External audio pass through

[mixxxbot]

Reported by: Pegasus-RPG
Date: 2009-04-06T00:36:15Z
Status: Fix Released
Importance: Wishlist
Launchpad Issue: lp355945
Tags: mic, microphone, pass, passthrough, radio, talkover, through, vinylcontrol

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It would be nice, for those of us using vinyl control, to be able to click a radio button on the GUI that disables the waveform and just connects the aux input for vinyl control on that deck to the channel output (so it passes through the cross-fader & fx (if possible,) etc.) That way we can very easily mix external media into our sets, especially when using a MIDI mixer controller instead of a hardware mixer.

[mixxxbot]

Commented by: rryan
Date: 2009-07-10T04:16:49Z

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This is a common enough request that I think we should probably implement it -- possibly a 1.8 side project.

[mixxxbot]

Commented by: ywwg
Date: 2010-09-20T21:35:49Z

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Albert's suggestion was to target this for 1.10, which is also when my features_vinyl stuff is supposed to go in. This would help make 1.10 The Big Vinyl Release :)

[mixxxbot]

Commented by: ywwg
Date: 2013-05-04T04:46:22Z

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Fixed in r3357

[mixxxbot]

Commented by: esbrandt
Date: 2013-05-04T07:23:09Z

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Sounds interesting, but any notes on how to use it? Any new controls in the UI or preferences settings needed?

On Saturday, May 4, 2013 at 6:46 AM, Owen Williams wrote:

Fixed in r3357

** Changed in: mixxx
Milestone: None => 1.12.0

** Changed in: mixxx
Status: Confirmed => Fix Committed

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https://bugs.launchpad.net/bugs/355945

Title:
External audio pass through

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[mixxxbot]

Commented by: ywwg
Date: 2013-05-04T15:38:33Z

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There is a new controlobject called ChannelX,passthrough_enabled which toggles the passthrough state. It is default off so there are no preferences needed, but there will need to be some sort of UI required. In my own version I had the vinyl status widget turn blue when passthrough was on, but this patch just enables the behavior. (We should probably open a separate bug to complete the UI for it)

[mixxxbot]

Commented by: guy-m
Date: 2013-08-29T17:06:44Z

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Built 'master' a couple of hours ago. All seems to work.

Could I please get a quick pointer, I would like to update the Hercules RMX script I'm using to enable it for this feature please?
Even just the commit on GIT for another script that's been updated would be enough I hope.

Not sure where to request this (tried IRC).

Great app!

[mixxxbot]

Commented by: ywwg
Date: 2013-08-29T17:45:22Z

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I just sent this note to someone else, so I'll paste it here:

Right now the passthrough mode isn't revealed in the user interface, but it's possible to assign that function to a key or midi button. For instance to add a keyboard shortcut, you'd make sure your keyboard config file (as described here: http://mixxx.org/manual/latest/chapters/advanced_topics.html#making-a-custom-keyboard-mapping) has:

[Channel1]
passthrough_enabled Ctrl+g

[Channel2]
passthrough_enabled Ctrl+h

or whatever keys you want to use.

I think that function is learnable in the midi control wizard if you
want to assign passthrough to a midi button.

[mixxxbot]

Commented by: guy-m
Date: 2013-08-29T19:15:12Z

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When using either a customer midi binding or the keyboard mapping, I get a similar error:

Debug [Controller]: "MIDI status 0xB0 (ch 1, opcode 0xB), ctrl 0x13, val 0x00" 
Debug [Controller]: Not a function 

Warning [Main]: ControlObject::getControl returning NULL for ( "[Channel1]" , "passthrough_enabled" ) 
Debug [Main]: Warning: Keyboard key is configured for nonexistent control:  "[Channel1]"   "passthrough_enabled" 

Is there a way to double check that the EnginePassthrough is loading properly?

Thought these were the names for the configurations::
m_pEnabled(new ControlObject(ConfigKey(pGroup, "passthrough_enabled"))),
m_pPassing(new ControlPushButton(ConfigKey(pGroup, "passthrough"))),

Sorry to be a bother.

[mixxxbot]

Commented by: ywwg
Date: 2013-09-01T13:49:37Z

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I'm going to open a new bug for this issue.

[mixxxbot]

Commented by: ywwg
Date: 2013-09-01T13:50:42Z

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New bug is: https://bugs.launchpad.net/mixxx/+bug/1219456

[mixxxbot]

Commented by: esbrandt
Date: 2013-10-06T11:31:47Z

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In latest https://github.com/mixxxdj/mixxx/tree/master It works using "passthrough", not "passthrough_enabled", e.g.

[Channel1]
passthrough Ctrl+g

[Channel2]
passthrough Ctrl+h

[mixxxbot]

Issue closed with status Fix Released.