2 * Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
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.
24 #include "pbd/error.h"
25 #include "pbd/compose.h"
26 #include "pbd/windows_timer_utils.h"
28 #include "winmmemidi_io.h"
33 using namespace ARDOUR;
35 WinMMEMidiIO::WinMMEMidiIO()
39 , m_changed_callback (0)
42 pthread_mutex_init (&m_device_lock, 0);
45 WinMMEMidiIO::~WinMMEMidiIO()
47 pthread_mutex_lock (&m_device_lock);
49 pthread_mutex_unlock (&m_device_lock);
50 pthread_mutex_destroy (&m_device_lock);
54 WinMMEMidiIO::cleanup()
56 DEBUG_MIDI ("MIDI cleanup\n");
59 destroy_input_devices ();
60 destroy_output_devices ();
64 WinMMEMidiIO::dequeue_input_event (uint32_t port,
65 uint64_t timestamp_start,
66 uint64_t timestamp_end,
74 assert(port < m_inputs.size());
76 // m_inputs access should be protected by trylock
77 return m_inputs[port]->dequeue_midi_event (
78 timestamp_start, timestamp_end, timestamp, d, s);
82 WinMMEMidiIO::enqueue_output_event (uint32_t port,
90 assert(port < m_outputs.size());
92 // m_outputs access should be protected by trylock
93 return m_outputs[port]->enqueue_midi_event (timestamp, d, s);
98 WinMMEMidiIO::port_id (uint32_t port, bool input)
100 std::stringstream ss;
103 ss << "system:midi_capture_";
106 ss << "system:midi_playback_";
112 std::string WinMMEMidiIO::port_name(uint32_t port, bool input)
115 if (port < m_inputs.size ()) {
116 return m_inputs[port]->name ();
119 if (port < m_outputs.size ()) {
120 return m_outputs[port]->name ();
127 WinMMEMidiIO::start ()
130 DEBUG_MIDI ("MIDI driver already started\n");
135 DEBUG_MIDI ("Starting MIDI driver\n");
137 PBD::MMTIMERS::set_min_resolution();
144 WinMMEMidiIO::stop ()
147 DEBUG_MIDI ("MIDI driver already stopped\n");
150 DEBUG_MIDI ("Stopping MIDI driver\n");
153 pthread_mutex_lock (&m_device_lock);
155 pthread_mutex_unlock (&m_device_lock);
157 PBD::MMTIMERS::reset_resolution();
161 WinMMEMidiIO::start_devices ()
163 for (std::vector<WinMMEMidiInputDevice*>::iterator i = m_inputs.begin ();
166 if (!(*i)->start ()) {
167 PBD::error << string_compose (_("Unable to start MIDI input device %1\n"),
168 (*i)->name ()) << endmsg;
171 for (std::vector<WinMMEMidiOutputDevice*>::iterator i = m_outputs.begin ();
174 if (!(*i)->start ()) {
175 PBD::error << string_compose (_ ("Unable to start MIDI output device %1\n"),
176 (*i)->name ()) << endmsg;
182 WinMMEMidiIO::stop_devices ()
184 for (std::vector<WinMMEMidiInputDevice*>::iterator i = m_inputs.begin ();
187 if (!(*i)->stop ()) {
188 PBD::error << string_compose (_ ("Unable to stop MIDI input device %1\n"),
189 (*i)->name ()) << endmsg;
192 for (std::vector<WinMMEMidiOutputDevice*>::iterator i = m_outputs.begin ();
195 if (!(*i)->stop ()) {
196 PBD::error << string_compose (_ ("Unable to stop MIDI output device %1\n"),
197 (*i)->name ()) << endmsg;
203 WinMMEMidiIO::clear_device_info ()
205 for (std::vector<MidiDeviceInfo*>::iterator i = m_device_info.begin();
206 i != m_device_info.end();
210 m_device_info.clear();
214 WinMMEMidiIO::get_input_name_from_index (int index, std::string& name)
216 MIDIINCAPS capabilities;
217 MMRESULT result = midiInGetDevCaps(index, &capabilities, sizeof(capabilities));
218 if (result == MMSYSERR_NOERROR) {
219 name = capabilities.szPname;
226 WinMMEMidiIO::get_output_name_from_index (int index, std::string& name)
