cec: cleaned up CCECBusDevice::GetStatus()
[deb_libcec.git] / src / lib / devices / CECBusDevice.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 "CECBusDevice.h"
34 #include "../CECProcessor.h"
35 #include "../implementations/ANCommandHandler.h"
36 #include "../implementations/CECCommandHandler.h"
37 #include "../implementations/SLCommandHandler.h"
38 #include "../implementations/VLCommandHandler.h"
39 #include "../LibCEC.h"
40 #include "../platform/util/timeutils.h"
41
42 using namespace CEC;
43 using namespace PLATFORM;
44
45 #define ToString(p) m_processor->ToString(p)
46
47 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
48 m_type(CEC_DEVICE_TYPE_RESERVED),
49 m_iPhysicalAddress(iPhysicalAddress),
50 m_iStreamPath(0),
51 m_iLogicalAddress(iLogicalAddress),
52 m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
53 m_processor(processor),
54 m_vendor(CEC_VENDOR_UNKNOWN),
55 m_bReplaceHandler(false),
56 m_menuState(CEC_MENU_STATE_ACTIVATED),
57 m_bActiveSource(false),
58 m_iLastActive(0),
59 m_iLastPowerStateUpdate(0),
60 m_cecVersion(CEC_VERSION_UNKNOWN),
61 m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
62 m_iHandlerUseCount(0),
63 m_bAwaitingReceiveFailed(false)
64 {
65 m_handler = new CCECCommandHandler(this);
66
67 for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
68 m_menuLanguage.language[iPtr] = '?';
69 m_menuLanguage.language[3] = 0;
70 m_menuLanguage.device = iLogicalAddress;
71
72 m_strDeviceName = ToString(m_iLogicalAddress);
73 }
74
75 CCECBusDevice::~CCECBusDevice(void)
76 {
77 delete m_handler;
78 }
79
80 bool CCECBusDevice::HandleCommand(const cec_command &command)
81 {
82 bool bHandled(false);
83
84 /* update "last active" */
85 {
86 CLockObject lock(m_mutex);
87 m_iLastActive = GetTimeMs();
88
89 /* don't call GetStatus() here, just read the value with the mutex locked */
90 if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
91 m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
92
93 MarkBusy();
94 }
95
96 /* handle the command */
97 bHandled = m_handler->HandleCommand(command);
98
99 /* change status to present */
100 if (bHandled)
101 {
102 CLockObject lock(m_mutex);
103 if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
104 {
105 if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
106 CLibCEC::AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
107 m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
108 }
109 }
110
111 MarkReady();
112 return bHandled;
113 }
114
115 bool CCECBusDevice::PowerOn(void)
116 {
117 bool bReturn(false);
118 GetVendorId(); // ensure that we got the vendor id, because the implementations vary per vendor
119
120 MarkBusy();
121 cec_power_status currentStatus = GetPowerStatus(false);
122 if (currentStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
123 currentStatus != CEC_POWER_STATUS_ON)
124 {
125 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
126 if (m_handler->PowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
127 {
128 SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
129 bReturn = true;
130 }
131 }
132 else
133 {
134 CLibCEC::AddLog(CEC_LOG_NOTICE, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
135 }
136
137 MarkReady();
138 return bReturn;
139 }
140
141 bool CCECBusDevice::Standby(void)
142 {
143 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
144 MarkBusy();
145 bool bReturn = m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
146 MarkReady();
147 return bReturn;
148 }
149
150 /** @name Getters */
151 //@{
152 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
153 {
154 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
155 bool bRequestUpdate(false);
156 {
157 CLockObject lock(m_mutex);
158 bRequestUpdate = bIsPresent &&
159 (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
160 }
161
162 if (bRequestUpdate)
163 RequestCecVersion();
164
165 CLockObject lock(m_mutex);
166 return m_cecVersion;
167 }
168
169 bool CCECBusDevice::RequestCecVersion(void)
170 {
171 bool bReturn(false);
172
173 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
174 !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
175 {
176 MarkBusy();
177 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
178
179 bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
180 MarkReady();
181 }
182 return bReturn;
183 }
184
185 const char* CCECBusDevice::GetLogicalAddressName(void) const
186 {
187 return ToString(m_iLogicalAddress);
188 }
189
190 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
191 {
192 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
193 bool bRequestUpdate(false);
194 {
195 CLockObject lock(m_mutex);
196 bRequestUpdate = (bIsPresent &&
197 (bUpdate || !strcmp(m_menuLanguage.language, "???")));
198 }
199
200 if (bRequestUpdate)
201 RequestMenuLanguage();
202
203 CLockObject lock(m_mutex);
204 return m_menuLanguage;
205 }
206
207 bool CCECBusDevice::RequestMenuLanguage(void)
