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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/midi/dynamically_initialized_midi_manager_win.h" | 5 #include "media/midi/dynamically_initialized_midi_manager_win.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 | 8 |
9 #include <mmreg.h> | 9 #include <mmreg.h> |
10 #include <mmsystem.h> | 10 #include <mmsystem.h> |
11 | 11 |
12 #include <algorithm> | 12 #include <algorithm> |
13 #include <string> | 13 #include <string> |
14 | 14 |
15 #include "base/callback.h" | 15 #include "base/callback.h" |
16 #include "base/logging.h" | 16 #include "base/logging.h" |
17 #include "base/memory/ptr_util.h" | 17 #include "base/memory/ptr_util.h" |
18 #include "base/strings/string16.h" | 18 #include "base/strings/string16.h" |
19 #include "base/strings/stringprintf.h" | 19 #include "base/strings/stringprintf.h" |
20 #include "base/strings/utf_string_conversions.h" | 20 #include "base/strings/utf_string_conversions.h" |
21 #include "base/synchronization/lock.h" | 21 #include "base/synchronization/lock.h" |
22 #include "base/time/time.h" | |
23 #include "media/midi/message_util.h" | |
22 #include "media/midi/midi_port_info.h" | 24 #include "media/midi/midi_port_info.h" |
23 #include "media/midi/midi_service.h" | 25 #include "media/midi/midi_service.h" |
24 | 26 |
25 namespace midi { | 27 namespace midi { |
26 | 28 |
27 namespace { | 29 namespace { |
28 | 30 |
31 // Assumes that nullptr represents an invalid MIDI handle. | |
32 constexpr HMIDIIN kInvalidInHandle = nullptr; | |
33 constexpr HMIDIOUT kInvalidOutHandle = nullptr; | |
34 | |
29 // Global variables to identify MidiManager instance. | 35 // Global variables to identify MidiManager instance. |
30 constexpr int kInvalidInstanceId = -1; | 36 constexpr int kInvalidInstanceId = -1; |
31 int g_active_instance_id = kInvalidInstanceId; | 37 int g_active_instance_id = kInvalidInstanceId; |
32 DynamicallyInitializedMidiManagerWin* g_manager_instance = nullptr; | 38 DynamicallyInitializedMidiManagerWin* g_manager_instance = nullptr; |
33 | 39 |
34 // Obtains base::Lock instance pointer to lock instance_id. | 40 // Obtains base::Lock instance pointer to lock instance_id. |
35 base::Lock* GetInstanceIdLock() { | 41 base::Lock* GetInstanceIdLock() { |
36 static base::Lock* lock = new base::Lock; | 42 static base::Lock* lock = new base::Lock; |
37 return lock; | 43 return lock; |
38 } | 44 } |
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62 base::AutoLock lock(*GetInstanceIdLock()); | 68 base::AutoLock lock(*GetInstanceIdLock()); |
63 if (instance_id != g_active_instance_id) | 69 if (instance_id != g_active_instance_id) |
64 return; | 70 return; |
65 } | 71 } |
66 task.Run(); | 72 task.Run(); |
67 } | 73 } |
68 | 74 |
69 // TODO(toyoshim): Factor out TaskRunner related functionaliries above, and | 75 // TODO(toyoshim): Factor out TaskRunner related functionaliries above, and |
