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2017-08-11: Release 0.29
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We are pleased to present stable release 0.29 of LibLo, the
lightweight, easy to use implementation of the Open Sound Control
protocol.
Open Sound Control (OSC) is a protocol for communication among
computers, sound synthesizers, and other multimedia devices that is
designed for use over modern network transports.
Changes of note since the 0.28 release include:
- Several fixes for C++ headers
- Addition of function to remove methods by lo_method identifier
(lo_server_del_lo_method)
- Several fixes for Windows
- Use of Win32 threads on Windows instead of pthreads
- Addition of a secondary CMake-based build system
- Fix a bug in SLIP decoder
- Support run-time specification of maximum message size
- Remove limit on outgoing TCP message size
- Make oscdump use unbuffered output by default
- Add timetags to oscdump output
- Add a utility to play back oscdump output
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2014-01-27: Release 0.28
--------------------------------------------
We are pleased to present stable release 0.28 of LibLo, the
lightweight, easy to use implementation of the Open Sound Control
protocol.
Open Sound Control (OSC) is a protocol for communication among
computers, sound synthesizers, and other multimedia devices that is
designed for use over modern network transports.
Changes since the 0.28rc release candidate include:
- Fixed build for Windows (MingW, MSVC) and Android platforms
- Fixed an implicit cast issue in C++ bindings for lo::ServerThread
- Documentation, small fixes
- Added a function to get library version information (lo_version)
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2013-11-24: Release candidate 0.28rc
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This is a release candidate 0.28rc of LibLo, the lightweight, easy to
use implementation of the Open Sound Control protocol.
Open Sound Control (OSC) is a protocol for communication among
computers, sound synthesizers, and other multimedia devices that is
designed for use over modern network transports.
This is mainly a bugfix release due to some deal breakers that
unfortunately made it through to the 0.27 release. Additionally, this
is the first release to include a modern C++11 object-oriented wrapper
for the LibLo API. Please test!
Important bug fixes:
- Fixed checking of vararg markers on 64-bit systems
- Fixed hang in TCP blocking test
- Several potential bugs prevented through static analysis
Additional changes:
- Add function lo_bundle_get_timestamp()
- Add C++11 wrapper, `lo_cpp.h', and test program
- Support for a few more build tools: clang/clang++, ccache
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2013-05-22: Release 0.27
--------------------------------------------
We are pleased to present stable release 0.27 of LibLo, the
lightweight, easy to use implementation of the Open Sound Control
protocol.
Open Sound Control (OSC) is a protocol for communication among
computers, sound synthesizers, and other multimedia devices that is
designed for use over modern network transports.
This is the first release in quite some time, and includes several
major features and improvements since the 0.26 release, particularly
related to bundles, multicast, and TCP support. Features include:
- Support for sending and receiving nested bundles, including
ref-counted memory handling for bundled messages.
- Support for multicast in oscdump and oscsend tools.
- Callbacks for bundle handling.
- Select desired network interface for multicast.
- Fix blocking semantics of lo_server_wait() / lo_server_recv().
- Make inclusion of threading-related code optional.
- Basic compilation script for Android.
- Allow to optionally disable server dispatch queueing at runtime.
(In this case messages are dispatched immediately even if they are
timestamped for later.)
- Support bidirectional use of TCP ports using lo_send_from().
- Add SLIP protocol support for packetization when sending and
receiving with TCP.
- Allow to enable the TCP_NODELAY flag on TCP sockets.
- Support for specifying server parameters via URL string, and also
support for URL strings in the oscsend and oscdump tools.
- As a result of the above, support for TCP and Unix sockets in the
oscsend and oscdump tools.
Bug fixes include:
- Fixed timestamp serialization.
- Fixed blob padding and char-type padding.
- Close sockets properly under Windows.
- Fix multicast under Windows.
- Fix TCP reception blocking behaviour, such that a message can span
multiple calls to recv().
- Correct printing of blob bytes.
- Only call getnameinfo() when requested.
This release contains contributions by:
- Camille Troillard
- Hanspeter Portner
- Jamie Bullock
- Joseph Malloch
- Pete Goodeve
- rjvbertin
- Mok Keith
- David Robillard
- John McFerran
- Artem Baguinski
- William Light
Please download it at SourceForge:
http://downloads.sourceforge.net/liblo/liblo-0.27.tar.gz
Or read the online documentation:
http://liblo.sourceforge.net
The git repository can be found at the following mirrors:
- git://liblo.git.sourceforge.net/gitroot/liblo/liblo
- git://gitorious.org/liblo/mainline.git
- https://github.com/radarsat1/liblo.git
Stephen Sinclair
LibLo maintainer
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2009-03-07: Release 0.26
--------------------------------------------
We are pleased to present stable release 0.26 of LibLo, the
lightweight, easy to use implementation of the Open Sound Control
protocol.
