+++ /dev/null
-/*
- Copyright (C) 2014 Waves Audio Ltd.
-
- 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 <boost/assign/list_of.hpp>
-
-#include "waves_audiobackend.h"
-#include "waves_midiport.h"
-#include "waves_midi_event.h"
-#include "waves_midi_buffer.h"
-
-using namespace ARDOUR;
-
-#ifdef __APPLE__
-
-const std::vector<std::string> WavesAudioBackend::__available_midi_options = boost::assign::list_of ("CoreMIDI") ("None");
-
-#elif PLATFORM_WINDOWS
-
-const std::vector<std::string> WavesAudioBackend::__available_midi_options = boost::assign::list_of ("System MIDI (MME)") ("None");
-
-#endif
-
-
-std::vector<std::string>
-WavesAudioBackend::enumerate_midi_options () const
-{
- // COMMENTED DBG LOGS */ std::cout << "WavesAudioBackend::enumerate_midi_options ()" << std::endl;
- return __available_midi_options;
-}
-
-
-int
-WavesAudioBackend::set_midi_option (const std::string& option)
-{
- // COMMENTED DBG LOGS */ std::cout << "WavesAudioBackend::set_midi_option ( " << option << " )" << std::endl;
- if (option == __available_midi_options[1]) {
- _use_midi = false;
- // COMMENTED DBG LOGS */ std::cout << "\tNO MIDI system used)" << std::endl;
- }
- else if (option == __available_midi_options[0]) {
- _use_midi = true;
- // COMMENTED DBG LOGS */ std::cout << "\tNO MIDI system used)" << std::endl;
- }
- else {
- std::cerr << "WavesAudioBackend::set_midi_option (): Invalid MIDI option!" << std::endl;
- return -1;
- }
-
- return 0;
-}
-
-
-std::string
-WavesAudioBackend::midi_option () const
-{
- // COMMENTED DBG LOGS */ std::cout << "WavesAudioBackend::midi_option ():" << std::endl;
- return * (__available_midi_options.begin () + (_use_midi?0:1));
-}
-
-
-int
-WavesAudioBackend::midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buffer, void* port_buffer, uint32_t event_index)
-{
- // COMMENTED FREQUENT DBG LOGS */ std::cout << "WavesAudioBackend::midi_event_get ():" << std::endl;
-
- if (buffer == NULL) {
- std::cerr << "WavesAudioBackend::midi_event_get () : NULL in the 'buffer' argument!\n";
- return -1;
- }
-
- if (port_buffer == NULL) {
- std::cerr << "WavesAudioBackend::midi_event_get () : NULL in the 'port_buffer' argument!\n";
- return -1;
- }
-
- WavesMidiBuffer& source = * (WavesMidiBuffer*)port_buffer;
-
- if (event_index >= source.size ()) {
- std::cerr << "WavesAudioBackend::midi_event_get () : 'event_index' is out of the number of events stored in 'port_buffer'!\n";
- return -1;
- }
-
- WavesMidiEvent* waves_midi_event = source[event_index];
-
- timestamp = waves_midi_event->timestamp ();
- size = waves_midi_event->size ();
- *buffer = waves_midi_event->data ();
-
- return 0;
-}
-
-
-int
-WavesAudioBackend::midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size)
-{
- // COMMENTED FREQUENT DBG LOGS */ std::cout << "WavesAudioBackend::midi_event_put ():" << std::endl;
- if (buffer == NULL) {
- std::cerr << "WavesAudioBackend::midi_event_put () : NULL in the 'buffer' argument!\n";
- return -1;
- }
-
- if (port_buffer == NULL) {
- std::cerr << "WavesAudioBackend::midi_event_put () : NULL in the 'port_buffer' argument!\n";
- return -1;
- }
-
- WavesMidiBuffer& target = * (WavesMidiBuffer*)port_buffer;
- // COMMENTED FREQUENT DBG LOGS */ std::cout << "\t [" << target.name () << "]"<< std::endl;
-
- if (target.size () && (pframes_t)target.back ()->timestamp () > timestamp) {
- std::cerr << "WavesAudioBackend::midi_event_put (): The MIDI Event to put is a bit late!" << std::endl;
- std::cerr << "\tprev timestamp is " << (pframes_t)target.back ()->timestamp () << " as the current one is " << timestamp << std::endl;
- return -1;
- }
-
- target.push_back (new WavesMidiEvent (timestamp, buffer, size));
