ref: a15ad8cc80773b251f88798e364668cc175c0738
dir: /codec/encoder/core/src/wels_preprocess.cpp/
/*!
* \copy
* Copyright (c) 2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#if defined(WIN32)
#include <windows.h>
#elif defined(MACOS)
#include "bundleloader.h"
#elif defined(__GNUC__)
#include <dlfcn.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "wels_preprocess.h"
#include "memory_align.h"
#include "encoder.h"
#include "extern.h"
#include "picture_handle.h"
#include "encoder_context.h"
#include "utils.h"
#ifdef NO_DYNAMIC_VP
EResult WELSAPI CreateVpInterface (void **ppCtx, int iVersion);
EResult WELSAPI DestroyVpInterface (void **ppCtx, int iVersion);
#endif
namespace WelsSVCEnc {
#define WelsSafeDelete(p) if(p){ delete (p); (p) = NULL; }
//***** entry API declaration ************************************************************************//
typedef EResult (WELSAPI *pfnCreateVpInterface) (void **, int );
typedef EResult (WELSAPI *pfnDestroyVpInterface) (void * , int );
int32_t WelsInitScaledPic( SWelsSvcCodingParam *pParam, Scaled_Picture *pScaledPic, CMemoryAlign *pMemoryAlign );
bool_t JudgeNeedOfScaling( SWelsSvcCodingParam *pParam, Scaled_Picture * pScaledPic );
void FreeScaledPic( Scaled_Picture *pScaledPic, CMemoryAlign *pMemoryAlign );
//******* table definition ***********************************************************************//
const uint8_t g_kuiRefTemporalIdx[MAX_TEMPORAL_LEVEL][MAX_GOP_SIZE] =
{
{ 0, }, // 0
{ 0, 0, }, // 1
{ 0, 0, 0, 1, }, // 2
{ 0, 0, 0, 2, 0, 1, 1, 2, }, // 3
{ 0, 0, 0, 3, 0, 2, 2, 3, 0, 1, 1, 3, 1, 2, 2, 3 } // 4
};
const int32_t g_kiPixMapSizeInBits = sizeof(uint8_t) * 8;
inline void WelsUpdateSpatialIdxMap(sWelsEncCtx * pEncCtx, int32_t iPos, SPicture * pPic, int32_t iDidx)
{
pEncCtx->sSpatialIndexMap[iPos].pSrc = pPic;
pEncCtx->sSpatialIndexMap[iPos].iDid = iDidx;
}
//***************************************************************************************************//
CWelsLib::CWelsLib(void *pEncCtx)
{
m_pInterface[0] = m_pInterface[1] = NULL;
#ifndef NO_DYNAMIC_VP
#if defined(WIN32)
const str_t WelsVPLib[] = "welsvp.dll";
HMODULE shModule = LoadLibrary(WelsVPLib);
if(!shModule)
WelsLog( pEncCtx, WELS_LOG_ERROR, "welsvp load lib dynamic failed module=%x\n", shModule );
#elif defined(MACOS)
const str_t WelsVPLib[] = "welsvp.bundle";
str_t pCurPath[256];
GetCurrentModulePath(pCurPath, 256);
strlcat(pCurPath, WelsVPLib, 256);
CFBundleRef shModule = LoadBundle(pCurPath);
if(!shModule)
WelsLog( pEncCtx, WELS_LOG_ERROR, "welsvp load lib dynamic failed module=%x\n", shModule );
#elif defined(__GNUC__)
const str_t WelsVPLib[] = "./libwelsvp.so";
void* shModule = NULL;
shModule = dlopen(WelsVPLib, RTLD_LAZY);
if (shModule == NULL)
printf("dlopen %s iRet=%x, err=%s\n", WelsVPLib, shModule, dlerror());
#endif
m_pVpLib = (void *)shModule;
#endif
}
CWelsLib::~CWelsLib()
{
if (m_pVpLib)
{
#if defined(WIN32)
HMODULE shModule = (HMODULE)m_pVpLib;
FreeLibrary(shModule);
#elif defined(MACOS)
CFBundleRef shModule = (CFBundleRef)m_pVpLib;
FreeBundle(shModule);
#elif defined(__GNUC__)
void* shModule = m_pVpLib;
dlclose(shModule);
#endif
m_pVpLib = NULL;
}
}
void* CWelsLib::QueryFunction(const str_t *pName)
{
void *pFunc = NULL;
if (m_pVpLib)
{
#if defined(WIN32)
HMODULE shModule = (HMODULE)m_pVpLib;
pFunc = (void *)GetProcAddress(shModule, pName);
#elif defined(MACOS)
CFBundleRef shModule = (CFBundleRef)m_pVpLib;
pFunc = (void *)GetProcessAddress(shModule, pName);
#elif defined(__GNUC__)
void* shModule = m_pVpLib;
pFunc = (void *)dlsym(shModule, pName);
if (pFunc == NULL)
printf("dlsym %s iRet=%p, err=%s\n", shModule, pFunc, dlerror());
#endif
}
return pFunc;
}
int32_t CWelsLib::CreateIface(void **ppEncCtx)
{
#ifndef NO_DYNAMIC_VP
if (m_pVpLib)
{
#endif
pfnCreateVpInterface pCreateVpInterface = NULL;
pfnDestroyVpInterface pDestroyVpInterface = NULL;
#ifndef NO_DYNAMIC_VP
pCreateVpInterface = (pfnCreateVpInterface) QueryFunction("CreateVpInterface");
pDestroyVpInterface = (pfnDestroyVpInterface) QueryFunction("DestroyVpInterface");
#else
pCreateVpInterface = CreateVpInterface;
// TODO([email protected]): This cast corrects a signature difference... This is a potential real problem
pDestroyVpInterface = (pfnDestroyVpInterface)DestroyVpInterface;
#endif
m_pInterface[0] = (void *)pCreateVpInterface;
m_pInterface[1] = (void *)pDestroyVpInterface;
if (m_pInterface[0] && m_pInterface[1])
pCreateVpInterface(ppEncCtx, WELSVP_INTERFACE_VERION);
#ifndef NO_DYNAMIC_VP
}
else
{
}
#endif
return ppEncCtx ? 0 : 1;
}
int32_t CWelsLib::DestroyIface(void *pEncCtx)
{
if (pEncCtx)
{
pfnDestroyVpInterface pDestroyVpInterface = (pfnDestroyVpInterface) m_pInterface[1];
if (pDestroyVpInterface)
{
pDestroyVpInterface(pEncCtx, WELSVP_INTERFACE_VERION);
}
else
{
}
}
return 0;
}
/***************************************************************************
*
* implement of the interface
*
***************************************************************************/
CWelsPreProcess::CWelsPreProcess(void *pEncCtx)
{
m_pInterfaceVp = NULL;
m_pEncLib = NULL;
m_bInitDone = false;
m_bOfficialBranch = FALSE;
