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Add in new tone detection/generation library "libteletone" 

Thanks to coppice, trixter, mikej and bkw for research, hints and or code examples.



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@629 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2006-02-19 20:28:24 +00:00
parent cf203f5b71
commit b3b8dc6eae
24 changed files with 42751 additions and 0 deletions
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The Initial Developer of the Original Code is
Anthony Minessale II <anthmct@yahoo.com>
Portions created by the Initial Developer are Copyright (C)
the Initial Developer. All Rights Reserved.
The PRIMARY AUTHORS are (and/or have been):
Anthony Minessale II <anthmct@yahoo.com> - Primary developer of all core components
and many of the included modules. Much of freeswitch is based on his work.
Michael Jerris <mike@jerris.com> - Windows porter and responsible for the
windows\msvc build system.
And here is an inevitably incomplete list of MUCH-APPRECIATED CONTRIBUTORS --
people who have submitted patches, reported bugs, and generally made Freeswitch
that much better:

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MOZILLA PUBLIC LICENSE
Version 1.1
---------------
1. Definitions.
1.0.1. "Commercial Use" means distribution or otherwise making the
Covered Code available to a third party.
1.1. "Contributor" means each entity that creates or contributes to
the creation of Modifications.
1.2. "Contributor Version" means the combination of the Original
Code, prior Modifications used by a Contributor, and the Modifications
made by that particular Contributor.
1.3. "Covered Code" means the Original Code or Modifications or the
combination of the Original Code and Modifications, in each case
including portions thereof.
1.4. "Electronic Distribution Mechanism" means a mechanism generally
accepted in the software development community for the electronic
transfer of data.
1.5. "Executable" means Covered Code in any form other than Source
Code.
1.6. "Initial Developer" means the individual or entity identified
as the Initial Developer in the Source Code notice required by Exhibit
A.
1.7. "Larger Work" means a work which combines Covered Code or
portions thereof with code not governed by the terms of this License.
1.8. "License" means this document.
1.8.1. "Licensable" means having the right to grant, to the maximum
extent possible, whether at the time of the initial grant or
subsequently acquired, any and all of the rights conveyed herein.
1.9. "Modifications" means any addition to or deletion from the
substance or structure of either the Original Code or any previous
Modifications. When Covered Code is released as a series of files, a
Modification is:
A. Any addition to or deletion from the contents of a file
containing Original Code or previous Modifications.
B. Any new file that contains any part of the Original Code or
previous Modifications.
1.10. "Original Code" means Source Code of computer software code
which is described in the Source Code notice required by Exhibit A as
Original Code, and which, at the time of its release under this
License is not already Covered Code governed by this License.
1.10.1. "Patent Claims" means any patent claim(s), now owned or
hereafter acquired, including without limitation, method, process,
and apparatus claims, in any patent Licensable by grantor.
1.11. "Source Code" means the preferred form of the Covered Code for
making modifications to it, including all modules it contains, plus
any associated interface definition files, scripts used to control
compilation and installation of an Executable, or source code
differential comparisons against either the Original Code or another
well known, available Covered Code of the Contributor's choice. The
Source Code can be in a compressed or archival form, provided the
appropriate decompression or de-archiving software is widely available
for no charge.
1.12. "You" (or "Your") means an individual or a legal entity
exercising rights under, and complying with all of the terms of, this
License or a future version of this License issued under Section 6.1.
For legal entities, "You" includes any entity which controls, is
controlled by, or is under common control with You. For purposes of
this definition, "control" means (a) the power, direct or indirect,
to cause the direction or management of such entity, whether by
contract or otherwise, or (b) ownership of more than fifty percent
(50%) of the outstanding shares or beneficial ownership of such
entity.
2. Source Code License.
2.1. The Initial Developer Grant.
The Initial Developer hereby grants You a world-wide, royalty-free,
non-exclusive license, subject to third party intellectual property
claims:
(a) under intellectual property rights (other than patent or
trademark) Licensable by Initial Developer to use, reproduce,
modify, display, perform, sublicense and distribute the Original
Code (or portions thereof) with or without Modifications, and/or
as part of a Larger Work; and
(b) under Patents Claims infringed by the making, using or
selling of Original Code, to make, have made, use, practice,
sell, and offer for sale, and/or otherwise dispose of the
Original Code (or portions thereof).
(c) the licenses granted in this Section 2.1(a) and (b) are
effective on the date Initial Developer first distributes
Original Code under the terms of this License.
(d) Notwithstanding Section 2.1(b) above, no patent license is
granted: 1) for code that You delete from the Original Code; 2)
separate from the Original Code; or 3) for infringements caused
by: i) the modification of the Original Code or ii) the
combination of the Original Code with other software or devices.
2.2. Contributor Grant.
Subject to third party intellectual property claims, each Contributor
hereby grants You a world-wide, royalty-free, non-exclusive license
(a) under intellectual property rights (other than patent or
trademark) Licensable by Contributor, to use, reproduce, modify,
display, perform, sublicense and distribute the Modifications
created by such Contributor (or portions thereof) either on an
unmodified basis, with other Modifications, as Covered Code
and/or as part of a Larger Work; and
(b) under Patent Claims infringed by the making, using, or
selling of Modifications made by that Contributor either alone
and/or in combination with its Contributor Version (or portions
of such combination), to make, use, sell, offer for sale, have
made, and/or otherwise dispose of: 1) Modifications made by that
Contributor (or portions thereof); and 2) the combination of
Modifications made by that Contributor with its Contributor
Version (or portions of such combination).
(c) the licenses granted in Sections 2.2(a) and 2.2(b) are
effective on the date Contributor first makes Commercial Use of
the Covered Code.
(d) Notwithstanding Section 2.2(b) above, no patent license is
granted: 1) for any code that Contributor has deleted from the
Contributor Version; 2) separate from the Contributor Version;
3) for infringements caused by: i) third party modifications of
Contributor Version or ii) the combination of Modifications made
by that Contributor with other software (except as part of the
Contributor Version) or other devices; or 4) under Patent Claims
infringed by Covered Code in the absence of Modifications made by
that Contributor.
3. Distribution Obligations.
3.1. Application of License.
The Modifications which You create or to which You contribute are
governed by the terms of this License, including without limitation
Section 2.2. The Source Code version of Covered Code may be
distributed only under the terms of this License or a future version
of this License released under Section 6.1, and You must include a
copy of this License with every copy of the Source Code You
distribute. You may not offer or impose any terms on any Source Code
version that alters or restricts the applicable version of this
License or the recipients' rights hereunder. However, You may include
an additional document offering the additional rights described in
Section 3.5.
3.2. Availability of Source Code.
Any Modification which You create or to which You contribute must be
made available in Source Code form under the terms of this License
either on the same media as an Executable version or via an accepted
Electronic Distribution Mechanism to anyone to whom you made an
Executable version available; and if made available via Electronic
Distribution Mechanism, must remain available for at least twelve (12)
months after the date it initially became available, or at least six
(6) months after a subsequent version of that particular Modification
has been made available to such recipients. You are responsible for
ensuring that the Source Code version remains available even if the
Electronic Distribution Mechanism is maintained by a third party.
3.3. Description of Modifications.
You must cause all Covered Code to which You contribute to contain a
file documenting the changes You made to create that Covered Code and
the date of any change. You must include a prominent statement that
the Modification is derived, directly or indirectly, from Original
Code provided by the Initial Developer and including the name of the
Initial Developer in (a) the Source Code, and (b) in any notice in an
Executable version or related documentation in which You describe the
origin or ownership of the Covered Code.
3.4. Intellectual Property Matters
(a) Third Party Claims.
If Contributor has knowledge that a license under a third party's
intellectual property rights is required to exercise the rights
granted by such Contributor under Sections 2.1 or 2.2,
Contributor must include a text file with the Source Code
distribution titled "LEGAL" which describes the claim and the
party making the claim in sufficient detail that a recipient will
know whom to contact. If Contributor obtains such knowledge after
the Modification is made available as described in Section 3.2,
Contributor shall promptly modify the LEGAL file in all copies
Contributor makes available thereafter and shall take other steps
(such as notifying appropriate mailing lists or newsgroups)
reasonably calculated to inform those who received the Covered
Code that new knowledge has been obtained.
(b) Contributor APIs.
If Contributor's Modifications include an application programming
interface and Contributor has knowledge of patent licenses which
are reasonably necessary to implement that API, Contributor must
also include this information in the LEGAL file.
(c) Representations.
Contributor represents that, except as disclosed pursuant to
Section 3.4(a) above, Contributor believes that Contributor's
Modifications are Contributor's original creation(s) and/or
Contributor has sufficient rights to grant the rights conveyed by
this License.
3.5. Required Notices.
You must duplicate the notice in Exhibit A in each file of the Source
Code. If it is not possible to put such notice in a particular Source
Code file due to its structure, then You must include such notice in a
location (such as a relevant directory) where a user would be likely
to look for such a notice. If You created one or more Modification(s)
You may add your name as a Contributor to the notice described in
Exhibit A. You must also duplicate this License in any documentation
for the Source Code where You describe recipients' rights or ownership
rights relating to Covered Code. You may choose to offer, and to
charge a fee for, warranty, support, indemnity or liability
obligations to one or more recipients of Covered Code. However, You
may do so only on Your own behalf, and not on behalf of the Initial
Developer or any Contributor. You must make it absolutely clear than
any such warranty, support, indemnity or liability obligation is
offered by You alone, and You hereby agree to indemnify the Initial
Developer and every Contributor for any liability incurred by the
