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livetrax/libs/surfaces/push2/push2.cc

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/*
Copyright (C) 2016 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cairomm/context.h>
#include <cairomm/surface.h>
#include <pangomm/layout.h>
#include "pbd/compose.h"
#include "pbd/convert.h"
#include "pbd/debug.h"
#include "pbd/failed_constructor.h"
#include "midi++/parser.h"
#include "timecode/time.h"
#include "timecode/bbt_time.h"
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#include "ardour/async_midi_port.h"
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#include "ardour/audioengine.h"
#include "ardour/debug.h"
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#include "ardour/midiport_manager.h"
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#include "ardour/session.h"
#include "ardour/tempo.h"
#include "push2.h"
using namespace ARDOUR;
using namespace std;
using namespace PBD;
using namespace Glib;
using namespace ArdourSurface;
#include "i18n.h"
#include "pbd/abstract_ui.cc" // instantiate template
const int Push2::cols = 960;
const int Push2::rows = 160;
const int Push2::pixels_per_row = 1024;
#define ABLETON 0x2982
#define PUSH2 0x1967
Push2::Push2 (ARDOUR::Session& s)
: ControlProtocol (s, string (X_("Ableton Push 2")))
, AbstractUI<Push2Request> (name())
, handle (0)
, device_buffer (0)
, frame_buffer (Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, cols, rows))
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, modifier_state (None)
, bank_start (0)
{
context = Cairo::Context::create (frame_buffer);
tc_clock_layout = Pango::Layout::create (context);
bbt_clock_layout = Pango::Layout::create (context);
Pango::FontDescription fd ("Sans Bold 24");
tc_clock_layout->set_font_description (fd);
bbt_clock_layout->set_font_description (fd);
Pango::FontDescription fd2 ("Sans 10");
for (int n = 0; n < 8; ++n) {
upper_layout[n] = Pango::Layout::create (context);
upper_layout[n]->set_font_description (fd2);
upper_layout[n]->set_text ("solo");
lower_layout[n] = Pango::Layout::create (context);
lower_layout[n]->set_font_description (fd2);
lower_layout[n]->set_text ("mute");
}
Pango::FontDescription fd3 ("Sans Bold 10");
for (int n = 0; n < 8; ++n) {
mid_layout[n] = Pango::Layout::create (context);
mid_layout[n]->set_font_description (fd3);
}
build_maps ();
if (open ()) {
throw failed_constructor ();
}
}
Push2::~Push2 ()
{
stop ();
}
int
Push2::open ()
{
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int err;
if (handle) {
/* already open */
return 0;
}
if ((handle = libusb_open_device_with_vid_pid (NULL, ABLETON, PUSH2)) == 0) {
return -1;
}
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if ((err = libusb_claim_interface (handle, 0x00))) {
return -1;
}
device_frame_buffer = new uint16_t[rows*pixels_per_row];
memset (device_frame_buffer, 0, sizeof (uint16_t) * rows * pixels_per_row);
frame_header[0] = 0xef;
frame_header[1] = 0xcd;
frame_header[2] = 0xab;
frame_header[3] = 0x89;
memset (&frame_header[4], 0, 12);
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/* setup ports */
_async_in = AudioEngine::instance()->register_input_port (DataType::MIDI, X_("push2 in"), true);
_async_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("push2 out"), true);
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if (_async_in == 0 || _async_out == 0) {
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return -1;
}
_input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_in).get();
_output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_out).get();
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connect_to_parser ();
return 0;
}
int
Push2::close ()
{
init_buttons (false);
/* wait for button data to be flushed */
AsyncMIDIPort* asp;
asp = dynamic_cast<AsyncMIDIPort*> (_output_port);
asp->drain (10000, 500000);
AudioEngine::instance()->unregister_port (_async_in);
AudioEngine::instance()->unregister_port (_async_out);
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_async_in.reset ((ARDOUR::Port*) 0);
_async_out.reset ((ARDOUR::Port*) 0);
_input_port = 0;
_output_port = 0;
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vblank_connection.disconnect ();
periodic_connection.disconnect ();
session_connections.drop_connections ();
stripable_connections.drop_connections ();
if (handle) {
libusb_release_interface (handle, 0x00);
libusb_close (handle);
handle = 0;
}
for (int n = 0; n < 8; ++n) {
stripable[n].reset ();
}
delete [] device_frame_buffer;
device_frame_buffer = 0;
return 0;
}
void
Push2::init_buttons (bool startup)
{
/* This is a list of buttons that we want lit because they do something
in ardour related (loosely, sometimes) to their illuminated label.
