ref: b932547fe8c7c9c9ebcd4c7ad7bad9314d283ed4
parent: 2c69638773e0e9ef3167a3fe641173afe0e1d426
author: ruil2 <ruil2@cisco.com>
date: Tue Dec 16 10:16:09 EST 2014
astyle two files
--- a/codec/encoder/core/src/encoder_ext.cpp
+++ b/codec/encoder/core/src/encoder_ext.cpp
@@ -95,8 +95,8 @@
pLayerParam->iMaxSpatialBitrate);
}
WelsLog (pLogCtx, WELS_LOG_INFO,
- "Level is changed from (%d) to (%d) according to the maxbitrate",
- iCurLevel, pLayerParam->uiLevelIdc);
+ "Level is changed from (%d) to (%d) according to the maxbitrate",
+ iCurLevel, pLayerParam->uiLevelIdc);
}
if (pLayerParam->iMaxSpatialBitrate < pLayerParam->iSpatialBitrate) {WelsLog (pLogCtx, WELS_LOG_ERROR,
@@ -533,18 +533,19 @@
}
return ENC_RETURN_SUCCESS;
}
-int32_t WelsEncoderApplyBitVaryRang(SLogContext* pLogCtx, SWelsSvcCodingParam* pParam, int32_t iRang){- SSpatialLayerConfig* pLayerParam;
- const int32_t iNumLayers = pParam->iSpatialLayerNum;
- for (int32_t i = 0; i < iNumLayers; i++) {- pLayerParam = & (pParam->sSpatialLayers[i]);
- pLayerParam->iMaxSpatialBitrate = WELS_MIN((int) (pLayerParam->iSpatialBitrate * (1+ iRang/100.0)),pLayerParam->iMaxSpatialBitrate);
- if (WelsBitRateVerification (pLogCtx, pLayerParam, i) != ENC_RETURN_SUCCESS)
- return ENC_RETURN_UNSUPPORTED_PARA;
- WelsLog (pLogCtx, WELS_LOG_INFO,
- "WelsEncoderApplyBitVaryRang:UpdateMaxBitrate layerId= %d,iMaxSpatialBitrate = %d", i, pLayerParam->iMaxSpatialBitrate);
- }
- return ENC_RETURN_SUCCESS;
+int32_t WelsEncoderApplyBitVaryRang (SLogContext* pLogCtx, SWelsSvcCodingParam* pParam, int32_t iRang) {+ SSpatialLayerConfig* pLayerParam;
+ const int32_t iNumLayers = pParam->iSpatialLayerNum;
+ for (int32_t i = 0; i < iNumLayers; i++) {+ pLayerParam = & (pParam->sSpatialLayers[i]);
+ pLayerParam->iMaxSpatialBitrate = WELS_MIN ((int) (pLayerParam->iSpatialBitrate * (1 + iRang / 100.0)),
+ pLayerParam->iMaxSpatialBitrate);
+ if (WelsBitRateVerification (pLogCtx, pLayerParam, i) != ENC_RETURN_SUCCESS)
+ return ENC_RETURN_UNSUPPORTED_PARA;
+ WelsLog (pLogCtx, WELS_LOG_INFO,
+ "WelsEncoderApplyBitVaryRang:UpdateMaxBitrate layerId= %d,iMaxSpatialBitrate = %d", i, pLayerParam->iMaxSpatialBitrate);
+ }
+ return ENC_RETURN_SUCCESS;
}
/*!
@@ -2293,8 +2294,8 @@
WelsEventSignal (& (*ppCtx)->pSliceThreading->pThreadMasterEvent[iThreadIdx]);
res = WelsThreadJoin ((*ppCtx)->pSliceThreading->pThreadHandles[iThreadIdx]); // waiting thread exit
WelsLog (& (*ppCtx)->sLogCtx, WELS_LOG_INFO, "WelsUninitEncoderExt(), pthread_join(pThreadHandles%d) return %d..",
- iThreadIdx,
- res);
+ iThreadIdx,
+ res);
(*ppCtx)->pSliceThreading->pThreadHandles[iThreadIdx] = 0;
}
++ iThreadIdx;
@@ -3101,7 +3102,7 @@
iSpatialNum = pCtx->pVpp->BuildSpatialPicList (pCtx, pSrcPic);
if (pCtx->pSvcParam->bEnableFrameSkip) {- UpdateMaxBrCheckWindowStatus(pCtx, iSpatialNum, pSrcPic->uiTimeStamp);
+ UpdateMaxBrCheckWindowStatus (pCtx, iSpatialNum, pSrcPic->uiTimeStamp);
}
if (iSpatialNum < 1) { // skip due to temporal layer settings (different frame rate)@@ -3114,10 +3115,10 @@
eFrameType = DecideFrameType (pCtx, iSpatialNum);
if (eFrameType == videoFrameTypeSkip) {- UpdateBufferWhenFrameSkipped(pCtx, iSpatialNum);
+ UpdateBufferWhenFrameSkipped (pCtx, iSpatialNum);
pFbi->eFrameType = eFrameType;
WelsLog (& (pCtx->sLogCtx), WELS_LOG_DEBUG, "[Rc] Frame timestamp = %lld, skip one frame, continual skipped %d frames",
- pSrcPic->uiTimeStamp, pCtx->iContinualSkipFrames);
+ pSrcPic->uiTimeStamp, pCtx->iContinualSkipFrames);
return ENC_RETURN_SUCCESS;
}
@@ -3125,7 +3126,7 @@
if (CheckFrameSkipBasedMaxbr (pCtx, iSpatialNum, eFrameType, (uint32_t)pSrcPic->uiTimeStamp)) {pFbi->eFrameType = videoFrameTypeSkip;
WelsLog (& (pCtx->sLogCtx), WELS_LOG_DEBUG, "[Rc] Frame timestamp = %lld, skip one frame, continual skipped %d frames",
- pSrcPic->uiTimeStamp, pCtx->iContinualSkipFrames);
+ pSrcPic->uiTimeStamp, pCtx->iContinualSkipFrames);
return ENC_RETURN_SUCCESS;
}
--- a/codec/encoder/core/src/ratectl.cpp
+++ b/codec/encoder/core/src/ratectl.cpp
@@ -52,742 +52,753 @@
#define VIRTUAL_BUFFER_LOW_TH 120 //*INT_MULTIPLY
#define VIRTUAL_BUFFER_HIGH_TH 180 //*INT_MULTIPLY
-
+
#define _BITS_RANGE 0
const int32_t g_kiQpToQstepTable[52] = { 63, 71, 79, 89, 100, 112, 126, 141, 159, 178,- 200, 224, 252, 283, 317, 356, 400, 449, 504, 566,
- 635, 713, 800, 898, 1008, 1131, 1270, 1425, 1600, 1796,
- 2016, 2263, 2540, 2851, 3200, 3592, 4032, 4525, 5080, 5702,
- 6400, 7184, 8063, 9051, 10159, 11404, 12800, 14368, 16127, 18102,
- 20319, 22807
- }; //WELS_ROUND(INT_MULTIPLY*pow (2.0, (iQP - 4.0) / 6.0))
-
+200, 224, 252, 283, 317, 356, 400, 449, 504, 566,
+635, 713, 800, 898, 1008, 1131, 1270, 1425, 1600, 1796,
+2016, 2263, 2540, 2851, 3200, 3592, 4032, 4525, 5080, 5702,
+6400, 7184, 8063, 9051, 10159, 11404, 12800, 14368, 16127, 18102,
+20319, 22807
+}; //WELS_ROUND(INT_MULTIPLY*pow (2.0, (iQP - 4.0) / 6.0))
+
void RcInitLayerMemory (SWelsSvcRc* pWelsSvcRc, CMemoryAlign* pMA, const int32_t kiMaxTl) {- const int32_t kiSliceNum = pWelsSvcRc->iSliceNum;
- const int32_t kiGomSize = pWelsSvcRc->iGomSize;
- const int32_t kiGomSizeD = kiGomSize * sizeof (double);
- const int32_t kiGomSizeI = kiGomSize * sizeof (int32_t);
- const int32_t kiLayerRcSize = kiGomSizeD + (kiGomSizeI * 3) + sizeof (SRCTemporal) * kiMaxTl;
- uint8_t* pBaseMem = (uint8_t*)pMA->WelsMalloc (kiLayerRcSize, "pWelsSvcRc->pTemporalOverRc");
-
- if (NULL == pBaseMem)
- return;
-
- pWelsSvcRc->pTemporalOverRc = (SRCTemporal*)pBaseMem;
- pBaseMem += sizeof (SRCTemporal) * kiMaxTl;
- pWelsSvcRc->pGomComplexity = (double*)pBaseMem;
- pBaseMem += kiGomSizeD;
- pWelsSvcRc->pGomForegroundBlockNum = (int32_t*)pBaseMem;
- pBaseMem += kiGomSizeI;
- pWelsSvcRc->pCurrentFrameGomSad = (int32_t*)pBaseMem;
- pBaseMem += kiGomSizeI;
- pWelsSvcRc->pGomCost = (int32_t*)pBaseMem;
-
- pWelsSvcRc->pSlicingOverRc = (SRCSlicing*)pMA->WelsMalloc (sizeof (SRCSlicing) * kiSliceNum, "SlicingOverRC");
+const int32_t kiSliceNum = pWelsSvcRc->iSliceNum;
+const int32_t kiGomSize = pWelsSvcRc->iGomSize;
+const int32_t kiGomSizeD = kiGomSize * sizeof (double);
+const int32_t kiGomSizeI = kiGomSize * sizeof (int32_t);
+const int32_t kiLayerRcSize = kiGomSizeD + (kiGomSizeI * 3) + sizeof (SRCTemporal) * kiMaxTl;
+uint8_t* pBaseMem = (uint8_t*)pMA->WelsMalloc (kiLayerRcSize, "pWelsSvcRc->pTemporalOverRc");
+
+if (NULL == pBaseMem)
+return;
+
+pWelsSvcRc->pTemporalOverRc = (SRCTemporal*)pBaseMem;
+pBaseMem += sizeof (SRCTemporal) * kiMaxTl;
+pWelsSvcRc->pGomComplexity = (double*)pBaseMem;
+pBaseMem += kiGomSizeD;
+pWelsSvcRc->pGomForegroundBlockNum = (int32_t*)pBaseMem;
+pBaseMem += kiGomSizeI;
+pWelsSvcRc->pCurrentFrameGomSad = (int32_t*)pBaseMem;
+pBaseMem += kiGomSizeI;
+pWelsSvcRc->pGomCost = (int32_t*)pBaseMem;
+
+pWelsSvcRc->pSlicingOverRc = (SRCSlicing*)pMA->WelsMalloc (sizeof (SRCSlicing) * kiSliceNum, "SlicingOverRC");
}
-
+
void RcFreeLayerMemory (SWelsSvcRc* pWelsSvcRc, CMemoryAlign* pMA) {- if (pWelsSvcRc != NULL && pWelsSvcRc->pSlicingOverRc != NULL) {- pMA->WelsFree (pWelsSvcRc->pSlicingOverRc, "SlicingOverRC");
- pWelsSvcRc->pSlicingOverRc = NULL;
- }
- if (pWelsSvcRc != NULL && pWelsSvcRc->pTemporalOverRc != NULL) {- pMA->WelsFree (pWelsSvcRc->pTemporalOverRc, "pWelsSvcRc->pTemporalOverRc");
- pWelsSvcRc->pTemporalOverRc = NULL;
- pWelsSvcRc->pGomComplexity = NULL;
- pWelsSvcRc->pGomForegroundBlockNum = NULL;
- pWelsSvcRc->pCurrentFrameGomSad = NULL;
- pWelsSvcRc->pGomCost = NULL;
- }
+if (pWelsSvcRc != NULL && pWelsSvcRc->pSlicingOverRc != NULL) {+pMA->WelsFree (pWelsSvcRc->pSlicingOverRc, "SlicingOverRC");
+pWelsSvcRc->pSlicingOverRc = NULL;
}
-
+if (pWelsSvcRc != NULL && pWelsSvcRc->pTemporalOverRc != NULL) {+pMA->WelsFree (pWelsSvcRc->pTemporalOverRc, "pWelsSvcRc->pTemporalOverRc");
+pWelsSvcRc->pTemporalOverRc = NULL;
+pWelsSvcRc->pGomComplexity = NULL;
+pWelsSvcRc->pGomForegroundBlockNum = NULL;
+pWelsSvcRc->pCurrentFrameGomSad = NULL;
+pWelsSvcRc->pGomCost = NULL;
+}
+}
+
static inline int32_t RcConvertQp2QStep (int32_t iQP) {- return g_kiQpToQstepTable[iQP];
+return g_kiQpToQstepTable[iQP];
}
static inline int32_t RcConvertQStep2Qp (int32_t iQpStep) {- return WELS_ROUND ((6 * log (iQpStep * 1.0f / INT_MULTIPLY) / log (2.0) + 4.0));
+return WELS_ROUND ((6 * log (iQpStep * 1.0f / INT_MULTIPLY) / log (2.0) + 4.0));
}
-
+
void RcInitSequenceParameter (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = NULL;
- SSpatialLayerConfig* pDLayerParam = NULL;
-
- int32_t j = 0;
- int32_t iMbWidth = 0;
-
- bool bMultiSliceMode = false;
- int32_t iGomRowMode0 = 1, iGomRowMode1 = 1;
- for (j = 0; j < pEncCtx->pSvcParam->iSpatialLayerNum; j++) {- SSliceCtx* pSliceCtx = &pEncCtx->pSliceCtxList[j];