208 {
209 bool bReturn(false);
210
211 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
212 !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
213 {
214 MarkBusy();
215 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
216 bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
217 MarkReady();
218 }
219 return bReturn;
220 }
221
222 cec_menu_state CCECBusDevice::GetMenuState(void)
223 {
224 CLockObject lock(m_mutex);
225 return m_menuState;
226 }
227
228 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
229 {
230 return m_processor->GetLogicalAddress();
231 }
232
233 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
234 {
235 return m_processor->GetPhysicalAddress();
236 }
237
238 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
239 {
240 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
241 bool bRequestUpdate(false);
242 {
243 CLockObject lock(m_mutex);
244 bRequestUpdate = bIsPresent &&
245 (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
246 m_type != CEC_DEVICE_TYPE_TV;
247 }
248
249 if (bRequestUpdate)
250 RequestOSDName();
251
252 CLockObject lock(m_mutex);
253 return m_strDeviceName;
254 }
255
256 bool CCECBusDevice::RequestOSDName(void)
257 {
258 bool bReturn(false);
259
260 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
261 !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
262 {
263 MarkBusy();
264 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
265 bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
266 MarkReady();
267 }
268 return bReturn;
269 }
270
271 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
272 {
273 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
274 bool bRequestUpdate(false);
275 {
276 CLockObject lock(m_mutex);
277 bRequestUpdate = bIsPresent &&
278 (m_iPhysicalAddress == 0xFFFF || bUpdate);
279 }
280
281 if (bRequestUpdate && !RequestPhysicalAddress())
282 CLibCEC::AddLog(CEC_LOG_ERROR, "failed to request the physical address");
283
284 CLockObject lock(m_mutex);
285 return m_iPhysicalAddress;
286 }
287
288 bool CCECBusDevice::RequestPhysicalAddress(void)
289 {
290 bool bReturn(false);
291
292 if (!MyLogicalAddressContains(m_iLogicalAddress))
293 {
294 MarkBusy();
295 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
296 bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
297 MarkReady();
298 }
299 return bReturn;
300 }
301
302 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
303 {
304 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
305 bool bRequestUpdate(false);
306 {
307 CLockObject lock(m_mutex);
308 bRequestUpdate = (bIsPresent &&
309 (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
310 m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
311 m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
312 GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
313 }
314
315 if (bRequestUpdate)
316 RequestPowerStatus();
317
318 CLockObject lock(m_mutex);
319 return m_powerStatus;
320 }
321
322 bool CCECBusDevice::RequestPowerStatus(void)
323 {
324 bool bReturn(false);
325
326 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
327 !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
328 {
329 MarkBusy();
330 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
331 bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
332 MarkReady();
333 }
334 return bReturn;
335 }
336
337 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
338 {
339 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
340 bool bRequestUpdate(false);
341 {
342 CLockObject lock(m_mutex);
343 bRequestUpdate = (bIsPresent &&
344 (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
345 }
346
347 if (bRequestUpdate)
348 RequestVendorId();
349
350 CLockObject lock(m_mutex);
351 return m_vendor;
352 }
353
354 bool CCECBusDevice::RequestVendorId(void)
355 {
356 bool bReturn(false);
357
358 if (!MyLogicalAddressContains(m_iLogicalAddress))
359 {
360 MarkBusy();
361 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
362 bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
363 MarkReady();
364
365 ReplaceHandler(true);
366 }
367 return bReturn;
368 }
369
370 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
371 {
372 return ToString(GetVendorId(bUpdate));
373 }
374
375 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
376 {
377 return m_processor->HasLogicalAddress(address);
378 }
379
380 bool CCECBusDevice::NeedsPoll(void)
381 {
382 bool bSendPoll(false);
383 switch (m_iLogicalAddress)
384 {
385 case CECDEVICE_PLAYBACKDEVICE3:
386 {
387 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus();
388 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
389 }
390 break;
391 case CECDEVICE_PLAYBACKDEVICE2:
392 {
393 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus();
394 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
395 }
396 break;
397 case CECDEVICE_RECORDINGDEVICE3:
398 {
