decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (ERROR_CON_IDC) ERROR_CON_DISABLE);  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0);  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_EQ (rv, 0);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1);  iIdx++;   //Frame 1: P, EC_IDC=DISABLE, loss = 1  EncodeOneFrame (1);  iIdx++;   //Frame 2: P, EC_IDC=DISABLE, loss = 0  EncodeOneFrame (1);  encToDecData (info, len);  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //no output  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_TRUE (rv != 0); //construction error due to data loss  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //no output due to EC DISABLE  iIdx++;   //set EC=SLICE_COPY  uiEcIdc = (uint32_t) (ERROR_CON_SLICE_COPY);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 3: P, EC_IDC=SLICE_COPY, loss = 0  EncodeOneFrame (1);  encToDecData (info, len);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_SLICE_COPY);  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //no output  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_TRUE (rv != 0); //construction error due to data loss  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1);  iIdx++;   //set EC=DISABLE  uiEcIdc = (uint32_t) (ERROR_CON_DISABLE);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 4: P, EC_IDC=DISABLE, loss = 0  EncodeOneFrame (1);  encToDecData (info, len);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //no output  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  //Ref picture is ECed, so current status is ECed, when EC disable, NO output  EXPECT_TRUE (rv & 32);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0);  iIdx++;   //Frame 5: P, EC_IDC=DISABLE, loss = 1  EncodeOneFrame (1);  iIdx++;   //set EC=FRAME_COPY  uiEcIdc = (uint32_t) (ERROR_CON_FRAME_COPY);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 6: P, EC_IDC=FRAME_COPY, loss = 1  EncodeOneFrame (1);  EXPECT_EQ (uiGet, uiEcIdc);  iIdx++;   //Frame 7: P, EC_IDC=FRAME_COPY, loss = 0  EncodeOneFrame (1);  encToDecData (info, len);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_FRAME_COPY);  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_TRUE (rv == 0); // Now the parse process is Error_None, and the reconstruction will has error return  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //no output  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_TRUE (rv != 0); //not sure if previous data drop would be detected in construction  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1);  iIdx++; } //This case contain 2 slices per picture for IDR loss//coding order:                 0   1   2   3   4//frame type                    IDR P   P   P   P//EC_IDC                        2   2   0   1   0//loss (2 slice: 1,2):          2   0   0   1   0 TEST_F (EncodeDecodeTestAPI, SetOptionECIDC_SpecificSliceChange_IDRLoss) {  uint32_t uiEcIdc;  uint32_t uiGet;  EncodeDecodeFileParamBase p = kFileParamArray[0];  prepareParam (1, 2,  p.width, p.height, p.frameRate);  param_.iSpatialLayerNum = 1;  encoder_->Uninitialize();  int rv = encoder_->InitializeExt (&param_);  ASSERT_TRUE (rv == cmResultSuccess);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_SLICE_COPY); //default value should be ERROR_CON_SLICE_COPY  int32_t iTraceLevel = WELS_LOG_QUIET;  encoder_->SetOption (ENCODER_OPTION_TRACE_LEVEL, &iTraceLevel);  decoder_->SetOption (DECODER_OPTION_TRACE_LEVEL, &iTraceLevel);   //Start for enc/dec  int iIdx = 0;  int len = 0;  unsigned char* pData[3] = { NULL };  int iTotalSliceSize = 0;   InitialEncDec (p.width, p.height);   //Frame 0: IDR, EC_IDC=2, loss = 2  EncodeOneFrame (1);  iTotalSliceSize = 0;  encToDecSliceData (0, 0, info, len); //SPS  iTotalSliceSize = len;  encToDecSliceData (0, 1, info, len); //PPS  iTotalSliceSize += len;  encToDecSliceData (1, 0, info, len); //first slice  iTotalSliceSize += len;  //second slice loss  