Initial Developer or such Contributor as a result of warranty,
support, indemnity or liability terms You offer.
3.6. Distribution of Executable Versions.
You may distribute Covered Code in Executable form only if the
requirements of Section 3.1-3.5 have been met for that Covered Code,
and if You include a notice stating that the Source Code version of
the Covered Code is available under the terms of this License,
including a description of how and where You have fulfilled the
obligations of Section 3.2. The notice must be conspicuously included
in any notice in an Executable version, related documentation or
collateral in which You describe recipients' rights relating to the
Covered Code. You may distribute the Executable version of Covered
Code or ownership rights under a license of Your choice, which may
contain terms different from this License, provided that You are in
compliance with the terms of this License and that the license for the
Executable version does not attempt to limit or alter the recipient's
rights in the Source Code version from the rights set forth in this
License. If You distribute the Executable version under a different
license You must make it absolutely clear that any terms which differ
from this License are offered by You alone, not by the Initial
Developer or any Contributor. You hereby agree to indemnify the
Initial Developer and every Contributor for any liability incurred by
the Initial Developer or such Contributor as a result of any such
terms You offer.
3.7. Larger Works.
You may create a Larger Work by combining Covered Code with other code
not governed by the terms of this License and distribute the Larger
Work as a single product. In such a case, You must make sure the
requirements of this License are fulfilled for the Covered Code.
4. Inability to Comply Due to Statute or Regulation.
If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Code due to
statute, judicial order, or regulation then You must: (a) comply with
the terms of this License to the maximum extent possible; and (b)
describe the limitations and the code they affect. Such description
must be included in the LEGAL file described in Section 3.4 and must
be included with all distributions of the Source Code. Except to the
extent prohibited by statute or regulation, such description must be
sufficiently detailed for a recipient of ordinary skill to be able to
understand it.
5. Application of this License.
This License applies to code to which the Initial Developer has
attached the notice in Exhibit A and to related Covered Code.
6. Versions of the License.
6.1. New Versions.
Netscape Communications Corporation ("Netscape") may publish revised
and/or new versions of the License from time to time. Each version
will be given a distinguishing version number.
6.2. Effect of New Versions.
Once Covered Code has been published under a particular version of the
License, You may always continue to use it under the terms of that
version. You may also choose to use such Covered Code under the terms
of any subsequent version of the License published by Netscape. No one
other than Netscape has the right to modify the terms applicable to
Covered Code created under this License.
6.3. Derivative Works.
If You create or use a modified version of this License (which you may
only do in order to apply it to code which is not already Covered Code
governed by this License), You must (a) rename Your license so that
the phrases "Mozilla", "MOZILLAPL", "MOZPL", "Netscape",
"MPL", "NPL" or any confusingly similar phrase do not appear in your
license (except to note that your license differs from this License)
and (b) otherwise make it clear that Your version of the license
contains terms which differ from the Mozilla Public License and
Netscape Public License. (Filling in the name of the Initial
Developer, Original Code or Contributor in the notice described in
Exhibit A shall not of themselves be deemed to be modifications of
this License.)
7. DISCLAIMER OF WARRANTY.
COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
WITHOUT LIMITATION, WARRANTIES THAT THE COVERED CODE IS FREE OF
DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE OR NON-INFRINGING.
THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED CODE
IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT,
YOU (NOT THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE
COST OF ANY NECESSARY SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER
OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. NO USE OF
ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
8. TERMINATION.
8.1. This License and the rights granted hereunder will terminate
automatically if You fail to comply with terms herein and fail to cure
such breach within 30 days of becoming aware of the breach. All
sublicenses to the Covered Code which are properly granted shall
survive any termination of this License. Provisions which, by their
nature, must remain in effect beyond the termination of this License
shall survive.
8.2. If You initiate litigation by asserting a patent infringement
claim (excluding declatory judgment actions) against Initial Developer
or a Contributor (the Initial Developer or Contributor against whom
You file such action is referred to as "Participant") alleging that:
(a) such Participant's Contributor Version directly or indirectly
infringes any patent, then any and all rights granted by such
Participant to You under Sections 2.1 and/or 2.2 of this License
shall, upon 60 days notice from Participant terminate prospectively,
unless if within 60 days after receipt of notice You either: (i)
agree in writing to pay Participant a mutually agreeable reasonable
royalty for Your past and future use of Modifications made by such
Participant, or (ii) withdraw Your litigation claim with respect to
the Contributor Version against such Participant. If within 60 days
of notice, a reasonable royalty and payment arrangement are not
mutually agreed upon in writing by the parties or the litigation claim
is not withdrawn, the rights granted by Participant to You under
Sections 2.1 and/or 2.2 automatically terminate at the expiration of
the 60 day notice period specified above.
(b) any software, hardware, or device, other than such Participant's
Contributor Version, directly or indirectly infringes any patent, then
any rights granted to You by such Participant under Sections 2.1(b)
and 2.2(b) are revoked effective as of the date You first made, used,
sold, distributed, or had made, Modifications made by that
Participant.
8.3. If You assert a patent infringement claim against Participant
alleging that such Participant's Contributor Version directly or
indirectly infringes any patent where such claim is resolved (such as
by license or settlement) prior to the initiation of patent
infringement litigation, then the reasonable value of the licenses
granted by such Participant under Sections 2.1 or 2.2 shall be taken
into account in determining the amount or value of any payment or
license.
8.4. In the event of termination under Sections 8.1 or 8.2 above,
all end user license agreements (excluding distributors and resellers)
which have been validly granted by You or any distributor hereunder
prior to termination shall survive termination.
9. LIMITATION OF LIABILITY.
UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, WHETHER TORT
(INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL YOU, THE INITIAL
DEVELOPER, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF COVERED CODE,
OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO ANY PERSON FOR
ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY
CHARACTER INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF GOODWILL,
WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL OTHER
COMMERCIAL DAMAGES OR LOSSES, EVEN IF SUCH PARTY SHALL HAVE BEEN
INFORMED OF THE POSSIBILITY OF SUCH DAMAGES. THIS LIMITATION OF
LIABILITY SHALL NOT APPLY TO LIABILITY FOR DEATH OR PERSONAL INJURY
RESULTING FROM SUCH PARTY'S NEGLIGENCE TO THE EXTENT APPLICABLE LAW
PROHIBITS SUCH LIMITATION. SOME JURISDICTIONS DO NOT ALLOW THE
EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO
THIS EXCLUSION AND LIMITATION MAY NOT APPLY TO YOU.
10. U.S. GOVERNMENT END USERS.
The Covered Code is a "commercial item," as that term is defined in
48 C.F.R. 2.101 (Oct. 1995), consisting of "commercial computer
software" and "commercial computer software documentation," as such
terms are used in 48 C.F.R. 12.212 (Sept. 1995). Consistent with 48
C.F.R. 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (June 1995),
all U.S. Government End Users acquire Covered Code with only those
rights set forth herein.
11. MISCELLANEOUS.
This License represents the complete agreement concerning subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. This License shall be governed by
California law provisions (except to the extent applicable law, if
any, provides otherwise), excluding its conflict-of-law provisions.
With respect to disputes in which at least one party is a citizen of,
or an entity chartered or registered to do business in the United
States of America, any litigation relating to this License shall be
subject to the jurisdiction of the Federal Courts of the Northern
District of California, with venue lying in Santa Clara County,
California, with the losing party responsible for costs, including
without limitation, court costs and reasonable attorneys' fees and
expenses. The application of the United Nations Convention on
Contracts for the International Sale of Goods is expressly excluded.
Any law or regulation which provides that the language of a contract
shall be construed against the drafter shall not apply to this
License.
12. RESPONSIBILITY FOR CLAIMS.
As between Initial Developer and the Contributors, each party is
responsible for claims and damages arising, directly or indirectly,
out of its utilization of rights under this License and You agree to
work with Initial Developer and Contributors to distribute such
responsibility on an equitable basis. Nothing herein is intended or
shall be deemed to constitute any admission of liability.
13. MULTIPLE-LICENSED CODE.
Initial Developer may designate portions of the Covered Code as
"Multiple-Licensed". "Multiple-Licensed" means that the Initial
Developer permits you to utilize portions of the Covered Code under
Your choice of the NPL or the alternative licenses, if any, specified
by the Initial Developer in the file described in Exhibit A.
EXHIBIT A -Mozilla Public License.
``The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in
compliance with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS IS"
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
License for the specific language governing rights and limitations
under the License.
The Original Code is ______________________________________.
The Initial Developer of the Original Code is ________________________.
Portions created by ______________________ are Copyright (C) ______
_______________________. All Rights Reserved.
Contributor(s): ______________________________________.
Alternatively, the contents of this file may be used under the terms
of the _____ license (the "[___] License"), in which case the
provisions of [______] License are applicable instead of those
above. If you wish to allow use of your version of this file only
under the terms of the [____] License and not to allow others to use
your version of this file under the MPL, indicate your decision by
deleting the provisions above and replace them with the notice and
other provisions required by the [___] License. If you do not delete
the provisions above, a recipient may use your version of this file
under either the MPL or the [___] License."
[NOTE: The text of this Exhibit A may differ slightly from the text of
the notices in the Source Code files of the Original Code. You should
use the text of this Exhibit A rather than the text found in the
Original Code Source Code for Your Modifications.]

