initial documentation for Pioneer DDH GRV6.

Author: joergbeyer

source/_static/controllers/pioneer_ddj_grv6_photo.jpg

@@ -0,0 +1,95 @@
+Pioneer DDJ-GRV6
+================
+
+.. sectionauthor::
+   Jörg Beyer <joerg.beyer@gmail.com>
+
+(I need to reach out to the manufacturer Pioneer and ask for persionion to use a diagram from their documentation.
+Meanwhile, here is a photo)
+
+.. figure:: ../../_static/controllers/pioneer_ddj_grv6_photo.jpg
+   :align: center
+   :width: 100%
+   :figwidth: 100%
+   :alt: Pioneer DDJ-GRV6 (photo)
+   :figclass: pretty-figures
+
+   Pioneer DDJ-GRV6 (photo)
+
+
+
+The Pioneer DDJ-GRV6 is a 4 deck USB controller with an integrated audio interface
+designed for rekordbox.
+
+- `Manufacturer's Product Page <https://support.pioneerdj.com/hc/en-us/sections/37070449483417-DDJ-GRV6/>`__
+- `Midi Mappings <https://www.pioneerdj.com/-/media/pioneerdj/software-info/controller/ddj-grv6/ddj-grv6_midi_message_list_e1.pdf>`__
+- `Forum discussion <https://mixxx.discourse.group/t/working-on-a-pioneer-ddj-grv6-mapping/33114>`__
+
+.. versionadded:: 2.7.0
+
+Compatibility
+-----------------
+
+The Pioneer DDJ-GRV6 is USB audio and MIDI class compliant and works
+with Linux, Windows, and macOS without needing to install any drivers.
+
+Audio Setup
+-----------
+
+Configure Mixxx's :ref:`sound hardware settings <preferences-sound-hardware>` as follows:
+
+============ ========
+Output       Channel
+============ ========
+Main         1-2
+Headphones   3-4
+============ ========
+
+Controller Mapping
+------------------
+
+TBD
+
+Browser section
+~~~~~~~~~~~~~~~
+
+========  ==================================================  ==========================================
+No.       Control                                             Function
+========  ==================================================  ==========================================
+1         :hwlabel:`LOAD` buttons                             Load track selected in library into deck.
+2         Rotary Selector                                     Press to toggle focus between the library sidebar and associated panels. Turn to move focus up or down.
+========  ==================================================  ==========================================
+
+Deck sections
+~~~~~~~~~~~~~
+
+The Controller has 2 hardware decks, but emulates 4 decks. Use the deck selector buttons
+
+
+Mixer section
+~~~~~~~~~~~~~
+
+
+=======================================================  ======================================================================
+Control                                                  Function
+=======================================================  ======================================================================
+:hwlabel:`TRIM`                                          Adjusts deck prefader gain
+:hwlabel:`MASTER`                                        Adjusts main output (this is hardware implemented and is not mapped
+                                                         to the software gain in Mixxx).
+:hwlabel:`MASTER` :hwlabel:`CUE`                         Sends main output to headphones (this is hardware implemented and is
+                                                         not visible in the Mixxx interface).
+EQs (:hwlabel:`LOW` :hwlabel:`MID` :hwlabel:`HIGH`)      Boosts or cuts channel frequencies
+Channel level indicators                                 Displays channel levels (before being sent through channel faders)
+:hwlabel:`HEADPHONES` :hwlabel:`MIXING`                  Adjusts between headphone :hwlabel:`CUE` and :hwlabel:`MASTER` levels sent to headphones
+:hwlabel:`FILTER`                                        QuickEffect superknob (by default controls a Filter, but this can be changed in the :ref:`preferences <preferences-equalizers>`)
+:hwlabel:`HEADPHONES` :hwlabel:`LEVEL`                   Adjusts output level from :hwlabel:`PHONES` jack
+Headphone :hwlabel:`CUE` (Channel)                       Turn on to output channel to headphones
+:hwlabel:`SHIFT` + Headphone :hwlabel:`CUE`              Toggles quantize for the current channel
+Channel fader                                            Adjusts channel levels output to main
+Crossfader                                               Fade between left and right channels
+=======================================================  ======================================================================
+
+Effect section
+~~~~~~~~~~~~~~
+
+not yet fully working. You can't currently change the effects with the Hardware rotation knob.