- pWelsSvcRc = &pEncCtx->pWelsSvcRc[j];
- pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[j];
- iMbWidth = (pDLayerParam->iVideoWidth >> 4);
- pWelsSvcRc->iNumberMbFrame = iMbWidth * (pDLayerParam->iVideoHeight >> 4);
- pWelsSvcRc->iSliceNum = pSliceCtx->iSliceNumInFrame;
-
- pWelsSvcRc->iRcVaryPercentage = pEncCtx->pSvcParam->iBitsVaryPercentage; // % -- for temp
- pWelsSvcRc->iRcVaryRatio = pWelsSvcRc->iRcVaryPercentage;
-
- pWelsSvcRc->iSkipBufferRatio = SKIP_RATIO;
-
- pWelsSvcRc->iQpRangeUpperInFrame = (QP_RANGE_UPPER_MODE1 * MAX_BITS_VARY_PERCENTAGE - ((
- QP_RANGE_UPPER_MODE1 - QP_RANGE_MODE0) *
- pWelsSvcRc->iRcVaryRatio)) / MAX_BITS_VARY_PERCENTAGE;
- pWelsSvcRc->iQpRangeLowerInFrame = (QP_RANGE_LOWER_MODE1 * MAX_BITS_VARY_PERCENTAGE - ((
- QP_RANGE_LOWER_MODE1 - QP_RANGE_MODE0) *
- pWelsSvcRc->iRcVaryRatio)) / MAX_BITS_VARY_PERCENTAGE;
-
- if (iMbWidth <= MB_WIDTH_THRESHOLD_90P) {- pWelsSvcRc->iSkipQpValue = SKIP_QP_90P;
- iGomRowMode0 = GOM_ROW_MODE0_90P;
- iGomRowMode1 = GOM_ROW_MODE1_90P;
- } else if (iMbWidth <= MB_WIDTH_THRESHOLD_180P) {- pWelsSvcRc->iSkipQpValue = SKIP_QP_180P;
- iGomRowMode0 = GOM_ROW_MODE0_180P;
- iGomRowMode1 = GOM_ROW_MODE1_180P;
- } else if (iMbWidth <= MB_WIDTH_THRESHOLD_360P) {- pWelsSvcRc->iSkipQpValue = SKIP_QP_360P;
- iGomRowMode0 = GOM_ROW_MODE0_360P;
- iGomRowMode1 = GOM_ROW_MODE1_360P;
- } else {- pWelsSvcRc->iSkipQpValue = SKIP_QP_720P;
- iGomRowMode0 = GOM_ROW_MODE0_720P;
- iGomRowMode1 = GOM_ROW_MODE1_720P;
- }
- iGomRowMode0 = iGomRowMode1 + ((iGomRowMode0 - iGomRowMode1) * pWelsSvcRc->iRcVaryRatio / MAX_BITS_VARY_PERCENTAGE);
-
- pWelsSvcRc->iNumberMbGom = iMbWidth * iGomRowMode0;
-
- pWelsSvcRc->iMinQp = GOM_MIN_QP_MODE;
- pWelsSvcRc->iMaxQp = GOM_MAX_QP_MODE;
-
- pWelsSvcRc->iFrameDeltaQpUpper = LAST_FRAME_QP_RANGE_UPPER_MODE1 - ((LAST_FRAME_QP_RANGE_UPPER_MODE1 -
- LAST_FRAME_QP_RANGE_UPPER_MODE0) * pWelsSvcRc->iRcVaryRatio / MAX_BITS_VARY_PERCENTAGE);
- pWelsSvcRc->iFrameDeltaQpLower = LAST_FRAME_QP_RANGE_LOWER_MODE1 - ((LAST_FRAME_QP_RANGE_LOWER_MODE1 -
- LAST_FRAME_QP_RANGE_LOWER_MODE0) * pWelsSvcRc->iRcVaryRatio / MAX_BITS_VARY_PERCENTAGE);
-
- pWelsSvcRc->iSkipFrameNum = 0;
- pWelsSvcRc->iGomSize = (pWelsSvcRc->iNumberMbFrame + pWelsSvcRc->iNumberMbGom - 1) / pWelsSvcRc->iNumberMbGom;
-
-
- RcInitLayerMemory (pWelsSvcRc, pEncCtx->pMemAlign, 1 + pEncCtx->pSvcParam->sDependencyLayers[j].iHighestTemporalId);
-
- bMultiSliceMode = ((SM_RASTER_SLICE == pDLayerParam->sSliceCfg.uiSliceMode) ||
- (SM_ROWMB_SLICE == pDLayerParam->sSliceCfg.uiSliceMode) ||
- (SM_DYN_SLICE == pDLayerParam->sSliceCfg.uiSliceMode));
- if (bMultiSliceMode)
- pWelsSvcRc->iNumberMbGom = pWelsSvcRc->iNumberMbFrame;
- }
+SWelsSvcRc* pWelsSvcRc = NULL;
+SSpatialLayerConfig* pDLayerParam = NULL;
+
+int32_t j = 0;
+int32_t iMbWidth = 0;
+
+bool bMultiSliceMode = false;
+int32_t iGomRowMode0 = 1, iGomRowMode1 = 1;
+for (j = 0; j < pEncCtx->pSvcParam->iSpatialLayerNum; j++) {+SSliceCtx* pSliceCtx = &pEncCtx->pSliceCtxList[j];
+pWelsSvcRc = &pEncCtx->pWelsSvcRc[j];
+pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[j];
+iMbWidth = (pDLayerParam->iVideoWidth >> 4);
+pWelsSvcRc->iNumberMbFrame = iMbWidth * (pDLayerParam->iVideoHeight >> 4);
+pWelsSvcRc->iSliceNum = pSliceCtx->iSliceNumInFrame;
+
+pWelsSvcRc->iRcVaryPercentage = pEncCtx->pSvcParam->iBitsVaryPercentage; // % -- for temp
+pWelsSvcRc->iRcVaryRatio = pWelsSvcRc->iRcVaryPercentage;
+
+pWelsSvcRc->iSkipBufferRatio = SKIP_RATIO;
+
+pWelsSvcRc->iQpRangeUpperInFrame = (QP_RANGE_UPPER_MODE1 * MAX_BITS_VARY_PERCENTAGE - ((
+QP_RANGE_UPPER_MODE1 - QP_RANGE_MODE0) *
+pWelsSvcRc->iRcVaryRatio)) / MAX_BITS_VARY_PERCENTAGE;
+pWelsSvcRc->iQpRangeLowerInFrame = (QP_RANGE_LOWER_MODE1 * MAX_BITS_VARY_PERCENTAGE - ((
+QP_RANGE_LOWER_MODE1 - QP_RANGE_MODE0) *
+pWelsSvcRc->iRcVaryRatio)) / MAX_BITS_VARY_PERCENTAGE;
+
+if (iMbWidth <= MB_WIDTH_THRESHOLD_90P) {+pWelsSvcRc->iSkipQpValue = SKIP_QP_90P;
+iGomRowMode0 = GOM_ROW_MODE0_90P;
+iGomRowMode1 = GOM_ROW_MODE1_90P;
+} else if (iMbWidth <= MB_WIDTH_THRESHOLD_180P) {+pWelsSvcRc->iSkipQpValue = SKIP_QP_180P;
+iGomRowMode0 = GOM_ROW_MODE0_180P;
+iGomRowMode1 = GOM_ROW_MODE1_180P;
+} else if (iMbWidth <= MB_WIDTH_THRESHOLD_360P) {+pWelsSvcRc->iSkipQpValue = SKIP_QP_360P;
+iGomRowMode0 = GOM_ROW_MODE0_360P;
+iGomRowMode1 = GOM_ROW_MODE1_360P;
+} else {+pWelsSvcRc->iSkipQpValue = SKIP_QP_720P;
+iGomRowMode0 = GOM_ROW_MODE0_720P;
+iGomRowMode1 = GOM_ROW_MODE1_720P;
}
-
-
+iGomRowMode0 = iGomRowMode1 + ((iGomRowMode0 - iGomRowMode1) * pWelsSvcRc->iRcVaryRatio / MAX_BITS_VARY_PERCENTAGE);
+
+pWelsSvcRc->iNumberMbGom = iMbWidth * iGomRowMode0;
+
+pWelsSvcRc->iMinQp = GOM_MIN_QP_MODE;
+pWelsSvcRc->iMaxQp = GOM_MAX_QP_MODE;
+
+pWelsSvcRc->iFrameDeltaQpUpper = LAST_FRAME_QP_RANGE_UPPER_MODE1 - ((LAST_FRAME_QP_RANGE_UPPER_MODE1 -
+LAST_FRAME_QP_RANGE_UPPER_MODE0) * pWelsSvcRc->iRcVaryRatio / MAX_BITS_VARY_PERCENTAGE);
+pWelsSvcRc->iFrameDeltaQpLower = LAST_FRAME_QP_RANGE_LOWER_MODE1 - ((LAST_FRAME_QP_RANGE_LOWER_MODE1 -
+LAST_FRAME_QP_RANGE_LOWER_MODE0) * pWelsSvcRc->iRcVaryRatio / MAX_BITS_VARY_PERCENTAGE);
+
+pWelsSvcRc->iSkipFrameNum = 0;
+pWelsSvcRc->iGomSize = (pWelsSvcRc->iNumberMbFrame + pWelsSvcRc->iNumberMbGom - 1) / pWelsSvcRc->iNumberMbGom;
+
+
+RcInitLayerMemory (pWelsSvcRc, pEncCtx->pMemAlign, 1 + pEncCtx->pSvcParam->sDependencyLayers[j].iHighestTemporalId);
+
+bMultiSliceMode = ((SM_RASTER_SLICE == pDLayerParam->sSliceCfg.uiSliceMode) ||
+(SM_ROWMB_SLICE == pDLayerParam->sSliceCfg.uiSliceMode) ||
+(SM_DYN_SLICE == pDLayerParam->sSliceCfg.uiSliceMode));
+if (bMultiSliceMode)
+pWelsSvcRc->iNumberMbGom = pWelsSvcRc->iNumberMbFrame;
+}
+}
+
+
void RcInitTlWeight (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
- SSpatialLayerInternal* pDLayerParam = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
- const int32_t kiDecompositionStages = pDLayerParam->iDecompositionStages;
- const int32_t kiHighestTid = pDLayerParam->iHighestTemporalId;
-
- //Index 0:Virtual GOP size, Index 1:Frame rate
- //double WeightArray[4][4] = { {1.0, 0, 0, 0}, {0.6, 0.4, 0, 0}, {0.4, 0.3, 0.15, 0}, {0.25, 0.15, 0.125, 0.0875}};- int32_t iWeightArray[4][4] = { {2000, 0, 0, 0}, {1200, 800, 0, 0}, {800, 600, 300, 0}, {500, 300, 250, 175}}; // original*WEIGHT_MULTIPLY- const int32_t kiGopSize = (1 << kiDecompositionStages);
- int32_t i, k, n;
-
- n = 0;
- while (n <= kiHighestTid) {- pTOverRc[n].iTlayerWeight = iWeightArray[kiDecompositionStages][n];
- ++ n;
- }
- //Calculate the frame index for the current frame and its reference frame
- for (n = 0; n < VGOP_SIZE; n += kiGopSize) {- pWelsSvcRc->iTlOfFrames[n] = 0;
- for (i = 1; i <= kiDecompositionStages; i++) {- for (k = 1 << (kiDecompositionStages - i); k < kiGopSize; k += (kiGopSize >> (i - 1))) {- pWelsSvcRc->iTlOfFrames[k + n] = i;
- }
- }
- }
- pWelsSvcRc->iPreviousGopSize = kiGopSize;
- pWelsSvcRc->iGopNumberInVGop = VGOP_SIZE / kiGopSize;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
+SSpatialLayerInternal* pDLayerParam = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
+const int32_t kiDecompositionStages = pDLayerParam->iDecompositionStages;
+const int32_t kiHighestTid = pDLayerParam->iHighestTemporalId;
+
+//Index 0:Virtual GOP size, Index 1:Frame rate
+//double WeightArray[4][4] = { {1.0, 0, 0, 0}, {0.6, 0.4, 0, 0}, {0.4, 0.3, 0.15, 0}, {0.25, 0.15, 0.125, 0.0875}};+int32_t iWeightArray[4][4] = { {2000, 0, 0, 0}, {1200, 800, 0, 0}, {800, 600, 300, 0}, {500, 300, 250, 175}}; // original*WEIGHT_MULTIPLY+const int32_t kiGopSize = (1 << kiDecompositionStages);
+int32_t i, k, n;
+
+n = 0;
+while (n <= kiHighestTid) {+pTOverRc[n].iTlayerWeight = iWeightArray[kiDecompositionStages][n];
+++ n;
}
-
+//Calculate the frame index for the current frame and its reference frame
+for (n = 0; n < VGOP_SIZE; n += kiGopSize) {+pWelsSvcRc->iTlOfFrames[n] = 0;
+for (i = 1; i <= kiDecompositionStages; i++) {+for (k = 1 << (kiDecompositionStages - i); k < kiGopSize; k += (kiGopSize >> (i - 1))) {+pWelsSvcRc->iTlOfFrames[k + n] = i;
+}
+}
+}
+pWelsSvcRc->iPreviousGopSize = kiGopSize;
+pWelsSvcRc->iGopNumberInVGop = VGOP_SIZE / kiGopSize;
+}
+
void RcUpdateBitrateFps (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
-
- SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
- SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
- const int32_t kiGopSize = (1 << pDLayerParamInternal->iDecompositionStages);
- const int32_t kiHighestTid = pDLayerParamInternal->iHighestTemporalId;
- int64_t input_iBitsPerFrame = WELS_ROUND64 (((int64_t)pDLayerParam->iSpatialBitrate) * INT_MULTIPLY /
- pDLayerParamInternal->fInputFrameRate);