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_SLICE_COPY);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, iTotalSliceSize, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_EQ (rv, 0); // Reconstruct first slice OK  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //slice incomplete, no output  iIdx++;   //Frame 1: P, EC_IDC=2, loss = 0  //will clean SPS/PPS status  EncodeOneFrame (1);  encToDecData (info, len); //all slice together  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_SLICE_COPY);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_TRUE (rv & 32); //parse correct, but reconstruct ECed  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1); //ECed output for frame 0  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //ECed status, reconstruction current frame 1  EXPECT_TRUE (rv & 32); //decoder ECed status  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1); //ECed output for frame 1  iIdx++;   //set EC=DISABLE  uiEcIdc = (uint32_t) (ERROR_CON_DISABLE);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 2: P, EC_IDC=0, loss = 0  /////will clean SPS/PPS status  EncodeOneFrame (1);  encToDecData (info, len); //all slice together  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  // Ref picture is ECed, so reconstructed picture is ECed  EXPECT_TRUE (rv & 32);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0);  iIdx++;   //set EC=SLICE_COPY  uiEcIdc = (uint32_t) (ERROR_CON_FRAME_COPY);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 3: P, EC_IDC=2, loss = 1  EncodeOneFrame (1);  encToDecSliceData (0, 0, info, iTotalSliceSize); //slice 1 lost  encToDecSliceData (0, 1, info, len); //slice 2  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_FRAME_COPY);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf + iTotalSliceSize, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0);  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_TRUE (rv & 32);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //slice loss  iIdx++;   //set EC=DISABLE  uiEcIdc = (uint32_t) (ERROR_CON_DISABLE);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 4: P, EC_IDC=0, loss = 0  EncodeOneFrame (1);  encToDecData (info, len); //all slice  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_TRUE (rv != 0);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); // EC_IDC=0, previous picture slice lost, no output  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_TRUE (rv != 0);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); // No ref picture, no output  iIdx++; }   //This case contain 2 slices per picture for no IDR loss//coding order:                 0   1   2   3   4   5//frame type                    IDR P   P   P   P   IDR//EC_IDC                        0   2   0   2   0   ^2^//loss (2 slice: 1,2):          0   0   1   2   0   0 TEST_F (EncodeDecodeTestAPI, SetOptionECIDC_SpecificSliceChange_IDRNoLoss) {  uint32_t uiEcIdc;  uint32_t uiGet;  EncodeDecodeFileParamBase p = kFileParamArray[0];  prepareParam (1, 2,  p.width, p.height, p.frameRate);  param_.iSpatialLayerNum = 1;  encoder_->Uninitialize();  int rv = encoder_->InitializeExt (&param_);  ASSERT_TRUE (rv == cmResultSuccess);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_SLICE_COPY); //default value should be ERROR_CON_SLICE_COPY  int32_t iTraceLevel = WELS_LOG_QUIET;  encoder_->SetOption (ENCODER_OPTION_TRACE_LEVEL, &iTraceLevel);  decoder_->SetOption (DECODER_OPTION_TRACE_LEVEL, &iTraceLevel);   //Start for enc/dec  int iIdx = 0;  int len = 0;  unsigned char* pData[3] = { NULL };  int iTotalSliceSize = 0;   InitialEncDec (p.width, p.height);   //set EC=DISABLE  uiEcIdc = (uint32_t) (ERROR_CON_DISABLE);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 0: IDR, EC_IDC=0, loss = 0  //Expected result: all OK, 2nd Output  EncodeOneFrame (1);  encToDecData (info, len); //all slice  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1); //output frame 0  iIdx++;   //Frame 1: P, EC_IDC=0, loss = 0  //Expected result: all OK, 2nd Output  