+++ /dev/null
-/*
- * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
- * Universitaet Berlin. See the accompanying file "COPYRIGHT" for
- * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
- */
-
-#include "gsm610_priv.h"
-
-#include "gsm.h"
-
-int gsm_decode (gsm s, gsm_byte * c, gsm_signal * target)
-{
- word LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4], xmc[13*4];
-
-#ifdef WAV49
- if (s->wav_fmt) {
-
- uword sr = 0;
-
- s->frame_index = !s->frame_index;
- if (s->frame_index) {
-
- sr = *c++;
- LARc[0] = sr & 0x3f; sr >>= 6;
- sr |= (uword)*c++ << 2;
- LARc[1] = sr & 0x3f; sr >>= 6;
- sr |= (uword)*c++ << 4;
- LARc[2] = sr & 0x1f; sr >>= 5;
- LARc[3] = sr & 0x1f; sr >>= 5;
- sr |= (uword)*c++ << 2;
- LARc[4] = sr & 0xf; sr >>= 4;
- LARc[5] = sr & 0xf; sr >>= 4;
- sr |= (uword)*c++ << 2; /* 5 */
- LARc[6] = sr & 0x7; sr >>= 3;
- LARc[7] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 4;
- Nc[0] = sr & 0x7f; sr >>= 7;
- bc[0] = sr & 0x3; sr >>= 2;
- Mc[0] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 1;
- xmaxc[0] = sr & 0x3f; sr >>= 6;
- xmc[0] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[1] = sr & 0x7; sr >>= 3;
- xmc[2] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[3] = sr & 0x7; sr >>= 3;
- xmc[4] = sr & 0x7; sr >>= 3;
- xmc[5] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1; /* 10 */
- xmc[6] = sr & 0x7; sr >>= 3;
- xmc[7] = sr & 0x7; sr >>= 3;
- xmc[8] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[9] = sr & 0x7; sr >>= 3;
- xmc[10] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[11] = sr & 0x7; sr >>= 3;
- xmc[12] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 4;
- Nc[1] = sr & 0x7f; sr >>= 7;
- bc[1] = sr & 0x3; sr >>= 2;
- Mc[1] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 1;
- xmaxc[1] = sr & 0x3f; sr >>= 6;
- xmc[13] = sr & 0x7; sr >>= 3;
- sr = *c++; /* 15 */
- xmc[14] = sr & 0x7; sr >>= 3;
- xmc[15] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[16] = sr & 0x7; sr >>= 3;
- xmc[17] = sr & 0x7; sr >>= 3;
- xmc[18] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[19] = sr & 0x7; sr >>= 3;
- xmc[20] = sr & 0x7; sr >>= 3;
- xmc[21] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[22] = sr & 0x7; sr >>= 3;
- xmc[23] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[24] = sr & 0x7; sr >>= 3;
- xmc[25] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 4; /* 20 */
- Nc[2] = sr & 0x7f; sr >>= 7;
- bc[2] = sr & 0x3; sr >>= 2;
- Mc[2] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 1;
- xmaxc[2] = sr & 0x3f; sr >>= 6;
