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cec: fixed possible crash when in CLibCEC::IsLibCECActiveSource() when libCEC doesn...
[deb_libcec.git] / src / lib / implementations / CECCommandHandler.cpp
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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 "CECCommandHandler.h"
34#include "../devices/CECBusDevice.h"
35#include "../devices/CECAudioSystem.h"
36#include "../devices/CECPlaybackDevice.h"
37#include "../CECProcessor.h"
38#include "../LibCEC.h"
39
40using namespace CEC;
41using namespace std;
42using namespace PLATFORM;
43
44CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) :
45 m_busDevice(busDevice),
46 m_processor(m_busDevice->GetProcessor()),
47 m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT),
48 m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT),
49 m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES),
50 m_bHandlerInited(false),
51 m_bOPTSendDeckStatusUpdateOnActiveSource(false),
52 m_vendorId(CEC_VENDOR_UNKNOWN),
53 m_waitForResponse(new CWaitForResponse)
54{
55}
56
57CCECCommandHandler::~CCECCommandHandler(void)
58{
59 delete m_waitForResponse;
60}
61
62bool CCECCommandHandler::HandleCommand(const cec_command &command)
63{
64 if (command.opcode_set == 0)
65 return HandlePoll(command);
66
67 bool bHandled(true);
68
69 CLibCEC::AddCommand(command);
70
71 switch(command.opcode)
72 {
73 case CEC_OPCODE_REPORT_POWER_STATUS:
74 HandleReportPowerStatus(command);
75 break;
76 case CEC_OPCODE_CEC_VERSION:
77 HandleDeviceCecVersion(command);
78 break;
79 case CEC_OPCODE_SET_MENU_LANGUAGE:
80 HandleSetMenuLanguage(command);
81 break;
82 case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
83 if (m_processor->IsInitialised())
84 HandleGivePhysicalAddress(command);
85 break;
86 case CEC_OPCODE_GIVE_OSD_NAME:
87 if (m_processor->IsInitialised())
88 HandleGiveOSDName(command);
89 break;
90 case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
91 if (m_processor->IsInitialised())
92 HandleGiveDeviceVendorId(command);
93 break;
94 case CEC_OPCODE_DEVICE_VENDOR_ID:
95 HandleDeviceVendorId(command);
96 break;
97 case CEC_OPCODE_VENDOR_COMMAND_WITH_ID:
98 HandleDeviceVendorCommandWithId(command);
99 break;
100 case CEC_OPCODE_GIVE_DECK_STATUS:
101 if (m_processor->IsInitialised())
102 HandleGiveDeckStatus(command);
103 break;
104 case CEC_OPCODE_DECK_CONTROL:
105 HandleDeckControl(command);
106 break;
107 case CEC_OPCODE_MENU_REQUEST:
108 if (m_processor->IsInitialised())
109 HandleMenuRequest(command);
110 break;
111 case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
112 if (m_processor->IsInitialised())
113 HandleGiveDevicePowerStatus(command);
114 break;
115 case CEC_OPCODE_GET_CEC_VERSION:
116 if (m_processor->IsInitialised())
117 HandleGetCecVersion(command);
118 break;
119 case CEC_OPCODE_USER_CONTROL_PRESSED:
120 if (m_processor->IsInitialised())
121 HandleUserControlPressed(command);
122 break;
123 case CEC_OPCODE_USER_CONTROL_RELEASE:
124 if (m_processor->IsInitialised())
125 HandleUserControlRelease(command);
126 break;
127 case CEC_OPCODE_GIVE_AUDIO_STATUS:
128 if (m_processor->IsInitialised())
129 HandleGiveAudioStatus(command);
130 break;
131 case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS:
132 if (m_processor->IsInitialised())
133 HandleGiveSystemAudioModeStatus(command);
134 break;
135 case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST:
136 if (m_processor->IsInitialised())
137 HandleSystemAudioModeRequest(command);
138 break;
139 case CEC_OPCODE_REPORT_AUDIO_STATUS:
140 HandleReportAudioStatus(command);
141 break;
142 case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS:
143 HandleSystemAudioModeStatus(command);
144 break;
145 case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE:
146 HandleSetSystemAudioMode(command);
147 break;
148 case CEC_OPCODE_REQUEST_ACTIVE_SOURCE:
149 if (m_processor->IsInitialised())
150 HandleRequestActiveSource(command);
151 break;
152 case CEC_OPCODE_SET_STREAM_PATH:
153 HandleSetStreamPath(command);
154 break;
155 case CEC_OPCODE_ROUTING_CHANGE:
156 HandleRoutingChange(command);
157 break;
158 case CEC_OPCODE_ROUTING_INFORMATION:
159 HandleRoutingInformation(command);
160 break;
161 case CEC_OPCODE_STANDBY:
162 if (m_processor->IsInitialised())
163 HandleStandby(command);
164 break;
165 case CEC_OPCODE_ACTIVE_SOURCE:
166 HandleActiveSource(command);
167 break;
168 case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS:
169 HandleReportPhysicalAddress(command);
170 break;
171 case CEC_OPCODE_SET_OSD_NAME:
172 HandleSetOSDName(command);
173 break;
174 case CEC_OPCODE_IMAGE_VIEW_ON:
175 HandleImageViewOn(command);
176 break;
177 case CEC_OPCODE_TEXT_VIEW_ON:
178 HandleTextViewOn(command);
179 break;
180 case CEC_OPCODE_FEATURE_ABORT:
181 HandleFeatureAbort(command);
182 break;
183 case CEC_OPCODE_VENDOR_COMMAND:
184 HandleVendorCommand(command);
185 break;
186 default:
187 UnhandledCommand(command);
188 bHandled = false;
189 break;
190 }
191
192 if (bHandled)
193 m_waitForResponse->Received((command.opcode == CEC_OPCODE_FEATURE_ABORT && command.parameters.size > 0) ? (cec_opcode)command.parameters[0] : command.opcode);
194
195 return bHandled;
196}
197
198bool CCECCommandHandler::HandleActiveSource(const cec_command &command)
199{
200 if (command.parameters.size == 2)
201 {
202 uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
203 return m_processor->SetActiveSource(iAddress);
204 }
205
206 return true;
207}
208
209bool CCECCommandHandler::HandleDeckControl(const cec_command &command)
210{
211 CCECBusDevice *device = GetDevice(command.destination);
