freeswitch/libs/broadvoice/tests/g192_bit_stream.h

77 lines
2.5 KiB
C

/*
* broadvoice - a library for the BroadVoice 16 and 32 codecs
*
* g192_bit_stream.h
*
* Copyright 2008-2009 Steve Underwood <steveu@coppice.org>
*
* 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 Lesser 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: g192_bit_stream.h,v 1.1.1.1 2009/11/19 12:10:48 steveu Exp $
*/
/*! \file */
#if !defined(_G192_BIT_STREAM_H_)
#define _G192_BIT_STREAM_H_
/*! \page g192_bit_stream_page ITU G.192 codec bit stream handling
\section g192_bit_stream_page_sec_1 What does it do?
\section g192_bit_stream_page_sec_2 How does it work?
*/
enum
{
ITU_CODEC_BITSTREAM_PACKED = 0,
ITU_CODEC_BITSTREAM_G192 = 1
};
#if defined(__cplusplus)
extern "C"
{
#endif
/*! \brief Write a frame of data to an output file.
\param out_data The buffer for the data to be written.
\param number_of_bits The number of bits to be written.
\param mode 0 = continuous, 1 = ITU G.192 codec bitstream format.
\param fp_bitstream The file context to be written to.*/
void itu_codec_bitstream_write(const uint8_t out_data[],
int number_of_bits,
int mode,
FILE *fp_bitstream);
/*! \brief Read a frame of data from an input file.
\param in_data The buffer for the data to be read.
\param p_frame_error_flags ???.
\param number_of_bits The number of bits to be read.
\param mode 0 = continuous, 1 = ITU G.192 codec bitstream format.
\param fp_bitstream The file context to be read from.
\return The number of words read. */
int itu_codec_bitstream_read(uint8_t in_data[],
int16_t *p_frame_error_flag,
int number_of_bits,
int mode,
FILE *fp_bitstream);
#if defined(__cplusplus)
}
#endif
#endif
/*- End of file ------------------------------------------------------------*/