Lightspark

Lightspark is a free and open-source SWF player released under the terms of the GNU Lesser General Public License (LGPL) version 3.[1]

Lightspark
Developer(s)Alessandro Pignotti
Stable release
0.8.3[1] / July 5, 2020 (2020-07-05)
Repository
Written inC++
Operating systemLinux, FreeBSD, Windows
TypeMultimedia
LicenseLGPLv3
Websitelightspark.github.io

Features

Lightspark supports most of ActionScript 3.0 and has a Mozilla-compatible plug-in.[2] It will fall back on Gnash, a free SWF player on ActionScript 1.0 and 2.0 (AVM1) code.

Lightspark supports OpenGL-based rendering and LLVM-based ActionScript execution and uses OpenGL shaders (GLSL). The player is compatible with H.264 Flash videos on YouTube.

Portability

The Lightspark player is completely portable.[3] It has been successfully built on Ubuntu 11.04 (Natty Narwhal) on PowerPC, x86, ARM and AMD64 architectures.[4] Lightspark has a Win32 branch for Microsoft Visual Studio[5] and introduced a Mozilla-compatible plug-in for Windows in version 0.5.3. Since then, the project hasn't seen any official Windows release, but newer versions are continuously built and made available through Jenkins.[6]

Version history

Changes between versions:

Lightspark version Release date Notes

0.8.3

 5 July 2020
  • Sound bug fixes in PPAPI plugin.
  • Better handling of obfuscated code
  • New command-line argument to ignore unhandled exceptions
  • Support for context menus added
  • Partial support for CubeTextures and compressed textures in Stage3D
  • Ability to create screenshot added
  • Boost dependency removed
  • Fullscreen mode implemented
  • Better sound handling, especially for AVM1
  • Better support of older (AVM1) .swf files
  • Support for XML in AVM1
  • Support for video streaming in AVM1[7]

0.8.2

 15 September 2019
  • Implemented support for text input
  • Implemented support for sound streaming (SoundStreamHead/SoundStreamHeadBlock tags)
  • Direct support for older swf
  • PPAPI plugin bug fixes
  • Optional LLVM dependency (disabled by default)
  • Implemented support flash.system.Worker/WorkerDomain
  • Memory usage reduction
  • Several performance improvements
  • Partial support for RTMFP protocol[7]

0.8.1

 2 June 2018
  • Improved web browser plugin support with newer versions of Firefox and Chromium.
  • Implemented support for Stage3D
  • Partially implemented flash.net.Socket
  • Added support for LLVM 5.0
  • GTK2 dependency removed
  • Several performance improvements[7]

0.8.0

 14 July 2017 Make NPAPI plugin windowless, now it works on Firefox > version 52, add PPAPI plugin for use with Chromium-based browsers, switch to SDL2/SDL2_mixer for everything except Firefox plugin, the plugin uses GTK2 to interact with Firefox, so the GTK2 dependency is only needed when building the Firefox plugin, removes audio plugins as audio is now handled via SDL2_mixer for all platforms, removes the PulseAudio dependency, the configuration setting [audio] is no longer needed, implement rendering of embedded fonts in TextFields, fix handling of multiple streams in SDL, audio plugin, adds dependency on sdl_mixer, switch to internal XML parsing (based on pugixml), removes dependency on libxml++, compilation using Clang possible, implement several missing opcodes, fix serialization, implement data generation mode, support for avmplus classes (mostly stubs), Support LLVM up to version 4.0, fix event dispatcher handling, several fixes for object initialization, partially implement AMF0 decoding, complete rework of XML subsystem, Support embedded audio, Implement JSON parsing.[8]

0.7.2

 16 March 2013 Improved image support: alpha in palettes, abbreviated JPEGs, improved embedded font parsing and text positioning, open links in a browser (plugin only), bitmapData improvements, fixed many crashes[8]

0.7.1

 23 December 2012 Fixes for YouTube, support for keyboard press and release events, mouse wheel events (and other mouse event improvements), LLVM 3.2,

implemented hit testing of DisplayObjects, parse JPEG images embedded in DefineBits tags, parse RGB15 and paletted images in DefineBitsLossless tags, improved XML support[8]

0.7.0

 28 October 2012 Support for LZMA compression of SWF files through liblzma on client system; improved virtual machine performance and memory consumption; completely redesigned and improved masking support.[9][10]

0.6.0.1

 10 June 2012 Support for the BBC video player, initial support for Adobe AIR desktop applications, PulseAudio fixes, support for LLVM 3.1 and others[11][12]

0.5.7

 15 May 2012 "focus on Flash features used by games"[13]

0.5.6

 12 April 2012 Support for RPC and PNG

0.5.4.1

2 February 2012

0.5.3

1 December 2011 Adds a Windows port

0.5.1

22 September 2011 Adds EGL/GLES2 for Flash on ARM

0.4.6.1

Fixes YouTube breakage.

0.4.6

15 March 2011 Has added support for Gnash release 0.8.9.

0.4.5.3

Fixes YouTube breakage.

0.4.5.1

25 November 2010 Has experimental support for PowerPC Linux.

See also

References
  1. https://github.com/lightspark/lightspark/releases/tag/0.8.3
  2. "Lightspark flash player continues to advance". Linux.be. 2010-07-09. Archived from the original on 2016-03-13. Retrieved 2010-09-03.
  3. "Lightspark Windows port". launchpad.net. 2011-01-04. Retrieved 2011-02-26.
  4. ""lightspark" 0.4.6-0ubuntu1 source package in The Natty Narwhal". Launchpad.net. 2011-03-15. Retrieved 2011-03-21.
  5. "Email Archive: lightspark-devel". Sourceforge.net. 2010-08-02. Retrieved 2010-09-03.
  6. "Project Lightspark-win32". 2012-10-28.
  7. See release notes on project’s GitHub releases
  8. See release notes on project’s download page
  9. Lightspark 0.7.0 brings various improvements, accessed 2012-10-30
  10. Lightspark 0.7.0 released, accessed 2012-10-30
  11. Lightspark Now Handles Desktop AIR Applications, accessed 2012-06-11
  12. Lightspark 0.6.0.1 released, accessed 2012-06-11
  13. "Lightspark 0.5.7 released". Archived from the original on 2012-07-24. Retrieved 2012-05-16.

Further reading


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