18 Feb
2016
18 Feb
'16
7:45 p.m.
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/libosmocore/commit/?id=5c18e26bc291766b0de22223abcf…
commit 5c18e26bc291766b0de22223abcf340bc48e3157
Author: Max <msuraev(a)sysmocom.de>
Date: Fri Feb 5 13:55:38 2016 +0100
Add T4 bit map compression routines
Add bit map encoder and decoder functions: decoder is fully functional
while encoder is good enough for testing - no backtracking to find
the best possible compression is implemented. If somebody is willing to
implement MS side of EDGE than this has to be expanded.
Add corresponding tests.
N. B: the encoding is implemented according to ETSI TS 44.060 which is
slightly different from T4 used for fax according to CCITT G31D (RFC 804).
Ticket: OW#2407
Sponsored-by: On-Waves ehf
Signed-off-by: Max <msuraev(a)sysmocom.de>
http://cgit.osmocom.org/libosmocore/commit/?id=0a59e9899f4dd4213dc72d535f0b…
commit 0a59e9899f4dd4213dc72d535f0b9d5382dc7eb7
Author: Max <msuraev(a)sysmocom.de>
Date: Fri Feb 5 13:55:37 2016 +0100
Expand bitvec interface
Add bit filling, shifting and other functions necessary for bit
compression implementation. Add corresponding tests.
-----------------------------------------------------------------------
Summary of changes:
.gitignore | 1 +
include/Makefile.am | 1 +
include/osmocom/core/{crcgen.h => bitcomp.h} | 30 +-
include/osmocom/core/bitvec.h | 9 +
src/Makefile.am | 2 +-
src/bitcomp.c | 480 +++++++++++++++++++++++++++
src/bitvec.c | 134 +++++++-
tests/Makefile.am | 7 +-
tests/bits/bitcomp_test.c | 66 ++++
tests/bits/bitcomp_test.ok | 29 ++
tests/bitvec/bitvec_test.c | 141 +++++++-
tests/bitvec/bitvec_test.ok | 119 +++++++
tests/testsuite.at | 6 +
13 files changed, 1002 insertions(+), 23 deletions(-)
copy include/osmocom/core/{crcgen.h => bitcomp.h} (66%)
create mode 100644 src/bitcomp.c
create mode 100644 tests/bits/bitcomp_test.c
create mode 100644 tests/bits/bitcomp_test.ok
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--
An utility library for Open Source Mobile Communications