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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/libosmocore/commit/?id=40def49ac4b8babbd1b17c232137ce50a428706b
commit 40def49ac4b8babbd1b17c232137ce50a428706b
Author: Philipp Maier <pmaier at sysmocom.de>
Date: Sat Dec 16 03:42:15 2017 +0700
libosmocodec: implement ECU (Error Concealment Unit) for FR
When a bad GSM voice frame is received, it's being replaced
by a silence frame. This may cause unpleasant audio effects.
This change implements a functionality to craft a replacement
frame from the last known good frame. Currently, only FR is
supported, support for other codecs may be added latter.
Change-Id: I06a21f60db01bfe1c2b838f93866fad1d53fdcd1
-----------------------------------------------------------------------
Summary of changes:
TODO-RELEASE | 1 +
include/Makefile.am | 1 +
include/osmocom/codec/ecu.h | 15 +++
src/codec/Makefile.am | 2 +-
src/codec/ecu_fr.c | 165 +++++++++++++++++++++++++++++++++
tests/Makefile.am | 10 +-
tests/codec/codec_ecu_fr_test.c | 146 +++++++++++++++++++++++++++++
tests/codec/codec_ecu_fr_test.ok | 192 +++++++++++++++++++++++++++++++++++++++
tests/testsuite.at | 6 ++
9 files changed, 535 insertions(+), 3 deletions(-)
create mode 100644 include/osmocom/codec/ecu.h
create mode 100644 src/codec/ecu_fr.c
create mode 100644 tests/codec/codec_ecu_fr_test.c
create mode 100644 tests/codec/codec_ecu_fr_test.ok
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An utility library for Open Source Mobile Communications