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/*---------------------------------------------------------------------------*\
FILE........: codec2_fifo.h
AUTHOR......: David Rowe
DATE CREATED: Oct 15 2012
A FIFO design useful in gluing the FDMDV modem and codec together in
integrated applications.
The name codec2_fifo.h is used to make it unique when "make
installed".
\*---------------------------------------------------------------------------*/
/*
Copyright (C) 2012 David Rowe
All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 2.1, as
published by the Free Software Foundation. This program is
distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __FIFO__
#define __FIFO__
#ifdef __cplusplus
extern "C" {
#endif
struct FIFO;
struct FIFO *codec2_fifo_create(int nshort);
struct FIFO *codec2_fifo_create_buf(int nshort, short *buf);
void codec2_fifo_destroy(struct FIFO *fifo);
int codec2_fifo_write(struct FIFO *fifo, short data[], int n);
int codec2_fifo_read(struct FIFO *fifo, short data[], int n);
/* Return the number of bytes stored in the FIFO */
int codec2_fifo_used(const struct FIFO *const fifo);
/* Return the space available in the FIFO */
int codec2_fifo_free(const struct FIFO *const fifo);
#ifdef __cplusplus
}
#endif
#endif
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