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add rc function

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ruil2 2015-01-15 11:14:05 +08:00
parent 993caea18c
commit 5b5cc8434e
5 changed files with 228 additions and 96 deletions
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2
codec/encoder/core/inc/rc.h
View File

@ -250,7 +250,7 @@ int32_t iActualBitRate; // TODO: to complete later
float fLatestFrameRate; // TODO: to complete later
} SWelsSvcRc;
typedef void (*PWelsRCPictureInitFunc) (sWelsEncCtx* pCtx);
typedef void (*PWelsRCPictureInitFunc) (sWelsEncCtx* pCtx,long long uiTimeStamp);
typedef void (*PWelsRCPictureDelayJudgeFunc) (sWelsEncCtx* pCtx, EVideoFrameType eFrameType, long long uiTimeStamp);
typedef void (*PWelsRCPictureInfoUpdateFunc) (sWelsEncCtx* pCtx, int32_t iLayerSize);
typedef void (*PWelsRCMBInfoUpdateFunc) (sWelsEncCtx* pCtx, SMB* pCurMb, int32_t iCostLuma, SSlice* pSlice);

8
codec/encoder/core/src/encoder_ext.cpp
View File

@ -3150,7 +3150,6 @@ int32_t WelsEncoderEncodeExt (sWelsEncCtx* pCtx, SFrameBSInfo* pFbi, const SSour
pFbi->uiTimeStamp = pSrcPic->uiTimeStamp;
// perform csc/denoise/downsample/padding, generate spatial layers
iSpatialNum = pCtx->pVpp->BuildSpatialPicList (pCtx, pSrcPic);
if (pCtx->pFuncList->pfRc.pfWelsUpdateMaxBrWindowStatus) {
pCtx->pFuncList->pfRc.pfWelsUpdateMaxBrWindowStatus (pCtx, iSpatialNum, pSrcPic->uiTimeStamp);
}
@ -3319,15 +3318,16 @@ int32_t WelsEncoderEncodeExt (sWelsEncCtx* pCtx, SFrameBSInfo* pFbi, const SSour
#ifdef LONG_TERM_REF_DUMP
DumpRef (pCtx);
#endif
if ((pSvcParam->iRCMode != RC_OFF_MODE))
if (pSvcParam->iRCMode != RC_OFF_MODE)
pCtx->pVpp->AnalyzePictureComplexity (pCtx, pCtx->pEncPic, ((pCtx->eSliceType == P_SLICE)
&& (pCtx->iNumRef0 > 0)) ? pCtx->pRefList0[0] : NULL,
iCurDid, (pCtx->eSliceType == P_SLICE) && (pSvcParam->bEnableBackgroundDetection));
iCurDid, (pCtx->eSliceType == P_SLICE) && pSvcParam->bEnableBackgroundDetection);
WelsUpdateRefSyntax (pCtx, pCtx->iPOC,
eFrameType); //get reordering syntax used for writing slice header and transmit to encoder.
PrefetchReferencePicture (pCtx, eFrameType); // update reference picture for current pDq layer
pCtx->pFuncList->pfRc.pfWelsRcPictureInit (pCtx);
pCtx->pFuncList->pfRc.pfWelsRcPictureInit (pCtx, pSrcPic->uiTimeStamp);
PreprocessSliceCoding (pCtx); // MUST be called after pfWelsRcPictureInit() and WelsInitCurrentLayer()
//TODO Complexity Calculation here for screen content

274
codec/encoder/core/src/ratectl.cpp
View File

@ -390,7 +390,8 @@ void RcInitIdrQp (sWelsEncCtx* pEncCtx) {
SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
if (pDLayerParamInternal->fOutputFrameRate > EPSN && pDLayerParam->iVideoWidth && pDLayerParam->iVideoHeight)
dBpp = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParamInternal->fOutputFrameRate * pDLayerParam->iVideoWidth *
dBpp = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParamInternal->fOutputFrameRate *