212 if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0)
213 {
214 ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]);
215 return true;
216 }
217
218 return false;
219}
220
221bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command)
222{
223 if (command.parameters.size == 1)
224 {
225 CCECBusDevice *device = GetDevice(command.initiator);
226 if (device)
227 device->SetCecVersion((cec_version) command.parameters[0]);
228 }
229
230 return true;
231}
232
233bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command)
234{
235 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
236 m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED);
237
238 return true;
239}
240
241bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command)
242{
243 return SetVendorId(command);
244}
245
246bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command)
247{
248 if (command.parameters.size == 2 &&
249 (command.parameters[1] == CEC_ABORT_REASON_UNRECOGNIZED_OPCODE ||
250 command.parameters[1] == CEC_ABORT_REASON_REFUSED))
251 m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]);
252 return true;
253}
254
255bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command)
256{
257 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
258 {
259 CCECBusDevice *device = GetDevice(command.destination);
260 if (device)
261 return device->TransmitCECVersion(command.initiator);
262 }
263
264 return false;
265}
266
267bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command)
268{
269 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
270 {
271 CCECBusDevice *device = GetDevice(command.destination);
272 if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
273 return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator);
274 }
275
276 return false;
277}
278
279bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command)
280{
281 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
282 {
283 CCECBusDevice *device = GetDevice(command.destination);
284 if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
285 return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
286 }
287
288 return false;
289}
290
291bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
292{
293 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
294 {
295 CCECBusDevice *device = GetDevice(command.destination);
296 if (device)
297 return device->TransmitPowerState(command.initiator);
298 }
299
300 return false;
301}
302
303bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
304{
305 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
306 {
307 CCECBusDevice *device = GetDevice(command.destination);
308 if (device)
309 return device->TransmitVendorID(command.initiator);
310 }
311
312 return false;
313}
314
315bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command)
316{
317 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
318 {
319 CCECBusDevice *device = GetDevice(command.destination);
320 if (device)
321 return device->TransmitOSDName(command.initiator);
322 }
323
324 return false;
325}
326
327bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
328{
329 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
330 {
331 CCECBusDevice *device = GetDevice(command.destination);
332 if (device)
333 {
334 device->SetActiveSource();
335 return device->TransmitPhysicalAddress() &&
336 device->TransmitImageViewOn() &&
337 device->TransmitActiveSource();
338 }
339 }
340
341 return false;
342}
343
344bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command)
345{
346 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
347 {
348 CCECBusDevice *device = GetDevice(command.destination);
349 if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
350 return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator);
351 }
352
353 return false;
354}
355
356bool CCECCommandHandler::HandleImageViewOn(const cec_command &command)
357{
358 m_processor->m_busDevices[command.initiator]->SetActiveSource();
359 return true;
360}
361
362bool CCECCommandHandler::HandleMenuRequest(const cec_command &command)
363{
364 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
365 {
366 if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY)
367 {
368 CCECBusDevice *device = GetDevice(command.destination);
369 if (device)
370 return device->TransmitMenuState(command.initiator);
371 }
372 }
373
374 return false;
375}
376
377bool CCECCommandHandler::HandlePoll(const cec_command &command)
378{
379 m_busDevice->HandlePoll(command.initiator);
380 return true;
381}
382
383bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command)
384{
385 if (command.parameters.size == 1)
386 {
387 CCECBusDevice *device = GetDevice(command.initiator);
388 if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
389 {
390 ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]);
391 return true;
392 }
393 }
394 return false;
395}
396
397bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command)
398{
399 if (command.parameters.size == 3)
400 {
401 uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
402 SetPhysicalAddress(command.initiator, iNewAddress);
403 }
404 return true;
405}
406
407bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command)
408{
409 if (command.parameters.size == 1)
410 {
411 CCECBusDevice *device = GetDevice(command.initiator);
412 if (device)
413 device->SetPowerStatus((cec_power_status) command.parameters[0]);
414 }
415 return true;
416}
417
418bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command)
419{
420 if (m_processor->IsRunning())
421 {
422 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator);
423
