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freeswitch/libs/spandsp
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Natanael Copa 317f4b1442 Fix building with musl libc 
POSIX says poll.h and signal.h should not be prefixed with sys/ (ie
poll.h instead of sys/poll.h)

limits.h also defines a TZNAME_MAX so we change name of the define for
spandsp.
2014-05-02 11:20:36 -04:00
..
config add to make sure config dir is there for AC_CONFIG_AUX_DIR 2012-07-02 17:46:21 -04:00
debian update to snapshot spandsp-20090421 2009-04-20 18:33:33 +00:00
doc Improvements to image translation 2012-08-14 22:32:30 +08:00
m4 Fixed poor checking for ARM NEON 2014-01-17 23:16:23 +08:00
spandsp Tweaks to FAX modem handling. These do NOT fix the occassional crashes people 2013-12-05 21:10:57 +08:00
spandsp-sim A cleanup of FAX image size/resolution matching accuracy. Squashing of bi-level 2013-08-06 02:38:06 +08:00
src Fix building with musl libc 2014-05-02 11:20:36 -04:00
test-data Reworked some of the definition names and values in preparation for 2013-07-24 11:58:36 +08:00
tests Removal of some pointless callback parameters in the spandsp AT command 2014-01-16 00:47:29 +08:00
.gitignore .gitignore 2014-01-29 17:56:51 -05:00
.update force rebuild 2011-12-06 17:56:11 -06:00
AUTHORS inital checkin of spandsp from http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20080829.tar.gz 2008-09-03 19:02:00 +00:00
autogen.sh Fixed V.22bis fixed point builds 2012-08-05 18:39:41 +08:00
ChangeLog inital checkin of spandsp from http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20080829.tar.gz 2008-09-03 19:02:00 +00:00
configure.ac do set compiler flag that compiler doesn't support 2014-04-30 08:33:09 -04:00
configure.gnu fix calling of sub configure.gnu files during --srcdir build (FSBUILD-211) 2009-11-24 23:04:21 +00:00
COPYING inital checkin of spandsp from http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20080829.tar.gz 2008-09-03 19:02:00 +00:00
DueDiligence inital checkin of spandsp from http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20080829.tar.gz 2008-09-03 19:02:00 +00:00
Makefile.am Tweaks to spandsp configuration 2013-09-01 00:36:48 +08:00
NEWS inital checkin of spandsp from http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20080829.tar.gz 2008-09-03 19:02:00 +00:00
README Allow writing of T.85 format TIFF files 2013-04-13 01:46:14 +08:00
README.testdata inital checkin of spandsp from http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20080829.tar.gz 2008-09-03 19:02:00 +00:00
spandsp.pc.in Various little tweaks to spandsp to stop warnings with newer compilers 2012-07-02 21:31:04 +08:00
spandsp.spec Tweaks to spandsp configuration 2013-09-01 00:36:48 +08:00
spandsp.spec.in Various little tweaks to spandsp to stop warnings with newer compilers 2012-07-02 21:31:04 +08:00
unpack_g722_data.sh Moved spandsp to a more recent version. A huge number of little changes occur here, as recently spandsp 2010-07-25 03:29:44 +08:00
unpack_g726_data.sh Moved spandsp to a more recent version. A huge number of little changes occur here, as recently spandsp 2010-07-25 03:29:44 +08:00
unpack_gsm0610_data.sh FS-4751 I am leaving out the one for devel-bootstrap.sh because I am not sure it should be /usr/pkg/bin/bash 2012-10-23 12:23:19 -04:00
unpack_v56ter_data.sh Moved spandsp to a more recent version. A huge number of little changes occur here, as recently spandsp 2010-07-25 03:29:44 +08:00
wrapper.xsl Numerous little changes to spandsp that haven't been pushed to Freeswitch for a 2011-07-02 14:45:27 +08:00
yum-prepare.sh Tweaks to spandsp configuration 2013-09-01 00:36:48 +08:00

README 

spandsp 0.0.6 - A DSP library for telephony
-------------------------------------------

SpanDSP is a library of DSP functions for telephony, in the 8000 sample per
second world of E1s, T1s, and higher order PCM channels. It contains low level
functions, such as basic filters. It also contains higher level functions, such
as cadenced supervisory tone detection, and a complete software FAX machine.
The software has been designed to avoid intellectual property issues, using
mature techniques where all relevant patents have expired. See the file
DueDiligence for important information about these intellectual property issues.

The library is licenced under the LGPL 2.1 licence. The test suite, and some support
programs are licenced under the GPL 2 licence. The full text of these licences can
be found in the file COPYING.

Dependencies
------------

spandsp depends on various other packages for various tasks. Most of these
dependencies relate to building the test suite.

libtiff (and libtiff-devel on most Linux distributions) is required to
build the spandsp library.

libaudiofile (and libaudiofile-devel) is required to build the test suite
fftw (and fftw-devel) is required to build the test suite. Version 2 or 3 of
FFTW may be used. Spandsp adapts to the differences between them.

fltk (and fltk-devel), Fl_Cartesian and Fl_Audio_Meter are required to build
the test suite with GUI interfaces for some of the tests. The tests will build
without these packages, but the GUI features will not be available.
Fl_Cartesian and Fl_Audio_Meter can be downloaded from
http://www.soft-switch.org/downloads.

Steve Underwood <steveu@coppice.org>