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Hello Jenkins Builder, laforge, pespin, dexter,
I'd like you to reexamine a change. Please visit
https://gerrit.osmocom.org/c/osmo-bts/+/27430
to look at the new patch set (#6).
Change subject: osmo-bts-trx: rx_tchh_fn(): fix HR SID detection (wrong offset)
......................................................................
osmo-bts-trx: rx_tchh_fn(): fix HR SID detection (wrong offset)
According to RFC5993, which is referenced by 3GPP TS 48.103, the
complete RTP HR payload consists of a Table-of-Contents (ToC) byte
followed by the 14 bytes of the HR codec frame. See section 5.2.
gsm0503_tch_hr_decode() outputs frames in the RTP format with
length of 15 bytes (120 bits): 1 (ToC) + 14 (HR frame):
+-------------+-------------------------
| ToC section | HR codec frame ...
+-------------+-------------------------
osmo_hr_check_sid() expects a HR codec frame of 14 bytes (112 bits)
as the input, so we should skip the ToC section when calling it.
Change-Id: Ie5fa776dcb2b2203a97aed56ecbf2450af7d87c1
Related: SYS#5853
---
M src/osmo-bts-trx/sched_lchan_tchh.c
1 file changed, 4 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/30/27430/6
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: Ie5fa776dcb2b2203a97aed56ecbf2450af7d87c1
Gerrit-Change-Number: 27430
Gerrit-PatchSet: 6
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