2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <sigc++/signal.h>
23 #include "pbd/pthread_utils.h"
25 #include "ardour/async_midi_port.h"
26 #include "ardour/debug.h"
27 #include "ardour/audioengine.h"
28 #include "ardour/midi_port.h"
29 #include "ardour/midiport_manager.h"
30 #include "ardour/midi_ui.h"
31 #include "ardour/session.h"
32 #include "ardour/session_event.h"
33 #include "ardour/types.h"
36 using namespace ARDOUR;
42 MidiControlUI* MidiControlUI::_instance = 0;
44 #include "pbd/abstract_ui.cc" /* instantiate the template */
46 MidiControlUI::MidiControlUI (Session& s)
47 : AbstractUI<MidiUIRequest> (X_("midiui"))
53 MidiControlUI::~MidiControlUI ()
57 /* drop all ports as GIO::Sources */
59 /* we no longer exist */
64 MidiControlUI::do_request (MidiUIRequest* req)
66 if (req->type == Quit) {
68 } else if (req->type == CallSlot) {
74 MidiControlUI::midi_input_handler (IOCondition ioc, AsyncMIDIPort* port)
76 DEBUG_TRACE (DEBUG::MidiIO, string_compose ("something happend on %1\n", ((ARDOUR::Port*)port)->name()));
84 #ifndef PLATFORM_WINDOWS
85 CrossThreadChannel::drain (port->selectable());
88 DEBUG_TRACE (DEBUG::MidiIO, string_compose ("data available on %1\n", ((ARDOUR::Port*)port)->name()));
89 framepos_t now = _session.engine().sample_time();
97 MidiControlUI::clear_ports ()
99 for (PortSources::iterator i = port_sources.begin(); i != port_sources.end(); ++i) {
100 g_source_destroy (*i);
104 port_sources.clear ();
108 MidiControlUI::reset_ports ()
110 if (!port_sources.empty()) {
114 vector<AsyncMIDIPort*> ports;
117 if ((p = dynamic_cast<AsyncMIDIPort*> (_session.midi_input_port()))) {
122 if ((p = dynamic_cast<AsyncMIDIPort*> (_session.mmc_input_port()))) {
126 if ((p = dynamic_cast<AsyncMIDIPort*> (_session.scene_input_port()))) {
135 for (vector<AsyncMIDIPort*>::const_iterator pi = ports.begin(); pi != ports.end(); ++pi) {
137 if ((fd = (*pi)->selectable ()) >= 0) {
138 Glib::RefPtr<IOSource> psrc = IOSource::create (fd, IO_IN|IO_HUP|IO_ERR);
140 psrc->connect (sigc::bind (sigc::mem_fun (this, &MidiControlUI::midi_input_handler), *pi));
141 psrc->attach (_main_loop->get_context());
143 // glibmm hack: for now, store only the GSource*
145 port_sources.push_back (psrc->gobj());
146 g_source_ref (psrc->gobj());
152 MidiControlUI::thread_init ()
154 struct sched_param rtparam;
156 pthread_set_name (X_("midiUI"));
158 PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("MIDI"), 2048);
159 SessionEvent::create_per_thread_pool (X_("MIDI I/O"), 128);
161 memset (&rtparam, 0, sizeof (rtparam));
162 rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
164 if (pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam) != 0) {
165 // do we care? not particularly.