ref: 12616019b60a87bbcf71c945ea4a0f91ea175a49
parent: 62139f09819f7e09a713fae90aa09c7c22db582f
author: sijchen <sijchen@cisco.com>
date: Fri Mar 28 07:21:30 EDT 2014
Add feature search basic functions
--- a/codec/encoder/core/inc/picture.h
+++ b/codec/encoder/core/inc/picture.h
@@ -39,6 +39,27 @@
#include "wels_common_basis.h"
namespace WelsSVCEnc {+#define LIST_SIZE 0x10000 //(256*256)
+typedef struct TagScreenBlockFeatureStorage
+{+ uint16_t* pFeatureOfBlock; // Feature of every block (8x8), begin with the point
+ uint32_t* pTimesOfFeatureValue; // times of every value in Feature
+ uint16_t** pLocationOfFeature; // uint16_t *pLocationOfFeature[LIST_SIZE], pLocationOfFeature[i] saves all the location(x,y) whose Feature = i;
+ uint16_t* pLocationPointer; // buffer of position array
+ int32_t iActualListSize; // actual list size (8x8 based)
+} SScreenBlockFeatureStorage;
+
+typedef struct TagScreenContentStorage{+ SScreenBlockFeatureStorage sRefBlockFeature[MAX_MULTI_REF_PIC_COUNT];
+ bool bRefBlockFeatureCalculated; // flag of whether pre-process is done
+ uint8_t uiFeatureStrategyIndex;// index of hash strategy
+
+ /* for FME frame-level switch */
+ bool bFMESwitchFlag;
+ uint8_t uiFMEGoodFrameCount;
+ int32_t iHighFreMbCount;
+}SScreenContentStorage;
+
/*
* Reconstructed Picture definition
--- a/codec/encoder/core/inc/svc_enc_frame.h
+++ b/codec/encoder/core/inc/svc_enc_frame.h
@@ -47,10 +47,6 @@
#include "svc_enc_slice_segment.h"
namespace WelsSVCEnc {-/*
- * Need fine adjust below structure later for SVC extension optimization
- */
-
/*
* Frame level in SVC DQLayer instead.
--- a/codec/encoder/core/inc/svc_motion_estimate.h
+++ b/codec/encoder/core/inc/svc_motion_estimate.h
@@ -82,6 +82,39 @@
SMVUnitXY sMv;
} SWelsME;
+typedef struct TagFeatureSearchIn{+ PSampleSadSatdCostFunc pSad;
+
+ uint32_t* pTimesOfFeature;
+ uint16_t** pQpelLocationOfFeature;
+ uint16_t *pMvdCostX;
+ uint16_t *pMvdCostY;
+
+ uint8_t* pEnc;
+ uint8_t* pColoRef;
+ int32_t iEncStride;
+ int32_t iRefStride;
+ uint16_t uiSadCostThresh;
+
+ int32_t iFeatureOfCurrent;
+
+ int32_t iCurPixX;
+ int32_t iCurPixY;
+ int32_t iCurPixXQpel;
+ int32_t iCurPixYQpel;
+
+ int32_t iMinQpelX;
+ int32_t iMinQpelY;
+ int32_t iMaxQpelX;
+ int32_t iMaxQpelY;
+}SFeatureSearchIn;
+
+typedef struct TagFeatureSearchOut{+ SMVUnitXY sBestMv;
+ uint32_t uiBestSadCost;
+ uint8_t* pBestRef;
+}SFeatureSearchOut;
+
#define COST_MVD(table, mx, my) (table[mx] + table[my])
// Function definitions below
--- a/codec/encoder/core/inc/wels_const.h
+++ b/codec/encoder/core/inc/wels_const.h
@@ -150,6 +150,7 @@
#define MAX_LONG_REF_COUNT 2 // 16 in standard, maximal count number of long reference pictures
#define MAX_REF_PIC_COUNT 16 // 32 in standard, maximal Short + Long reference pictures
#define MIN_REF_PIC_COUNT 1 // minimal count number of reference pictures, 1 short + 2 key reference based?
