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livetrax/libs/surfaces/faderport8/fp8_strip.cc

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/*
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "ardour/automation_control.h"
#include "ardour/gain_control.h"
#include "ardour/meter.h"
#include "ardour/mute_control.h"
#include "ardour/plugin_insert.h"
#include "ardour/session.h"
#include "ardour/solo_control.h"
#include "ardour/stripable.h"
#include "ardour/track.h"
#include "ardour/value_as_string.h"
#include "control_protocol/control_protocol.h"
#include "fp8_strip.h"
using namespace ARDOUR;
using namespace ArdourSurface;
using namespace ArdourSurface::FP8Types;
FP8Strip::FP8Strip (FP8Base& b, uint8_t id)
: _base (b)
, _id (id)
, _solo (b, 0x08 + id)
, _mute (b, 0x10 + id)
, _selrec (b, 0x18 + id, true)
, _touching (false)
, _strip_mode (0)
, _bar_mode (0)
, _displaymode (Stripables)
{
assert (id < 8);
_last_fader = 65535;
_last_meter = _last_redux = _last_panpos = 0xff;
_mute.StateChange.connect_same_thread (_button_connections, boost::bind (&FP8Strip::set_mute, this, _1));
_solo.StateChange.connect_same_thread (_button_connections, boost::bind (&FP8Strip::set_solo, this, _1));
select_button ().released.connect_same_thread (_button_connections, boost::bind (&FP8Strip::set_select, this));
recarm_button ().released.connect_same_thread (_button_connections, boost::bind (&FP8Strip::set_recarm, this));
b.Periodic.connect_same_thread (_base_connection, boost::bind (&FP8Strip::periodic, this));
}
FP8Strip::~FP8Strip ()
{
_fader_connection.disconnect ();
_mute_connection.disconnect ();
_solo_connection.disconnect ();
_rec_connection.disconnect ();
_pan_connection.disconnect ();
_fader_ctrl.reset ();
_mute_ctrl.reset ();
_solo_ctrl.reset ();
_rec_ctrl.reset ();
_pan_ctrl.reset ();
_base_connection.disconnect ();
_button_connections.drop_connections ();
}
void
FP8Strip::initialize ()
{
/* this is called once midi transmission is possible,
* ie from FaderPort8::connected()
*/
_solo.set_active (false);
_mute.set_active (false);
/* reset momentary button state */
_mute.reset ();
_solo.reset ();
/* clear cached values */
_last_fader = 65535;
_last_meter = _last_redux = _last_panpos = 0xff;
select_button ().set_color (0xffffffff);
select_button ().set_active (false);
select_button ().set_blinking (false);
recarm_button ().set_active (false);
recarm_button ().set_color (0xffffffff);
set_strip_mode (0, true);
// force unset txt
_last_line[0].clear ();
_last_line[1].clear ();
_last_line[2].clear ();
_last_line[3].clear ();
_base.tx_sysex (4, 0x12, _id, 0x00, 0x00);
_base.tx_sysex (4, 0x12, _id, 0x01, 0x00);
_base.tx_sysex (4, 0x12, _id, 0x02, 0x00);
_base.tx_sysex (4, 0x12, _id, 0x03, 0x00);
set_bar_mode (4); // off
_base.tx_midi2 (0xd0 + _id, 0); // reset meter
_base.tx_midi2 (0xd8 + _id, 0); // reset redux
_base.tx_midi3 (0xe0 + _id, 0, 0); // fader
}
#define GENERATE_SET_CTRL_FUNCTION(NAME) \
void \
FP8Strip::set_ ##NAME##_controllable (boost::shared_ptr<AutomationControl> ac) \
{ \
if (_##NAME##_ctrl == ac) { \
return; \
} \
_##NAME##_connection.disconnect(); \
_##NAME##_ctrl = ac; \
\
if (ac) { \
ac->Changed.connect (_##NAME##_connection, MISSING_INVALIDATOR, \
boost::bind (&FP8Strip::notify_##NAME##_changed, this), fp8_context()); \
} \
notify_##NAME##_changed (); \
}
GENERATE_SET_CTRL_FUNCTION (fader)
GENERATE_SET_CTRL_FUNCTION (mute)
GENERATE_SET_CTRL_FUNCTION (solo)
GENERATE_SET_CTRL_FUNCTION (rec)
GENERATE_SET_CTRL_FUNCTION (pan)
#undef GENERATE_SET_CTRL_FUNCTION
void
FP8Strip::unset_controllables (int which)
{
_peak_meter = boost::shared_ptr<ARDOUR::PeakMeter>();
_redux_ctrl = boost::shared_ptr<ARDOUR::ReadOnlyControl>();
if (which & CTRL_FADER) {
set_fader_controllable (boost::shared_ptr<AutomationControl>());
}
if (which & CTRL_MUTE) {
set_mute_controllable (boost::shared_ptr<AutomationControl>());