m_pEncCtx = pEncCtx;
memset(&m_sScaledPicture, 0, sizeof(m_sScaledPicture));
}
CWelsPreProcess::~CWelsPreProcess()
{
FreeScaledPic(&m_sScaledPicture, static_cast<sWelsEncCtx *>(m_pEncCtx)->pMemAlign);
WelsPreprocessDestroy();
}
int32_t CWelsPreProcess::WelsPreprocessCreate()
{
if (m_pEncLib == NULL && m_pInterfaceVp == NULL)
{
m_pEncLib = new CWelsLib(m_pEncCtx);
if (!m_pEncLib)
goto exit;
m_pEncLib->CreateIface((void **)&m_pInterfaceVp);
if (!m_pInterfaceVp)
goto exit;
}
else
goto exit;
return 0;
exit:
WelsPreprocessDestroy();
return 1;
}
int32_t CWelsPreProcess::WelsPreprocessDestroy()
{
if (m_pEncLib)
{
m_pEncLib->DestroyIface((void *)m_pInterfaceVp);
m_pInterfaceVp = NULL;
WelsSafeDelete(m_pEncLib);
}
return 0;
}
int32_t CWelsPreProcess::WelsPreprocessReset ( void *pCtx )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
int32_t iRet = -1;
if (pEncCtx)
{
FreeScaledPic(&m_sScaledPicture, pEncCtx->pMemAlign);
iRet = InitLastSpatialPictures(pEncCtx);
iRet = WelsInitScaledPic(pEncCtx->pSvcParam, &m_sScaledPicture, pEncCtx->pMemAlign);
}
return iRet;
}
int32_t CWelsPreProcess::WelsPreprocessStep1( void *pCtx, const SSourcePicture **kppSrcPicList, const int32_t kiConfiguredLayerNum )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
SWelsSvcCodingParam *pSvcParam = pEncCtx->pSvcParam;
int32_t iNumDependencyLayer = (int32_t)pSvcParam->iNumDependencyLayer;
int32_t iSpatialNum = 0;
if (!m_bInitDone)
{
if (WelsPreprocessCreate() != 0)
return -1;
if (WelsPreprocessReset(pEncCtx) != 0)
return -1;
m_bOfficialBranch = (iNumDependencyLayer != kiConfiguredLayerNum);
if ( !m_bOfficialBranch && (iNumDependencyLayer == 1) )
{
// check the input source uiSize to decide if need switch to official branch
// NOTICE: the layernum=1 case is confused in official/non-official cases!
SSourcePicture **pic_queue = (SSourcePicture **)kppSrcPicList;
for (int32_t i=0; i<iNumDependencyLayer; i++)
{
if ( pSvcParam->sDependencyLayers[i].iFrameWidth != pic_queue[i]->iPicWidth ||
pSvcParam->sDependencyLayers[i].iFrameHeight != pic_queue[i]->iPicHeight )
{
m_bOfficialBranch = TRUE;
break;
}
}
}
m_bInitDone = TRUE;
}
if (m_pInterfaceVp == NULL)
return -1;
if ( kiConfiguredLayerNum <= 0 )
return -1;
pEncCtx->pVaa->bSceneChangeFlag = pEncCtx->pVaa->bIdrPeriodFlag = false;
if( pSvcParam->uiIntraPeriod )
pEncCtx->pVaa->bIdrPeriodFlag = ( 1 + pEncCtx->iFrameIndex >= (int32_t)pSvcParam->uiIntraPeriod ) ? true : false;
if ( m_bOfficialBranch ) // Perform Down Sampling potentially due to application
{
assert( kiConfiguredLayerNum == 1 );
iSpatialNum = SingleLayerPreprocess( pEncCtx, kppSrcPicList[0], &m_sScaledPicture );
}
else // for console each spatial pictures are available there
{
iSpatialNum = kiConfiguredLayerNum;
MultiLayerPreprocess( pEncCtx, kppSrcPicList, iSpatialNum );
}
return iSpatialNum;
}
int32_t CWelsPreProcess::WelsPreprocessStep3( void *pCtx, const int32_t kiDidx )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
SWelsSvcCodingParam *pSvcParam = pEncCtx->pSvcParam;
bool_t bNeededMbAq = (pSvcParam->bEnableAdaptiveQuant && (pEncCtx->eSliceType == P_SLICE));
bool_t bCalculateBGD = (pEncCtx->eSliceType == P_SLICE && pSvcParam->bEnableBackgroundDetection);
int32_t iCurTemporalIdx = pEncCtx->uiSpatialLayersInTemporal[kiDidx] - 1;
int32_t iRefTemporalIdx = (int32_t)g_kuiRefTemporalIdx[pSvcParam->iDecompStages][pEncCtx->iCodingIndex & (pSvcParam->uiGopSize-1)];
if ( pEncCtx->uiTemporalId == 0 && pEncCtx->pLtr[pEncCtx->uiDependencyId].bReceivedT0LostFlag )
iRefTemporalIdx = pEncCtx->uiSpatialLayersInTemporal[kiDidx] + pEncCtx->pVaa->uiValidLongTermPicIdx;
SPicture *pCurPic = pEncCtx->pSpatialPic[kiDidx][iCurTemporalIdx];
SPicture *pRefPic = pEncCtx->pSpatialPic[kiDidx][iRefTemporalIdx];
{
SPicture *pLastPic= m_pLastSpatialPicture[kiDidx][0];
bool_t bCalculateSQDiff = ((pLastPic->pData[0] == pRefPic->pData[0]) && bNeededMbAq);
bool_t bCalculateVar = (pSvcParam->iRCMode == RC_MODE1 && pEncCtx->eSliceType == I_SLICE);
VaaCalculation( pEncCtx->pVaa, pCurPic, pRefPic, bCalculateSQDiff, bCalculateVar, bCalculateBGD);
}
if (pSvcParam->bEnableBackgroundDetection)
{
BackgroundDetection(pEncCtx->pVaa, pCurPic, pRefPic, bCalculateBGD && pRefPic->iPictureType != I_SLICE);
}
if ( bNeededMbAq )
{
SPicture *pCurPic = m_pLastSpatialPicture[kiDidx][1];
SPicture *pRefPic = m_pLastSpatialPicture[kiDidx][0];
AdaptiveQuantCalculation( pEncCtx->pVaa, pCurPic, pRefPic );
}
if ( pSvcParam->bEnableRc )
{
AnalyzePictureComplexity( pEncCtx, pCurPic, pRefPic, kiDidx, bCalculateBGD );
}
WelsExchangeSpatialPictures( &m_pLastSpatialPicture[kiDidx][1], &m_pLastSpatialPicture[kiDidx][0] );
return 0;
}
/*
* SingleLayerPreprocess: down sampling if applicable
* @return: exact number of spatial layers need to encoder indeed
*/
int32_t CWelsPreProcess::SingleLayerPreprocess( void *pCtx, const SSourcePicture *kpSrc, Scaled_Picture * pScaledPicture )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
SWelsSvcCodingParam *pSvcParam = pEncCtx->pSvcParam;
int8_t iDependencyId = pSvcParam->iNumDependencyLayer - 1;
int32_t iPicturePos = pEncCtx->uiSpatialLayersInTemporal[iDependencyId] - 1;