- const int32_t kiGopBits = WELS_DIV_ROUND (input_iBitsPerFrame * kiGopSize, INT_MULTIPLY);
- int32_t i;
-
- pWelsSvcRc->iBitRate = pDLayerParam->iSpatialBitrate;
- pWelsSvcRc->fFrameRate = pDLayerParamInternal->fInputFrameRate;
-
- int32_t iTargetVaryRange = FRAME_iTargetBits_VARY_RANGE * (MAX_BITS_VARY_PERCENTAGE - pWelsSvcRc->iRcVaryRatio);
- int32_t iMinBitsRatio = (MAX_BITS_VARY_PERCENTAGE) * INT_MULTIPLY - iTargetVaryRange;
- int32_t iMaxBitsRatio = (MAX_BITS_VARY_PERCENTAGE) * (INT_MULTIPLY + FRAME_iTargetBits_VARY_RANGE);
-
- for (i = 0; i <= kiHighestTid; i++) {- const int64_t kdConstraitBits = kiGopBits * pTOverRc[i].iTlayerWeight;
- pTOverRc[i].iMinBitsTl = WELS_DIV_ROUND (kdConstraitBits * iMinBitsRatio,
- INT_MULTIPLY * MAX_BITS_VARY_PERCENTAGE * WEIGHT_MULTIPLY);
- pTOverRc[i].iMaxBitsTl = WELS_DIV_ROUND (kdConstraitBits * iMaxBitsRatio,
- INT_MULTIPLY * MAX_BITS_VARY_PERCENTAGE * WEIGHT_MULTIPLY);
- }
- //When bitrate is changed, pBuffer size should be updated
- pWelsSvcRc->iBufferSizeSkip = WELS_DIV_ROUND (pWelsSvcRc->iBitRate * pWelsSvcRc->iSkipBufferRatio, INT_MULTIPLY);
- pWelsSvcRc->iBufferSizePadding = WELS_DIV_ROUND (pWelsSvcRc->iBitRate * PADDING_BUFFER_RATIO, INT_MULTIPLY);
-
- //change remaining bits
- if (pWelsSvcRc->iBitsPerFrame > REMAIN_BITS_TH)
- pWelsSvcRc->iRemainingBits = (int32_t) (pWelsSvcRc->iRemainingBits * input_iBitsPerFrame / pWelsSvcRc->iBitsPerFrame);
- pWelsSvcRc->iBitsPerFrame = input_iBitsPerFrame;
- pWelsSvcRc->iMaxBitsPerFrame = WELS_DIV_ROUND64 ((pDLayerParam->iMaxSpatialBitrate) * INT_MULTIPLY,
- pDLayerParamInternal->fInputFrameRate);
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
+
+SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
+SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
+const int32_t kiGopSize = (1 << pDLayerParamInternal->iDecompositionStages);
+const int32_t kiHighestTid = pDLayerParamInternal->iHighestTemporalId;
+int64_t input_iBitsPerFrame = WELS_ROUND64 (((int64_t)pDLayerParam->iSpatialBitrate) * INT_MULTIPLY /
+pDLayerParamInternal->fInputFrameRate);
+const int32_t kiGopBits = WELS_DIV_ROUND (input_iBitsPerFrame * kiGopSize, INT_MULTIPLY);
+int32_t i;
+
+pWelsSvcRc->iBitRate = pDLayerParam->iSpatialBitrate;
+pWelsSvcRc->fFrameRate = pDLayerParamInternal->fInputFrameRate;
+
+int32_t iTargetVaryRange = FRAME_iTargetBits_VARY_RANGE * (MAX_BITS_VARY_PERCENTAGE - pWelsSvcRc->iRcVaryRatio);
+int32_t iMinBitsRatio = (MAX_BITS_VARY_PERCENTAGE) * INT_MULTIPLY - iTargetVaryRange;
+int32_t iMaxBitsRatio = (MAX_BITS_VARY_PERCENTAGE) * (INT_MULTIPLY + FRAME_iTargetBits_VARY_RANGE);
+
+for (i = 0; i <= kiHighestTid; i++) {+const int64_t kdConstraitBits = kiGopBits * pTOverRc[i].iTlayerWeight;
+pTOverRc[i].iMinBitsTl = WELS_DIV_ROUND (kdConstraitBits * iMinBitsRatio,
+INT_MULTIPLY * MAX_BITS_VARY_PERCENTAGE * WEIGHT_MULTIPLY);
+pTOverRc[i].iMaxBitsTl = WELS_DIV_ROUND (kdConstraitBits * iMaxBitsRatio,
+INT_MULTIPLY * MAX_BITS_VARY_PERCENTAGE * WEIGHT_MULTIPLY);
}
-
-
+//When bitrate is changed, pBuffer size should be updated
+pWelsSvcRc->iBufferSizeSkip = WELS_DIV_ROUND (pWelsSvcRc->iBitRate * pWelsSvcRc->iSkipBufferRatio, INT_MULTIPLY);
+pWelsSvcRc->iBufferSizePadding = WELS_DIV_ROUND (pWelsSvcRc->iBitRate * PADDING_BUFFER_RATIO, INT_MULTIPLY);
+
+//change remaining bits
+if (pWelsSvcRc->iBitsPerFrame > REMAIN_BITS_TH)
+pWelsSvcRc->iRemainingBits = (int32_t) (pWelsSvcRc->iRemainingBits * input_iBitsPerFrame / pWelsSvcRc->iBitsPerFrame);
+pWelsSvcRc->iBitsPerFrame = input_iBitsPerFrame;
+pWelsSvcRc->iMaxBitsPerFrame = WELS_DIV_ROUND64 ((pDLayerParam->iMaxSpatialBitrate) * INT_MULTIPLY,
+pDLayerParamInternal->fInputFrameRate);
+}
+
+
void RcInitVGop (sWelsEncCtx* pEncCtx) {- const int32_t kiDid = pEncCtx->uiDependencyId;
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
- SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
- const int32_t kiHighestTid = pEncCtx->pSvcParam->sDependencyLayers[kiDid].iHighestTemporalId;
-
- pWelsSvcRc->iRemainingBits = WELS_DIV_ROUND (VGOP_SIZE * pWelsSvcRc->iBitsPerFrame, INT_MULTIPLY);
- pWelsSvcRc->iRemainingWeights = pWelsSvcRc->iGopNumberInVGop * WEIGHT_MULTIPLY;
-
- pWelsSvcRc->iFrameCodedInVGop = 0;
- pWelsSvcRc->iGopIndexInVGop = 0;
-
- for (int32_t i = 0; i <= kiHighestTid; ++ i)
- pTOverRc[i].iGopBitsDq = 0;
- pWelsSvcRc->iSkipFrameInVGop = 0;
+const int32_t kiDid = pEncCtx->uiDependencyId;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
+SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
+const int32_t kiHighestTid = pEncCtx->pSvcParam->sDependencyLayers[kiDid].iHighestTemporalId;
+
+pWelsSvcRc->iRemainingBits = WELS_DIV_ROUND (VGOP_SIZE * pWelsSvcRc->iBitsPerFrame, INT_MULTIPLY);
+pWelsSvcRc->iRemainingWeights = pWelsSvcRc->iGopNumberInVGop * WEIGHT_MULTIPLY;
+
+pWelsSvcRc->iFrameCodedInVGop = 0;
+pWelsSvcRc->iGopIndexInVGop = 0;
+
+for (int32_t i = 0; i <= kiHighestTid; ++ i)
+pTOverRc[i].iGopBitsDq = 0;
+pWelsSvcRc->iSkipFrameInVGop = 0;
}
-
+
void RcInitRefreshParameter (sWelsEncCtx* pEncCtx) {- const int32_t kiDid = pEncCtx->uiDependencyId;
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
- SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
- SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[kiDid];
- SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
- const int32_t kiHighestTid = pDLayerParamInternal->iHighestTemporalId;
- int32_t i;
-
- //I frame R-Q Model
- pWelsSvcRc->iIntraComplexity = 0;
- pWelsSvcRc->iIntraMbCount = 0;
-
- //P frame R-Q Model
- for (i = 0; i <= kiHighestTid; i++) {- pTOverRc[i].iPFrameNum = 0;
- pTOverRc[i].iLinearCmplx = 0;
- pTOverRc[i].iFrameCmplxMean = 0;
- }
-
- pWelsSvcRc->iBufferFullnessSkip = 0;
- pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] = 0;
- pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] = 0;
- pWelsSvcRc->iPredFrameBit = 0;
- pWelsSvcRc->iBufferFullnessPadding = 0;
-
- pWelsSvcRc->iGopIndexInVGop = 0;
- pWelsSvcRc->iRemainingBits = 0;
- pWelsSvcRc->iBitsPerFrame = 0;
-
- //Backup the initial bitrate and fps
- pWelsSvcRc->iPreviousBitrate = pDLayerParam->iSpatialBitrate;
- pWelsSvcRc->dPreviousFps = pDLayerParamInternal->fInputFrameRate;
-
- memset (pWelsSvcRc->pCurrentFrameGomSad, 0, pWelsSvcRc->iGomSize * sizeof (int32_t));
-
- RcInitTlWeight (pEncCtx);
- RcUpdateBitrateFps (pEncCtx);
- RcInitVGop (pEncCtx);
+const int32_t kiDid = pEncCtx->uiDependencyId;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
+SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
+SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[kiDid];
+SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
+const int32_t kiHighestTid = pDLayerParamInternal->iHighestTemporalId;
+int32_t i;
+
+//I frame R-Q Model
+pWelsSvcRc->iIntraComplexity = 0;
+pWelsSvcRc->iIntraMbCount = 0;
+
+//P frame R-Q Model
+for (i = 0; i <= kiHighestTid; i++) {+pTOverRc[i].iPFrameNum = 0;
+pTOverRc[i].iLinearCmplx = 0;
+pTOverRc[i].iFrameCmplxMean = 0;
}
-
+
+pWelsSvcRc->iBufferFullnessSkip = 0;
+pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] = 0;
+pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] = 0;
+pWelsSvcRc->iPredFrameBit = 0;
+pWelsSvcRc->iBufferFullnessPadding = 0;
+
+pWelsSvcRc->iGopIndexInVGop = 0;
+pWelsSvcRc->iRemainingBits = 0;
+pWelsSvcRc->iBitsPerFrame = 0;
+
+//Backup the initial bitrate and fps
+pWelsSvcRc->iPreviousBitrate = pDLayerParam->iSpatialBitrate;
+pWelsSvcRc->dPreviousFps = pDLayerParamInternal->fInputFrameRate;
+
+memset (pWelsSvcRc->pCurrentFrameGomSad, 0, pWelsSvcRc->iGomSize * sizeof (int32_t));
+
+RcInitTlWeight (pEncCtx);
+RcUpdateBitrateFps (pEncCtx);
+RcInitVGop (pEncCtx);
+}
+
bool RcJudgeBitrateFpsUpdate (sWelsEncCtx* pEncCtx) {- int32_t iCurDid = pEncCtx->uiDependencyId;
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[iCurDid];
- SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[iCurDid];
- SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[iCurDid];
-
- if ((pWelsSvcRc->iPreviousBitrate != pDLayerParam->iSpatialBitrate) ||
- (pWelsSvcRc->dPreviousFps - pDLayerParamInternal->fInputFrameRate) > EPSN ||
- (pWelsSvcRc->dPreviousFps - pDLayerParamInternal->fInputFrameRate) < -EPSN) {- pWelsSvcRc->iPreviousBitrate = pDLayerParam->iSpatialBitrate;
- pWelsSvcRc->dPreviousFps = pDLayerParamInternal->fInputFrameRate;
- return true;
- } else
- return false;
+int32_t iCurDid = pEncCtx->uiDependencyId;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[iCurDid];
+SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[iCurDid];
+SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[iCurDid];
+
+if ((pWelsSvcRc->iPreviousBitrate != pDLayerParam->iSpatialBitrate) ||
