epan/dissectors/packet-amr.h

   1 /* packet-amr.h
   2  *
   3  * Adaptive Multi-Rate (AMR) speech codec 3GPP TS 26.101
   4  *
   5  * (C) 2024 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #ifndef __PACKET_AMR_H__
  11 #define __PACKET_AMR_H__
  12
  13 #include "config.h"
  14
  15 #include <stddef.h>
  16 #include <stdint.h>
  17
  18 #include "ws_symbol_export.h"
  19
  20 /* According to TS 26.101 Table A.1b: */
  21 #define AMR_FT_0                0       /* 4.75 */
  22 #define AMR_FT_1                1       /* 5.15 */
  23 #define AMR_FT_2                2       /* 5.90 */
  24 #define AMR_FT_3                3       /* 6.70 */
  25 #define AMR_FT_4                4       /* 7.40 */
  26 #define AMR_FT_5                5       /* 7.95 */
  27 #define AMR_FT_6                6       /* 10.2 */
  28 #define AMR_FT_7                7       /* 12.2 */
  29 #define AMR_FT_SID              8       /* AMR SID */
  30 #define AMR_FT_GSM_EFR_SID      9       /* GSM-EFR SID */
  31 #define AMR_FT_TDMA_EFR_SID     10      /* TDMA-EFR SID */
  32 #define AMR_FT_PDC_EFR_SID      11      /* PDC-EFR SID */
  33 /* version 16.0.0 Release 16: 12-14 for future use */
  34 #define AMR_FT_NO_DATA          15      /* NO_DATA */
  35
  36 /* 1B Payload Header + 1B ToC: */
  37 #define AMR_NB_OA_HDR_LEN 2
  38
  39 WS_DLL_PUBLIC
  40 int amr_nb_bytes_to_ft(uint8_t bytes);
  41
  42 #endif /*__PACKET_AMR_H__*/