43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
|
/*
|
||
|
|
* (C) 2012 by Pablo Neira Ayuso <pablo@gnumonks.org>
|
||
|
|
* (C) 2012 by On Waves ehf <http://www.on-waves.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <osmocom/netif/amr.h>
|
||
|
|
|
||
|
|
/* According to TS 26.101:
|
||
|
|
*
|
||
|
|
* Frame type AMR code bits bytes
|
||
|
|
* 0 4.75 95 12
|
||
|
|
* 1 5.15 103 13
|
||
|
|
* 2 5.90 118 15
|
||
|
|
* 3 6.70 134 17
|
||
|
|
* 4 7.40 148 19
|
||
|
|
* 5 7.95 159 20
|
||
|
|
* 6 10.20 204 26
|
||
|
|
* 7 12.20 244 31
|
||
|
|
*/
|
||
|
|
|
||
|
|
static size_t amr_cmr_to_bytes[AMR_CMR_MAX] = {
|
||
|
|
[AMR_CMR_0] = 12,
|
||
|
|
[AMR_CMR_1] = 13,
|
||
|
|
[AMR_CMR_2] = 15,
|
||
|
|
[AMR_CMR_3] = 17,
|
||
|
|
[AMR_CMR_4] = 19,
|
||
|
|
[AMR_CMR_5] = 20,
|
||
|
|
[AMR_CMR_6] = 26,
|
||
|
|
[AMR_CMR_7] = 31,
|
||
|
|
};
|
||
|
|
|
||
|
|
size_t osmo_amr_bytes(uint8_t amr_cmr)
|
||
|
|
{
|
||
|
|
return amr_cmr_to_bytes[amr_cmr];
|
||
|
|
}
|