ref: c1f66ea21ba869a4dcf901ad6edfbbaa8cca2618
dir: /test/api/encode_decode_api_test.cpp/
#include <gtest/gtest.h>
#include "codec_def.h"
#include "utils/BufferedData.h"
#include "utils/FileInputStream.h"
#include "BaseDecoderTest.h"
#include "BaseEncoderTest.h"
#include "wels_common_defs.h"
#include <string>
#include <vector>
#include "encode_decode_api_test.h"
using namespace WelsCommon;
void EncodeDecodeTestBase::prepareParam (int iLayers, int iSlices, int width, int height, float framerate, SEncParamExt* pParam) {
pParam->iUsageType = CAMERA_VIDEO_REAL_TIME;
pParam->iPicWidth = width;
pParam->iPicHeight = height;
pParam->fMaxFrameRate = framerate;
pParam->iRCMode = RC_OFF_MODE; //rc off
pParam->iMultipleThreadIdc = 1; //single thread
pParam->iSpatialLayerNum = iLayers;
pParam->iNumRefFrame = AUTO_REF_PIC_COUNT;
for (int i = 0; i < iLayers; i++) {
pParam->sSpatialLayers[i].iVideoWidth = width >> (iLayers - i - 1);
pParam->sSpatialLayers[i].iVideoHeight = height >> (iLayers - i - 1);
pParam->sSpatialLayers[i].fFrameRate = framerate;
pParam->sSpatialLayers[i].sSliceArgument.uiSliceMode = SM_FIXEDSLCNUM_SLICE;
pParam->sSpatialLayers[i].sSliceArgument.uiSliceNum = iSlices;
}
}
void EncodeDecodeTestBase::prepareEncDecParam (const EncodeDecodeFileParamBase EncDecFileParam) {
//for encoder
//I420: 1(Y) + 1/4(U) + 1/4(V)
int frameSize = EncDecFileParam.width * EncDecFileParam.height * 3 / 2;
buf_.SetLength (frameSize);
ASSERT_TRUE (buf_.Length() == (size_t)frameSize);
memset (&EncPic, 0, sizeof (SSourcePicture));
EncPic.iPicWidth = EncDecFileParam.width;
EncPic.iPicHeight = EncDecFileParam.height;
EncPic.iColorFormat = videoFormatI420;
EncPic.iStride[0] = EncPic.iPicWidth;
EncPic.iStride[1] = EncPic.iStride[2] = EncPic.iPicWidth >> 1;
EncPic.pData[0] = buf_.data();
EncPic.pData[1] = EncPic.pData[0] + EncDecFileParam.width * EncDecFileParam.height;
EncPic.pData[2] = EncPic.pData[1] + (EncDecFileParam.width * EncDecFileParam.height >> 2);
//for decoder
memset (&info, 0, sizeof (SFrameBSInfo));
//set a fixed random value
iRandValue = rand() % 256;
}
void EncodeDecodeTestBase::encToDecData (const SFrameBSInfo& info, int& len) {
len = 0;
for (int i = 0; i < info.iLayerNum; ++i) {
const SLayerBSInfo& layerInfo = info.sLayerInfo[i];
for (int j = 0; j < layerInfo.iNalCount; ++j) {
len += layerInfo.pNalLengthInByte[j];
}
}
}
void EncodeDecodeTestBase::encToDecSliceData (const int iLayerNum, const int iSliceNum, const SFrameBSInfo& info, int& len) {
ASSERT_TRUE (iLayerNum < MAX_LAYER_NUM_OF_FRAME);
len = 0;
const SLayerBSInfo& layerInfo = info.sLayerInfo[iLayerNum];
if (iSliceNum < layerInfo.iNalCount)
