forked from Mirrors/freeswitch
76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/*
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* broadvoice - a library for the BroadVoice 16 and 32 codecs
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*
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* g192_bit_stream.h
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*
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* Copyright 2008-2009 Steve Underwood <steveu@coppice.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*! \file */
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#if !defined(_G192_BIT_STREAM_H_)
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#define _G192_BIT_STREAM_H_
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/*! \page g192_bit_stream_page ITU G.192 codec bit stream handling
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\section g192_bit_stream_page_sec_1 What does it do?
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\section g192_bit_stream_page_sec_2 How does it work?
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*/
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enum
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{
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ITU_CODEC_BITSTREAM_PACKED = 0,
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ITU_CODEC_BITSTREAM_G192 = 1
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};
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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/*! \brief Write a frame of data to an output file.
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\param out_data The buffer for the data to be written.
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\param number_of_bits The number of bits to be written.
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\param mode 0 = continuous, 1 = ITU G.192 codec bitstream format.
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\param fp_bitstream The file context to be written to.
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\return The number of words written. */
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int itu_codec_bitstream_write(const uint8_t out_data[],
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int number_of_bits,
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int mode,
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FILE *fp_bitstream);
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/*! \brief Read a frame of data from an input file.
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\param in_data The buffer for the data to be read.
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\param p_erasure Set to TRUE if there is a frame erasure, else set to FALSE.
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\param number_of_bits The number of bits to be read.
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\param mode 0 = continuous, 1 = ITU G.192 codec bitstream format.
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\param fp_bitstream The file context to be read from.
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\return The number of words read. */
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int itu_codec_bitstream_read(uint8_t in_data[],
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int16_t *p_erasure,
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int number_of_bits,
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int mode,
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FILE *fp_bitstream);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/*- End of file ------------------------------------------------------------*/
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