*/
ButtonID buttons[] = { Mute, Solo, Master, Up, Right, Left, Down, Note, Session, Mix, AddTrack, Delete, Undo,
Metronome, Shift, Select, Play, RecordEnable, Automate, Repeat, Note, Session, DoubleLoop,
Quantize, Duplicate, Browse,
};
for (size_t n = 0; n < sizeof (buttons) / sizeof (buttons[0]); ++n) {
Button* b = id_button_map[buttons[n]];
if (startup) {
b->set_color (LED::White);
} else {
b->set_color (LED::Black);
}
b->set_state (LED::OneShot24th);
write (b->state_msg());
}
/* Strip buttons should all be off (black) by default. They will change
* color to reflect various conditions
*/
ButtonID strip_buttons[] = { Upper1, Upper2, Upper3, Upper4, Upper5, Upper6, Upper7, Upper8,
Lower1, Lower2, Lower3, Lower4, Lower5, Lower6, Lower7, Lower8, };
for (size_t n = 0; n < sizeof (strip_buttons) / sizeof (strip_buttons[0]); ++n) {
Button* b = id_button_map[strip_buttons[n]];
b->set_color (LED::Black);
b->set_state (LED::OneShot24th);
write (b->state_msg());
}
if (startup) {
/* all other buttons are off (black) */
ButtonID off_buttons[] = { TapTempo, Setup, User, Stop, Convert, New, FixedLength,
Fwd32ndT, Fwd32nd, Fwd16thT, Fwd16th, Fwd8thT, Fwd8th, Fwd4trT, Fwd4tr,
Accent, Scale, Layout, Note, Session, OctaveUp, PageRight, OctaveDown, PageLeft, };
for (size_t n = 0; n < sizeof (off_buttons) / sizeof (off_buttons[0]); ++n) {
Button* b = id_button_map[off_buttons[n]];
b->set_color (LED::Black);
b->set_state (LED::OneShot24th);
write (b->state_msg());
}
}
}
bool
Push2::probe ()
{
libusb_device_handle *h;
libusb_init (NULL);
if ((h = libusb_open_device_with_vid_pid (NULL, ABLETON, PUSH2)) == 0) {
DEBUG_TRACE (DEBUG::Push2, "no Push2 device found\n");
return false;
}
libusb_close (h);
DEBUG_TRACE (DEBUG::Push2, "Push2 device located\n");
return true;
}
void*
Push2::request_factory (uint32_t num_requests)
{
/* AbstractUI<T>::request_buffer_factory() is a template method only
instantiated in this source module. To provide something visible for
use in the interface/descriptor, we have this static method that is
template-free.