Open Sound Control (OSC) is a protocol for communication among
computers, sound synthesizers, and other multimedia devices that is
designed for use over modern network transports.
This release marks the first release of LibLo under the LGPL license
version 2.1 or later, allowing the use of LibLo in non-GPL
applications as long as it is dynamically linked such that the LibLo
portion of the application can remain freely modifiable. We hope that
this will allow compatibility with a wider variety of audio
applications and encourage the use of open protocols even in
commercial software. (This change was motivated by receiving a number
of requests for special permission for the use of LibLo in non-GPL
software.)
This release also introduces some new features, such as the ability to
use custom transports, proper TCP multi-session support, access to
bundle timestamp information, and wider C compiler compatibility.
Details:
- Change license to LGPL 2.1 or later.
- Add return codes to all functions that may fail.
- Fix memory leaks in lo_address_new_from_url(), dispatch_method(),
lo_url_get_path()
- Move lo_arg_size(), lo_get_path(), lo_arg_host/network_endian() back
to lo_lowlevel.h.
- Expose the lo_server_dispatch_data() function as public, making it
possible to react to messages contained in an arbitrary block of
memory. (i.e., allows use with custom transport protocols)
- Get protocol by ID number.
- Keep TCP sessions open, and automatically track multiple open
sessions in a data structure.
- Allow access to bundle timestamp information.
- Fix bug in lo_timetag_diff().
- Change the value of LO_TT_IMMEDIATE to correspond with the OSC
specification.
- Enable SO_REUSEPORT when initializing a multicast server.
- Update the "soname" describing API/ABI compatibility.
- Update documentation and various bug fixes.
- Compiles under MSVC, avoiding the use of gcc-isms when not using
gcc.
Contributions by:
- Mike Wozniewski
- Dominic Sacré
- Alex McLean
- Steve Harris
- Kentaro Fukuchi
- Koichiro Ozaki
- Stephen Sinclair
Please feel free to download it at SourceForge:
http://downloads.sourceforge.net/liblo/liblo-0.26.tar.gz
Or read the online documentation:
http://liblo.sourceforge.net
Stephen Sinclair
LibLo maintainer
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2008-07-18: Release 0.25
--------------------------------------------
We are pleased to present stable release 0.25 of LibLo, the
lightweight, easy to use implementation of the Open Sound Control
protocol.
Open Sound Control (OSC) is a protocol for communication among
computers, sound synthesizers, and other multimedia devices that is
optimized for modern networking technology.
This release brings several new features, including support for
broadcast messages, multicast UDP groups, message deserialisation, and
input validation.
Details:
- Check for buffer overflows
- Added oscsend and oscdump command-line tools
- Added lo_message_add_varargs() for variable-argument C functions.
- Added lo_bundle_free_messages()
- Bug fix for pattern matching. (curly braces)
- Broadcast support
- Added lo_message_deserialise()
- Multicast support
- Fixes for compiling on OS X
- General bug fixes
Contributions by:
- Camille Troillard
- Chris Hixon
- Kentaro Fukuchi
- Dave Robillard
- Nicolas Humfrey
- Stephen Sinclair
Please feel free to download it at SourceForge:
http://downloads.sourceforge.net/liblo/liblo-0.25.tar.gz
Or read the online documentation:
http://liblo.sourceforge.net
Stephen Sinclair
LibLo maintainer
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2007-03-21: Release 0.24
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About:
LibLO is a lightweight library for handling the sending and receiving of
messages according to the Open Sound Control (OSC) protocol on POSIX
systems.
Changes:
lo_server_get_protocol() and lo_address_get_protocol() were added. Tests
for lo_address_get_* were added to the test tool. Several compiler
warnings were fixed. The address for package bug reports was changed.
lo_blob_new() was changed to take const void*. The getnameinfo() method of
getting hostname is disabled when IPv6 is disabled. A Unix server socket is
now unlinked when it is closed. The size of a Unix socket path is checked
properly.
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2006-01-27: Release 0.23
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Liblo, the Lite OSC library, is an implementation of the Open Sound
Control protocol for POSIX systems*. It is written in ANSI C99 and
released under the GNU General Public Licence. It is designed to make
developing OSC applictions as easy as possible.
http://liblo.sourceforge.net/
nick.
Changes:
* New Maintainer (me!)