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Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software
Foundation, Inc.
This file is free documentation; the Free Software Foundation gives
unlimited permission to copy, distribute and modify it.
Basic Installation
==================
These are generic installation instructions.
The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation. It uses
those values to create a `Makefile' in each directory of the package.
It may also create one or more `.h' files containing system-dependent
definitions. Finally, it creates a shell script `config.status' that
you can run in the future to recreate the current configuration, and a
file `config.log' containing compiler output (useful mainly for
debugging `configure').
It can also use an optional file (typically called `config.cache'
and enabled with `--cache-file=config.cache' or simply `-C') that saves
the results of its tests to speed up reconfiguring. (Caching is
disabled by default to prevent problems with accidental use of stale
cache files.)
If you need to do unusual things to compile the package, please try
to figure out how `configure' could check whether to do them, and mail
diffs or instructions to the address given in the `README' so they can
be considered for the next release. If you are using the cache, and at
some point `config.cache' contains results you don't want to keep, you
may remove or edit it.
The file `configure.ac' (or `configure.in') is used to create
`configure' by a program called `autoconf'. You only need
`configure.ac' if you want to change it or regenerate `configure' using
a newer version of `autoconf'.
The simplest way to compile this package is:
1. `cd' to the directory containing the package's source code and type
`./configure' to configure the package for your system. If you're
using `csh' on an old version of System V, you might need to type
`sh ./configure' instead to prevent `csh' from trying to execute
`configure' itself.
Running `configure' takes awhile. While running, it prints some
messages telling which features it is checking for.
2. Type `make' to compile the package.
3. Optionally, type `make check' to run any self-tests that come with
the package.
4. Type `make install' to install the programs and any data files and
documentation.
5. You can remove the program binaries and object files from the
source code directory by typing `make clean'. To also remove the
files that `configure' created (so you can compile the package for
a different kind of computer), type `make distclean'. There is
also a `make maintainer-clean' target, but that is intended mainly
for the package's developers. If you use it, you may have to get
all sorts of other programs in order to regenerate files that came
with the distribution.
Compilers and Options
=====================
Some systems require unusual options for compilation or linking that
the `configure' script does not know about. Run `./configure --help'
for details on some of the pertinent environment variables.
You can give `configure' initial values for configuration parameters
by setting variables in the command line or in the environment. Here
is an example:
./configure CC=c89 CFLAGS=-O2 LIBS=-lposix
*Note Defining Variables::, for more details.
Compiling For Multiple Architectures
====================================
You can compile the package for more than one kind of computer at the
same time, by placing the object files for each architecture in their
own directory. To do this, you must use a version of `make' that
supports the `VPATH' variable, such as GNU `make'. `cd' to the
directory where you want the object files and executables to go and run
the `configure' script. `configure' automatically checks for the
source code in the directory that `configure' is in and in `..'.
If you have to use a `make' that does not support the `VPATH'
variable, you have to compile the package for one architecture at a
time in the source code directory. After you have installed the
package for one architecture, use `make distclean' before reconfiguring
for another architecture.
Installation Names
==================
By default, `make install' will install the package's files in
`/usr/local/bin', `/usr/local/man', etc. You can specify an
installation prefix other than `/usr/local' by giving `configure' the
option `--prefix=PATH'.
You can specify separate installation prefixes for
architecture-specific files and architecture-independent files. If you
give `configure' the option `--exec-prefix=PATH', the package will use
PATH as the prefix for installing programs and libraries.
Documentation and other data files will still use the regular prefix.
In addition, if you use an unusual directory layout you can give
options like `--bindir=PATH' to specify different values for particular
kinds of files. Run `configure --help' for a list of the directories
you can set and what kinds of files go in them.
If the package supports it, you can cause programs to be installed
with an extra prefix or suffix on their names by giving `configure' the
option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
Optional Features
=================
Some packages pay attention to `--enable-FEATURE' options to
`configure', where FEATURE indicates an optional part of the package.
They may also pay attention to `--with-PACKAGE' options, where PACKAGE
is something like `gnu-as' or `x' (for the X Window System). The
`README' should mention any `--enable-' and `--with-' options that the
package recognizes.
For packages that use the X Window System, `configure' can usually
find the X include and library files automatically, but if it doesn't,
you can use the `configure' options `--x-includes=DIR' and
`--x-libraries=DIR' to specify their locations.
Specifying the System Type
==========================
There may be some features `configure' cannot figure out
automatically, but needs to determine by the type of machine the package
will run on. Usually, assuming the package is built to be run on the
_same_ architectures, `configure' can figure that out, but if it prints
a message saying it cannot guess the machine type, give it the
`--build=TYPE' option. TYPE can either be a short name for the system
type, such as `sun4', or a canonical name which has the form:
CPU-COMPANY-SYSTEM
where SYSTEM can have one of these forms:
OS KERNEL-OS
See the file `config.sub' for the possible values of each field. If
`config.sub' isn't included in this package, then this package doesn't
need to know the machine type.
If you are _building_ compiler tools for cross-compiling, you should
use the `--target=TYPE' option to select the type of system they will
produce code for.
If you want to _use_ a cross compiler, that generates code for a
platform different from the build platform, you should specify the
"host" platform (i.e., that on which the generated programs will
eventually be run) with `--host=TYPE'.
Sharing Defaults
================
If you want to set default values for `configure' scripts to share,
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$(DISTCHECK_CONFIGURE_FLAGS) \
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|| { echo "ERROR: files left after uninstall:" ; \
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|| { echo "ERROR: files left in build directory after distclean:" ; \
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exit 1; } >&2
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Developed on UNIX where the motto is "no news is good news!".

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Install is common:
./configure --with-prefix=<desired prefix>
make
make install

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#! /bin/sh
# Wrapper for compilers which do not understand `-c -o'.
scriptversion=2005-05-14.22
# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
# Written by Tom Tromey <tromey@cygnus.com>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
case $1 in
'')
echo "$0: No command. Try \`$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: compile [--help] [--version] PROGRAM [ARGS]
Wrapper for compilers which do not understand `-c -o'.
Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
arguments, and rename the output as expected.
If you are trying to build a whole package this is not the
right script to run: please start by reading the file `INSTALL'.
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "compile $scriptversion"
exit $?
;;
esac
ofile=
cfile=
eat=
for arg
do
if test -n "$eat"; then
eat=
else
case $1 in
-o)
# configure might choose to run compile as `compile cc -o foo foo.c'.
# So we strip `-o arg' only if arg is an object.
eat=1
case $2 in
*.o | *.obj)
ofile=$2
;;
*)
set x "$@" -o "$2"
shift
;;
esac
;;
*.c)
cfile=$1
set x "$@" "$1"
shift
;;
*)
set x "$@" "$1"
shift
;;
esac
fi
shift
done
if test -z "$ofile" || test -z "$cfile"; then
# If no `-o' option was seen then we might have been invoked from a
# pattern rule where we don't need one. That is ok -- this is a
# normal compilation that the losing compiler can handle. If no
# `.c' file was seen then we are probably linking. That is also
# ok.
exec "$@"
fi
# Name of file we expect compiler to create.
cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
# Create the lock directory.
# Note: use `[/.-]' here to ensure that we don't use the same name
# that we are using for the .o file. Also, base the name on the expected
# object file name, since that is what matters with a parallel build.
lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
while true; do
if mkdir "$lockdir" >/dev/null 2>&1; then
break
fi
sleep 1
done
# FIXME: race condition here if user kills between mkdir and trap.
trap "rmdir '$lockdir'; exit 1" 1 2 15
# Run the compile.
"$@"
ret=$?
if test -f "$cofile"; then
mv "$cofile" "$ofile"
elif test -f "${cofile}bj"; then
mv "${cofile}bj" "$ofile"
fi
rmdir "$lockdir"
exit $ret
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS)
AM_INIT_AUTOMAKE(libteletone,0.1)
AC_CONFIG_SRCDIR([src/libteletone.c])
#AC_CONFIG_HEADER([])
# Checks for programs.
AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
AC_PROG_INSTALL
# Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
#AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/socket.h sys/time.h unistd.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MALLOC
AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
#AC_CHECK_FUNCS([gethostname gettimeofday localtime_r memmove memset socket strcasecmp strchr strdup strncasecmp strstr])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

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#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
# Copyright 1999, 2000, 2003 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# `libtool' can also be set to `yes' or `no'.
if test -z "$depfile"; then
base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
dir=`echo "$object" | sed 's,/.*$,/,'`
if test "$dir" = "$object"; then
dir=
fi
# FIXME: should be _deps on DOS.
depfile="$dir.deps/$base"
fi
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
"$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say).
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
## The second -e expression handles DOS-style file names with drive letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the `deleted header file' problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
tr ' ' '
' < "$tmpdepfile" |
## Some versions of gcc put a space before the `:'. On the theory
## that the space means something, we add a space to the output as
## well.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like `#:fec' to the end of the
# dependency line.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
tr '
' ' ' >> $depfile
echo >> $depfile
# The second pass generates a dummy entry for each header file.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> $depfile
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. In older versions, this file always lives in the
# current directory. Also, the AIX compiler puts `$object:' at the
# start of each line; $object doesn't have directory information.
# Version 6 uses the directory in both cases.
stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
tmpdepfile="$stripped.u"
if test "$libtool" = yes; then
"$@" -Wc,-M
else
"$@" -M
fi
stat=$?
if test -f "$tmpdepfile"; then :
else
stripped=`echo "$stripped" | sed 's,^.*/,,'`
tmpdepfile="$stripped.u"
fi
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
if test -f "$tmpdepfile"; then
outname="$stripped.o"
# Each line is of the form `foo.o: dependent.h'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
icc)
# Intel's C compiler understands `-MD -MF file'. However on
# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
# ICC 7.0 will fill foo.d with something like
# foo.o: sub/foo.c
# foo.o: sub/foo.h
# which is wrong. We want:
# sub/foo.o: sub/foo.c
# sub/foo.o: sub/foo.h
# sub/foo.c:
# sub/foo.h:
# ICC 7.1 will output
# foo.o: sub/foo.c sub/foo.h
# and will wrap long lines using \ :
# foo.o: sub/foo.c ... \
# sub/foo.h ... \
# ...
"$@" -MD -MF "$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each line is of the form `foo.o: dependent.h',
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
tru64)
# The Tru64 compiler uses -MD to generate dependencies as a side
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in `foo.d' instead, so we check for that too.
# Subdirectories are respected.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
tmpdepfile1="$dir.libs/$base.lo.d"
tmpdepfile2="$dir.libs/$base.d"
"$@" -Wc,-MD
else
tmpdepfile1="$dir$base.o.d"
tmpdepfile2="$dir$base.d"
"$@" -MD
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2"
exit $stat
fi
if test -f "$tmpdepfile1"; then
tmpdepfile="$tmpdepfile1"
else
tmpdepfile="$tmpdepfile2"
fi
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
# That's a tab and a space in the [].
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
else
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
test -z "$dashmflag" && dashmflag=-M
# Require at least two characters before searching for `:'
# in the target name. This is to cope with DOS-style filenames:
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
"$@" $dashmflag |
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
tr ' ' '
' < "$tmpdepfile" | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
"$@" || exit $?
# Remove any Libtool call
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# X makedepend
shift
cleared=no
for arg in "$@"; do
case $cleared in
no)
set ""; shift
cleared=yes ;;
esac
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift ;;
# Strip any option that makedepend may not understand. Remove
# the object too, otherwise makedepend will parse it as a source file.
-*|$object)
;;
*)
set fnord "$@" "$arg"; shift ;;
esac
done
obj_suffix="`echo $object | sed 's/^.*\././'`"
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
sed '1,2d' "$tmpdepfile" | tr ' ' '
' | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
"$@" -E |
sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
sed '$ s: \\$::' > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o,
# because we must use -o when running libtool.
"$@" || exit $?
IFS=" "
for arg
do
case "$arg" in
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
set fnord "$@"
shift
shift
;;
*)
set fnord "$@" "$arg"
shift
shift
;;
esac
done
"$@" -E |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
echo " " >> "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0