399 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus();
400 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
401 }
402 break;
403 case CECDEVICE_RECORDINGDEVICE2:
404 {
405 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus();
406 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
407 }
408 break;
409 case CECDEVICE_TUNER4:
410 {
411 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus();
412 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
413 }
414 break;
415 case CECDEVICE_TUNER3:
416 {
417 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus();
418 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
419 }
420 break;
421 case CECDEVICE_TUNER2:
422 {
423 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus();
424 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
425 }
426 break;
427 case CECDEVICE_AUDIOSYSTEM:
428 case CECDEVICE_PLAYBACKDEVICE1:
429 case CECDEVICE_RECORDINGDEVICE1:
430 case CECDEVICE_TUNER1:
431 case CECDEVICE_TV:
432 bSendPoll = true;
433 break;
434 default:
435 break;
436 }
437
438 return bSendPoll;
439 }
440
441 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
442 {
443 cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
444 bool bNeedsPoll(false);
445
446 {
447 CLockObject lock(m_mutex);
448 status = m_deviceStatus;
449 bNeedsPoll = (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
450 (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll));
451 }
452
453 if (bNeedsPoll)
454 {
455 bool bPollAcked(false);
456 if (bNeedsPoll || NeedsPoll())
457 bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
458
459 status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
460 SetDeviceStatus(status);
461 }
462
463 return status;
464 }
465
466 //@}
467
468 /** @name Setters */
469 //@{
470 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
471 {
472 m_cecVersion = newVersion;
473 CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
474 }
475
476 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
477 {
478 CLockObject lock(m_mutex);
479 if (language.device == m_iLogicalAddress)
480 {
481 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
482 m_menuLanguage = language;
483 }
484 }
485
486 void CCECBusDevice::SetOSDName(CStdString strName)
487 {
488 CLockObject lock(m_mutex);
489 if (m_strDeviceName != strName)
490 {
491 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
492 m_strDeviceName = strName;
493 }
494 }
495
496 void CCECBusDevice::SetMenuState(const cec_menu_state state)
497 {
498 CLockObject lock(m_mutex);
499 if (m_menuState != state)
500 {
501 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
502 m_menuState = state;
503 }
504 }
505
506 void CCECBusDevice::SetInactiveSource(void)
507 {
508 {
509 CLockObject lock(m_mutex);
510 m_bActiveSource = false;
511 }
512
513 if (MyLogicalAddressContains(m_iLogicalAddress))
514 SetPowerStatus(CEC_POWER_STATUS_STANDBY);
515 }
516
517 void CCECBusDevice::SetActiveSource(void)
518 {
519 CLockObject lock(m_mutex);
520 if (!m_bActiveSource)
521 CLibCEC::AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
522
523 for (int iPtr = 0; iPtr < 16; iPtr++)
524 if (iPtr != m_iLogicalAddress)
525 m_processor->m_busDevices[iPtr]->SetInactiveSource();
526
527 m_bActiveSource = true;
528 SetPowerStatus(CEC_POWER_STATUS_ON);
529 }
530
531 bool CCECBusDevice::TryLogicalAddress(void)
532 {
533 CLibCEC::AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
534
535 m_processor->SetAckMask(0);
536 if (!TransmitPoll(m_iLogicalAddress))
537 {
538 CLibCEC::AddLog(CEC_LOG_NOTICE, "using logical address '%s'", GetLogicalAddressName());
539 SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
540
541 return true;
542 }
543
544 CLibCEC::AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
545 SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
546 return false;
547 }
548
549 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
550 {
551 CLockObject lock(m_mutex);
552 switch (newStatus)
553 {
554 case CEC_DEVICE_STATUS_UNKNOWN:
555 if (m_deviceStatus != newStatus)
556 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'unknown'", ToString(m_iLogicalAddress));
557 m_iStreamPath = 0;
558 m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
559 m_vendor = CEC_VENDOR_UNKNOWN;
560 m_menuState = CEC_MENU_STATE_ACTIVATED;
561 m_bActiveSource = false;
562 m_iLastActive = 0;
563 m_cecVersion = CEC_VERSION_UNKNOWN;
564 m_deviceStatus = newStatus;
565 break;
566 case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
567 if (m_deviceStatus != newStatus)
568 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'handled by libCEC'", ToString(m_iLogicalAddress));
569 m_iStreamPath = 0;
570 m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
571 m_vendor = CEC_VENDOR_UNKNOWN;
572 m_menuState = CEC_MENU_STATE_ACTIVATED;
573 m_bActiveSource = false;
574 m_iLastActive = 0;
575 m_cecVersion = CEC_VERSION_1_3A;