- xmc[26] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[27] = sr & 0x7; sr >>= 3;
- xmc[28] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[29] = sr & 0x7; sr >>= 3;
- xmc[30] = sr & 0x7; sr >>= 3;
- xmc[31] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[32] = sr & 0x7; sr >>= 3;
- xmc[33] = sr & 0x7; sr >>= 3;
- xmc[34] = sr & 0x7; sr >>= 3;
- sr = *c++; /* 25 */
- xmc[35] = sr & 0x7; sr >>= 3;
- xmc[36] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[37] = sr & 0x7; sr >>= 3;
- xmc[38] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 4;
- Nc[3] = sr & 0x7f; sr >>= 7;
- bc[3] = sr & 0x3; sr >>= 2;
- Mc[3] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 1;
- xmaxc[3] = sr & 0x3f; sr >>= 6;
- xmc[39] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[40] = sr & 0x7; sr >>= 3;
- xmc[41] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2; /* 30 */
- xmc[42] = sr & 0x7; sr >>= 3;
- xmc[43] = sr & 0x7; sr >>= 3;
- xmc[44] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[45] = sr & 0x7; sr >>= 3;
- xmc[46] = sr & 0x7; sr >>= 3;
- xmc[47] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[48] = sr & 0x7; sr >>= 3;
- xmc[49] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[50] = sr & 0x7; sr >>= 3;
- xmc[51] = sr & 0x7; sr >>= 3;
-
- s->frame_chain = sr & 0xf;
- }
- else {
- sr = s->frame_chain;
- sr |= (uword)*c++ << 4; /* 1 */
- LARc[0] = sr & 0x3f; sr >>= 6;
- LARc[1] = sr & 0x3f; sr >>= 6;
- sr = *c++;
- LARc[2] = sr & 0x1f; sr >>= 5;
- sr |= (uword)*c++ << 3;
- LARc[3] = sr & 0x1f; sr >>= 5;
- LARc[4] = sr & 0xf; sr >>= 4;
- sr |= (uword)*c++ << 2;
- LARc[5] = sr & 0xf; sr >>= 4;
- LARc[6] = sr & 0x7; sr >>= 3;
- LARc[7] = sr & 0x7; sr >>= 3;
- sr = *c++; /* 5 */
- Nc[0] = sr & 0x7f; sr >>= 7;
- sr |= (uword)*c++ << 1;
- bc[0] = sr & 0x3; sr >>= 2;
- Mc[0] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 5;
- xmaxc[0] = sr & 0x3f; sr >>= 6;
- xmc[0] = sr & 0x7; sr >>= 3;
- xmc[1] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[2] = sr & 0x7; sr >>= 3;
- xmc[3] = sr & 0x7; sr >>= 3;
- xmc[4] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[5] = sr & 0x7; sr >>= 3;
- xmc[6] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2; /* 10 */
- xmc[7] = sr & 0x7; sr >>= 3;
- xmc[8] = sr & 0x7; sr >>= 3;
- xmc[9] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[10] = sr & 0x7; sr >>= 3;
- xmc[11] = sr & 0x7; sr >>= 3;
- xmc[12] = sr & 0x7; sr >>= 3;
- sr = *c++;
- Nc[1] = sr & 0x7f; sr >>= 7;
- sr |= (uword)*c++ << 1;
- bc[1] = sr & 0x3; sr >>= 2;
- Mc[1] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 5;