294
libs/libteletone/install-sh Normal file
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@ -0,0 +1,294 @@
#!/bin/sh
#
# install - install a program, script, or datafile
#
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch. It can only install one file at a time, a restriction
# shared with many OS's install programs.
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit="${DOITPROG-}"
# put in absolute paths if you don't have them in your path; or use env. vars.
mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"
mkdirprog="${MKDIRPROG-mkdir}"
transformbasename=""
transform_arg=""
instcmd="$mvprog"
chmodcmd="$chmodprog 0755"
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
dst=""
dir_arg=""
while [ x"$1" != x ]; do
case $1 in
-c) instcmd=$cpprog
shift
continue;;
-d) dir_arg=true
shift
continue;;
-m) chmodcmd="$chmodprog $2"
shift
shift
continue;;
-o) chowncmd="$chownprog $2"
shift
shift
continue;;
-g) chgrpcmd="$chgrpprog $2"
shift
shift
continue;;
-s) stripcmd=$stripprog
shift
continue;;
-t=*) transformarg=`echo $1 | sed 's/-t=//'`
shift
continue;;
-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
shift
continue;;
*) if [ x"$src" = x ]
then
src=$1
else
# this colon is to work around a 386BSD /bin/sh bug
:
dst=$1
fi
shift
continue;;
esac
done
if [ x"$src" = x ]
then
echo "$0: no input file specified" >&2
exit 1
else
:
fi
if [ x"$dir_arg" != x ]; then
dst=$src
src=""
if [ -d "$dst" ]; then
instcmd=:
chmodcmd=""
else
instcmd=$mkdirprog
fi
else
# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if [ -f "$src" ] || [ -d "$src" ]
then
:
else
echo "$0: $src does not exist" >&2
exit 1
fi
if [ x"$dst" = x ]
then
echo "$0: no destination specified" >&2
exit 1
else
:
fi
# If destination is a directory, append the input filename; if your system
# does not like double slashes in filenames, you may need to add some logic
if [ -d "$dst" ]
then
dst=$dst/`basename "$src"`
else
:
fi
fi
## this sed command emulates the dirname command
dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
# Make sure that the destination directory exists.
# this part is taken from Noah Friedman's mkinstalldirs script
# Skip lots of stat calls in the usual case.
if [ ! -d "$dstdir" ]; then
defaultIFS='
'
IFS="${IFS-$defaultIFS}"
oIFS=$IFS
# Some sh's can't handle IFS=/ for some reason.
IFS='%'
set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
IFS=$oIFS
pathcomp=''
while [ $# -ne 0 ] ; do
pathcomp=$pathcomp$1
shift
if [ ! -d "$pathcomp" ] ;
then
$mkdirprog "$pathcomp"
else
:
fi
pathcomp=$pathcomp/
done
fi
if [ x"$dir_arg" != x ]
then
$doit $instcmd "$dst" &&
if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
else
# If we're going to rename the final executable, determine the name now.
if [ x"$transformarg" = x ]
then
dstfile=`basename "$dst"`
else
dstfile=`basename "$dst" $transformbasename |
sed $transformarg`$transformbasename
fi
# don't allow the sed command to completely eliminate the filename
if [ x"$dstfile" = x ]
then
dstfile=`basename "$dst"`
else
:
fi
# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/_inst.$$_
rmtmp=$dstdir/_rm.$$_
# Trap to clean up temp files at exit.
trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
trap '(exit $?); exit' 1 2 13 15
# Move or copy the file name to the temp name
$doit $instcmd "$src" "$dsttmp" &&
# and set any options; do chmod last to preserve setuid bits
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $instcmd $src $dsttmp" command.
if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
# Now remove or move aside any old file at destination location. We try this
# two ways since rm can't unlink itself on some systems and the destination
# file might be busy for other reasons. In this case, the final cleanup
# might fail but the new file should still install successfully.
{
if [ -f "$dstdir/$dstfile" ]
then
$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
{
echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
(exit 1); exit
}
else
:
fi
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
fi &&
# The final little trick to "correctly" pass the exit status to the exit trap.
{
(exit 0); exit
}

6402
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336
libs/libteletone/missing Normal file
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#! /bin/sh
# Common stub for a few missing GNU programs while installing.
# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
fi
run=:
# In the cases where this matters, `missing' is being run in the
# srcdir already.
if test -f configure.ac; then
configure_ac=configure.ac
else
configure_ac=configure.in
fi
case "$1" in
--run)
# Try to run requested program, and just exit if it succeeds.
run=
shift
"$@" && exit 0
;;
esac
# If it does not exist, or fails to run (possibly an outdated version),
# try to emulate it.
case "$1" in
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
error status if there is no known handling for PROGRAM.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
--run try to run the given command, and emulate it if it fails
Supported PROGRAM values:
aclocal touch file \`aclocal.m4'
autoconf touch file \`configure'
autoheader touch file \`config.h.in'
automake touch all \`Makefile.in' files
bison create \`y.tab.[ch]', if possible, from existing .[ch]
flex create \`lex.yy.c', if possible, from existing .c
help2man touch the output file
lex create \`lex.yy.c', if possible, from existing .c
makeinfo touch the output file
tar try tar, gnutar, gtar, then tar without non-portable flags
yacc create \`y.tab.[ch]', if possible, from existing .[ch]"
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing 0.4 - GNU automake"
;;
-*)
echo 1>&2 "$0: Unknown \`$1' option"
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
;;
aclocal*)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`acinclude.m4' or \`${configure_ac}'. You might want
to install the \`Automake' and \`Perl' packages. Grab them from
any GNU archive site."
touch aclocal.m4
;;
autoconf)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`${configure_ac}'. You might want to install the
\`Autoconf' and \`GNU m4' packages. Grab them from any GNU
archive site."
touch configure
;;
autoheader)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`acconfig.h' or \`${configure_ac}'. You might want
to install the \`Autoconf' and \`GNU m4' packages. Grab them
from any GNU archive site."
files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
test -z "$files" && files="config.h"
touch_files=
for f in $files; do
case "$f" in
*:*) touch_files="$touch_files "`echo "$f" |
sed -e 's/^[^:]*://' -e 's/:.*//'`;;
*) touch_files="$touch_files $f.in";;
esac
done
touch $touch_files
;;
automake*)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
You might want to install the \`Automake' and \`Perl' packages.
Grab them from any GNU archive site."
find . -type f -name Makefile.am -print |
sed 's/\.am$/.in/' |
while read f; do touch "$f"; done
;;
autom4te)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is needed, and you do not seem to have it handy on your
system. You might have modified some files without having the
proper tools for further handling them.
You can get \`$1' as part of \`Autoconf' from any GNU
archive site."
file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
if test -f "$file"; then
touch $file
else
test -z "$file" || exec >$file
echo "#! /bin/sh"
echo "# Created by GNU Automake missing as a replacement of"
echo "# $ $@"
echo "exit 0"
chmod +x $file
exit 1
fi
;;
bison|yacc)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.y' file. You may need the \`Bison' package
in order for those modifications to take effect. You can get
\`Bison' from any GNU archive site."
rm -f y.tab.c y.tab.h
if [ $# -ne 1 ]; then
eval LASTARG="\${$#}"
case "$LASTARG" in
*.y)
SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" y.tab.c
fi
SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" y.tab.h
fi
;;
esac
fi
if [ ! -f y.tab.h ]; then
echo >y.tab.h
fi
if [ ! -f y.tab.c ]; then
echo 'main() { return 0; }' >y.tab.c
fi
;;
lex|flex)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.l' file. You may need the \`Flex' package
in order for those modifications to take effect. You can get
\`Flex' from any GNU archive site."
rm -f lex.yy.c
if [ $# -ne 1 ]; then
eval LASTARG="\${$#}"
case "$LASTARG" in
*.l)
SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" lex.yy.c
fi
;;
esac
fi
if [ ! -f lex.yy.c ]; then
echo 'main() { return 0; }' >lex.yy.c
fi
;;
help2man)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a dependency of a manual page. You may need the
\`Help2man' package in order for those modifications to take
effect. You can get \`Help2man' from any GNU archive site."
file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
if test -z "$file"; then
file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
fi
if [ -f "$file" ]; then
touch $file
else
test -z "$file" || exec >$file
echo ".ab help2man is required to generate this page"
exit 1
fi
;;
makeinfo)
if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
# We have makeinfo, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.texi' or \`.texinfo' file, or any other file
indirectly affecting the aspect of the manual. The spurious
call might also be the consequence of using a buggy \`make' (AIX,
DU, IRIX). You might want to install the \`Texinfo' package or
the \`GNU make' package. Grab either from any GNU archive site."
file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
if test -z "$file"; then
file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
fi
touch $file
;;
tar)
shift
if test -n "$run"; then
echo 1>&2 "ERROR: \`tar' requires --run"
exit 1
fi
# We have already tried tar in the generic part.
# Look for gnutar/gtar before invocation to avoid ugly error
# messages.
if (gnutar --version > /dev/null 2>&1); then
gnutar "$@" && exit 0
fi
if (gtar --version > /dev/null 2>&1); then
gtar "$@" && exit 0
fi
firstarg="$1"
if shift; then
case "$firstarg" in
*o*)
firstarg=`echo "$firstarg" | sed s/o//`
tar "$firstarg" "$@" && exit 0
;;
esac
case "$firstarg" in
*h*)
firstarg=`echo "$firstarg" | sed s/h//`
tar "$firstarg" "$@" && exit 0
;;
esac
fi
echo 1>&2 "\
WARNING: I can't seem to be able to run \`tar' with the given arguments.
You may want to install GNU tar or Free paxutils, or check the
command line arguments."
exit 1
;;
*)
echo 1>&2 "\
WARNING: \`$1' is needed, and you do not seem to have it handy on your
system. You might have modified some files without having the
proper tools for further handling them. Check the \`README' file,
it often tells you about the needed prerequisites for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing \`$1' program."
exit 1
;;
esac
exit 0