EncodeOneFrame (1);  encToDecData (info, len); //all slice together  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //ECed output for frame 0  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction current frame 1  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1); //ECed output for frame 1  iIdx++;   //Frame 2: P, EC_IDC=0, loss = 1  //Expected result: all OK, no Output  EncodeOneFrame (1);  encToDecSliceData (0, 0, info, iTotalSliceSize); // slice 1 lost  encToDecSliceData (0, 1, info, len); // slice 2 only  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf + iTotalSliceSize, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0);  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_EQ (rv, 0); //parse correct  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0);  iIdx++;   //set EC=SLICE_COPY  uiEcIdc = (uint32_t) (ERROR_CON_SLICE_COPY);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 3: P, EC_IDC=2, loss = 2  //Expected result: neither OK, 1st Output  EncodeOneFrame (1);  encToDecSliceData (0, 0, info, len); //slice 1 only  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_SLICE_COPY);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_TRUE (rv & 32); //parse OK but frame 2 ECed  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1); //slice loss but ECed output Frame 2  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction  EXPECT_TRUE (rv & 32);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //slice loss  iIdx++;   //set EC=DISABLE  uiEcIdc = (uint32_t) (ERROR_CON_DISABLE);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  //Frame 4: P, EC_IDC=0, loss = 0  //Expected result: depends on DecodeFrame2 result. If OK, output; else ,no output  EncodeOneFrame (1);  encToDecData (info, len); //all slice  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, (uint32_t) ERROR_CON_DISABLE);  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);  EXPECT_TRUE (rv != 0); //previous slice not outputted, will return error due to incomplete frame  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //output previous pic  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction,  // previous frame NOT output, no ref  EXPECT_TRUE (rv != 0);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //output previous pic  iIdx++;   //Frame 5: IDR, EC_IDC=2->0, loss = 0  //Expected result: depends on DecodeFrame2 result. If OK, output; else ,no output  int32_t iIDRPeriod = 1;  encoder_->SetOption (ENCODER_OPTION_IDR_INTERVAL, &iIDRPeriod);  EncodeOneFrame (1);  EXPECT_TRUE (info.eFrameType == videoFrameTypeIDR);  encToDecSliceData (0, 0, info, len); //SPS  iTotalSliceSize = len;  encToDecSliceData (0, 1, info, len); //PPS  iTotalSliceSize += len;  encToDecSliceData (1, 0, info, len); //slice 1  iTotalSliceSize += len;  //set EC=SLICE_COPY for slice 1  uiEcIdc = (uint32_t) (ERROR_CON_SLICE_COPY);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, iTotalSliceSize, pData, &dstBufInfo_);  EXPECT_TRUE (rv == 0); // IDR status return error_free  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //frame incomplete  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction,  EXPECT_TRUE (rv == 0);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //output previous pic  //set EC=DISABLE for slice 2  encToDecSliceData (1, 1, info, len); //slice 1  uiEcIdc = (int) (ERROR_CON_DISABLE);  decoder_->SetOption (DECODER_OPTION_ERROR_CON_IDC, &uiEcIdc);  decoder_->GetOption (DECODER_OPTION_ERROR_CON_IDC, &uiGet);  EXPECT_EQ (uiGet, uiEcIdc);  pData[0] = pData[1] = pData[2] = 0;  memset (&dstBufInfo_, 0, sizeof (SBufferInfo));  rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf + iTotalSliceSize, len, pData, &dstBufInfo_);  EXPECT_EQ (rv, 0); //Parse correct under no EC  EXPECT_EQ (dstBufInfo_.iBufferStatus, 0); //frame incomplete  rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction,  EXPECT_EQ (rv, 0);  EXPECT_EQ (dstBufInfo_.iBufferStatus, 1); //output previous pic  iIdx++; } static