5398513ab52fa8a5d20ed949d041bcb882091422
[deb_libcec.git] / src / lib / implementations / CECCommandHandler.cpp
1 /*
2 * This file is part of the libCEC(R) library.
3 *
4 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
5 * libCEC(R) is an original work, containing original code.
6 *
7 * libCEC(R) is a trademark of Pulse-Eight Limited.
8 *
9 * This program is dual-licensed; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 *
23 *
24 * Alternatively, you can license this library under a commercial license,
25 * please contact Pulse-Eight Licensing for more information.
26 *
27 * For more information contact:
28 * Pulse-Eight Licensing <license@pulse-eight.com>
29 * http://www.pulse-eight.com/
30 * http://www.pulse-eight.net/
31 */
32
33 #include "env.h"
34 #include "CECCommandHandler.h"
35
36 #include "lib/devices/CECBusDevice.h"
37 #include "lib/devices/CECAudioSystem.h"
38 #include "lib/devices/CECPlaybackDevice.h"
39 #include "lib/CECClient.h"
40 #include "lib/CECProcessor.h"
41 #include "lib/LibCEC.h"
42 #include "lib/CECTypeUtils.h"
43 #include "lib/platform/util/util.h"
44
45 using namespace CEC;
46 using namespace std;
47 using namespace PLATFORM;
48
49 #define LIB_CEC m_busDevice->GetProcessor()->GetLib()
50 #define ToString(p) CCECTypeUtils::ToString(p)
51 #define REQUEST_POWER_STATUS_TIMEOUT 5000
52
53 CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice,
54 int32_t iTransmitTimeout /* = CEC_DEFAULT_TRANSMIT_TIMEOUT */,
55 int32_t iTransmitWait /* = CEC_DEFAULT_TRANSMIT_WAIT */,
56 int8_t iTransmitRetries /* = CEC_DEFAULT_TRANSMIT_RETRIES */,
57 int64_t iActiveSourcePending /* = 0 */) :
58 m_busDevice(busDevice),
59 m_processor(m_busDevice->GetProcessor()),
60 m_iTransmitTimeout(iTransmitTimeout),
61 m_iTransmitWait(iTransmitWait),
62 m_iTransmitRetries(iTransmitRetries),
63 m_bHandlerInited(false),
64 m_bOPTSendDeckStatusUpdateOnActiveSource(false),
65 m_vendorId(CEC_VENDOR_UNKNOWN),
66 m_iActiveSourcePending(iActiveSourcePending),
67 m_iPowerStatusRequested(0)
68 {
69 }
70
71 bool CCECCommandHandler::HandleCommand(const cec_command &command)
72 {
73 if (command.opcode_set == 0)
74 return HandlePoll(command);
75
76 int iHandled(CEC_ABORT_REASON_UNRECOGNIZED_OPCODE);
77
78 LIB_CEC->AddCommand(command);
79
80 switch(command.opcode)
81 {
82 case CEC_OPCODE_REPORT_POWER_STATUS:
83 iHandled = HandleReportPowerStatus(command);
84 break;
85 case CEC_OPCODE_CEC_VERSION:
86 iHandled = HandleDeviceCecVersion(command);
87 break;
88 case CEC_OPCODE_SET_MENU_LANGUAGE:
89 iHandled = HandleSetMenuLanguage(command);
90 break;
91 case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
92 iHandled = HandleGivePhysicalAddress(command);
93 break;
94 case CEC_OPCODE_GET_MENU_LANGUAGE:
95 iHandled = HandleGiveMenuLanguage(command);
96 break;
97 case CEC_OPCODE_GIVE_OSD_NAME:
98 iHandled = HandleGiveOSDName(command);
99 break;
100 case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
101 iHandled = HandleGiveDeviceVendorId(command);
102 break;
103 case CEC_OPCODE_DEVICE_VENDOR_ID:
104 iHandled = HandleDeviceVendorId(command);
105 break;
106 case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
107 iHandled = HandleDeviceVendorCommandWithId(command);
108 break;
109 case CEC_OPCODE_GIVE_DECK_STATUS:
110 iHandled = HandleGiveDeckStatus(command);
111 break;
112 case CEC_OPCODE_DECK_CONTROL:
113 iHandled = HandleDeckControl(command);
114 break;
115 case CEC_OPCODE_MENU_REQUEST:
116 iHandled = HandleMenuRequest(command);
117 break;
118 case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
119 iHandled = HandleGiveDevicePowerStatus(command);
120 break;
121 case CEC_OPCODE_GET_CEC_VERSION:
122 iHandled = HandleGetCecVersion(command);
123 break;
124 case CEC_OPCODE_USER_CONTROL_PRESSED:
125 iHandled = HandleUserControlPressed(command);
126 break;
127 case CEC_OPCODE_USER_CONTROL_RELEASE:
128 iHandled = HandleUserControlRelease(command);
129 break;
130 case CEC_OPCODE_GIVE_AUDIO_STATUS:
131 iHandled = HandleGiveAudioStatus(command);
132 break;
133 case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
134 iHandled = HandleGiveSystemAudioModeStatus(command);
135 break;
136 case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
137 iHandled = HandleSystemAudioModeRequest(command);
138 break;
139 case CEC_OPCODE_REPORT_AUDIO_STATUS:
140 iHandled = HandleReportAudioStatus(command);
141 break;
142 case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
143 iHandled = HandleSystemAudioModeStatus(command);
144 break;
145 case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
146 iHandled = HandleSetSystemAudioMode(command);
147 break;
148 case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
149 iHandled = HandleRequestActiveSource(command);
150 break;
151 case CEC_OPCODE_SET_STREAM_PATH:
152 iHandled = HandleSetStreamPath(command);
153 break;
