CECBusDevice.h

   1 #pragma once
   2 /*
   3  * This file is part of the libCEC(R) library.
   4  *
   5  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   6  * libCEC(R) is an original work, containing original code.
   7  *
   8  * libCEC(R) is a trademark of Pulse-Eight Limited.
   9  *
  10  * This program is dual-licensed; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  *
  25  * Alternatively, you can license this library under a commercial license,
  26  * please contact Pulse-Eight Licensing for more information.
  27  *
  28  * For more information contact:
  29  * Pulse-Eight Licensing       <license@pulse-eight.com>
  30  *     http://www.pulse-eight.com/
  31  *     http://www.pulse-eight.net/
  32  */
  33
  34 #include "../../../include/cectypes.h"
  35 #include <set>
  36 #include "../platform/threads/mutex.h"
  37 #include "../platform/util/StdString.h"
  38
  39 namespace CEC
  40 {
  41   class CCECClient;
  42   class CCECProcessor;
  43   class CCECCommandHandler;
  44   class CCECAudioSystem;
  45   class CCECPlaybackDevice;
  46   class CCECRecordingDevice;
  47   class CCECTuner;
  48   class CCECTV;
  49
  50   class CCECBusDevice
  51   {
  52     friend class CCECProcessor;
  53
  54   public:
  55     CCECBusDevice(CCECProcessor *processor, cec_logical_address address, uint16_t iPhysicalAddress = CEC_INVALID_PHYSICAL_ADDRESS);
  56     virtual ~CCECBusDevice(void);
  57
  58     virtual bool                  ReplaceHandler(bool bActivateSource = true);
  59     virtual CCECCommandHandler *  GetHandler(void) const        { return m_handler; };
  60     virtual CCECProcessor *       GetProcessor(void) const      { return m_processor; }
  61     virtual uint64_t              GetLastActive(void) const     { return m_iLastActive; }
  62     virtual cec_device_type       GetType(void) const           { return m_type; }
  63     virtual cec_logical_address   GetLogicalAddress(void) const { return m_iLogicalAddress; }
  64     virtual const char*           GetLogicalAddressName(void) const;
  65     virtual bool                  IsPresent(void);
  66     virtual bool                  IsHandledByLibCEC(void);
  67
  68     virtual bool                  HandleCommand(const cec_command &command);
  69     virtual bool                  IsUnsupportedFeature(cec_opcode opcode);
  70     virtual void                  SetUnsupportedFeature(cec_opcode opcode);
  71
  72     virtual bool                  TransmitKeypress(const cec_logical_address initiator, cec_user_control_code key, bool bWait = true);
  73     virtual bool                  TransmitKeyRelease(const cec_logical_address initiator, bool bWait = true);
  74
  75     virtual cec_version           GetCecVersion(const cec_logical_address initiator, bool bUpdate = false);
  76     virtual void                  SetCecVersion(const cec_version newVersion);
  77     virtual bool                  RequestCecVersion(const cec_logical_address initiator, bool bWaitForResponse = true);
  78     virtual bool                  TransmitCECVersion(const cec_logical_address destination);
  79
  80     virtual cec_menu_language &   GetMenuLanguage(const cec_logical_address initiator, bool bUpdate = false);
  81     virtual void                  SetMenuLanguage(const char *strLanguage);
  82     virtual void                  SetMenuLanguage(const cec_menu_language &menuLanguage);
  83     virtual bool                  RequestMenuLanguage(const cec_logical_address initiator, bool bWaitForResponse = true);
  84     virtual bool                  TransmitSetMenuLanguage(const cec_logical_address destination);
  85
  86     virtual bool                  TransmitOSDString(const cec_logical_address destination, cec_display_control duration, const char *strMessage);
  87
  88     virtual CStdString            GetCurrentOSDName(void);
  89     virtual CStdString            GetOSDName(const cec_logical_address initiator, bool bUpdate = false);
  90     virtual void                  SetOSDName(CStdString strName);
  91     virtual bool                  RequestOSDName(const cec_logical_address source, bool bWaitForResponse = true);
  92     virtual bool                  TransmitOSDName(const cec_logical_address destination);
  93
  94     virtual uint16_t              GetCurrentPhysicalAddress(void);
  95     virtual bool                  HasValidPhysicalAddress(void);
  96     virtual uint16_t              GetPhysicalAddress(const cec_logical_address initiator, bool bSuppressUpdate = false);
  97     virtual bool                  SetPhysicalAddress(uint16_t iNewAddress);
  98     virtual bool                  RequestPhysicalAddress(const cec_logical_address initiator, bool bWaitForResponse = true);
  99     virtual bool                  TransmitPhysicalAddress(void);
 100
 101     virtual cec_power_status      GetCurrentPowerStatus(void);
 102     virtual cec_power_status      GetPowerStatus(const cec_logical_address initiator, bool bUpdate = false);