* Fixed pthread resource leak, when stopping server
* IPv6 is now disabled by default
* Fixed bug where sockets weren't closed when replying to messages
* Split off resolve_address into seperate create_socket function
* Only creates new sockets when needed
* Added lo_send_from, lo_send_message_from and lo_send_bundle_from
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2005-09-09: Release 0.22
--------------------------------------------
Liblo, the Lite OSC library, is an implementation of the Open Sound
Control protocol for POSIX systems*. It is written in ANSI C99 and
released under the GNU General Public Licence. It is designed to make
developing OSC applictions as easy as possible.
http://plugin.org.uk/liblo/
- Steve
Changes:
Fixes for socket leaking from Martin Habets, Dave Robillard and
Jesse Chappell
Fix for IPV6 numerical address parsing from Dave Robillard
Fix for char handling on bigendian machines from Martin Habets
(and others)
New lo_server(thread)_del_method() from Martin Habets
Endianess and arithmetic fixes for bundle timestamps from Topher
Cyll - bundle delivery is still not accurate though
Patch to optioanlly disable IPV6 support from Lorenz Schori
* and MS Windows, under some environment or other
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2005-03-03: Release 0.18
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http://www.plugin.org.uk/liblo/releases/liblo-0.18.tar.gz
This is bugfix release and fixes a critical bug in 0.17 that bites when
trying to connect multiple clients to one server. All users of 0.17 should
upgrade as soon as possible.
Liblo is an implementation of the Open Sound Control protocol for POSIX
systems. It is released under the GNU General Public Licence.
http://www.plugin.org.uk/liblo/
http://www.cnmat.berkeley.edu/OpenSoundControl/
- Steve
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2005-02-24: Release 0.17
--------------------------------------------
Liblo, the Lite OSC library, is an implementation of the Open Sound
Control [1] protocol for POSIX systems. It is written in ANSI C99 and
released under the GNU General Public Licence. It is designed to make
developing OSC applictions as easy as possible.
http://plugin.org.uk/liblo/
Changes:
Patch from Jesse Chappell to fix memory leak
Ability to directly reply to the sender of a UDP message
Preliminary support for the OSC method enumeration scheme
- Steve
[1] http://www.cnmat.berkeley.edu/OpenSoundControl/
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2005-01-26: Release 0.16
--------------------------------------------
Liblo, the Lite OSC library, is an implementation of the Open Sound
Control [1] protocol for POSIX systems. It is written in ANSI C and
released under the GNU General Public Licence. It is designed to make
developing OSC applictions as easy as possible.
http://plugin.org.uk/liblo/
Changes:
Patch from Dave Robillard that fixes bundles of more than 4 messages.
Some const char * for C++ compatibility.
Added a source field to messages that represents the source from
which a message was received. Useful in method handlers to
determine which client sent the message.
Added patch from Walco van Loon and Pix that fixes a bug in the
hostname detection fallback code
- Steve
[1] http://www.cnmat.berkeley.edu/OpenSoundControl/
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2004-10-19: Release 0.13
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liblo is an implementation of the Open Sound Control[1] protocol for POSIX
systems. It is written in ANSI C and released under the GNU General Public
Licence. It is designed to make developing OSC applictions as easy as
possible.
http://plugin.org.uk/liblo/
This release adds Mac OSX compatibility fixes from Taybin Rutkin, a
memory leak fix from Jesse Chappell and methods and examples to allow
server polling from exisitng threads from Sean Bolton. Some legacy
compatobility code has been removed, but this should not affect anyone.
Documentation has been updated to reflect the changes.
[1] http://www.cnmat.berkeley.edu/OpenSoundControl/ [website is currently
down]
--------------------------------------------
2004-08-19: Release 0.9
--------------------------------------------
liblo is an implementation of the Open Sound Control[1] protocol for POSIX
systems. It is released under the GPL. It is written in ANSI C.
http://plugin.org.uk/liblo/
This release adds: (over the last stable release, 0.5)
* Nonblocking mesage dispatcher (useful for single GUI-thread
applications, eg Qt, GTK+)
* bugfixes to URL handling (0.6 - 0.8 broke DSSI)
* UNIX domain (FIFO) socket server/client support
* TCP domain socket server/client support
* A method to stop server threads
* Better regression tests (testlo)
* Fixed memory leaks
* More documentation
* Dynamic library building fixes
- Steve
[1] http://www.cnmat.berkeley.edu/OpenSoundControl/
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2004-03-29: Release 0.5
--------------------------------------------
liblo is a easy to use OSC (Open Sound Control) implementation written in C.
http://plugin.org.uk/liblo/
See the website for docs and example code.
Changes since last release:
bugfixes
OSC URL handling
better IPV6 support
real documentation
better example code
support for all the types listed in the specification
automatic port number selection for servers
lo_target type has been deprecated, use lo_address now
some buffer overrun checks in lo_send()
This version is not binary compatible with the previous release.
- Steve