154 case CEC_OPCODE_ROUTING_CHANGE:
155 iHandled = HandleRoutingChange(command);
156 break;
157 case CEC_OPCODE_ROUTING_INFORMATION:
158 iHandled = HandleRoutingInformation(command);
159 break;
160 case CEC_OPCODE_STANDBY:
161 iHandled = HandleStandby(command);
162 break;
163 case CEC_OPCODE_ACTIVE_SOURCE:
164 iHandled = HandleActiveSource(command);
165 break;
166 case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
167 iHandled = HandleReportPhysicalAddress(command);
168 break;
169 case CEC_OPCODE_SET_OSD_NAME:
170 iHandled = HandleSetOSDName(command);
171 break;
172 case CEC_OPCODE_IMAGE_VIEW_ON:
173 iHandled = HandleImageViewOn(command);
174 break;
175 case CEC_OPCODE_TEXT_VIEW_ON:
176 iHandled = HandleTextViewOn(command);
177 break;
178 case CEC_OPCODE_FEATURE_ABORT:
179 iHandled = HandleFeatureAbort(command);
180 break;
181 case CEC_OPCODE_VENDOR_COMMAND:
182 iHandled = HandleVendorCommand(command);
183 break;
184 case CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN:
185 iHandled = HandleVendorRemoteButtonDown(command);
186 break;
187 case CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP:
188 iHandled = HandleVendorRemoteButtonUp(command);
189 break;
190 case CEC_OPCODE_PLAY:
191 // libCEC (currently) doesn't need to do anything with this, since player applications handle it
192 // but it should not respond with a feature abort
193 iHandled = COMMAND_HANDLED;
194 break;
195 default:
196 break;
197 }
198
199 if (iHandled == COMMAND_HANDLED)
200 m_busDevice->SignalOpcode((command.opcode == CEC_OPCODE_FEATURE_ABORT && command.parameters.size > 0) ? (cec_opcode)command.parameters[0] : command.opcode);
201 else
202 UnhandledCommand(command, (cec_abort_reason)iHandled);
203
204 return iHandled == COMMAND_HANDLED;
205 }
206
207 int CCECCommandHandler::HandleActiveSource(const cec_command &command)
208 {
209 if (command.parameters.size == 2)
210 {
211 uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
212 CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iAddress);
213 if (device)
214 {
215 device->MarkAsActiveSource();
216 return COMMAND_HANDLED;
217 }
218 }
219
220 return CEC_ABORT_REASON_INVALID_OPERAND;
221 }
222
223 int CCECCommandHandler::HandleDeckControl(const cec_command &command)
224 {
225 CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
226 if (device && command.parameters.size > 0)
227 {
228 device->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
229 return COMMAND_HANDLED;
230 }
231
232 return CEC_ABORT_REASON_INVALID_OPERAND;
233 }
234
235 int CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
236 {
237 if (command.parameters.size == 1)
238 {
239 CCECBusDevice *device = GetDevice(command.initiator);
240 if (device)
241 device->SetCecVersion((cec_version) command.parameters[0]);
242
243 return COMMAND_HANDLED;
244 }
245
246 return CEC_ABORT_REASON_INVALID_OPERAND;
247 }
248
249 int CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command & UNUSED(command))
250 {
251 return CEC_ABORT_REASON_INVALID_OPERAND;
252 }
253
254 int CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
255 {
256 SetVendorId(command);
257 return COMMAND_HANDLED;
258 }
259
260 int CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
261 {
262 if (command.parameters.size == 2 &&
263 (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
264 command.parameters[1] == CEC_ABORT_REASON_REFUSED))
265 m_processor->GetDevice(command.initiator)->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
266 return COMMAND_HANDLED;
267 }
268
269 int CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
270 {
271 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
272 {
273 CCECBusDevice *device = GetDevice(command.destination);
274 if (device && device->TransmitCECVersion(command.initiator, true))
275 return COMMAND_HANDLED;
276 return CEC_ABORT_REASON_INVALID_OPERAND;
277 }
278
279 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
280 }
281
282 int CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
283 {
284 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
285 {
286 CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
287 if (device && device->TransmitAudioStatus(command.initiator, true))
288 return COMMAND_HANDLED;
289 return CEC_ABORT_REASON_INVALID_OPERAND;
290 }
291
292 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
293 }
294
295 int CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
296 {
297 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
298 {
299 CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
300 if (device && device->TransmitDeckStatus(command.initiator, true))
301 return COMMAND_HANDLED;
302 return CEC_ABORT_REASON_INVALID_OPERAND;
303 }
304
305 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
306 }
307
308 int CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
309 {