576 m_deviceStatus = newStatus;
577 break;
578 case CEC_DEVICE_STATUS_PRESENT:
579 if (m_deviceStatus != newStatus)
580 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'present'", ToString(m_iLogicalAddress));
581 m_deviceStatus = newStatus;
582 break;
583 case CEC_DEVICE_STATUS_NOT_PRESENT:
584 if (m_deviceStatus != newStatus)
585 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'not present'", ToString(m_iLogicalAddress));
586 m_deviceStatus = newStatus;
587 break;
588 }
589 }
590
591 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
592 {
593 CLockObject lock(m_mutex);
594 if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
595 {
596 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
597 m_iPhysicalAddress = iNewAddress;
598 }
599 }
600
601 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
602 {
603 CLockObject lock(m_mutex);
604 if (iNewAddress > 0)
605 {
606 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
607 m_iStreamPath = iNewAddress;
608
609 if (iNewAddress > 0)
610 {
611 lock.Unlock();
612 SetPowerStatus(CEC_POWER_STATUS_ON);
613 }
614 }
615 }
616
617 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
618 {
619 CLockObject lock(m_mutex);
620 if (m_powerStatus != powerStatus)
621 {
622 m_iLastPowerStateUpdate = GetTimeMs();
623 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
624 m_powerStatus = powerStatus;
625 }
626 }
627
628 void CCECBusDevice::MarkBusy(void)
629 {
630 CLockObject handlerLock(m_handlerMutex);
631 ++m_iHandlerUseCount;
632 }
633
634 void CCECBusDevice::MarkReady(void)
635 {
636 CLockObject handlerLock(m_handlerMutex);
637 if (m_iHandlerUseCount > 0)
638 --m_iHandlerUseCount;
639 }
640
641 bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
642 {
643 bool bInitHandler(false);
644 {
645 CTryLockObject lock(m_mutex);
646 if (!lock.IsLocked())
647 return false;
648
649 CLockObject handlerLock(m_handlerMutex);
650 if (m_iHandlerUseCount > 0)
651 return false;
652
653 MarkBusy();
654
655 if (m_vendor != m_handler->GetVendorId())
656 {
657 if (CCECCommandHandler::HasSpecificHandler(m_vendor))
658 {
659 CLibCEC::AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
660 delete m_handler;
661
662 switch (m_vendor)
663 {
664 case CEC_VENDOR_SAMSUNG:
665 m_handler = new CANCommandHandler(this);
666 break;
667 case CEC_VENDOR_LG:
668 m_handler = new CSLCommandHandler(this);
669 break;
670 case CEC_VENDOR_PANASONIC:
671 m_handler = new CVLCommandHandler(this);
672 break;
673 default:
674 m_handler = new CCECCommandHandler(this);
675 break;
676 }
677
678 m_handler->SetVendorId(m_vendor);
679 bInitHandler = true;
680 }
681 }
682 }
683
684 if (bInitHandler)
685 {
686 m_handler->InitHandler();
687
688 if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
689 m_handler->ActivateSource();
690 }
691
692 MarkReady();
693
694 return true;
695 }
696
697 bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
698 {
699 bool bVendorChanged(false);
700
701 {
702 CLockObject lock(m_mutex);
703 bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
704 m_vendor = (cec_vendor_id)iVendorId;
705 }
706
707 CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
708
709 return bVendorChanged;
710 }
711 //@}
712
713 /** @name Transmit methods */
714 //@{
715 bool CCECBusDevice::TransmitActiveSource(void)
716 {
717 bool bSendActiveSource(false);
718
719 {
720 CLockObject lock(m_mutex);
721 if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
722 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
723 else if (m_bActiveSource)
724 {
725 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
726 bSendActiveSource = true;
727 }
728 else
729 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
730 }
731
732 if (bSendActiveSource)
733 {
734 MarkBusy();
735 m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
736 MarkReady();
737 return true;
738 }
739
740 return false;
741 }
742
743 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
744 {
745 cec_version version;
746 {
747 CLockObject lock(m_mutex);
748 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
749 version = m_cecVersion;
750 }
751
752 MarkBusy();
753 bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
754 MarkReady();
755 return bReturn;
756 }
757
758 bool CCECBusDevice::TransmitImageViewOn(void)
759 {
760 {
761 CLockObject lock(m_mutex);
762 if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
763 {
764 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
765 return false;
766 }
767 }
768
769 MarkBusy();
770 m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
771 MarkReady();
772 return true;
773 }
774
775 bool CCECBusDevice::TransmitInactiveSource(void)
776 {
777 uint16_t iPhysicalAddress;
778 {
779 CLockObject lock(m_mutex);
780 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
781 iPhysicalAddress = m_iPhysicalAddress;
782 }
783
784 MarkBusy();
785 bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