SPicture *pSrcPic = NULL; // large
SPicture *pDstPic = NULL; // small
SDLayerParam *pDlayerParam = NULL;
int32_t iSpatialNum = 0;
int32_t iSrcWidth = 0;
int32_t iSrcHeight = 0;
int32_t iTargetWidth = 0;
int32_t iTargetHeight = 0;
int32_t iTemporalId = 0;
int32_t iActualSpatialLayerNum = 0;
pDlayerParam = &pSvcParam->sDependencyLayers[iDependencyId];
iTargetWidth = pDlayerParam->iFrameWidth;
iTargetHeight = pDlayerParam->iFrameHeight;
iTemporalId = pDlayerParam->uiCodingIdx2TemporalId[pEncCtx->iCodingIndex & (pSvcParam->uiGopSize-1)];
iSrcWidth = pSvcParam->SUsedPicRect.iWidth;
iSrcHeight = pSvcParam->SUsedPicRect.iHeight;
pSrcPic = pScaledPicture->pScaledInputPicture ? pScaledPicture->pScaledInputPicture : pEncCtx->pSpatialPic[iDependencyId][iPicturePos];
WelsMoveMemoryWrapper( pSvcParam, pSrcPic, kpSrc, iSrcWidth, iSrcHeight );
if( pSvcParam->bEnableDenoise )
BilateralDenoising(pSrcPic, iSrcWidth, iSrcHeight);
// different scaling in between input picture and dst highest spatial picture.
int32_t iShrinkWidth = iSrcWidth;
int32_t iShrinkHeight = iSrcHeight;
pDstPic = pSrcPic;
if ( pScaledPicture->pScaledInputPicture )
{
// for highest downsampling
pDstPic = pEncCtx->pSpatialPic[iDependencyId][iPicturePos];
iShrinkWidth = pScaledPicture->iScaledWidth[iDependencyId];
iShrinkHeight = pScaledPicture->iScaledHeight[iDependencyId];
}
DownsamplePadding(pSrcPic, pDstPic, iSrcWidth, iSrcHeight, iShrinkWidth, iShrinkHeight, iTargetWidth, iTargetHeight);
if(pSvcParam->bEnableSceneChangeDetect && !pEncCtx->pVaa->bIdrPeriodFlag && !(pEncCtx->iCodingIndex & (pSvcParam->uiGopSize-1))){
SPicture *pRefPic = pEncCtx->pLtr[iDependencyId].bReceivedT0LostFlag ?
pEncCtx->pSpatialPic[iDependencyId][pEncCtx->uiSpatialLayersInTemporal[iDependencyId] + pEncCtx->pVaa->uiValidLongTermPicIdx] : m_pLastSpatialPicture[iDependencyId][0];
pEncCtx->pVaa->bSceneChangeFlag = DetectSceneChange(pDstPic, pRefPic);
}
for( int32_t i=0;i<pSvcParam->iNumDependencyLayer;i++ ){
if( pSvcParam->sDependencyLayers[i].uiCodingIdx2TemporalId[pEncCtx->iCodingIndex & (pSvcParam->uiGopSize-1)]
!= INVALID_TEMPORAL_ID ){
++ iActualSpatialLayerNum;
}
}
if ( iTemporalId != INVALID_TEMPORAL_ID )
{
WelsUpdateSpatialIdxMap(pEncCtx, iActualSpatialLayerNum - 1, pDstPic, iDependencyId);
++ iSpatialNum;
-- iActualSpatialLayerNum;
}
m_pLastSpatialPicture[iDependencyId][1] = pEncCtx->pSpatialPic[iDependencyId][iPicturePos];
-- iDependencyId;
// generate other spacial layer
// pSrc is
// -- padded input pic, if downsample should be applied to generate highest layer, [if] block above
// -- highest layer, if no downsampling, [else] block above
if ( pSvcParam->iNumDependencyLayer > 1 )
{
while (iDependencyId >= 0)
{
pDlayerParam = &pSvcParam->sDependencyLayers[iDependencyId];
iTargetWidth = pDlayerParam->iFrameWidth;
iTargetHeight = pDlayerParam->iFrameHeight;
iTemporalId = pDlayerParam->uiCodingIdx2TemporalId[pEncCtx->iCodingIndex & (pSvcParam->uiGopSize-1)];
iPicturePos = pEncCtx->uiSpatialLayersInTemporal[iDependencyId] - 1;
// NOT work for CGS, FIXME
// spatial layer is able to encode indeed
if ( (iTemporalId != INVALID_TEMPORAL_ID) )
{
// down sampling performed
if( NULL == pSrcPic )
return -1;
pDstPic = pEncCtx->pSpatialPic[iDependencyId][iPicturePos]; // small
iShrinkWidth = pScaledPicture->iScaledWidth[iDependencyId];
iShrinkHeight = pScaledPicture->iScaledHeight[iDependencyId];
DownsamplePadding(pSrcPic, pDstPic, iSrcWidth, iSrcHeight, iShrinkWidth, iShrinkHeight, iTargetWidth, iTargetHeight);
WelsUpdateSpatialIdxMap(pEncCtx, iActualSpatialLayerNum - 1, pDstPic, iDependencyId);
-- iActualSpatialLayerNum;
++ iSpatialNum;
m_pLastSpatialPicture[iDependencyId][1] = pEncCtx->pSpatialPic[iDependencyId][iPicturePos];
}
-- iDependencyId;
}
}
return iSpatialNum;
}
int32_t CWelsPreProcess::MultiLayerPreprocess( void *pCtx, const SSourcePicture **kppSrcPicList, const int32_t kiSpatialNum )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
SWelsSvcCodingParam *pSvcParam = pEncCtx->pSvcParam;
const SSourcePicture *pSrc = NULL;
SPicture *pDstPic = NULL;
const int32_t iSpatialLayersCfgCount = pSvcParam->iNumDependencyLayer; // count number of spatial layers to be encoded in cfg
int32_t i = 0;
int32_t j = -1;
do {
pSrc = kppSrcPicList[i];
// do not clear j, just let it continue to save complexity
do {
++ j;
if ( pSvcParam->sDependencyLayers[j].iFrameWidth == pSrc->iPicWidth &&
pSvcParam->sDependencyLayers[j].iFrameHeight== pSrc->iPicHeight )
{
break;
}
} while( j < iSpatialLayersCfgCount );
assert( j < iSpatialLayersCfgCount );
pDstPic = pEncCtx->pSpatialPic[j][pEncCtx->uiSpatialLayersInTemporal[j]-1];
WelsUpdateSpatialIdxMap(pEncCtx, i, pDstPic, j);
WelsMoveMemoryWrapper( pSvcParam, pDstPic, pSrc, pSrc->iPicWidth, pSrc->iPicHeight );
if(pSvcParam->bEnableDenoise)
BilateralDenoising(pDstPic, pSrc->iPicWidth, pSrc->iPicHeight);
m_pLastSpatialPicture[j][1] = pDstPic;
++ i;
} while( i < kiSpatialNum );
if( pSvcParam->bEnableSceneChangeDetect && (kiSpatialNum == pSvcParam->iNumDependencyLayer) && !pEncCtx->pVaa->bIdrPeriodFlag )
{
SPicture *pRef = pEncCtx->pLtr[0].bReceivedT0LostFlag ?
