588 lines
17 KiB
C++
588 lines
17 KiB
C++
/*
|
|
* Author: Harry van Haaren 2013
|
|
* harryhaaren@gmail.com
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "jack.hxx"
|
|
|
|
#include <sstream>
|
|
#include <cstring>
|
|
#include <iostream>
|
|
|
|
#include "state/state.hxx"
|
|
|
|
#include "gui.hxx"
|
|
#include "logic.hxx"
|
|
#include "config.hxx"
|
|
#include "looper.hxx"
|
|
#include "metronome.hxx"
|
|
#include "gridlogic.hxx"
|
|
#include "trackoutput.hxx"
|
|
#include "timemanager.hxx"
|
|
#include "controllerupdater.hxx"
|
|
|
|
#include "dsp/dsp_reverb.hxx"
|
|
#include "dsp/dsp_dbmeter.hxx"
|
|
|
|
#include "audiobuffer.hxx"
|
|
#include "eventhandler.hxx"
|
|
#include "controller/genericmidi.hxx"
|
|
#include "controller/guicontroller.hxx"
|
|
|
|
|
|
using namespace std;
|
|
|
|
int AudioBuffer::privateID = 0;
|
|
|
|
// static pointers from main
|
|
extern Gui* gui;
|
|
extern Jack* jack;
|
|
|
|
void Jack::setup(std::string name)
|
|
{
|
|
if ( jack == 0 )
|
|
{
|
|
jack = new Jack( name );
|
|
|
|
jack->activate();
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
LUPPP_WARN("JACK instance already exists!");
|
|
}
|
|
}
|
|
|
|
void Jack::resetMidiBindingState()
|
|
{
|
|
// MIDI binding stuff
|
|
bindingEventRecordEnable = false;
|
|
bindingEventType = EVENT_NULL;
|
|
bindingTrack = -2;
|
|
bindingScene = -1;
|
|
bindingSend = -1;
|
|
bindingActive= -1;
|
|
}
|
|
|
|
Jack::Jack( std::string name ) :
|
|
client( jack_client_open ( name.c_str(), JackNullOption , 0 , 0 ) ),
|
|
state( new State() ),
|
|
controllerUpdater( new ControllerUpdater() ),
|
|
clientActive(false)
|
|
{
|
|
jack = this;
|
|
|
|
samplerate = jack_get_sample_rate( client );
|
|
|
|
LUPPP_NOTE("Samplerate %i", samplerate );
|
|
|
|
// construct Observer classes here, not in the initializer list as the Jack*
|
|
// will be 0x0 until then.
|
|
timeManager = new TimeManager(),
|
|
metronome = new Metronome();
|
|
logic = new Logic();
|
|
gridLogic = new GridLogic();
|
|
|
|
// CAREFUL: setup the size by default: otherwise malloc() is called on push_back
|
|
midiIO.reserve( CONTROLLERS_PREALLOC );
|
|
|
|
resetMidiBindingState();
|
|
|
|
//GenericMIDI* tmp = new GenericMIDI("akai_apc.ctlr");
|
|
//tmp->registerComponents();
|
|
//controllerUpdater->registerController( static_cast<Controller*>(tmp) );
|
|
|
|
buffers.nframes = jack_get_buffer_size( client );
|
|
buffers.samplerate = jack_get_sample_rate( client );
|
|
|
|
EventSamplerate e(buffers.samplerate);
|
|
writeToGuiRingbuffer( &e );
|
|
|
|
uiUpdateCounter = buffers.samplerate / 30;
|
|
uiUpdateConstant = buffers.samplerate / 30;
|
|
|
|
masterInput = jack_port_register( client,
|
|
"master_in",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsInput,
|
|
0 );
|
|
|
|
masterReturnL = jack_port_register( client,
|
|
"master_return_left",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsInput,
|
|
0 );
|
|
|
|
masterReturnR = jack_port_register( client,
|
|
"master_return_right",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsInput,
|
|
0 );
|
|
|
|
masterOutputL = jack_port_register( client,
|
|
"master_left",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsOutput,
|
|
0 );
|
|
|
|
masterOutputR = jack_port_register( client,
