522 lines
12 KiB
C
522 lines
12 KiB
C
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/*
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* Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
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* Universitaet Berlin. See the accompanying file "COPYRIGHT" for
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* details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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*/
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/* $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 $ */
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#include "private.h"
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#include "gsm.h"
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#include "proto.h"
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void gsm_implode P3((s, source, c), gsm s, gsm_signal * source, gsm_byte * c)
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{
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/* variable size index
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GSM_MAGIC 4 -
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LARc[0] 6 0
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LARc[1] 6 1
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LARc[2] 5 2
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LARc[3] 5 3
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LARc[4] 4 4
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LARc[5] 4 5
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LARc[6] 3 6
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LARc[7] 3 7
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Nc[0] 7 8
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bc[0] 2 9
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Mc[0] 2 10
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xmaxc[0] 6 11
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xmc[0] 3 12
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xmc[1] 3 13
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xmc[2] 3 14
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xmc[3] 3 15
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xmc[4] 3 16
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xmc[5] 3 17
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xmc[6] 3 18
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xmc[7] 3 19
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xmc[8] 3 20
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xmc[9] 3 21
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xmc[10] 3 22
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xmc[11] 3 23
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xmc[12] 3 24
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Nc[1] 7 25
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bc[1] 2 26
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Mc[1] 2 27
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xmaxc[1] 6 28
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xmc[13] 3 29
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xmc[14] 3 30
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xmc[15] 3 31
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xmc[16] 3 32
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xmc[17] 3 33
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xmc[18] 3 34
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xmc[19] 3 35
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xmc[20] 3 36
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xmc[21] 3 37
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xmc[22] 3 38
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xmc[23] 3 39
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xmc[24] 3 40
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xmc[25] 3 41
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Nc[2] 7 42
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bc[2] 2 43
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Mc[2] 2 44
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xmaxc[2] 6 45
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xmc[26] 3 46
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xmc[27] 3 47
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xmc[28] 3 48
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xmc[29] 3 49
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xmc[30] 3 50
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xmc[31] 3 51
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xmc[32] 3 52
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xmc[33] 3 53
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xmc[34] 3 54
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xmc[35] 3 55
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xmc[36] 3 56
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xmc[37] 3 57
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xmc[38] 3 58
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Nc[3] 7 59
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bc[3] 2 60
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Mc[3] 2 61
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xmaxc[3] 6 62
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xmc[39] 3 63
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xmc[40] 3 64
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xmc[41] 3 65
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xmc[42] 3 66
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xmc[43] 3 67
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xmc[44] 3 68
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xmc[45] 3 69
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xmc[46] 3 70
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xmc[47] 3 71
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xmc[48] 3 72
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xmc[49] 3 73
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xmc[50] 3 74
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xmc[51] 3 75
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*/
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/* There are 76 parameters per frame. The first eight are
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* unique. The remaining 68 are four identical subframes of
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* 17 parameters each. gsm_implode converts from a representation
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* of these parameters as values in one array of signed words
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* to the "packed" version of a GSM frame.