pDLayerParam->iVideoWidth *
pDLayerParam->iVideoHeight);
else
dBpp = 0.1;
@ -672,7 +673,8 @@ void RcCalculateGomQp (sWelsEncCtx* pEncCtx, SMB* pCurMb, int32_t iSliceId) {
pSOverRc->iCalculatedQpSlice = WELS_CLIP3 (pSOverRc->iCalculatedQpSlice,
pEncCtx->iGlobalQp - pWelsSvcRc->iQpRangeLowerInFrame, pEncCtx->iGlobalQp + pWelsSvcRc->iQpRangeUpperInFrame);
if (! ((pEncCtx->pSvcParam->iRCMode == RC_BITRATE_MODE) && (pEncCtx->pSvcParam->bEnableFrameSkip == false)))
if (! (((pEncCtx->pSvcParam->iRCMode == RC_BITRATE_MODE) || (pEncCtx->pSvcParam->iRCMode == RC_TIMESTAMP_MODE))
&& (pEncCtx->pSvcParam->bEnableFrameSkip == false)))
pSOverRc->iCalculatedQpSlice = WELS_CLIP3 (pSOverRc->iCalculatedQpSlice, pWelsSvcRc->iMinQp, pWelsSvcRc->iMaxQp);
pSOverRc->iGomBitsSlice = 0;
@ -705,12 +707,12 @@ void RcVBufferCalculationSkip (sWelsEncCtx* pEncCtx) {
pEncCtx->iSkipFrameFlag = 1;
}
}
void WelsRcFrameDelayJudge (sWelsEncCtx* pEncCtx, EVideoFrameType eFrameType, long long uiTimeStamp) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
if (!pEncCtx->pSvcParam->bEnableFrameSkip)
return;
const int32_t iSentBits = WELS_ROUND (pDLayerParam->iSpatialBitrate / pDLayerParamInternal->fOutputFrameRate);
const int32_t kiOutputMaxBits = WELS_DIV_ROUND (pWelsSvcRc->iMaxBitsPerFrame, INT_MULTIPLY);
@ -772,22 +774,22 @@ bool CheckFrameSkipBasedMaxbr (sWelsEncCtx* pEncCtx, int32_t iSpatialNum, EVideo
const uint32_t uiTimeStamp) {
SSpatialPicIndex* pSpatialIndexMap = &pEncCtx->sSpatialIndexMap[0];
bool bSkipMustFlag = false;
if (pEncCtx->pSvcParam->bEnableFrameSkip) {
if ((RC_QUALITY_MODE == pEncCtx->pSvcParam->iRCMode) || (RC_BITRATE_MODE == pEncCtx->pSvcParam->iRCMode)|| (RC_TIMESTAMP_MODE == pEncCtx->pSvcParam->iRCMode)) {
if (!pEncCtx->pFuncList->pfRc.pfWelsRcPicDelayJudge)
return false;
for (int32_t i = 0; i < iSpatialNum; i++) {
if (UNSPECIFIED_BIT_RATE == pEncCtx->pSvcParam->sSpatialLayers[i].iMaxSpatialBitrate) {
break;
}
pEncCtx->uiDependencyId = (uint8_t) (pSpatialIndexMap + i)->iDid;
pEncCtx->pFuncList->pfRc.pfWelsRcPicDelayJudge (pEncCtx, eFrameType, uiTimeStamp);
if (true == pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId].bSkipFlag) {
bSkipMustFlag = true;
pEncCtx->iContinualSkipFrames++;
break;
}
}
}
}
return bSkipMustFlag;
}
@ -815,7 +817,6 @@ void UpdateBufferWhenFrameSkipped (sWelsEncCtx* pEncCtx, int32_t iSpatialNum) {
}
pEncCtx->iContinualSkipFrames++;
}
void UpdateMaxBrCheckWindowStatus (sWelsEncCtx* pEncCtx, int32_t iSpatialNum, const long long uiTimeStamp) {
SSpatialPicIndex* pSpatialIndexMap = &pEncCtx->sSpatialIndexMap[0];
if (pEncCtx->bCheckWindowStatusRefreshFlag) {
@ -885,10 +886,9 @@ void RcTraceFrameBits (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
pWelsSvcRc->iPredFrameBit = pWelsSvcRc->iFrameDqBits;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
"[Rc] Frame timestamp = %lld, Frame type =%d, dependency ID = %d, encoding_qp =%d, average qp = %3d, max qp = %3d, min qp = %3d, index = %8d,\