+(pWelsSvcRc->dPreviousFps - pDLayerParamInternal->fInputFrameRate) > EPSN ||
+(pWelsSvcRc->dPreviousFps - pDLayerParamInternal->fInputFrameRate) < -EPSN) {+pWelsSvcRc->iPreviousBitrate = pDLayerParam->iSpatialBitrate;
+pWelsSvcRc->dPreviousFps = pDLayerParamInternal->fInputFrameRate;
+return true;
+} else
+return false;
}
-
+
#if GOM_TRACE_FLAG
void RcTraceVGopBitrate (sWelsEncCtx* pEncCtx) {- const int32_t kiDid = pEncCtx->uiDependencyId;
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
-
- if (pWelsSvcRc->iFrameCodedInVGop) {- const int32_t kiHighestTid = pEncCtx->pSvcParam->sDependencyLayers[kiDid].iHighestTemporalId;
- SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
- int32_t iVGopBitrate = 0;
- int32_t iTotalBits = pWelsSvcRc->iPaddingBitrateStat;
- int32_t iTid = 0;
- while (iTid <= kiHighestTid) {- iTotalBits += pTOverRc[iTid].iGopBitsDq;
- ++ iTid;
- }
- int32_t iFrameInVGop = pWelsSvcRc->iFrameCodedInVGop + pWelsSvcRc->iSkipFrameInVGop;
- if (0 != iFrameInVGop)
- iVGopBitrate = WELS_ROUND (iTotalBits / iFrameInVGop * pWelsSvcRc->fFrameRate);
- WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_INFO, "[Rc] VGOPbitrate%d: %d ", kiDid, iVGopBitrate);
- if (iTotalBits > 0) {- iTid = 0;
- while (iTid <= kiHighestTid) {- WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_INFO, "T%d=%8.3f ", iTid, (double) (pTOverRc[iTid].iGopBitsDq / iTotalBits));
- ++ iTid;
- }
- }
- }
+const int32_t kiDid = pEncCtx->uiDependencyId;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
+
+if (pWelsSvcRc->iFrameCodedInVGop) {+const int32_t kiHighestTid = pEncCtx->pSvcParam->sDependencyLayers[kiDid].iHighestTemporalId;
+SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
+int32_t iVGopBitrate = 0;
+int32_t iTotalBits = pWelsSvcRc->iPaddingBitrateStat;
+int32_t iTid = 0;
+while (iTid <= kiHighestTid) {+iTotalBits += pTOverRc[iTid].iGopBitsDq;
+++ iTid;
}
+int32_t iFrameInVGop = pWelsSvcRc->iFrameCodedInVGop + pWelsSvcRc->iSkipFrameInVGop;
+if (0 != iFrameInVGop)
+iVGopBitrate = WELS_ROUND (iTotalBits / iFrameInVGop * pWelsSvcRc->fFrameRate);
+WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_INFO, "[Rc] VGOPbitrate%d: %d ", kiDid, iVGopBitrate);
+if (iTotalBits > 0) {+iTid = 0;
+while (iTid <= kiHighestTid) {+WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_INFO, "T%d=%8.3f ", iTid, (double) (pTOverRc[iTid].iGopBitsDq / iTotalBits));
+++ iTid;
+}
+}
+}
+}
#endif
-
+
void RcUpdateTemporalZero (sWelsEncCtx* pEncCtx) {- const int32_t kiDid = pEncCtx->uiDependencyId;
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
- SSpatialLayerInternal* pDLayerParam = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
- const int32_t kiGopSize = (1 << pDLayerParam->iDecompositionStages);
-
- if (pWelsSvcRc->iPreviousGopSize != kiGopSize) {+const int32_t kiDid = pEncCtx->uiDependencyId;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
+SSpatialLayerInternal* pDLayerParam = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
+const int32_t kiGopSize = (1 << pDLayerParam->iDecompositionStages);
+
+if (pWelsSvcRc->iPreviousGopSize != kiGopSize) {#if GOM_TRACE_FLAG
- RcTraceVGopBitrate (pEncCtx);
+RcTraceVGopBitrate (pEncCtx);
#endif
- RcInitTlWeight (pEncCtx);
- RcInitVGop (pEncCtx);
- } else if (pWelsSvcRc->iGopIndexInVGop == pWelsSvcRc->iGopNumberInVGop || pEncCtx->eSliceType == I_SLICE) {+RcInitTlWeight (pEncCtx);
+RcInitVGop (pEncCtx);
+} else if (pWelsSvcRc->iGopIndexInVGop == pWelsSvcRc->iGopNumberInVGop || pEncCtx->eSliceType == I_SLICE) {#if GOM_TRACE_FLAG
- RcTraceVGopBitrate (pEncCtx);
+RcTraceVGopBitrate (pEncCtx);
#endif
- RcInitVGop (pEncCtx);
- }
- pWelsSvcRc->iGopIndexInVGop++;
+RcInitVGop (pEncCtx);
}
-
-
+pWelsSvcRc->iGopIndexInVGop++;
+}
+
+
void RcInitIdrQp (sWelsEncCtx* pEncCtx) {- double dBpp = 0;
- int32_t i;
-
- //64k@6fps for 90p: bpp 0.74 QP:24
- //192k@12fps for 180p: bpp 0.28 QP:26
- //512k@24fps for 360p: bpp 0.09 QP:30
- //1500k@30fps for 720p: bpp 0.05 QP:32
- double dBppArray[4][3] = {{0.5, 0.75, 1.0}, {0.2, 0.3, 0.4}, {0.05, 0.09, 0.13}, {0.03, 0.06, 0.1}};- int32_t dInitialQPArray[4][4] = {{28, 26, 24, 22}, {30, 28, 26, 24}, {32, 30, 28, 26}, {34, 32, 30, 28}};- int32_t iBppIndex = 0;
-
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
-
- if (pDLayerParam->fFrameRate > EPSN && pDLayerParam->iVideoWidth && pDLayerParam->iVideoHeight)
- dBpp = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParam->fFrameRate * pDLayerParam->iVideoWidth *
- pDLayerParam->iVideoHeight);
- else
- dBpp = 0.1;
-
- //Area*2
- if (pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight <= 28800) // 90p video:160*90
- iBppIndex = 0;
- else if (pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight <= 115200) // 180p video:320*180
- iBppIndex = 1;
- else if (pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight <= 460800) // 360p video:640*360
- iBppIndex = 2;
- else
- iBppIndex = 3;
-
- //Search
- for (i = 0; i < 3; i++) {- if (dBpp <= dBppArray[iBppIndex][i])
- break;
- }
- pWelsSvcRc->iInitialQp = dInitialQPArray[iBppIndex][i];
- pWelsSvcRc->iInitialQp = WELS_CLIP3 (pWelsSvcRc->iInitialQp, MIN_IDR_QP, MAX_IDR_QP);
- pEncCtx->iGlobalQp = pWelsSvcRc->iInitialQp;
- pWelsSvcRc->iQStep = RcConvertQp2QStep (pEncCtx->iGlobalQp);
- pWelsSvcRc->iLastCalculatedQScale = pEncCtx->iGlobalQp;
+double dBpp = 0;
+int32_t i;
+
+//64k@6fps for 90p: bpp 0.74 QP:24
+//192k@12fps for 180p: bpp 0.28 QP:26
+//512k@24fps for 360p: bpp 0.09 QP:30
+//1500k@30fps for 720p: bpp 0.05 QP:32
+double dBppArray[4][3] = {{0.5, 0.75, 1.0}, {0.2, 0.3, 0.4}, {0.05, 0.09, 0.13}, {0.03, 0.06, 0.1}};+int32_t dInitialQPArray[4][4] = {{28, 26, 24, 22}, {30, 28, 26, 24}, {32, 30, 28, 26}, {34, 32, 30, 28}};+int32_t iBppIndex = 0;
+
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
+
+if (pDLayerParam->fFrameRate > EPSN && pDLayerParam->iVideoWidth && pDLayerParam->iVideoHeight)
+dBpp = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParam->fFrameRate * pDLayerParam->iVideoWidth *
+pDLayerParam->iVideoHeight);
+else
+dBpp = 0.1;
+
+//Area*2
+if (pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight <= 28800) // 90p video:160*90
+iBppIndex = 0;
+else if (pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight <= 115200) // 180p video:320*180
+iBppIndex = 1;
+else if (pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight <= 460800) // 360p video:640*360
+iBppIndex = 2;
+else
+iBppIndex = 3;
+
+//Search
+for (i = 0; i < 3; i++) {+if (dBpp <= dBppArray[iBppIndex][i])
+break;
}
-
+pWelsSvcRc->iInitialQp = dInitialQPArray[iBppIndex][i];
+pWelsSvcRc->iInitialQp = WELS_CLIP3 (pWelsSvcRc->iInitialQp, MIN_IDR_QP, MAX_IDR_QP);
+pEncCtx->iGlobalQp = pWelsSvcRc->iInitialQp;
+pWelsSvcRc->iQStep = RcConvertQp2QStep (pEncCtx->iGlobalQp);
+pWelsSvcRc->iLastCalculatedQScale = pEncCtx->iGlobalQp;
+}
+
void RcCalculateIdrQp (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- //obtain the idr qp using previous idr complexity
- if (pWelsSvcRc->iNumberMbFrame != pWelsSvcRc->iIntraMbCount) {- pWelsSvcRc->iIntraComplexity = pWelsSvcRc->iIntraComplexity * pWelsSvcRc->iNumberMbFrame /
- pWelsSvcRc->iIntraMbCount;
- }
- pWelsSvcRc->iInitialQp = RcConvertQStep2Qp (pWelsSvcRc->iIntraComplexity /
- pWelsSvcRc->iTargetBits);
- pWelsSvcRc->iInitialQp = WELS_CLIP3 (pWelsSvcRc->iInitialQp, MIN_IDR_QP, MAX_IDR_QP);
- pEncCtx->iGlobalQp = pWelsSvcRc->iInitialQp;
- pWelsSvcRc->iQStep = RcConvertQp2QStep (pEncCtx->iGlobalQp);
- pWelsSvcRc->iLastCalculatedQScale = pEncCtx->iGlobalQp;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+//obtain the idr qp using previous idr complexity
+if (pWelsSvcRc->iNumberMbFrame != pWelsSvcRc->iIntraMbCount) {+pWelsSvcRc->iIntraComplexity = pWelsSvcRc->iIntraComplexity * pWelsSvcRc->iNumberMbFrame /
+pWelsSvcRc->iIntraMbCount;
}
-
-
+pWelsSvcRc->iInitialQp = RcConvertQStep2Qp (pWelsSvcRc->iIntraComplexity /
+pWelsSvcRc->iTargetBits);
+pWelsSvcRc->iInitialQp = WELS_CLIP3 (pWelsSvcRc->iInitialQp, MIN_IDR_QP, MAX_IDR_QP);
+pEncCtx->iGlobalQp = pWelsSvcRc->iInitialQp;
+pWelsSvcRc->iQStep = RcConvertQp2QStep (pEncCtx->iGlobalQp);
+pWelsSvcRc->iLastCalculatedQScale = pEncCtx->iGlobalQp;
+}
+
+
void RcCalculatePictureQp (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- int32_t iTl = pEncCtx->uiTemporalId;
- SRCTemporal* pTOverRc = &pWelsSvcRc->pTemporalOverRc[iTl];
- int32_t iLumaQp = 0;
-
- if (0 == pTOverRc->iPFrameNum) {- iLumaQp = pWelsSvcRc->iInitialQp;
- } else if (pWelsSvcRc->iCurrentBitsLevel == BITS_EXCEEDED) {- iLumaQp = MAX_LOW_BR_QP;
- //limit QP
- int32_t iLastIdxCodecInVGop = pWelsSvcRc->iFrameCodedInVGop - 1;