111
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#! /bin/sh
# mkinstalldirs --- make directory hierarchy
# Author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1993-05-16
# Public domain
errstatus=0
dirmode=""
usage="\
Usage: mkinstalldirs [-h] [--help] [-m mode] dir ..."
# process command line arguments
while test $# -gt 0 ; do
case $1 in
-h | --help | --h*) # -h for help
echo "$usage" 1>&2
exit 0
;;
-m) # -m PERM arg
shift
test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
dirmode=$1
shift
;;
--) # stop option processing
shift
break
;;
-*) # unknown option
echo "$usage" 1>&2
exit 1
;;
*) # first non-opt arg
break
;;
esac
done
for file
do
if test -d "$file"; then
shift
else
break
fi
done
case $# in
0) exit 0 ;;
esac
case $dirmode in
'')
if mkdir -p -- . 2>/dev/null; then
echo "mkdir -p -- $*"
exec mkdir -p -- "$@"
fi
;;
*)
if mkdir -m "$dirmode" -p -- . 2>/dev/null; then
echo "mkdir -m $dirmode -p -- $*"
exec mkdir -m "$dirmode" -p -- "$@"
fi
;;
esac
for file
do
set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`
shift
pathcomp=
for d
do
pathcomp="$pathcomp$d"
case $pathcomp in
-*) pathcomp=./$pathcomp ;;
esac
if test ! -d "$pathcomp"; then
echo "mkdir $pathcomp"
mkdir "$pathcomp" || lasterr=$?
if test ! -d "$pathcomp"; then
errstatus=$lasterr
else
if test ! -z "$dirmode"; then
echo "chmod $dirmode $pathcomp"
lasterr=""
chmod "$dirmode" "$pathcomp" || lasterr=$?
if test ! -z "$lasterr"; then
errstatus=$lasterr
fi
fi
fi
fi
pathcomp="$pathcomp/"
done
done
exit $errstatus
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# End:
# mkinstalldirs ends here

62
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/*
* libteletone
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libteletone
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
*
* libteletone.h -- Tone Generator/Detector
*
*/
#ifndef LIBTELETONE_H
#define LIBTELETONE_H
#ifdef __cplusplus
extern "C" {
#endif
#define TELETONE_MAX_DTMF_DIGITS 128
#define TELETONE_MAX_TONES 6
#define TELETONE_TONE_RANGE 127
/*! \file libteletone.h
\brief Top level include file
This file should be included by applications using the library
*/
/*! \brief An abstraction to store a tone mapping */
typedef struct {
/*! An array of tone frequencies */
double freqs[TELETONE_MAX_TONES];
} teletone_tone_map_t;
#include <libteletone_generate.h>
#include <libteletone_detect.h>
#ifdef __cplusplus
}
#endif
#endif