310 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
311 {
312 CCECBusDevice *device = GetDevice(command.destination);
313 if (device && device->TransmitPowerState(command.initiator, true))
314 return COMMAND_HANDLED;
315 return CEC_ABORT_REASON_INVALID_OPERAND;
316 }
317
318 return CEC_ABORT_REASON_INVALID_OPERAND;
319 }
320
321 int CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
322 {
323 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
324 {
325 CCECBusDevice *device = GetDevice(command.destination);
326 if (device && device->TransmitVendorID(command.initiator, true, true))
327 return COMMAND_HANDLED;
328 }
329
330 return CEC_ABORT_REASON_INVALID_OPERAND;
331 }
332
333 int CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
334 {
335 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
336 {
337 CCECBusDevice *device = GetDevice(command.destination);
338 if (device && device->TransmitOSDName(command.initiator, true))
339 return COMMAND_HANDLED;
340 }
341
342 return CEC_ABORT_REASON_INVALID_OPERAND;
343 }
344
345 int CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
346 {
347 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
348 {
349 CCECBusDevice *device = GetDevice(command.destination);
350 if (device && device->TransmitPhysicalAddress(true))
351 return COMMAND_HANDLED;
352 return CEC_ABORT_REASON_INVALID_OPERAND;
353 }
354
355 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
356 }
357
358 int CCECCommandHandler::HandleGiveMenuLanguage(const cec_command &command)
359 {
360 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
361 {
362 CCECBusDevice *device = GetDevice(command.destination);
363 if (device && device->TransmitSetMenuLanguage(command.initiator, true))
364 return COMMAND_HANDLED;
365 return CEC_ABORT_REASON_INVALID_OPERAND;
366 }
367
368 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
369 }
370
371 int CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
372 {
373 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
374 {
375 CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
376 if (device && device->TransmitSystemAudioModeStatus(command.initiator, true))
377 return COMMAND_HANDLED;
378 return CEC_ABORT_REASON_INVALID_OPERAND;
379 }
380
381 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
382 }
383
384 int CCECCommandHandler::HandleImageViewOn(const cec_command &command)
385 {
386 CCECBusDevice *device = GetDevice(command.destination);
387 if (device && (device->GetCurrentStatus() == CEC_DEVICE_STATUS_PRESENT ||
388 device->GetCurrentStatus() == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC))
389 {
390 if (device->GetCurrentPowerStatus() == CEC_POWER_STATUS_STANDBY ||
391 device->GetCurrentPowerStatus() == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY)
392 device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
393 }
394 return COMMAND_HANDLED;
395 }
396
397 int CCECCommandHandler::HandleMenuRequest(const cec_command &command)
398 {
399 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
400 {
401 CCECBusDevice *device = GetDevice(command.destination);
402 if (device)
403 {
404 CCECClient *client = device->GetClient();
405 if (client)
406 {
407 if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_ACTIVATE)
408 {
409 if (client->MenuStateChanged(CEC_MENU_STATE_ACTIVATED) == 1)
410 device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
411 }
412 else if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_DEACTIVATE)
413 {
414 if (client->MenuStateChanged(CEC_MENU_STATE_DEACTIVATED) == 1)
415 device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
416 }
417 }
418 if (device->TransmitMenuState(command.initiator, true))
419 return COMMAND_HANDLED;
420 }
421 return CEC_ABORT_REASON_INVALID_OPERAND;
422 }
423
424 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
425 }
426
427 bool CCECCommandHandler::HandlePoll(const cec_command &command)
428 {
429 m_busDevice->HandlePoll(command.destination);
430 return true;
431 }
432
433 int CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
434 {
435 if (command.parameters.size == 1)
436 {
437 CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
438 if (device)
439 {
440 device->SetAudioStatus(command.parameters[0]);
441 return COMMAND_HANDLED;
442 }
443 }
444 return CEC_ABORT_REASON_INVALID_OPERAND;
445 }
446
447 int CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
448 {
449 if (command.parameters.size == 3)
450 {
451 uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
452 SetPhysicalAddress(command.initiator, iNewAddress);
453 return COMMAND_HANDLED;
454 }
455 return CEC_ABORT_REASON_INVALID_OPERAND;
456 }
457
458 int CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
459 {
460 if (command.parameters.size == 1)
461 {
462 CCECBusDevice *device = GetDevice(command.initiator);
463 if (device)
464 {