- if (iLastIdxCodecInVGop < 0)
- iLastIdxCodecInVGop += VGOP_SIZE;
- int32_t iTlLast = pWelsSvcRc->iTlOfFrames[iLastIdxCodecInVGop];
- int32_t iDeltaQpTemporal = iTl - iTlLast;
- if (0 == iTlLast && iTl > 0)
- iDeltaQpTemporal += 3;
- else if (0 == iTl && iTlLast > 0)
- iDeltaQpTemporal -= 3;
-
- iLumaQp = WELS_CLIP3 (iLumaQp,
- pWelsSvcRc->iLastCalculatedQScale - pWelsSvcRc->iFrameDeltaQpLower + iDeltaQpTemporal,
- pWelsSvcRc->iLastCalculatedQScale + pWelsSvcRc->iFrameDeltaQpUpper + iDeltaQpTemporal);
- iLumaQp = WELS_CLIP3 (iLumaQp, GOM_MIN_QP_MODE, MAX_LOW_BR_QP);
-
- pWelsSvcRc->iQStep = RcConvertQp2QStep (iLumaQp);
- pWelsSvcRc->iLastCalculatedQScale = iLumaQp;
-
- if (pEncCtx->pSvcParam->bEnableAdaptiveQuant) {- iLumaQp = WELS_CLIP3 ((iLumaQp * INT_MULTIPLY - pEncCtx->pVaa->sAdaptiveQuantParam.iAverMotionTextureIndexToDeltaQp) /
- INT_MULTIPLY, GOM_MIN_QP_MODE, MAX_LOW_BR_QP);
- }
-
- pEncCtx->iGlobalQp = iLumaQp;
-
- return;
- } else {- 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->iQStep = WELS_DIV_ROUND ((pTOverRc->iLinearCmplx * iCmplxRatio), (pWelsSvcRc->iTargetBits * INT_MULTIPLY));
- iLumaQp = RcConvertQStep2Qp (pWelsSvcRc->iQStep);
-
- //limit QP
- int32_t iLastIdxCodecInVGop = pWelsSvcRc->iFrameCodedInVGop - 1;
- if (iLastIdxCodecInVGop < 0)
- iLastIdxCodecInVGop += VGOP_SIZE;
- int32_t iTlLast = pWelsSvcRc->iTlOfFrames[iLastIdxCodecInVGop];
- int32_t iDeltaQpTemporal = iTl - iTlLast;
- if (0 == iTlLast && iTl > 0)
- iDeltaQpTemporal += 3;
- else if (0 == iTl && iTlLast > 0)
- iDeltaQpTemporal -= 3;
-
- iLumaQp = WELS_CLIP3 (iLumaQp,
- pWelsSvcRc->iLastCalculatedQScale - pWelsSvcRc->iFrameDeltaQpLower + iDeltaQpTemporal,
- pWelsSvcRc->iLastCalculatedQScale + pWelsSvcRc->iFrameDeltaQpUpper + iDeltaQpTemporal);
- }
-
- iLumaQp = WELS_CLIP3 (iLumaQp, GOM_MIN_QP_MODE, GOM_MAX_QP_MODE);
-
- pWelsSvcRc->iQStep = RcConvertQp2QStep (iLumaQp);
- pWelsSvcRc->iLastCalculatedQScale = iLumaQp;
- if (pEncCtx->pSvcParam->bEnableAdaptiveQuant) {-
- iLumaQp = WELS_DIV_ROUND (iLumaQp * INT_MULTIPLY - pEncCtx->pVaa->sAdaptiveQuantParam.iAverMotionTextureIndexToDeltaQp,
- INT_MULTIPLY);
-
- if (! ((pEncCtx->pSvcParam->iRCMode == RC_BITRATE_MODE) && (pEncCtx->pSvcParam->bEnableFrameSkip == false)))
- iLumaQp = WELS_CLIP3 (iLumaQp, pWelsSvcRc->iMinQp, pWelsSvcRc->iMaxQp);
-
- }
- pEncCtx->iGlobalQp = iLumaQp;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+int32_t iTl = pEncCtx->uiTemporalId;
+SRCTemporal* pTOverRc = &pWelsSvcRc->pTemporalOverRc[iTl];
+int32_t iLumaQp = 0;
+
+if (0 == pTOverRc->iPFrameNum) {+iLumaQp = pWelsSvcRc->iInitialQp;
+} else if (pWelsSvcRc->iCurrentBitsLevel == BITS_EXCEEDED) {+iLumaQp = MAX_LOW_BR_QP;
+//limit QP
+int32_t iLastIdxCodecInVGop = pWelsSvcRc->iFrameCodedInVGop - 1;
+if (iLastIdxCodecInVGop < 0)
+iLastIdxCodecInVGop += VGOP_SIZE;
+int32_t iTlLast = pWelsSvcRc->iTlOfFrames[iLastIdxCodecInVGop];
+int32_t iDeltaQpTemporal = iTl - iTlLast;
+if (0 == iTlLast && iTl > 0)
+iDeltaQpTemporal += 3;
+else if (0 == iTl && iTlLast > 0)
+iDeltaQpTemporal -= 3;
+
+iLumaQp = WELS_CLIP3 (iLumaQp,
+pWelsSvcRc->iLastCalculatedQScale - pWelsSvcRc->iFrameDeltaQpLower + iDeltaQpTemporal,
+pWelsSvcRc->iLastCalculatedQScale + pWelsSvcRc->iFrameDeltaQpUpper + iDeltaQpTemporal);
+iLumaQp = WELS_CLIP3 (iLumaQp, GOM_MIN_QP_MODE, MAX_LOW_BR_QP);
+
+pWelsSvcRc->iQStep = RcConvertQp2QStep (iLumaQp);
+pWelsSvcRc->iLastCalculatedQScale = iLumaQp;
+
+if (pEncCtx->pSvcParam->bEnableAdaptiveQuant) {+iLumaQp = WELS_CLIP3 ((iLumaQp * INT_MULTIPLY - pEncCtx->pVaa->sAdaptiveQuantParam.iAverMotionTextureIndexToDeltaQp) /
+INT_MULTIPLY, GOM_MIN_QP_MODE, MAX_LOW_BR_QP);
}
-
+
+pEncCtx->iGlobalQp = iLumaQp;
+
+return;
+} else {+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->iQStep = WELS_DIV_ROUND ((pTOverRc->iLinearCmplx * iCmplxRatio), (pWelsSvcRc->iTargetBits * INT_MULTIPLY));
+iLumaQp = RcConvertQStep2Qp (pWelsSvcRc->iQStep);
+
+//limit QP
+int32_t iLastIdxCodecInVGop = pWelsSvcRc->iFrameCodedInVGop - 1;
+if (iLastIdxCodecInVGop < 0)
+iLastIdxCodecInVGop += VGOP_SIZE;
+int32_t iTlLast = pWelsSvcRc->iTlOfFrames[iLastIdxCodecInVGop];
+int32_t iDeltaQpTemporal = iTl - iTlLast;
+if (0 == iTlLast && iTl > 0)
+iDeltaQpTemporal += 3;
+else if (0 == iTl && iTlLast > 0)
+iDeltaQpTemporal -= 3;
+
+iLumaQp = WELS_CLIP3 (iLumaQp,
+pWelsSvcRc->iLastCalculatedQScale - pWelsSvcRc->iFrameDeltaQpLower + iDeltaQpTemporal,
+pWelsSvcRc->iLastCalculatedQScale + pWelsSvcRc->iFrameDeltaQpUpper + iDeltaQpTemporal);
+}
+
+iLumaQp = WELS_CLIP3 (iLumaQp, GOM_MIN_QP_MODE, GOM_MAX_QP_MODE);
+
+pWelsSvcRc->iQStep = RcConvertQp2QStep (iLumaQp);
+pWelsSvcRc->iLastCalculatedQScale = iLumaQp;
+if (pEncCtx->pSvcParam->bEnableAdaptiveQuant) {+
+iLumaQp = WELS_DIV_ROUND (iLumaQp * INT_MULTIPLY - pEncCtx->pVaa->sAdaptiveQuantParam.iAverMotionTextureIndexToDeltaQp,
+INT_MULTIPLY);
+
+if (! ((pEncCtx->pSvcParam->iRCMode == RC_BITRATE_MODE) && (pEncCtx->pSvcParam->bEnableFrameSkip == false)))
+iLumaQp = WELS_CLIP3 (iLumaQp, pWelsSvcRc->iMinQp, pWelsSvcRc->iMaxQp);
+
+}
+pEncCtx->iGlobalQp = iLumaQp;
+}
+
void RcInitSliceInformation (sWelsEncCtx* pEncCtx) {- SSliceCtx* pCurSliceCtx = pEncCtx->pCurDqLayer->pSliceEncCtx;
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[0];
- const int32_t kiSliceNum = pWelsSvcRc->iSliceNum;
- const int32_t kiBitsPerMb = WELS_DIV_ROUND (pWelsSvcRc->iTargetBits * INT_MULTIPLY, pWelsSvcRc->iNumberMbFrame);
-
- for (int32_t i = 0; i < kiSliceNum; i++) {- pSOverRc->iStartMbSlice =
- pSOverRc->iEndMbSlice = pCurSliceCtx->pFirstMbInSlice[i];
- pSOverRc->iEndMbSlice += (pCurSliceCtx->pCountMbNumInSlice[i] - 1);
- pSOverRc->iTotalQpSlice = 0;
- pSOverRc->iTotalMbSlice = 0;
- pSOverRc->iTargetBitsSlice = WELS_DIV_ROUND (kiBitsPerMb * pCurSliceCtx->pCountMbNumInSlice[i], INT_MULTIPLY);
- pSOverRc->iFrameBitsSlice = 0;
- pSOverRc->iGomBitsSlice = 0;
- ++ pSOverRc;
- }
+SSliceCtx* pCurSliceCtx = pEncCtx->pCurDqLayer->pSliceEncCtx;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[0];
+const int32_t kiSliceNum = pWelsSvcRc->iSliceNum;
+const int32_t kiBitsPerMb = WELS_DIV_ROUND (pWelsSvcRc->iTargetBits * INT_MULTIPLY, pWelsSvcRc->iNumberMbFrame);
+
+for (int32_t i = 0; i < kiSliceNum; i++) {+pSOverRc->iStartMbSlice =
+pSOverRc->iEndMbSlice = pCurSliceCtx->pFirstMbInSlice[i];
+pSOverRc->iEndMbSlice += (pCurSliceCtx->pCountMbNumInSlice[i] - 1);
+pSOverRc->iTotalQpSlice = 0;
+pSOverRc->iTotalMbSlice = 0;
+pSOverRc->iTargetBitsSlice = WELS_DIV_ROUND (kiBitsPerMb * pCurSliceCtx->pCountMbNumInSlice[i], INT_MULTIPLY);
+pSOverRc->iFrameBitsSlice = 0;
+pSOverRc->iGomBitsSlice = 0;
+++ pSOverRc;
}
-
+}
+
void RcDecideTargetBits (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCTemporal* pTOverRc = &pWelsSvcRc->pTemporalOverRc[pEncCtx->uiTemporalId];
-
- pWelsSvcRc->iCurrentBitsLevel = BITS_NORMAL;
- //allocate bits
- if (pEncCtx->eSliceType == I_SLICE) {- pWelsSvcRc->iTargetBits = WELS_DIV_ROUND (pWelsSvcRc->iBitsPerFrame * IDR_BITRATE_RATIO, INT_MULTIPLY);
- } else {- if (pWelsSvcRc->iRemainingWeights > pTOverRc->iTlayerWeight)
- pWelsSvcRc->iTargetBits = (int32_t) ((int64_t)pWelsSvcRc->iRemainingBits * pTOverRc->iTlayerWeight /
- pWelsSvcRc->iRemainingWeights);
- else //this case should be not hit. needs to more test case to verify this
- pWelsSvcRc->iTargetBits = pWelsSvcRc->iRemainingBits;
- if ((pWelsSvcRc->iTargetBits <= 0) && ((pEncCtx->pSvcParam->iRCMode == RC_BITRATE_MODE)
- && (pEncCtx->pSvcParam->bEnableFrameSkip == false))) {- pWelsSvcRc->iCurrentBitsLevel = BITS_EXCEEDED;
- }
- pWelsSvcRc->iTargetBits = WELS_CLIP3 (pWelsSvcRc->iTargetBits, pTOverRc->iMinBitsTl, pTOverRc->iMaxBitsTl);
- }
- pWelsSvcRc->iRemainingWeights -= pTOverRc->iTlayerWeight;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCTemporal* pTOverRc = &pWelsSvcRc->pTemporalOverRc[pEncCtx->uiTemporalId];
+
+pWelsSvcRc->iCurrentBitsLevel = BITS_NORMAL;
+//allocate bits
+if (pEncCtx->eSliceType == I_SLICE) {+pWelsSvcRc->iTargetBits = WELS_DIV_ROUND (pWelsSvcRc->iBitsPerFrame * IDR_BITRATE_RATIO, INT_MULTIPLY);
+} else {+if (pWelsSvcRc->iRemainingWeights > pTOverRc->iTlayerWeight)
+pWelsSvcRc->iTargetBits = (int32_t) ((int64_t)pWelsSvcRc->iRemainingBits * pTOverRc->iTlayerWeight /
+pWelsSvcRc->iRemainingWeights);
+else //this case should be not hit. needs to more test case to verify this
+pWelsSvcRc->iTargetBits = pWelsSvcRc->iRemainingBits;
+if ((pWelsSvcRc->iTargetBits <= 0) && ((pEncCtx->pSvcParam->iRCMode == RC_BITRATE_MODE)
+&& (pEncCtx->pSvcParam->bEnableFrameSkip == false))) {+pWelsSvcRc->iCurrentBitsLevel = BITS_EXCEEDED;
}
-
-
+pWelsSvcRc->iTargetBits = WELS_CLIP3 (pWelsSvcRc->iTargetBits, pTOverRc->iMinBitsTl, pTOverRc->iMaxBitsTl);
