[deb_libcec.git] / src / lib / CECProcessor.cpp

/*
 * This file is part of the libCEC(R) library.
 *
 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
 * libCEC(R) is an original work, containing original code.
 *
 * libCEC(R) is a trademark of Pulse-Eight Limited.
 *
 * This program is dual-licensed; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *
 * Alternatively, you can license this library under a commercial license,
 * please contact Pulse-Eight Licensing for more information.
 *
 * For more information contact:
 * Pulse-Eight Licensing       <license@pulse-eight.com>
 *     http://www.pulse-eight.com/
 *     http://www.pulse-eight.net/
 */

#include "CECProcessor.h"

#include "AdapterCommunication.h"
#include "LibCEC.h"
#include "util/StdString.h"
#include "platform/timeutils.h"

using namespace CEC;
using namespace std;

CCECProcessor::CCECProcessor(CLibCEC *controller, CAdapterCommunication *serComm, const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS*/) :
    m_physicaladdress(iPhysicalAddress),
    m_iLogicalAddress(iLogicalAddress),
    m_strDeviceName(strDeviceName),
    m_communication(serComm),
    m_controller(controller)
{
}

CCECProcessor::~CCECProcessor(void)
{
  StopThread();
  m_communication = NULL;
  m_controller = NULL;
}

bool CCECProcessor::Start(void)
{
  if (!m_communication || !m_communication->IsOpen())
  {
    m_controller->AddLog(CEC_LOG_ERROR, "connection is closed");
    return false;
  }

  if (!SetLogicalAddress(m_iLogicalAddress))
  {
    m_controller->AddLog(CEC_LOG_ERROR, "could not set the logical address");
    return false;
  }

  if (CreateThread())
    return true;
  else
    m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");

  return false;
}

void *CCECProcessor::Process(void)
{
  m_controller->AddLog(CEC_LOG_DEBUG, "processor thread started");

  while (!IsStopped())
  {
    bool bParseFrame(false);
    cec_frame msg;
    msg.clear();

    {
      CLockObject lock(&m_mutex);
      if (m_communication->IsOpen() && m_communication->Read(msg, 50))
        bParseFrame = ParseMessage(msg) && !IsStopped();

      if (bParseFrame)
      {
        msg.clear();
        msg = m_currentframe;
      }
    }

    if (bParseFrame)
      ParseCurrentFrame(msg);

    m_controller->CheckKeypressTimeout();

    if (!IsStopped())
      Sleep(50);
  }

  return NULL;
}

bool CCECProcessor::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
{
  if (!IsRunning())
    return false;

  CStdString strLog;
  strLog.Format("<< powering on device with logical address %d", (int8_t)address);
  m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
  cec_frame frame;
  frame.clear();

  frame.push_back(GetSourceDestination(address));
  frame.push_back((uint8_t) CEC_OPCODE_IMAGE_VIEW_ON);
  return Transmit(frame);
}

bool CCECProcessor::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
{
  if (!IsRunning())
    return false;

  CStdString strLog;
  strLog.Format("<< putting device with logical address %d in standby mode", (int8_t)address);
  m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
  cec_frame frame;
  frame.clear();

  frame.push_back(GetSourceDestination(address));
  frame.push_back((uint8_t) CEC_OPCODE_STANDBY);
  return Transmit(frame);
}

bool CCECProcessor::SetActiveView(void)
{
  if (!IsRunning())
    return false;

  m_controller->AddLog(CEC_LOG_DEBUG, "<< setting active view");
  cec_frame frame;
  frame.clear();

  frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
  frame.push_back((uint8_t) CEC_OPCODE_ACTIVE_SOURCE);
  frame.push_back((m_physicaladdress >> 8) & 0xFF);
  frame.push_back(m_physicaladdress & 0xFF);
  return Transmit(frame);
}

bool CCECProcessor::SetInactiveView(void)
{
  if (!IsRunning())
    return false;

  m_controller->AddLog(CEC_LOG_DEBUG, "<< setting inactive view");
  cec_frame frame;
  frame.clear();

  frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
  frame.push_back((uint8_t) CEC_OPCODE_INACTIVE_SOURCE);
  frame.push_back((m_physicaladdress >> 8) & 0xFF);
  frame.push_back(m_physicaladdress & 0xFF);
  return Transmit(frame);
}

bool CCECProcessor::Transmit(const cec_frame &data, bool bWaitForAck /* = true */)
{
  CStdString txStr = "transmit ";
  for (unsigned int i = 0; i < data.size; i++)
    txStr.AppendFormat(" %02x", data.data[i]);
  m_controller->AddLog(CEC_LOG_DEBUG, txStr.c_str());

  if (data.size == 0)
  {
    m_controller->AddLog(CEC_LOG_WARNING, "transmit buffer is empty");
    return false;
  }

  cec_frame output;
  output.clear();