*/
return request_buffer_factory (num_requests);
}
void
Push2::do_request (Push2Request * req)
{
DEBUG_TRACE (DEBUG::Push2, string_compose ("doing request type %1\n", req->type));
if (req->type == CallSlot) {
call_slot (MISSING_INVALIDATOR, req->the_slot);
} else if (req->type == Quit) {
stop ();
}
}
int
Push2::stop ()
{
BaseUI::quit ();
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close ();
return 0;
}
/** render host-side frame buffer (a Cairo ImageSurface) to the current
* device-side frame buffer. The device frame buffer will be pushed to the
* device on the next call to vblank()
*/
int
Push2::blit_to_device_frame_buffer ()
{
/* ensure that all drawing has been done before we fetch pixel data */
frame_buffer->flush ();
const int stride = 3840; /* bytes per row for Cairo::FORMAT_ARGB32 */
const uint8_t* data = frame_buffer->get_data ();
/* fill frame buffer (320kB) */
uint16_t* fb = (uint16_t*) device_frame_buffer;
for (int row = 0; row < rows; ++row) {
const uint8_t* dp = data + row * stride;
for (int col = 0; col < cols; ++col) {
/* fetch r, g, b (range 0..255). Ignore alpha */
const int r = (*((const uint32_t*)dp) >> 16) & 0xff;
const int g = (*((const uint32_t*)dp) >> 8) & 0xff;
const int b = *((const uint32_t*)dp) & 0xff;
/* convert to 5 bits, 6 bits, 5 bits, respectively */
/* generate 16 bit BGB565 value */
*fb++ = (r >> 3) | ((g & 0xfc) << 3) | ((b & 0xf8) << 8);
/* the push2 docs state that we should xor the pixel
* data. Doing so doesn't work correctly, and not doing
* so seems to work fine (colors roughly match intended
* values).
*/
dp += 4;
}
/* skip 128 bytes to next line. This is filler, used to avoid line borders occuring in the middle of 512
byte USB buffers
*/
fb += 64; /* 128 bytes = 64 int16_t */
}
return 0;
}
bool
Push2::redraw ()
{
string tc_clock_text;
string bbt_clock_text;
if (session) {
framepos_t audible = session->audible_frame();
Timecode::Time TC;
bool negative = false;
if (audible < 0) {
audible = -audible;
negative = true;
}
session->timecode_time (audible, TC);
TC.negative = TC.negative || negative;
tc_clock_text = Timecode::timecode_format_time(TC);
Timecode::BBT_Time bbt = session->tempo_map().bbt_at_frame (audible);
char buf[16];
#define BBT_BAR_CHAR "|"
if (negative) {
snprintf (buf, sizeof (buf), "-%03" PRIu32 BBT_BAR_CHAR "%02" PRIu32 BBT_BAR_CHAR "%04" PRIu32,
bbt.bars, bbt.beats, bbt.ticks);
} else {
snprintf (buf, sizeof (buf), " %03" PRIu32 BBT_BAR_CHAR "%02" PRIu32 BBT_BAR_CHAR "%04" PRIu32,
bbt.bars, bbt.beats, bbt.ticks);
}
bbt_clock_text = buf;
}
bool dirty = false;
if (tc_clock_text != tc_clock_layout->get_text()) {
dirty = true;
tc_clock_layout->set_text (tc_clock_text);
}
if (bbt_clock_text != tc_clock_layout->get_text()) {
dirty = true;
bbt_clock_layout->set_text (bbt_clock_text);
}
string mid_text;
for (int n = 0; n < 8; ++n) {
if (stripable[n]) {
mid_text = short_version (stripable[n]->name(), 10);
if (mid_text != mid_layout[n]->get_text()) {
mid_layout[n]->set_text (mid_text);
dirty = true;
}
}
}
if (!dirty) {
return false;
}
context->set_source_rgb (0.764, 0.882, 0.882);
context->rectangle (0, 0, 960, 160);
context->fill ();
context->set_source_rgb (0.23, 0.0, 0.349);
context->move_to (650, 25);
tc_clock_layout->update_from_cairo_context (context);
tc_clock_layout->show_in_cairo_context (context);
context->move_to (650, 60);
bbt_clock_layout->update_from_cairo_context (context);
bbt_clock_layout->show_in_cairo_context (context);
for (int n = 0; n < 8; ++n) {
context->move_to (10 + (n*120), 2);
upper_layout[n]->update_from_cairo_context (context);
upper_layout[n]->show_in_cairo_context (context);
}
for (int n = 0; n < 8; ++n) {
context->move_to (10 + (n*120), 140);
