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added more shuffles

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This commit is contained in:
Ahmet Inan 2025-06-25 16:39:28 +02:00
commit 77719cc63b
2 changed files with 34 additions and 4 deletions
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19
decode.cc
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@ -51,7 +51,7 @@ struct Decoder
static const int guard_len = symbol_len / 8;
static const int extended_len = symbol_len + guard_len;
static const int mod_max = 6;
static const int code_max = 14;
static const int code_max = 16;
static const int bits_max = 1 << code_max;
static const int data_max = 1024;
static const int cols_max = 273 + 16;
@ -153,7 +153,12 @@ struct Decoder
}
void shuffle(code_type *dest, const code_type *src)
{
if (code_order == 12) {
if (code_order == 11) {
CODE::XorShiftMask<int, 11, 1, 3, 4, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 2048; ++i)
dest[seq()] = src[i];
} else if (code_order == 12) {
CODE::XorShiftMask<int, 12, 1, 1, 4, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 4096; ++i)
@ -168,6 +173,16 @@ struct Decoder
dest[0] = src[0];
for (int i = 1; i < 16384; ++i)
dest[seq()] = src[i];
} else if (code_order == 15) {
CODE::XorShiftMask<int, 15, 1, 1, 3, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 32768; ++i)
dest[seq()] = src[i];
} else if (code_order == 16) {
CODE::XorShiftMask<int, 16, 1, 1, 14, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 65536; ++i)
dest[seq()] = src[i];
}
}
const cmplx *next_sample()

19
encode.cc
View file

@ -29,7 +29,7 @@ struct Encoder
typedef int8_t code_type;
static const int symbol_len = (1280 * rate) / 8000;
static const int guard_len = symbol_len / 8;
static const int bits_max = 16384;
static const int bits_max = 65536;
static const int data_max = 1024;
static const int cols_max = 273 + 16;
static const int mls0_len = 127;
@ -224,7 +224,12 @@ struct Encoder
}
void shuffle(code_type *dest, const code_type *src)
{
if (code_order == 12) {
if (code_order == 11) {
CODE::XorShiftMask<int, 11, 1, 3, 4, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 2048; ++i)
dest[i] = src[seq()];
} else if (code_order == 12) {
CODE::XorShiftMask<int, 12, 1, 1, 4, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 4096; ++i)
@ -239,6 +244,16 @@ struct Encoder
dest[0] = src[0];
for (int i = 1; i < 16384; ++i)
dest[i] = src[seq()];
} else if (code_order == 15) {
CODE::XorShiftMask<int, 15, 1, 1, 3, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 32768; ++i)
dest[i] = src[seq()];
} else if (code_order == 16) {
CODE::XorShiftMask<int, 16, 1, 1, 14, 1> seq;
dest[0] = src[0];
for (int i = 1; i < 65536; ++i)
dest[i] = src[seq()];
}
}
Encoder(DSP::WritePCM<value> *pcm, const char *const *input_names, int input_count, int freq_off, uint64_t call_sign, int oper_mode) :