Re: Sharing data between UI and AU
Re: Sharing data between UI and AU
- Subject: Re: Sharing data between UI and AU
- From: Howard Moon <email@hidden>
- Date: Wed, 23 Feb 2011 11:38:56 -0800
On Feb 23, 2011, at 10:59 AM, Kyle Sluder wrote:
> On Wed, Feb 23, 2011 at 10:28 AM, Howard Moon <email@hidden> wrote:
>> The DSP code has no idea where in time the host might jump or loop to, and thus needs complete random access to the data. Otherwise it would have to output silence until it received the required data.
>>
>> The UI can display the entire contents of the data at one time, if desired (although it's pretty unreadable if you're looking at anything more than a few minutes' worth). But even display aside, it has functions that process all or a selected portion of the recorded data in a single pass, so the UI needs complete random access to the data as well.
>
> I'm confused. The only data your AU has access to is the incoming
> audio stream from the host.
>
> Are you implying that your UI code is recording the audio data
> provided to the AU by the host? Or am I completely off the ball here?
Exactly. Well, almost. The DSP code is recording some of the information gleaned from the original samples. And the UI uses that data to provide additional information back to the DSP based on the captured data and user edits.
-Howard
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