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feat: gate intra/I_4x4/sub-partition suppression on bSubcodecMode

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Isaac 2026-04-07 08:39:09 +02:00
parent d224a25d07
commit 1c05425261
1 changed files with 24 additions and 0 deletions
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24
third-party/openh264/third_party/openh264/src/codec/encoder/core/src/svc_base_layer_md.cpp vendored
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@ -930,6 +930,11 @@ int32_t WelsMdIntraChroma (SWelsFuncPtrList* pFunc, SDqLayer* pCurDqLayer, SMbCa
return iBestCost;
}
int32_t WelsMdIntraFinePartition (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
// [subcodec] I_4x4 disabled for sprite compositing — only I_16x16 allowed.
if (pEncCtx->pSvcParam->bSubcodecMode) {
return pWelsMd->iCostLuma;
}
int32_t iCosti4x4 = WelsMdI4x4 (pEncCtx, pWelsMd, pCurMb, pMbCache);
if (iCosti4x4 < pWelsMd->iCostLuma) {
@ -940,6 +945,10 @@ int32_t WelsMdIntraFinePartition (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* p
}
int32_t WelsMdIntraFinePartitionVaa (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
// [subcodec] I_4x4 disabled for sprite compositing — only I_16x16 allowed.
if (pEncCtx->pSvcParam->bSubcodecMode) {
return pWelsMd->iCostLuma;
}
if (MdIntraAnalysisVaaInfo (pEncCtx, pMbCache->SPicData.pEncMb[0])) {
int32_t iCosti4x4 = WelsMdI4x4Fast (pEncCtx, pWelsMd, pCurMb, pMbCache);
@ -1236,6 +1245,11 @@ int32_t WelsMdP4x8 (SWelsFuncPtrList* pFunc, SDqLayer* pCurDqLayer, SWelsMD* pWe
}
void WelsMdInterFinePartition (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* pSlice, SMB* pCurMb, int32_t iBestCost) {
// [subcodec] No sub-partition modes for sprite compositing.
if (pEncCtx->pSvcParam->bSubcodecMode) {
return;
}
SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
// SMbCache *pMbCache = &pSlice->sMbCacheInfo;
int32_t iCost = 0;
@ -1269,6 +1283,11 @@ void WelsMdInterFinePartition (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* p
void WelsMdInterFinePartitionVaa (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* pSlice, SMB* pCurMb,
int32_t iBestCost) {
// [subcodec] No sub-partition modes for sprite compositing.
if (pEncCtx->pSvcParam->bSubcodecMode) {
return;
}
SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
// SMbCache *pMbCache = &pSlice->sMbCacheInfo;
int32_t iCostP8x16, iCostP16x8, iCostP8x8;
@ -1827,6 +1846,11 @@ void WelsMdInterMbRefinement (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurM
}
bool WelsMdFirstIntraMode (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
// [subcodec] Never select intra MBs in P-frames for sprite compositing.
if (pEncCtx->pSvcParam->bSubcodecMode) {
return false;
}
SWelsFuncPtrList* pFunc = pEncCtx->pFuncList;
int32_t iCostI16x16 = WelsMdI16x16 (pFunc, pEncCtx->pCurDqLayer, pMbCache, pWelsMd->iLambda);