Re: [LAD] Fwd: Re: How can a LV2 plugin know on what host's MIDI Channel it's on?

On 16/10/14 18:19, Phil CM wrote:
>
>
>
> -------- Forwarded Message --------
> Subject: Re: [LAD] How can a LV2 plugin know on what host's MIDI
> Channel it's on?
> Date: Thu, 16 Oct 2014 13:16:38 -0400
> From: Paul Davis <paul@email-addr-hidden>
> To: Phil CM <philcm@email-addr-hidden>
>
>
>
>
>
> On Thu, Oct 16, 2014 at 12:59 PM, Phil CM <philcm@email-addr-hidden
> <mailto:philcm@email-addr-hidden>> wrote:
>
>
> On 16/10/14 17:15, Paul Davis wrote:
>>
>>
>> On Thu, Oct 16, 2014 at 11:42 AM, Phil CM <philcm@email-addr-hidden
>> <mailto:philcm@email-addr-hidden>> wrote:
>>
>> Is there a way to retrieve this info (and others, ideally)
>> from the host, thus removing the need for a "midi channel"
>> control port?
>>
>>
>> I think you're confused. The host doesn't put a plugin on a MIDI
>> channel. It delivers MIDI events to the plugin which might be on
>> any channel.
> But in Qtractor I do have a choice of what MIDI channel (or
> any/omni, for that matter) I'm sending signal to on that
> particular track... So, no? No way for the plugin to retrieve any
> info from the host (I mean specific info, not just instantiated,
> port enum et al) I guess it makes sense since it would introduce a
> breaking point. Sorry, I don't really speak english, I'm just
> persuaded I do.
>
>
> That is a host-specific issue. The part of the LV2 specification and
> the existing extensions don't describe that functionality. As far as
> the plugin is concerned, it just gets MIDI events. If the host is
> filtering some of them, the plugin has no way to determine this
> programmatically.
>
Wow, not even the very channel it's broadcasting on in readable? Does
that mean that I *have* to implement a MIDI channel selection in my
synth? There is no way to go around this?

--Phil

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Received on Fri Oct 17 00:15:01 2014