  //set ack polarity to high when transmitting to the broadcast address
  //set ack polarity low when transmitting to any other address
  output.push_back(MSGSTART);
  CAdapterCommunication::PushEscaped(output, MSGCODE_TRANSMIT_ACK_POLARITY);

  if ((data.data[0] & 0xF) == 0xF)
    CAdapterCommunication::PushEscaped(output, CEC_TRUE);
  else
    CAdapterCommunication::PushEscaped(output, CEC_FALSE);

  output.push_back(MSGEND);

  for (int8_t i = 0; i < data.size; i++)
  {
    output.push_back(MSGSTART);

    if (i == (int8_t)data.size - 1)
      CAdapterCommunication::PushEscaped(output, MSGCODE_TRANSMIT_EOM);
    else
      CAdapterCommunication::PushEscaped(output, MSGCODE_TRANSMIT);

    CAdapterCommunication::PushEscaped(output, data.data[i]);

    output.push_back(MSGEND);
  }

  return TransmitFormatted(output, bWaitForAck);
}

bool CCECProcessor::SetLogicalAddress(cec_logical_address iLogicalAddress)
{
  CStdString strLog;
  strLog.Format("<< setting logical address to %d", iLogicalAddress);
  m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());

  m_iLogicalAddress = iLogicalAddress;
  return m_communication && m_communication->SetAckMask(0x1 << (uint8_t)m_iLogicalAddress);
}

bool CCECProcessor::TransmitFormatted(const cec_frame &data, bool bWaitForAck /* = true */)
{
  CLockObject lock(&m_mutex);
  if (!m_communication || !m_communication->Write(data))
    return false;

  if (bWaitForAck && !WaitForAck())
  {
    m_controller->AddLog(CEC_LOG_DEBUG, "did not receive ACK");
    return false;
  }

  return true;
}

void CCECProcessor::TransmitAbort(cec_logical_address address, cec_opcode opcode, ECecAbortReason reason /* = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE */)
{
  m_controller->AddLog(CEC_LOG_DEBUG, "transmitting abort message");
  cec_frame frame;
  frame.clear();

  frame.push_back(GetSourceDestination(address));
  frame.push_back((uint8_t) CEC_OPCODE_FEATURE_ABORT);
  frame.push_back((uint8_t) opcode);
  frame.push_back((uint8_t) reason);
  Transmit(frame);
}

void CCECProcessor::ReportCECVersion(cec_logical_address address /* = CECDEVICE_TV */)
{
  cec_frame frame;
  frame.clear();

  m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting CEC version as 1.3a");
  frame.push_back(GetSourceDestination(address));
  frame.push_back((uint8_t) CEC_OPCODE_CEC_VERSION);
  frame.push_back((uint8_t) CEC_VERSION_1_3A);
  Transmit(frame);
}

void CCECProcessor::ReportPowerState(cec_logical_address address /*= CECDEVICE_TV */, bool bOn /* = true */)
{
  cec_frame frame;
  frame.clear();

  if (bOn)
    m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting \"On\" power status");
  else
    m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting \"Off\" power status");

  frame.push_back(GetSourceDestination(address));
  frame.push_back((uint8_t) CEC_OPCODE_REPORT_POWER_STATUS);
  frame.push_back(bOn ? (uint8_t) CEC_POWER_STATUS_ON : (uint8_t) CEC_POWER_STATUS_STANDBY);
  Transmit(frame);
}

void CCECProcessor::ReportMenuState(cec_logical_address address /* = CECDEVICE_TV */, bool bActive /* = true */)
{
  cec_frame frame;
  frame.clear();

  if (bActive)
    m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting menu state as active");
  else
    m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting menu state as inactive");

  frame.push_back(GetSourceDestination(address));
  frame.push_back((uint8_t) CEC_OPCODE_MENU_STATUS);
  frame.push_back(bActive ? (uint8_t) CEC_MENU_STATE_ACTIVATED : (uint8_t) CEC_MENU_STATE_DEACTIVATED);
  Transmit(frame);
}

void CCECProcessor::ReportVendorID(cec_logical_address address /* = CECDEVICE_TV */)
{
  m_controller->AddLog(CEC_LOG_NOTICE, "<< vendor ID requested, feature abort");
  TransmitAbort(address, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
}

void CCECProcessor::ReportOSDName(cec_logical_address address /* = CECDEVICE_TV */)
{
  cec_frame frame;
  frame.clear();

  const char *osdname = m_strDeviceName.c_str();
  CStdString strLog;
  strLog.Format("<< reporting OSD name as %s", osdname);
  m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
  frame.push_back(GetSourceDestination(address));
  frame.push_back((uint8_t) CEC_OPCODE_SET_OSD_NAME);

  for (unsigned int i = 0; i < strlen(osdname); i++)
    frame.push_back(osdname[i]);

  Transmit(frame);
}

void CCECProcessor::ReportPhysicalAddress(void)
{
  cec_frame frame;
  frame.clear();