401
libs/libteletone/src/libteletone_detect.c Normal file
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/*
* libteletone
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is tone_detect.c - General telephony tone detection, and specific detection of DTMF.
*
*
* The Initial Developer of the Original Code is
* Stephen Underwood <steveu@coppice.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* The the original interface designed by Steve Underwood was preserved to retain
*the optimizations when considering DTMF tones though the names were changed in the interest
* of namespace.
*
* Much less efficient expansion interface was added to allow for the detection of
* a single arbitrary tone combination which may also exceed 2 simultaneous tones.
* (controlled by compile time constant TELETONE_MAX_TONES)
*
* Copyright (C) 2006 Anthony Minessale II <anthmct@yahoo.com>
*
*
* libteletone_detect.c Tone Detection Code
*
*
*********************************************************************************
*
* Derived from tone_detect.c - General telephony tone detection, and specific
* detection of DTMF.
*
* Copyright (C) 2001 Steve Underwood <steveu@coppice.org>
*
* Despite my general liking of the GPL, I place this code in the
* public domain for the benefit of all mankind - even the slimy
* ones who might try to proprietize my work and use it to my
* detriment.
*/
#include <math.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <time.h>
#include <fcntl.h>
#include <libteletone_detect.h>
static teletone_detection_descriptor_t dtmf_detect_row[GRID_FACTOR];
static teletone_detection_descriptor_t dtmf_detect_col[GRID_FACTOR];
static teletone_detection_descriptor_t dtmf_detect_row_2nd[GRID_FACTOR];
static teletone_detection_descriptor_t dtmf_detect_col_2nd[GRID_FACTOR];
static float dtmf_row[] = {697.0, 770.0, 852.0, 941.0};
static float dtmf_col[] = {1209.0, 1336.0, 1477.0, 1633.0};
static char dtmf_positions[] = "123A" "456B" "789C" "*0#D";
static void goertzel_init(teletone_goertzel_state_t *goertzel_state, teletone_detection_descriptor_t *tdesc) {
goertzel_state->v2 = goertzel_state->v3 = 0.0;
goertzel_state->fac = tdesc->fac;
}
void teletone_goertzel_update(teletone_goertzel_state_t *goertzel_state,
int16_t sample_buffer[],
int samples)
{
int i;
float v1;
for (i = 0; i < samples; i++) {
v1 = goertzel_state->v2;
goertzel_state->v2 = goertzel_state->v3;
goertzel_state->v3 = goertzel_state->fac*goertzel_state->v2 - v1 + sample_buffer[i];
}
}
float teletone_goertzel_result (teletone_goertzel_state_t *goertzel_state)
{
return goertzel_state->v3 * goertzel_state->v3 + goertzel_state->v2 * goertzel_state->v2 - goertzel_state->v2 * goertzel_state->v3 * goertzel_state->fac;
}
void teletone_dtmf_detect_init (teletone_dtmf_detect_state_t *dtmf_detect_state, int sample_rate)
{
int i;
float theta;
dtmf_detect_state->hit1 = dtmf_detect_state->hit2 = 0;
for (i = 0; i < GRID_FACTOR; i++) {
theta = M_TWO_PI*(dtmf_row[i]/(float)sample_rate);
dtmf_detect_row[i].fac = 2.0*cos(theta);
theta = M_TWO_PI*(dtmf_col[i]/(float)sample_rate);
dtmf_detect_col[i].fac = 2.0*cos(theta);
theta = M_TWO_PI*(dtmf_row[i]*2.0/(float)sample_rate);
dtmf_detect_row_2nd[i].fac = 2.0*cos(theta);
theta = M_TWO_PI*(dtmf_col[i]*2.0/(float)sample_rate);
dtmf_detect_col_2nd[i].fac = 2.0*cos(theta);
goertzel_init (&dtmf_detect_state->row_out[i], &dtmf_detect_row[i]);
goertzel_init (&dtmf_detect_state->col_out[i], &dtmf_detect_col[i]);
goertzel_init (&dtmf_detect_state->row_out2nd[i], &dtmf_detect_row_2nd[i]);
goertzel_init (&dtmf_detect_state->col_out2nd[i], &dtmf_detect_col_2nd[i]);
dtmf_detect_state->energy = 0.0;
}
dtmf_detect_state->current_sample = 0;
dtmf_detect_state->detected_digits = 0;
dtmf_detect_state->lost_digits = 0;
dtmf_detect_state->digits[0] = '\0';
dtmf_detect_state->mhit = 0;
}
void teletone_multi_tone_init(teletone_multi_tone_t *mt, teletone_tone_map_t *map)
{
float theta = 0;
int x = 0;
if(!mt->min_samples) {
mt->min_samples = 102;
}
if (!mt->positive_factor) {
mt->positive_factor = 2;
}
if(!mt->negative_factor) {
mt->negative_factor = 10;
}
if (!mt->hit_factor) {
mt->hit_factor = 2;
}
if (!mt->sample_rate) {
mt->sample_rate = 8000;
}
for(x = 0; x < TELETONE_MAX_TONES; x++) {
if ((int) map->freqs[x] == 0) {
break;
}
mt->tone_count++;
theta = M_TWO_PI*(map->freqs[x]/(float)mt->sample_rate);
mt->tdd[x].fac = 2.0 * cos(theta);
goertzel_init (&mt->gs[x], &mt->tdd[x]);
goertzel_init (&mt->gs2[x], &mt->tdd[x]);
}
}
int teletone_multi_tone_detect (teletone_multi_tone_t *mt,
int16_t sample_buffer[],
int samples)
{
int sample, limit, j, x = 0;
float v1, famp;
float eng_sum = 0, eng_all[TELETONE_MAX_TONES];
int gtest = 0, see_hit = 0;
for (sample = 0; sample < samples; sample = limit) {
mt->total_samples++;
if ((samples - sample) >= (mt->min_samples - mt->current_sample)) {
limit = sample + (mt->min_samples - mt->current_sample);
} else {
limit = samples;
}
for (j = sample; j < limit; j++) {
famp = sample_buffer[j];
mt->energy += famp*famp;
for(x = 0; x < mt->tone_count; x++) {
v1 = mt->gs[x].v2;
mt->gs[x].v2 = mt->gs[x].v3;
mt->gs[x].v3 = mt->gs[x].fac * mt->gs[x].v2 - v1 + famp;
v1 = mt->gs2[x].v2;
mt->gs2[x].v2 = mt->gs2[x].v3;
mt->gs2[x].v3 = mt->gs2[x].fac*mt->gs2[x].v2 - v1 + famp;
}
}
mt->current_sample += (limit - sample);
if (mt->current_sample < mt->min_samples) {
continue;
}
eng_sum = 0;
for(x = 0; x < mt->tone_count; x++) {
eng_all[x] = teletone_goertzel_result (&mt->gs[x]);
eng_sum += eng_all[x];
}
gtest = 0;
for(x = 0; x < mt->tone_count; x++) {
gtest += teletone_goertzel_result (&mt->gs2[x]) < eng_all[x] ? 1 : 0;
}
if (gtest >= 2 && eng_sum > 42.0 * mt->energy) {
if(mt->negatives) {
mt->negatives--;
}
mt->positives++;
if(mt->positives >= mt->positive_factor) {
mt->hits++;
}
if (mt->hits >= mt->hit_factor) {
see_hit++;
mt->positives = mt->negatives = mt->hits = 0;
}
} else {
mt->negatives++;
if(mt->positives) {
mt->positives--;
}
if(mt->negatives > mt->negative_factor) {
mt->positives = mt->hits = 0;
}
}
/* Reinitialise the detector for the next block */
for(x = 0; x < mt->tone_count; x++) {
goertzel_init (&mt->gs[x], &mt->tdd[x]);
goertzel_init (&mt->gs2[x], &mt->tdd[x]);
}
mt->energy = 0.0;
mt->current_sample = 0;
}
return see_hit;
}
int teletone_dtmf_detect (teletone_dtmf_detect_state_t *dtmf_detect_state,
int16_t sample_buffer[],
int samples)
{
float row_energy[GRID_FACTOR];
float col_energy[GRID_FACTOR];
float famp;
float v1;
int i;
int j;
int sample;
int best_row;
int best_col;
int hit;
int limit;
hit = 0;
for (sample = 0; sample < samples; sample = limit) {
/* BLOCK_LEN is optimised to meet the DTMF specs. */
if ((samples - sample) >= (BLOCK_LEN - dtmf_detect_state->current_sample)) {
limit = sample + (BLOCK_LEN - dtmf_detect_state->current_sample);
} else {
limit = samples;
}
for (j = sample; j < limit; j++) {
int x = 0;
famp = sample_buffer[j];
dtmf_detect_state->energy += famp*famp;
for(x = 0; x < GRID_FACTOR; x++) {
v1 = dtmf_detect_state->row_out[x].v2;
dtmf_detect_state->row_out[x].v2 = dtmf_detect_state->row_out[x].v3;
dtmf_detect_state->row_out[x].v3 = dtmf_detect_state->row_out[x].fac*dtmf_detect_state->row_out[x].v2 - v1 + famp;
v1 = dtmf_detect_state->col_out[x].v2;
dtmf_detect_state->col_out[x].v2 = dtmf_detect_state->col_out[x].v3;
dtmf_detect_state->col_out[x].v3 = dtmf_detect_state->col_out[x].fac*dtmf_detect_state->col_out[x].v2 - v1 + famp;
v1 = dtmf_detect_state->col_out2nd[x].v2;
dtmf_detect_state->col_out2nd[x].v2 = dtmf_detect_state->col_out2nd[x].v3;
dtmf_detect_state->col_out2nd[x].v3 = dtmf_detect_state->col_out2nd[x].fac*dtmf_detect_state->col_out2nd[x].v2 - v1 + famp;
v1 = dtmf_detect_state->row_out2nd[x].v2;
dtmf_detect_state->row_out2nd[x].v2 = dtmf_detect_state->row_out2nd[x].v3;
dtmf_detect_state->row_out2nd[x].v3 = dtmf_detect_state->row_out2nd[x].fac*dtmf_detect_state->row_out2nd[x].v2 - v1 + famp;
}
}
dtmf_detect_state->current_sample += (limit - sample);
if (dtmf_detect_state->current_sample < BLOCK_LEN) {
continue;
}
/* We are at the end of a DTMF detection block */
/* Find the peak row and the peak column */
row_energy[0] = teletone_goertzel_result (&dtmf_detect_state->row_out[0]);
col_energy[0] = teletone_goertzel_result (&dtmf_detect_state->col_out[0]);
for (best_row = best_col = 0, i = 1; i < GRID_FACTOR; i++) {
row_energy[i] = teletone_goertzel_result (&dtmf_detect_state->row_out[i]);
if (row_energy[i] > row_energy[best_row]) {
best_row = i;
}
col_energy[i] = teletone_goertzel_result (&dtmf_detect_state->col_out[i]);
if (col_energy[i] > col_energy[best_col]) {
best_col = i;
}
}
hit = 0;
/* Basic signal level test and the twist test */
if (row_energy[best_row] >= DTMF_THRESHOLD &&
col_energy[best_col] >= DTMF_THRESHOLD &&
col_energy[best_col] < row_energy[best_row]*DTMF_REVERSE_TWIST &&
col_energy[best_col]*DTMF_NORMAL_TWIST > row_energy[best_row]) {
/* Relative peak test */
for (i = 0; i < GRID_FACTOR; i++) {
if ((i != best_col && col_energy[i]*DTMF_RELATIVE_PEAK_COL > col_energy[best_col]) ||
(i != best_row && row_energy[i]*DTMF_RELATIVE_PEAK_ROW > row_energy[best_row])) {
break;
}
}
/* ... and second harmonic test */
if (i >= GRID_FACTOR && (row_energy[best_row] + col_energy[best_col]) > 42.0*dtmf_detect_state->energy &&
teletone_goertzel_result (&dtmf_detect_state->col_out2nd[best_col])*DTMF_2ND_HARMONIC_COL < col_energy[best_col] &&
teletone_goertzel_result (&dtmf_detect_state->row_out2nd[best_row])*DTMF_2ND_HARMONIC_ROW < row_energy[best_row]) {
hit = dtmf_positions[(best_row << 2) + best_col];
/* Look for two successive similar results */
/* The logic in the next test is:
We need two successive identical clean detects, with
something different preceeding it. This can work with
back to back differing digits. More importantly, it
can work with nasty phones that give a very wobbly start
to a digit. */
if (hit == dtmf_detect_state->hit3 && dtmf_detect_state->hit3 != dtmf_detect_state->hit2) {
dtmf_detect_state->mhit = hit;
dtmf_detect_state->digit_hits[(best_row << 2) + best_col]++;
dtmf_detect_state->detected_digits++;
if (dtmf_detect_state->current_digits < TELETONE_MAX_DTMF_DIGITS) {
dtmf_detect_state->digits[dtmf_detect_state->current_digits++] = hit;
dtmf_detect_state->digits[dtmf_detect_state->current_digits] = '\0';
}
else
{
dtmf_detect_state->lost_digits++;
}
}
}
}
dtmf_detect_state->hit1 = dtmf_detect_state->hit2;
dtmf_detect_state->hit2 = dtmf_detect_state->hit3;
dtmf_detect_state->hit3 = hit;
/* Reinitialise the detector for the next block */
for (i = 0; i < GRID_FACTOR; i++) {
goertzel_init (&dtmf_detect_state->row_out[i], &dtmf_detect_row[i]);
goertzel_init (&dtmf_detect_state->col_out[i], &dtmf_detect_col[i]);
goertzel_init (&dtmf_detect_state->row_out2nd[i], &dtmf_detect_row_2nd[i]);
goertzel_init (&dtmf_detect_state->col_out2nd[i], &dtmf_detect_col_2nd[i]);
}
dtmf_detect_state->energy = 0.0;
dtmf_detect_state->current_sample = 0;
}
if ((!dtmf_detect_state->mhit) || (dtmf_detect_state->mhit != hit)) {
dtmf_detect_state->mhit = 0;
return(0);
}
return (hit);
}
int teletone_dtmf_get (teletone_dtmf_detect_state_t *dtmf_detect_state,
char *buf,
int max)
{
if (max > dtmf_detect_state->current_digits) {
max = dtmf_detect_state->current_digits;
}
if (max > 0) {
memcpy (buf, dtmf_detect_state->digits, max);
memmove (dtmf_detect_state->digits, dtmf_detect_state->digits + max, dtmf_detect_state->current_digits - max);
dtmf_detect_state->current_digits -= max;
}
buf[max] = '\0';
return max;
}

