1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
|
/*
* FILE: channel_types.h
* AUTHOR(S): Orion Hodson
*
*
* Copyright (c) 1999-2001 University College London
* All rights reserved.
*
* $Id: channel_types.h,v 1.18 2001/01/08 20:29:54 ucaccsp Exp $
*/
#ifndef __CHANNEL_TYPES_H__
#define __CHANNEL_TYPES_H__
/* Channel coder description information */
typedef uint32_t cc_id_t;
#define CC_NAME_LENGTH 32
typedef struct {
cc_id_t descriptor;
const char name[CC_NAME_LENGTH];
} cc_details_t;
/* In and out unit types. On input channel encoder takes a playout buffer
* of media_units and puts channel_units on the output playout buffer
*/
#define MAX_CHANNEL_UNITS 20
#define MAX_UNITS_PER_PACKET 8
typedef struct {
uint8_t pt;
u_char *data;
uint32_t data_len; /* This is the length for processing purposes */
} channel_unit;
typedef struct {
uint8_t nelem;
channel_unit *elem[MAX_CHANNEL_UNITS];
} channel_data;
int channel_data_create (channel_data **cd,
int nelem);
void channel_data_destroy (channel_data **cd,
uint32_t cdsize);
uint32_t channel_data_bytes(channel_data *cd);
#endif /* __CHANNEL_TYPES_H__ */
|