+}
+pWelsSvcRc->iRemainingWeights -= pTOverRc->iTlayerWeight;
+}
+
+
void RcInitGomParameters (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[0];
- const int32_t kiSliceNum = pWelsSvcRc->iSliceNum;
- const int32_t kiGlobalQp = pEncCtx->iGlobalQp;
-
- pWelsSvcRc->iAverageFrameQp = 0;
- pWelsSvcRc->iMinFrameQp = 51;;
- pWelsSvcRc->iMaxFrameQp = 0;
- for (int32_t i = 0; i < kiSliceNum; ++i) {- pSOverRc->iComplexityIndexSlice = 0;
- pSOverRc->iCalculatedQpSlice = kiGlobalQp;
- ++ pSOverRc;
- }
- memset (pWelsSvcRc->pGomComplexity, 0, pWelsSvcRc->iGomSize * sizeof (double));
- memset (pWelsSvcRc->pGomCost, 0, pWelsSvcRc->iGomSize * sizeof (int32_t));
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[0];
+const int32_t kiSliceNum = pWelsSvcRc->iSliceNum;
+const int32_t kiGlobalQp = pEncCtx->iGlobalQp;
+
+pWelsSvcRc->iAverageFrameQp = 0;
+pWelsSvcRc->iMinFrameQp = 51;;
+pWelsSvcRc->iMaxFrameQp = 0;
+for (int32_t i = 0; i < kiSliceNum; ++i) {+pSOverRc->iComplexityIndexSlice = 0;
+pSOverRc->iCalculatedQpSlice = kiGlobalQp;
+++ pSOverRc;
}
-
+memset (pWelsSvcRc->pGomComplexity, 0, pWelsSvcRc->iGomSize * sizeof (double));
+memset (pWelsSvcRc->pGomCost, 0, pWelsSvcRc->iGomSize * sizeof (int32_t));
+}
+
void RcCalculateMbQp (sWelsEncCtx* pEncCtx, SMB* pCurMb, const int32_t kiSliceId) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[kiSliceId];
- int32_t iLumaQp = pSOverRc->iCalculatedQpSlice;
- SDqLayer* pCurLayer = pEncCtx->pCurDqLayer;
- const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
- if (pEncCtx->pSvcParam->bEnableAdaptiveQuant) {- iLumaQp = (int8_t)WELS_CLIP3 (iLumaQp +
- pEncCtx->pVaa->sAdaptiveQuantParam.pMotionTextureIndexToDeltaQp[pCurMb->iMbXY], pWelsSvcRc->iMinQp, 51);
- }
- pCurMb->uiChromaQp = g_kuiChromaQpTable[CLIP3_QP_0_51 (iLumaQp + kuiChromaQpIndexOffset)];
- pCurMb->uiLumaQp = iLumaQp;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[kiSliceId];
+int32_t iLumaQp = pSOverRc->iCalculatedQpSlice;
+SDqLayer* pCurLayer = pEncCtx->pCurDqLayer;
+const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
+if (pEncCtx->pSvcParam->bEnableAdaptiveQuant) {+iLumaQp = (int8_t)WELS_CLIP3 (iLumaQp +
+pEncCtx->pVaa->sAdaptiveQuantParam.pMotionTextureIndexToDeltaQp[pCurMb->iMbXY], pWelsSvcRc->iMinQp, 51);
}
-
+pCurMb->uiChromaQp = g_kuiChromaQpTable[CLIP3_QP_0_51 (iLumaQp + kuiChromaQpIndexOffset)];
+pCurMb->uiLumaQp = iLumaQp;
+}
+
SWelsSvcRc* RcJudgeBaseUsability (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = NULL, *pWelsSvcRc_Base = NULL;
- SSpatialLayerConfig* pDlpBase = NULL, *pDLayerParam = NULL;
- SSpatialLayerInternal* pDlpBaseInternal = NULL;
- if (pEncCtx->uiDependencyId <= 0)
- return NULL;
- pDlpBaseInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId - 1];
- pDlpBase = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId - 1];
- pWelsSvcRc_Base = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId - 1];
- if (pEncCtx->uiTemporalId <= pDlpBaseInternal->iDecompositionStages) {- pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- pWelsSvcRc_Base = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId - 1];
- pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
- pDlpBase = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId - 1];
- if ((pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight / pWelsSvcRc->iNumberMbGom) ==
- (pDlpBase->iVideoWidth * pDlpBase->iVideoHeight / pWelsSvcRc_Base->iNumberMbGom))
- return pWelsSvcRc_Base;
- else
- return NULL;
- } else
- return NULL;
+SWelsSvcRc* pWelsSvcRc = NULL, *pWelsSvcRc_Base = NULL;
+SSpatialLayerConfig* pDlpBase = NULL, *pDLayerParam = NULL;
+SSpatialLayerInternal* pDlpBaseInternal = NULL;
+if (pEncCtx->uiDependencyId <= 0)
+return NULL;
+pDlpBaseInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId - 1];
+pDlpBase = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId - 1];
+pWelsSvcRc_Base = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId - 1];
+if (pEncCtx->uiTemporalId <= pDlpBaseInternal->iDecompositionStages) {+pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+pWelsSvcRc_Base = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId - 1];
+pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
+pDlpBase = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId - 1];
+if ((pDLayerParam->iVideoWidth * pDLayerParam->iVideoHeight / pWelsSvcRc->iNumberMbGom) ==
+(pDlpBase->iVideoWidth * pDlpBase->iVideoHeight / pWelsSvcRc_Base->iNumberMbGom))
+return pWelsSvcRc_Base;
+else
+return NULL;
+} else
+return NULL;
}
-
+
void RcGomTargetBits (sWelsEncCtx* pEncCtx, const int32_t kiSliceId) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SWelsSvcRc* pWelsSvcRc_Base = NULL;
- SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[kiSliceId];
-
- int32_t iAllocateBits = 0;
- int32_t iSumSad = 0;
- int32_t iLastGomIndex = 0;
- int32_t iLeftBits = 0;
- const int32_t kiComplexityIndex = pSOverRc->iComplexityIndexSlice;
- int32_t i;
-
- iLastGomIndex = pSOverRc->iEndMbSlice / pWelsSvcRc->iNumberMbGom;
- iLeftBits = pSOverRc->iTargetBitsSlice - pSOverRc->iFrameBitsSlice;
-
- if (iLeftBits <= 0) {- pSOverRc->iGomTargetBits = 0;
- return;
- } else if (kiComplexityIndex >= iLastGomIndex) {- iAllocateBits = iLeftBits;
- } else {- pWelsSvcRc_Base = RcJudgeBaseUsability (pEncCtx);
- pWelsSvcRc_Base = (pWelsSvcRc_Base) ? pWelsSvcRc_Base : pWelsSvcRc;
- for (i = kiComplexityIndex; i <= iLastGomIndex; i++) {- iSumSad += pWelsSvcRc_Base->pCurrentFrameGomSad[i];
- }
- if (0 == iSumSad)
- iAllocateBits = WELS_DIV_ROUND (iLeftBits, (iLastGomIndex - kiComplexityIndex));
- else
- iAllocateBits = WELS_DIV_ROUND ((int64_t)iLeftBits * pWelsSvcRc_Base->pCurrentFrameGomSad[kiComplexityIndex + 1],
- iSumSad);
-
- }
- pSOverRc->iGomTargetBits = iAllocateBits;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SWelsSvcRc* pWelsSvcRc_Base = NULL;
+SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[kiSliceId];
+
+int32_t iAllocateBits = 0;
+int32_t iSumSad = 0;
+int32_t iLastGomIndex = 0;
+int32_t iLeftBits = 0;
+const int32_t kiComplexityIndex = pSOverRc->iComplexityIndexSlice;
+int32_t i;
+
+iLastGomIndex = pSOverRc->iEndMbSlice / pWelsSvcRc->iNumberMbGom;
+iLeftBits = pSOverRc->iTargetBitsSlice - pSOverRc->iFrameBitsSlice;
+
+if (iLeftBits <= 0) {+pSOverRc->iGomTargetBits = 0;
+return;
+} else if (kiComplexityIndex >= iLastGomIndex) {+iAllocateBits = iLeftBits;
+} else {+pWelsSvcRc_Base = RcJudgeBaseUsability (pEncCtx);
+pWelsSvcRc_Base = (pWelsSvcRc_Base) ? pWelsSvcRc_Base : pWelsSvcRc;
+for (i = kiComplexityIndex; i <= iLastGomIndex; i++) {+iSumSad += pWelsSvcRc_Base->pCurrentFrameGomSad[i];
}
-
-
-
+if (0 == iSumSad)
+iAllocateBits = WELS_DIV_ROUND (iLeftBits, (iLastGomIndex - kiComplexityIndex));
+else
+iAllocateBits = WELS_DIV_ROUND ((int64_t)iLeftBits * pWelsSvcRc_Base->pCurrentFrameGomSad[kiComplexityIndex + 1],
+iSumSad);
+
+}
+pSOverRc->iGomTargetBits = iAllocateBits;
+}
+
+
+
void RcCalculateGomQp (sWelsEncCtx* pEncCtx, SMB* pCurMb, int32_t iSliceId) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[iSliceId];
- int64_t iBitsRatio = 1;
-
- int64_t iLeftBits = pSOverRc->iTargetBitsSlice - pSOverRc->iFrameBitsSlice;
- int64_t iTargetLeftBits = iLeftBits + pSOverRc->iGomBitsSlice - pSOverRc->iGomTargetBits;
-
- if (iLeftBits <= 0) {- pSOverRc->iCalculatedQpSlice += 2;
- } else {- //globe decision
- iBitsRatio = 10000 * iLeftBits / (iTargetLeftBits + 1);
- if (iBitsRatio < 8409) //2^(-1.5/6)*10000
- pSOverRc->iCalculatedQpSlice += 2;
- else if (iBitsRatio < 9439) //2^(-0.5/6)*10000
- pSOverRc->iCalculatedQpSlice += 1;
- else if (iBitsRatio > 10600) //2^(0.5/6)*10000
- pSOverRc->iCalculatedQpSlice -= 1;
- else if (iBitsRatio > 11900) //2^(1.5/6)*10000
- pSOverRc->iCalculatedQpSlice -= 2;
- }
-
- 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)))
- pSOverRc->iCalculatedQpSlice = WELS_CLIP3 (pSOverRc->iCalculatedQpSlice, pWelsSvcRc->iMinQp, pWelsSvcRc->iMaxQp);
-
- pSOverRc->iGomBitsSlice = 0;
-
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[iSliceId];
+int64_t iBitsRatio = 1;
+
+int64_t iLeftBits = pSOverRc->iTargetBitsSlice - pSOverRc->iFrameBitsSlice;
+int64_t iTargetLeftBits = iLeftBits + pSOverRc->iGomBitsSlice - pSOverRc->iGomTargetBits;
+
+if (iLeftBits <= 0) {+pSOverRc->iCalculatedQpSlice += 2;
+} else {+//globe decision
+iBitsRatio = 10000 * iLeftBits / (iTargetLeftBits + 1);
+if (iBitsRatio < 8409) //2^(-1.5/6)*10000
+pSOverRc->iCalculatedQpSlice += 2;
+else if (iBitsRatio < 9439) //2^(-0.5/6)*10000
+pSOverRc->iCalculatedQpSlice += 1;
+else if (iBitsRatio > 10600) //2^(0.5/6)*10000
+pSOverRc->iCalculatedQpSlice -= 1;