 103     virtual void                  SetPowerStatus(const cec_power_status powerStatus);
 104     virtual bool                  RequestPowerStatus(const cec_logical_address initiator, bool bWaitForResponse = true);
 105     virtual bool                  TransmitPowerState(const cec_logical_address destination);
 106
 107     virtual cec_vendor_id         GetCurrentVendorId(void);
 108     virtual cec_vendor_id         GetVendorId(const cec_logical_address initiator, bool bUpdate = false);
 109     virtual const char *          GetVendorName(const cec_logical_address initiator, bool bUpdate = false);
 110     virtual bool                  SetVendorId(uint64_t iVendorId);
 111     virtual bool                  RequestVendorId(const cec_logical_address initiator, bool bWaitForResponse = true);
 112     virtual bool                  TransmitVendorID(const cec_logical_address destination, bool bSendAbort = true);
 113
 114     virtual cec_bus_device_status GetCurrentStatus(void) { return GetStatus(false, true); }
 115     virtual cec_bus_device_status GetStatus(bool bForcePoll = false, bool bSuppressPoll = false);
 116     virtual void                  SetDeviceStatus(const cec_bus_device_status newStatus);
 117     virtual void                  ResetDeviceStatus(void);
 118     virtual bool                  TransmitPoll(const cec_logical_address destination);
 119     virtual void                  HandlePoll(const cec_logical_address destination);
 120     virtual void                  HandlePollFrom(const cec_logical_address initiator);
 121     virtual bool                  HandleReceiveFailed(void);
 122
 123     virtual cec_menu_state        GetMenuState(const cec_logical_address initiator);
 124     virtual void                  SetMenuState(const cec_menu_state state);
 125     virtual bool                  TransmitMenuState(const cec_logical_address destination);
 126
 127     virtual bool                  ActivateSource(void);
 128     virtual bool                  IsActiveSource(void) const    { return m_bActiveSource; }
 129     virtual bool                  RequestActiveSource(bool bWaitForResponse = true);
 130     virtual void                  MarkAsActiveSource(void);
 131     virtual void                  MarkAsInactiveSource(void);
 132     virtual bool                  TransmitActiveSource(void);
 133     virtual bool                  TransmitImageViewOn(void);
 134     virtual bool                  TransmitInactiveSource(void);
 135     virtual bool                  TransmitPendingActiveSourceCommands(void);
 136     virtual void                  SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress = CEC_INVALID_PHYSICAL_ADDRESS);
 137
 138     virtual bool                  PowerOn(const cec_logical_address initiator);
 139     virtual bool                  Standby(const cec_logical_address initiator);
 140
 141     virtual bool                  TryLogicalAddress(void);
 142
 143     CCECClient *                  GetClient(void);
 144
 145            CCECAudioSystem *      AsAudioSystem(void);
 146     static CCECAudioSystem *      AsAudioSystem(CCECBusDevice *device);
 147            CCECPlaybackDevice *   AsPlaybackDevice(void);
 148     static CCECPlaybackDevice *   AsPlaybackDevice(CCECBusDevice *device);
 149            CCECRecordingDevice *  AsRecordingDevice(void);
 150     static CCECRecordingDevice *  AsRecordingDevice(CCECBusDevice *device);
 151            CCECTuner *            AsTuner(void);
 152     static CCECTuner *            AsTuner(CCECBusDevice *device);
 153            CCECTV *               AsTV(void);
 154     static CCECTV *               AsTV(CCECBusDevice *device);
 155
 156   protected:
 157     void CheckVendorIdRequested(const cec_logical_address source);
 158     void MarkBusy(void);
 159     void MarkReady(void);
 160
 161     bool NeedsPoll(void);
 162
 163     cec_device_type       m_type;
 164     CStdString            m_strDeviceName;
 165     uint16_t              m_iPhysicalAddress;
 166     uint16_t              m_iStreamPath;
 167     cec_logical_address   m_iLogicalAddress;
 168     cec_power_status      m_powerStatus;
 169     cec_menu_language     m_menuLanguage;
 170     CCECProcessor      *  m_processor;
 171     CCECCommandHandler *  m_handler;
 172     cec_vendor_id         m_vendor;
 173     bool                  m_bReplaceHandler;
 174     cec_menu_state        m_menuState;
 175     bool                  m_bActiveSource;
 176     uint64_t              m_iLastActive;
 177     uint64_t              m_iLastPowerStateUpdate;
 178     cec_version           m_cecVersion;
 179     cec_bus_device_status m_deviceStatus;
 180     std::set<cec_opcode>  m_unsupportedFeatures;
 181     PLATFORM::CMutex      m_mutex;
 182     PLATFORM::CMutex      m_handlerMutex;
 183     PLATFORM::CEvent      m_replacing;
 184     unsigned              m_iHandlerUseCount;
 185     bool                  m_bAwaitingReceiveFailed;
 186     bool                  m_bVendorIdRequested;
 187   };
 188 };