pEncCtx->pSpatialPic[0][pEncCtx->uiSpatialLayersInTemporal[0] + pEncCtx->pVaa->uiValidLongTermPicIdx] : m_pLastSpatialPicture[0][0];
pEncCtx->pVaa->bSceneChangeFlag = DetectSceneChange(pDstPic, pRef);
}
return 0;
}
/*!
* \brief Whether input picture need be scaled?
*/
bool_t JudgeNeedOfScaling( SWelsSvcCodingParam *pParam, Scaled_Picture * pScaledPicture )
{
const int32_t kiInputPicWidth = pParam->SUsedPicRect.iWidth;
const int32_t kiInputPicHeight = pParam->SUsedPicRect.iHeight;
const int32_t kiDstPicWidth = pParam->sDependencyLayers[pParam->iNumDependencyLayer-1].iActualWidth;
const int32_t kiDstPicHeight = pParam->sDependencyLayers[pParam->iNumDependencyLayer-1].iActualHeight;
bool_t bNeedDownsampling = true;
int32_t iSpatialIdx = pParam->iNumDependencyLayer-1;
if ( kiDstPicWidth >= kiInputPicWidth && kiDstPicHeight >= kiInputPicHeight )
{
iSpatialIdx --; // highest D layer do not need downsampling
bNeedDownsampling = false;
}
for(; iSpatialIdx >= 0; iSpatialIdx --)
{
SDLayerParam *pCurLayer = &pParam->sDependencyLayers[iSpatialIdx];
int32_t iCurDstWidth = pCurLayer->iActualWidth;
int32_t iCurDstHeight = pCurLayer->iActualHeight;
int32_t iInputWidthXDstHeight = kiInputPicWidth * iCurDstHeight;
int32_t iInputHeightXDstWidth = kiInputPicHeight * iCurDstWidth;
if (iInputWidthXDstHeight > iInputHeightXDstWidth)
{
pScaledPicture->iScaledWidth[iSpatialIdx] = iCurDstWidth;
pScaledPicture->iScaledHeight[iSpatialIdx] = iInputHeightXDstWidth / kiInputPicWidth;
}else {
pScaledPicture->iScaledWidth[iSpatialIdx] = iInputWidthXDstHeight / kiInputPicHeight;
pScaledPicture->iScaledHeight[iSpatialIdx] = iCurDstHeight;
}
}
return bNeedDownsampling;
}
int32_t WelsInitScaledPic( SWelsSvcCodingParam *pParam, Scaled_Picture *pScaledPicture, CMemoryAlign *pMemoryAlign )
{
bool_t bInputPicNeedScaling = JudgeNeedOfScaling( pParam, pScaledPicture );
if( bInputPicNeedScaling )
{
pScaledPicture->pScaledInputPicture = AllocPicture(pMemoryAlign, pParam->SUsedPicRect.iWidth, pParam->SUsedPicRect.iHeight, false);
if( pScaledPicture->pScaledInputPicture == NULL )
return -1;
}
return 0;
}
void FreeScaledPic(Scaled_Picture *pScaledPicture, CMemoryAlign *pMemoryAlign)
{
if ( pScaledPicture->pScaledInputPicture )
{
FreePicture( pMemoryAlign, &pScaledPicture->pScaledInputPicture );
pScaledPicture->pScaledInputPicture = NULL;
}
}
int32_t CWelsPreProcess::InitLastSpatialPictures( void *pCtx )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
SWelsSvcCodingParam *pParam = pEncCtx->pSvcParam;
const int32_t kiDlayerCount = pParam->iNumDependencyLayer;
int32_t iDlayerIndex = 0;
for (; iDlayerIndex<kiDlayerCount; iDlayerIndex++)
{
const int32_t kiLayerInTemporal = pEncCtx->uiSpatialLayersInTemporal[iDlayerIndex];
m_pLastSpatialPicture[iDlayerIndex][0] = pEncCtx->pSpatialPic[iDlayerIndex][kiLayerInTemporal - 2];
m_pLastSpatialPicture[iDlayerIndex][1] = NULL;
}
for (; iDlayerIndex<MAX_DEPENDENCY_LAYER; iDlayerIndex++)
{
m_pLastSpatialPicture[iDlayerIndex][0] = m_pLastSpatialPicture[iDlayerIndex][1] = NULL;
}
return 0;
}
//*********************************************************************************************************/
int32_t CWelsPreProcess::ColorspaceConvert(SWelsSvcCodingParam * pSvcParam, SPicture *pDstPic, const SSourcePicture *kpSrc, const int32_t kiWidth, const int32_t kiHeight )
{
return 1;
//not support yet
}
void CWelsPreProcess::BilateralDenoising ( SPicture *pSrc, const int32_t kiWidth, const int32_t kiHeight )
{
int32_t iMethodIdx = METHOD_DENOISE;
SPixMap sSrcPixMap = {0};
sSrcPixMap.pPixel[0] = pSrc->pData[0];
sSrcPixMap.pPixel[1] = pSrc->pData[1];
sSrcPixMap.pPixel[2] = pSrc->pData[2];
sSrcPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sSrcPixMap.sRect.iRectWidth = kiWidth;
sSrcPixMap.sRect.iRectHeight = kiHeight;
sSrcPixMap.iStride[0] = pSrc->iLineSize[0];
sSrcPixMap.iStride[1] = pSrc->iLineSize[1];
sSrcPixMap.iStride[2] = pSrc->iLineSize[2];
sSrcPixMap.eFormat = VIDEO_FORMAT_I420;
m_pInterfaceVp->Process(iMethodIdx, &sSrcPixMap, NULL);
}
