g192_bit_stream.c File Reference

#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <audiofile.h>
#include "g192_bit_stream.h"

Enumerations
enum	{   G192_FRAME_ERASURE = 0x6B20 , G192_FRAME_SYNC_1 = 0x6B21 , G192_FRAME_SYNC_2 = 0x6B22 , G192_FRAME_SYNC_3 = 0x6B23 ,   G192_FRAME_SYNC_4 = 0x6B24 , G192_FRAME_SYNC_5 = 0x6B25 , G192_FRAME_SYNC_6 = 0x6B26 , G192_FRAME_SYNC_7 = 0x6B27 ,   G192_FRAME_SYNC_8 = 0x6B28 , G192_FRAME_SYNC_9 = 0x6B29 , G192_FRAME_SYNC_10 = 0x6B2A , G192_FRAME_SYNC_11 = 0x6B2B ,   G192_FRAME_SYNC_12 = 0x6B2C , G192_FRAME_SYNC_13 = 0x6B2D , G192_FRAME_SYNC_14 = 0x6B2E , G192_FRAME_SYNC_15 = 0x6B2F ,   G192_HARD_ZERO = 0x7F , G192_INDETERMINATE = 0x00 , G192_HARD_ONE = 0x81 }

Functions
void	itu_codec_bitstream_write (const uint8_t out_data[], int number_of_bits, int mode, FILE *fp_bitstream)
	Write a frame of data to an output file.
int	itu_codec_bitstream_read (uint8_t in_data[], int16_t *frame_error_flag, int number_of_bits, int mode, FILE *fp_bitstream)
	Read a frame of data from an input file.

Function Documentation

itu_codec_bitstream_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
	)

Read a frame of data from an input file.

Parameters

in_data	The buffer for the data to be read.
p_frame_error_flags	???.
number_of_bits	The number of bits to be read.
mode	0 = continuous, 1 = ITU G.192 codec bitstream format.
fp_bitstream	The file context to be read from.

Returns

The number of words read.

itu_codec_bitstream_write()

void itu_codec_bitstream_write	(	const uint8_t	out_data[],
		int	number_of_bits,
		int	mode,
		FILE *	fp_bitstream
	)

Write a frame of data to an output file.

Parameters

out_data	The buffer for the data to be written.
number_of_bits	The number of bits to be written.
mode	0 = continuous, 1 = ITU G.192 codec bitstream format.
fp_bitstream	The file context to be written to.