465 device->SetPowerStatus((cec_power_status) command.parameters[0]);
466 return COMMAND_HANDLED;
467 }
468 }
469 return CEC_ABORT_REASON_INVALID_OPERAND;
470 }
471
472 int CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
473 {
474 if (m_processor->CECInitialised())
475 {
476 LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
477 m_processor->GetDevice(command.initiator)->SetPowerStatus(CEC_POWER_STATUS_ON);
478
479 vector<CCECBusDevice *> devices;
480 for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
481 devices[iDevicePtr]->TransmitActiveSource(true);
482 }
483
484 return COMMAND_HANDLED;
485 }
486
487 int CCECCommandHandler::HandleRoutingChange(const cec_command &command)
488 {
489 if (command.parameters.size == 4)
490 {
491 uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
492 uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
493
494 CCECBusDevice *device = GetDevice(command.initiator);
495 if (device)
496 {
497 device->SetStreamPath(iNewAddress, iOldAddress);
498 return COMMAND_HANDLED;
499 }
500 }
501
502 return CEC_ABORT_REASON_INVALID_OPERAND;
503 }
504
505 int CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
506 {
507 if (command.parameters.size == 2)
508 {
509 uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
510 CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
511 if (device)
512 {
513 device->MarkAsActiveSource();
514 return COMMAND_HANDLED;
515 }
516 }
517
518 return CEC_ABORT_REASON_INVALID_OPERAND;
519 }
520
521 int CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
522 {
523 if (command.parameters.size == 3)
524 {
525 CCECBusDevice *device = GetDevice(command.initiator);
526 if (device)
527 {
528 cec_menu_language language;
529 language.device = command.initiator;
530 for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
531 language.language[iPtr] = command.parameters[iPtr];
532 language.language[3] = 0;
533 device->SetMenuLanguage(language);
534 return COMMAND_HANDLED;
535 }
536 }
537
538 return CEC_ABORT_REASON_INVALID_OPERAND;
539 }
540
541 int CCECCommandHandler::HandleSetOSDName(const cec_command &command)
542 {
543 if (command.parameters.size > 0)
544 {
545 CCECBusDevice *device = GetDevice(command.initiator);
546 if (device)
547 {
548 char buf[1024];
549 for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
550 buf[iPtr] = (char)command.parameters[iPtr];
551 buf[command.parameters.size] = 0;
552
553 CStdString strName(buf);
554 device->SetOSDName(strName);
555
556 return COMMAND_HANDLED;
557 }
558 }
559
560 return CEC_ABORT_REASON_INVALID_OPERAND;
561 }
562
563 int CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
564 {
565 if (!m_processor->CECInitialised())
566 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
567
568 if (command.parameters.size >= 2)
569 {
570 uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
571 LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %s (%x) sets stream path to physical address %04x", ToString(command.initiator), command.initiator, iStreamAddress);
572
573 // a device will only change the stream path when it's powered on
574 m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
575
576 /* one of the device handled by libCEC has been made active */
577 CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
578 if (device && device->IsHandledByLibCEC())
579 {
580 device->ActivateSource();
581 return COMMAND_HANDLED;
582 }
583 }
584
585 return CEC_ABORT_REASON_INVALID_OPERAND;
586 }
587
588 int CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
589 {
590 if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination))
591 {
592 CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.destination));
593 if (device)
594 {
595 if (command.parameters.size >= 2)
596 {
597 device->SetPowerStatus(CEC_POWER_STATUS_ON);
598 device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
599 uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
600 CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
601 if (newActiveDevice)
602 newActiveDevice->MarkAsActiveSource();
603 if (device->TransmitSetSystemAudioMode(command.initiator, true))
604 return COMMAND_HANDLED;
605 }
606 else
607 {
608 device->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
609 if (device->TransmitSetSystemAudioMode(command.initiator, true))
610 return COMMAND_HANDLED;
611 }
612 }
613 }
614
615 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
616 }
617
618 int CCECCommandHandler::HandleStandby(const cec_command &command)
619 {
620 CCECBusDevice *device = GetDevice(command.initiator);
621 if (device)
622 device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
623
624 return COMMAND_HANDLED;
625 }
626
627 int CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
628 {
629 if (command.parameters.size == 1)
630 {
631 CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