bool_t CWelsPreProcess::DetectSceneChange( SPicture *pCurPicture, SPicture *pRefPicture )
{
bool_t bSceneChangeFlag = false;
int32_t iMethodIdx = METHOD_SCENE_CHANGE_DETECTION;
SSceneChangeResult sSceneChangeDetectResult = {0};
SPixMap sSrcPixMap = {0};
SPixMap sRefPixMap = {0};
sSrcPixMap.pPixel[0] = pCurPicture->pData[0];
sSrcPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sSrcPixMap.iStride[0] = pCurPicture->iLineSize[0];
sSrcPixMap.sRect.iRectWidth = pCurPicture->iWidthInPixel;
sSrcPixMap.sRect.iRectHeight = pCurPicture->iHeightInPixel;
sSrcPixMap.eFormat = VIDEO_FORMAT_I420;
sRefPixMap.pPixel[0] = pRefPicture->pData[0];
sRefPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sRefPixMap.iStride[0] = pRefPicture->iLineSize[0];
sRefPixMap.sRect.iRectWidth = pRefPicture->iWidthInPixel;
sRefPixMap.sRect.iRectHeight = pRefPicture->iHeightInPixel;
sRefPixMap.eFormat = VIDEO_FORMAT_I420;
int32_t iRet = m_pInterfaceVp->Process(iMethodIdx, &sSrcPixMap, &sRefPixMap);
if (iRet == 0)
{
m_pInterfaceVp->Get(iMethodIdx, (void*)&sSceneChangeDetectResult);
bSceneChangeFlag = sSceneChangeDetectResult.bSceneChangeFlag ? true : false;
}
return bSceneChangeFlag;
}
int32_t CWelsPreProcess::DownsamplePadding( SPicture *pSrc, SPicture *pDstPic, int32_t iSrcWidth, int32_t iSrcHeight,
int32_t iShrinkWidth, int32_t iShrinkHeight, int32_t iTargetWidth, int32_t iTargetHeight )
{
int32_t iRet = 0;
SPixMap sSrcPixMap = {0};
SPixMap sDstPicMap = {0};
sSrcPixMap.pPixel[0] = pSrc->pData[0];
sSrcPixMap.pPixel[1] = pSrc->pData[1];
sSrcPixMap.pPixel[2] = pSrc->pData[2];
sSrcPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sSrcPixMap.sRect.iRectWidth = iSrcWidth;
sSrcPixMap.sRect.iRectHeight = iSrcHeight;
sSrcPixMap.iStride[0] = pSrc->iLineSize[0];
sSrcPixMap.iStride[1] = pSrc->iLineSize[1];
sSrcPixMap.iStride[2] = pSrc->iLineSize[2];
sSrcPixMap.eFormat = VIDEO_FORMAT_I420;
if (iSrcWidth != iShrinkWidth || iSrcHeight != iShrinkHeight)
{
int32_t iMethodIdx = METHOD_DOWNSAMPLE;
sDstPicMap.pPixel[0] = pDstPic->pData[0];
sDstPicMap.pPixel[1] = pDstPic->pData[1];
sDstPicMap.pPixel[2] = pDstPic->pData[2];
sDstPicMap.iSizeInBits = g_kiPixMapSizeInBits;
sDstPicMap.sRect.iRectWidth = iShrinkWidth;
sDstPicMap.sRect.iRectHeight = iShrinkHeight;
sDstPicMap.iStride[0] = pDstPic->iLineSize[0];
sDstPicMap.iStride[1] = pDstPic->iLineSize[1];
sDstPicMap.iStride[2] = pDstPic->iLineSize[2];
sDstPicMap.eFormat = VIDEO_FORMAT_I420;
iRet = m_pInterfaceVp->Process(iMethodIdx, &sSrcPixMap, &sDstPicMap);
}
else
{
memcpy(&sDstPicMap, &sSrcPixMap, sizeof(sDstPicMap)); // confirmed_safe_unsafe_usage
}
// get rid of odd line
iShrinkWidth -= (iShrinkWidth & 1);
iShrinkHeight -= (iShrinkHeight & 1);
Padding( (uint8_t *)sDstPicMap.pPixel[0], (uint8_t *)sDstPicMap.pPixel[1], (uint8_t *)sDstPicMap.pPixel[2],
sDstPicMap.iStride[0], sDstPicMap.iStride[1], iShrinkWidth, iTargetWidth, iShrinkHeight, iTargetHeight);
return iRet;
}
//*********************************************************************************************************/
void CWelsPreProcess::VaaCalculation(SVAAFrameInfo *pVaaInfo, SPicture *pCurPicture, SPicture *pRefPicture,
bool_t bCalculateSQDiff, bool_t bCalculateVar, bool_t bCalculateBGD)
{
pVaaInfo->sVaaCalcInfo.pCurY = pCurPicture->pData[0];
pVaaInfo->sVaaCalcInfo.pRefY = pRefPicture->pData[0];
{
int32_t iMethodIdx = METHOD_VAA_STATISTICS;
SPixMap sCurPixMap = {0};
SPixMap sRefPixMap = {0};
SVAACalcParam calc_param = {0};
sCurPixMap.pPixel[0] = pCurPicture->pData[0];
sCurPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sCurPixMap.sRect.iRectWidth = pCurPicture->iWidthInPixel;
sCurPixMap.sRect.iRectHeight = pCurPicture->iHeightInPixel;
sCurPixMap.iStride[0] = pCurPicture->iLineSize[0];
sCurPixMap.eFormat = VIDEO_FORMAT_I420;
sRefPixMap.pPixel[0] = pRefPicture->pData[0];
sRefPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sRefPixMap.sRect.iRectWidth = pRefPicture->iWidthInPixel;
sRefPixMap.sRect.iRectHeight = pRefPicture->iHeightInPixel;
sRefPixMap.iStride[0] = pRefPicture->iLineSize[0];
sRefPixMap.eFormat = VIDEO_FORMAT_I420;