+else if (iBitsRatio > 11900) //2^(1.5/6)*10000
+pSOverRc->iCalculatedQpSlice -= 2;
}
-
+
+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)))
+pSOverRc->iCalculatedQpSlice = WELS_CLIP3 (pSOverRc->iCalculatedQpSlice, pWelsSvcRc->iMinQp, pWelsSvcRc->iMaxQp);
+
+pSOverRc->iGomBitsSlice = 0;
+
+}
+
void RcVBufferCalculationSkip (sWelsEncCtx* pEncCtx) {- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
- const int32_t kiOutputBits = WELS_DIV_ROUND (pWelsSvcRc->iBitsPerFrame, INT_MULTIPLY);
- const int32_t kiOutputMaxBits = WELS_DIV_ROUND (pWelsSvcRc->iMaxBitsPerFrame, INT_MULTIPLY);
- //condition 1: whole pBuffer fullness
- pWelsSvcRc->iBufferFullnessSkip += (pWelsSvcRc->iFrameDqBits - kiOutputBits);
- pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] += (pWelsSvcRc->iFrameDqBits - kiOutputMaxBits);
- pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] += (pWelsSvcRc->iFrameDqBits - kiOutputMaxBits);
-
- WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,"[Rc] bits in buffer = %d, bits in Max bitrate buffer = %d",
- pWelsSvcRc->iBufferFullnessSkip,pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW]);
- //condition 2: VGOP bits constraint
- int32_t iVGopBitsPred = 0;
- for (int32_t i = pWelsSvcRc->iFrameCodedInVGop + 1; i < VGOP_SIZE; i++)
- iVGopBitsPred += pTOverRc[pWelsSvcRc->iTlOfFrames[i]].iMinBitsTl;
- iVGopBitsPred -= pWelsSvcRc->iRemainingBits;
- double dIncPercent = iVGopBitsPred * 100.0 * INT_MULTIPLY / (pWelsSvcRc->iBitsPerFrame * VGOP_SIZE) -
- (double)VGOP_BITS_PERCENTAGE_DIFF;
-
- if ((pWelsSvcRc->iBufferFullnessSkip > pWelsSvcRc->iBufferSizeSkip
- && pWelsSvcRc->iAverageFrameQp > pWelsSvcRc->iSkipQpValue)
- || (dIncPercent > pWelsSvcRc->iRcVaryPercentage)) {- pEncCtx->iSkipFrameFlag = 1;
- }
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
+const int32_t kiOutputBits = WELS_DIV_ROUND (pWelsSvcRc->iBitsPerFrame, INT_MULTIPLY);
+const int32_t kiOutputMaxBits = WELS_DIV_ROUND (pWelsSvcRc->iMaxBitsPerFrame, INT_MULTIPLY);
+//condition 1: whole pBuffer fullness
+pWelsSvcRc->iBufferFullnessSkip += (pWelsSvcRc->iFrameDqBits - kiOutputBits);
+pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] += (pWelsSvcRc->iFrameDqBits - kiOutputMaxBits);
+pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] += (pWelsSvcRc->iFrameDqBits - kiOutputMaxBits);
+
+WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG, "[Rc] bits in buffer = %d, bits in Max bitrate buffer = %d",
+pWelsSvcRc->iBufferFullnessSkip, pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW]);
+//condition 2: VGOP bits constraint
+int32_t iVGopBitsPred = 0;
+for (int32_t i = pWelsSvcRc->iFrameCodedInVGop + 1; i < VGOP_SIZE; i++)
+iVGopBitsPred += pTOverRc[pWelsSvcRc->iTlOfFrames[i]].iMinBitsTl;
+iVGopBitsPred -= pWelsSvcRc->iRemainingBits;
+double dIncPercent = iVGopBitsPred * 100.0 * INT_MULTIPLY / (pWelsSvcRc->iBitsPerFrame * VGOP_SIZE) -
+(double)VGOP_BITS_PERCENTAGE_DIFF;
+
+if ((pWelsSvcRc->iBufferFullnessSkip > pWelsSvcRc->iBufferSizeSkip
+&& pWelsSvcRc->iAverageFrameQp > pWelsSvcRc->iSkipQpValue)
+|| (dIncPercent > pWelsSvcRc->iRcVaryPercentage)) {+pEncCtx->iSkipFrameFlag = 1;
}
-
+}
+
void WelsRcFrameDelayJudge (void* pCtx, EVideoFrameType eFrameType, long long uiTimeStamp) {- sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
- SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
- SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
- SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
+sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
+SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
+SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
+
+const int32_t iSentBits = WELS_ROUND (pDLayerParam->iSpatialBitrate / pDLayerParamInternal->fOutputFrameRate);
+const int32_t kiOutputMaxBits = WELS_DIV_ROUND (pWelsSvcRc->iMaxBitsPerFrame, INT_MULTIPLY);
+
+//estimate allowed continual skipped frames in the sequence
+const int32_t iPredSkipFramesTarBr = (WELS_DIV_ROUND (pWelsSvcRc->iBufferFullnessSkip, iSentBits) + 1) >> 1;
+const int32_t iPredSkipFramesMaxBr = (WELS_MAX (WELS_DIV_ROUND (pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW],
+kiOutputMaxBits), 0) + 1) >> 1;
+
+//calculate the remaining bits in TIME_CHECK_WINDOW
+const int32_t iAvailableBitsInTimeWindow = WELS_DIV_ROUND ((TIME_CHECK_WINDOW - pEncCtx->iCheckWindowInterval) *
+pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId].iMaxSpatialBitrate, 1000);
+const int32_t iAvailableBitsInShiftTimeWindow = WELS_DIV_ROUND ((TIME_CHECK_WINDOW - pEncCtx->iCheckWindowIntervalShift)
+*
+pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId].iMaxSpatialBitrate, 1000);
+
+bool bJudgeMaxBRbSkip[TIME_WINDOW_TOTAL];//0: EVEN_TIME_WINDOW; 1: ODD_TIME_WINDOW
+
+/* 4 cases for frame skipping
+1:skipping when buffer size larger than target threshold and current continual skip frames is allowed
+2:skipping when MaxBr buffer size + predict frame size - remaining bits in time window < 0 and current continual skip frames is allowed
+3:if in last ODD_TIME_WINDOW the MAX Br is overflowed, make more strict skipping conditions
+4:such as case 3 in the other window
+*/
+bool bJudgeBufferFullSkip = (pEncCtx->iContinualSkipFrames <= iPredSkipFramesTarBr)
+ && (pWelsSvcRc->iBufferFullnessSkip > pWelsSvcRc->iBufferSizeSkip);
+bool bJudgeMaxBRbufferFullSkip = (pEncCtx->iContinualSkipFrames <= iPredSkipFramesMaxBr)
+ && (pEncCtx->iCheckWindowInterval > TIME_CHECK_WINDOW / 2)
+ && (pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] + pWelsSvcRc->iPredFrameBit - iAvailableBitsInTimeWindow > 0);
+bJudgeMaxBRbSkip[EVEN_TIME_WINDOW] = (pEncCtx->iCheckWindowInterval > TIME_CHECK_WINDOW / 2)
+ && (pWelsSvcRc->bNeedShiftWindowCheck[EVEN_TIME_WINDOW])
+ && (pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] + pWelsSvcRc->iPredFrameBit - iAvailableBitsInTimeWindow +
+ kiOutputMaxBits > 0);
+bJudgeMaxBRbSkip[ODD_TIME_WINDOW] = (pEncCtx->iCheckWindowIntervalShift > TIME_CHECK_WINDOW / 2)
+ && (pWelsSvcRc->bNeedShiftWindowCheck[ODD_TIME_WINDOW])
+ && (pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] + pWelsSvcRc->iPredFrameBit - iAvailableBitsInShiftTimeWindow +
+ kiOutputMaxBits > 0);
- const int32_t iSentBits = WELS_ROUND (pDLayerParam->iSpatialBitrate / pDLayerParamInternal->fOutputFrameRate);
- const int32_t kiOutputMaxBits = WELS_DIV_ROUND (pWelsSvcRc->iMaxBitsPerFrame, INT_MULTIPLY);
-
- //estimate allowed continual skipped frames in the sequence
- const int32_t iPredSkipFramesTarBr = (WELS_DIV_ROUND(pWelsSvcRc->iBufferFullnessSkip, iSentBits) + 1) >> 1;
- const int32_t iPredSkipFramesMaxBr = (WELS_MAX(WELS_DIV_ROUND(pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW], kiOutputMaxBits), 0) + 1) >> 1;
-
- //calculate the remaining bits in TIME_CHECK_WINDOW
- const int32_t iAvailableBitsInTimeWindow = WELS_DIV_ROUND ((TIME_CHECK_WINDOW - pEncCtx->iCheckWindowInterval)*
- pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId].iMaxSpatialBitrate, 1000);
- const int32_t iAvailableBitsInShiftTimeWindow = WELS_DIV_ROUND ((TIME_CHECK_WINDOW - pEncCtx->iCheckWindowIntervalShift)*
- pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId].iMaxSpatialBitrate, 1000);
-
- bool bJudgeMaxBRbSkip[TIME_WINDOW_TOTAL];//0: EVEN_TIME_WINDOW; 1: ODD_TIME_WINDOW
-
- /* 4 cases for frame skipping
- 1:skipping when buffer size larger than target threshold and current continual skip frames is allowed
- 2:skipping when MaxBr buffer size + predict frame size - remaining bits in time window < 0 and current continual skip frames is allowed
- 3:if in last ODD_TIME_WINDOW the MAX Br is overflowed, make more strict skipping conditions
- 4:such as case 3 in the other window
- */
- bool bJudgeBufferFullSkip = (pEncCtx->iContinualSkipFrames <= iPredSkipFramesTarBr) && (pWelsSvcRc->iBufferFullnessSkip > pWelsSvcRc->iBufferSizeSkip);
- bool bJudgeMaxBRbufferFullSkip = (pEncCtx->iContinualSkipFrames <= iPredSkipFramesMaxBr) && (pEncCtx->iCheckWindowInterval > TIME_CHECK_WINDOW / 2)
- && (pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] + pWelsSvcRc->iPredFrameBit - iAvailableBitsInTimeWindow > 0);
- bJudgeMaxBRbSkip[EVEN_TIME_WINDOW] = (pEncCtx->iCheckWindowInterval > TIME_CHECK_WINDOW / 2) && (pWelsSvcRc->bNeedShiftWindowCheck[EVEN_TIME_WINDOW])
- && (pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] + pWelsSvcRc->iPredFrameBit - iAvailableBitsInTimeWindow + kiOutputMaxBits > 0);
- bJudgeMaxBRbSkip[ODD_TIME_WINDOW] = (pEncCtx->iCheckWindowIntervalShift > TIME_CHECK_WINDOW / 2) && (pWelsSvcRc->bNeedShiftWindowCheck[ODD_TIME_WINDOW])