  CStdString strLog;
  strLog.Format("<< reporting physical address as %04x", m_physicaladdress);
  m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
  frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
  frame.push_back((uint8_t) CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
  frame.push_back((uint8_t) ((m_physicaladdress >> 8) & 0xFF));
  frame.push_back((uint8_t) (m_physicaladdress & 0xFF));
  frame.push_back((uint8_t) CEC_DEVICE_TYPE_PLAYBACK_DEVICE);
  Transmit(frame);
}

void CCECProcessor::BroadcastActiveSource(void)
{
  cec_frame frame;
  frame.clear();

  m_controller->AddLog(CEC_LOG_NOTICE, "broadcasting active source");
  frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
  frame.push_back((uint8_t) CEC_OPCODE_ACTIVE_SOURCE);
  frame.push_back((uint8_t) ((m_physicaladdress >> 8) & 0xFF));
  frame.push_back((uint8_t) (m_physicaladdress & 0xFF));
  Transmit(frame);
}

uint8_t CCECProcessor::GetSourceDestination(cec_logical_address destination /* = CECDEVICE_BROADCAST */) const
{
  return ((uint8_t)m_iLogicalAddress << 4) + (uint8_t)destination;
}

bool CCECProcessor::WaitForAck(uint32_t iTimeout /* = 1000 */)
{
  bool bGotAck(false);
  bool bError(false);

  int64_t iNow = GetTimeMs();
  int64_t iTargetTime = iNow + (uint64_t) iTimeout;

  while (!bGotAck && !bError && (iTimeout == 0 || iNow < iTargetTime))
  {
    cec_frame msg;
    msg.clear();

    while (!bGotAck && !bError && m_communication->Read(msg, iTimeout))
    {
      uint8_t iCode = msg.data[0] & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK);

      switch (iCode)
      {
      case MSGCODE_COMMAND_ACCEPTED:
        m_controller->AddLog(CEC_LOG_DEBUG, "MSGCODE_COMMAND_ACCEPTED");
        break;
      case MSGCODE_TRANSMIT_SUCCEEDED:
        m_controller->AddLog(CEC_LOG_DEBUG, "MSGCODE_TRANSMIT_SUCCEEDED");
        // TODO
        bGotAck = true;
        break;
      case MSGCODE_RECEIVE_FAILED:
        m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_RECEIVE_FAILED");
        bError = true;
        break;
      case MSGCODE_COMMAND_REJECTED:
        m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_COMMAND_REJECTED");
        bError = true;
        break;
      case MSGCODE_TRANSMIT_FAILED_LINE:
        m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_LINE");
        bError = true;
        break;
      case MSGCODE_TRANSMIT_FAILED_ACK:
        m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_ACK");
        bError = true;
        break;
      case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
        m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA");
        bError = true;
        break;
      case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
        m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE");
        bError = true;
        break;
      default:
        m_frameBuffer.Push(msg);
        break;
      }
      iNow = GetTimeMs();
    }
  }

  return bGotAck && !bError;
}

bool CCECProcessor::ParseMessage(cec_frame &msg)
{
  bool bReturn(false);

  if (msg.size == 0)
    return bReturn;

  CStdString logStr;
  uint8_t iCode = msg.data[0] & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK);
  bool    bEom  = (msg.data[0] & MSGCODE_FRAME_EOM) != 0;
  bool    bAck  = (msg.data[0] & MSGCODE_FRAME_ACK) != 0;

  switch(iCode)
  {
  case MSGCODE_NOTHING:
    m_controller->AddLog(CEC_LOG_DEBUG, "MSGCODE_NOTHING");
    break;
  case MSGCODE_TIMEOUT_ERROR:
  case MSGCODE_HIGH_ERROR:
  case MSGCODE_LOW_ERROR:
    {
      if (iCode == MSGCODE_TIMEOUT_ERROR)
        logStr = "MSGCODE_TIMEOUT";
      else if (iCode == MSGCODE_HIGH_ERROR)
        logStr = "MSGCODE_HIGH_ERROR";
      else
        logStr = "MSGCODE_LOW_ERROR";

      int iLine      = (msg.size >= 3) ? (msg.data[1] << 8) | (msg.data[2]) : 0;
      uint32_t iTime = (msg.size >= 7) ? (msg.data[3] << 24) | (msg.data[4] << 16) | (msg.data[5] << 8) | (msg.data[6]) : 0;
      logStr.AppendFormat(" line:%i", iLine);
      logStr.AppendFormat(" time:%u", iTime);
      m_controller->AddLog(CEC_LOG_WARNING, logStr.c_str());
    }
    break;
  case MSGCODE_FRAME_START:
    {
      logStr = "MSGCODE_FRAME_START";
      m_currentframe.clear();
      if (msg.size >= 2)
      {
        int iInitiator = msg.data[1] >> 4;
        int iDestination = msg.data[1] & 0xF;
        logStr.AppendFormat(" initiator:%u destination:%u ack:%s %s", iInitiator, iDestination, bAck ? "high" : "low", bEom ? "eom" : "");

        m_currentframe.push_back(msg.data[1]);
      }
      m_controller->AddLog(CEC_LOG_DEBUG, logStr.c_str());
    }
    break;
  case MSGCODE_FRAME_DATA:
    {
      logStr = "MSGCODE_FRAME_DATA";
      if (msg.size >= 2)
      {
        uint8_t iData = msg.data[1];
        logStr.AppendFormat(" %02x", iData);
        m_currentframe.push_back(iData);
      }
      m_controller->AddLog(CEC_LOG_DEBUG, logStr.c_str());
    }
    if (bEom)
      bReturn = true;
    break;
  default:
    break;
  }

  return bReturn;
}

void CCECProcessor::ParseCurrentFrame(cec_frame &frame)
{
  uint8_t initiator = frame.data[0] >> 4;
  uint8_t destination = frame.data[0] & 0xF;