len = layerInfo.pNalLengthInByte[iSliceNum];
}
void EncodeDecodeTestAPIBase::prepareParam0 (int iLayers, int iSlices, int width, int height, float framerate, SEncParamExt* pParam) {
memset (pParam, 0, sizeof (SEncParamExt));
EncodeDecodeTestBase::prepareParam (iLayers, iSlices, width, height, framerate, pParam);
}
void EncodeDecodeTestAPIBase::prepareParamDefault (int iLayers, int iSlices, int width, int height, float framerate, SEncParamExt* pParam) {
memset (pParam, 0, sizeof (SEncParamExt));
encoder_->GetDefaultParams (pParam);
EncodeDecodeTestBase::prepareParam (iLayers, iSlices, width, height, framerate, pParam);
}
void EncodeDecodeTestAPIBase::EncodeOneFrame (int iCheckTypeIndex) {
int frameSize = EncPic.iPicWidth * EncPic.iPicHeight * 3 / 2;
memset (buf_.data(), iRandValue, (frameSize >> 2));
memset (buf_.data() + (frameSize >> 2), rand() % 256, (frameSize - (frameSize >> 2)));
int rv = encoder_->EncodeFrame (&EncPic, &info);
if (0 == iCheckTypeIndex)
ASSERT_TRUE (rv == cmResultSuccess);
else if (1 == iCheckTypeIndex)
ASSERT_TRUE (rv == cmResultSuccess || rv == cmUnknownReason);
}
void EncodeDecodeTestAPIBase::EncDecOneFrame (const int iWidth, const int iHeight, const int iFrame, FILE* pfEnc) {
int iLen = 0, rv;
InitialEncDec (iWidth, iHeight);
EncodeOneFrame (iFrame);
//extract target layer data
encToDecData (info, iLen);
//call decoder
unsigned char* pData[3] = { NULL };
memset (&dstBufInfo_, 0, sizeof (SBufferInfo));
rv = decoder_->DecodeFrame2 (info.sLayerInfo[0].pBsBuf, iLen, pData, &dstBufInfo_);
EXPECT_TRUE (rv == cmResultSuccess) << " rv = " << rv << " iFrameIdx = " << iFrame;
if (NULL != pfEnc) {
fwrite (info.sLayerInfo[0].pBsBuf, iLen, 1, pfEnc);
}
}
void EncodeDecodeTestAPIBase::TestOneSimulcastAVC (SEncParamExt* pParam, ISVCDecoder** decoder, unsigned char** pBsBuf, int iSpatialLayerNum,
int iEncFrameNum,
int iSaveFileIdx) {
int aLen[MAX_SPATIAL_LAYER_NUM] = {0, 0, 0, 0};
FILE* fEnc[MAX_SPATIAL_LAYER_NUM];
if (iSaveFileIdx == 1) {
fEnc[0] = fopen ("enc00.264", "wb");
fEnc[1] = fopen ("enc01.264", "wb");
fEnc[2] = fopen ("enc02.264", "wb");
fEnc[3] = fopen ("enc03.264", "wb");
} else if (iSaveFileIdx > 1) {
fEnc[0] = fopen ("enc10.264", "wb");
fEnc[1] = fopen ("enc11.264", "wb");
fEnc[2] = fopen ("enc12.264", "wb");
fEnc[3] = fopen ("enc13.264", "wb");
}
int rv = encoder_->SetOption (ENCODER_OPTION_SVC_ENCODE_PARAM_EXT, pParam);
ASSERT_TRUE (rv == cmResultSuccess) << "SetOption Failed pParam: rv = " << rv;
int iIdx;
//begin testing
for (int iFrame = 0; iFrame < iEncFrameNum; iFrame++) {
int iResult;
int iLayerLen = 0;
unsigned char* pData[3] = { NULL };
InitialEncDec (pParam->iPicWidth, pParam->iPicHeight);
