ardour/livetrax
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basic implementation of scrubbing via push2 touch strip

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This commit is contained in:
Paul Davis 2016-06-17 09:21:29 -04:00
parent 6691975031
commit 2afb7f1a30
2 changed files with 32 additions and 1 deletions
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32
libs/surfaces/push2/push2.cc
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@ -465,6 +465,7 @@ Push2::set_active (bool yn)
periodic_timeout->attach (main_loop()->get_context());
init_buttons ();
init_touch_strip ();
switch_bank (0);
} else {
@ -480,6 +481,20 @@ Push2::set_active (bool yn)
return 0;
}
void
Push2::init_touch_strip ()
{
MidiByteArray msg (9, 0xf0, 0x00, 0x21, 0x1d, 0x01, 0x01, 0x17, 0x00, 0xf7);
/* flags are the final byte (ignore end-of-sysex */
/* show bar, not point
autoreturn to center
bar starts at center
*/
msg[7] = (1<<4) | (1<<5) | (1<<6);
write (msg);
}
void
Push2::write (const MidiByteArray& data)
{
@ -648,6 +663,13 @@ Push2::handle_midi_note_on_message (MIDI::Parser&, MIDI::EventTwoBytes* ev)
case 8:
other_vpot_touch (3, ev->velocity > 64);
break;
/* touch strip */
case 12:
if (ev->velocity < 64) {
transport_stop ();
}
break;
}
}
@ -660,7 +682,15 @@ Push2::handle_midi_note_off_message (MIDI::Parser&, MIDI::EventTwoBytes* ev)
void
Push2::handle_midi_pitchbend_message (MIDI::Parser&, MIDI::pitchbend_t pb)
{
cerr << "pitchbend @ " << pb << endl;
if (!session) {
return;
}
float speed;
/* range of +1 .. -1 */
speed = ((int32_t) pb - 8192) / 8192.0;
/* convert to range of +3 .. -3 */
session->request_transport_speed (speed * 3.0);
}
void

1
libs/surfaces/push2/push2.h
View File

@ -286,6 +286,7 @@ class Push2 : public ARDOUR::ControlProtocol
IDButtonMap id_button_map;
void init_buttons ();
void init_touch_strip ();
/* map of Pads by note number */
typedef std::map<int,Pad*> NNPadMap;