Failure: VPlayer.swf from the media9 LaTeX package is not supported

[Oliver Sander]

The media9 LaTeX package contains a little flash program VPlayer.swf implementing a video player. This flash program will be embedded by LaTeX in the output pdf file. As a result, the pdf can contain movies, played by VPlayer.swf, if the pdf document viewer supports flash.

(see http://mirrors.ctan.org/macros/latex/contrib/media9/doc/media9.pdf for the details)

Unfortunately, this cannot currently be implemented in open source pdf viewers, because no free flash plugin correctly plays the VPlayer.swf file. In particular, when trying to open the player from the command line

lightspark VPlayer.swf

I get the black window with the "We're sorry, lightspark has encountered a yet unsupported flash file" window. The full error output on the console is appended to this text. This is on a system running Debian Testing, which currently has

sander@affe:~/okular-test/media9$ lightspark -v
INFO: Lightspark version 0.7.2 Copyright 2009-2013 Alessandro Pignotti and others

Any hint would be appreciated. In particular, I would be interested to know how much work it is to fix the bug/add the missing features.

Thanks

sander@affe:~/okular-test/media9$ lightspark VPlayer.swf
INFO: Lightspark version 0.7.2 Copyright 2009-2013 Alessandro Pignotti and others
INFO: A plugin was found. Adding it to the list.
INFO: The plugin SDL plugin was added with backend: sdl
INFO: A plugin was found. Adding it to the list.
INFO: The plugin Pulse plugin output only was added with backend: pulseaudio
INFO: the selected backend is: pulseaudio
INFO: get_plugin: pulseaudio
INFO: RenderThread this=0x2340760
INFO: Creating input thread
INFO: Running in local-with-filesystem sandbox
INFO: zlib compressed SWF file: Version 14
INFO: FrameRate 24
INFO: Creating VM
INFO: Switched to local-with-networking sandbox by FileAttributesTag
INFO: SWF Metadata:
        format: application/x-shockwave-flash
        title: Apache Flex Application
        description: http://flex.apache.org/
        publisher: Apache Software Foundation
        creator: Apache Software Foundation
        language: en_US
        date: 29.08.2013
INFO: MaxRecursionDepth: 1000, ScriptTimeoutSeconds: 60
INFO: SWF Info:
        ProductId: 3
        Edition: 6
        Version: 4.10.0.0
        CompileTime: 1377771475381
INFO: Chosen config 0x7f6534020ac0
INFO: Fragment shader compilation
INFO: Vertex shader compilation
INFO: Window resized to 500x375
ERROR: Error in VM argslen==1 && args[0]->getObjectType()==T_STRING /build/lightspark-AYVBsi/lightspark-0.7.2/src/scripting/flash/events/flashevents.cpp:585