display a track's level meter

[chapelier fou]

Hi !
Any idea why this doesn't display the correct meter ? Thanks !


<pre><code>
----------begin_max5_patcher----------
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Ysj7Ss64BiLOivkOadiW6B0WjE8Wn4ZK5zDTTC4WbK4WzP2IU3IUTo+eb08J
mdaEC3Kjfn.DMvlnae.lCMSh9iN.K5tbHkU+slbqNKzQbKZsy0BARsNMvV5l
f9q1zFj0.bCx71bInPJAY4aRDtIwlatcK1cgo+J2aZXePdP8pRa.oyaV8qXZ
yIi8yonjmKVVNjGp6PmRqDPpnLhhxYU7wbEyJNsglj.rp23IgJMGraQKtwky
tFN0lpqDOQOr3oS3YziCOgcHddbzwDMgcHZBeHQyrtrV8OEah6Iab65IYYEF
EU2PZCDsJ4qbg8pgA1lTlqoUCxW.EzR+s5O9DgV4Sok8xENsrcSG6OvLOeL3
2PU47wJ
-----------end_max5_patcher-----------
</code></pre>

[chapelier fou]

Well. linear mode seems to be the answer.
So i got a mira related question (but is there anyone using mira ??) :
since live.meter~ is not supported by mira, how would you do to display a track's meter using meter~?

[madlab]

connect the live.gain to meter~, read meter~ on Mira ?

See next post...

[madlab]

connect the live.gain to meter~, read meter~ on Mira ?

<pre><code>
----------begin_max5_patcher----------
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khbVBxeSm45sbs7mhsjahogXwjaqxtau1OTay34exsMiukDbeKt8I4FpbOCe
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MZR6sSCGMwuQzD9WOZRtfnoO98+Pz7uAah9.L04paZJpoqWuw7+istDCDSWz
GER7n0XbJi2LE8nuD1vb1mfRnRSKRso+Xsr4P+1YSMMrM6yKi9Cv1hs3
-----------end_max5_patcher-----------
</code></pre>

[chapelier fou]

Checking this out asap. Thanks !!

[chapelier fou]

Hey madlab, it works. So thanks !
But i got another problem : the observer is reporting values very slowly, causing a very laggy display... just check the max windox : i would expect it to be flooded with numbers, but it's not :

<pre><code>
----------begin_max5_patcher----------
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1FhmDtHDyBd0+9ocWs94EdAq4G.Yf+28+kum2yK77rlLF7NduWvN7gZJVZes
.F7a95GBV5djBNnrlaEDlp258blRR9CXdBJbU3QyrtcDFETVGgNZrEqp2RXa
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yFbPSor5FUiqlG21t2LFpykVgnav8f6WFjszdKg4t01EIP.6I8uuc1j.rP2E
Soag0IbsTOTX9oB504kE+CPH1MIM
-----------end_max5_patcher-----------
</code></pre>

[trevox]

Hey madlab, it works. So thanks !
But i got another problem : the observer is reporting values very slowly, causing a very laggy display... just check the max windox : i would expect it to be flooded with numbers, but it's not :

<pre><code>
----------begin_max5_patcher----------
738.3ocuWtsbaBCDF9Z7SACW65AwY5csuFcxvHCarUhrDijv0oYRe1qNXhoI
1FhmDtHDyBd0+9ocWs94EdAq4G.Yf+28+kum2yK77rlLF7NduWvN7gZJVZes
.F7a95GBV5djBNnrlaEDlp258blRR9CXdBJbU3QyrtcDFETVGgNZrEqp2RXa
pDPsxIDTBR+c7Q4QqRSJKKJV5GGasTrJz+tSdi2o5cW+ZPZrxQKwuEEOTOL7
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brNdu6xXHJpzDzwQ1PO0dMI4hD.cxJEZrlhNCUJtknlR1CqlPnui2.uQKS.E
ThbDRDVLfDwSkDpsBPtUuQWQIL.KrO60rQIkz.hZNkKbqhIQcvEz.+Ofenra
AfWnpwxU9Zoljf3iT8DcIVFrT+20XYRoCh4l+kGMRYUz6AP1XUU87EuGZpze
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yFbPSor5FUiqlG21t2LFpykVgnav8f6WFjszdKg4t01EIP.6I8uuc1j.rP2E
Soag0IbsTOTX9oB504kE+CPH1MIM
-----------end_max5_patcher-----------
</code></pre>