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*/
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# define LARc source
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# define Nc *((gsm_signal (*) [17])(source + 8))
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# define bc *((gsm_signal (*) [17])(source + 9))
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# define Mc *((gsm_signal (*) [17])(source + 10))
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# define xmaxc *((gsm_signal (*) [17])(source + 11))
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#ifdef WAV49
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if (s->wav_fmt) {
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uword sr = 0;
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if (s->frame_index) {
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sr = sr >> 6 | LARc[0] << 10;
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sr = sr >> 6 | LARc[1] << 10;
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*c++ = sr >> 4;
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sr = sr >> 5 | LARc[2] << 11;
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*c++ = sr >> 7;
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sr = sr >> 5 | LARc[3] << 11;
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sr = sr >> 4 | LARc[4] << 12;
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*c++ = sr >> 6;
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sr = sr >> 4 | LARc[5] << 12;
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sr = sr >> 3 | LARc[6] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | LARc[7] << 13;
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sr = sr >> 7 | Nc[0] << 9;
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*c++ = sr >> 5;
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sr = sr >> 2 | bc[0] << 14;
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sr = sr >> 2 | Mc[0] << 14;
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sr = sr >> 6 | xmaxc[0] << 10;
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*c++ = sr >> 3;
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#undef xmc
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#define xmc (source + 12)
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sr = sr >> 3 | xmc[0] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[1] << 13;
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sr = sr >> 3 | xmc[2] << 13;
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sr = sr >> 3 | xmc[3] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[4] << 13;
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sr = sr >> 3 | xmc[5] << 13;
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sr = sr >> 3 | xmc[6] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[7] << 13;
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sr = sr >> 3 | xmc[8] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[9] << 13;
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sr = sr >> 3 | xmc[10] << 13;
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sr = sr >> 3 | xmc[11] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[12] << 13;
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sr = sr >> 7 | Nc[1] << 9;
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*c++ = sr >> 5;
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sr = sr >> 2 | bc[1] << 14;
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sr = sr >> 2 | Mc[1] << 14;
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sr = sr >> 6 | xmaxc[1] << 10;
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*c++ = sr >> 3;
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#undef xmc
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#define xmc (source + 29 - 13)
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sr = sr >> 3 | xmc[13] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[14] << 13;
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sr = sr >> 3 | xmc[15] << 13;
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sr = sr >> 3 | xmc[16] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[17] << 13;
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sr = sr >> 3 | xmc[18] << 13;
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sr = sr >> 3 | xmc[19] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[20] << 13;
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sr = sr >> 3 | xmc[21] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[22] << 13;
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sr = sr >> 3 | xmc[23] << 13;
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sr = sr >> 3 | xmc[24] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[25] << 13;
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sr = sr >> 7 | Nc[2] << 9;
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*c++ = sr >> 5;
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sr = sr >> 2 | bc[2] << 14;
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sr = sr >> 2 | Mc[2] << 14;
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sr = sr >> 6 | xmaxc[2] << 10;
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*c++ = sr >> 3;
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#undef xmc
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#define xmc (source + 46 - 26)
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sr = sr >> 3 | xmc[26] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[27] << 13;
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sr = sr >> 3 | xmc[28] << 13;
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sr = sr >> 3 | xmc[29] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[30] << 13;
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sr = sr >> 3 | xmc[31] << 13;
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sr = sr >> 3 | xmc[32] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[33] << 13;
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sr = sr >> 3 | xmc[34] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[35] << 13;
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sr = sr >> 3 | xmc[36] << 13;
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sr = sr >> 3 | xmc[37] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[38] << 13;
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sr = sr >> 7 | Nc[3] << 9;
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*c++ = sr >> 5;
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sr = sr >> 2 | bc[3] << 14;
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sr = sr >> 2 | Mc[3] << 14;
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sr = sr >> 6 | xmaxc[3] << 10;
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*c++ = sr >> 3;
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#undef xmc
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#define xmc (source + 63 - 39)
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sr = sr >> 3 | xmc[39] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[40] << 13;
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sr = sr >> 3 | xmc[41] << 13;
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sr = sr >> 3 | xmc[42] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[43] << 13;
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sr = sr >> 3 | xmc[44] << 13;