calc_param.iCalcVar = bCalculateVar;
calc_param.iCalcBgd = bCalculateBGD;
calc_param.iCalcSsd = bCalculateSQDiff;
calc_param.pCalcResult = &pVaaInfo->sVaaCalcInfo;
m_pInterfaceVp->Set(iMethodIdx, &calc_param);
m_pInterfaceVp->Process(iMethodIdx, &sCurPixMap, &sRefPixMap);
}
}
void CWelsPreProcess::BackgroundDetection( SVAAFrameInfo *pVaaInfo, SPicture *pCurPicture, SPicture *pRefPicture, bool_t bDetectFlag )
{
if (bDetectFlag)
{
pVaaInfo->iPicWidth = pCurPicture->iWidthInPixel;
pVaaInfo->iPicHeight = pCurPicture->iHeightInPixel;
pVaaInfo->iPicStride = pCurPicture->iLineSize[0];
pVaaInfo->iPicStrideUV = pCurPicture->iLineSize[1];
pVaaInfo->pCurY = pCurPicture->pData[0];
pVaaInfo->pRefY = pRefPicture->pData[0];
pVaaInfo->pCurU = pCurPicture->pData[1];
pVaaInfo->pRefU = pRefPicture->pData[1];
pVaaInfo->pCurV = pCurPicture->pData[2];
pVaaInfo->pRefV = pRefPicture->pData[2];
int32_t iMethodIdx = METHOD_BACKGROUND_DETECTION;
SPixMap sSrcPixMap = {0};
SPixMap sRefPixMap = {0};
SBGDInterface BGDParam = {0};
sSrcPixMap.pPixel[0] = pCurPicture->pData[0];
sSrcPixMap.pPixel[1] = pCurPicture->pData[1];
sSrcPixMap.pPixel[2] = pCurPicture->pData[2];
sSrcPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sSrcPixMap.iStride[0] = pCurPicture->iLineSize[0];
sSrcPixMap.iStride[1] = pCurPicture->iLineSize[1];
sSrcPixMap.iStride[2] = pCurPicture->iLineSize[2];
sSrcPixMap.sRect.iRectWidth = pCurPicture->iWidthInPixel;
sSrcPixMap.sRect.iRectHeight = pCurPicture->iHeightInPixel;
sSrcPixMap.eFormat = VIDEO_FORMAT_I420;
sRefPixMap.pPixel[0] = pRefPicture->pData[0];
sRefPixMap.pPixel[1] = pRefPicture->pData[1];
sRefPixMap.pPixel[2] = pRefPicture->pData[2];
sRefPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sRefPixMap.iStride[0] = pRefPicture->iLineSize[0];
sRefPixMap.iStride[1] = pRefPicture->iLineSize[1];
sRefPixMap.iStride[2] = pRefPicture->iLineSize[2];
sRefPixMap.sRect.iRectWidth = pRefPicture->iWidthInPixel;
sRefPixMap.sRect.iRectHeight = pRefPicture->iHeightInPixel;
sRefPixMap.eFormat = VIDEO_FORMAT_I420;
BGDParam.pBackgroundMbFlag = pVaaInfo->pVaaBackgroundMbFlag;
BGDParam.pCalcRes = &(pVaaInfo->sVaaCalcInfo);
m_pInterfaceVp->Set(iMethodIdx, (void*)&BGDParam);
m_pInterfaceVp->Process(iMethodIdx, &sSrcPixMap, &sRefPixMap);
}
else
{
int32_t iPicWidthInMb = (pCurPicture->iWidthInPixel + 15) >> 4;
int32_t iPicHeightInMb= (pCurPicture->iHeightInPixel+ 15) >> 4;
memset(pVaaInfo->pVaaBackgroundMbFlag, 0, iPicWidthInMb * iPicHeightInMb);
}
}
void CWelsPreProcess::AdaptiveQuantCalculation( SVAAFrameInfo *pVaaInfo, SPicture *pCurPicture, SPicture *pRefPicture )
{
pVaaInfo->sAdaptiveQuantParam.pCalcResult = &(pVaaInfo->sVaaCalcInfo);
pVaaInfo->sAdaptiveQuantParam.dAverMotionTextureIndexToDeltaQp = 0;
{
int32_t iMethodIdx = METHOD_ADAPTIVE_QUANT;
SPixMap pSrc = {0};
SPixMap pRef = {0};
int32_t iRet = 0;
pSrc.pPixel[0] = pCurPicture->pData[0];
pSrc.iSizeInBits = g_kiPixMapSizeInBits;
pSrc.iStride[0] = pCurPicture->iLineSize[0];
pSrc.sRect.iRectWidth = pCurPicture->iWidthInPixel;
pSrc.sRect.iRectHeight = pCurPicture->iHeightInPixel;
pSrc.eFormat = VIDEO_FORMAT_I420;
pRef.pPixel[0] = pRefPicture->pData[0];
pRef.iSizeInBits = g_kiPixMapSizeInBits;
pRef.iStride[0] = pRefPicture->iLineSize[0];
pRef.sRect.iRectWidth = pRefPicture->iWidthInPixel;
pRef.sRect.iRectHeight = pRefPicture->iHeightInPixel;
pRef.eFormat = VIDEO_FORMAT_I420;
iRet = m_pInterfaceVp->Set(iMethodIdx, (void*)&(pVaaInfo->sAdaptiveQuantParam));
iRet = m_pInterfaceVp->Process(iMethodIdx, &pSrc, &pRef);
if (iRet == 0)
m_pInterfaceVp->Get(iMethodIdx, (void*)&(pVaaInfo->sAdaptiveQuantParam));
}
}
void CWelsPreProcess::SetRefMbType( void *pCtx, uint32_t **pRefMbTypeArray, int32_t iRefPicType )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
const uint8_t uiTid = pEncCtx->uiTemporalId;
const uint8_t uiDid = pEncCtx->uiDependencyId;
SRefList *pRefPicLlist = pEncCtx->ppRefPicListExt[uiDid];
SLTRState* pLtr = &pEncCtx->pLtr[uiDid];
uint8_t i = 0;
if (pEncCtx->pSvcParam->bEnableLongTermReference && pLtr->bReceivedT0LostFlag && uiTid == 0)
{