"[Rc] Frame timestamp = %lld, Frame type =%d, encoding_qp = %d, average qp = %3d, max qp = %3d, min qp = %3d, index = %8d,\
iTid = %1d, used = %8d, bitsperframe = %8d, target = %8d, remaingbits = %8d, skipbuffersize = %8d",
uiTimeStamp, pEncCtx->eSliceType, pEncCtx->uiDependencyId, pEncCtx->iGlobalQp, pWelsSvcRc->iAverageFrameQp,
pWelsSvcRc->iMaxFrameQp,
uiTimeStamp, pEncCtx->eSliceType, pEncCtx->iGlobalQp, pWelsSvcRc->iAverageFrameQp, pWelsSvcRc->iMaxFrameQp,
pWelsSvcRc->iMinFrameQp,
pEncCtx->iFrameIndex, pEncCtx->uiTemporalId, pWelsSvcRc->iFrameDqBits, WELS_DIV_ROUND (pWelsSvcRc->iBitsPerFrame,
INT_MULTIPLY),
@ -933,6 +933,8 @@ void RcUpdateIntraComplexity (sWelsEncCtx* pEncCtx) {
pWelsSvcRc->iIdrNum++;
if (pWelsSvcRc->iIdrNum > 255)
pWelsSvcRc->iIdrNum = 255;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_INFO, "RcUpdateIntraComplexity iFrameDqBits = %d,iQStep= %d,iIntraCmplx = %d",
pWelsSvcRc->iFrameDqBits, pWelsSvcRc->iQStep, pWelsSvcRc->iIntraComplexity);
}
void RcUpdateFrameComplexity (sWelsEncCtx* pEncCtx) {
@ -956,6 +958,9 @@ void RcUpdateFrameComplexity (sWelsEncCtx* pEncCtx) {
pTOverRc->iPFrameNum++;
if (pTOverRc->iPFrameNum > 255)
pTOverRc->iPFrameNum = 255;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
"RcUpdateFrameComplexity iFrameDqBits = %d,iQStep= %d,pTOverRc->iLinearCmplx = %lld", pWelsSvcRc->iFrameDqBits,
pWelsSvcRc->iQStep, pTOverRc->iLinearCmplx);
}
int32_t RcCalculateCascadingQp (struct TagWelsEncCtx* pEncCtx, int32_t iQp) {
@ -971,7 +976,7 @@ int32_t RcCalculateCascadingQp (struct TagWelsEncCtx* pEncCtx, int32_t iQp) {
return iTemporalQp;
}
void WelsRcPictureInitGom (sWelsEncCtx* pEncCtx) {
void WelsRcPictureInitGom (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
if (pEncCtx->eSliceType == I_SLICE) {
@ -1001,8 +1006,6 @@ void WelsRcPictureInitGom (sWelsEncCtx* pEncCtx) {
}
void WelsRcPictureInfoUpdateGom (sWelsEncCtx* pEncCtx, int32_t iLayerSize) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
int32_t iCodedBits = (iLayerSize << 3);
@ -1074,7 +1077,7 @@ void WelsRcMbInfoUpdateGom (sWelsEncCtx* pEncCtx, SMB* pCurMb, int32_t iCostLuma
}
}
void WelsRcPictureInitDisable (sWelsEncCtx* pEncCtx) {
void WelsRcPictureInitDisable (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
const int32_t kiQp = pDLayerParam->iDLayerQp;
@ -1114,7 +1117,7 @@ void WelsRcMbInitDisable (sWelsEncCtx* pEncCtx, SMB* pCurMb, SSlice* pSlice) {
void WelsRcMbInfoUpdateDisable (sWelsEncCtx* pEncCtx, SMB* pCurMb, int32_t iCostLuma, SSlice* pSlice) {
}
void WelRcPictureInitBufferBasedQp (sWelsEncCtx* pEncCtx) {
void WelRcPictureInitBufferBasedQp (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
SVAAFrameInfo* pVaa = static_cast<SVAAFrameInfo*> (pEncCtx->pVaa);
int32_t iMinQp = MIN_SCREEN_QP;
@ -1130,18 +1133,7 @@ void WelRcPictureInitBufferBasedQp (sWelsEncCtx* pEncCtx) {
pEncCtx->iGlobalQp += 2;