70 // deprecate MidiScheduler. It should be available via MidiManager::scheduler(). | 76 // deprecate MidiScheduler. It should be available via MidiManager::scheduler(). |
71 | 77 |
78 // Helper functions to close MIDI device handles on TaskRunner asynchronously. | |
79 void FinalizeInPort(HMIDIIN handle) { | |
80 midiInClose(handle); | |
81 } | |
82 | |
83 void FinalizeOutPort(HMIDIOUT handle) { | |
84 midiOutClose(handle); | |
85 } | |
86 | |
87 // Handles MIDI input port callbacks that runs on a system provided thread. | |
88 void CALLBACK HandleMidiInCallback(HMIDIIN hmi, | |
89 UINT msg, | |
90 DWORD_PTR instance, | |
91 DWORD_PTR param1, | |
92 DWORD_PTR param2) { | |
93 // TODO(toyoshim): Following patches will implement actual functions. | |
94 } | |
95 | |
96 // Handles MIDI output port callbacks that runs on a system provided thread. | |
97 void CALLBACK HandleMidiOutCallback(HMIDIOUT hmo, | |
98 UINT msg, | |
99 DWORD_PTR instance, | |
100 DWORD_PTR param1, | |
101 DWORD_PTR param2) { | |
102 // TODO(toyoshim): Following patches will implement actual functions. | |
103 } | |
104 | |
72 class Port { | 105 class Port { |
73 public: | 106 public: |
74 Port(const std::string& type, | 107 Port(const std::string& type, |
75 uint32_t device_id, | 108 uint32_t device_id, |
76 uint16_t manufacturer_id, | 109 uint16_t manufacturer_id, |
77 uint16_t product_id, | 110 uint16_t product_id, |
78 uint32_t driver_version, | 111 uint32_t driver_version, |
79 const std::string& product_name) | 112 const std::string& product_name) |
80 : index_(0u), | 113 : index_(0u), |
81 type_(type), | 114 type_(type), |
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148 const uint32_t driver_version_; | 181 const uint32_t driver_version_; |
149 const std::string product_name_; | 182 const std::string product_name_; |
150 MidiPortInfo info_; | 183 MidiPortInfo info_; |
151 }; // class Port | 184 }; // class Port |
152 | 185 |
153 } // namespace | 186 } // namespace |
154 | 187 |
155 // TODO(toyoshim): Following patches will implement actual functions. | 188 // TODO(toyoshim): Following patches will implement actual functions. |
156 class DynamicallyInitializedMidiManagerWin::InPort final : public Port { | 189 class DynamicallyInitializedMidiManagerWin::InPort final : public Port { |
157 public: | 190 public: |
158 InPort(UINT device_id, const MIDIINCAPS2W& caps) | 191 InPort(int instance_id, UINT device_id, const MIDIINCAPS2W& caps) |
159 : Port("input", | 192 : Port("input", |
160 device_id, | 193 device_id, |
161 caps.wMid, | 194 caps.wMid, |
162 caps.wPid, | 195 caps.wPid, |
163 caps.vDriverVersion, | 196 caps.vDriverVersion, |
164 base::WideToUTF8( | 197 base::WideToUTF8( |
165 base::string16(caps.szPname, wcslen(caps.szPname)))) {} | 198 base::string16(caps.szPname, wcslen(caps.szPname)))), |
199 in_handle_(kInvalidInHandle), | |
200 instance_id_(instance_id) {} | |
166 | 201 |