EncodeOneFrame (0);
// init
for (iIdx = 0; iIdx < iSpatialLayerNum; iIdx++) {
aLen[iIdx] = 0;
}
for (int iLayer = 0; iLayer < info.iLayerNum; ++iLayer) {
iLayerLen = 0;
const SLayerBSInfo& layerInfo = info.sLayerInfo[iLayer];
for (int iNal = 0; iNal < layerInfo.iNalCount; ++iNal) {
iLayerLen += layerInfo.pNalLengthInByte[iNal];
}
iIdx = layerInfo.uiSpatialId;
EXPECT_TRUE (iIdx < iSpatialLayerNum) << "iIdx = " << iIdx << ", iSpatialLayerNum = " << iSpatialLayerNum;
memcpy ((pBsBuf[iIdx] + aLen[iIdx]), layerInfo.pBsBuf, iLayerLen * sizeof (unsigned char));
aLen[iIdx] += iLayerLen;
}
for (iIdx = 0; iIdx < iSpatialLayerNum; iIdx++) {
pData[0] = pData[1] = pData[2] = 0;
memset (&dstBufInfo_, 0, sizeof (SBufferInfo));
if (iSaveFileIdx > 0) {
fwrite (pBsBuf[iIdx], aLen[iIdx], 1, fEnc[iIdx]);
}
iResult = decoder[iIdx]->DecodeFrame2 (pBsBuf[iIdx], aLen[iIdx], pData, &dstBufInfo_);
EXPECT_TRUE (iResult == cmResultSuccess) << "iResult=" << iResult << ", LayerIdx=" << iIdx;
iResult = decoder[iIdx]->DecodeFrame2 (NULL, 0, pData, &dstBufInfo_);
EXPECT_TRUE (iResult == cmResultSuccess) << "iResult=" << iResult << ", LayerIdx=" << iIdx;
EXPECT_EQ (dstBufInfo_.iBufferStatus, 1) << "LayerIdx=" << iIdx;
}
}
if (iSaveFileIdx > 0) {
fclose (fEnc[0]);
fclose (fEnc[1]);
fclose (fEnc[2]);
fclose (fEnc[3]);
}
}
long IsKeyFrameLost (ISVCDecoder* pDecoder, SLTRRecoverRequest* p_LTR_Recover_Request, long hr) {
long bLost = NO_RECOVERY_REQUSET;
int tempInt = -1;
int temple_id = -1;
bool m_P2PmodeFlag = true;
pDecoder->GetOption (DECODER_OPTION_TEMPORAL_ID, &temple_id);
if (hr == dsErrorFree) {
if (m_P2PmodeFlag && temple_id == 0) {
pDecoder->GetOption (DECODER_OPTION_IDR_PIC_ID, &tempInt);
// idr_pic_id change ,reset last correct position
if (p_LTR_Recover_Request->uiIDRPicId != (unsigned int) tempInt) {
p_LTR_Recover_Request->uiIDRPicId = tempInt;
p_LTR_Recover_Request->iLastCorrectFrameNum = -1;
}
pDecoder->GetOption (DECODER_OPTION_FRAME_NUM, &tempInt);
if (tempInt >= 0) {
p_LTR_Recover_Request->iLastCorrectFrameNum = tempInt;
}
}
bLost = NO_RECOVERY_REQUSET;
} else if (hr & dsNoParamSets) {
bLost = IDR_RECOVERY_REQUEST;
} else if (((hr & dsRefLost) && (1 == temple_id)) || ((dsErrorFree != hr) && (0 == temple_id))) {
bLost = LTR_RECOVERY_REQUEST;
} else {
bLost = NO_RECOVERY_REQUSET;
}
return bLost;
}
bool IsLTRMarking (ISVCDecoder* pDecoder) {
int bLTR_marking_flag = 0;
pDecoder->GetOption (DECODER_OPTION_LTR_MARKING_FLAG, &bLTR_marking_flag);
return (bLTR_marking_flag) ? (true) : (false);
}
void LTRRecoveryRequest (ISVCDecoder* pDecoder, ISVCEncoder* pEncoder, SLTRRecoverRequest* p_LTR_Recover_Request,
long hr, bool m_P2PmodeFlag) {