pEncCtx->iGlobalQp = WELS_CLIP3 (pEncCtx->iGlobalQp, iMinQp, MAX_SCREEN_QP);
}
void InitRcModuleScc (sWelsEncCtx* pEncCtx) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
pWelsSvcRc->iBaseQp = 30;
pWelsSvcRc->iBufferFullnessSkip = 0;
pWelsSvcRc->uiLastTimeStamp = 0;
pWelsSvcRc->iCost2BitsIntra = INT_MULTIPLY;
pWelsSvcRc->iAvgCost2Bits = INT_MULTIPLY;
}
void WelRcPictureInitScc (sWelsEncCtx* pEncCtx) {
void WelRcPictureInitScc (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
SVAAFrameInfoExt* pVaa = static_cast<SVAAFrameInfoExt*> (pEncCtx->pVaa);
SSpatialLayerConfig* pDLayerConfig = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
@ -1199,40 +1191,9 @@ void WelRcPictureInitScc (sWelsEncCtx* pEncCtx) {
}
pWelsSvcRc->iAverageFrameQp = pEncCtx->iGlobalQp;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG, "WelRcPictureInitScc iLumaQp = %d\n", pEncCtx->iGlobalQp);
}
void WelsRcFrameDelayJudgeScc (sWelsEncCtx* pEncCtx, EVideoFrameType eFrameType, long long uiTimeStamp) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[0];
SSpatialLayerConfig* pDLayerConfig = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
if (pDLayerConfig->iSpatialBitrate > pDLayerConfig->iMaxSpatialBitrate)
pDLayerConfig->iSpatialBitrate = pDLayerConfig->iMaxSpatialBitrate;
int32_t iBitRate = pDLayerConfig->iSpatialBitrate;
int32_t iEncTimeInv = (pWelsSvcRc->uiLastTimeStamp == 0) ? 0 : (int32_t) (uiTimeStamp - pWelsSvcRc->uiLastTimeStamp);
int32_t iSentBits = (int32_t) ((double)iBitRate * iEncTimeInv * (1.0E-3) + 0.5);
iSentBits = WELS_MAX (iSentBits, 0);
const int32_t iVbufferThRatio = (eFrameType == videoFrameTypeI
|| eFrameType == videoFrameTypeIDR) ? VIRTUAL_BUFFER_HIGH_TH : VIRTUAL_BUFFER_LOW_TH;
const int32_t iVbufferTh = WELS_DIV_ROUND ((((int64_t)iBitRate) * iVbufferThRatio), INT_MULTIPLY);
pWelsSvcRc->iBufferFullnessSkip -= iSentBits;
pWelsSvcRc->iBufferFullnessSkip = WELS_MAX (0, pWelsSvcRc->iBufferFullnessSkip);
pWelsSvcRc->bSkipFlag = true;
if (pWelsSvcRc->iBufferFullnessSkip < iVbufferTh) {
pWelsSvcRc->bSkipFlag = false;
}
if (pWelsSvcRc->bSkipFlag) {
pWelsSvcRc->iSkipFrameNum++;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_INFO,
"SCC iSkipFrameNum = %d,buffer = %d,threadhold = %d,bitrate = %d,timestamp=%lld\n", pWelsSvcRc->iSkipFrameNum,
pWelsSvcRc->iBufferFullnessSkip, iVbufferTh, iBitRate, uiTimeStamp);
}
pWelsSvcRc->uiLastTimeStamp = uiTimeStamp;
}
}
void WelsRcDropFrameUpdate (sWelsEncCtx* pEncCtx, uint32_t iDropSize) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[0];
@ -1243,7 +1204,7 @@ void WelsRcDropFrameUpdate (sWelsEncCtx* pEncCtx, uint32_t iDropSize) {
}
void WelsRcPictureInfoUpdateScc (sWelsEncCtx* pEncCtx, int32_t iNalSize) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[0];
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
int32_t iFrameBits = (iNalSize << 3);
pWelsSvcRc->iBufferFullnessSkip += iFrameBits;