for ( i = 0;i <pRefPicLlist->uiLongRefCount;i++ )
{
SPicture *pRef = pRefPicLlist->pLongRefList[i];
if ( pRef != NULL && pRef->uiRecieveConfirmed == 1/*RECIEVE_SUCCESS*/)
{
*pRefMbTypeArray = pRef->uiRefMbType;
break;
}
}
}
else
{
for ( i = 0; i < pRefPicLlist->uiShortRefCount; i++ )
{
SPicture *pRef = pRefPicLlist->pShortRefList[i];
if ( pRef != NULL && pRef->bUsedAsRef && pRef->iFramePoc >= 0 && pRef->uiTemporalId <= uiTid)
{
*pRefMbTypeArray = pRef->uiRefMbType;
break;
}
}
}
}
void CWelsPreProcess::AnalyzePictureComplexity( void *pCtx, SPicture *pCurPicture, SPicture *pRefPicture, const int32_t kiDependencyId, const bool_t bCalculateBGD )
{
sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx;
SWelsSvcCodingParam *pSvcParam= pEncCtx->pSvcParam;
SVAAFrameInfo *pVaaInfo = pEncCtx->pVaa;
SComplexityAnalysisParam *sComplexityAnalysisParam = &(pVaaInfo->sComplexityAnalysisParam);
SWelsSvcRc *SWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDependencyId];
int32_t iComplexityAnalysisMode = 0;
if( pSvcParam->iRCMode == RC_MODE0 && pEncCtx->eSliceType == P_SLICE )
{
iComplexityAnalysisMode = FRAME_SAD;
}
else if ( pSvcParam->iRCMode == RC_MODE1 && pEncCtx->eSliceType == P_SLICE )
{
iComplexityAnalysisMode = GOM_SAD;
}
else if ( pSvcParam->iRCMode == RC_MODE1 && pEncCtx->eSliceType == I_SLICE )
{
iComplexityAnalysisMode = GOM_VAR;
}
else
{
return;
}
sComplexityAnalysisParam->iComplexityAnalysisMode = iComplexityAnalysisMode;
sComplexityAnalysisParam->pCalcResult = &(pVaaInfo->sVaaCalcInfo);
sComplexityAnalysisParam->pBackgroundMbFlag = pVaaInfo->pVaaBackgroundMbFlag;
SetRefMbType(pEncCtx, &(sComplexityAnalysisParam->uiRefMbType), pRefPicture->iPictureType);
sComplexityAnalysisParam->iCalcBgd = bCalculateBGD;
sComplexityAnalysisParam->iFrameComplexity = 0;
memset(SWelsSvcRc->pGomForegroundBlockNum, 0, SWelsSvcRc->iGomSize*sizeof(int32_t));
if ( iComplexityAnalysisMode != FRAME_SAD )
memset( SWelsSvcRc->pCurrentFrameGomSad, 0, SWelsSvcRc->iGomSize*sizeof(int32_t) );
sComplexityAnalysisParam->pGomComplexity = SWelsSvcRc->pCurrentFrameGomSad;
sComplexityAnalysisParam->pGomForegroundBlockNum = SWelsSvcRc->pGomForegroundBlockNum;
sComplexityAnalysisParam->iMbNumInGom = SWelsSvcRc->iNumberMbGom;
{
int32_t iMethodIdx = METHOD_COMPLEXITY_ANALYSIS;
SPixMap sSrcPixMap = {0};
SPixMap sRefPixMap = {0};
int32_t iRet = 0;
sSrcPixMap.pPixel[0] = pCurPicture->pData[0];
sSrcPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sSrcPixMap.iStride[0] = pCurPicture->iLineSize[0];
sSrcPixMap.sRect.iRectWidth = pCurPicture->iWidthInPixel;
sSrcPixMap.sRect.iRectHeight = pCurPicture->iHeightInPixel;
sSrcPixMap.eFormat = VIDEO_FORMAT_I420;
sRefPixMap.pPixel[0] = pRefPicture->pData[0];
sRefPixMap.iSizeInBits = g_kiPixMapSizeInBits;
sRefPixMap.iStride[0] = pRefPicture->iLineSize[0];
sRefPixMap.sRect.iRectWidth = pRefPicture->iWidthInPixel;
sRefPixMap.sRect.iRectHeight = pRefPicture->iHeightInPixel;
sRefPixMap.eFormat = VIDEO_FORMAT_I420;
iRet = m_pInterfaceVp->Set(iMethodIdx, (void*)sComplexityAnalysisParam);
iRet = m_pInterfaceVp->Process(iMethodIdx, &sSrcPixMap, &sRefPixMap);
if (iRet == 0)
m_pInterfaceVp->Get(iMethodIdx, (void*)sComplexityAnalysisParam);
}
}
void CWelsPreProcess::Padding(uint8_t * pSrcY, uint8_t * pSrcU, uint8_t * pSrcV, int32_t iStrideY, int32_t iStrideUV,
int32_t iActualWidth, int32_t iPaddingWidth, int32_t iActualHeight, int32_t iPaddingHeight)
{
int32_t i;
if( iPaddingHeight > iActualHeight ){
for( i=iActualHeight;i<iPaddingHeight;i++ ){
memset(pSrcY + i*iStrideY, 0, iActualWidth);
if( !(i&1) ){
memset(pSrcU + i/2*iStrideUV, 0x80, iActualWidth/2);
memset(pSrcV + i/2*iStrideUV, 0x80, iActualWidth/2);
}
}
}
if( iPaddingWidth > iActualWidth ){
for( i=0;i<iPaddingHeight;i++ ){
memset(pSrcY + i*iStrideY + iActualWidth, 0, iPaddingWidth - iActualWidth);
if( !(i&1) ){
memset(pSrcU + i/2*iStrideUV + iActualWidth/2, 0x80, (iPaddingWidth - iActualWidth)/2);
memset(pSrcV + i/2*iStrideUV + iActualWidth/2, 0x80, (iPaddingWidth - iActualWidth)/2);
}
}
}
}
//TODO: may opti later
//TODO: not use this func?
