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From 83d8c41165fa94ecf8007210e2aa4775bf63973c Mon Sep 17 00:00:00 2001
From: gfxVPLsdm <gfxvplsdm@intel.com>
Date: Fri, 26 Aug 2022 10:47:29 +0800
Subject: [PATCH] Fixed performance dependency on stream GOP pattern in HEVC
decoder (#3417)
Upstream-Status: Backport [https://github.com/oneapi-src/oneVPL-intel-gpu/commit/0987b903bada0d4e41d752a423bc4d0d3b1b37bb]
Co-authored-by: Sergey Plotnikov <sergey.plotnikov@intel.com>
---
.../codec/h265_dec/include/umc_h265_task_supplier.h | 1 +
.../codec/h265_dec/src/umc_h265_task_supplier.cpp | 13 +++++++++++++
2 files changed, 14 insertions(+)
diff --git a/_studio/shared/umc/codec/h265_dec/include/umc_h265_task_supplier.h b/_studio/shared/umc/codec/h265_dec/include/umc_h265_task_supplier.h
index 824ca949..8bd51d1a 100644
--- a/_studio/shared/umc/codec/h265_dec/include/umc_h265_task_supplier.h
+++ b/_studio/shared/umc/codec/h265_dec/include/umc_h265_task_supplier.h
@@ -260,6 +260,7 @@ public:
// Update DPB contents marking frames for reuse
UMC::Status UpdateRefPicMarking(ViewItem_H265 &view, const H265Slice * pSlice);
+ void ResetUnusedFrames(ViewItem_H265 &view);
void Reset();
diff --git a/_studio/shared/umc/codec/h265_dec/src/umc_h265_task_supplier.cpp b/_studio/shared/umc/codec/h265_dec/src/umc_h265_task_supplier.cpp
index f28b86b2..e1c25085 100755
--- a/_studio/shared/umc/codec/h265_dec/src/umc_h265_task_supplier.cpp
+++ b/_studio/shared/umc/codec/h265_dec/src/umc_h265_task_supplier.cpp
@@ -204,6 +204,18 @@ UMC::Status DecReferencePictureMarking_H265::UpdateRefPicMarking(ViewItem_H265 &
return umcRes;
}
+void DecReferencePictureMarking_H265::ResetUnusedFrames(ViewItem_H265 &view)
+{
+ for (H265DecoderFrame *pTmp = view.pDPB->head(); pTmp; pTmp = pTmp->future())
+ {
+ if(!pTmp->isShortTermRef() && !pTmp->isLongTermRef() && pTmp->GetRefCounter() == 0 &&
+ pTmp->m_wasOutputted && pTmp->m_wasDisplayed && pTmp->m_isDisplayable)
+ {
+ pTmp->Reset();
+ }
+ }
+}
+
// Check if bitstream resolution has changed
static
bool IsNeedSPSInvalidate(const H265SeqParamSet *old_sps, const H265SeqParamSet *new_sps)
@@ -2585,6 +2597,7 @@ void TaskSupplier_H265::DPBUpdate(const H265Slice * slice)
{
ViewItem_H265 &view = *GetView();
DecReferencePictureMarking_H265::UpdateRefPicMarking(view, slice);
+ DecReferencePictureMarking_H265::ResetUnusedFrames(view);
}
// Find a decoder frame instance with specified surface ID
--
2.37.2
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