@ -1266,9 +1227,178 @@ void WelsRcMbInitScc (sWelsEncCtx* pEncCtx, SMB* pCurMb, SSlice* pSlice) {
pCurMb->uiChromaQp = g_kuiChromaQpTable[WELS_CLIP3 (pCurMb->uiLumaQp + pEncCtx->pPps->uiChromaQpIndexOffset, 0, 51)];
}
void InitRcModuleTimeStamp (sWelsEncCtx* pEncCtx) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
pWelsSvcRc->iBaseQp = 30;
pWelsSvcRc->iBufferFullnessSkip = 0;
pWelsSvcRc->uiLastTimeStamp = 0;
pWelsSvcRc->iCost2BitsIntra = INT_MULTIPLY;
pWelsSvcRc->iAvgCost2Bits = INT_MULTIPLY;
pWelsSvcRc->iSkipBufferRatio = SKIP_RATIO;
}
void WelsRcFrameDelayJudgeTimeStamp (sWelsEncCtx* pEncCtx, EVideoFrameType eFrameType, long long uiTimeStamp) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
SSpatialLayerConfig* pDLayerConfig = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
if (pDLayerConfig->iSpatialBitrate > pDLayerConfig->iMaxSpatialBitrate)
pDLayerConfig->iSpatialBitrate = pDLayerConfig->iMaxSpatialBitrate;
int32_t iBitRate = pDLayerConfig->iSpatialBitrate;
int32_t iEncTimeInv = (pWelsSvcRc->uiLastTimeStamp == 0) ? 0 : (int32_t) (uiTimeStamp - pWelsSvcRc->uiLastTimeStamp);
int32_t iSentBits = (int32_t) ((double)iBitRate * iEncTimeInv * (1.0E-3) + 0.5);
iSentBits = WELS_MAX (iSentBits, 0);
//When bitrate is changed, pBuffer size should be updated
pWelsSvcRc->iBufferSizeSkip = WELS_DIV_ROUND (pDLayerConfig->iSpatialBitrate * pWelsSvcRc->iSkipBufferRatio,
INT_MULTIPLY);
pWelsSvcRc->iBufferSizePadding = WELS_DIV_ROUND (pDLayerConfig->iSpatialBitrate * PADDING_BUFFER_RATIO, INT_MULTIPLY);
pWelsSvcRc->iBufferFullnessSkip -= iSentBits;
pWelsSvcRc->iBufferFullnessSkip = WELS_MAX (0, pWelsSvcRc->iBufferFullnessSkip);
if (pEncCtx->pSvcParam->bEnableFrameSkip) {
pWelsSvcRc->bSkipFlag = true;
if (pWelsSvcRc->iBufferFullnessSkip < pWelsSvcRc->iBufferSizeSkip) {
pWelsSvcRc->bSkipFlag = false;
}
if (pWelsSvcRc->bSkipFlag) {
pWelsSvcRc->iSkipFrameNum++;
pWelsSvcRc->uiLastTimeStamp = uiTimeStamp;
}
}
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
"WelsRcFrameDelayJudgeTimeStamp iSkipFrameNum = %d,buffer = %d,threadhold = %d,bitrate = %d,iSentBits = %d,lasttimestamp = %lld,timestamp=%lld\n",
pWelsSvcRc->iSkipFrameNum, pWelsSvcRc->iBufferFullnessSkip, pWelsSvcRc->iBufferSizeSkip, iBitRate, iSentBits,
pWelsSvcRc->uiLastTimeStamp, uiTimeStamp);
}
void WelsRcPictureInitGomTimeStamp (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
int32_t iLumaQp = pWelsSvcRc->iLastCalculatedQScale;
//decide one frame bits allocated
if (pEncCtx->eSliceType == I_SLICE) {
if (0 == pWelsSvcRc->iIdrNum) { //iIdrNum == 0 means encoder has been initialed
RcInitRefreshParameter (pEncCtx);
double dBpp = 0.05;
if ((pDLayerParam->fFrameRate > EPSN) && (pDLayerParam->iVideoWidth && pDLayerParam->iVideoHeight))
dBpp = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParam->fFrameRate * pDLayerParam->iVideoWidth *
pDLayerParam->iVideoHeight);
pWelsSvcRc->iInitialQp = 50 - dBpp * 10 * 4;
