Add functions to detect HR/FR SID frames
Add functions which check if given FR or HR frame (packed in RTP)
contains SID (SIlence Descriptor) and corresponding tests.
Related: OS#22
Change-Id: I4051e3c0d4fb9ee93d7e9e0ef4abaf9f18e227ca
Reviewed-on: https://gerrit.osmocom.org/160
Tested-by: Jenkins Builder
Reviewed-by: Harald Welte <laforge@gnumonks.org>
diff --git a/include/osmocom/codec/codec.h b/include/osmocom/codec/codec.h
index b7bcc78..f7a8ad9 100644
--- a/include/osmocom/codec/codec.h
+++ b/include/osmocom/codec/codec.h
@@ -1,6 +1,7 @@
#pragma once
#include <stdint.h>
+#include <stdbool.h>
#include <osmocom/core/utils.h>
@@ -41,6 +42,8 @@
AMR_GOOD = 1
};
+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,
enum osmo_amr_quality bfi);
int osmo_amr_rtp_dec(const uint8_t *payload, int payload_len, uint8_t *cmr,