/* * 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. */ /* $Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/gsm_implode.c,v 1.2 1996/07/02 14:32:43 jutta Exp jutta $ */ #include "private.h" #include "gsm.h" #include "proto.h" void gsm_implode P3((s, source, c), gsm s, gsm_signal * source, gsm_byte * c) { /* variable size index GSM_MAGIC 4 - LARc[0] 6 0 LARc[1] 6 1 LARc[2] 5 2 LARc[3] 5 3 LARc[4] 4 4 LARc[5] 4 5 LARc[6] 3 6 LARc[7] 3 7 Nc[0] 7 8 bc[0] 2 9 Mc[0] 2 10 xmaxc[0] 6 11 xmc[0] 3 12 xmc[1] 3 13 xmc[2] 3 14 xmc[3] 3 15 xmc[4] 3 16 xmc[5] 3 17 xmc[6] 3 18 xmc[7] 3 19 xmc[8] 3 20 xmc[9] 3 21 xmc[10] 3 22 xmc[11] 3 23 xmc[12] 3 24 Nc[1] 7 25 bc[1] 2 26 Mc[1] 2 27 xmaxc[1] 6 28 xmc[13] 3 29 xmc[14] 3 30 xmc[15] 3 31 xmc[16] 3 32 xmc[17] 3 33 xmc[18] 3 34 xmc[19] 3 35 xmc[20] 3 36 xmc[21] 3 37 xmc[22] 3 38 xmc[23] 3 39 xmc[24] 3 40 xmc[25] 3 41 Nc[2] 7 42 bc[2] 2 43 Mc[2] 2 44 xmaxc[2] 6 45 xmc[26] 3 46 xmc[27] 3 47 xmc[28] 3 48 xmc[29] 3 49 xmc[30] 3 50 xmc[31] 3 51 xmc[32] 3 52 xmc[33] 3 53 xmc[34] 3 54 xmc[35] 3 55 xmc[36] 3 56 xmc[37] 3 57 xmc[38] 3 58 Nc[3] 7 59 bc[3] 2 60 Mc[3] 2 61 xmaxc[3] 6 62 xmc[39] 3 63 xmc[40] 3 64 xmc[41] 3 65 xmc[42] 3 66 xmc[43] 3 67 xmc[44] 3 68 xmc[45] 3 69 xmc[46] 3 70 xmc[47] 3 71 xmc[48] 3 72 xmc[49] 3 73 xmc[50] 3 74 xmc[51] 3 75 */ /* There are 76 parameters per frame. The first eight are * unique. The remaining 68 are four identical subframes of * 17 parameters each. gsm_implode converts from a representation * of these parameters as values in one array of signed words * to the "packed" version of a GSM frame. */ # define LARc source # define Nc *((gsm_signal (*) [17])(source + 8)) # define bc *((gsm_signal (*) [17])(source + 9)) # define Mc *((gsm_signal (*) [17])(source + 10)) # define xmaxc *((gsm_signal (*) [17])(source + 11)) #ifdef WAV49 if (s->wav_fmt) { uword sr = 0; if (s->frame_index) { sr = sr >> 6 | LARc[0] << 10; sr = sr >> 6 | LARc[1] << 10; *c++ = sr >> 4; sr = sr >> 5 | LARc[2] << 11; *c++ = sr >> 7; sr = sr >> 5 | LARc[3] << 11; sr = sr >> 4 | LARc[4] << 12; *c++ = sr >> 6; sr = sr >> 4 | LARc[5] << 12; sr = sr >> 3 | LARc[6] << 13; *c++ = sr >> 7; sr = sr >> 3 | LARc[7] << 13; sr = sr >> 7 | Nc[0] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[0] << 14; sr = sr >> 2 | Mc[0] << 14; sr = sr >> 6 | xmaxc[0] << 10; *c++ = sr >> 3; #undef xmc #define xmc (source + 12) sr = sr >> 3 | xmc[0] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[1] << 13; sr = sr >> 3 | xmc[2] << 13; sr = sr >> 3 | xmc[3] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[4] << 13; sr = sr >> 3 | xmc[5] << 13; sr = sr >> 3 | xmc[6] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[7] << 13; sr = sr >> 3 | xmc[8] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[9] << 13; sr = sr >> 3 | xmc[10] << 13; sr = sr >> 3 | xmc[11] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[12] << 13; sr = sr >> 7 | Nc[1] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[1] << 14; sr = sr >> 2 | Mc[1] << 14; sr = sr >> 6 | xmaxc[1] << 10; *c++ = sr >> 3; #undef xmc #define xmc (source + 29 - 13) sr = sr >> 3 | xmc[13] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[14] << 13; sr = sr >> 3 | xmc[15] << 13; sr = sr >> 3 | xmc[16] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[17] << 13; sr = sr >> 3 | xmc[18] << 13; sr = sr >> 3 | xmc[19] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[20] << 13; sr = sr >> 3 | xmc[21] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[22] << 13; sr = sr >> 3 | xmc[23] << 13; sr = sr >> 3 | xmc[24] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[25] << 13; sr = sr >> 7 | Nc[2] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[2] << 14; sr = sr >> 2 | Mc[2] << 14; sr = sr >> 6 | xmaxc[2] << 10; *c++ = sr >> 3; #undef xmc #define xmc (source + 46 - 26) sr = sr >> 3 | xmc[26] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[27] << 13; sr = sr >> 3 | xmc[28] << 13; sr = sr >> 3 | xmc[29] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[30] << 13; sr = sr >> 3 | xmc[31] << 13; sr = sr >> 3 | xmc[32] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[33] << 13; sr = sr >> 3 | xmc[34] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[35] << 13; sr = sr >> 3 | xmc[36] << 13; sr = sr >> 3 | xmc[37] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[38] << 13; sr = sr >> 7 | Nc[3] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[3] << 14; sr = sr >> 2 | Mc[3] << 14; sr = sr >> 6 | xmaxc[3] << 10; *c++ = sr >> 3; #undef xmc #define xmc (source + 63 - 39) sr = sr >> 3 | xmc[39] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[40] << 13; sr = sr >> 3 | xmc[41] << 13; sr = sr >> 3 | xmc[42] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[43] << 13; sr = sr >> 3 | xmc[44] << 13; sr = sr >> 3 | xmc[45] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[46] << 13; sr = sr >> 3 | xmc[47] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[48] << 13; sr = sr >> 3 | xmc[49] << 13; sr = sr >> 3 | xmc[50] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[51] << 13; sr = sr >> 4; *c = sr >> 8; s->frame_chain = *c; } else { sr = sr >> 4 | s->frame_chain << 12; sr = sr >> 6 | LARc[0] << 10; *c++ = sr >> 6; sr = sr >> 6 | LARc[1] << 10; *c++ = sr >> 8; sr = sr >> 5 | LARc[2] << 11; sr = sr >> 5 | LARc[3] << 11; *c++ = sr >> 6; sr = sr >> 4 | LARc[4] << 12; sr = sr >> 4 | LARc[5] << 12; *c++ = sr >> 6; sr = sr >> 3 | LARc[6] << 13; sr = sr >> 3 | LARc[7] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[0] << 9; sr = sr >> 2 | bc[0] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[0] << 