  CStdString dataStr;
  dataStr.Format(">> received frame: initiator: %u destination: %u", initiator, destination);

  if (frame.size > 1)
  {
    dataStr += " data:";
    for (unsigned int i = 1; i < frame.size; i++)
      dataStr.AppendFormat(" %02x", frame.data[i]);
  }
  m_controller->AddLog(CEC_LOG_DEBUG, dataStr.c_str());

  if (frame.size <= 1)
    return;

  cec_opcode opCode = (cec_opcode) frame.data[1];
  if (destination == (uint16_t) m_iLogicalAddress)
  {
    switch(opCode)
    {
    case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
      ReportPhysicalAddress();
      SetActiveView();
      break;
    case CEC_OPCODE_GIVE_OSD_NAME:
      ReportOSDName((cec_logical_address)initiator);
      break;
    case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
      ReportVendorID((cec_logical_address)initiator);
      break;
    case CEC_OPCODE_MENU_REQUEST:
      ReportMenuState((cec_logical_address)initiator);
      break;
    case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
      ReportPowerState((cec_logical_address)initiator);
      break;
    case CEC_OPCODE_GET_CEC_VERSION:
      ReportCECVersion((cec_logical_address)initiator);
      break;
    case CEC_OPCODE_USER_CONTROL_PRESSED:
      if (frame.size > 2)
      {
        m_controller->AddKey();