- return 0;
-}
-
-
-uint32_t
-WavesAudioBackend::get_midi_event_count (void* port_buffer)
-{
- // COMMENTED FREQUENT DBG LOGS */ std::cout << "WavesAudioBackend::get_midi_event_count (): " << std::endl;
-
- if (port_buffer == NULL) {
- std::cerr << "WavesAudioBackend::get_midi_event_count () : NULL in the 'port_buffer' argument!\n";
- return -1;
- }
-
- // COMMENTED FREQUENT DBG LOGS */ std::cout << "\tcount = " << (* (WavesMidiBuffer*)port_buffer).size () << std::endl;
-
- return (* (WavesMidiBuffer*)port_buffer).size ();
-}
-
-
-void
-WavesAudioBackend::midi_clear (void* port_buffer)
-{
- // COMMENTED FREQUENT DBG LOGS */ std::cout << "WavesAudioBackend::midi_clear (): " << std::endl;
- if (port_buffer == NULL) {
- std::cerr << "WavesAudioBackend::midi_clear () : NULL in the 'port_buffer' argument!\n";
- return;
- }
-
- (* (WavesMidiBuffer*)port_buffer).clear ();
-}
-
-
-void
-WavesAudioBackend::_changed_midi_devices ()
-{
- if (_midi_device_manager.stream (false)) {
- std::cerr << "WavesAudioBackend::_changed_midi_devices (): _midi_device_manager.stream (false) failed!" << std::endl;
- return;
- }
-
- _unregister_system_midi_ports ();
- _midi_device_manager.stop ();
-
- if (_midi_device_manager.start () != 0) {
- std::cerr << "WavesAudioBackend::_changed_midi_devices (): _midi_device_manager.start () failed!" << std::endl;
- return;
- }
-
- if (_register_system_midi_ports () != 0) {
- std::cerr << "WavesAudioBackend::_changed_midi_devices (): _register_system_midi_ports () failed!" << std::endl;
- return;
- }
-
- manager.registration_callback ();
-
- if (_midi_device_manager.stream (true)) {
- std::cerr << "WavesAudioBackend::_changed_midi_devices (): _midi_device_manager.stream (true) failed!" << std::endl;
- return;
- }
-}
-
-
-void
-WavesAudioBackend::_unregister_system_midi_ports ()
-{
- // COMMENTED DBG LOGS */ std::cout << "WavesAudioBackend::_unregister_system_midi_ports ()" << std::endl;
- std::vector<WavesMidiPort*> physical_midi_ports = _physical_midi_inputs;
- physical_midi_ports.insert (physical_midi_ports.begin (), _physical_midi_outputs.begin (), _physical_midi_outputs.end ());
-
- for (std::vector<WavesMidiPort*>::const_iterator it = physical_midi_ports.begin (); it != physical_midi_ports.end (); ++it) {
- std::vector<WavesDataPort*>::iterator port_iterator = std::find (_ports.begin (), _ports.end (), *it);
- if (port_iterator == _ports.end ()) {
- std::cerr << "WavesAudioBackend::_unregister_system_midi_ports (): Failed to find port [" << (*it)->name () << "]!" << std::endl;
- }
- else
- _ports.erase (port_iterator);
- delete *it;
- }
- _physical_midi_inputs.clear ();
- _physical_midi_outputs.clear ();
-}
-
-
-int
-WavesAudioBackend::_register_system_midi_ports ()
-{
- // COMMENTED DBG LOGS */ std::cout << "WavesAudioBackend::_register_system_midi_ports ()" << std::endl;
-
- LatencyRange lr = {0,0};
- lr.min = lr.max = _buffer_size;
-
- for (size_t i = 0; i<_ports.size ();) {
- WavesMidiPort* midi_port = dynamic_cast<WavesMidiPort*> (_ports[i]);
- if (!midi_port || !midi_port->is_physical () || !midi_port->is_terminal ()) {
- ++i;
- continue;
- }
-
- if ((midi_port->is_input () && !midi_port->midi_device ()->is_output ()) ||
- (midi_port->is_output () && !midi_port->midi_device ()->is_input ())) {
- disconnect_all (midi_port);
- unregister_port (midi_port);
- continue; // to be here for further additions in the end of this loop
- }
-
- ++i;
- }
-
- const std::vector<WavesMidiDevice *>& devices = _midi_device_manager.devices ();
-
- for (std::vector<WavesMidiDevice*>::const_iterator it = devices.begin (); it != devices.end (); ++it) {
- if ((*it)->is_input ()) {