14; sr = sr >> 6 | xmaxc[0] << 10; *c++ = sr >> 7; #undef xmc #define xmc (source + 12) sr = sr >> 3 | xmc[0] << 13; sr = sr >> 3 | xmc[1] << 13; sr = sr >> 3 | xmc[2] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[3] << 13; sr = sr >> 3 | xmc[4] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[5] << 13; sr = sr >> 3 | xmc[6] << 13; sr = sr >> 3 | xmc[7] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[8] << 13; sr = sr >> 3 | xmc[9] << 13; sr = sr >> 3 | xmc[10] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[11] << 13; sr = sr >> 3 | xmc[12] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[1] << 9; sr = sr >> 2 | bc[1] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[1] << 14; sr = sr >> 6 | xmaxc[1] << 10; *c++ = sr >> 7; #undef xmc #define xmc (source + 29 - 13) sr = sr >> 3 | xmc[13] << 13; sr = sr >> 3 | xmc[14] << 13; sr = sr >> 3 | xmc[15] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[16] << 13; sr = sr >> 3 | xmc[17] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[18] << 13; sr = sr >> 3 | xmc[19] << 13; sr = sr >> 3 | xmc[20] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[21] << 13; sr = sr >> 3 | xmc[22] << 13; sr = sr >> 3 | xmc[23] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[24] << 13; sr = sr >> 3 | xmc[25] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[2] << 9; sr = sr >> 2 | bc[2] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[2] << 14; sr = sr >> 6 | xmaxc[2] << 10; *c++ = sr >> 7; #undef xmc #define xmc (source + 46 - 26) sr = sr >> 3 | xmc[26] << 13; sr = sr >> 3 | xmc[27] << 13; sr = sr >> 3 | xmc[28] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[29] << 13; sr = sr >> 3 | xmc[30] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[31] << 13; sr = sr >> 3 | xmc[32] << 13; sr = sr >> 3 | xmc[33] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[34] << 13; sr = sr >> 3 | xmc[35] << 13; sr = sr >> 3 | xmc[36] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[37] << 13; sr = sr >> 3 | xmc[38] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[3] << 9; sr = sr >> 2 | bc[3] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[3] << 14; sr = sr >> 6 | xmaxc[3] << 10; *c++ = sr >> 7; #undef xmc #define xmc (source + 63 - 39) sr = sr >> 3 | xmc[39] << 13; sr = sr >> 3 | xmc[40] << 13; sr = sr >> 3 | xmc[41] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[42] << 13; sr = sr >> 3 | xmc[43] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[44] << 13; sr = sr >> 3 | xmc[45] << 13; sr = sr >> 3 | xmc[46] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[47] << 13; sr = sr >> 3 | xmc[48] << 13; sr = sr >> 3 | xmc[49] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[50] << 13; sr = sr >> 3 | xmc[51] << 13; *c++ = sr >> 8; } } else #endif { *c++ = ((GSM_MAGIC & 0xF) << 4) /* 1 */ | ((LARc[0] >> 2) & 0xF); *c++ = ((LARc[0] & 0x3) << 6) | (LARc[1] & 0x3F); *c++ = ((LARc[2] & 0x1F) << 3) | ((LARc[3] >> 2) & 0x7); *c++ = ((LARc[3] & 0x3) << 6) | ((LARc[4] & 0xF) << 2) | ((LARc[5] >> 2) & 0x3); *c++ = ((LARc[5] & 0x3) << 6) | ((LARc[6] & 0x7) << 3) | (LARc[7] & 0x7); *c++ = ((Nc[0] & 0x7F) << 1) | ((bc[0] >> 1) & 0x1); *c++ = ((bc[0] & 0x1) << 7) | ((Mc[0] & 0x3) << 5) | ((xmaxc[0] >> 1) & 0x1F); *c++ = ((xmaxc[0] & 0x1) << 7) #undef xmc #define xmc (source + 12) | ((xmc[0] & 0x7) << 4) | ((xmc[1] & 0x7) << 1) | ((xmc[2] >> 2) & 0x1); *c++ = ((xmc[2] & 0x3) << 6) | ((xmc[3] & 0x7) << 3) | (xmc[4] & 0x7); *c++ = ((xmc[5] & 0x7) << 5) /* 10 */ | ((xmc[6] & 0x7) << 2) | ((xmc[7] >> 1) & 0x3); *c++ = ((xmc[7] & 0x1) << 7) | ((xmc[8] & 0x7) << 4) | ((xmc[9] & 0x7) << 1) | ((xmc[10] >> 2) & 0x1); *c++ = ((xmc[10] & 0x3) << 6) | ((xmc[11] & 0x7) << 3) | (xmc[12] & 0x7); *c++ = ((Nc[1] & 0x7F) << 1) | ((bc[1] >> 1) & 0x1); *c++ = ((bc[1] & 0x1) << 7) | ((Mc[1] & 0x3) << 5) | ((xmaxc[1] >> 1) & 0x1F); *c++ = ((xmaxc[1] & 0x1) << 7) #undef xmc #define xmc (source + 29 - 13) | ((xmc[13] & 0x7) << 4) | ((xmc[14] & 0x7) << 1) | ((xmc[15] >> 2) & 0x1); *c++ = ((xmc[15] & 0x3) << 6) | ((xmc[16] & 0x7) << 3) | (xmc[17] & 0x7); *c++ = ((xmc[18] & 0x7) << 5) | ((xmc[19] & 0x7) << 2) | ((xmc[20] >> 1) & 0x3); *c++ = ((xmc[20] & 0x1) << 7) | ((xmc[21] & 0x7) << 4) | ((xmc[22] & 0x7) << 1) | ((xmc[23] >> 2) & 0x1); *c++ = ((xmc[23] & 0x3) << 6) | ((xmc[24] & 0x7) << 3) | (xmc[25] & 0x7); *c++ = ((Nc[2] & 0x7F) << 1) /* 20 */ | ((bc[2] >> 1) & 0x1); *c++ = ((bc[2] & 0x1) << 7) | ((Mc[2] & 0x3) << 5) | ((xmaxc[2] >> 1) & 0x1F); *c++ = ((xmaxc[2] & 0x1) << 7) #undef xmc #define xmc (source + 46 - 26) | ((xmc[26] & 0x7) << 4) | ((xmc[27] & 0x7) << 1) | ((xmc[28] >> 2) & 0x1); *c++ = ((xmc[28] & 0x3) << 6) | ((xmc[29] & 0x7) << 3) | (xmc[30] & 0x7); *c++ = ((xmc[31] & 0x7) << 5) | ((xmc[32] & 0x7) << 2) | ((xmc[33] >> 1) & 0x3); *c++ = ((xmc[33] & 0x1) << 7) | ((xmc[34] & 0x7) << 4) | ((xmc[35] & 0x7) << 1) | ((xmc[36] >> 2) & 0x1); *c++ = ((xmc[36] & 0x3) << 6) | ((xmc[37] & 0x7) << 3) | (xmc[38] & 0x7); *c++ = ((Nc[3] & 0x7F) << 1) | ((bc[3] >> 1) & 0x1); *c++ = ((bc[3] & 0x1) << 7) | ((Mc[3] & 0x3) << 5) | ((xmaxc[3] >> 1) & 0x1F); *c++ = ((xmaxc[3] & 0x1) << 7) #undef xmc #define xmc (source + 63 - 39) | ((xmc[39] & 0x7) << 4) | ((xmc[40] & 0x7) << 1) | ((xmc[41] >> 2) & 0x1); *c++ = ((xmc[41] & 0x3) << 6) /* 30 */ | ((xmc[42] & 0x7) << 3) | (xmc[43] & 0x7); *c++ = ((xmc[44] & 0x7) << 5) | ((xmc[45] & 0x7) << 2) | ((xmc[46] >> 1) & 0x3); *c++ = ((xmc[46] & 0x1) << 7) | ((xmc[47] & 0x7) << 4) | ((xmc[48] & 0x7) << 1) | ((xmc[49] >> 2) & 0x1); *c++ = ((xmc[49] & 0x3) << 6) | ((xmc[50] & 0x7) << 3) | (xmc[51] & 0x7); } }