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now we can try more combinations on first symbol

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This commit is contained in:
Ahmet Inan 2025-07-13 08:40:51 +02:00
commit 4b12986dc0
2 changed files with 7 additions and 7 deletions
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10
decode.cc
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@ -232,12 +232,12 @@ struct Decoder : Common
meta[i] = clamp(std::nearbyint(127 * demod_or_erase(fdom[bin(i*block_length+first_meta+tone_off)], chan[i*block_length+first_meta]).real() * nrz(seq1())));
seq1();
}
int mode = hadamard_decoder(meta);
if (mode < 0 || mode > 7) {
std::cerr << "operation mode " << mode << " unsupported." << std::endl;
int meta_data = hadamard_decoder(meta);
if (meta_data < 0) {
std::cerr << "meta data damaged" << std::endl;
continue;
}
setup(mode);
setup(meta_data >> 3);
std::cerr << "oper mode: " << oper_mode << std::endl;
if (oper_mode >= 3) {
for (int i = 0; i < tone_count; ++i)
@ -319,7 +319,7 @@ struct Decoder : Common
chan[i] = DSP::lerp(chan[i], tone[i], value(0.5));
}
CODE::XorShiftMask<int, 14, 1, 5, 10, 1> combination;
int trial = j ? (meta_data << 6) | seed_data : seed_data;
int trial = j ? (meta_data << 6) | seed_data : (meta_data & 7) << 6 | seed_data;
int comb = 0;
for (int i = 0; i <= trial; ++i)
comb = combination();