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sr = sr >> 3 | xmc[45] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[46] << 13;
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sr = sr >> 3 | xmc[47] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[48] << 13;
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sr = sr >> 3 | xmc[49] << 13;
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sr = sr >> 3 | xmc[50] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[51] << 13;
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sr = sr >> 4;
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*c = sr >> 8;
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s->frame_chain = *c;
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}
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else {
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sr = sr >> 4 | s->frame_chain << 12;
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sr = sr >> 6 | LARc[0] << 10;
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*c++ = sr >> 6;
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sr = sr >> 6 | LARc[1] << 10;
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*c++ = sr >> 8;
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sr = sr >> 5 | LARc[2] << 11;
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sr = sr >> 5 | LARc[3] << 11;
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*c++ = sr >> 6;
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sr = sr >> 4 | LARc[4] << 12;
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sr = sr >> 4 | LARc[5] << 12;
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*c++ = sr >> 6;
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sr = sr >> 3 | LARc[6] << 13;
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sr = sr >> 3 | LARc[7] << 13;
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*c++ = sr >> 8;
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sr = sr >> 7 | Nc[0] << 9;
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sr = sr >> 2 | bc[0] << 14;
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*c++ = sr >> 7;
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sr = sr >> 2 | Mc[0] << 14;
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sr = sr >> 6 | xmaxc[0] << 10;
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*c++ = sr >> 7;
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#undef xmc
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#define xmc (source + 12)
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sr = sr >> 3 | xmc[0] << 13;
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sr = sr >> 3 | xmc[1] << 13;
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sr = sr >> 3 | xmc[2] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[3] << 13;
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sr = sr >> 3 | xmc[4] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[5] << 13;
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sr = sr >> 3 | xmc[6] << 13;
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sr = sr >> 3 | xmc[7] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[8] << 13;
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sr = sr >> 3 | xmc[9] << 13;
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sr = sr >> 3 | xmc[10] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[11] << 13;
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sr = sr >> 3 | xmc[12] << 13;
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*c++ = sr >> 8;
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sr = sr >> 7 | Nc[1] << 9;
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sr = sr >> 2 | bc[1] << 14;
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*c++ = sr >> 7;
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sr = sr >> 2 | Mc[1] << 14;
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sr = sr >> 6 | xmaxc[1] << 10;
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*c++ = sr >> 7;
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#undef xmc
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#define xmc (source + 29 - 13)
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sr = sr >> 3 | xmc[13] << 13;
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sr = sr >> 3 | xmc[14] << 13;
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sr = sr >> 3 | xmc[15] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[16] << 13;
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sr = sr >> 3 | xmc[17] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[18] << 13;
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sr = sr >> 3 | xmc[19] << 13;
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sr = sr >> 3 | xmc[20] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[21] << 13;
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sr = sr >> 3 | xmc[22] << 13;
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sr = sr >> 3 | xmc[23] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[24] << 13;
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sr = sr >> 3 | xmc[25] << 13;
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*c++ = sr >> 8;
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sr = sr >> 7 | Nc[2] << 9;
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sr = sr >> 2 | bc[2] << 14;
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*c++ = sr >> 7;
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sr = sr >> 2 | Mc[2] << 14;
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sr = sr >> 6 | xmaxc[2] << 10;
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*c++ = sr >> 7;
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#undef xmc
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#define xmc (source + 46 - 26)
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sr = sr >> 3 | xmc[26] << 13;
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sr = sr >> 3 | xmc[27] << 13;
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sr = sr >> 3 | xmc[28] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[29] << 13;
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sr = sr >> 3 | xmc[30] << 13;
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*c++ = sr >> 8;
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sr = sr >> 3 | xmc[31] << 13;
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sr = sr >> 3 | xmc[32] << 13;
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sr = sr >> 3 | xmc[33] << 13;
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*c++ = sr >> 7;
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sr = sr >> 3 | xmc[34] << 13;
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sr = sr >> 3 | xmc[35] << 13;
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sr = sr >> 3 | xmc[36] << 13;
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*c++ = sr >> 6;
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sr = sr >> 3 | xmc[37] << 13;
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sr = sr >> 3 | xmc[38] << 13;
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*c++ = sr >> 8;
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sr = sr >> 7 | Nc[3] << 9;
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sr = sr >> 2 | bc[3] << 14;
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*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);
|
||
|
|
}
|
||
|
|
}
|