167 static std::vector<std::unique_ptr<InPort>> EnumerateActivePorts() { | 202 static std::vector<std::unique_ptr<InPort>> EnumerateActivePorts( |
203 int instance_id) { | |
168 std::vector<std::unique_ptr<InPort>> ports; | 204 std::vector<std::unique_ptr<InPort>> ports; |
169 const UINT num_devices = midiInGetNumDevs(); | 205 const UINT num_devices = midiInGetNumDevs(); |
170 for (UINT device_id = 0; device_id < num_devices; ++device_id) { | 206 for (UINT device_id = 0; device_id < num_devices; ++device_id) { |
171 MIDIINCAPS2W caps; | 207 MIDIINCAPS2W caps; |
172 MMRESULT result = midiInGetDevCaps( | 208 MMRESULT result = midiInGetDevCaps( |
173 device_id, reinterpret_cast<LPMIDIINCAPSW>(&caps), sizeof(caps)); | 209 device_id, reinterpret_cast<LPMIDIINCAPSW>(&caps), sizeof(caps)); |
174 if (result != MMSYSERR_NOERROR) { | 210 if (result != MMSYSERR_NOERROR) { |
175 LOG(ERROR) << "midiInGetDevCaps fails on device " << device_id; | 211 LOG(ERROR) << "midiInGetDevCaps fails on device " << device_id; |
176 continue; | 212 continue; |
177 } | 213 } |
178 ports.push_back(base::MakeUnique<InPort>(device_id, caps)); | 214 ports.push_back(base::MakeUnique<InPort>(instance_id, device_id, caps)); |
179 } | 215 } |
180 return ports; | 216 return ports; |
181 } | 217 } |
182 | 218 |
219 void Finalize(scoped_refptr<base::SingleThreadTaskRunner> runner) { | |
220 if (in_handle_ != kInvalidInHandle) { | |
221 runner->PostTask(FROM_HERE, base::Bind(&FinalizeInPort, in_handle_)); | |
222 } | |
223 } | |
224 | |
183 void NotifyPortStateSet(DynamicallyInitializedMidiManagerWin* manager) { | 225 void NotifyPortStateSet(DynamicallyInitializedMidiManagerWin* manager) { |
184 manager->PostReplyTask( | 226 manager->PostReplyTask( |
185 base::Bind(&DynamicallyInitializedMidiManagerWin::SetInputPortState, | 227 base::Bind(&DynamicallyInitializedMidiManagerWin::SetInputPortState, |
186 base::Unretained(manager), index_, info_.state)); | 228 base::Unretained(manager), index_, info_.state)); |
187 } | 229 } |
188 | 230 |
189 void NotifyPortAdded(DynamicallyInitializedMidiManagerWin* manager) { | 231 void NotifyPortAdded(DynamicallyInitializedMidiManagerWin* manager) { |
190 manager->PostReplyTask( | 232 manager->PostReplyTask( |
191 base::Bind(&DynamicallyInitializedMidiManagerWin::AddInputPort, | 233 base::Bind(&DynamicallyInitializedMidiManagerWin::AddInputPort, |
192 base::Unretained(manager), info_)); | 234 base::Unretained(manager), info_)); |
193 } | 235 } |
236 | |
237 // Port overrides: | |
238 void Open() override { | |
239 MMRESULT result = | |
240 midiInOpen(&in_handle_, device_id_, | |
241 reinterpret_cast<DWORD_PTR>(&HandleMidiInCallback), | |
242 instance_id_, CALLBACK_FUNCTION); | |
243 if (result == MMSYSERR_NOERROR) | |
244 Port::Open(); | |
245 else | |
246 Disconnect(); | |
247 } | |
248 | |
249 private: | |
250 HMIDIIN in_handle_; | |
251 int instance_id_; | |
194 }; | 252 }; |
195 | 253 |