pWelsSvcRc->iInitialQp = WELS_CLIP3 (pWelsSvcRc->iInitialQp, MIN_IDR_QP, MAX_IDR_QP);
iLumaQp = pWelsSvcRc->iInitialQp;
pWelsSvcRc->iTargetBits = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParam->fFrameRate) *
IDR_BITRATE_RATIO;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
"[Rc] First IDR iSpatialBitrate = %d,iBufferFullnessSkip = %d,iTargetBits= %d,dBpp = %f,initQp = %d",
pDLayerParam->iSpatialBitrate, pWelsSvcRc->iBufferFullnessSkip, pWelsSvcRc->iTargetBits, dBpp,
pWelsSvcRc->iInitialQp);
} else {
int32_t iMaxTh = pWelsSvcRc->iBufferSizeSkip - pWelsSvcRc->iBufferFullnessSkip;
int32_t iMinTh = iMaxTh / 2;
pWelsSvcRc->iTargetBits = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParam->fFrameRate) *
IDR_BITRATE_RATIO;
if (iMaxTh > 0) {
pWelsSvcRc->iTargetBits = WELS_CLIP3 (pWelsSvcRc->iTargetBits, iMinTh, iMaxTh);
pWelsSvcRc->iQStep = WELS_DIV_ROUND ((((int64_t)pWelsSvcRc->iIntraComplexity) *
pWelsSvcRc->iCost2BitsIntra), pWelsSvcRc->iTargetBits);
iLumaQp = RcConvertQStep2Qp (pWelsSvcRc->iQStep);
iLumaQp = WELS_CLIP3 (iLumaQp, pEncCtx->iGlobalQp - DELTA_QP_BGD_THD, pEncCtx->iGlobalQp + DELTA_QP_BGD_THD);
} else {
iLumaQp = pWelsSvcRc->iLastCalculatedQScale + DELTA_QP_BGD_THD;
}
iLumaQp = WELS_CLIP3 (iLumaQp, MIN_IDR_QP, MAX_IDR_QP);
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
"[Rc]I iLumaQp = %d,iQStep = %d,iTargetBits = %d,iBufferFullnessSkip =%d,iMaxTh=%d,iMinTh = %d,iFrameComplexity= %d",
iLumaQp, pWelsSvcRc->iQStep, pWelsSvcRc->iTargetBits, pWelsSvcRc->iBufferFullnessSkip, iMaxTh, iMinTh,
pWelsSvcRc->iIntraComplexity);
}
} else {
int32_t iTl = pEncCtx->uiTemporalId;
SRCTemporal* pTOverRc = &pWelsSvcRc->pTemporalOverRc[iTl];
int32_t iMaxTh = pWelsSvcRc->iBufferSizeSkip - pWelsSvcRc->iBufferFullnessSkip;
int32_t iMinTh = iMaxTh / (iTl + 2);
SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
const int32_t kiGopSize = (1 << pDLayerParamInternal->iDecompositionStages);
int32_t iAverageFrameSize = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParam->fFrameRate);
const int32_t kiGopBits = iAverageFrameSize * kiGopSize;
int64_t iCmplxRatio = WELS_DIV_ROUND64 (pEncCtx->pVaa->sComplexityAnalysisParam.iFrameComplexity * INT_MULTIPLY,
pTOverRc->iFrameCmplxMean);
iCmplxRatio = WELS_CLIP3 (iCmplxRatio, INT_MULTIPLY - FRAME_CMPLX_RATIO_RANGE, INT_MULTIPLY + FRAME_CMPLX_RATIO_RANGE);
pWelsSvcRc->iTargetBits = WELS_DIV_ROUND (pTOverRc->iTlayerWeight * kiGopBits, INT_MULTIPLY * 10 * 2);
if (iMaxTh > 0) {
pWelsSvcRc->iTargetBits = WELS_CLIP3 (pWelsSvcRc->iTargetBits, iMinTh, iMaxTh);
if (0 == pTOverRc->iPFrameNum)
iLumaQp = pWelsSvcRc->iInitialQp;
else {
pWelsSvcRc->iQStep = WELS_DIV_ROUND ((pTOverRc->iLinearCmplx * iCmplxRatio), (pWelsSvcRc->iTargetBits * INT_MULTIPLY));
iLumaQp = RcConvertQStep2Qp (pWelsSvcRc->iQStep);
iLumaQp = WELS_CLIP3 (iLumaQp, pEncCtx->iGlobalQp - DELTA_QP_BGD_THD, pEncCtx->iGlobalQp + DELTA_QP_BGD_THD);
}
} else {
iLumaQp = pWelsSvcRc->iLastCalculatedQScale + DELTA_QP_BGD_THD;