const EncodeDecodeFileParamBase kSVCSwitch[] = {  {300, 160, 96, 6.0f, 2, 1, "120012130101012311201221323"},}; TEST_F (EncodeDecodeTestAPI, Engine_SVC_Switch_I) {  SLTRMarkingFeedback m_LTR_Marking_Feedback;  SLTRRecoverRequest m_LTR_Recover_Request;  m_LTR_Recover_Request.uiIDRPicId = 0;  EncodeDecodeFileParamBase p = kSVCSwitch[0];  p.width = p.width << 2;  p.height = p.height << 2;  prepareParam (4, p.slicenum, p.width, p.height, p.frameRate);  param_.iTemporalLayerNum = (rand() % 4) + 1;  param_.iSpatialLayerNum = 4;  encoder_->Uninitialize();  int rv = encoder_->InitializeExt (&param_);  ASSERT_TRUE (rv == cmResultSuccess);  m_LTR_Recover_Request.uiFeedbackType = NO_RECOVERY_REQUSET;   InitialEncDec (p.width, p.height);  int32_t iTraceLevel = WELS_LOG_QUIET;  encoder_->SetOption (ENCODER_OPTION_TRACE_LEVEL, &iTraceLevel);  decoder_->SetOption (DECODER_OPTION_TRACE_LEVEL, &iTraceLevel);  int32_t iSpsPpsIdAddition = 1;  encoder_->SetOption (ENCODER_OPTION_ENABLE_SPS_PPS_ID_ADDITION, &iSpsPpsIdAddition);  int32_t iIDRPeriod = pow (2.0f, (param_.iTemporalLayerNum - 1)) * ((rand() % 5) + 1);  encoder_->SetOption (ENCODER_OPTION_IDR_INTERVAL, &iIDRPeriod);  SLTRConfig sLtrConfigVal;  sLtrConfigVal.bEnableLongTermReference = 1;  sLtrConfigVal.iLTRRefNum = 1;  encoder_->SetOption (ENCODER_OPTION_LTR, &sLtrConfigVal);  int32_t iLtrPeriod = 2;  encoder_->SetOption (ENCODER_LTR_MARKING_PERIOD, &iLtrPeriod);  int iIdx = 0;  int iTarDid = 0;  while (iIdx <= p.numframes) {    EncodeOneFrame (1);    if (m_LTR_Recover_Request.uiFeedbackType == IDR_RECOVERY_REQUEST) {      ASSERT_TRUE (info.eFrameType == videoFrameTypeIDR);    }    if (info.eFrameType == videoFrameTypeIDR) {      iTarDid = rand() % 4;    }    //decoding after each encoding frame    int len = 0;    encToDecData (info, len);    unsigned char* pData[3] = { NULL };    memset (&dstBufInfo_, 0, sizeof (SBufferInfo));     ExtractDidNal (&info, len, &m_SLostSim, iTarDid);    rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, len, pData, &dstBufInfo_);    ASSERT_EQ (rv, 0);    int iTid = -1;    decoder_->GetOption (DECODER_OPTION_TEMPORAL_ID, &iTid);    ASSERT_EQ (iTid, -1);    m_LTR_Recover_Request.uiFeedbackType = NO_RECOVERY_REQUSET;    LTRRecoveryRequest (decoder_, encoder_, &m_LTR_Recover_Request, rv, true);    rv = decoder_->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_); //reconstruction    ASSERT_EQ (rv, 0);    decoder_->GetOption (DECODER_OPTION_TEMPORAL_ID, &iTid);    ASSERT_EQ (iTid, info.sLayerInfo[0].uiTemporalId);    LTRRecoveryRequest (decoder_, encoder_, &m_LTR_Recover_Request, rv, true);    LTRMarkFeedback (decoder_, encoder_, &m_LTR_Marking_Feedback, rv);    iIdx++;  }} TEST_F (EncodeDecodeTestAPI, Engine_SVC_Switch_P) {  SLTRMarkingFeedback m_LTR_Marking_Feedback;  SLTRRecoverRequest m_LTR_Recover_Request;  m_LTR_Recover_Request.uiIDRPicId = 0;  EncodeDecodeFileParamBase p = kSVCSwitch[0];  int iTarDid = 0;  int iLastDid = 0;  p.width = p.width << 2;  p.height = p.height << 2;  prepareParam (4, p.slicenum, p.width, p.height, p.frameRate);  param_.iTemporalLayerNum = (rand() % 4) + 1;  param_.iSpatialLayerNum = 4;  encoder_->Uninitialize();  int rv = encoder_->InitializeExt (&param_);  ASSERT_TRUE (rv == cmResultSuccess);  m_LTR_Recover_Request.uiFeedbackType = NO_RECOVERY_REQUSET;   InitialEncDec (p.width, p.height);  int32_t iTraceLevel = WELS_LOG_QUIET;  encoder_->SetOption (ENCODER_OPTION_TRACE_LEVEL, &iTraceLevel);  decoder_->SetOption (DECODER_OPTION_TRACE_LEVEL, &iTraceLevel);  int32_t iSpsPpsIdAddition = 1;  encoder_->SetOption (ENCODER_OPTION_ENABLE_SPS_PPS_ID_ADDITION, &iSpsPpsIdAddition);  int32_t iIDRPeriod = 60;  encoder_->SetOption (ENCODER_OPTION_IDR_INTERVAL, &iIDRPeriod);  SLTRConfig sLtrConfigVal;  sLtrConfigVal.bEnableLongTermReference = 1;  sLtrConfigVal.iLTRRefNum = 1;  encoder_->SetOption (ENCODER_OPTION_LTR, &sLtrConfigVal);  int32_t iLtrPeriod = 2;

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