786 MarkReady();
787 return bReturn;
788 }
789
790 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
791 {
792 cec_menu_state menuState;
793 {
794 CLockObject lock(m_mutex);
795 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
796 menuState = m_menuState;
797 }
798
799 MarkBusy();
800 bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
801 MarkReady();
802 return bReturn;
803 }
804
805 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
806 {
807 CStdString strDeviceName;
808 {
809 CLockObject lock(m_mutex);
810 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
811 strDeviceName = m_strDeviceName;
812 }
813
814 MarkBusy();
815 bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
816 MarkReady();
817 return bReturn;
818 }
819
820 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
821 {
822 bool bReturn(false);
823 if (!m_processor->m_busDevices[dest]->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
824 {
825 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
826 MarkBusy();
827 bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
828 MarkReady();
829 }
830 return bReturn;
831 }
832
833 bool CCECBusDevice::TransmitPhysicalAddress(void)
834 {
835 uint16_t iPhysicalAddress;
836 cec_device_type type;
837 {
838 CLockObject lock(m_mutex);
839 if (m_iPhysicalAddress == 0xffff)
840 return false;
841
842 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
843 iPhysicalAddress = m_iPhysicalAddress;
844 type = m_type;
845 }
846
847 MarkBusy();
848 bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
849 MarkReady();
850 return bReturn;
851 }
852
853 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
854 {
855 bool bReturn(false);
856 if (dest == CECDEVICE_UNKNOWN)
857 dest = m_iLogicalAddress;
858
859 CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
860 if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
861 return bReturn;
862
863 MarkBusy();
864 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
865 bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
866 CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
867
868 CLockObject lock(m_mutex);
869 if (bReturn)
870 {
871 m_iLastActive = GetTimeMs();
872 destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
873 }
874 else
875 destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
876
877 MarkReady();
878 return bReturn;
879 }
880
881 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
882 {
883 cec_power_status state;
884 {
885 CLockObject lock(m_mutex);
886 if (!IsActiveSource())
887 SetPowerStatus(CEC_POWER_STATUS_STANDBY);
888
889 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
890 state = m_powerStatus;
891 }
892
893 MarkBusy();
894 bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
895 MarkReady();
896 return bReturn;
897 }
898
899 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
900 {
901 bool bReturn(false);
902 uint64_t iVendorId;
903 {
904 CLockObject lock(m_mutex);
905 iVendorId = (uint64_t)m_vendor;
906 }
907
908 MarkBusy();
909 if (iVendorId == CEC_VENDOR_UNKNOWN)
910 {
911 if (bSendAbort)
912 {
913 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
914 m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
915 bReturn = true;
916 }
917 }
918 else
919 {
920 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
921 bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
922 }
923 MarkReady();
924 return bReturn;
925 }
926
927 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
928 {
929 MarkBusy();
930 bool bReturn = m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
931 MarkReady();
932 return bReturn;
933 }
934
935 bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
936 {
937 MarkBusy();
938 bool bReturn = m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
939 MarkReady();
940 return bReturn;
941 }
942
943 bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
944 {
945 bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
946 if (bUnsupported)
947 CLibCEC::AddLog(CEC_LOG_NOTICE, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
948 return bUnsupported;
949 }
950
951 void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
952 {
953 CLibCEC::AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
954 m_unsupportedFeatures.insert(opcode);
955 }
956
957 bool CCECBusDevice::ActivateSource(void)
958 {
959 MarkBusy();
960 bool bReturn = m_handler->ActivateSource();
961 MarkReady();
962 return bReturn;
963 }
964
965 void CCECBusDevice::HandlePoll(cec_logical_address iDestination)
966 {
967 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(m_iLogicalAddress), m_iLogicalAddress, ToString(iDestination), iDestination);
968 m_bAwaitingReceiveFailed = true;
969 }
970
971 bool CCECBusDevice::HandleReceiveFailed(void)
972 {
973 bool bReturn = m_bAwaitingReceiveFailed;
974 m_bAwaitingReceiveFailed = false;
975 return bReturn;
976 }
977
978 //@}