Subject: Re: [linux-audio-dev] XAP: Plugin: "But I'm not ready!"
From: Tim Goetze (tim_AT_quitte.de)
Date: Wed Dec 18 2002 - 18:19:51 EET
Steve Harris wrote:
>On Wed, Dec 18, 2002 at 02:53:50PM +0100, David Olofson wrote:
>> You move the play position marker.
>>
>> Plugins get the position changes from the timeline,
>> and those that need to, do their best to prebuffer
>> audio data from disk, or whatever. While doing that,
>> the put a "1" on their "READY" Control Outputs, that
>> are connected to the transport control.
>>
>> You press "Start".
>>
>> The transport control simply waits until it has
>> received a "0" from each one of the "READY" Controls
>> it's watching. Then it actually starts the sequencer.
>> If there are no READY Controls in the net, the
>> sequencer will just start instantly.
>
>I'm wondering if this can't be handled better in a non RT manner, like
>the activate call in LADSPA, but with the addition of some kind of time
>position.
>
>The plugin will likly have to flush its internal buffers anyway, so it
>might just be easier and cleaner to do it outside the normal RT context.
if the whole system is in sample-sync to external, and transport
control is external too, there's no choice anyway i think.
tim
This archive was generated by hypermail 2b28 : Wed Dec 18 2002 - 19:05:53 EET