/*!
* \brief Open decoder
*/
int32_t WelsOpenDecoder (PWelsDecoderContext pCtx) {
// function pointers
//initial MC function pointer--
int iRet = ERR_NONE;
InitMcFunc (& (pCtx->sMcFunc), pCtx->uiCpuFlag);
InitExpandPictureFunc (& (pCtx->sExpandPicFunc), pCtx->uiCpuFlag);
AssignFuncPointerForRec (pCtx);
// vlc tables
InitVlcTable (&pCtx->sVlcTable);
// startup memory
iRet = WelsInitMemory (pCtx);
if (ERR_NONE != iRet)
return iRet;
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true; // should be true to waiting IDR at incoming AU bits following, 6/4/2010
#endif //LONG_TERM_REF
pCtx->bNewSeqBegin = true;
pCtx->bPrintFrameErrorTraceFlag = true;
pCtx->iIgnoredErrorInfoPacketCount = 0;
return iRet;
}
void InitDecFuncs (PWelsDecoderContext pCtx, uint32_t uiCpuFlag) {
WelsBlockFuncInit (&pCtx->sBlockFunc, uiCpuFlag);
InitPredFunc (pCtx, uiCpuFlag);
InitMcFunc (& (pCtx->sMcFunc), uiCpuFlag);
InitExpandPictureFunc (& (pCtx->sExpandPicFunc), uiCpuFlag);
DeblockingInit (&pCtx->sDeblockingFunc, uiCpuFlag);
}
/*!
* \brief Open decoder
*/
void WelsOpenDecoder (PWelsDecoderContext pCtx) {
// function pointers
//initial MC function pointer--
InitMcFunc (& (pCtx->sMcFunc), pCtx->uiCpuFlag);
InitExpandPictureFunc (& (pCtx->sExpandPicFunc), pCtx->uiCpuFlag);
AssignFuncPointerForRec (pCtx);
// vlc tables
InitVlcTable (&pCtx->sVlcTable);
// startup memory
if (ERR_NONE != WelsInitMemory (pCtx))
return;
#ifdef LONG_TERM_REF
pCtx->bParamSetsLostFlag = true;
#else
pCtx->bReferenceLostAtT0Flag = true; // should be true to waiting IDR at incoming AU bits following, 6/4/2010
#endif //LONG_TERM_REF
}
/*!
* \brief initialize function pointers that potentially used in Wels encoding
* \param pEncCtx sWelsEncCtx*
* \return successful - 0; otherwise none 0 for failed
*/
int32_t InitFunctionPointers (sWelsEncCtx* pEncCtx, SWelsSvcCodingParam* pParam, uint32_t uiCpuFlag) {
int32_t iReturn = ENC_RETURN_SUCCESS;
SWelsFuncPtrList* pFuncList = pEncCtx->pFuncList;
bool bScreenContent = (SCREEN_CONTENT_REAL_TIME == pParam->iUsageType);
/* Functionality utilization of CPU instructions dependency */
pFuncList->pfSetMemZeroSize8 = WelsSetMemZero_c; // confirmed_safe_unsafe_usage
pFuncList->pfSetMemZeroSize64Aligned16 = WelsSetMemZero_c; // confirmed_safe_unsafe_usage
pFuncList->pfSetMemZeroSize64 = WelsSetMemZero_c; // confirmed_safe_unsafe_usage
#if defined(X86_ASM)
if (uiCpuFlag & WELS_CPU_MMXEXT) {
pFuncList->pfSetMemZeroSize8 = WelsSetMemZeroSize8_mmx; // confirmed_safe_unsafe_usage
pFuncList->pfSetMemZeroSize64Aligned16 = WelsSetMemZeroSize64_mmx; // confirmed_safe_unsafe_usage
pFuncList->pfSetMemZeroSize64 = WelsSetMemZeroSize64_mmx; // confirmed_safe_unsafe_usage
}
if (uiCpuFlag & WELS_CPU_SSE2) {
pFuncList->pfSetMemZeroSize64Aligned16 = WelsSetMemZeroAligned64_sse2; // confirmed_safe_unsafe_usage
}
#endif//X86_ASM
#if defined(HAVE_NEON)
if (uiCpuFlag & WELS_CPU_NEON) {
pFuncList->pfSetMemZeroSize8 = WelsSetMemZero_neon;
pFuncList->pfSetMemZeroSize64Aligned16 = WelsSetMemZero_neon;
pFuncList->pfSetMemZeroSize64 = WelsSetMemZero_neon;
}
#endif
#if defined(HAVE_NEON_AARCH64)
if (uiCpuFlag & WELS_CPU_NEON) {
pFuncList->pfSetMemZeroSize8 = WelsSetMemZero_AArch64_neon;
pFuncList->pfSetMemZeroSize64Aligned16 = WelsSetMemZero_AArch64_neon;
pFuncList->pfSetMemZeroSize64 = WelsSetMemZero_AArch64_neon;
}
#endif
InitExpandPictureFunc (& (pFuncList->sExpandPicFunc), uiCpuFlag);
/* Intra_Prediction_fn*/
WelsInitIntraPredFuncs (pFuncList, uiCpuFlag);
/* ME func */
WelsInitMeFunc (pFuncList, uiCpuFlag, bScreenContent);
/* sad, satd, average */
WelsInitSampleSadFunc (pFuncList, uiCpuFlag);
//
WelsInitBGDFunc (pFuncList, pParam->bEnableBackgroundDetection);
WelsInitSCDPskipFunc (pFuncList, bScreenContent && (pParam->bEnableSceneChangeDetect));
// for pfGetVarianceFromIntraVaa function ptr adaptive by CPU features, 6/7/2010
InitIntraAnalysisVaaInfo (pFuncList, uiCpuFlag);
/* Motion compensation */
/*init pixel average function*/
/*get one column or row pixel when refinement*/
InitMcFunc (&pFuncList->sMcFuncs, uiCpuFlag);
InitCoeffFunc (pFuncList, uiCpuFlag, pParam->iEntropyCodingModeFlag);
WelsInitEncodingFuncs (pFuncList, uiCpuFlag);
WelsInitReconstructionFuncs (pFuncList, uiCpuFlag);
DeblockingInit (&pFuncList->pfDeblocking, uiCpuFlag);
WelsBlockFuncInit (&pFuncList->pfSetNZCZero, uiCpuFlag);
InitFillNeighborCacheInterFunc (pFuncList, pParam->bEnableBackgroundDetection);
pFuncList->pParametersetStrategy = IWelsParametersetStrategy::CreateParametersetStrategy (pParam->eSpsPpsIdStrategy,
pParam->bSimulcastAVC, pParam->iSpatialLayerNum);
WELS_VERIFY_RETURN_IF (ENC_RETURN_MEMALLOCERR, (NULL == pFuncList->pParametersetStrategy))
return iReturn;
}