|
|
"master_right",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsOutput,
|
|
0 );
|
|
|
|
sendOutput = jack_port_register( client,
|
|
"send_out",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsOutput,
|
|
0 );
|
|
|
|
sidechainKeyOutput= jack_port_register( client,
|
|
"sidechain_key",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsOutput,
|
|
0 );
|
|
|
|
sidechainSignalOutput= jack_port_register( client,
|
|
"sidechain_signal",
|
|
JACK_DEFAULT_AUDIO_TYPE,
|
|
JackPortIsOutput,
|
|
0 );
|
|
|
|
/*
|
|
masterMidiInput = jack_port_register( client,
|
|
"midi_in",
|
|
JACK_DEFAULT_MIDI_TYPE,
|
|
JackPortIsInput,
|
|
0 );
|
|
*/
|
|
|
|
masterVol = 0.0f;
|
|
returnVol = 1.0f;
|
|
|
|
inputToMixEnable = false;
|
|
inputToSendEnable = false;
|
|
inputToKeyEnable = false;
|
|
inputToMixVol = 0.f;
|
|
inputToSendVol = 0.f;
|
|
inputToXSideVol = 0.f;
|
|
|
|
/// prepare internal buffers
|
|
buffers.audio[Buffers::SEND] = new float[ buffers.nframes ];
|
|
buffers.audio[Buffers::SIDECHAIN_KEY] = new float[ buffers.nframes ];
|
|
buffers.audio[Buffers::SIDECHAIN_SIGNAL]=new float[ buffers.nframes ];
|
|
|
|
buffers.audio[Buffers::MASTER_OUT_L] = new float[ buffers.nframes ];
|
|
buffers.audio[Buffers::MASTER_OUT_R] = new float[ buffers.nframes ];
|
|
|
|
for(int i = 0; i < NTRACKS; i++)
|
|
{
|
|
/** Setup the tracks:
|
|
* The TrackOutput gets a pointer to the next AudioProcessor to call:
|
|
* In this case, the track's Looper instance.
|
|
**/
|
|
loopers.push_back( new Looper(i) );
|
|
trackOutputs.push_back( new TrackOutput(i, loopers.back() ) );
|
|
|
|
buffers.audio[Buffers::TRACK_0 + i] = new float[ buffers.nframes ];
|
|
|
|
timeManager->registerObserver( loopers.back() );
|
|
}
|
|
|
|
/// setup DSP instances
|
|
inputVol = 1.0f;
|
|
masterVol = 0.75f;
|
|
masterMeter = new DBMeter( buffers.samplerate );
|
|
inputMeter = new DBMeter( buffers.samplerate );
|
|
|
|
buffers.transportPosition = 0;
|
|
|
|
/// setup JACK callbacks
|
|
if ( jack_set_process_callback( client,
|
|
static_process,
|
|
static_cast<void*>(this)) )
|
|
{
|
|
LUPPP_ERROR("%s","Error setting process callback");
|
|
}
|
|
|
|
if ( jack_set_timebase_callback(client,
|
|
0, //0, 0 == must be master, 1 == conditional
|
|
(JackTimebaseCallback)static_timebase,
|
|
static_cast<void*>(this)) )
|
|
{
|
|
LUPPP_ERROR("%s","Error setting timebase callback");
|
|
}
|
|
|
|
//Controller* m = new AkaiAPC();
|
|
|
|
// TODO: Add GUI dialog to add controllers, and insert them into the controller map.
|
|
// Watch out for RT stuff, loading file, registering ports etc: before activate?!
|
|
//Controller* m = new GenericMIDI("akai_apc.ctlr","apc");
|
|
|
|
Controller* g = new LupppGUI();
|
|
controllerUpdater->registerController( g );
|
|
|
|
if ( !g )
|
|
{
|
|
LUPPP_ERROR("%s","Error creating LupppGUI Controller instance");
|
|
}
|
|
|
|
// call into the GUI, telling it to register default controllers
|
|
gui->setupMidiControllers();
|
|
|
|
}
|
|
|
|
Jack::~Jack()
|
|
{
|
|
delete timeManager;
|
|
delete metronome;
|
|
delete state;
|
|
delete logic;
|
|
delete gridLogic;
|
|
delete controllerUpdater;
|
|
|
|
delete inputMeter;
|
|
delete masterMeter;
|
|
}
|
|
|
|
void Jack::activate()
|
|
{
|