224
libs/libteletone/src/libteletone_detect.h Normal file
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/*
* libteletone
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is tone_detect.c - General telephony tone detection, and specific detection of DTMF.
*
*
* The Initial Developer of the Original Code is
* Stephen Underwood <steveu@coppice.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* The the original interface designed by Steve Underwood was preserved to retain
*the optimizations when considering DTMF tones though the names were changed in the interest
* of namespace.
*
* Much less efficient expansion interface was added to allow for the detection of
* a single arbitrary tone combination which may also exceed 2 simultaneous tones.
* (controlled by compile time constant TELETONE_MAX_TONES)
*
* Copyright (C) 2006 Anthony Minessale II <anthmct@yahoo.com>
*
*
* libteletone_detect.c Tone Detection Code
*
*
*********************************************************************************
*
* Derived from tone_detect.h - General telephony tone detection, and specific
* detection of DTMF.
*
* Copyright (C) 2001 Steve Underwood <steveu@coppice.org>
*
* Despite my general liking of the GPL, I place this code in the
* public domain for the benefit of all mankind - even the slimy
* ones who might try to proprietize my work and use it to my
* detriment.
*/
#ifndef LIBTELETONE_DETECT_H
#define LIBTELETONE_DETECT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <libteletone.h>
/*! \file libteletone_detect.h
\brief Tone Detection Routines
This module is responsible for tone detection specifics
*/
#define FALSE 0
#define TRUE (!FALSE)
/* Basic DTMF specs:
*
* Minimum tone on = 40ms
* Minimum tone off = 50ms
* Maximum digit rate = 10 per second
* Normal twist <= 8dB accepted
* Reverse twist <= 4dB accepted
* S/N >= 15dB will detect OK
* Attenuation <= 26dB will detect OK
* Frequency tolerance +- 1.5% will detect, +-3.5% will reject
*/
#define DTMF_THRESHOLD 8.0e7
#define DTMF_NORMAL_TWIST 6.3 /* 8dB */
#define DTMF_REVERSE_TWIST 2.5 /* 4dB */
#define DTMF_RELATIVE_PEAK_ROW 6.3 /* 8dB */
#define DTMF_RELATIVE_PEAK_COL 6.3 /* 8dB */
#define DTMF_2ND_HARMONIC_ROW 2.5 /* 4dB */
#define DTMF_2ND_HARMONIC_COL 63.1 /* 18dB */
#define GRID_FACTOR 4
#define BLOCK_LEN 102
#define M_TWO_PI 2.0*M_PI
/*! \brief A continer for the elements of a Goertzel Algorithm (The names are from his formula) */
typedef struct {
float v2;
float v3;
float fac;
} teletone_goertzel_state_t;
/*! \brief A container for a DTMF detection state.*/
typedef struct {
int hit1;
int hit2;
int hit3;
int hit4;
int mhit;
teletone_goertzel_state_t row_out[GRID_FACTOR];
teletone_goertzel_state_t col_out[GRID_FACTOR];
teletone_goertzel_state_t row_out2nd[GRID_FACTOR];
teletone_goertzel_state_t col_out2nd[GRID_FACTOR];
float energy;
int current_sample;
char digits[TELETONE_MAX_DTMF_DIGITS + 1];
int current_digits;
int detected_digits;
int lost_digits;
int digit_hits[16];
} teletone_dtmf_detect_state_t;
/*! \brief An abstraction to store the coefficient of a tone frequency */
typedef struct {
float fac;
} teletone_detection_descriptor_t;
/*! \brief A container for a single multi-tone detection
TELETONE_MAX_TONES dictates the maximum simultaneous tones that can be present
in a multi-tone representation.
*/
typedef struct {
int sample_rate;
teletone_detection_descriptor_t tdd[TELETONE_MAX_TONES];
teletone_goertzel_state_t gs[TELETONE_MAX_TONES];
teletone_goertzel_state_t gs2[TELETONE_MAX_TONES];
int tone_count;
float energy;
int current_sample;
int min_samples;
int total_samples;
int positives;
int negatives;
int hits;
int positive_factor;
int negative_factor;
int hit_factor;
} teletone_multi_tone_t;
/*!
\brief Initilize a multi-frequency tone detector
\param mt the multi-frequency tone descriptor
\param map a representation of the multi-frequency tone
*/
void teletone_multi_tone_init(teletone_multi_tone_t *mt, teletone_tone_map_t *map);
/*!
\brief Check a sample buffer for the presence of the mulit-frequency tone described by mt
\param mt the multi-frequency tone descriptor
\param sample_buffer an array aof 16 bit signed linear samples
\param samples the number of samples present in sample_buffer
\return true when the tone was detected or false when it is not
*/
int teletone_multi_tone_detect (teletone_multi_tone_t *mt,
int16_t sample_buffer[],
int samples);
/*!
\brief Initilize a DTMF detection state object
\param sample_rate the desired sample rate
*/
void teletone_dtmf_detect_init (teletone_dtmf_detect_state_t *dtmf_detect_state, int sample_rate);
/*!
\brief Check a sample buffer for the presence of DTMF digits
\param dtmf_detect_state the detection state object to check
\param sample_buffer an array aof 16 bit signed linear samples
\param samples the number of samples present in sample_buffer
\return true when DTMF was detected or false when it is not
*/
int teletone_dtmf_detect (teletone_dtmf_detect_state_t *dtmf_detect_state,
int16_t sample_buffer[],
int samples);
/*!
\brief retrieve any collected digits into a string buffer
\param dtmf_detect_state the detection state object to check
\param buf the string buffer to write to
\param max the maximum length of buf
\return the number of characters written to buf
*/
int teletone_dtmf_get (teletone_dtmf_detect_state_t *dtmf_detect_state,
char *buf,
int max);
/*!
\brief Step through the Goertzel Algorithm for each sample in a buffer
\param goertzel_state the goertzel state to step the samples through
\param sample_buffer an array aof 16 bit signed linear samples
\param samples the number of samples present in sample_buffer
*/
void teletone_goertzel_update(teletone_goertzel_state_t *goertzel_state,
int16_t sample_buffer[],
int samples);
/*!
\brief Compute the result of the last applied step of the Goertzel Algorithm
\param goertzel_state the goertzel state to retrieve from
\return the computed value for consideration in furthur audio tests
*/
float teletone_goertzel_result (teletone_goertzel_state_t *goertzel_state);
#ifdef __cplusplus
}
#endif
#endif