196 // TODO(toyoshim): Following patches will implement actual functions. | 254 // TODO(toyoshim): Following patches will implement actual functions. |
197 class DynamicallyInitializedMidiManagerWin::OutPort final : public Port { | 255 class DynamicallyInitializedMidiManagerWin::OutPort final : public Port { |
198 public: | 256 public: |
199 OutPort(UINT device_id, const MIDIOUTCAPS2W& caps) | 257 OutPort(UINT device_id, const MIDIOUTCAPS2W& caps) |
200 : Port("output", | 258 : Port("output", |
201 device_id, | 259 device_id, |
202 caps.wMid, | 260 caps.wMid, |
203 caps.wPid, | 261 caps.wPid, |
204 caps.vDriverVersion, | 262 caps.vDriverVersion, |
205 base::WideToUTF8( | 263 base::WideToUTF8( |
206 base::string16(caps.szPname, wcslen(caps.szPname)))), | 264 base::string16(caps.szPname, wcslen(caps.szPname)))), |
207 software_(caps.wTechnology == MOD_SWSYNTH) {} | 265 software_(caps.wTechnology == MOD_SWSYNTH), |
266 out_handle_(kInvalidOutHandle) {} | |
208 | 267 |
209 static std::vector<std::unique_ptr<OutPort>> EnumerateActivePorts() { | 268 static std::vector<std::unique_ptr<OutPort>> EnumerateActivePorts() { |
210 std::vector<std::unique_ptr<OutPort>> ports; | 269 std::vector<std::unique_ptr<OutPort>> ports; |
211 const UINT num_devices = midiOutGetNumDevs(); | 270 const UINT num_devices = midiOutGetNumDevs(); |
212 for (UINT device_id = 0; device_id < num_devices; ++device_id) { | 271 for (UINT device_id = 0; device_id < num_devices; ++device_id) { |
213 MIDIOUTCAPS2W caps; | 272 MIDIOUTCAPS2W caps; |
214 MMRESULT result = midiOutGetDevCaps( | 273 MMRESULT result = midiOutGetDevCaps( |
215 device_id, reinterpret_cast<LPMIDIOUTCAPSW>(&caps), sizeof(caps)); | 274 device_id, reinterpret_cast<LPMIDIOUTCAPSW>(&caps), sizeof(caps)); |
216 if (result != MMSYSERR_NOERROR) { | 275 if (result != MMSYSERR_NOERROR) { |
217 LOG(ERROR) << "midiOutGetDevCaps fails on device " << device_id; | 276 LOG(ERROR) << "midiOutGetDevCaps fails on device " << device_id; |
218 continue; | 277 continue; |
219 } | 278 } |
220 ports.push_back(base::MakeUnique<OutPort>(device_id, caps)); | 279 ports.push_back(base::MakeUnique<OutPort>(device_id, caps)); |
221 } | 280 } |
222 return ports; | 281 return ports; |
223 } | 282 } |
224 | 283 |
225 // Port overrides: | 284 void Finalize(scoped_refptr<base::SingleThreadTaskRunner> runner) { |
226 bool Connect() override { | 285 if (out_handle_ != kInvalidOutHandle) |
227 // Until |software| option is supported, disable Microsoft GS Wavetable | 286 runner->PostTask(FROM_HERE, base::Bind(&FinalizeOutPort, out_handle_)); |
228 // Synth that has a known security issue. | |
229 if (software_ && manufacturer_id_ == MM_MICROSOFT && | |
230 (product_id_ == MM_MSFT_WDMAUDIO_MIDIOUT || | |
231 product_id_ == MM_MSFT_GENERIC_MIDISYNTH)) { | |
232 return false; | |
233 } | |
234 return Port::Connect(); | |
235 } | 287 } |
236 | 288 |
237 // Port Overrides: | |
Takashi Toyoshima
2017/02/21 05:54:28
I forgot to remove this stale line.