|
jack_activate( client );
|
|
//jack_transport_start(client);
|
|
}
|
|
|
|
void Jack::quit()
|
|
{
|
|
//jack_deactivate( client );
|
|
jack_client_close( client );
|
|
LUPPP_NOTE("%s","Quit JACK.");
|
|
}
|
|
|
|
TrackOutput* Jack::getTrackOutput(int t)
|
|
{
|
|
if ( t >= 0 && t < NTRACKS )
|
|
return trackOutputs.at(t);
|
|
#ifdef DEBUG_TRACKS
|
|
else
|
|
{
|
|
printf( "Jack::getTrackOutput() returning 0x0: invalid track requested!\n" );
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
Looper* Jack::getLooper(int t)
|
|
{
|
|
if ( t >= 0 && t < NTRACKS )
|
|
return loopers.at(t);
|
|
#ifdef DEBUG_TRACKS
|
|
else
|
|
{
|
|
printf( "Jack::getLooper() returning 0x0: invalid track requested!\n" );
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void Jack::registerMidiIO( MidiIO* mo )
|
|
{
|
|
//LUPPP_NOTE("Jack::registerMidiIO()" );
|
|
|
|
// CAREFUL : this could need to resize and cause malloc() in RT thread
|
|
midiIO.push_back( mo );
|
|
}
|
|
|
|
void Jack::unregisterMidiIO( MidiIO* mo )
|
|
{
|
|
LUPPP_NOTE("Jack::unregisterMidiIO()");
|
|
|
|
// unregister the observer
|
|
for(unsigned int i = 0; i < midiIO.size(); i++)
|
|
{
|
|
if ( midiIO.at(i) == mo )
|
|
{
|
|
cout << "removing mo at " << i << endl;
|
|
midiIO.erase( midiIO.begin() + i );
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
int Jack::process (jack_nframes_t nframes)
|
|
{
|
|
/// get buffers
|
|
buffers.audio[Buffers::MASTER_INPUT] = (float*)jack_port_get_buffer( masterInput , nframes );
|
|
buffers.audio[Buffers::MASTER_RETURN_L] = (float*)jack_port_get_buffer( masterReturnL , nframes );
|
|
buffers.audio[Buffers::MASTER_RETURN_R] = (float*)jack_port_get_buffer( masterReturnR , nframes );
|
|
|
|
buffers.audio[Buffers::JACK_SEND_OUT] = (float*)jack_port_get_buffer( sendOutput , nframes );
|
|
buffers.audio[Buffers::JACK_MASTER_OUT_L] = (float*)jack_port_get_buffer( masterOutputL , nframes );
|
|
buffers.audio[Buffers::JACK_MASTER_OUT_R] = (float*)jack_port_get_buffer( masterOutputR , nframes );
|
|
buffers.audio[Buffers::JACK_SIDECHAIN_KEY] = (float*)jack_port_get_buffer(sidechainKeyOutput,nframes);
|
|
buffers.audio[Buffers::JACK_SIDECHAIN_SIGNAL]=(float*)jack_port_get_buffer(sidechainSignalOutput,nframes);
|
|
|
|
//buffers.midi [Buffers::MASTER_MIDI_INPUT] = (void*) jack_port_get_buffer( masterMidiInput, nframes );
|
|
|
|
/// init buffers for each MidiIO
|
|
for(unsigned int i = 0; i < midiIO.size(); i++ )
|
|
{
|
|
midiIO.at(i)->initBuffers( nframes );
|
|
}
|
|
|
|
/// do events from the ringbuffer
|
|
handleDspEvents();
|
|
|
|
/// process incoming MIDI
|
|
/*
|
|
jack_midi_event_t in_event;
|
|
int masterMidiInputIndex = 0;
|
|
int event_count = (int) jack_midi_get_event_count( buffers.midi[Buffers::MASTER_MIDI_INPUT] );
|
|
while ( masterMidiInputIndex < event_count )
|
|
{
|
|
jack_midi_event_get(&in_event, buffers.midi[Buffers::MASTER_MIDI_INPUT], masterMidiInputIndex);
|
|
|
|
char buffer [50];
|
|
sprintf (buffer, "MIDI %i %i %i", int(in_event.buffer[0]), int(in_event.buffer[1]), int(in_event.buffer[2]) );
|
|
EventGuiPrint e( buffer );
|
|
writeToGuiRingbuffer( &e );
|
|
|
|
masterMidiInputIndex++;
|
|
}
|
|
*/
|
|
|
|
|
|
/// update "time" from JACK master, or write master?
