omx/mm-video/qdsp6/venc/test/common/src/venctest_SignalQueue.cpp

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/*========================================================================
  Include Files
 ==========================================================================*/
#include "venctest_Debug.h"
#include "venctest_Mutex.h"
#include "venctest_Queue.h"
#include "venctest_Signal.h"
#include "venctest_SignalQueue.h"

namespace venctest
{

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////
  SignalQueue::SignalQueue()
  {
    VENC_TEST_MSG_ERROR("default constructor should not be here (private)");
  }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////
  SignalQueue::SignalQueue(OMX_S32 nMaxQueueSize,
      OMX_S32 nMaxDataSize)
    :  m_pSignal(new Signal()),
    m_pMutex(new Mutex()),
    m_pQueue(new Queue(nMaxQueueSize, nMaxDataSize))
  {
    VENC_TEST_MSG_LOW("constructor %ld %ld", nMaxQueueSize, nMaxDataSize);
  }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////
  SignalQueue::~SignalQueue()
  {
    VENC_TEST_MSG_LOW("destructor");
    if (m_pMutex != NULL)
      delete m_pMutex;
    if (m_pSignal != NULL)
      delete m_pSignal;
  }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////
  OMX_ERRORTYPE SignalQueue::Pop(OMX_PTR pData,
      OMX_S32 nDataSize,
      OMX_S32 nTimeoutMillis)
  {
    VENC_TEST_MSG_LOW("Pop");
    OMX_ERRORTYPE result = OMX_ErrorNone;

    // wait for signal or for data to come into queue
    while (GetSize() == 0 && result == OMX_ErrorNone)
    {
      result = m_pSignal->Wait(nTimeoutMillis);
    }

    // did we timeout?
    if (result == OMX_ErrorNone)
    {
      // lock mutex
      m_pMutex->Lock();

      result = m_pQueue->Pop(pData, nDataSize);

      // unlock mutex
      m_pMutex->UnLock();
    }
    else if (result != OMX_ErrorTimeout)
    {
      VENC_TEST_MSG_ERROR("Error waiting for signal");
      result = OMX_ErrorUndefined;
    }

    return result;
  }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////
  OMX_ERRORTYPE SignalQueue::Push(OMX_PTR pData,
      OMX_S32 nDataSize)
  {
    VENC_TEST_MSG_LOW("Push");
    OMX_ERRORTYPE result = OMX_ErrorNone;

    // lock mutex
    m_pMutex->Lock();

    result = m_pQueue->Push(pData, nDataSize);

    // unlock mutex
    m_pMutex->UnLock();


    if (result == OMX_ErrorNone)
    {
      m_pSignal->Set();
    }

    return result;
  }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////
  OMX_ERRORTYPE SignalQueue::Peek(OMX_PTR pData,
      OMX_S32 nDataSize)
  {
    VENC_TEST_MSG_LOW("Peek");
    OMX_ERRORTYPE result = OMX_ErrorNone;

    // lock mutex
    m_pMutex->Lock();

    result = m_pQueue->Peek(pData, nDataSize);

    // unlock mutex
    m_pMutex->UnLock();

    return result;
  }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////
  OMX_S32 SignalQueue::GetSize()
  {
    return m_pQueue->GetSize();
  }

} // namespace venctest