diff options
| author | Max <msuraev@sysmocom.de> | 2016-09-27 13:51:51 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2016-09-28 10:34:02 +0000 |
| commit | 74a8f0831dbcbe40694d19dcf173185593f91be2 (patch) | |
| tree | b4c30e9cdac653e65147ead9715485def7c0f124 /include/osmocom | |
| parent | 8a3409c4b7fefe4333b619498f2cad0c7c3ae81c (diff) | |
AMR: add function to check speech frames
Add convenience function osmo_amr_is_speech() to check if given AMR
frame is speech frame: non-speech frames often require special
processing.
Change-Id: Ifaab02a2f581acc302b367d34fd2fc28a4d1e2e3
Diffstat (limited to 'include/osmocom')
| -rw-r--r-- | include/osmocom/codec/codec.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/osmocom/codec/codec.h b/include/osmocom/codec/codec.h index f7a8ad96..74eca461 100644 --- a/include/osmocom/codec/codec.h +++ b/include/osmocom/codec/codec.h @@ -42,6 +42,27 @@ enum osmo_amr_quality { AMR_GOOD = 1 }; +/*! \brief Check if given AMR Frame Type is a speech frame + * \param[in] ft AMR Frame Type + * \returns true if AMR with given Frame Type contains voice, false otherwise + */ +inline bool osmo_amr_is_speech(enum osmo_amr_type ft) +{ + switch (ft) { + case AMR_4_75: + case AMR_5_15: + case AMR_5_90: + case AMR_6_70: + case AMR_7_40: + case AMR_7_95: + case AMR_10_2: + case AMR_12_2: + return true; + default: + return false; + } +} + bool osmo_fr_check_sid(uint8_t *rtp_payload, size_t payload_len); bool osmo_hr_check_sid(uint8_t *rtp_payload, size_t payload_len); int osmo_amr_rtp_enc(uint8_t *payload, uint8_t cmr, enum osmo_amr_type ft, |