- xmaxc[1] = sr & 0x3f; sr >>= 6;
- xmc[13] = sr & 0x7; sr >>= 3;
- xmc[14] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1; /* 15 */
- xmc[15] = sr & 0x7; sr >>= 3;
- xmc[16] = sr & 0x7; sr >>= 3;
- xmc[17] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[18] = sr & 0x7; sr >>= 3;
- xmc[19] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[20] = sr & 0x7; sr >>= 3;
- xmc[21] = sr & 0x7; sr >>= 3;
- xmc[22] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[23] = sr & 0x7; sr >>= 3;
- xmc[24] = sr & 0x7; sr >>= 3;
- xmc[25] = sr & 0x7; sr >>= 3;
- sr = *c++;
- Nc[2] = sr & 0x7f; sr >>= 7;
- sr |= (uword)*c++ << 1; /* 20 */
- bc[2] = sr & 0x3; sr >>= 2;
- Mc[2] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 5;
- xmaxc[2] = sr & 0x3f; sr >>= 6;
- xmc[26] = sr & 0x7; sr >>= 3;
- xmc[27] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[28] = sr & 0x7; sr >>= 3;
- xmc[29] = sr & 0x7; sr >>= 3;
- xmc[30] = sr & 0x7; sr >>= 3;
- sr = *c++;
- xmc[31] = sr & 0x7; sr >>= 3;
- xmc[32] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[33] = sr & 0x7; sr >>= 3;
- xmc[34] = sr & 0x7; sr >>= 3;
- xmc[35] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1; /* 25 */
- xmc[36] = sr & 0x7; sr >>= 3;
- xmc[37] = sr & 0x7; sr >>= 3;
- xmc[38] = sr & 0x7; sr >>= 3;
- sr = *c++;
- Nc[3] = sr & 0x7f; sr >>= 7;
- sr |= (uword)*c++ << 1;
- bc[3] = sr & 0x3; sr >>= 2;
- Mc[3] = sr & 0x3; sr >>= 2;
- sr |= (uword)*c++ << 5;
- xmaxc[3] = sr & 0x3f; sr >>= 6;
- xmc[39] = sr & 0x7; sr >>= 3;
- xmc[40] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[41] = sr & 0x7; sr >>= 3;
- xmc[42] = sr & 0x7; sr >>= 3;
- xmc[43] = sr & 0x7; sr >>= 3;
- sr = *c++; /* 30 */
- xmc[44] = sr & 0x7; sr >>= 3;
- xmc[45] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 2;
- xmc[46] = sr & 0x7; sr >>= 3;
- xmc[47] = sr & 0x7; sr >>= 3;
- xmc[48] = sr & 0x7; sr >>= 3;
- sr |= (uword)*c++ << 1;
- xmc[49] = sr & 0x7; sr >>= 3;
- xmc[50] = sr & 0x7; sr >>= 3;
- xmc[51] = sr & 0x7; sr >>= 3;
- }
- }
- else
-#endif
- {
- /* GSM_MAGIC = (*c >> 4) & 0xF; */
-
- if (((*c >> 4) & 0x0F) != GSM_MAGIC) return -1;
-
- LARc[0] = (*c++ & 0xF) << 2; /* 1 */
- LARc[0] |= (*c >> 6) & 0x3;
- LARc[1] = *c++ & 0x3F;
- LARc[2] = (*c >> 3) & 0x1F;
- LARc[3] = (*c++ & 0x7) << 2;
- LARc[3] |= (*c >> 6) & 0x3;
- LARc[4] = (*c >> 2) & 0xF;
- LARc[5] = (*c++ & 0x3) << 2;
- LARc[5] |= (*c >> 6) & 0x3;
- LARc[6] = (*c >> 3) & 0x7;
- LARc[7] = *c++ & 0x7;
- Nc[0] = (*c >> 1) & 0x7F;
- bc[0] = (*c++ & 0x1) << 1;
- bc[0] |= (*c >> 7) & 0x1;
- Mc[0] = (*c >> 5) & 0x3;