| |
238 void NotifyPortStateSet(DynamicallyInitializedMidiManagerWin* manager) { | 289 void NotifyPortStateSet(DynamicallyInitializedMidiManagerWin* manager) { |
239 manager->PostReplyTask( | 290 manager->PostReplyTask( |
240 base::Bind(&DynamicallyInitializedMidiManagerWin::SetOutputPortState, | 291 base::Bind(&DynamicallyInitializedMidiManagerWin::SetOutputPortState, |
241 base::Unretained(manager), index_, info_.state)); | 292 base::Unretained(manager), index_, info_.state)); |
242 } | 293 } |
243 | 294 |
244 void NotifyPortAdded(DynamicallyInitializedMidiManagerWin* manager) { | 295 void NotifyPortAdded(DynamicallyInitializedMidiManagerWin* manager) { |
245 manager->PostReplyTask( | 296 manager->PostReplyTask( |
246 base::Bind(&DynamicallyInitializedMidiManagerWin::AddOutputPort, | 297 base::Bind(&DynamicallyInitializedMidiManagerWin::AddOutputPort, |
247 base::Unretained(manager), info_)); | 298 base::Unretained(manager), info_)); |
248 } | 299 } |
249 | 300 |
301 // Port overrides: | |
302 bool Connect() override { | |
Takashi Toyoshima
2017/02/21 05:54:28
Connect() method is just replaced here so that we
| |
303 // Until |software| option is supported, disable Microsoft GS Wavetable | |
304 // Synth that has a known security issue. | |
305 if (software_ && manufacturer_id_ == MM_MICROSOFT && | |
306 (product_id_ == MM_MSFT_WDMAUDIO_MIDIOUT || | |
307 product_id_ == MM_MSFT_GENERIC_MIDISYNTH)) { | |
308 return false; | |
309 } | |
310 return Port::Connect(); | |
311 } | |
312 | |
313 void Open() override { | |
314 MMRESULT result = | |
315 midiOutOpen(&out_handle_, device_id_, | |
316 reinterpret_cast<DWORD_PTR>(&HandleMidiOutCallback), 0, | |
317 CALLBACK_FUNCTION); | |
318 if (result == MMSYSERR_NOERROR) { | |
319 Port::Open(); | |
320 } else { | |
321 out_handle_ = kInvalidOutHandle; | |
322 Disconnect(); | |
323 } | |
324 } | |
325 | |
250 const bool software_; | 326 const bool software_; |
327 HMIDIOUT out_handle_; | |
251 }; | 328 }; |
252 | 329 |
253 DynamicallyInitializedMidiManagerWin::DynamicallyInitializedMidiManagerWin( | 330 DynamicallyInitializedMidiManagerWin::DynamicallyInitializedMidiManagerWin( |
254 MidiService* service) | 331 MidiService* service) |
255 : MidiManager(service), instance_id_(IssueNextInstanceId()) { | 332 : MidiManager(service), instance_id_(IssueNextInstanceId()) { |
256 base::AutoLock lock(*GetInstanceIdLock()); | 333 base::AutoLock lock(*GetInstanceIdLock()); |
257 CHECK_EQ(kInvalidInstanceId, g_active_instance_id); | 334 CHECK_EQ(kInvalidInstanceId, g_active_instance_id); |
258 | 335 |
259 // Obtains the task runner for the current thread that hosts this instnace. | 336 // Obtains the task runner for the current thread that hosts this instnace. |
260 thread_runner_ = base::ThreadTaskRunnerHandle::Get(); | 337 thread_runner_ = base::ThreadTaskRunnerHandle::Get(); |
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298 CHECK_EQ(instance_id_, g_active_instance_id); | 375 CHECK_EQ(instance_id_, g_active_instance_id); |
299 g_active_instance_id = kInvalidInstanceId; | 376 g_active_instance_id = kInvalidInstanceId; |
300 CHECK_EQ(this, g_manager_instance); | 377 CHECK_EQ(this, g_manager_instance); |
301 g_manager_instance = nullptr; | 378 g_manager_instance = nullptr; |
302 } | 379 } |
303 | 380 |
304 // Ensures that no task runs on TaskRunner so to destruct the instance safely. | 381 // Ensures that no task runs on TaskRunner so to destruct the instance safely. |
305 // Tasks that did not started yet will do nothing after invalidate the | 382 // Tasks that did not started yet will do nothing after invalidate the |
306 // instance ID above. | 383 // instance ID above. |
307 base::AutoLock lock(*GetTaskLock()); | 384 base::AutoLock lock(*GetTaskLock()); |
385 | |
386 // Posts tasks that finalize each device port without MidiManager instance | |