lower_layout[n]->update_from_cairo_context (context);
lower_layout[n]->show_in_cairo_context (context);
}
for (int n = 0; n < 8; ++n) {
if (stripable[n] && stripable[n]->presentation_info().selected()) {
context->rectangle (10 + (n*120) - 5, 115, 120, 22);
context->set_source_rgb (1.0, 0.737, 0.172);
context->fill();
}
context->set_source_rgb (0.0, 0.0, 0.0);
context->move_to (10 + (n*120), 120);
mid_layout[n]->update_from_cairo_context (context);
mid_layout[n]->show_in_cairo_context (context);
}
/* render clock */
/* render foo */
/* render bar */
return true;
}
bool
Push2::vblank ()
{
int transferred = 0;
const int timeout_msecs = 1000;
int err;
if ((err = libusb_bulk_transfer (handle, 0x01, frame_header, sizeof (frame_header), &transferred, timeout_msecs))) {
return false;
}
if (redraw()) {
/* things changed */
blit_to_device_frame_buffer ();
}
if ((err = libusb_bulk_transfer (handle, 0x01, (uint8_t*) device_frame_buffer , 2 * rows * pixels_per_row, &transferred, timeout_msecs))) {
return false;
}
return true;
}
int
Push2::set_active (bool yn)
{
DEBUG_TRACE (DEBUG::Push2, string_compose("Push2Protocol::set_active init with yn: '%1'\n", yn));
if (yn == active()) {
return 0;
}
if (yn) {
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/* start event loop */
BaseUI::run ();
if (open ()) {
DEBUG_TRACE (DEBUG::Push2, "device open failed\n");
close ();
return -1;
}
/* Connect input port to event loop */
AsyncMIDIPort* asp;
asp = dynamic_cast<AsyncMIDIPort*> (_input_port);
asp->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &Push2::midi_input_handler), _input_port));
asp->xthread().attach (main_loop()->get_context());
connect_session_signals ();
/* set up periodic task used to push a frame buffer to the
* device (25fps). The device can handle 60fps, but we don't
* need that frame rate.
*/
Glib::RefPtr<Glib::TimeoutSource> vblank_timeout = Glib::TimeoutSource::create (40); // milliseconds
vblank_connection = vblank_timeout->connect (sigc::mem_fun (*this, &Push2::vblank));
vblank_timeout->attach (main_loop()->get_context());
Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (1000); // milliseconds
periodic_connection = periodic_timeout->connect (sigc::mem_fun (*this, &Push2::periodic));
periodic_timeout->attach (main_loop()->get_context());
init_buttons (true);
init_touch_strip ();
switch_bank (0);
} else {
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stop ();
}
ControlProtocol::set_active (yn);
DEBUG_TRACE (DEBUG::Push2, string_compose("Push2Protocol::set_active done with yn: '%1'\n", yn));
return 0;
}
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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);
}
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void
Push2::write (const MidiByteArray& data)
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{
/* immediate delivery */
_output_port->write (&data[0], data.size(), 0);
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}
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bool
Push2::midi_input_handler (IOCondition ioc, MIDI::Port* port)
{
if (ioc & ~IO_IN) {
DEBUG_TRACE (DEBUG::Push2, "MIDI port closed\n");
return false;
}
if (ioc & IO_IN) {
// DEBUG_TRACE (DEBUG::Push2, string_compose ("something happend on %1\n", port->name()));
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AsyncMIDIPort* asp = dynamic_cast<AsyncMIDIPort*>(port);
if (asp) {
asp->clear ();
}
//DEBUG_TRACE (DEBUG::Push2, string_compose ("data available on %1\n", port->name()));
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framepos_t now = AudioEngine::instance()->sample_time();
port->parse (now);
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}