- xmaxc[0] = (*c++ & 0x1F) << 1;
- xmaxc[0] |= (*c >> 7) & 0x1;
- xmc[0] = (*c >> 4) & 0x7;
- xmc[1] = (*c >> 1) & 0x7;
- xmc[2] = (*c++ & 0x1) << 2;
- xmc[2] |= (*c >> 6) & 0x3;
- xmc[3] = (*c >> 3) & 0x7;
- xmc[4] = *c++ & 0x7;
- xmc[5] = (*c >> 5) & 0x7;
- xmc[6] = (*c >> 2) & 0x7;
- xmc[7] = (*c++ & 0x3) << 1; /* 10 */
- xmc[7] |= (*c >> 7) & 0x1;
- xmc[8] = (*c >> 4) & 0x7;
- xmc[9] = (*c >> 1) & 0x7;
- xmc[10] = (*c++ & 0x1) << 2;
- xmc[10] |= (*c >> 6) & 0x3;
- xmc[11] = (*c >> 3) & 0x7;
- xmc[12] = *c++ & 0x7;
- Nc[1] = (*c >> 1) & 0x7F;
- bc[1] = (*c++ & 0x1) << 1;
- bc[1] |= (*c >> 7) & 0x1;
- Mc[1] = (*c >> 5) & 0x3;
- xmaxc[1] = (*c++ & 0x1F) << 1;
- xmaxc[1] |= (*c >> 7) & 0x1;
- xmc[13] = (*c >> 4) & 0x7;
- xmc[14] = (*c >> 1) & 0x7;
- xmc[15] = (*c++ & 0x1) << 2;
- xmc[15] |= (*c >> 6) & 0x3;
- xmc[16] = (*c >> 3) & 0x7;
- xmc[17] = *c++ & 0x7;
- xmc[18] = (*c >> 5) & 0x7;
- xmc[19] = (*c >> 2) & 0x7;
- xmc[20] = (*c++ & 0x3) << 1;
- xmc[20] |= (*c >> 7) & 0x1;
- xmc[21] = (*c >> 4) & 0x7;
- xmc[22] = (*c >> 1) & 0x7;
- xmc[23] = (*c++ & 0x1) << 2;
- xmc[23] |= (*c >> 6) & 0x3;
- xmc[24] = (*c >> 3) & 0x7;
- xmc[25] = *c++ & 0x7;
- Nc[2] = (*c >> 1) & 0x7F;
- bc[2] = (*c++ & 0x1) << 1; /* 20 */
- bc[2] |= (*c >> 7) & 0x1;
- Mc[2] = (*c >> 5) & 0x3;
- xmaxc[2] = (*c++ & 0x1F) << 1;
- xmaxc[2] |= (*c >> 7) & 0x1;
- xmc[26] = (*c >> 4) & 0x7;
- xmc[27] = (*c >> 1) & 0x7;
- xmc[28] = (*c++ & 0x1) << 2;
- xmc[28] |= (*c >> 6) & 0x3;
- xmc[29] = (*c >> 3) & 0x7;
- xmc[30] = *c++ & 0x7;
- xmc[31] = (*c >> 5) & 0x7;
- xmc[32] = (*c >> 2) & 0x7;
- xmc[33] = (*c++ & 0x3) << 1;
- xmc[33] |= (*c >> 7) & 0x1;
- xmc[34] = (*c >> 4) & 0x7;
- xmc[35] = (*c >> 1) & 0x7;
- xmc[36] = (*c++ & 0x1) << 2;
- xmc[36] |= (*c >> 6) & 0x3;
- xmc[37] = (*c >> 3) & 0x7;
- xmc[38] = *c++ & 0x7;
- Nc[3] = (*c >> 1) & 0x7F;
- bc[3] = (*c++ & 0x1) << 1;
- bc[3] |= (*c >> 7) & 0x1;
- Mc[3] = (*c >> 5) & 0x3;
- xmaxc[3] = (*c++ & 0x1F) << 1;
- xmaxc[3] |= (*c >> 7) & 0x1;
- xmc[39] = (*c >> 4) & 0x7;
- xmc[40] = (*c >> 1) & 0x7;
- xmc[41] = (*c++ & 0x1) << 2;
- xmc[41] |= (*c >> 6) & 0x3;
- xmc[42] = (*c >> 3) & 0x7;
- xmc[43] = *c++ & 0x7; /* 30 */
- xmc[44] = (*c >> 5) & 0x7;
- xmc[45] = (*c >> 2) & 0x7;
- xmc[46] = (*c++ & 0x3) << 1;
- xmc[46] |= (*c >> 7) & 0x1;
- xmc[47] = (*c >> 4) & 0x7;
- xmc[48] = (*c >> 1) & 0x7;
- xmc[49] = (*c++ & 0x1) << 2;
- xmc[49] |= (*c >> 6) & 0x3;
- xmc[50] = (*c >> 3) & 0x7;
- xmc[51] = *c & 0x7; /* 33 */
- }
-
- Gsm_Decoder(s, LARc, Nc, bc, Mc, xmaxc, xmc, target);
-
- return 0;
-}
-
projects / Faustine.git / blobdiff