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/*
* libteletone
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libteletone
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
*
* libteletone.c -- Tone Generator
*
*/
#include <libteletone.h>
int teletone_set_tone(teletone_generation_session_t *ts, int index, ...)
{
va_list ap;
int i = 0;
double x = 0;
va_start(ap, index);
while (i <= TELETONE_MAX_TONES && (x = va_arg(ap, double))) {
ts->TONES[index].freqs[i++] = x;
}
va_end(ap);
return (i > TELETONE_MAX_TONES) ? -1 : 0;
}
int teletone_set_map(teletone_tone_map_t *map, ...)
{
va_list ap;
int i = 0;
double x = 0;
va_start(ap, map);
while (i <= TELETONE_MAX_TONES && (x = va_arg(ap, double))) {
map->freqs[i++] = x;
}
va_end(ap);
return (i > TELETONE_MAX_TONES) ? -1 : 0;
}
int teletone_init_session(teletone_generation_session_t *ts, int buflen, tone_handler handler, void *user_data)
{
memset(ts, 0, sizeof(*ts));
ts->rate = 8000;
ts->channels = 1;
ts->duration = 2000;
ts->wait = 500;
ts->handler = handler;
ts->user_data = user_data;
ts->volume = 1500;
ts->decay_step = 0;
if (!(ts->buffer = calloc(buflen, sizeof(teletone_audio_t)))) {
return -1;
}
ts->datalen = buflen;
/* Add Standard DTMF Tones */
teletone_set_tone(ts, '1', 697.0, 1209.0, 0.0);
teletone_set_tone(ts, '2', 697.0, 1336.0, 0.0);
teletone_set_tone(ts, '3', 697.0, 1477.0, 0.0);
teletone_set_tone(ts, 'A', 697.0, 1633.0, 0.0);
teletone_set_tone(ts, '4', 770.0, 1209.0, 0.0);
teletone_set_tone(ts, '5', 770.0, 1336.0, 0.0);
teletone_set_tone(ts, '6', 770.0, 1477.0, 0.0);
teletone_set_tone(ts, 'B', 770.0, 1633.0, 0.0);
teletone_set_tone(ts, '7', 859.0, 1209.0, 0.0);
teletone_set_tone(ts, '8', 859.0, 1336.0, 0.0);
teletone_set_tone(ts, '9', 859.0, 1477.0, 0.0);
teletone_set_tone(ts, 'C', 859.0, 1633.0, 0.0);
teletone_set_tone(ts, '*', 941.0, 1209.0, 0.0);
teletone_set_tone(ts, '0', 941.0, 1336.0, 0.0);
teletone_set_tone(ts, '#', 941.0, 1477.0, 0.0);
teletone_set_tone(ts, 'D', 941.0, 1633.0, 0.0);
return 0;
}
int teletone_destroy_session(teletone_generation_session_t *ts)
{
if (ts->buffer) {
free(ts->buffer);
ts->buffer = NULL;
ts->samples = 0;
}
return 0;
}
/** Generate a specified number of samples containing the three specified
* frequencies (in hertz) and dump to the file descriptor audio_fd. */
int teletone_mux_tones(teletone_generation_session_t *ts, teletone_tone_map_t *map)
{
double period = (1.0 / ts->rate) / ts->channels;
int i, c;
int freqlen = 0;
double tones[TELETONE_MAX_TONES];
int decay = 0;
int duration;
int wait = 0;
teletone_process_t sample;
ts->samples = 0;
duration = (ts->tmp_duration > -1) ? ts->tmp_duration : ts->duration;
wait = (ts->tmp_wait > -1) ? ts->tmp_wait : ts->wait;
if (map->freqs[0] > 0) {
if (ts->decay_step) {
if (ts->decay_factor) {
decay = (duration - (duration / ts->decay_factor));
} else {
decay = 0;
}
}
if (ts->volume < 0) {
ts->volume = 0;
}
for (freqlen = 0; map->freqs[freqlen] && freqlen < TELETONE_MAX_TONES; freqlen++) {
tones[freqlen] = (double) map->freqs[freqlen] * (2 * M_PI);
}
if (ts->channels > 1) {
duration *= ts->channels;
}
for (ts->samples = 0; ts->samples < ts->datalen && ts->samples < duration; ts->samples++) {
if (ts->decay_step && !(ts->samples % ts->decay_step) && ts->volume > 0 && ts->samples > decay) {
ts->volume += ts->decay_direction;
}
sample = (teletone_process_t) 128;
for (i = 0; i < freqlen; i++) {
sample += ((teletone_process_t) 2 * (ts->volume > 0 ? ts->volume : 1) * cos(tones[i] * ts->samples * period));
}
ts->buffer[ts->samples] = sample;
for (c = 1; c < ts->channels; c++) {
ts->buffer[ts->samples+1] = ts->buffer[ts->samples];
ts->samples++;
}
}
}
for (c = 0; c < ts->channels; c++) {
for (i = 0; i < wait && ts->samples < ts->datalen; i++) {
ts->buffer[ts->samples++] = 0;
}
}
if (ts->debug && ts->debug_stream) {
if (map->freqs[0] <= 0) {
fprintf(ts->debug_stream, "wait %d (%dms)\n", wait, wait / (ts->rate / 1000));
} else {
fprintf(ts->debug_stream, "Generate: (");
for (i = 0; i < TELETONE_MAX_TONES && map->freqs[i]; i++) {
fprintf(ts->debug_stream, "%s%0.2f", i == 0 ? "" : "+",map->freqs[i]);
}
fprintf(ts->debug_stream, ") [volume %d; samples %d(%dms) x %d channel%s; wait %d(%dms); decay_factor %d; decay_step %d; wrote %d bytes]\n",
ts->volume,
duration,
duration / (ts->rate / 1000),
ts->channels,
ts->channels == 1 ? "" : "s",
wait,
wait / (ts->rate / 1000),
ts->decay_factor,
ts->decay_step,
ts->samples * 2);
}
}
return ts->samples;
}
int teletone_run(teletone_generation_session_t *ts, char *cmd)
{
char *data, *cur, *end;
int var = 0, LOOPING = 0;
do {
data = strdup(cmd);
cur = data;
while (*cur) {
var = 0;
if (*cur == ' ' || *cur == '\r' || *cur == '\n') {
cur++;
continue;
}
if ((end = strchr(cur, ';'))) {
*end++ = '\0';
}
if (*(cur + 1) == '=') {
var = 1;
switch(*cur) {
case 'c':
ts->channels = atoi(cur + 2);
break;
case 'r':
ts->rate = atoi(cur + 2);
break;
case 'd':
ts->duration = atoi(cur + 2) * (ts->rate / 1000);
break;
case 'v':
ts->volume = atoi(cur + 2);
break;
case '>':
ts->decay_factor = atoi(cur + 2);
ts->decay_direction = -1;
break;
case '<':
ts->decay_factor = atoi(cur + 2);
ts->decay_direction = 1;
break;
case '+':
ts->decay_step = atoi(cur + 2);
break;
case 'w':
ts->wait = atoi(cur + 2) * (ts->rate / 1000);
break;
case 'l':
ts->loops = atoi(cur + 2);
break;
case 'L':
if (!LOOPING) {
ts->LOOPS = atoi(cur + 2);
}
LOOPING++;
break;
}
} else {
while (*cur) {
char *p = NULL, *e = NULL;
teletone_tone_map_t mymap, *mapp = NULL;
if (*cur == ' ' || *cur == '\r' || *cur == '\n') {
cur++;
continue;
}
ts->tmp_duration = -1;
ts->tmp_wait = -1;
memset(&mymap, 0, sizeof(mymap));
if (*(cur + 1) == '(') {
p = cur + 2;
if (*cur) {
char *next;
int i = 0;
if ((e = strchr(p, ')'))) {
*e++ = '\0';
}
do {
if ((next = strchr(p, ','))) {
*next++ = '\0';
}
if (i == 0) {
ts->tmp_duration = atoi(p) * (ts->rate / 1000);
i++;
} else if (i == 1) {
ts->tmp_wait = atoi(p) * (ts->rate / 1000);
i++;
} else {
mymap.freqs[i++ - 2] = atof(p);
}
p = next;
} while (next && (i-2) < TELETONE_MAX_TONES);
if (i > 2 && *cur == '%') {
mapp = &mymap;
} else if ((i != 2 || *cur == '%')) {
if (ts->debug && ts->debug_stream) {
fprintf(ts->debug_stream, "Syntax Error!\n");
}
goto bottom;
}
}
}
if (*cur && !mapp) {
if (*cur > 0 && *cur < TELETONE_TONE_RANGE) {
mapp = &ts->TONES[(int)*cur];
} else if (ts->debug && ts->debug_stream) {
fprintf(ts->debug_stream, "Map [%c] Out Of Range!\n", *cur);
}
}
if (mapp) {
if (mapp->freqs[0]) {
if (ts->handler) {
do {
ts->handler(ts, mapp);
if (ts->loops > 0) {
ts->loops--;
}
} while (ts->loops);
}
} else if (ts->debug && ts->debug_stream) {
fprintf(ts->debug_stream, "Ignoring Empty Map [%c]!\n", *cur);
}
}
if (e) {
cur = e;
} else {
cur++;
}
}
}
if (end) {
cur = end;
} else if (*cur){
cur++;
}
}
bottom:
free(data);
data = NULL;
if (ts->LOOPS > 0) {
ts->LOOPS--;
}
} while (ts->LOOPS);
return 0;
}

162
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/*
* libteletone
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libteletone
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
*
* libteletone.h -- Tone Generator
*
*/
#ifndef LIBTELETONE_GENERATE_H
#define LIBTELETONE_GENERATE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <errno.h>
#include <assert.h>
#include <stdarg.h>
#include <libteletone.h>
/*! \file libteletone_generate.h
\brief Tone Generation Routines
This module is responsible for tone generation specifics
*/
typedef short teletone_audio_t;
typedef float teletone_process_t;
struct teletone_generation_session;
typedef int (*tone_handler)(struct teletone_generation_session *ts, teletone_tone_map_t *map);
/*! \brief An abstraction to store a tone generation session */
struct teletone_generation_session {
/*! An array of tone mappings to character mappings */
teletone_tone_map_t TONES[TELETONE_TONE_RANGE];
/*! The number of channels the output audio should be in */
int channels;
/*! The Rate in hz of the output audio */
int rate;
/*! The duration (in samples) of the output audio */
int duration;
/*! The duration of silence to append after the initial audio is generated */
int wait;
/*! The duration (in samples) of the output audio (takes prescedence over actual duration value) */
int tmp_duration;
/*! The duration of silence to append after the initial audio is generated (takes prescedence over actual wait value)*/
int tmp_wait;
/*! Number of loops to repeat a single instruction*/
int loops;
/*! Number of loops to repeat the entire set of instructions*/
int LOOPS;
/*! Number to mutiply total samples by to determine when to begin ascent or decent e.g. 0=beginning 4=(last 25%) */
int decay_factor;
/*! Direction to perform volume increase/decrease 1/-1*/
int decay_direction;
/*! Number of samples between increase/decrease of volume */
int decay_step;
/*! Volume factor of the tone */
int volume;
/*! Debug on/off */
int debug;
/*! FILE stream to write debug data to */
FILE *debug_stream;
/*! Extra user data to attach to the session*/
void *user_data;
/*! Buffer for storing sample data (dynamic) */
teletone_audio_t *buffer;
/*! Size of the buffer */
int datalen;
/*! In-Use size of the buffer */
int samples;
/*! Callback function called during generation */
tone_handler handler;
};
typedef struct teletone_generation_session teletone_generation_session_t;
/*!
\brief Assign a set of tones to a tone_session indexed by a paticular index/character
\param ts the tone generation session
\param index the index to map the tone to
\param ... up to TELETONE_MAX_TONES frequencies terminated by 0.0
\return 0
*/
int teletone_set_tone(teletone_generation_session_t *ts, int index, ...);
/*!
\brief Assign a set of tones to a single tone map
\param map the map to assign the tones to
\param ... up to TELETONE_MAX_TONES frequencies terminated by 0.0
\return 0
*/
int teletone_set_map(teletone_tone_map_t *map, ...);
/*!
\brief Initilize a tone generation session
\param ts the tone generation session to initilize
\param buflen the size of the buffer(in samples) to dynamically allocate
\param handler a callback function to execute when a tone generation instruction is complete
\return 0
*/
int teletone_init_session(teletone_generation_session_t *ts, int buflen, tone_handler handler, void *user_data);
/*!
\brief Free the buffer allocated by a tone generation session
\param ts the tone generation session to destroy
\return 0
*/
int teletone_destroy_session(teletone_generation_session_t *ts);
/*!
\brief Execute a single tone generation instruction
\param ts the tone generation session to consult for parameters
\param map the tone mapping to use for the frequencies
\return 0
*/
int teletone_mux_tones(teletone_generation_session_t *ts, teletone_tone_map_t *map);
/*!
\brief Execute a tone generation script and call callbacks after each instruction
\param ts the tone generation session to execute on
\param cmd the script to execute
\return 0
*/
int teletone_run(teletone_generation_session_t *ts, char *cmd);
#ifdef __cplusplus
}
#endif
#endif