return true;
}
bool
Push2::periodic ()
{
return true;
}
void
Push2::connect_to_parser ()
{
DEBUG_TRACE (DEBUG::Push2, string_compose ("Connecting to signals on port %2\n", _input_port->name()));
MIDI::Parser* p = _input_port->parser();
/* Incoming sysex */
p->sysex.connect_same_thread (*this, boost::bind (&Push2::handle_midi_sysex, this, _1, _2, _3));
/* V-Pot messages are Controller */
p->controller.connect_same_thread (*this, boost::bind (&Push2::handle_midi_controller_message, this, _1, _2));
/* Button messages are NoteOn */
p->note_on.connect_same_thread (*this, boost::bind (&Push2::handle_midi_note_on_message, this, _1, _2));
/* Button messages are NoteOn but libmidi++ sends note-on w/velocity = 0 as note-off so catch them too */
p->note_off.connect_same_thread (*this, boost::bind (&Push2::handle_midi_note_on_message, this, _1, _2));
/* Fader messages are Pitchbend */
p->channel_pitchbend[0].connect_same_thread (*this, boost::bind (&Push2::handle_midi_pitchbend_message, this, _1, _2));
}
void
Push2::handle_midi_sysex (MIDI::Parser&, MIDI::byte* raw_bytes, size_t sz)
{
DEBUG_TRACE (DEBUG::Push2, string_compose ("Sysex, %1 bytes\n", sz));
}
void
Push2::handle_midi_controller_message (MIDI::Parser&, MIDI::EventTwoBytes* ev)
{
DEBUG_TRACE (DEBUG::Push2, string_compose ("CC %1 (value %2)\n", (int) ev->controller_number, (int) ev->value));
CCButtonMap::iterator b = cc_button_map.find (ev->controller_number);
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if (ev->value) {
/* any press cancels any pending long press timeouts */
for (set<ButtonID>::iterator x = buttons_down.begin(); x != buttons_down.end(); ++x) {
Button* bb = id_button_map[*x];
bb->timeout_connection.disconnect ();
}
}
if (b != cc_button_map.end()) {
Button* button = b->second;
if (ev->value) {
buttons_down.insert (button->id);
start_press_timeout (*button, button->id);
} else {
buttons_down.erase (button->id);
button->timeout_connection.disconnect ();
}
set<ButtonID>::iterator c = consumed.find (button->id);
if (c == consumed.end()) {
if (ev->value == 0) {
(this->*button->release_method)();
} else {
(this->*button->press_method)();
}
} else {
DEBUG_TRACE (DEBUG::Push2, "button was consumed, ignored\n");
consumed.erase (c);
}
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} else {
/* encoder/vpot */
int delta = ev->value;
if (delta > 63) {
delta = -(128 - delta);
}
switch (ev->controller_number) {
case 71:
strip_vpot (0, delta);
break;
case 72:
strip_vpot (1, delta);
break;
case 73:
strip_vpot (2, delta);
break;
case 74:
strip_vpot (3, delta);
break;
case 75:
strip_vpot (4, delta);
break;
case 76:
strip_vpot (5, delta);
break;
case 77:
strip_vpot (6, delta);
break;
case 78:
strip_vpot (7, delta);
break;
/* left side pair */
case 14:
strip_vpot (8, delta);
break;
case 15:
other_vpot (1, delta);
break;
/* right side */
case 79:
other_vpot (2, delta);
break;
}
}
}
void
Push2::handle_midi_note_on_message (MIDI::Parser&, MIDI::EventTwoBytes* ev)
{
DEBUG_TRACE (DEBUG::Push2, string_compose ("Note On %1 (velocity %2)\n", (int) ev->note_number, (int) ev->velocity));
switch (ev->note_number) {
case 0:
strip_vpot_touch (0, ev->velocity > 64);
break;
case 1:
strip_vpot_touch (1, ev->velocity > 64);
break;
case 2:
strip_vpot_touch (2, ev->velocity > 64);
break;
case 3:
strip_vpot_touch (3, ev->velocity > 64);
break;
case 4:
strip_vpot_touch (4, ev->velocity > 64);
break;
case 5:
strip_vpot_touch (5, ev->velocity > 64);
break;
case 6:
strip_vpot_touch (6, ev->velocity > 64);
break;
case 7:
strip_vpot_touch (7, ev->velocity > 64);
break;
/* left side */
case 10:
other_vpot_touch (0, ev->velocity > 64);
break;
case 9:
other_vpot_touch (1, ev->velocity > 64);
break;
/* right side */
case 8:
other_vpot_touch (3, ev->velocity > 64);
break;
/* touch strip */
case 12:
if (ev->velocity < 64) {
transport_stop ();
}
break;
}
}
void
Push2::handle_midi_note_off_message (MIDI::Parser&, MIDI::EventTwoBytes* ev)
{
DEBUG_TRACE (DEBUG::Push2, string_compose ("Note Off %1 (velocity %2)\n", (int) ev->note_number, (int) ev->velocity));
}
void
Push2::handle_midi_pitchbend_message (MIDI::Parser&, MIDI::pitchbend_t pb)
{
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
Push2::thread_init ()
{
struct sched_param rtparam;
pthread_set_name (event_loop_name().c_str());
PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
ARDOUR::SessionEvent::create_per_thread_pool (event_loop_name(), 128);
memset (&rtparam, 0, sizeof (rtparam));
rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
if (pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam) != 0) {
// do we care? not particularly.
}
}
void
Push2::connect_session_signals()
{
// receive routes added
//session->RouteAdded.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_routes_added, this, _1), this);
// receive VCAs added
//session->vca_manager().VCAAdded.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&Push2::notify_vca_added, this, _1), this);
// receive record state toggled
session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&Push2::notify_record_state_changed, this), this);
// receive transport state changed
session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&Push2::notify_transport_state_changed, this), this);
session->TransportLooped.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Push2::notify_loop_state_changed, this), this);
// receive punch-in and punch-out
Config->ParameterChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&Push2::notify_parameter_changed, this, _1), this);
session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Push2::notify_parameter_changed, this, _1), this);
// receive rude solo changed
session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&Push2::notify_solo_active_changed, this, _1), this);
}
void
Push2::notify_record_state_changed ()
{
IDButtonMap::iterator b = id_button_map.find (RecordEnable);
if (b == id_button_map.end()) {
return;
}
switch (session->record_status ()) {
case Session::Disabled:
b->second->set_color (LED::White);
b->second->set_state (LED::NoTransition);
break;
case Session::Enabled:
b->second->set_color (LED::Red);
b->second->set_state (LED::Blinking4th);
break;
case Session::Recording:
b->second->set_color (LED::Red);
b->second->set_state (LED::OneShot24th);
break;
}
write (b->second->state_msg());
}
void
Push2::notify_transport_state_changed ()
{
Button* b = id_button_map[Play];
if (session->transport_rolling()) {
b->set_state (LED::OneShot24th);
b->set_color (LED::Green);
} else {
/* disable any blink on FixedLength from pending edit range op */
Button* fl = id_button_map[FixedLength];
fl->set_color (LED::Black);
fl->set_state (LED::NoTransition);
write (fl->state_msg());
b->set_color (LED::White);
b->set_state (LED::NoTransition);
}
write (b->state_msg());
}
void
Push2::notify_loop_state_changed ()
{
}
void
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Push2::notify_parameter_changed (std::string param)
{
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IDButtonMap::iterator b;
if (param == "clicking") {
if ((b = id_button_map.find (Metronome)) == id_button_map.end()) {
return;
}
if (Config->get_clicking()) {
b->second->set_state (LED::Blinking4th);
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b->second->set_color (LED::White);
} else {
b->second->set_color (LED::White);