|
|
buffers.transportFrame = jack_get_current_transport_frame(client);
|
|
|
|
// time manager deals with detecting bar() / beat() events, and calls
|
|
// processFrames() with the appropriate nframes
|
|
timeManager->process( &buffers );
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void Jack::processFrames(int nframes)
|
|
{
|
|
if ( nframes < 0 )
|
|
{
|
|
LUPPP_WARN("Jack processFrames got nframes < 0");
|
|
return;
|
|
}
|
|
|
|
// clear the buffers
|
|
memset( buffers.audio[Buffers::JACK_MASTER_OUT_L] , 0, sizeof(float) * nframes );
|
|
memset( buffers.audio[Buffers::JACK_MASTER_OUT_R] , 0, sizeof(float) * nframes );
|
|
memset( buffers.audio[Buffers::MASTER_OUT_L] , 0, sizeof(float) * nframes );
|
|
memset( buffers.audio[Buffers::MASTER_OUT_R] , 0, sizeof(float) * nframes );
|
|
memset( buffers.audio[Buffers::SEND] , 0, sizeof(float) * nframes );
|
|
memset( buffers.audio[Buffers::SIDECHAIN_KEY] , 0, sizeof(float) * nframes );
|
|
memset( buffers.audio[Buffers::SIDECHAIN_SIGNAL] , 0, sizeof(float) * nframes );
|
|
|
|
|
|
|
|
/// process each MidiIO registered MIDI port
|
|
for(unsigned int i = 0; i < midiIO.size(); i++ )
|
|
{
|
|
midiIO.at(i)->process( nframes );
|
|
}
|
|
|
|
/// process each track, starting at output and working up signal path
|
|
for(unsigned int i = 0; i < NTRACKS; i++)
|
|
{
|
|
trackOutputs.at(i)->process( nframes, &buffers );
|
|
}
|
|
|
|
/// metro signal
|
|
metronome->process( nframes, &buffers );
|
|
|
|
/// mix input, reverb & post-sidechain in
|
|
for(unsigned int i = 0; i < buffers.nframes; i++)
|
|
{
|
|
float input= buffers.audio[Buffers::MASTER_INPUT][i] * inputVol;
|
|
|
|
float L = buffers.audio[Buffers::MASTER_OUT_L][i];
|
|
float R = buffers.audio[Buffers::MASTER_OUT_R][i];
|
|
float returnL = buffers.audio[Buffers::MASTER_RETURN_L][i];
|
|
float returnR = buffers.audio[Buffers::MASTER_RETURN_R][i];
|
|
|
|
if ( inputToMixEnable )
|
|
{
|
|
// if sending to mix, scale by volume *and* by XSide send
|
|
float tmp = input * inputToMixVol * (1-inputToXSideVol);
|
|
L += tmp;
|
|
R += tmp;
|
|
}
|
|
if ( inputToSendEnable )
|
|
{
|
|
// post-mix-send amount: hence * inputToMixVol
|
|
buffers.audio[Buffers::SEND][i] += input * inputToSendVol * inputToMixVol;
|
|
}
|
|
if ( inputToKeyEnable )
|
|
{
|
|
buffers.audio[Buffers::SIDECHAIN_KEY][i] += input;
|
|
}
|
|
|
|
buffers.audio[Buffers::SIDECHAIN_SIGNAL][i] += input * inputToXSideVol;
|
|
|
|
/// mixdown returns into master buffers
|
|
buffers.audio[Buffers::MASTER_OUT_L][i] = (L + returnL*returnVol) * masterVol;
|
|
buffers.audio[Buffers::MASTER_OUT_R][i] = (R + returnR*returnVol) * masterVol;
|
|
|
|
/// write SEND content to JACK port
|
|
buffers.audio[Buffers::JACK_SEND_OUT][i] = buffers.audio[Buffers::SEND][i];
|
|
buffers.audio[Buffers::JACK_SIDECHAIN_KEY][i] = buffers.audio[Buffers::SIDECHAIN_KEY][i];
|
|
buffers.audio[Buffers::JACK_SIDECHAIN_SIGNAL][i] = buffers.audio[Buffers::SIDECHAIN_SIGNAL][i];
|
|
}
|
|
|
|
|
|
/// db meter on master input & output
|
|
inputMeter->process( nframes, buffers.audio[Buffers::MASTER_INPUT], buffers.audio[Buffers::MASTER_INPUT]);
|
|
masterMeter->process(nframes, buffers.audio[Buffers::MASTER_OUT_L], buffers.audio[Buffers::MASTER_OUT_R] );
|
|
|
|
if ( uiUpdateCounter > uiUpdateConstant )
|
|
{
|
|
// instead of scaling whole buffer, just scale output by vol
|
|
EventTrackSignalLevel e(-1, masterMeter->getLeftDB(), masterMeter->getRightDB() );
|
|
writeToGuiRingbuffer( &e );