- std::string port_name = "system_midi:" + (*it)->name () + " capture";
- WavesDataPort* port = _find_port (port_name);
- WavesMidiPort* midi_port = dynamic_cast<WavesMidiPort*> (port);
- if (midi_port && (midi_port->type () != DataType::MIDI ||
- midi_port->midi_device () != *it ||
- !midi_port->is_output () ||
- !midi_port->is_physical () ||
- !midi_port->is_terminal ())) {
- std::cerr << "WavesAudioBackend::_register_system_midi_ports (): the port [" << midi_port->name () << "] is inconsystently constructed!" << std::endl;
- disconnect_all (midi_port);
- unregister_port (midi_port);
- port = NULL;
- }
-
- if (port == NULL) {
- port = _register_port ( port_name, DataType::MIDI , static_cast<ARDOUR::PortFlags> (IsOutput | IsPhysical | IsTerminal));
- if (port == NULL) {
- return -1;
- }
- ((WavesMidiPort*)port)->set_midi_device (*it);
- }
- port->set_latency_range (lr, false);
- }
-
- if ((*it)->is_output ()) {
- std::string port_name = "system_midi:" + (*it)->name () + " playback";
- WavesDataPort* port = _find_port (port_name);
- WavesMidiPort* midi_port = dynamic_cast<WavesMidiPort*> (port);
- if (midi_port && (midi_port->type () != DataType::MIDI ||
- midi_port->midi_device () != *it ||
- !midi_port->is_input () ||
- !midi_port->is_physical () ||
- !midi_port->is_terminal ())) {
- std::cerr << "WavesAudioBackend::_register_system_midi_ports (): the port [" << midi_port->name () << "] is inconsystently constructed!" << std::endl;
- disconnect_all (midi_port);
- unregister_port (midi_port);
- }
-
- if (port == NULL) {
- port = _register_port (port_name,
- DataType::MIDI,
- static_cast<ARDOUR::PortFlags> (IsInput | IsPhysical | IsTerminal));
- if (port == NULL) {
- return -1;
- }
- }
-
- ((WavesMidiPort*)port)->set_midi_device ((*it));
- port->set_latency_range (lr, true);
- }
- }
-
- return 0;
-}
-
-
-int
-WavesAudioBackend::_read_midi_data_from_devices ()
-{
- // COMMENTED FREQUENT DBG LOGS */ std::cout << "WavesAudioBackend::_read_midi_data_from_devices ():" << std::endl;
- if (!_midi_device_manager.is_streaming ())
- return 0;
-
- _midi_device_manager.do_read ();
-
- for (std::vector<WavesMidiPort*>::iterator it = _physical_midi_inputs.begin (); it != _physical_midi_inputs.end (); ++it) {
- WavesMidiDevice* midi_device = (*it)->midi_device ();
-
- WavesMidiBuffer& waves_midi_buffer = (*it)->buffer ();
- waves_midi_buffer.clear ();
-
- while (WavesMidiEvent *waves_midi_event = midi_device->dequeue_input_waves_midi_event ()) {
- int32_t timestamp_st = _buffer_size - (_sample_time_at_cycle_start - waves_midi_event->timestamp ());
-
- if (timestamp_st < 0) {
- timestamp_st = 0;
- } else if (timestamp_st >= (int32_t)_buffer_size) {
- timestamp_st = _buffer_size - 1;
- }
- waves_midi_event->set_timestamp (timestamp_st);
- waves_midi_buffer.push_back (waves_midi_event);
- }
- }
- return 0;
-}
-
-
-int
-WavesAudioBackend::_write_midi_data_to_devices (pframes_t nframes)
-{
- if (!_midi_device_manager.is_streaming ())
- return 0;
-
- for (std::vector<WavesMidiPort*>::iterator it = _physical_midi_outputs.begin (); it != _physical_midi_outputs.end (); ++it) {
- WavesMidiDevice* midi_device = (*it)->midi_device ();
- WavesMidiBuffer &waves_midi_buffer = * (WavesMidiBuffer*) (*it)->get_buffer (nframes);
-
- for (WavesMidiBufferIterator it = waves_midi_buffer.begin (); it != waves_midi_buffer.end ();) {
- WavesMidiEvent* waves_midi_event = *it;
-
- waves_midi_buffer.erase (it);
-
- waves_midi_event->set_timestamp (_sample_time_at_cycle_start + waves_midi_event->timestamp () + nframes);
- midi_device->enqueue_output_waves_midi_event (waves_midi_event);
- }
- }
- _midi_device_manager.do_write ();
- return 0;
-}
projects / ardour.git / blobdiff