b->second->set_state (LED::NoTransition);
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}
write (b->second->state_msg ());
}
}
void
Push2::notify_solo_active_changed (bool yn)
{
IDButtonMap::iterator b = id_button_map.find (Solo);
if (b == id_button_map.end()) {
return;
}
if (yn) {
b->second->set_state (LED::Blinking4th);
b->second->set_color (LED::Red);
} else {
b->second->set_state (LED::NoTransition);
b->second->set_color (LED::White);
}
write (b->second->state_msg());
}
XMLNode&
Push2::get_state()
{
XMLNode& node (ControlProtocol::get_state());
XMLNode* child;
child = new XMLNode (X_("Input"));
child->add_child_nocopy (_async_in->get_state());
node.add_child_nocopy (*child);
child = new XMLNode (X_("Output"));
child->add_child_nocopy (_async_out->get_state());
node.add_child_nocopy (*child);
return node;
}
int
Push2::set_state (const XMLNode & node, int version)
{
DEBUG_TRACE (DEBUG::Push2, string_compose ("Push2::set_state: active %1\n", active()));
int retval = 0;
if (ControlProtocol::set_state (node, version)) {
return -1;
}
XMLNode* child;
if ((child = node.child (X_("Input"))) != 0) {
XMLNode* portnode = child->child (Port::state_node_name.c_str());
if (portnode) {
_async_in->set_state (*portnode, version);
}
}
if ((child = node.child (X_("Output"))) != 0) {
XMLNode* portnode = child->child (Port::state_node_name.c_str());
if (portnode) {
_async_out->set_state (*portnode, version);
}
}
return retval;
}
void
Push2::switch_bank (uint32_t base)
{
if (!session) {
return;
}
stripable_connections.drop_connections ();
/* try to get the first stripable for the requested bank */
stripable[0] = session->get_remote_nth_stripable (base, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
if (!stripable[0]) {
return;
}
/* at least one stripable in this bank */
bank_start = base;
stripable[1] = session->get_remote_nth_stripable (base+1, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
stripable[2] = session->get_remote_nth_stripable (base+2, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
stripable[3] = session->get_remote_nth_stripable (base+3, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
stripable[4] = session->get_remote_nth_stripable (base+4, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
stripable[5] = session->get_remote_nth_stripable (base+5, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
stripable[6] = session->get_remote_nth_stripable (base+6, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
stripable[7] = session->get_remote_nth_stripable (base+7, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
for (int n = 0; n < 8; ++n) {
if (!stripable[n]) {
continue;
}
/* stripable goes away? refill the bank, starting at the same point */
stripable[n]->DropReferences.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&Push2::switch_bank, this, bank_start), this);
boost::shared_ptr<AutomationControl> sc = stripable[n]->solo_control();
if (sc) {
sc->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&Push2::solo_change, this, n), this);
}
boost::shared_ptr<AutomationControl> mc = stripable[n]->mute_control();
if (mc) {
mc->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&Push2::mute_change, this, n), this);
}
stripable[n]->presentation_info().PropertyChanged.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&Push2::stripable_property_change, this, _1, n), this);
solo_change (n);
mute_change (n);
}
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/* master cannot be removed, so no need to connect to going-away signal */
master = session->master_out ();
}
void
Push2::stripable_property_change (PropertyChange const& what_changed, int which)
{
if (what_changed.contains (Properties::selected)) {