        if (frame.data[2] <= CEC_USER_CONTROL_CODE_MAX)
          m_controller->SetCurrentButton((cec_user_control_code) frame.data[2]);
      }
      break;
    case CEC_OPCODE_USER_CONTROL_RELEASE:
      m_controller->AddKey();
      break;
    default:
      cec_frame params = frame;
      params.shift(2);
      m_controller->AddCommand((cec_logical_address) initiator, (cec_logical_address) destination, opCode, &params);
      break;
    }
  }
  else if (destination == (uint8_t) CECDEVICE_BROADCAST)
  {
    CStdString strLog;
    if (opCode == CEC_OPCODE_REQUEST_ACTIVE_SOURCE)
    {
      strLog.Format(">> %i requests active source", initiator);
      m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
      BroadcastActiveSource();
    }
    else if (opCode == CEC_OPCODE_SET_STREAM_PATH)
    {
      if (frame.size >= 4)
      {
        int streamaddr = ((int)frame.data[2] << 8) | ((int)frame.data[3]);
        strLog.Format(">> %i requests stream path from physical address %04x", initiator, streamaddr);
        m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
        if (streamaddr == m_physicaladdress)
          BroadcastActiveSource();
      }
    }
    else
    {
      cec_frame params = frame;
      params.shift(2);
      m_controller->AddCommand((cec_logical_address) initiator, (cec_logical_address) destination, opCode, &params);
    }
  }
  else
  {
    CStdString strLog;
    strLog.Format("ignoring frame: destination: %u != %u", destination, (uint16_t)m_iLogicalAddress);
    m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
  }
}
Commit	Line	Data
	1	/*
	2	* This file is part of the libCEC(R) library.
	3	*
	4	* libCEC(R) is Copyright (C) 2011 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 "CECProcessor.h"
	34
	35	#include "AdapterCommunication.h"
	36	#include "LibCEC.h"
	37	#include "util/StdString.h"
	38	#include "platform/timeutils.h"
	39
	40	using namespace CEC;
	41	using namespace std;
	42
	43	CCECProcessor::CCECProcessor(CLibCEC controller, CAdapterCommunication serComm, const char strDeviceName, cec_logical_address iLogicalAddress / = CECDEVICE_PLAYBACKDEVICE1 /, uint16_t iPhysicalAddress / = CEC_DEFAULT_PHYSICAL_ADDRESS*/) :
	44	m_physicaladdress(iPhysicalAddress),
	45	m_iLogicalAddress(iLogicalAddress),
	46	m_strDeviceName(strDeviceName),
	47	m_communication(serComm),
	48	m_controller(controller)
	49	{
	50	}
	51
	52	CCECProcessor::~CCECProcessor(void)
	53	{
	54	StopThread();
	55	m_communication = NULL;
	56	m_controller = NULL;
	57	}
	58
	59	bool CCECProcessor::Start(void)
	60	{
	61	if (!m_communication \|\| !m_communication->IsOpen())
	62	{
	63	m_controller->AddLog(CEC_LOG_ERROR, "connection is closed");
	64	return false;
	65	}
	66
	67	if (!SetLogicalAddress(m_iLogicalAddress))
	68	{
	69	m_controller->AddLog(CEC_LOG_ERROR, "could not set the logical address");
	70	return false;
	71	}
	72
	73	if (CreateThread())
	74	return true;
	75	else
	76	m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
	77
	78	return false;
	79	}
	80
	81	void *CCECProcessor::Process(void)
	82	{
	83	m_controller->AddLog(CEC_LOG_DEBUG, "processor thread started");
	84
	85	while (!IsStopped())
	86	{
	87	bool bParseFrame(false);
	88	cec_frame msg;
	89	msg.clear();
	90
	91	{
	92	CLockObject lock(&m_mutex);
	93	if (m_communication->IsOpen() && m_communication->Read(msg, 50))
	94	bParseFrame = ParseMessage(msg) && !IsStopped();
	95
	96	if (bParseFrame)
	97	{
	98	msg.clear();
	99	msg = m_currentframe;
	100	}
	101	}
	102
	103	if (bParseFrame)
	104	ParseCurrentFrame(msg);
	105
	106	m_controller->CheckKeypressTimeout();
	107
	108	if (!IsStopped())
	109	Sleep(50);
	110	}
	111
	112	return NULL;
	113	}
	114
	115	bool CCECProcessor::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
	116	{
	117	if (!IsRunning())
	118	return false;
	119
	120	CStdString strLog;
	121	strLog.Format("<< powering on device with logical address %d", (int8_t)address);
	122	m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
	123	cec_frame frame;
	124	frame.clear();
	125
	126	frame.push_back(GetSourceDestination(address));
	127	frame.push_back((uint8_t) CEC_OPCODE_IMAGE_VIEW_ON);
	128	return Transmit(frame);
	129	}
	130
	131	bool CCECProcessor::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
	132	{
	133	if (!IsRunning())
	134	return false;
	135
	136	CStdString strLog;
	137	strLog.Format("<< putting device with logical address %d in standby mode", (int8_t)address);
	138	m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
	139	cec_frame frame;
	140	frame.clear();
	141
	142	frame.push_back(GetSourceDestination(address));
	143	frame.push_back((uint8_t) CEC_OPCODE_STANDBY);
	144	return Transmit(frame);
	145	}
	146
	147	bool CCECProcessor::SetActiveView(void)
	148	{
	149	if (!IsRunning())
	150	return false;
	151
