FreeCalypso > hg > tcs211-l1-reconst

annotate chipsetsw/layer1/gtt_include/ctm/diag_interleaver.h @ 38:7f5eb5189d52

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l1_cmplx.c: Nina's change here too
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 28 Oct 2015 04:13:05 +0000
parents 509db1a7b7b8
children
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1 /*
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2 *******************************************************************************
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3 *
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH
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5 * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100
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6 *
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7 * The program(s) may be used and/or copied only with the
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8 * written permission from Ericsson or in accordance
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9 * with the terms and conditions stipulated in the agreement or
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10 * contract under which the program(s) have been supplied.
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11 *
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12 *******************************************************************************
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13 *
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14 * File : diag_interleaver.h
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15 * Purpose : diagonal (chain) interleaver routine
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16 *
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17 *******************************************************************************
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18 */
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19 #ifndef diag_interleaver_h
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20 #define diag_interleaver_h "$Id: $"
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21
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22 /*
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23 *******************************************************************************
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24 * INCLUDE FILES
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25 *******************************************************************************
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26 */
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27
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28 #include "init_interleaver.h"
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29
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30
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31 /*
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32 *******************************************************************************
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33 * DECLARATION OF PROTOTYPES
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34 *******************************************************************************
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35 */
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36
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37 /* ---------------------------------------------------------------------- */
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38 /* diag_interleaver: */
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39 /* Diagonal (chain) interleaver, based on block-by-block processing. */
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40 /* An arbitrary number of bits can be interleaved, depending of the */
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41 /* value num_bits. The vector "out", which must have the same */
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42 /* length than "in", contains the interleaved samples. */
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43 /* All states (memory etc.) of the interleaver are stored in the variable */
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44 /* *intl_state. Therefore, a pointer to this variable must be handled to */
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45 /* this function. This variable initially has to be initialized by the */
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46 /* function init_interleaver, which offers also the possibility to */
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47 /* specify the dimensions of the interleaver matrix. */
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48 /* ---------------------------------------------------------------------- */
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49
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50 void diag_interleaver(WORD16 *out,
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51 WORD16 *in,
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52 WORD16 num_bits,
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53 interleaver_state_t *intl_state);
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54
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55 /* ---------------------------------------------------------------------- */
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56 /* diag_interleaver_flush: */
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57 /* Execution of the diagonal (chain) interleaver without writing in new */
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58 /* samples. The number of calculated output samples is returned via the */
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59 /* value *num_bits. */
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60 /* ---------------------------------------------------------------------- */
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61
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62 void diag_interleaver_flush(WORD16 *out,
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63 WORD16 *num_bits,
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64 interleaver_state_t *intl_state);
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65
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66 #endif
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67