632 if (device)
633 {
634 device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
635 return COMMAND_HANDLED;
636 }
637 }
638
639 return CEC_ABORT_REASON_INVALID_OPERAND;
640 }
641
642 int CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
643 {
644 if (command.parameters.size == 1)
645 {
646 CCECAudioSystem *device = CCECBusDevice::AsAudioSystem(GetDevice(command.initiator));
647 if (device)
648 {
649 device->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
650 return COMMAND_HANDLED;
651 }
652 }
653
654 return CEC_ABORT_REASON_INVALID_OPERAND;
655 }
656
657 int CCECCommandHandler::HandleTextViewOn(const cec_command &command)
658 {
659 m_processor->GetDevice(command.initiator)->MarkAsActiveSource();
660 return COMMAND_HANDLED;
661 }
662
663 int CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
664 {
665 if (!m_processor->CECInitialised() ||
666 !m_processor->IsHandledByLibCEC(command.destination))
667 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
668
669 if (command.parameters.size == 0)
670 return CEC_ABORT_REASON_INVALID_OPERAND;
671
672 CCECBusDevice *device = GetDevice(command.destination);
673 if (!device)
674 return CEC_ABORT_REASON_INVALID_OPERAND;
675
676 CCECClient *client = device->GetClient();
677 if (client)
678 client->SetCurrentButton((cec_user_control_code) command.parameters[0]);
679
680 if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
681 command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
682 {
683 bool bPowerOn(true);
684
685 // CEC_USER_CONTROL_CODE_POWER operates as a toggle
686 // assume CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION does not
687 if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER)
688 {
689 cec_power_status status = device->GetCurrentPowerStatus();
690 bPowerOn = !(status == CEC_POWER_STATUS_ON || status == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
691 }
692
693 if (bPowerOn)
694 {
695 device->ActivateSource();
696 }
697 else
698 {
699 device->MarkAsInactiveSource();
700 device->TransmitInactiveSource();
701 device->SetMenuState(CEC_MENU_STATE_DEACTIVATED);
702 }
703 }
704
705 return COMMAND_HANDLED;
706 }
707
708 int CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
709 {
710 if (!m_processor->CECInitialised() ||
711 !m_processor->IsHandledByLibCEC(command.destination))
712 return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
713
714 CCECClient *client = m_processor->GetClient(command.destination);
715 if (client)
716 client->AddKey();
717
718 return COMMAND_HANDLED;
719 }
720
721 int CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
722 {
723 return CEC_ABORT_REASON_INVALID_OPERAND;
724 }
725
726 void CCECCommandHandler::UnhandledCommand(const cec_command &command, const cec_abort_reason reason)
727 {
728 if (m_processor->IsHandledByLibCEC(command.destination))
729 {
730 LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending abort with opcode %02x and reason '%s' to %s", command.opcode, ToString(reason), ToString(command.initiator));
731 m_processor->TransmitAbort(command.destination, command.initiator, command.opcode, reason);
732 }
733 }
734
735 size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
736 {
737 size_t iReturn(0);
738
739 cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
740 for (uint8_t iPtr = CECDEVICE_TV; iPtr < CECDEVICE_BROADCAST; iPtr++)
741 {
742 if (addresses[iPtr])
743 {
744 devices.push_back(GetDevice((cec_logical_address) iPtr));
745 ++iReturn;
746 }
747 }
748
749 return iReturn;
750 }
751
752 CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
753 {
754 return m_processor->GetDevice(iLogicalAddress);
755 }
756
757 CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
758 {
759 return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
760 }
761
762 bool CCECCommandHandler::SetVendorId(const cec_command &command)
763 {
764 bool bChanged(false);
765 if (command.parameters.size < 3)
766 {
767 LIB_CEC->AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
768 return bChanged;
769 }
770
771 uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
772 ((uint64_t)command.parameters[1] << 8) +
773 (uint64_t)command.parameters[2];
774
775 CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
776 if (device)
777 bChanged = device->SetVendorId(iVendorId);
778 return bChanged;
779 }
780
781 void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
782 {
783 if (!m_processor->IsHandledByLibCEC(iAddress))
784 {
785 CCECBusDevice *otherDevice = m_processor->GetDeviceByPhysicalAddress(iNewAddress);
786 CCECClient *client = otherDevice ? otherDevice->GetClient() : NULL;
787
788 CCECBusDevice *device = m_processor->GetDevice(iAddress);
789 if (device)
790 device->SetPhysicalAddress(iNewAddress);
791 else
792 {
793 LIB_CEC->AddLog(CEC_LOG_DEBUG, "device with logical address %X not found", iAddress);