+#define MAX_MULTI_REF_PIC_COUNT 1 //maximum multi-reference number
//#define TOTAL_REF_MINUS_HALF_GOP 1 // last t0 in last gop
#define MAX_MMCO_COUNT 66
--- a/codec/encoder/core/src/svc_motion_estimate.cpp
+++ b/codec/encoder/core/src/svc_motion_estimate.cpp
@@ -66,7 +66,6 @@
//for cross serarch
pFuncList->pfLineFullSearch = LineFullSearch_c;
- pFuncList->pfLineFullSearch = LineFullSearch_c;
if ( uiCpuFlag & WELS_CPU_SSE41 ) {}
}
@@ -171,6 +170,21 @@
return false;
}
+void CalculateSatdCost( PSampleSadSatdCostFunc pSatd, void * vpMe,
+ const int32_t kiEncStride, const int32_t kiRefStride ) {+ SWelsME* pMe = static_cast<SWelsME *>(vpMe);
+ pMe->uSadPredISatd.uiSatd = pSatd(pMe->pEncMb, kiEncStride, pMe->pRefMb, kiRefStride);
+ pMe->uiSatdCost = pMe->uSadPredISatd.uiSatd + COST_MVD (pMe->pMvdCost, pMe->sMv.iMvX - pMe->sMvp.iMvX,
+ pMe->sMv.iMvY - pMe->sMvp.iMvY);
+}
+void NotCalculateSatdCost( PSampleSadSatdCostFunc pSatd, void * vpMe,
+ const int32_t kiEncStride, const int32_t kiRefStride ) {+}
+
+
+/////////////////////////
+// Diamond Search Related
+/////////////////////////
bool WelsMeSadCostSelect (int32_t* iSadCost, const uint16_t* kpMvdCost, int32_t* pBestCost, const int32_t kiDx,
const int32_t kiDy, int32_t* pIx, int32_t* pIy) {int32_t iTempSadCost[4];
@@ -203,8 +217,6 @@
*pIx = -1;
*pIy = 0;
}
-
-
return (*pBestCost == iInputSadCost);
}
@@ -247,18 +259,9 @@
pMe->pRefMb = pRefMb;
}
-void CalculateSatdCost( PSampleSadSatdCostFunc pSatd, void * vpMe,
- const int32_t kiEncStride, const int32_t kiRefStride ) {- SWelsME* pMe = static_cast<SWelsME *>(vpMe);
- pMe->uSadPredISatd.uiSatd = pSatd(pMe->pEncMb, kiEncStride, pMe->pRefMb, kiRefStride);
- pMe->uiSatdCost = pMe->uSadPredISatd.uiSatd + COST_MVD (pMe->pMvdCost, pMe->sMv.iMvX - pMe->sMvp.iMvX,
- pMe->sMv.iMvY - pMe->sMvp.iMvY);
-}
-void NotCalculateSatdCost( PSampleSadSatdCostFunc pSatd, void * vpMe,
- const int32_t kiEncStride, const int32_t kiRefStride ) {-}
-
-
+/////////////////////////
+// DirectionalMv Related
+/////////////////////////
bool CheckDirectionalMv(PSampleSadSatdCostFunc pSad, void * vpMe,
const SMVUnitXY ksMinMv, const SMVUnitXY ksMaxMv, const int32_t kiEncStride, const int32_t kiRefStride,
int32_t& iBestSadCost) {@@ -287,6 +290,9 @@
return false;
}
+/////////////////////////
+// Cross Search Related
+/////////////////////////
void VerticalFullSearchUsingSSE41( void *pFunc, void *vpMe,
uint16_t* pMvdTable, const int32_t kiFixedMvd,
const int32_t kiEncStride, const int32_t kiRefStride,
@@ -360,4 +366,130 @@
false );
}
}
+
+/////////////////////////
+// Feature Search Related
