Sylvain Munaut | 12ba778 | 2014-06-16 10:13:40 +0200 | [diff] [blame] | 1 | #pragma once |
Sylvain Munaut | 1a4ea5b | 2010-10-08 15:09:16 +0200 | [diff] [blame] | 2 | |
| 3 | #include <stdint.h> |
Max | ec8f192 | 2016-05-31 14:50:21 +0200 | [diff] [blame] | 4 | #include <stdbool.h> |
Sylvain Munaut | 1a4ea5b | 2010-10-08 15:09:16 +0200 | [diff] [blame] | 5 | |
Max | 92db150 | 2016-05-25 18:13:51 +0200 | [diff] [blame] | 6 | #include <osmocom/core/utils.h> |
| 7 | |
Diego Elio Pettenò | 23431c7 | 2012-06-29 13:01:27 -0700 | [diff] [blame] | 8 | extern const uint16_t gsm610_bitorder[]; /* FR */ |
| 9 | extern const uint16_t gsm620_unvoiced_bitorder[]; /* HR unvoiced */ |
| 10 | extern const uint16_t gsm620_voiced_bitorder[]; /* HR voiced */ |
| 11 | extern const uint16_t gsm660_bitorder[]; /* EFR */ |
Sylvain Munaut | 1a4ea5b | 2010-10-08 15:09:16 +0200 | [diff] [blame] | 12 | |
Diego Elio Pettenò | 23431c7 | 2012-06-29 13:01:27 -0700 | [diff] [blame] | 13 | extern const uint16_t gsm690_12_2_bitorder[]; /* AMR 12.2 kbits */ |
| 14 | extern const uint16_t gsm690_10_2_bitorder[]; /* AMR 10.2 kbits */ |
| 15 | extern const uint16_t gsm690_7_95_bitorder[]; /* AMR 7.95 kbits */ |
| 16 | extern const uint16_t gsm690_7_4_bitorder[]; /* AMR 7.4 kbits */ |
| 17 | extern const uint16_t gsm690_6_7_bitorder[]; /* AMR 6.7 kbits */ |
| 18 | extern const uint16_t gsm690_5_9_bitorder[]; /* AMR 5.9 kbits */ |
| 19 | extern const uint16_t gsm690_5_15_bitorder[]; /* AMR 5.15 kbits */ |
| 20 | extern const uint16_t gsm690_4_75_bitorder[]; /* AMR 4.75 kbits */ |
Max | 92db150 | 2016-05-25 18:13:51 +0200 | [diff] [blame] | 21 | |
| 22 | extern const struct value_string osmo_amr_type_names[]; |
| 23 | |
| 24 | enum osmo_amr_type { |
| 25 | AMR_4_75 = 0, |
| 26 | AMR_5_15 = 1, |
| 27 | AMR_5_90 = 2, |
| 28 | AMR_6_70 = 3, |
| 29 | AMR_7_40 = 4, |
| 30 | AMR_7_95 = 5, |
| 31 | AMR_10_2 = 6, |
| 32 | AMR_12_2 = 7, |
| 33 | AMR_SID = 8, |
| 34 | AMR_GSM_EFR_SID = 9, |
| 35 | AMR_TDMA_EFR_SID = 10, |
| 36 | AMR_PDC_EFR_SID = 11, |
| 37 | AMR_NO_DATA = 15, |
| 38 | }; |
| 39 | |
| 40 | enum osmo_amr_quality { |
| 41 | AMR_BAD = 0, |
| 42 | AMR_GOOD = 1 |
| 43 | }; |
| 44 | |
Max | 74a8f08 | 2016-09-27 13:51:51 +0200 | [diff] [blame] | 45 | /*! \brief Check if given AMR Frame Type is a speech frame |
| 46 | * \param[in] ft AMR Frame Type |
| 47 | * \returns true if AMR with given Frame Type contains voice, false otherwise |
| 48 | */ |
Max | 2bb65be | 2016-09-28 15:38:55 +0200 | [diff] [blame] | 49 | static inline bool osmo_amr_is_speech(enum osmo_amr_type ft) |
Max | 74a8f08 | 2016-09-27 13:51:51 +0200 | [diff] [blame] | 50 | { |
| 51 | switch (ft) { |
| 52 | case AMR_4_75: |
| 53 | case AMR_5_15: |
| 54 | case AMR_5_90: |
| 55 | case AMR_6_70: |
| 56 | case AMR_7_40: |
| 57 | case AMR_7_95: |
| 58 | case AMR_10_2: |
| 59 | case AMR_12_2: |
| 60 | return true; |
| 61 | default: |
| 62 | return false; |
| 63 | } |
| 64 | } |
| 65 | |
Max | ec8f192 | 2016-05-31 14:50:21 +0200 | [diff] [blame] | 66 | bool osmo_fr_check_sid(uint8_t *rtp_payload, size_t payload_len); |
| 67 | bool osmo_hr_check_sid(uint8_t *rtp_payload, size_t payload_len); |
Max | 92db150 | 2016-05-25 18:13:51 +0200 | [diff] [blame] | 68 | int osmo_amr_rtp_enc(uint8_t *payload, uint8_t cmr, enum osmo_amr_type ft, |
| 69 | enum osmo_amr_quality bfi); |
| 70 | int osmo_amr_rtp_dec(const uint8_t *payload, int payload_len, uint8_t *cmr, |
| 71 | int8_t *cmi, enum osmo_amr_type *ft, |
| 72 | enum osmo_amr_quality *bfi, int8_t *sti); |