	152	m_controller->AddLog(CEC_LOG_DEBUG, "<< setting active view");
	153	cec_frame frame;
	154	frame.clear();
	155
	156	frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
	157	frame.push_back((uint8_t) CEC_OPCODE_ACTIVE_SOURCE);
	158	frame.push_back((m_physicaladdress >> 8) & 0xFF);
	159	frame.push_back(m_physicaladdress & 0xFF);
	160	return Transmit(frame);
	161	}
	162
	163	bool CCECProcessor::SetInactiveView(void)
	164	{
	165	if (!IsRunning())
	166	return false;
	167
	168	m_controller->AddLog(CEC_LOG_DEBUG, "<< setting inactive view");
	169	cec_frame frame;
	170	frame.clear();
	171
	172	frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
	173	frame.push_back((uint8_t) CEC_OPCODE_INACTIVE_SOURCE);
	174	frame.push_back((m_physicaladdress >> 8) & 0xFF);
	175	frame.push_back(m_physicaladdress & 0xFF);
	176	return Transmit(frame);
	177	}
	178
	179	bool CCECProcessor::Transmit(const cec_frame &data, bool bWaitForAck /* = true */)
	180	{
	181	CStdString txStr = "transmit ";
	182	for (unsigned int i = 0; i < data.size; i++)
	183	txStr.AppendFormat(" %02x", data.data[i]);
	184	m_controller->AddLog(CEC_LOG_DEBUG, txStr.c_str());
	185
	186	if (data.size == 0)
	187	{
	188	m_controller->AddLog(CEC_LOG_WARNING, "transmit buffer is empty");
	189	return false;
	190	}
	191
	192	cec_frame output;
	193	output.clear();
	194
	195	//set ack polarity to high when transmitting to the broadcast address
	196	//set ack polarity low when transmitting to any other address
	197	output.push_back(MSGSTART);
	198	CAdapterCommunication::PushEscaped(output, MSGCODE_TRANSMIT_ACK_POLARITY);
	199
	200	if ((data.data[0] & 0xF) == 0xF)
	201	CAdapterCommunication::PushEscaped(output, CEC_TRUE);
	202	else
	203	CAdapterCommunication::PushEscaped(output, CEC_FALSE);
	204
	205	output.push_back(MSGEND);
	206
	207	for (int8_t i = 0; i < data.size; i++)
	208	{
	209	output.push_back(MSGSTART);
	210
	211	if (i == (int8_t)data.size - 1)
	212	CAdapterCommunication::PushEscaped(output, MSGCODE_TRANSMIT_EOM);
	213	else
	214	CAdapterCommunication::PushEscaped(output, MSGCODE_TRANSMIT);
	215
	216	CAdapterCommunication::PushEscaped(output, data.data[i]);
	217
	218	output.push_back(MSGEND);
	219	}
	220
	221	return TransmitFormatted(output, bWaitForAck);
	222	}
	223
	224	bool CCECProcessor::SetLogicalAddress(cec_logical_address iLogicalAddress)
	225	{
	226	CStdString strLog;
	227	strLog.Format("<< setting logical address to %d", iLogicalAddress);
	228	m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
	229
	230	m_iLogicalAddress = iLogicalAddress;
	231	return m_communication && m_communication->SetAckMask(0x1 << (uint8_t)m_iLogicalAddress);
	232	}
	233
	234	bool CCECProcessor::TransmitFormatted(const cec_frame &data, bool bWaitForAck /* = true */)
	235	{
	236	CLockObject lock(&m_mutex);
	237	if (!m_communication \|\| !m_communication->Write(data))
	238	return false;
	239
	240	if (bWaitForAck && !WaitForAck())
	241	{
	242	m_controller->AddLog(CEC_LOG_DEBUG, "did not receive ACK");
	243	return false;
	244	}
	245
	246	return true;
	247	}
	248
	249	void CCECProcessor::TransmitAbort(cec_logical_address address, cec_opcode opcode, ECecAbortReason reason /* = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE */)
	250	{
	251	m_controller->AddLog(CEC_LOG_DEBUG, "transmitting abort message");
	252	cec_frame frame;
	253	frame.clear();
	254
	255	frame.push_back(GetSourceDestination(address));
	256	frame.push_back((uint8_t) CEC_OPCODE_FEATURE_ABORT);
	257	frame.push_back((uint8_t) opcode);
	258	frame.push_back((uint8_t) reason);
	259	Transmit(frame);
	260	}
	261
	262	void CCECProcessor::ReportCECVersion(cec_logical_address address /* = CECDEVICE_TV */)
	263	{
	264	cec_frame frame;
	265	frame.clear();
	266
	267	m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting CEC version as 1.3a");
	268	frame.push_back(GetSourceDestination(address));
	269	frame.push_back((uint8_t) CEC_OPCODE_CEC_VERSION);
	270	frame.push_back((uint8_t) CEC_VERSION_1_3A);
	271	Transmit(frame);
	272	}
	273
	274	void CCECProcessor::ReportPowerState(cec_logical_address address /= CECDEVICE_TV /, bool bOn /* = true */)
	275	{
	276	cec_frame frame;
	277	frame.clear();
	278
	279	if (bOn)
	280	m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting \"On\" power status");
	281	else
	282	m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting \"Off\" power status");
	283
	284	frame.push_back(GetSourceDestination(address));
	285	frame.push_back((uint8_t) CEC_OPCODE_REPORT_POWER_STATUS);
	286	frame.push_back(bOn ? (uint8_t) CEC_POWER_STATUS_ON : (uint8_t) CEC_POWER_STATUS_STANDBY);
	287	Transmit(frame);
	288	}
	289
	290	void CCECProcessor::ReportMenuState(cec_logical_address address /* = CECDEVICE_TV /, bool bActive / = true */)
	291	{
	292	cec_frame frame;
	293	frame.clear();
	294
	295	if (bActive)