}
if (which & CTRL_SOLO) {
set_solo_controllable (boost::shared_ptr<AutomationControl>());
}
if (which & CTRL_REC) {
set_rec_controllable (boost::shared_ptr<AutomationControl>());
}
if (which & CTRL_PAN) {
set_bar_mode (4); // off
set_pan_controllable (boost::shared_ptr<AutomationControl>());
}
if (which & CTRL_SELECT) {
_select_plugin_functor.clear ();
select_button ().set_color (0xffffffff);
select_button ().set_active (false);
select_button ().set_blinking (false);
}
if (which & CTRL_TEXT1) {
set_text_line (0x00, "");
}
if (which & CTRL_TEXT2) {
set_text_line (0x01, "");
}
if (which & CTRL_TEXT3) {
set_text_line (0x02, "");
}
if (which & CTRL_TEXT4) {
set_text_line (0x03, "");
}
}
void
FP8Strip::set_stripable (boost::shared_ptr<Stripable> s, bool panmode)
{
assert (s);
if (panmode) {
set_fader_controllable (s->pan_azimuth_control ());
} else {
set_fader_controllable (s->gain_control ());
}
set_pan_controllable (s->pan_azimuth_control ());
if (s->is_monitor ()) {
set_mute_controllable (boost::shared_ptr<AutomationControl>());
} else {
set_mute_controllable (s->mute_control ());
}
set_solo_controllable (s->solo_control ());
if (boost::dynamic_pointer_cast<Track> (s)) {
boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(s);
set_rec_controllable (t->rec_enable_control ());
recarm_button ().set_color (0xff0000ff);
} else {
set_rec_controllable (boost::shared_ptr<AutomationControl>());
recarm_button ().set_color (0xffffffff);
recarm_button ().set_active (false);
}
_peak_meter = s->peak_meter ();
_redux_ctrl = s->comp_redux_controllable ();
_select_plugin_functor.clear ();
select_button ().set_active (s->is_selected ());
select_button ().set_color (s->presentation_info ().color());
//select_button ().set_blinking (false);
set_strip_mode (0x05);
set_text_line (0x00, s->name ());
set_text_line (0x01, _pan_ctrl ? _pan_ctrl->get_user_string () : "");
set_text_line (0x02, "");
set_text_line (0x03, "");
}
void
FP8Strip::set_select_cb (boost::function<void ()>& functor)
{
_select_plugin_functor.clear ();
_select_plugin_functor = functor;
}
/* *****************************************************************************
* Parse Strip Specifig MIDI Events
*/
bool
FP8Strip::midi_touch (bool t)
{
_touching = t;
boost::shared_ptr<AutomationControl> ac = _fader_ctrl;
if (!ac) {
return false;
}
if (t) {
ac->start_touch (ac->session().transport_frame());
} else {
ac->stop_touch (true, ac->session().transport_frame());
}
return true;
}
bool
FP8Strip::midi_fader (float val)
{
assert (val >= 0.f && val <= 1.f);
if (!_touching) {
return false;
}
boost::shared_ptr<AutomationControl> ac = _fader_ctrl;
if (!ac) {
return false;
}
ac->set_value (ac->interface_to_internal (val), PBD::Controllable::UseGroup);
return true;
}
/* *****************************************************************************
* Actions from Controller, Update Model
*/
void
FP8Strip::set_mute (bool on)
{
if (_mute_ctrl) {
if (!_mute_ctrl->touching ()) {
_mute_ctrl->start_touch (_mute_ctrl->session().transport_frame());
}
_mute_ctrl->set_value (on ? 1.0 : 0.0, PBD::Controllable::UseGroup);
}
}
void
FP8Strip::set_solo (bool on)
{
if (_solo_ctrl) {
if (!_solo_ctrl->touching ()) {
_solo_ctrl->start_touch (_solo_ctrl->session().transport_frame());
}
_solo_ctrl->set_value (on ? 1.0 : 0.0, PBD::Controllable::UseGroup);
}
}
void
FP8Strip::set_recarm ()
{
if (_rec_ctrl) {
const bool on = !recarm_button().is_active();
_rec_ctrl->set_value (on ? 1.0 : 0.0, PBD::Controllable::UseGroup);
}
}
void
FP8Strip::set_select ()
{
if (!_select_plugin_functor.empty ()) {
_select_plugin_functor ();
}
}
/* *****************************************************************************
* Callbacks from Stripable, Update View
*/
void
FP8Strip::notify_fader_changed ()
{
boost::shared_ptr<AutomationControl> ac = _fader_ctrl;
if (_touching) {
return;
}
float val = 0;
if (ac) {