|
|
EventTrackSignalLevel e2(-2, inputMeter->getLeftDB() * inputVol, inputMeter->getRightDB() * inputVol );
|
|
writeToGuiRingbuffer( &e2 );
|
|
|
|
uiUpdateCounter = 0;
|
|
}
|
|
|
|
uiUpdateCounter += nframes;
|
|
|
|
|
|
// memcpy the internal MASTER_OUTPUT buffer to the JACK_MASTER_OUTPUT
|
|
memcpy( buffers.audio[Buffers::JACK_MASTER_OUT_L],
|
|
buffers.audio[Buffers::MASTER_OUT_L],
|
|
sizeof(float)*nframes);
|
|
|
|
memcpy( buffers.audio[Buffers::JACK_MASTER_OUT_R],
|
|
buffers.audio[Buffers::MASTER_OUT_R],
|
|
//buffers.audio[Buffers::POST_SIDECHAIN],
|
|
//buffers.audio[Buffers::SEND], // uncomment to listen to reverb send only
|
|
sizeof(float)*nframes);
|
|
|
|
|
|
// move buffer pointers up nframes: allows processing of one "nframes" from
|
|
// JACK in multiple parts internally in Luppp: used for processing bar() / beat()
|
|
// if a full JACK nframes has been processed, this is extra work: its not that expensive
|
|
/// update buffers by nframes
|
|
buffers.audio[Buffers::MASTER_INPUT] = &buffers.audio[Buffers::MASTER_INPUT][nframes];
|
|
buffers.audio[Buffers::MASTER_RETURN_L] = &buffers.audio[Buffers::MASTER_RETURN_L][nframes];
|
|
buffers.audio[Buffers::MASTER_RETURN_R] = &buffers.audio[Buffers::MASTER_RETURN_R][nframes];
|
|
|
|
buffers.audio[Buffers::JACK_SEND_OUT] = &buffers.audio[Buffers::JACK_SEND_OUT][nframes];
|
|
buffers.audio[Buffers::JACK_MASTER_OUT_L] = &buffers.audio[Buffers::JACK_MASTER_OUT_L][nframes];
|
|
buffers.audio[Buffers::JACK_MASTER_OUT_R] = &buffers.audio[Buffers::JACK_MASTER_OUT_R][nframes];
|
|
buffers.audio[Buffers::JACK_SIDECHAIN_KEY] = &buffers.audio[Buffers::JACK_SIDECHAIN_KEY][nframes];
|
|
buffers.audio[Buffers::JACK_SIDECHAIN_SIGNAL]=&buffers.audio[Buffers::JACK_SIDECHAIN_SIGNAL][nframes];
|
|
|
|
return;
|
|
}
|
|
|
|
void Jack::masterVolume(float vol)
|
|
{
|
|
masterVol = vol;
|
|
}
|
|
|
|
void Jack::returnVolume(float vol)
|
|
{
|
|
returnVol = vol;
|
|
}
|
|
|
|
void Jack::inputVolume(float v)
|
|
{
|
|
inputVol = v * 2;
|
|
}
|
|
|
|
void Jack::inputTo(INPUT_TO to, float v)
|
|
{
|
|
switch ( to )
|
|
{
|
|
case INPUT_TO_MIX:
|
|
inputToMixVol = v;
|
|
break;
|
|
case INPUT_TO_SEND:
|
|
inputToSendVol = v;
|
|
break;
|
|
case INPUT_TO_XSIDE:
|
|
inputToXSideVol = v;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Jack::inputToActive(INPUT_TO to, bool a)
|
|
{
|
|
switch ( to )
|
|
{
|
|
case INPUT_TO_MIX:
|
|
inputToMixEnable = a;
|
|
break;
|
|
case INPUT_TO_SEND:
|
|
inputToSendEnable = a;
|
|
break;
|
|
case INPUT_TO_SIDE_KEY:
|
|
inputToKeyEnable = a;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
int Jack::getBuffersize()
|
|
{
|
|
return jack_get_buffer_size( client );
|
|
}
|
|
|
|
int Jack::getSamplerate()
|
|
{
|
|
return samplerate;
|
|
}
|
|
|
|
int Jack::timebase(jack_transport_state_t state,
|
|
jack_nframes_t nframes,
|
|
jack_position_t* pos,
|
|
int newPos)
|
|
{
|
|
// fill buffers with data, then pass to timeManager
|
|
buffers.transportPosition = pos;
|
|
buffers.transportState =&state;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int Jack::static_process(jack_nframes_t nframes, void *instance)
|
|
{
|
|
return static_cast<Jack*>(instance)->process(nframes);
|
|
}
|
|
|
|
int Jack::static_timebase(jack_transport_state_t state,
|
|
jack_nframes_t nframes,
|
|
jack_position_t* pos,
|
|
int newPos,
|
|
void* instance)
|
|
{
|
|
return static_cast<Jack*>(instance)->timebase(state,nframes, pos, newPos );
|
|
}
|