[webkit-dev] Web Audio API

Simon Fraser simon.fraser at apple.com
Tue Aug 24 17:20:33 PDT 2010

On Aug 24, 2010, at 4:47 PM, Chris Rogers wrote:

> Hi Simon, thanks for helping here.
> By the way, anybody who is interested can look at the files in:
> https://svn.webkit.org/repository/webkit/branches/audio/WebCore/audio/
> There are actually a number of audio files which could be considered re-usable, although I know of nothing at this time other than the web audio API which would use them:
> AudioBus.cpp
> Biquad.cpp
> Reverb.cpp
> FFTConvolver.cpp (and other FFT-related files)
> possibly also in this category are:
> Cone.cpp
> Distance.cpp
> MidSide.cpp
> SinWave.cpp
> Panner.cpp (and subclasses)
> (maybe a few others I've missed)
> Basically, these are the lowest-level building blocks which the higher-level parts (such as AudioContext, and AudioNode) use.  These lowest-level building blocks do not (or should not) have any dependencies to the higher-level code which implement the actual API (and have IDL files).  They also don't have any dependencies on other parts of WebCore, although they do use stuff in wtf.
> So are you suggesting:
> WebCore/webaudio                <--- IDL files and API implementation
> WebCore/platform/audio        <--- lower-level building blocks such as AudioBus.cpp

Fine by me!

> then with the conditional
> #if WEB_AUDIO            <----- I added an underscore here

That would be #if ENABLE(WEB_AUDIO) in the code.


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