794 }
795
796 /* another device reported the same physical address as ours */
797 if (client)
798 client->ResetPhysicalAddress();
799 }
800 else
801 {
802 LIB_CEC->AddLog(CEC_LOG_DEBUG, "ignore physical address report for device %s (%X) because it's marked as handled by libCEC", ToString(iAddress), iAddress);
803 }
804 }
805
806 bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
807 {
808 if (iDestination == CECDEVICE_TV)
809 return TransmitImageViewOn(iInitiator, iDestination);
810
811 return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
812 TransmitKeyRelease(iInitiator, iDestination);
813 }
814
815 bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
816 {
817 cec_command command;
818 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
819
820 if (Transmit(command, false, false))
821 {
822 CCECBusDevice* dest = m_processor->GetDevice(iDestination);
823 if (dest && dest->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
824 dest->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
825 return true;
826 }
827 return false;
828 }
829
830 bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
831 {
832 cec_command command;
833 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
834
835 return Transmit(command, false, false);
836 }
837
838 bool CCECCommandHandler::TransmitRequestActiveSource(const cec_logical_address iInitiator, bool bWaitForResponse /* = true */)
839 {
840 cec_command command;
841 cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REQUEST_ACTIVE_SOURCE);
842
843 return Transmit(command, !bWaitForResponse, false);
844 }
845
846 bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
847 {
848 cec_command command;
849 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
850
851 return Transmit(command, !bWaitForResponse, false);
852 }
853
854 bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
855 {
856 cec_command command;
857 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
858
859 return Transmit(command, !bWaitForResponse, false);
860 }
861
862 bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
863 {
864 cec_command command;
865 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
866
867 return Transmit(command, !bWaitForResponse, false);
868 }
869
870 bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
871 {
872 cec_command command;
873 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
874
875 return Transmit(command, !bWaitForResponse, false);
876 }
877
878 bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
879 {
880 if (iDestination == CECDEVICE_TV)
881 {
882 int64_t now(GetTimeMs());
883 if (now - m_iPowerStatusRequested < REQUEST_POWER_STATUS_TIMEOUT)
884 return true;
885 m_iPowerStatusRequested = now;
886 }
887
888 LIB_CEC->AddLog(CEC_LOG_DEBUG, "<< requesting power status of '%s' (%X)", m_busDevice->GetLogicalAddressName(), iDestination);
889
890 cec_command command;
891 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
892
893 return Transmit(command, !bWaitForResponse, false);
894 }
895
896 bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWaitForResponse /* = true */)
897 {
898 cec_command command;
899 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
900
901 return Transmit(command, !bWaitForResponse, false);
902 }
903
904 bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, bool bIsReply)
905 {
906 cec_command command;
907 cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
908 command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
909 command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
910
911 return Transmit(command, false, bIsReply);
912 }
913
914 bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion, bool bIsReply)
915 {
916 cec_command command;
917 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
918 command.parameters.PushBack((uint8_t)cecVersion);
919
920 return Transmit(command, false, bIsReply);
921 }
922
923 bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
924 {
925 cec_command command;
926 cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
927 command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
928 command.parameters.PushBack(iPhysicalAddress & 0xFF);
929
930 return Transmit(command, false, false);
931 }
932
933 bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState, bool bIsReply)
934 {
935 cec_command command;
936 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
937 command.parameters.PushBack((uint8_t)menuState);
938
939 return Transmit(command, false, bIsReply);
940 }
941
942 bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, std::string strDeviceName, bool bIsReply)
943 {
944 cec_command command;
945 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
946 for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
947 command.parameters.PushBack(strDeviceName.at(iPtr));
948