/* cancel string, which will cause a redraw on the next update
* cycle. The redraw will reflect selected status
*/
mid_layout[which]->set_text (string());
}
}
void
Push2::solo_change (int n)
{
ButtonID bid;
switch (n) {
case 0:
bid = Upper1;
break;
case 1:
bid = Upper2;
break;
case 2:
bid = Upper3;
break;
case 3:
bid = Upper4;
break;
case 4:
bid = Upper5;
break;
case 5:
bid = Upper6;
break;
case 6:
bid = Upper7;
break;
case 7:
bid = Upper8;
break;
default:
return;
}
boost::shared_ptr<AutomationControl> ac = stripable[n]->solo_control ();
if (!ac) {
return;
}
Button* b = id_button_map[bid];
if (ac->get_value()) {
b->set_color (LED::Red);
} else {
b->set_color (LED::Black);
}
b->set_state (LED::OneShot24th);
write (b->state_msg());
}
void
Push2::mute_change (int n)
{
ButtonID bid;
switch (n) {
case 0:
bid = Lower1;
break;
case 1:
bid = Lower2;
break;
case 2:
bid = Lower3;
break;
case 3:
bid = Lower4;
break;
case 4:
bid = Lower5;
break;
case 5:
bid = Lower6;
break;
case 6:
bid = Lower7;
break;
case 7:
bid = Lower8;
break;
default:
return;
}
boost::shared_ptr<AutomationControl> ac = stripable[n]->mute_control ();
if (!ac) {
return;
}
Button* b = id_button_map[bid];
if (ac->get_value ()) {
b->set_color (LED::Blue);
} else {
b->set_color (LED::Black);
}
b->set_state (LED::OneShot24th);
write (b->state_msg());
}
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void
Push2::strip_vpot (int n, int delta)
{
if (stripable[n]) {
boost::shared_ptr<AutomationControl> ac = stripable[n]->gain_control();
if (ac) {
ac->set_value (ac->get_value() + ((2.0/64.0) * delta), PBD::Controllable::UseGroup);
}
}
}
void
Push2::strip_vpot_touch (int n, bool touching)
{
if (stripable[n]) {
boost::shared_ptr<AutomationControl> ac = stripable[n]->gain_control();
if (ac) {
if (touching) {
ac->start_touch (session->audible_frame());
} else {
ac->stop_touch (true, session->audible_frame());
}
}
}
}
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void
Push2::other_vpot (int n, int delta)
{
switch (n) {
case 0:
break;
case 1:
break;
case 2:
/* master gain control */
if (master) {
boost::shared_ptr<AutomationControl> ac = master->gain_control();
if (ac) {
ac->set_value (ac->get_value() + ((2.0/64.0) * delta), PBD::Controllable::UseGroup);
}
}
break;
}
}
void
Push2::other_vpot_touch (int n, bool touching)
{
switch (n) {
case 0:
break;
case 1:
break;
case 2:
if (master) {
boost::shared_ptr<AutomationControl> ac = master->gain_control();
if (ac) {
if (touching) {
ac->start_touch (session->audible_frame());
} else {
ac->stop_touch (true, session->audible_frame());
}
}
}
}
}
void
Push2::start_shift ()
{
cerr << "start shift\n";
modifier_state = ModifierState (modifier_state | ModShift);
Button* b = id_button_map[Shift];
b->set_color (LED::White);
b->set_state (LED::Blinking16th);
write (b->state_msg());
}
void
Push2::end_shift ()
{
if (modifier_state & ModShift) {
cerr << "end shift\n";
modifier_state = ModifierState (modifier_state & ~(ModShift));
Button* b = id_button_map[Shift];
b->timeout_connection.disconnect ();
b->set_color (LED::White);
b->set_state (LED::OneShot24th);
write (b->state_msg());
}
}
void
Push2::start_select ()
{
cerr << "start select\n";
modifier_state = ModifierState (modifier_state | ModSelect);
Button* b = id_button_map[Select];
b->set_color (LED::White);
b->set_state (LED::Blinking16th);
write (b->state_msg());
}
void
Push2::end_select ()
{
if (modifier_state & ModSelect) {
cerr << "end select\n";
modifier_state = ModifierState (modifier_state & ~(ModSelect));
Button* b = id_button_map[Select];
b->timeout_connection.disconnect ();
b->set_color (LED::White);
b->set_state (LED::OneShot24th);
write (b->state_msg());
}
}