long bKLost = IsKeyFrameLost (pDecoder, p_LTR_Recover_Request, hr);
if (m_P2PmodeFlag) {
if (bKLost == IDR_RECOVERY_REQUEST) {
pEncoder->ForceIntraFrame (true);
} else if (bKLost == LTR_RECOVERY_REQUEST) {
p_LTR_Recover_Request->uiFeedbackType = LTR_RECOVERY_REQUEST;
pDecoder->GetOption (DECODER_OPTION_FRAME_NUM, &p_LTR_Recover_Request->iCurrentFrameNum);
pDecoder->GetOption (DECODER_OPTION_IDR_PIC_ID, &p_LTR_Recover_Request->uiIDRPicId);
pEncoder->SetOption (ENCODER_LTR_RECOVERY_REQUEST, p_LTR_Recover_Request);
}
} else {
if (bKLost == IDR_RECOVERY_REQUEST || bKLost == LTR_RECOVERY_REQUEST) {
p_LTR_Recover_Request->uiFeedbackType = IDR_RECOVERY_REQUEST;
pEncoder->ForceIntraFrame (true);
}
}
}
void LTRMarkFeedback (ISVCDecoder* pDecoder, ISVCEncoder* pEncoder, SLTRMarkingFeedback* p_LTR_Marking_Feedback,
long hr) {
if (IsLTRMarking (pDecoder) == true) {
p_LTR_Marking_Feedback->uiFeedbackType = (hr == dsErrorFree) ? (LTR_MARKING_SUCCESS) : (LTR_MARKING_FAILED);
pDecoder->GetOption (DECODER_OPTION_IDR_PIC_ID, &p_LTR_Marking_Feedback->uiIDRPicId);
pDecoder->GetOption (DECODER_OPTION_LTR_MARKED_FRAME_NUM, &p_LTR_Marking_Feedback->iLTRFrameNum);
pEncoder->SetOption (ENCODER_LTR_MARKING_FEEDBACK, p_LTR_Marking_Feedback);
}
}
bool ToRemainDidNal (const unsigned char* pSrc, EWelsNalUnitType eNalType, int iTarDid) {
uint8_t uiCurByte = *pSrc;
if (IS_NEW_INTRODUCED_SVC_NAL (eNalType)) {
int iDid = (uiCurByte & 0x70) >> 4;
return iDid == iTarDid;
} else if ((IS_VCL_NAL_AVC_BASE (eNalType)) && iTarDid != 0) {
return false;
} else {
return true;
}
}
void ExtractDidNal (SFrameBSInfo* pBsInfo, int& iSrcLen, std::vector<SLostSim>* p_SLostSim, int iTarDid) {
unsigned char* pDst = new unsigned char[iSrcLen];
const unsigned char* pSrc = pBsInfo->sLayerInfo[0].pBsBuf;
int iDstLen = 0;
bool bLost;
SLostSim tmpSLostSim;
p_SLostSim->clear();
int iPrefix;
unsigned char* pSrcPtr = pBsInfo->sLayerInfo[0].pBsBuf;
for (int j = 0; j < pBsInfo->iLayerNum; j++) {
for (int k = 0; k < pBsInfo->sLayerInfo[j].iNalCount; k++) {
if (pSrcPtr[0] == 0 && pSrcPtr[1] == 0 && pSrcPtr[2] == 0 && pSrcPtr[3] == 1) {
iPrefix = 4;
} else if (pSrcPtr[0] == 0 && pSrcPtr[1] == 0 && pSrcPtr[2] == 1) {
iPrefix = 3;
} else {
iPrefix = 0;
}
tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrcPtr + iPrefix)) & 0x1f); // eNalUnitType
bLost = (ToRemainDidNal ((pSrcPtr + iPrefix + 2), tmpSLostSim.eNalType, iTarDid)) ? false : true;
tmpSLostSim.isLost = bLost;
p_SLostSim->push_back (tmpSLostSim);
if (!bLost) {
memcpy (pDst + iDstLen, pSrcPtr, pBsInfo->sLayerInfo[j].pNalLengthInByte[k]);
iDstLen += (pBsInfo->sLayerInfo[j].pNalLengthInByte[k]);
