);
tr_coded_bits = concat(tr_coded_bits, nsc_coded_bits);
}
if (verbose) {cout << "encoder output: " << tr_coded_bits << endl;}
return tr_coded_bits;
}