228 MIDIOUTCAPS capabilities;
229 MMRESULT result = midiOutGetDevCaps(index, &capabilities, sizeof(capabilities));
230 if (result == MMSYSERR_NOERROR) {
231 name = capabilities.szPname;
238 WinMMEMidiIO::update_device_info ()
240 std::set<std::string> device_names;
242 int in_count = midiInGetNumDevs ();
244 for (int i = 0; i < in_count; ++i) {
245 std::string input_name;
246 if (get_input_name_from_index(i, input_name)) {
247 device_names.insert(input_name);
251 int out_count = midiOutGetNumDevs ();
253 for (int i = 0; i < out_count; ++i) {
254 std::string output_name;
255 if (get_output_name_from_index(i, output_name)) {
256 device_names.insert(output_name);
260 clear_device_info ();
262 for (std::set<std::string>::const_iterator i = device_names.begin();
263 i != device_names.end();
265 m_device_info.push_back(new MidiDeviceInfo(*i));
270 WinMMEMidiIO::get_device_info (const std::string& name)
272 for (std::vector<MidiDeviceInfo*>::const_iterator i = m_device_info.begin();
273 i != m_device_info.end();
275 if ((*i)->device_name == name) {
283 WinMMEMidiIO::create_input_devices ()
285 int srcCount = midiInGetNumDevs ();
287 DEBUG_MIDI (string_compose ("MidiIn count: %1\n", srcCount));
289 for (int i = 0; i < srcCount; ++i) {
290 std::string input_name;
291 if (!get_input_name_from_index (i, input_name)) {
292 DEBUG_MIDI ("Unable to get MIDI input name from index\n");
296 MidiDeviceInfo* info = get_device_info (input_name);
299 DEBUG_MIDI ("Unable to MIDI device info from name\n");
304 DEBUG_MIDI(string_compose(
305 "MIDI input device %1 not enabled, not opening device\n", input_name));
310 WinMMEMidiInputDevice* midi_input = new WinMMEMidiInputDevice (i);
312 m_inputs.push_back (midi_input);
316 DEBUG_MIDI ("Unable to create MIDI input\n");
322 WinMMEMidiIO::create_output_devices ()
324 int dstCount = midiOutGetNumDevs ();
326 DEBUG_MIDI (string_compose ("MidiOut count: %1\n", dstCount));
328 for (int i = 0; i < dstCount; ++i) {
329 std::string output_name;
330 if (!get_output_name_from_index (i, output_name)) {
331 DEBUG_MIDI ("Unable to get MIDI output name from index\n");
335 MidiDeviceInfo* info = get_device_info (output_name);
338 DEBUG_MIDI ("Unable to MIDI device info from name\n");
343 DEBUG_MIDI(string_compose(
344 "MIDI output device %1 not enabled, not opening device\n", output_name));
349 WinMMEMidiOutputDevice* midi_output = new WinMMEMidiOutputDevice(i);
351 m_outputs.push_back(midi_output);
354 DEBUG_MIDI ("Unable to create MIDI output\n");
361 WinMMEMidiIO::destroy_input_devices ()
363 while (!m_inputs.empty ()) {
364 WinMMEMidiInputDevice* midi_input = m_inputs.back ();
365 // assert(midi_input->stopped ());
366 m_inputs.pop_back ();
372 WinMMEMidiIO::destroy_output_devices ()
374 while (!m_outputs.empty ()) {
375 WinMMEMidiOutputDevice* midi_output = m_outputs.back ();
376 // assert(midi_output->stopped ());
377 m_outputs.pop_back ();
383 WinMMEMidiIO::discover()
389 if (pthread_mutex_trylock (&m_device_lock)) {
395 create_input_devices ();
396 create_output_devices ();
398 if (!(m_inputs.size () || m_outputs.size ())) {
399 DEBUG_MIDI ("No midi inputs or outputs\n");
400 pthread_mutex_unlock (&m_device_lock);
404 DEBUG_MIDI (string_compose ("Discovered %1 inputs and %2 outputs\n",
408 if (m_changed_callback) {
409 m_changed_callback(m_changed_arg);
413 pthread_mutex_unlock (&m_device_lock);