}
iLumaQp = WELS_CLIP3 (iLumaQp, GOM_MIN_QP_MODE, GOM_MAX_QP_MODE);
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
"[Rc]P iTl = %d,iLumaQp = %d,iQStep = %d,iTargetBits = %d,iBufferFullnessSkip =%d,iMaxTh=%d,iMinTh = %d,iFrameComplexity= %d,iCmplxRatio=%lld",
iTl, iLumaQp, pWelsSvcRc->iQStep, pWelsSvcRc->iTargetBits, pWelsSvcRc->iBufferFullnessSkip, iMaxTh, iMinTh,
pEncCtx->pVaa->sComplexityAnalysisParam.iFrameComplexity, iCmplxRatio);
}
pWelsSvcRc->iQStep = RcConvertQp2QStep (iLumaQp);
pWelsSvcRc->iLastCalculatedQScale = iLumaQp;
pEncCtx->iGlobalQp = iLumaQp;
RcInitSliceInformation (pEncCtx);
RcInitGomParameters (pEncCtx);
float fInstantFps = (uiTimeStamp - pWelsSvcRc->uiLastTimeStamp) > 0 ? (1000.0 / (uiTimeStamp -
pWelsSvcRc->uiLastTimeStamp)) : 0;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
"[Rc]pEncCtx->iGlobalQp= %d,uiTimeStamp = %lld,uiLastTimeStamp = %lld,InstantFps = %f,settingFps = %f",
pEncCtx->iGlobalQp, uiTimeStamp, pWelsSvcRc->uiLastTimeStamp,
fInstantFps, pDLayerParam->fFrameRate);
pWelsSvcRc->uiLastTimeStamp = uiTimeStamp;
}
void WelsRcPictureInfoUpdateGomTimeStamp (sWelsEncCtx* pEncCtx, int32_t iLayerSize) {
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
int32_t iCodedBits = (iLayerSize << 3);
RcUpdatePictureQpBits (pEncCtx, iCodedBits);
if (pEncCtx->eSliceType == P_SLICE) {
RcUpdateFrameComplexity (pEncCtx);
} else {
RcUpdateIntraComplexity (pEncCtx);
}
pWelsSvcRc->iRemainingBits -= pWelsSvcRc->iFrameDqBits;
//condition 1: whole pBuffer fullness
pWelsSvcRc->iBufferFullnessSkip += pWelsSvcRc->iFrameDqBits;
if (pEncCtx->pSvcParam->iPaddingFlag)
RcVBufferCalculationPadding (pEncCtx);
pWelsSvcRc->iFrameCodedInVGop++;
}
void WelsRcInitModule (sWelsEncCtx* pEncCtx, RC_MODES iRcMode) {
SWelsRcFunc* pRcf = &pEncCtx->pFuncList->pfRc;
switch (iRcMode) {
case RC_OFF_MODE:
pRcf->pfWelsRcPictureInit = WelsRcPictureInitDisable;
@ -1303,19 +1433,21 @@ void WelsRcInitModule (sWelsEncCtx* pEncCtx, RC_MODES iRcMode) {
case RC_TIMESTAMP_MODE:
if (pEncCtx->pSvcParam->iUsageType == SCREEN_CONTENT_REAL_TIME) {
pRcf->pfWelsRcPictureInit = WelRcPictureInitScc;
pRcf->pfWelsRcPicDelayJudge = WelsRcFrameDelayJudgeScc;
pRcf->pfWelsRcPictureInfoUpdate = WelsRcPictureInfoUpdateScc;
pRcf->pfWelsRcMbInit = WelsRcMbInitScc;
pRcf->pfWelsRcMbInfoUpdate = WelsRcMbInfoUpdateDisable;
} else {
pRcf->pfWelsRcPictureInit = WelsRcPictureInitGomTimeStamp;
pRcf->pfWelsRcPictureInfoUpdate = WelsRcPictureInfoUpdateGomTimeStamp;
pRcf->pfWelsRcMbInit = WelsRcMbInitGom;
pRcf->pfWelsRcMbInfoUpdate = WelsRcMbInfoUpdateGom;
}
pRcf->pfWelsRcPicDelayJudge = WelsRcFrameDelayJudgeTimeStamp;
pRcf->pfWelsCheckSkipBasedMaxbr = CheckFrameSkipBasedMaxbr;
pRcf->pfWelsUpdateBufferWhenSkip = NULL;
pRcf->pfWelsUpdateMaxBrWindowStatus = NULL;
InitRcModuleScc (pEncCtx);
} else {
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_INFO, "to be done in the future");
}