+/////////////////////////
+void SetFeatureSearchIn( SWelsFuncPtrList *pFunc, const SWelsME& sMe,
+ const SSlice *pSlice, SScreenBlockFeatureStorage* pRefFeatureStorage,
+ const int32_t kiEncStride, const int32_t kiRefStride,
+ SFeatureSearchIn* pFeatureSearchIn ) {+ pFeatureSearchIn->pSad = pFunc->sSampleDealingFuncs.pfSampleSad[sMe.uiBlockSize];
+ //pFeatureSearchIn->iFeatureOfCurrent=
+
+ pFeatureSearchIn->pEnc = sMe.pEncMb;
+ pFeatureSearchIn->pColoRef = sMe.pColoRefMb;
+ pFeatureSearchIn->iEncStride = kiEncStride;
+ pFeatureSearchIn->iRefStride = kiRefStride;
+ pFeatureSearchIn->uiSadCostThresh = sMe.uiSadCostThreshold;
+
+ pFeatureSearchIn->iCurPixX = sMe.iCurMeBlockPixX;
+ pFeatureSearchIn->iCurPixXQpel = (pFeatureSearchIn->iCurPixX<<2);
+ pFeatureSearchIn->iCurPixY = sMe.iCurMeBlockPixY;
+ pFeatureSearchIn->iCurPixYQpel = (pFeatureSearchIn->iCurPixY<<2);
+
+ pFeatureSearchIn->pTimesOfFeature = pRefFeatureStorage->pTimesOfFeatureValue;
+ pFeatureSearchIn->pQpelLocationOfFeature = pRefFeatureStorage->pLocationOfFeature;
+ pFeatureSearchIn->pMvdCostX = sMe.pMvdCost - pFeatureSearchIn->iCurPixXQpel - sMe.sMvp.iMvX;
+ pFeatureSearchIn->pMvdCostY = sMe.pMvdCost - pFeatureSearchIn->iCurPixYQpel - sMe.sMvp.iMvY;
+
+ pFeatureSearchIn->iMinQpelX = pFeatureSearchIn->iCurPixXQpel+((pSlice->sMvStartMin.iMvX)<<2);
+ pFeatureSearchIn->iMinQpelY = pFeatureSearchIn->iCurPixYQpel+((pSlice->sMvStartMin.iMvY)<<2);
+ pFeatureSearchIn->iMaxQpelX = pFeatureSearchIn->iCurPixXQpel+((pSlice->sMvStartMax.iMvX)<<2);
+ pFeatureSearchIn->iMaxQpelY = pFeatureSearchIn->iCurPixYQpel+((pSlice->sMvStartMax.iMvY)<<2);
+}
+void SaveFeatureSearchOut( const SMVUnitXY sBestMv, const uint32_t uiBestSadCost, uint8_t* pRef, SFeatureSearchOut* pFeatureSearchOut) {+ pFeatureSearchOut->sBestMv = sBestMv;
+ pFeatureSearchOut->uiBestSadCost = uiBestSadCost;
+ pFeatureSearchOut->pBestRef = pRef;
+}
+bool FeatureSearchOne( SFeatureSearchIn &sFeatureSearchIn, const int32_t iFeatureDifference, const uint32_t kuiExpectedSearchTimes,
+ SFeatureSearchOut* pFeatureSearchOut) {+ const int32_t iFeatureOfRef = (sFeatureSearchIn.iFeatureOfCurrent + iFeatureDifference);
+ if(iFeatureOfRef < 0 || iFeatureOfRef >= LIST_SIZE)
+ return true;
+
+ PSampleSadSatdCostFunc pSad = sFeatureSearchIn.pSad;
+ uint8_t* pEnc = sFeatureSearchIn.pEnc;
+ uint8_t* pColoRef = sFeatureSearchIn.pColoRef;
+ const int32_t iEncStride= sFeatureSearchIn.iEncStride;
+ const int32_t iRefStride = sFeatureSearchIn.iRefStride;
+ const uint16_t uiSadCostThresh = sFeatureSearchIn.uiSadCostThresh;
+