424 vector<CCECBusDevice *> devices;
425 for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++)
426 devices[iDevicePtr]->TransmitActiveSource();
427
428 return true;
429 }
430 return false;
431}
432
433bool CCECCommandHandler::HandleRoutingChange(const cec_command &command)
434{
435 if (command.parameters.size == 4)
436 {
437 uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
438 uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]);
439
440 CCECBusDevice *device = GetDevice(command.initiator);
441 if (device)
442 device->SetStreamPath(iNewAddress, iOldAddress);
443 }
444 return true;
445}
446
447bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command)
448{
449 if (command.parameters.size == 2)
450 {
451 uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
452 m_processor->SetActiveSource(iNewAddress);
453 }
454
455 return false;
456}
457
458bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command)
459{
460 if (command.parameters.size == 3)
461 {
462 CCECBusDevice *device = GetDevice(command.initiator);
463 if (device)
464 {
465 cec_menu_language language;
466 language.device = command.initiator;
467 for (uint8_t iPtr = 0; iPtr < 4; iPtr++)
468 language.language[iPtr] = command.parameters[iPtr];
469 language.language[3] = 0;
470 device->SetMenuLanguage(language);
471 return true;
472 }
473 }
474 return false;
475}
476
477bool CCECCommandHandler::HandleSetOSDName(const cec_command &command)
478{
479 if (command.parameters.size > 0)
480 {
481 CCECBusDevice *device = GetDevice(command.initiator);
482 if (device)
483 {
484 char buf[1024];
485 for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
486 buf[iPtr] = (char)command.parameters[iPtr];
487 buf[command.parameters.size] = 0;
488
489 CStdString strName(buf);
490 device->SetOSDName(strName);
491
492 return true;
493 }
494 }
495 return false;
496}
497
498bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command)
499{
500 if (m_processor->IsRunning() && command.parameters.size >= 2)
501 {
502 uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
503 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress);
504
505 /* one of the device handled by libCEC has been made active */
506 CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress);
507 if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress()))
508 {
509 device->SetActiveSource();
510 device->TransmitImageViewOn();
511 device->TransmitActiveSource();
512
513 device->SetMenuState(CEC_MENU_STATE_ACTIVATED);
514 device->TransmitMenuState(command.initiator);
515 }
516 }
517 return false;
518}
519
520bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command)
521{
522 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
523 {
524 CCECBusDevice *device = GetDevice(command.destination);
525 if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
526 {
527 if (command.parameters.size >= 2)
528 {
529 device->SetPowerStatus(CEC_POWER_STATUS_ON);
530 ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON);
531 uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
532 CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress);
533 if (newActiveDevice)
534 newActiveDevice->SetActiveSource();
535 return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
536 }
537 else
538 {
539 ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF);
540 return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator);
541 }
542 }
543 }
544 return false;
545}
546
547bool CCECCommandHandler::HandleStandby(const cec_command &command)
548{
549 CCECBusDevice *device = GetDevice(command.initiator);
550 if (device)
551 device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
552
553 return true;
554}
555
556bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command)
557{
558 if (command.parameters.size == 1)
559 {
560 CCECBusDevice *device = GetDevice(command.initiator);
561 if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
562 {
563 ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
564 return true;
565 }
566 }
567
568 return false;
569}
570
571bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command)
572{
573 if (command.parameters.size == 1)
574 {
575 CCECBusDevice *device = GetDevice(command.initiator);
576 if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
577 {
578 ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]);
579 return true;
580 }
581 }
582
583 return false;
584}
585
586bool CCECCommandHandler::HandleTextViewOn(const cec_command &command)
587{
588 m_processor->m_busDevices[command.initiator]->SetActiveSource();
589 return true;
590}
591
592bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command)
593{
594 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0)
595 {
596 CLibCEC::AddKey();
597
598 if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX)
599 {
600 if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER ||
601 command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION)
602 {
603 CCECBusDevice *device = GetDevice(command.destination);
604 if (device)
605 {
606 device->SetPowerStatus(CEC_POWER_STATUS_ON);
607 if (device->MyLogicalAddressContains(device->GetLogicalAddress()))
608 {
609 device->SetActiveSource();
610 device->TransmitImageViewOn();
611 device->TransmitActiveSource();
612
613 if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
614 device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
615 ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator);
616 }
617 }
618 }
619 else
620 {
621 CLibCEC::SetCurrentButton((cec_user_control_code) command.parameters[0]);
622 }
623 return true;
624 }
625 }
626 return false;
627}
