FreeCalypso > hg > tcs211-l1-reconst
view chipsetsw/layer1/gtt_include/ctm/diag_interleaver.h @ 276:59ceed02f7df
g23m/copyblobs.sh: l1audio_sync.obj deblobbed
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 14 Mar 2017 04:15:55 +0000 |
parents | 509db1a7b7b8 |
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/* ******************************************************************************* * * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100 * * The program(s) may be used and/or copied only with the * written permission from Ericsson or in accordance * with the terms and conditions stipulated in the agreement or * contract under which the program(s) have been supplied. * ******************************************************************************* * * File : diag_interleaver.h * Purpose : diagonal (chain) interleaver routine * ******************************************************************************* */ #ifndef diag_interleaver_h #define diag_interleaver_h "$Id: $" /* ******************************************************************************* * INCLUDE FILES ******************************************************************************* */ #include "init_interleaver.h" /* ******************************************************************************* * DECLARATION OF PROTOTYPES ******************************************************************************* */ /* ---------------------------------------------------------------------- */ /* diag_interleaver: */ /* Diagonal (chain) interleaver, based on block-by-block processing. */ /* An arbitrary number of bits can be interleaved, depending of the */ /* value num_bits. The vector "out", which must have the same */ /* length than "in", contains the interleaved samples. */ /* All states (memory etc.) of the interleaver are stored in the variable */ /* *intl_state. Therefore, a pointer to this variable must be handled to */ /* this function. This variable initially has to be initialized by the */ /* function init_interleaver, which offers also the possibility to */ /* specify the dimensions of the interleaver matrix. */ /* ---------------------------------------------------------------------- */ void diag_interleaver(WORD16 *out, WORD16 *in, WORD16 num_bits, interleaver_state_t *intl_state); /* ---------------------------------------------------------------------- */ /* diag_interleaver_flush: */ /* Execution of the diagonal (chain) interleaver without writing in new */ /* samples. The number of calculated output samples is returned via the */ /* value *num_bits. */ /* ---------------------------------------------------------------------- */ void diag_interleaver_flush(WORD16 *out, WORD16 *num_bits, interleaver_state_t *intl_state); #endif