InitRcModuleTimeStamp (pEncCtx);
break;
case RC_QUALITY_MODE:
default:

8
codec/encoder/core/src/wels_preprocess.cpp
View File

@ -228,7 +228,6 @@ int32_t CWelsPreProcess::AnalyzeSpatialPic (sWelsEncCtx* pCtx, const int32_t kiD
if (pSvcParam->bEnableBackgroundDetection) {
BackgroundDetection (pCtx->pVaa, pCurPic, pRefPic, bCalculateBGD && pRefPic->iPictureType != I_SLICE);
}
if (bNeededMbAq) {
AdaptiveQuantCalculation (pCtx->pVaa, pCurPic, pRefPic);
}
@ -795,13 +794,16 @@ void CWelsPreProcess::AnalyzePictureComplexity (sWelsEncCtx* pCtx, SPicture* pCu
if (pSvcParam->iRCMode == RC_QUALITY_MODE && pCtx->eSliceType == P_SLICE) {
iComplexityAnalysisMode = FRAME_SAD;
} else if (((pSvcParam->iRCMode == RC_BITRATE_MODE)||(pSvcParam->iRCMode == RC_TIMESTAMP_MODE)) && pCtx->eSliceType == P_SLICE) {
} else if (((pSvcParam->iRCMode == RC_BITRATE_MODE) || (pSvcParam->iRCMode == RC_TIMESTAMP_MODE))
&& pCtx->eSliceType == P_SLICE) {
iComplexityAnalysisMode = GOM_SAD;
} else if (((pSvcParam->iRCMode == RC_BITRATE_MODE)||(pSvcParam->iRCMode == RC_TIMESTAMP_MODE)) && pCtx->eSliceType == I_SLICE) {
} else if (((pSvcParam->iRCMode == RC_BITRATE_MODE) || (pSvcParam->iRCMode == RC_TIMESTAMP_MODE))
&& pCtx->eSliceType == I_SLICE) {
iComplexityAnalysisMode = GOM_VAR;
} else {
return;
}
sComplexityAnalysisParam->iComplexityAnalysisMode = iComplexityAnalysisMode;
sComplexityAnalysisParam->pCalcResult = & (pVaaInfo->sVaaCalcInfo);
sComplexityAnalysisParam->pBackgroundMbFlag = pVaaInfo->pVaaBackgroundMbFlag;

8
codec/processing/src/complexityanalysis/ComplexityAnalysis.cpp
View File

@ -187,9 +187,7 @@ void CComplexityAnalysis::AnalyzeGomComplexityViaSad (SPixMap* pSrcPixMap, SPixM
int32_t* pGomForegroundBlockNum = (int32_t*)m_sComplexityAnalysisParam.pGomForegroundBlockNum;
int32_t* pGomComplexity = (int32_t*)m_sComplexityAnalysisParam.pGomComplexity;
uint32_t uiGomSad = 0, uiFrameSad = 0;
InitGomSadFunc (m_pfGomSad, m_sComplexityAnalysisParam.iCalcBgd);
for (int32_t j = 0; j < iGomMbNum; j ++) {
@ -212,11 +210,9 @@ void CComplexityAnalysis::AnalyzeGomComplexityViaSad (SPixMap* pSrcPixMap, SPixM
iMbEndIndex = WELS_MIN (iMbEndIndex + iMbWidth , iGomMbEndIndex);
} while (--iGomMbRowNum);
pGomComplexity[j] = uiGomSad;
uiFrameSad += pGomComplexity[j];
}
m_sComplexityAnalysisParam.iFrameComplexity = uiFrameSad;
}
@ -237,7 +233,7 @@ void CComplexityAnalysis::AnalyzeGomComplexityViaVar (SPixMap* pSrcPixMap, SPixM
SVAACalcResult* pVaaCalcResults = m_sComplexityAnalysisParam.pCalcResult;
int32_t* pGomComplexity = (int32_t*)m_sComplexityAnalysisParam.pGomComplexity;
uint32_t uiFrameSad = 0;
uint32_t uiSampleSum = 0, uiSquareSum = 0;
@ -266,7 +262,9 @@ void CComplexityAnalysis::AnalyzeGomComplexityViaVar (SPixMap* pSrcPixMap, SPixM
} while (--iGomMbRowNum);
pGomComplexity[j] = uiSquareSum - (uiSampleSum * uiSampleSum / iGomSampleNum);
uiFrameSad += pGomComplexity[j];
}
m_sComplexityAnalysisParam.iFrameComplexity = uiFrameSad;
}