24 static const unsigned char sipr_swaps[38][2] = {
25 {0, 63}, {1, 22}, {2, 44}, {3, 90}, {5, 81}, {7, 31}, {8, 86}, {9, 58},
26 {10, 36}, {12, 68}, {13, 39}, {14, 73}, {15, 53}, {16, 69}, {17, 57},
27 {19, 88}, {20, 34}, {21, 71}, {24, 46}, {25, 94}, {26, 54}, {28, 75},
28 {29, 50}, {32, 70}, {33, 92}, {35, 74}, {38, 85}, {40, 56}, {42, 87},
29 {43, 65}, {45, 59}, {48, 79}, {49, 93}, {51, 89}, {55, 95}, {61, 76},
34 for (n = 0; n < 38; ++n)
37 int i = bs * sipr_swaps[n][0];
38 int o = bs * sipr_swaps[n][1];
40 for (j = 0; j < bs; ++j)
42 int x = (i & 1) ? (buffer[i >> 1] >> 4) : (buffer[i >> 1] & 0x0F);
43 int y = (o & 1) ? (buffer[o >> 1] >> 4) : (buffer[o >> 1] & 0x0F);
45 buffer[o >> 1] = (buffer[o >> 1] & 0x0F) | (x << 4);
47 buffer[o >> 1] = (buffer[o >> 1] & 0xF0) | x;
49 buffer[i >> 1] = (buffer[i >> 1] & 0x0F) | (y << 4);
51 buffer[i >> 1] = (buffer[i >> 1] & 0xF0) | y;
static void demux_real_sipro_swap(char buffer[], int bs)
Definition: demux_real_common.h:21