628
629bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command)
630{
631 if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
632 CLibCEC::AddKey();
633
634 return true;
635}
636
637bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command))
638{
639 return true;
640}
641
642void CCECCommandHandler::UnhandledCommand(const cec_command &command)
643{
644 CLibCEC::AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator);
645}
646
647size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const
648{
649 size_t iReturn(0);
650
651 cec_logical_addresses addresses = m_processor->GetLogicalAddresses();
652 for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
653 {
654 if (addresses[iPtr])
655 {
656 devices.push_back(GetDevice((cec_logical_address) iPtr));
657 ++iReturn;
658 }
659 }
660
661 return iReturn;
662}
663
664CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const
665{
666 CCECBusDevice *device = NULL;
667
668 if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST)
669 device = m_processor->m_busDevices[iLogicalAddress];
670
671 return device;
672}
673
674CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
675{
676 return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress);
677}
678
679CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const
680{
681 return m_processor->GetDeviceByType(type);
682}
683
684bool CCECCommandHandler::SetVendorId(const cec_command &command)
685{
686 bool bChanged(false);
687 if (command.parameters.size < 3)
688 {
689 CLibCEC::AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
690 return bChanged;
691 }
692
693 uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) +
694 ((uint64_t)command.parameters[1] << 8) +
695 (uint64_t)command.parameters[2];
696
697 CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator);
698 if (device)
699 bChanged = device->SetVendorId(iVendorId);
700 return bChanged;
701}
702
703void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress)
704{
705 if (!m_busDevice->MyLogicalAddressContains(iAddress))
706 {
707 bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress);
708 GetDevice(iAddress)->SetPhysicalAddress(iNewAddress);
709 if (bOurAddress)
710 {
711 /* another device reported the same physical address as ours
712 * since we don't have physical address detection yet, we'll just use the
713 * given address, increased by 0x100 for now */
714 m_processor->SetPhysicalAddress(iNewAddress + 0x100);
715 }
716 }
717}
718
719bool CCECCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
720{
721 if (iDestination == CECDEVICE_TV)
722 return TransmitImageViewOn(iInitiator, iDestination);
723
724 return TransmitKeypress(iInitiator, iDestination, CEC_USER_CONTROL_CODE_POWER) &&
725 TransmitKeyRelease(iInitiator, iDestination);
726}
727
728bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
729{
730 cec_command command;
731 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON);
732
733 return Transmit(command, false);
734}
735
736bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination)
737{
738 cec_command command;
739 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY);
740
741 return Transmit(command, false);
742}
743
744bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination)
745{
746 cec_command command;
747 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION);
748
749 return Transmit(command, true, CEC_OPCODE_CEC_VERSION);
750}
751
752bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination)
753{
754 cec_command command;
755 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE);
756
757 return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE);
758}
759
760bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination)
761{
762 cec_command command;
763 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME);
764
765 return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME);
766}
767
768bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination)
769{
770 cec_command command;
771 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS);
772
773 return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
774}
775
776bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination)
777{
778 cec_command command;
779 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
780
781 return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS);
782}
783
784bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
785{
786 cec_command command;
787 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
788
789 return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID);
790}
791
792bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
793{
794 cec_command command;
795 cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
796 command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
797 command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
798
799 return Transmit(command, false);
800}
801
802bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion)
803{
804 cec_command command;
805 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION);
806 command.parameters.PushBack((uint8_t)cecVersion);
807
808 return Transmit(command, false);
809}
810
811bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress)
812{
813 cec_command command;
814 cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE);
815 command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF);
816 command.parameters.PushBack(iPhysicalAddress & 0xFF);
817
818 return Transmit(command, false);
819}
820
821bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState)
822{
823 cec_command command;