}
pSrcPtr += pBsInfo->sLayerInfo[j].pNalLengthInByte[k];
}
}
memset ((void*)pSrc, 0, iSrcLen);
memcpy ((void*)pSrc, pDst, iDstLen);
iSrcLen = iDstLen;
delete [] pDst;
}
int SimulateNALLoss (const unsigned char* pSrc, int& iSrcLen, std::vector<SLostSim>* p_SLostSim,
const char* pLossChars, bool bLossPara, int& iLossIdx, bool& bVCLLoss) {
unsigned char* pDst = new unsigned char[iSrcLen];
int iLossCharLen = (int) strlen (pLossChars);
int iSkipedBytes = 0;
int iDstLen = 0;
int iBufPos = 0;
int ilastprefixlen = 0;
int i = 0;
bool bLost;
bVCLLoss = false;
SLostSim tmpSLostSim;
p_SLostSim->clear();
for (i = 0; i < iSrcLen;) {
if (pSrc[i] == 0 && pSrc[i + 1] == 0 && pSrc[i + 2] == 0 && pSrc[i + 3] == 1) {
if (i - iBufPos) {
tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f); // eNalUnitType
bLost = iLossIdx < iLossCharLen ? (pLossChars[iLossIdx] == '1') : (rand() % 2 == 1);
bLost = (!bLossPara) && (IS_PARAM_SETS_NALS (tmpSLostSim.eNalType)) ? false : bLost;
iLossIdx++;
tmpSLostSim.isLost = bLost;
p_SLostSim->push_back (tmpSLostSim);
if (!bLost) {
memcpy (pDst + iDstLen, pSrc + iBufPos, i - iBufPos);
iDstLen += (i - iBufPos);
} else {
bVCLLoss = (IS_VCL_NAL (tmpSLostSim.eNalType, 1)) ? true : bVCLLoss;
iSkipedBytes += (i - iBufPos);
}
}
ilastprefixlen = 4;
iBufPos = i;
i = i + 4;
} else if (pSrc[i] == 0 && pSrc[i + 1] == 0 && pSrc[i + 2] == 1) {
if (i - iBufPos) {
tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f); // eNalUnitType
bLost = iLossIdx < iLossCharLen ? (pLossChars[iLossIdx] == '1') : (rand() % 2 == 1);
bLost = (!bLossPara) && (IS_PARAM_SETS_NALS (tmpSLostSim.eNalType)) ? false : bLost;
iLossIdx++;
tmpSLostSim.isLost = bLost;
p_SLostSim->push_back (tmpSLostSim);
if (!bLost) {
memcpy (pDst + iDstLen, pSrc + iBufPos, i - iBufPos);
iDstLen += (i - iBufPos);
} else {
bVCLLoss = (IS_VCL_NAL (tmpSLostSim.eNalType, 1)) ? true : bVCLLoss;
iSkipedBytes += (i - iBufPos);
}
}
ilastprefixlen = 3;
iBufPos = i;
i = i + 3;
} else {
i++;
}
}
if (i - iBufPos) {
tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f); // eNalUnitType
bLost = iLossIdx < iLossCharLen ? (pLossChars[iLossIdx] == '1') : (rand() % 2 == 1);
bLost = (!bLossPara) && (IS_PARAM_SETS_NALS (tmpSLostSim.eNalType)) ? false : bLost;
iLossIdx++;
tmpSLostSim.isLost = bLost;
p_SLostSim->push_back (tmpSLostSim);
if (!bLost) {
memcpy (pDst + iDstLen, pSrc + iBufPos, i - iBufPos);
iDstLen += (i - iBufPos);
} else {
bVCLLoss = (IS_VCL_NAL (tmpSLostSim.eNalType, 1)) ? true : bVCLLoss;
iSkipedBytes += (i - iBufPos);
}
}
memset ((void*)pSrc, 0, iSrcLen);
memcpy ((void*)pSrc, pDst, iDstLen);
iSrcLen = iDstLen;
delete [] pDst;
return iSkipedBytes;
}