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FMOD EX does not yet support AC3 files–is this correct? I am fairly certain it was supposed to be added at some point, but I don’t recall any recent discussion. Was it already added several versions ago and I just missed something?

If not, is it slated to appear in the first beta build?

Please advise,

  • SD
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You should be able to pass a AC3 .wav file thru the system unless you go modify the stream by setting volume, dsp, etc.

I haven’t tested it lately though

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Interesting… FMOD-EX is treating my *.ac3 files like any other unsupported file: it won’t open them.

Granted, I’m not sure what you mean by “AC3 wav” file (though I’ve seen this type listed on software decoders.) I am assuming 5 channels of compressed audio (rather than, say, a multi-channel wav file or a standard wav file with DPL encoding.)

Thanks,

  • SD
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Ok here are some DD and DTS downloads: http://www.sr.se/multikanal/english/e_arkiv.stm

i send the stream thru my optical outs into my DTS/DD decoder and hear it.

@Brett: maybe ask Dolby the code so you have it non-GPL
If you got luck then ask Sony for DTS :)

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[quote="brett":1k8djoxx]That conflicts with our pcm stream though.[/quote:1k8djoxx]
And what if the analyzer sends a identification like
[code:1k8djoxx]FSOUND_DIGI 0x00800000[/code:1k8djoxx]
That way the “player” knows the data is digital in AC3/DTS so that they must passthrough.

Another option could be to add support for 3rd party decoders like http://ac3filter.sourceforge.net/
Then you don’t integrate the functionality so that FMOD can stay non-GPL

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So writing a GPL plug-in for Winamp (or for FMod Ex) for example is impossible since Winamp and Fmod are not released under GPL?

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Adion got a point there, and i also thought about it before i posted the above.

You add plugin support with several functions.
get_buffer(), load_file(), get_info(), etc.

Someone starts a new plugin or modifies a plugin which is under GPL.
Since FMOD can work without the plugin it doesn’t have to be GPL.
This is also mentioned in the GPL FAQ
http://www.gnu.org/licenses/gpl-faq.htm … GPLPlugins

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I see your point brett, but what if:

someone creates plugin for FMOD or any other program and releases that under GPL.

To me it sounds stupid that you are then forced to change your license in GPL.

Example:

I create a driver for M$ Windows, since M$ works with that driver it doesn’t mean that M$ is forced to change the license of Windows to GPL.
So if you provide the plugin details and someone writes a plugin you don’t have to switch to GPL UNLESS you include plugin with your application.

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[quote="djmaze":msnqtd9s]I see your point brett, but what if:

someone creates plugin for FMOD or any other program and releases that under GPL.

To me it sounds stupid that you are then forced to change your license in GPL.

Example:

I create a driver for M$ Windows, since M$ works with that driver it doesn’t mean that M$ is forced to change the license of Windows to GPL.
So if you provide the plugin details and someone writes a plugin you don’t have to switch to GPL UNLESS you include plugin with your application.[/quote:msnqtd9s]That’s the problem of the person who chose (unwisely, in that case) to use the GPL. Unfortunately, there’s nothing that can really be done about it, as the GPL has already been created and you can’t exactly just ‘fix’ it now. Some people actually believe that the way the GPL license works is a good thing, because it forces people to make their software open source and free.

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Are you talking like “modify fmod to work with gpl plugins” ???

I’m talking like: “allow creation of plugins for FMOD”

2 different things here, and i do believe the FSF can properly respond on that.
Else Windows OS must have been GPL already.

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Well I do not see much into this licencing stuff, but people in our country use to walk around and bend almost every laws and rules, so I may help:
Have someone (pay him) who knows the AC3 format (perhaps creator of some AC3 plugin or whatever) to write you non-gpl papers (or simply tell you) about AC3 without giving up a byte of code or whatever, and then use these papers to write your own decoder. It must work somehow like this 😉

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