387 // on TaskRunner. If another MidiManager instance is created, its | |
388 // initialization runs on the same task runner after all tasks posted here | |
389 // finish. | |
390 for (const auto& port : input_ports_) | |
391 port->Finalize(service()->GetTaskRunner(kTaskRunner)); | |
392 for (const auto& port : output_ports_) | |
393 port->Finalize(service()->GetTaskRunner(kTaskRunner)); | |
308 } | 394 } |
309 | 395 |
310 void DynamicallyInitializedMidiManagerWin::DispatchSendMidiData( | 396 void DynamicallyInitializedMidiManagerWin::DispatchSendMidiData( |
311 MidiManagerClient* client, | 397 MidiManagerClient* client, |
312 uint32_t port_index, | 398 uint32_t port_index, |
313 const std::vector<uint8_t>& data, | 399 const std::vector<uint8_t>& data, |
314 double timestamp) { | 400 double timestamp) { |
315 // TODO(toyoshim): Following patches will implement. | 401 // TODO(toyoshim): Following patches will implement. |
316 } | 402 } |
317 | 403 |
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342 | 428 |
343 void DynamicallyInitializedMidiManagerWin::InitializeOnTaskRunner() { | 429 void DynamicallyInitializedMidiManagerWin::InitializeOnTaskRunner() { |
344 UpdateDeviceListOnTaskRunner(); | 430 UpdateDeviceListOnTaskRunner(); |
345 PostReplyTask( | 431 PostReplyTask( |
346 base::Bind(&DynamicallyInitializedMidiManagerWin::CompleteInitialization, | 432 base::Bind(&DynamicallyInitializedMidiManagerWin::CompleteInitialization, |
347 base::Unretained(this), mojom::Result::OK)); | 433 base::Unretained(this), mojom::Result::OK)); |
348 } | 434 } |
349 | 435 |
350 void DynamicallyInitializedMidiManagerWin::UpdateDeviceListOnTaskRunner() { | 436 void DynamicallyInitializedMidiManagerWin::UpdateDeviceListOnTaskRunner() { |
351 std::vector<std::unique_ptr<InPort>> active_input_ports = | 437 std::vector<std::unique_ptr<InPort>> active_input_ports = |
352 InPort::EnumerateActivePorts(); | 438 InPort::EnumerateActivePorts(instance_id_); |
353 ReflectActiveDeviceList(this, &input_ports_, &active_input_ports); | 439 ReflectActiveDeviceList(this, &input_ports_, &active_input_ports); |
354 | 440 |
355 std::vector<std::unique_ptr<OutPort>> active_output_ports = | 441 std::vector<std::unique_ptr<OutPort>> active_output_ports = |
356 OutPort::EnumerateActivePorts(); | 442 OutPort::EnumerateActivePorts(); |
357 ReflectActiveDeviceList(this, &output_ports_, &active_output_ports); | 443 ReflectActiveDeviceList(this, &output_ports_, &active_output_ports); |
358 | 444 |
359 // TODO(toyoshim): This method may run before internal MIDI device lists that | 445 // TODO(toyoshim): This method may run before internal MIDI device lists that |
360 // Windows manages were updated. This may be because MIDI driver may be loaded | 446 // Windows manages were updated. This may be because MIDI driver may be loaded |
361 // after the raw device list was updated. To avoid this problem, we may want | 447 // after the raw device list was updated. To avoid this problem, we may want |
362 // to retry device check later if no changes are detected here. | 448 // to retry device check later if no changes are detected here. |
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391 size_t index = known_ports->size(); | 477 size_t index = known_ports->size(); |
392 port->set_index(index); | 478 port->set_index(index); |
393 known_ports->push_back(std::move(port)); | 479 known_ports->push_back(std::move(port)); |
394 (*known_ports)[index]->Connect(); | 480 (*known_ports)[index]->Connect(); |
395 (*known_ports)[index]->NotifyPortAdded(this); | 481 (*known_ports)[index]->NotifyPortAdded(this); |
396 } | 482 } |
397 } | 483 } |
398 } | 484 } |
399 | 485 |
400 } // namespace midi | 486 } // namespace midi |
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