	296	m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting menu state as active");
	297	else
	298	m_controller->AddLog(CEC_LOG_NOTICE, "<< reporting menu state as inactive");
	299
	300	frame.push_back(GetSourceDestination(address));
	301	frame.push_back((uint8_t) CEC_OPCODE_MENU_STATUS);
	302	frame.push_back(bActive ? (uint8_t) CEC_MENU_STATE_ACTIVATED : (uint8_t) CEC_MENU_STATE_DEACTIVATED);
	303	Transmit(frame);
	304	}
	305
	306	void CCECProcessor::ReportVendorID(cec_logical_address address /* = CECDEVICE_TV */)
	307	{
	308	m_controller->AddLog(CEC_LOG_NOTICE, "<< vendor ID requested, feature abort");
	309	TransmitAbort(address, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
	310	}
	311
	312	void CCECProcessor::ReportOSDName(cec_logical_address address /* = CECDEVICE_TV */)
	313	{
	314	cec_frame frame;
	315	frame.clear();
	316
	317	const char *osdname = m_strDeviceName.c_str();
	318	CStdString strLog;
	319	strLog.Format("<< reporting OSD name as %s", osdname);
	320	m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
	321	frame.push_back(GetSourceDestination(address));
	322	frame.push_back((uint8_t) CEC_OPCODE_SET_OSD_NAME);
	323
	324	for (unsigned int i = 0; i < strlen(osdname); i++)
	325	frame.push_back(osdname[i]);
	326
	327	Transmit(frame);
	328	}
	329
	330	void CCECProcessor::ReportPhysicalAddress(void)
	331	{
	332	cec_frame frame;
	333	frame.clear();
	334
	335	CStdString strLog;
	336	strLog.Format("<< reporting physical address as %04x", m_physicaladdress);
	337	m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
	338	frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
	339	frame.push_back((uint8_t) CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
	340	frame.push_back((uint8_t) ((m_physicaladdress >> 8) & 0xFF));
	341	frame.push_back((uint8_t) (m_physicaladdress & 0xFF));
	342	frame.push_back((uint8_t) CEC_DEVICE_TYPE_PLAYBACK_DEVICE);
	343	Transmit(frame);
	344	}
	345
	346	void CCECProcessor::BroadcastActiveSource(void)
	347	{
	348	cec_frame frame;
	349	frame.clear();
	350
	351	m_controller->AddLog(CEC_LOG_NOTICE, "broadcasting active source");
	352	frame.push_back(GetSourceDestination(CECDEVICE_BROADCAST));
	353	frame.push_back((uint8_t) CEC_OPCODE_ACTIVE_SOURCE);
	354	frame.push_back((uint8_t) ((m_physicaladdress >> 8) & 0xFF));
	355	frame.push_back((uint8_t) (m_physicaladdress & 0xFF));
	356	Transmit(frame);
	357	}
	358
	359	uint8_t CCECProcessor::GetSourceDestination(cec_logical_address destination /* = CECDEVICE_BROADCAST */) const
	360	{
	361	return ((uint8_t)m_iLogicalAddress << 4) + (uint8_t)destination;
	362	}
	363
	364	bool CCECProcessor::WaitForAck(uint32_t iTimeout /* = 1000 */)
	365	{
	366	bool bGotAck(false);
	367	bool bError(false);
	368
	369	int64_t iNow = GetTimeMs();
	370	int64_t iTargetTime = iNow + (uint64_t) iTimeout;
	371
	372	while (!bGotAck && !bError && (iTimeout == 0 \|\| iNow < iTargetTime))
	373	{
	374	cec_frame msg;
	375	msg.clear();
	376
	377	while (!bGotAck && !bError && m_communication->Read(msg, iTimeout))
	378	{
	379	uint8_t iCode = msg.data[0] & ~(MSGCODE_FRAME_EOM \| MSGCODE_FRAME_ACK);
	380
	381	switch (iCode)
	382	{
	383	case MSGCODE_COMMAND_ACCEPTED:
	384	m_controller->AddLog(CEC_LOG_DEBUG, "MSGCODE_COMMAND_ACCEPTED");
	385	break;
	386	case MSGCODE_TRANSMIT_SUCCEEDED:
	387	m_controller->AddLog(CEC_LOG_DEBUG, "MSGCODE_TRANSMIT_SUCCEEDED");
	388	// TODO
	389	bGotAck = true;
	390	break;
	391	case MSGCODE_RECEIVE_FAILED:
	392	m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_RECEIVE_FAILED");
	393	bError = true;
	394	break;
	395	case MSGCODE_COMMAND_REJECTED:
	396	m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_COMMAND_REJECTED");
	397	bError = true;
	398	break;
	399	case MSGCODE_TRANSMIT_FAILED_LINE:
	400	m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_LINE");
	401	bError = true;
	402	break;
	403	case MSGCODE_TRANSMIT_FAILED_ACK:
	404	m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_ACK");
	405	bError = true;
	406	break;
	407	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
	408	m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA");
	409	bError = true;
	410	break;
	411	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
	412	m_controller->AddLog(CEC_LOG_WARNING, "MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE");
	413	bError = true;
	414	break;
	415	default:
	416	m_frameBuffer.Push(msg);
	417	break;
	418	}
	419	iNow = GetTimeMs();
	420	}
	421	}
	422
	423	return bGotAck && !bError;
	424	}
	425
	426	bool CCECProcessor::ParseMessage(cec_frame &msg)
	427	{
	428	bool bReturn(false);
	429
	430	if (msg.size == 0)
	431	return bReturn;
	432
	433	CStdString logStr;
	434	uint8_t iCode = msg.data[0] & ~(MSGCODE_FRAME_EOM \| MSGCODE_FRAME_ACK);
	435	bool bEom = (msg.data[0] & MSGCODE_FRAME_EOM) != 0;
	436	bool bAck = (msg.data[0] & MSGCODE_FRAME_ACK) != 0;