949 return Transmit(command, false, bIsReply);
950 }
951
952 bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage, bool bIsReply)
953 {
954 cec_command command;
955 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
956 command.parameters.PushBack((uint8_t)duration);
957
958 size_t iLen = strlen(strMessage);
959 if (iLen > 13) iLen = 13;
960
961 for (size_t iPtr = 0; iPtr < iLen; iPtr++)
962 command.parameters.PushBack(strMessage[iPtr]);
963
964 return Transmit(command, false, bIsReply);
965 }
966
967 bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type, bool bIsReply)
968 {
969 cec_command command;
970 cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
971 command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
972 command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
973 command.parameters.PushBack((uint8_t) (type));
974
975 return Transmit(command, false, bIsReply);
976 }
977
978 bool CCECCommandHandler::TransmitSetMenuLanguage(const cec_logical_address iInitiator, const char lang[3], bool bIsReply)
979 {
980 cec_command command;
981 command.Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_SET_MENU_LANGUAGE);
982 command.parameters.PushBack((uint8_t) lang[0]);
983 command.parameters.PushBack((uint8_t) lang[1]);
984 command.parameters.PushBack((uint8_t) lang[2]);
985
986 return Transmit(command, false, bIsReply);
987 }
988
989 bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bIsReply)
990 {
991 cec_command command;
992 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
993
994 return Transmit(command, false, bIsReply);
995 }
996
997 bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state, bool bIsReply)
998 {
999 cec_command command;
1000 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
1001 command.parameters.PushBack((uint8_t) state);
1002
1003 return Transmit(command, false, bIsReply);
1004 }
1005
1006 bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId, bool bIsReply)
1007 {
1008 cec_command command;
1009 cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
1010
1011 command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
1012 command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
1013 command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
1014
1015 return Transmit(command, false, bIsReply);
1016 }
1017
1018 bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state, bool bIsReply)
1019 {
1020 cec_command command;
1021 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
1022 command.parameters.PushBack(state);
1023
1024 return Transmit(command, false, bIsReply);
1025 }
1026
1027 bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1028 {
1029 cec_command command;
1030 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
1031 command.parameters.PushBack((uint8_t)state);
1032
1033 return Transmit(command, false, bIsReply);
1034 }
1035
1036 bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath, bool bIsReply)
1037 {
1038 if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
1039 {
1040 LIB_CEC->AddLog(CEC_LOG_ERROR, "only the TV is allowed to send CEC_OPCODE_SET_STREAM_PATH");
1041 return false;
1042 }
1043 cec_command command;
1044 cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
1045 command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
1046 command.parameters.PushBack((uint8_t) (iStreamPath & 0xFF));
1047
1048 return Transmit(command, false, bIsReply);
1049 }
1050
1051 bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state, bool bIsReply)
1052 {
1053 cec_command command;
1054 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
1055 command.parameters.PushBack((uint8_t)state);
1056
1057 return Transmit(command, false, bIsReply);
1058 }
1059
1060 bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state, bool bIsReply)
1061 {
1062 cec_command command;
1063 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
1064 command.PushBack((uint8_t)state);
1065
1066 return Transmit(command, false, bIsReply);
1067 }
1068
1069 bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
1070 {
1071 cec_command command;
1072 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
1073 command.parameters.PushBack((uint8_t)key);
1074
1075 return Transmit(command, !bWait, false);
1076 }
1077
1078 bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
1079 {
1080 cec_command command;
1081 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
1082
1083 return Transmit(command, !bWait, false);
1084 }
1085
1086 bool CCECCommandHandler::Transmit(cec_command &command, bool bSuppressWait, bool bIsReply)
1087 {
1088 bool bReturn(false);
1089 cec_opcode expectedResponse(cec_command::GetResponseOpcode(command.opcode));
1090 bool bExpectResponse(expectedResponse != CEC_OPCODE_NONE && !bSuppressWait);
1091 command.transmit_timeout = m_iTransmitTimeout;
1092
1093 if (command.initiator == CECDEVICE_UNKNOWN)