824 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS);
825 command.parameters.PushBack((uint8_t)menuState);
826
827 return Transmit(command, false);
828}
829
830bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName)
831{
832 cec_command command;
833 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME);
834 for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++)
835 command.parameters.PushBack(strDeviceName.at(iPtr));
836
837 return Transmit(command, false);
838}
839
840bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage)
841{
842 cec_command command;
843 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING);
844 command.parameters.PushBack((uint8_t)duration);
845
846 size_t iLen = strlen(strMessage);
847 if (iLen > 13) iLen = 13;
848
849 for (size_t iPtr = 0; iPtr < iLen; iPtr++)
850 command.parameters.PushBack(strMessage[iPtr]);
851
852 return Transmit(command, false);
853}
854
855bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type)
856{
857 cec_command command;
858 cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
859 command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF));
860 command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF));
861 command.parameters.PushBack((uint8_t) (type));
862
863 return Transmit(command, false);
864}
865
866bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
867{
868 cec_command command;
869 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE);
870
871 return Transmit(command, false);
872}
873
874bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state)
875{
876 cec_command command;
877 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS);
878 command.parameters.PushBack((uint8_t) state);
879
880 return Transmit(command, false);
881}
882
883bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId)
884{
885 cec_command command;
886 cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID);
887
888 command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF));
889 command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF));
890 command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF));
891
892 return Transmit(command, false);
893}
894
895bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state)
896{
897 cec_command command;
898 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS);
899 command.parameters.PushBack(state);
900
901 return Transmit(command, false);
902}
903
904bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
905{
906 cec_command command;
907 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE);
908 command.parameters.PushBack((uint8_t)state);
909
910 return Transmit(command, false);
911}
912
913bool CCECCommandHandler::TransmitSetStreamPath(uint16_t iStreamPath)
914{
915 cec_command command;
916 cec_command::Format(command, m_busDevice->GetLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_SET_STREAM_PATH);
917 command.parameters.PushBack((uint8_t) ((iStreamPath >> 8) & 0xFF));
918 command.parameters.PushBack((uint8_t) (iStreamPath & 0xFF));
919
920 return Transmit(command, false);
921}
922
923bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state)
924{
925 cec_command command;
926 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS);
927 command.parameters.PushBack((uint8_t)state);
928
929 return Transmit(command, false);
930}
931
932bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state)
933{
934 cec_command command;
935 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS);
936 command.PushBack((uint8_t)state);
937
938 return Transmit(command, false);
939}
940
941bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
942{
943 cec_command command;
944 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED);
945 command.parameters.PushBack((uint8_t)key);
946
947 return Transmit(command, bWait);
948}
949
950bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */)
951{
952 cec_command command;
953 cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE);
954
955 return Transmit(command, bWait);
956}
957
958bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */)
959{
960 bool bReturn(false);
961 command.transmit_timeout = m_iTransmitTimeout;
962
963 {
964 uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1);
965 CLockObject writeLock(m_processor->m_transmitMutex);
966 while (!bReturn && ++iTries <= iMaxTries)
967 {
968 if ((bReturn = m_processor->Transmit(command)) == true)
969 {
970 CLibCEC::AddLog(CEC_LOG_DEBUG, "command transmitted");
971 if (bExpectResponse)
972 {
973 bReturn = m_waitForResponse->Wait(expectedResponse);
974 CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? "expected response received (%X: %s)" : "expected response not received (%X: %s)", (int)expectedResponse, m_processor->ToString(expectedResponse));
975 }
976 }
977 }
978 }
979
980 return bReturn;
981}
982
983bool CCECCommandHandler::ActivateSource(void)
984{
985 if (m_busDevice->IsActiveSource() &&
986 m_busDevice->GetStatus(false) == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
987 {
988 m_busDevice->SetPowerStatus(CEC_POWER_STATUS_ON);
989 m_busDevice->SetMenuState(CEC_MENU_STATE_ACTIVATED);
990
991 m_busDevice->TransmitImageViewOn();
992 m_busDevice->TransmitActiveSource();
993 m_busDevice->TransmitMenuState(CECDEVICE_TV);
994 if ((m_busDevice->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
995 m_busDevice->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) &&
996 SendDeckStatusUpdateOnActiveSource())
997 ((CCECPlaybackDevice *)m_busDevice)->TransmitDeckStatus(CECDEVICE_TV);
998 m_bHandlerInited = true;
999 }
1000 return true;
1001}
libcec Piment Noir Debian package repository