It's not audio resolution, so it's not going to send enough values to give you a smooth looking meter. Does the meter need to be on a midi track? Can you use a Max audio plugin instead? If so, don't bother with a live.meter at all. I verified it works fine with Mira. If you do need it to be on a midi track, you can send osc data - works pretty well. If you drop this on an audio track:

<pre><code>
----------begin_max5_patcher----------
795.3oc4X9zaaCBFF+rymBj0NlkY.GG6ocoU6xj5occZZxwljPEFrv3rzU08
YeXvIwcKIMlzl9mcAG+B17vu7.ufucfm+TwJRkO3ifuA77tcfmmITS.u1687
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lazjX50uGh86zVdZgos9WHooLvkBVdG8R4qkKpI1cCFzTL7TICiL6wFLnHTW
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JJey4g911uqRmFscA20inbZU5T8gWLw14+fGqbvGibvmM4.OF8L97IGzKK4b
DpI9rpF3CnF7KJ1fdQwFz8ZywqF6RPokk5cPV09JMBQuJ801bjQCM2R41aM4
Q8k58ctt8XSjTodAVkd00ZocgvUQg9CZ5m6F7G.E7vWF
-----------end_max5_patcher-----------
</code></pre>

Then drop this in a midi track:

<pre><code>
----------begin_max5_patcher----------
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YNNzPSCzBqMS6BLxe++7iyw9vCSbvKkaYkXzmPWibbdXhiCzTcCN6p6fKh2l
jGWBCCWvzL0uwSscIpJjU5blF5jtqUaS562vrqLNKWFqwnuuq+Mw5j0bwpen
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PG5HnShrnv3n9B77YzEU77Tz8xJE5aWc4UHVVlwBQqYJVyny4BVhrR.Sw6nD
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iM.MBH1SJniwEZQ2roWrrlmlxDe7fBbpzRzWMgfClOyZeB9be.Oc55POFdl+
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FO7KJ3XkIzSa7xqT1yA1FFfmTuOON4O.EqdkgC
-----------end_max5_patcher-----------
</code></pre>

...it should work!

Not as clean as using the API, but I could never figure out a way of getting any audio rate signals working in an M4L midi effect.

[madlab]

It seems that the Live API runs on low-priority threads and thus introduces unpredictable latency and 'timelapse reports' of values for the live.observer.But this isn't clearly mentioned in the doc. What I had in mind was to connect the meter~ directly to the plugin~ object or after the audio FX in your device. This way it works fine.
See this for a talk about event priority : http://cycling74.com/2004/09/09/event-p ... -vs-queue/
Even if I guess you've already read this...

[chapelier fou]

damn....that's too bad.
Cause i want to display 16 meters from 16 tracks on Mira, so it has to be on it's own track.
The only way i can think of is to put a 'satellite' on each track.
But it makes me wonder how kevinkripper's Ultimate Mixer works ?

EDIT : didn't open your patch, trevox, but it looks like you took this approach.
Thanks !

[chapelier fou]

trevox, i tested your patches, it seems to work smoothly.
But i'd hope for a cleaner approach, since that would be part of my default live set...

[trevox]

trevox, i tested your patches, it seems to work smoothly.
But i'd hope for a cleaner approach, since that would be part of my default live set...

What I posted was just the method for getting the signal from one place to another. If you wanted it fully set up in your default set, I would suggest creating 16 different versions of the first patch I posted with different OSC names (i.e./1_left, /1_Right, /2_left, /2_right...) and then expand the route message in the second patch I posted to include all messages from all 16 individual patches. Drop them all where they should go and save your default patch. No further setup should be needed each time.

I'm afraid if you want to have audio rate signals from several tracks feeding into a single track, live.observer is not really going to cut it. The only other way I can think is to use a live.remote~ object on each audio track and map that to a float which in turn goes into a meter~ object on the patch with the miraframe. I think the UDP method is probably less messy to be honest, though the other method may be more dynamic. If you figure out a way of getting the API to observe audio rate signals, I'd love to know!

[chapelier fou]

Thanks trevox. I did get this. i was just trying to explain that having to drop 'satellites' patches on every track is a bit unconvenient. i am still wondering what approach is used in this patch : http://www.maxforlive.com/library/devic ... mate-mixer

[chapelier fou]

Hey guys ! for your information :
looking in the guts of kevin kripper's Ultimate mixer, i noticed that observing output_meter_level is MUCH slower than observing output_meter_left/right ! i don't know why. Anyway, it works !!
Thanks !