On Thu, Jan 22, 2015 at 3:11 AM, Sandro Santilli <s...@keybit.net> wrote: > On Wed, Jan 21, 2015 at 03:31:52PM -0700, Richard Wilbur wrote: >> My understanding of the roadblocks in the way of supporting AVM2 was >> that a major one was re-entrance of the VM. >> >> Has that been achieved? > > I think it was achieved, [...]
You are right, it looks like most of the re-entrance work is complete in gnash. Here's what I found with a little research on the mailing list archive: Regarding "Implementing ExternalInterface": "If it doesn't scare you too much, working on the reentrant core lib is the most useful thing to do." --strk (20090711)[1] Core libraries re-entrant => "The [unimplemented] possibilities that this opens up are: - A real, windowless browser plugin (that also consumes less memory). - A browser plugin on Windows. - Better integration with other projects such as Lightspark. - GUIs that can open several SWFs successively. - Useful python or PHP modules for controlling SWF execution. - More powerful utilities for producing screenshots, converting to video etc." -- bwy (20101010)[2] With Gnash 0.8.9 release announcement: " * Re-entrant core libraries. Now Gnash is no longer dependent on a singleton Virtual Machine and Garbage Collector." --rob (20110319)[3] "I've submitted a project on pubsoft.org for implementing a Gnash windowless mode plugin[....] A windowless mode plugin would be an in-process plugin, now possible thanks to the re-entrant interface Benjamin worked on. Windowless plug-ins extend the possibilities for web page design and functionalities. Any web site relying on these extensions currently fails with Gnash." -- strk (20110802)[4] > I think it was achieved, although there's no automated testcase > nor usage pattern showing it clearly. An example of such usage > would be the implementation of a windowed NPAPI plugin which would > also solve many navigation issues. 1. So how is a "windowed NPAPI plugin" different from the current Firefox plugin? 2. What API does the current Firefox plugin implement? 3. How does a "windowed NPAPI plugin" relate to the "windowless mode plugin" you proposed back in 2011? 4. I found a description of NPAPI[5], what other documentation would you recommend I look at? > A simpler one would be allowing > the specification of multiple input files from the commandline and > playing them all at once (or serially, with an option). > Should I use several existing swf files that already have tests and rig it up to run simultaneously (or serially, with an option)? > For AVM2 you could start > by looking at lightspark, which does _only_ AVM2 and supports > Gnash as a fallback for AVM1 apps. Making lightspark embeddable > in Gnash could also be an interesting idea, to do the reverse. I guess I'll try using lightspark to access sites that require AVM2 support and see how well they fare on lightspark. Then, if there is sufficient merit, I could look at what lightspark did to implement AVM2 with an eye to implementing the same functionality in gnash. Sincerely, Richard References: [1] http://lists.gnu.org/archive/html/gnash-dev/2009-07/msg00011.html "[Gnash-dev] Implementing ExternalInterface" [2] http://lists.gnu.org/archive/html/gnash-dev/2010-10/msg00003.html "[Gnash-dev] Gnash libraries" [3] http://lists.gnu.org/archive/html/gnash-dev/2011-03/msg00066.html "[Gnash-dev] Gnash 0.8.9 released!" [4] http://lists.gnu.org/archive/html/gnash-dev/2011-08/msg00001.html "[Gnash-dev] Fundraising for windowless mode plugin" [5] http://en.wikipedia.org/wiki/NPAPI _______________________________________________ Gnash-dev mailing list Gnash-dev@gnu.org https://lists.gnu.org/mailman/listinfo/gnash-dev