val = ac->internal_to_interface (ac->get_value()) * 16368.f; /* 16 * 1023 */
}
unsigned short mv = lrintf (val);
if (mv == _last_fader) {
return;
}
_last_fader = mv;
_base.tx_midi3 (0xe0 + _id, (mv & 0x7f), (mv >> 7) & 0x7f);
}
void
FP8Strip::notify_solo_changed ()
{
if (_solo_ctrl) {
_solo.set_active (_solo_ctrl->get_value () > 0);
} else {
_solo.set_active (false);
}
}
void
FP8Strip::notify_mute_changed ()
{
if (_mute_ctrl) {
_mute.set_active (_mute_ctrl->get_value () > 0);
} else {
_mute.set_active (false);
}
}
void
FP8Strip::notify_rec_changed ()
{
if (_rec_ctrl) {
recarm_button ().set_active (_rec_ctrl->get_value() > 0.);
} else {
recarm_button ().set_active (false);
}
}
void
FP8Strip::notify_pan_changed ()
{
}
/* *****************************************************************************
* Periodic View Updates
*/
void
FP8Strip::periodic_update_fader ()
{
boost::shared_ptr<AutomationControl> ac = _fader_ctrl;
if (!ac || _touching) {
return;
}
ARDOUR::AutoState state = ac->automation_state();
if (state == Touch || state == Play) {
notify_fader_changed ();
}
}
void
FP8Strip::periodic_update_meter ()
{
bool have_meter = false;
bool have_panner = false;
if (_peak_meter) {
have_meter = true;
float dB = _peak_meter->meter_level (0, MeterMCP);
// TODO: deflect meter
int val = std::min (127.f, std::max (0.f, 2.f * dB + 127.f));
if (val != _last_meter || val > 0) {
_base.tx_midi2 (0xd0 + _id, val & 0x7f); // falls off automatically
_last_meter = val;
}
} else {
if (0 != _last_meter) {
_base.tx_midi2 (0xd0 + _id, 0);
_last_meter = 0;
}
}
// show redux only if there's a meter, too (strip display mode 5)
if (_peak_meter && _redux_ctrl) {
float rx = (1.f - _redux_ctrl->get_parameter ()) * 127.f;
// TODO: deflect redux
int val = std::min (127.f, std::max (0.f, rx));
if (val != _last_redux) {
_base.tx_midi2 (0xd8 + _id, val & 0x7f);
_last_redux = val;
}
} else {
if (0 != _last_redux) {
_base.tx_midi2 (0xd8 + _id, 0);
_last_redux = 0;
}
}
if (_displaymode == PluginParam) {
set_bar_mode (4); // Off
if (_fader_ctrl) {
set_text_line (0x01, value_as_string(_fader_ctrl->desc(), _fader_ctrl->get_value()));
} else {
set_text_line (0x01, "");
}
} else if (_pan_ctrl) {
have_panner = true;
float panpos = _pan_ctrl->internal_to_interface (_pan_ctrl->get_value());
int val = std::min (127.f, std::max (0.f, panpos * 128.f));
set_bar_mode (1); // Bipolar
if (val != _last_panpos) {
_base.tx_midi3 (0xb0, 0x30 + _id, val & 0x7f);
_last_panpos = val;
}
set_text_line (0x01, _pan_ctrl->get_user_string ());
} else {
set_bar_mode (4); // Off
}
if (have_meter && have_panner) {
set_strip_mode (5); // small meter mode
}
else if (have_meter) {
set_strip_mode (4); // big meter mode
}
else if (have_panner) {
set_strip_mode (0); // 3 lines of text + value
} else {
set_strip_mode (0); // 3 lines of text + value
}
}
void
FP8Strip::set_strip_mode (uint8_t strip_mode, bool clear)
{
if (strip_mode == _strip_mode && !clear) {
return;
}
_strip_mode = strip_mode;
_base.tx_sysex (3, 0x13, _id, (_strip_mode & 0x07) | (clear ? 0x10 : 0));
//_base.tx_midi3 (0xb0, 0x38 + _id, _bar_mode);
}
void
FP8Strip::set_bar_mode (uint8_t bar_mode)
{
if (bar_mode == _bar_mode) {
return;
}
_bar_mode = bar_mode;
_base.tx_midi3 (0xb0, 0x38 + _id, bar_mode);
}
void
FP8Strip::set_text_line (uint8_t line, std::string const& txt)
{
assert (line < 4);
if (_last_line[line] == txt) {
return;
}
_base.tx_text (_id, line, 0x00, txt);
_last_line[line] = txt;
}
void
FP8Strip::periodic_update_timecode ()
{
if (_id >= 2 && _id < 6) {
std::string const& tc = _base.timecode();
//" HH:MM:SS:FF"
std::string t;
if (tc.size () == 12) {
t = tc.substr (1 + (_id - 2) * 3, 2);
}
set_text_line (0x02, t);
}
}
void
FP8Strip::periodic ()
{
periodic_update_fader ();
periodic_update_meter ();
if (_displaymode != PluginSelect) {
periodic_update_timecode ();
}
}
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