+ const int32_t iCurPixX = sFeatureSearchIn.iCurPixX;
+ const int32_t iCurPixY = sFeatureSearchIn.iCurPixY;
+ const int32_t iCurPixXQpel = sFeatureSearchIn.iCurPixXQpel;
+ const int32_t iCurPixYQpel = sFeatureSearchIn.iCurPixYQpel;
+
+ const int32_t iMinQpelX = sFeatureSearchIn.iMinQpelX;
+ const int32_t iMinQpelY = sFeatureSearchIn.iMinQpelY;
+ const int32_t iMaxQpelX = sFeatureSearchIn.iMaxQpelX;
+ const int32_t iMaxQpelY = sFeatureSearchIn.iMaxQpelY;
+
+ const int32_t iSearchTimes = WELS_MIN(sFeatureSearchIn.pTimesOfFeature[iFeatureOfRef], kuiExpectedSearchTimes);
+ const int32_t iSearchTimesx2 = (iSearchTimes<<1);
+ const uint16_t* pQpelPosition = sFeatureSearchIn.pQpelLocationOfFeature[iFeatureOfRef];
+
+ SMVUnitXY sBestMv;
+ uint32_t uiBestCost, uiTmpCost;
+ uint8_t *pBestRef, *pCurRef;
+ int32_t iQpelX, iQpelY;
+ int32_t iIntepelX, iIntepelY;
+ int32_t i;
+
+ sBestMv.iMvX = pFeatureSearchOut->sBestMv.iMvX;
+ sBestMv.iMvY = pFeatureSearchOut->sBestMv.iMvY;
+ uiBestCost = pFeatureSearchOut->uiBestSadCost;
+ pBestRef = pFeatureSearchOut->pBestRef;
+
+ for( i = 0; i < iSearchTimesx2; i+=2) {+ iQpelX = pQpelPosition[i];
+ iQpelY = pQpelPosition[i+1];
+
+ if((iQpelX > iMaxQpelX) || (iQpelX < iMinQpelX)
+ || (iQpelY > iMaxQpelY) || (iQpelY < iMinQpelY)
+ || (iQpelX == iCurPixXQpel) || (iQpelY == iCurPixYQpel) )
+ continue;
+
+ uiTmpCost = sFeatureSearchIn.pMvdCostX[ iQpelX ] + sFeatureSearchIn.pMvdCostY[ iQpelY ];
+ if(uiTmpCost + iFeatureDifference >= uiBestCost)
+ continue;
+
+ iIntepelX = (iQpelX>>2) - iCurPixX;
+ iIntepelY = (iQpelY>>2) - iCurPixY;
+ pCurRef = &pColoRef[iIntepelX + iIntepelY * iRefStride];
+ uiTmpCost += pSad( pEnc, iEncStride, pCurRef, iRefStride );
+ if( uiTmpCost < uiBestCost ) {+ sBestMv.iMvX = iIntepelX;
+ sBestMv.iMvY = iIntepelY;
+ uiBestCost = uiTmpCost;
+ pBestRef = pCurRef;
+
+ if(uiBestCost < uiSadCostThresh)
+ break;
+ }
+ }
+ SaveFeatureSearchOut(sBestMv, uiBestCost, pBestRef, pFeatureSearchOut);
+ return (i < iSearchTimesx2);
+}
+
+
+void MotionEstimateFeatureFullSearchScc( SFeatureSearchIn &sFeatureSearchIn,
+ const uint32_t kiMaxSearchPoint,
+ SWelsME* pMe) {+ SFeatureSearchOut sFeatureSearchOut = {0};+ sFeatureSearchOut.uiBestSadCost = pMe->uiSadCost;
+ sFeatureSearchOut.sBestMv = pMe->sMv;
+ sFeatureSearchOut.pBestRef = pMe->pRefMb;
+
+ FeatureSearchOne( sFeatureSearchIn, 0, kiMaxSearchPoint, &sFeatureSearchOut );
+ if ( sFeatureSearchOut.uiBestSadCost < pMe->uiSadCost ) {+ UpdateMeResults(sFeatureSearchOut.sBestMv,
+ sFeatureSearchOut.uiBestSadCost, sFeatureSearchOut.pBestRef,
+ pMe);
+ }
+}
+
+
} // namespace WelsSVCEnc
+