- && (pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] + pWelsSvcRc->iPredFrameBit - iAvailableBitsInShiftTimeWindow + kiOutputMaxBits > 0);
-
- pWelsSvcRc->bSkipFlag = false;
- if (bJudgeBufferFullSkip || bJudgeMaxBRbufferFullSkip || bJudgeMaxBRbSkip[EVEN_TIME_WINDOW] || bJudgeMaxBRbSkip[ODD_TIME_WINDOW]) {- pWelsSvcRc->bSkipFlag = true;
- pWelsSvcRc->iSkipFrameNum++;
- pWelsSvcRc->iSkipFrameInVGop++;
- pWelsSvcRc->iBufferFullnessSkip -= iSentBits;
- pWelsSvcRc->iRemainingBits += iSentBits;
- pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] -= kiOutputMaxBits;
- pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] -= kiOutputMaxBits;
- WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,"[Rc] bits in buffer = %d, bits in Max bitrate buffer = %d, Predict skip frames = %d and %d",
- pWelsSvcRc->iBufferFullnessSkip, pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW], iPredSkipFramesTarBr, iPredSkipFramesMaxBr);
- pWelsSvcRc->iBufferFullnessSkip = WELS_MAX (pWelsSvcRc->iBufferFullnessSkip, 0);
- }
+pWelsSvcRc->bSkipFlag = false;
+if (bJudgeBufferFullSkip || bJudgeMaxBRbufferFullSkip || bJudgeMaxBRbSkip[EVEN_TIME_WINDOW]
+ || bJudgeMaxBRbSkip[ODD_TIME_WINDOW]) {+ pWelsSvcRc->bSkipFlag = true;
+ pWelsSvcRc->iSkipFrameNum++;
+ pWelsSvcRc->iSkipFrameInVGop++;
+ pWelsSvcRc->iBufferFullnessSkip -= iSentBits;
+ pWelsSvcRc->iRemainingBits += iSentBits;
+ pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] -= kiOutputMaxBits;
+ pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] -= kiOutputMaxBits;
+ WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
+ "[Rc] bits in buffer = %d, bits in Max bitrate buffer = %d, Predict skip frames = %d and %d",
+ pWelsSvcRc->iBufferFullnessSkip, pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW], iPredSkipFramesTarBr,
+ iPredSkipFramesMaxBr);
+ pWelsSvcRc->iBufferFullnessSkip = WELS_MAX (pWelsSvcRc->iBufferFullnessSkip, 0);
}
+}
//loop each layer to check if have skip frame when RC and frame skip enable (maxbr>0)
bool CheckFrameSkipBasedMaxbr (void* pCtx, int32_t iSpatialNum, EVideoFrameType eFrameType,
- const uint32_t uiTimeStamp) {- sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
- 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)) {+ const uint32_t uiTimeStamp) {+ sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
+ 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)) {- 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;
- }
+ 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;
+ }
+ return bSkipMustFlag;
}
-void UpdateBufferWhenFrameSkipped(void* pCtx, int32_t iSpatialNum) {+void UpdateBufferWhenFrameSkipped (void* pCtx, int32_t iSpatialNum) {sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
SSpatialPicIndex* pSpatialIndexMap = &pEncCtx->sSpatialIndexMap[0];
@@ -799,8 +810,8 @@
pWelsSvcRc->iBufferFullnessSkip = pWelsSvcRc->iBufferFullnessSkip - kiOutputBits;
pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] -= kiOutputMaxBits;
pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] -= kiOutputMaxBits;
- WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,"[Rc] bits in buffer = %d, bits in Max bitrate buffer = %d",
- pWelsSvcRc->iBufferFullnessSkip,pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW]);
+ WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG, "[Rc] bits in buffer = %d, bits in Max bitrate buffer = %d",
+ pWelsSvcRc->iBufferFullnessSkip, pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW]);
pWelsSvcRc->iBufferFullnessSkip = WELS_MAX (pWelsSvcRc->iBufferFullnessSkip, 0);
@@ -812,10 +823,10 @@
pEncCtx->iContinualSkipFrames++;
}
-void UpdateMaxBrCheckWindowStatus(void* pCtx, int32_t iSpatialNum, const long long uiTimeStamp) {+void UpdateMaxBrCheckWindowStatus (void* pCtx, int32_t iSpatialNum, const long long uiTimeStamp) {sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
SSpatialPicIndex* pSpatialIndexMap = &pEncCtx->sSpatialIndexMap[0];
- if(pEncCtx->bCheckWindowStatusRefreshFlag) {+ if (pEncCtx->bCheckWindowStatusRefreshFlag) {pEncCtx->iCheckWindowCurrentTs = uiTimeStamp;
} else {pEncCtx->iCheckWindowCurrentTs = pEncCtx->iCheckWindowStartTs = uiTimeStamp;
@@ -822,11 +833,13 @@
pEncCtx->bCheckWindowStatusRefreshFlag = true;
}
pEncCtx->iCheckWindowInterval = (int32_t) (pEncCtx->iCheckWindowCurrentTs - pEncCtx->iCheckWindowStartTs);
- if(pEncCtx->iCheckWindowInterval >= (TIME_CHECK_WINDOW >> 1) && !pEncCtx->bCheckWindowShiftResetFlag) {+ if (pEncCtx->iCheckWindowInterval >= (TIME_CHECK_WINDOW >> 1) && !pEncCtx->bCheckWindowShiftResetFlag) {pEncCtx->bCheckWindowShiftResetFlag = true;
for (int32_t i = 0; i < iSpatialNum; i++) {int32_t iCurDid = (pSpatialIndexMap + i)->iDid;
- if (pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[ODD_TIME_WINDOW] > 0 && pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[ODD_TIME_WINDOW] != pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[0]) {+ if (pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[ODD_TIME_WINDOW] > 0
+ && pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[ODD_TIME_WINDOW] !=
+ pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[0]) {pEncCtx->pWelsSvcRc[iCurDid].bNeedShiftWindowCheck[EVEN_TIME_WINDOW] = true;
} else {pEncCtx->pWelsSvcRc[iCurDid].bNeedShiftWindowCheck[EVEN_TIME_WINDOW] = false;
@@ -835,9 +848,9 @@
}
}
pEncCtx->iCheckWindowIntervalShift = pEncCtx->iCheckWindowInterval >= (TIME_CHECK_WINDOW >> 1) ?
- pEncCtx->iCheckWindowInterval - (TIME_CHECK_WINDOW >> 1) : pEncCtx->iCheckWindowInterval + (TIME_CHECK_WINDOW >> 1);
+ pEncCtx->iCheckWindowInterval - (TIME_CHECK_WINDOW >> 1) : pEncCtx->iCheckWindowInterval + (TIME_CHECK_WINDOW >> 1);
- if(pEncCtx->iCheckWindowInterval >= TIME_CHECK_WINDOW || pEncCtx->iCheckWindowInterval == 0) {+ if (pEncCtx->iCheckWindowInterval >= TIME_CHECK_WINDOW || pEncCtx->iCheckWindowInterval == 0) {pEncCtx->iCheckWindowStartTs = pEncCtx->iCheckWindowCurrentTs;
pEncCtx->iCheckWindowInterval = 0;
pEncCtx->bCheckWindowShiftResetFlag = false;
@@ -875,16 +888,19 @@
SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
if (pWelsSvcRc->iPredFrameBit != 0)
- pWelsSvcRc->iPredFrameBit = (int32_t) (LAST_FRAME_PREDICT_WEIGHT * pWelsSvcRc->iFrameDqBits + (1 - LAST_FRAME_PREDICT_WEIGHT) * pWelsSvcRc->iPredFrameBit);
+ pWelsSvcRc->iPredFrameBit = (int32_t) (LAST_FRAME_PREDICT_WEIGHT * pWelsSvcRc->iFrameDqBits +
+ (1 - LAST_FRAME_PREDICT_WEIGHT) * pWelsSvcRc->iPredFrameBit);
else
pWelsSvcRc->iPredFrameBit = pWelsSvcRc->iFrameDqBits;
WelsLog (& (pEncCtx->sLogCtx), WELS_LOG_DEBUG,
- "[Rc] Frame timestamp = %lld, Frame type =%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, pWelsSvcRc->iAverageFrameQp,pWelsSvcRc->iMaxFrameQp,pWelsSvcRc->iMinFrameQp,
- pEncCtx->iFrameIndex, pEncCtx->uiTemporalId, pWelsSvcRc->iFrameDqBits,WELS_DIV_ROUND (pWelsSvcRc->iBitsPerFrame, INT_MULTIPLY),
- pWelsSvcRc->iTargetBits, pWelsSvcRc->iRemainingBits, pWelsSvcRc->iBufferSizeSkip);
+ uiTimeStamp, pEncCtx->eSliceType, pEncCtx->uiDependencyId, pWelsSvcRc->iAverageFrameQp, pWelsSvcRc->iMaxFrameQp,
+ pWelsSvcRc->iMinFrameQp,
+ pEncCtx->iFrameIndex, pEncCtx->uiTemporalId, pWelsSvcRc->iFrameDqBits, WELS_DIV_ROUND (pWelsSvcRc->iBitsPerFrame,
+ INT_MULTIPLY),
+ pWelsSvcRc->iTargetBits, pWelsSvcRc->iRemainingBits, pWelsSvcRc->iBufferSizeSkip);
}
@@ -1062,8 +1078,8 @@
pWelsSvcRc->pGomCost[kiComplexityIndex] += iCostLuma;
- pWelsSvcRc->iMinFrameQp = WELS_MIN(pWelsSvcRc->iMinFrameQp,pCurMb->uiLumaQp);
- pWelsSvcRc->iMaxFrameQp = WELS_MAX(pWelsSvcRc->iMaxFrameQp,pCurMb->uiLumaQp);
+ pWelsSvcRc->iMinFrameQp = WELS_MIN (pWelsSvcRc->iMinFrameQp, pCurMb->uiLumaQp);
+ pWelsSvcRc->iMaxFrameQp = WELS_MAX (pWelsSvcRc->iMaxFrameQp, pCurMb->uiLumaQp);
if (iCurMbBits > 0) {pSOverRc->iTotalQpSlice += pCurMb->uiLumaQp;
pSOverRc->iTotalMbSlice++;
@@ -1161,7 +1177,7 @@
pEncCtx->iGlobalQp = WELS_CLIP3 (iQp, MIN_IDR_QP, MAX_IDR_QP);
} else {int32_t iTargetBits = WELS_ROUND (((float)iBitRate / pDLayerConfig->fFrameRate)); //iBitRate / 10;
- int32_t iQstep = (int32_t)(WELS_DIV_ROUND64 (iFrameCplx * pWelsSvcRc->iAvgCost2Bits, iTargetBits));
+ int32_t iQstep = (int32_t) (WELS_DIV_ROUND64 (iFrameCplx * pWelsSvcRc->iAvgCost2Bits, iTargetBits));
int32_t iQp = RcConvertQStep2Qp (iQstep);
iDeltaQp = iQp - iBaseQp;
if (pWelsSvcRc->iBufferFullnessSkip > iBitRate) {@@ -1215,7 +1231,7 @@
iSentBits = WELS_MAX (iSentBits, 0);
const int32_t iVbufferThRatio = (eFrameType == videoFrameTypeI
- || eFrameType == videoFrameTypeIDR) ? VIRTUAL_BUFFER_HIGH_TH : VIRTUAL_BUFFER_LOW_TH;
+ || 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;
@@ -1227,7 +1243,9 @@
}
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);
+ 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;
}