1094 {
1095 LIB_CEC->AddLog(CEC_LOG_ERROR, "not transmitting a command without a valid initiator");
1096 return bReturn;
1097 }
1098
1099 // check whether the destination is not marked as not present or handled by libCEC
1100 if (command.destination != CECDEVICE_BROADCAST && command.opcode_set)
1101 {
1102 CCECBusDevice* destinationDevice = m_processor->GetDevice(command.destination);
1103 cec_bus_device_status status = destinationDevice ? destinationDevice->GetStatus() : CEC_DEVICE_STATUS_NOT_PRESENT;
1104 if (status == CEC_DEVICE_STATUS_NOT_PRESENT)
1105 {
1106 LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as not present", ToString(command.opcode),ToString(command.destination));
1107 return bReturn;
1108 }
1109 else if (status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
1110 {
1111 LIB_CEC->AddLog(CEC_LOG_DEBUG, "not sending command '%s': destination device '%s' marked as handled by libCEC", ToString(command.opcode),ToString(command.destination));
1112 return bReturn;
1113 }
1114 }
1115
1116 {
1117 uint8_t iTries(0), iMaxTries(!command.opcode_set ? 1 : m_iTransmitRetries + 1);
1118 while (!bReturn && ++iTries <= iMaxTries && !m_busDevice->IsUnsupportedFeature(command.opcode))
1119 {
1120 if ((bReturn = m_processor->Transmit(command, bIsReply)) == true)
1121 {
1122 #ifdef CEC_DEBUGGING
1123 LIB_CEC->AddLog(CEC_LOG_DEBUG, "command transmitted");
1124 #endif
1125 if (bExpectResponse)
1126 {
1127 bReturn = m_busDevice->WaitForOpcode(expectedResponse);
1128 LIB_CEC->AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, ToString(expectedResponse));
1129 }
1130 }
1131 }
1132 }
1133
1134 return bReturn;
1135 }
1136
1137 bool CCECCommandHandler::ActivateSource(bool bTransmitDelayedCommandsOnly /* = false */)
1138 {
1139 if (m_busDevice->IsActiveSource() &&
1140 m_busDevice->IsHandledByLibCEC())
1141 {
1142 {
1143 CLockObject lock(m_mutex);
1144 // check if we need to send a delayed source switch
1145 if (bTransmitDelayedCommandsOnly)
1146 {
1147 if (m_iActiveSourcePending == 0 || GetTimeMs() < m_iActiveSourcePending)
1148 return false;
1149
1150 #ifdef CEC_DEBUGGING
1151 LIB_CEC->AddLog(CEC_LOG_DEBUG, "transmitting delayed activate source command");
1152 #endif
1153 }
1154 }
1155
1156 // update the power state and menu state
1157 if (!bTransmitDelayedCommandsOnly)
1158 {
1159 m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
1160 m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
1161 }
1162
1163 // vendor specific hook
1164 VendorPreActivateSourceHook();
1165
1166 // power on the TV
1167 CCECBusDevice* tv = m_processor->GetDevice(CECDEVICE_TV);
1168 bool bTvPresent = (tv && tv->GetStatus() == CEC_DEVICE_STATUS_PRESENT);
1169 bool bActiveSourceFailed(false);
1170 if (bTvPresent)
1171 {
1172 if (tv->GetCurrentPowerStatus() != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
1173 bActiveSourceFailed = !m_busDevice->TransmitImageViewOn();
1174 }
1175 else
1176 LIB_CEC->AddLog(CEC_LOG_DEBUG, "TV not present, not sending 'image view on'");
1177
1178 // check if we're allowed to switch sources
1179 bool bSourceSwitchAllowed = SourceSwitchAllowed();
1180 if (!bSourceSwitchAllowed)
1181 LIB_CEC->AddLog(CEC_LOG_DEBUG, "source switch is currently not allowed by command handler");
1182
1183 // switch sources (if allowed)
1184 if (!bActiveSourceFailed && bSourceSwitchAllowed)
1185 {
1186 bActiveSourceFailed = !m_busDevice->TransmitActiveSource(false);
1187 if (bTvPresent && !bActiveSourceFailed)
1188 bActiveSourceFailed = !m_busDevice->TransmitMenuState(CECDEVICE_TV, false);
1189
1190 // update the deck status for playback devices
1191 if (bTvPresent && !bActiveSourceFailed)
1192 {
1193 CCECPlaybackDevice *playbackDevice = m_busDevice->AsPlaybackDevice();
1194 if (playbackDevice && SendDeckStatusUpdateOnActiveSource())
1195 bActiveSourceFailed = !playbackDevice->TransmitDeckStatus(CECDEVICE_TV, false);
1196 }
1197 }
1198
1199 // retry later
1200 if (bActiveSourceFailed || !bSourceSwitchAllowed)
1201 {
1202 LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to make '%s' the active source. will retry later", m_busDevice->GetLogicalAddressName());
1203 int64_t now(GetTimeMs());
1204 CLockObject lock(m_mutex);
1205 if (m_iActiveSourcePending == 0 || m_iActiveSourcePending < now)
1206 m_iActiveSourcePending = now + (int64_t)CEC_ACTIVE_SOURCE_SWITCH_RETRY_TIME_MS;
1207 return false;
1208 }
1209 else
1210 {
1211 CLockObject lock(m_mutex);
1212 // clear previous pending active source command
1213 m_iActiveSourcePending = 0;
1214 }
1215
1216 // mark the handler as initialised
1217 CLockObject lock(m_mutex);
1218 m_bHandlerInited = true;
1219 }
1220 return true;
1221 }
1222
1223 void CCECCommandHandler::ScheduleActivateSource(uint64_t iDelay)
1224 {
1225 CLockObject lock(m_mutex);
1226 m_iActiveSourcePending = GetTimeMs() + iDelay;
1227 }