void * WelsMemcpy( void *dst, const void *kpSrc, uint32_t uiSize)
{
return ::memcpy(dst, kpSrc, uiSize);
}
void * WelsMemset( void * p, int32_t val, uint32_t uiSize)
{
return ::memset(p, val, uiSize);
}
//i420_to_i420_c
void WelsMoveMemory_c(uint8_t * pDstY, uint8_t * pDstU, uint8_t * pDstV, int32_t iDstStrideY, int32_t iDstStrideUV,
uint8_t * pSrcY, uint8_t * pSrcU, uint8_t * pSrcV, int32_t iSrcStrideY, int32_t iSrcStrideUV, int32_t iWidth, int32_t iHeight )
{
int32_t iWidth2 = iWidth >> 1;
int32_t iHeight2 = iHeight >> 1;
int32_t j;
for( j=iHeight;j;j-- )
{
WelsMemcpy(pDstY, pSrcY, iWidth);
pDstY += iDstStrideY;
pSrcY += iSrcStrideY;
}
for( j=iHeight2;j;j-- )
{
WelsMemcpy(pDstU, pSrcU, iWidth2);
WelsMemcpy(pDstV, pSrcV, iWidth2);
pDstU += iDstStrideUV;
pDstV += iDstStrideUV;
pSrcU += iSrcStrideUV;
pSrcV += iSrcStrideUV;
}
}
//vp's padding
void VPpadding(uint8_t * pSrcPtr, int32_t iCurWidth, int32_t iTargetWidth, int32_t iCurHeight, int32_t iTargetHeight,
int32_t iStride, uint8_t uiStuffValue)
{
uint8_t *pTmp;
if( iTargetWidth > iCurWidth )
{
pTmp = pSrcPtr + iCurWidth;
for( int32_t i = 0; i < iCurHeight; i++ )
{
WelsMemset(pTmp, uiStuffValue, iTargetWidth - iCurWidth);
pTmp += iStride;
}
}
if( iTargetHeight > iCurHeight )
{
pTmp = pSrcPtr + iCurHeight * iStride;
for( int32_t i = iCurHeight; i < iTargetHeight;i++ )
{
WelsMemset(pTmp, uiStuffValue, iTargetWidth);
pTmp += iStride;
}
}
}
void CWelsPreProcess::WelsMoveMemoryWrapper(SWelsSvcCodingParam * pSvcParam, SPicture *pDstPic, const SSourcePicture *kpSrc,
const int32_t kiTargetWidth, const int32_t kiTargetHeight )
{
if (VIDEO_FORMAT_I420!=(kpSrc->iColorFormat & (~VIDEO_FORMAT_VFlip)))
return;
int32_t iSrcWidth = kpSrc->iPicWidth;
int32_t iSrcHeight = kpSrc->iPicHeight;
if ( iSrcHeight > kiTargetHeight ) iSrcHeight = kiTargetHeight;
if ( iSrcWidth > kiTargetWidth ) iSrcWidth = kiTargetWidth;
// copy from fr26 to fix the odd uiSize failed issue
if( iSrcWidth & 0x1 ) -- iSrcWidth;
if( iSrcHeight & 0x1 ) -- iSrcHeight;
const int32_t kiSrcTopOffsetY = pSvcParam->SUsedPicRect.iTop;
const int32_t kiSrcTopOffsetUV = (kiSrcTopOffsetY>>1);
const int32_t kiSrcLeftOffsetY = pSvcParam->SUsedPicRect.iLeft;
const int32_t kiSrcLeftOffsetUV = (kiSrcLeftOffsetY>>1);
int32_t iSrcOffset[3] = {0,0,0};
iSrcOffset[0] = kpSrc->iStride[0]*kiSrcTopOffsetY + kiSrcLeftOffsetY;
iSrcOffset[1] = kpSrc->iStride[1]*kiSrcTopOffsetUV + kiSrcLeftOffsetUV ;
iSrcOffset[2] = kpSrc->iStride[2]*kiSrcTopOffsetUV + kiSrcLeftOffsetUV;
uint8_t * pSrcY = kpSrc->pData[0] + iSrcOffset[0];
uint8_t * pSrcU = kpSrc->pData[1] + iSrcOffset[1];
uint8_t * pSrcV = kpSrc->pData[2] + iSrcOffset[2];
const int32_t kiSrcStrideY = kpSrc->iStride[0];
const int32_t kiSrcStrideUV= kpSrc->iStride[1];
uint8_t * pDstY = pDstPic->pData[0];
uint8_t * pDstU = pDstPic->pData[1];
uint8_t * pDstV = pDstPic->pData[2];
const int32_t kiDstStrideY = pDstPic->iLineSize[0];
const int32_t kiDstStrideUV = pDstPic->iLineSize[1];
#define MAX_WIDTH (4096)
#define MAX_HEIGHT (2304)//MAX_FS_LEVEL51 (36864); MAX_FS_LEVEL51*256/4096 = 2304
if (pSrcY)
{
if (iSrcWidth <= 0 || iSrcWidth > MAX_WIDTH || iSrcHeight <= 0 || iSrcHeight > MAX_HEIGHT)
return;
if (kiSrcTopOffsetY >= iSrcHeight || kiSrcLeftOffsetY>= iSrcWidth || iSrcWidth > kiSrcStrideY )
return;
}
if (pDstY)
{
if (kiTargetWidth <= 0 || kiTargetWidth > MAX_WIDTH || kiTargetHeight<= 0 || kiTargetHeight> MAX_HEIGHT)
return;
if (kiTargetWidth > kiDstStrideY)
return;
}
if (pSrcY == NULL || pSrcU == NULL || pSrcV == NULL || pDstY == NULL || pDstU == NULL || pDstV == NULL
|| (iSrcWidth & 1) || (iSrcHeight & 1) )
{}
else
{
//i420_to_i420_c
WelsMoveMemory_c( pDstY, pDstU, pDstV, kiDstStrideY, kiDstStrideUV,
pSrcY, pSrcU, pSrcV, kiSrcStrideY, kiSrcStrideUV, iSrcWidth, iSrcHeight );
//in VP Process
if ( kiTargetWidth > iSrcWidth || kiTargetHeight > iSrcHeight )
{
const int32_t kiTargetWidthC = (kiTargetWidth>>1);
const int32_t kiTargetHeightC = (kiTargetHeight>>1);
const int32_t kiSrcWidthC = (iSrcWidth>>1);
const int32_t kiSrcHeightC = (iSrcHeight>>1);
// padding pDstPic I420
VPpadding((uint8_t *)pDstY, iSrcWidth, kiTargetWidth, iSrcHeight, kiTargetHeight, kiDstStrideY, 0);
VPpadding((uint8_t *)pDstU, kiSrcWidthC, kiTargetWidthC, kiSrcHeightC, kiTargetHeightC, kiDstStrideUV, 0x80);
VPpadding((uint8_t *)pDstV, kiSrcWidthC, kiTargetWidthC, kiSrcHeightC, kiTargetHeightC, kiDstStrideUV, 0x80);
}
}
}
//*********************************************************************************************************/
} // namespace WelsSVCEnc