	437
	438	switch(iCode)
	439	{
	440	case MSGCODE_NOTHING:
	441	m_controller->AddLog(CEC_LOG_DEBUG, "MSGCODE_NOTHING");
	442	break;
	443	case MSGCODE_TIMEOUT_ERROR:
	444	case MSGCODE_HIGH_ERROR:
	445	case MSGCODE_LOW_ERROR:
	446	{
	447	if (iCode == MSGCODE_TIMEOUT_ERROR)
	448	logStr = "MSGCODE_TIMEOUT";
	449	else if (iCode == MSGCODE_HIGH_ERROR)
	450	logStr = "MSGCODE_HIGH_ERROR";
	451	else
	452	logStr = "MSGCODE_LOW_ERROR";
	453
	454	int iLine = (msg.size >= 3) ? (msg.data[1] << 8) \| (msg.data[2]) : 0;
	455	uint32_t iTime = (msg.size >= 7) ? (msg.data[3] << 24) \| (msg.data[4] << 16) \| (msg.data[5] << 8) \| (msg.data[6]) : 0;
	456	logStr.AppendFormat(" line:%i", iLine);
	457	logStr.AppendFormat(" time:%u", iTime);
	458	m_controller->AddLog(CEC_LOG_WARNING, logStr.c_str());
	459	}
	460	break;
	461	case MSGCODE_FRAME_START:
	462	{
	463	logStr = "MSGCODE_FRAME_START";
	464	m_currentframe.clear();
	465	if (msg.size >= 2)
	466	{
	467	int iInitiator = msg.data[1] >> 4;
	468	int iDestination = msg.data[1] & 0xF;
	469	logStr.AppendFormat(" initiator:%u destination:%u ack:%s %s", iInitiator, iDestination, bAck ? "high" : "low", bEom ? "eom" : "");
	470
	471	m_currentframe.push_back(msg.data[1]);
	472	}
	473	m_controller->AddLog(CEC_LOG_DEBUG, logStr.c_str());
	474	}
	475	break;
	476	case MSGCODE_FRAME_DATA:
	477	{
	478	logStr = "MSGCODE_FRAME_DATA";
	479	if (msg.size >= 2)
	480	{
	481	uint8_t iData = msg.data[1];
	482	logStr.AppendFormat(" %02x", iData);
	483	m_currentframe.push_back(iData);
	484	}
	485	m_controller->AddLog(CEC_LOG_DEBUG, logStr.c_str());
	486	}
	487	if (bEom)
	488	bReturn = true;
	489	break;
	490	default:
	491	break;
	492	}
	493
	494	return bReturn;
	495	}
	496
	497	void CCECProcessor::ParseCurrentFrame(cec_frame &frame)
	498	{
	499	uint8_t initiator = frame.data[0] >> 4;
	500	uint8_t destination = frame.data[0] & 0xF;
	501
	502	CStdString dataStr;
	503	dataStr.Format(">> received frame: initiator: %u destination: %u", initiator, destination);
	504
	505	if (frame.size > 1)
	506	{
	507	dataStr += " data:";
	508	for (unsigned int i = 1; i < frame.size; i++)
	509	dataStr.AppendFormat(" %02x", frame.data[i]);
	510	}
	511	m_controller->AddLog(CEC_LOG_DEBUG, dataStr.c_str());
	512
	513	if (frame.size <= 1)
	514	return;
	515
	516	cec_opcode opCode = (cec_opcode) frame.data[1];
	517	if (destination == (uint16_t) m_iLogicalAddress)
	518	{
	519	switch(opCode)
	520	{
	521	case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS:
	522	ReportPhysicalAddress();
	523	SetActiveView();
	524	break;
	525	case CEC_OPCODE_GIVE_OSD_NAME:
	526	ReportOSDName((cec_logical_address)initiator);
	527	break;
	528	case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
	529	ReportVendorID((cec_logical_address)initiator);
	530	break;
	531	case CEC_OPCODE_MENU_REQUEST:
	532	ReportMenuState((cec_logical_address)initiator);
	533	break;
	534	case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS:
	535	ReportPowerState((cec_logical_address)initiator);
	536	break;
	537	case CEC_OPCODE_GET_CEC_VERSION:
	538	ReportCECVersion((cec_logical_address)initiator);
	539	break;
	540	case CEC_OPCODE_USER_CONTROL_PRESSED:
	541	if (frame.size > 2)
	542	{
	543	m_controller->AddKey();
	544
	545	if (frame.data[2] <= CEC_USER_CONTROL_CODE_MAX)
	546	m_controller->SetCurrentButton((cec_user_control_code) frame.data[2]);
	547	}
	548	break;
	549	case CEC_OPCODE_USER_CONTROL_RELEASE:
	550	m_controller->AddKey();
	551	break;
	552	default:
	553	cec_frame params = frame;
	554	params.shift(2);
	555	m_controller->AddCommand((cec_logical_address) initiator, (cec_logical_address) destination, opCode, &params);
	556	break;
	557	}
	558	}
	559	else if (destination == (uint8_t) CECDEVICE_BROADCAST)
	560	{
	561	CStdString strLog;
	562	if (opCode == CEC_OPCODE_REQUEST_ACTIVE_SOURCE)
	563	{
	564	strLog.Format(">> %i requests active source", initiator);
	565	m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
	566	BroadcastActiveSource();
	567	}
	568	else if (opCode == CEC_OPCODE_SET_STREAM_PATH)
	569	{
	570	if (frame.size >= 4)
	571	{
	572	int streamaddr = ((int)frame.data[2] << 8) \| ((int)frame.data[3]);
	573	strLog.Format(">> %i requests stream path from physical address %04x", initiator, streamaddr);
	574	m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
	575	if (streamaddr == m_physicaladdress)
	576	BroadcastActiveSource();
	577	}
	578	}
	579	else
	580	{
	581	cec_frame params = frame;
	582	params.shift(2);
	583	m_controller->AddCommand((cec_logical_address) initiator, (cec_logical_address) destination, opCode, &params);
	584	}
	585	}
	586	else
	587	{
	588	CStdString strLog;
	589	strLog.Format("ignoring frame: destination: %u != %u", destination, (uint16_t)m_iLogicalAddress);
	590	m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
	591	}
	592	}