[Decode] VP8 command buffer size calculate

This patch is to add VP8 command buffer size calculation.

media_softlet/agnostic/common/codec/hal/dec/vp8/packet/decode_vp8_packet.cpp

@@ -61,10 +61,12 @@ MOS_STATUS Vp8DecodePkt::Init()
     DecodeSubPacket *subPacket = m_vp8Pipeline->GetSubPacket(DecodePacketId(m_vp8Pipeline, vp8PictureSubPacketId));
     m_picturePkt               = dynamic_cast<Vp8DecodePicPkt *>(subPacket);
     DECODE_CHK_NULL(m_picturePkt);
+    DECODE_CHK_STATUS(m_picturePkt->CalculateCommandSize(m_pictureStatesSize, m_picturePatchListSize));
 
     subPacket  = m_vp8Pipeline->GetSubPacket(DecodePacketId(m_vp8Pipeline, vp8SliceSubPacketId));
     m_slicePkt = dynamic_cast<Vp8DecodeSlcPkt *>(subPacket);
     DECODE_CHK_NULL(m_slicePkt);
+    DECODE_CHK_STATUS(m_slicePkt->CalculateCommandSize(m_sliceStatesSize, m_slicePatchListSize));
 
     m_vp8BasicFeature = dynamic_cast<Vp8BasicFeature *>(m_featureManager->GetFeature(FeatureIDs::basicFeature));
     DECODE_CHK_NULL(m_vp8BasicFeature);
@@ -197,6 +199,35 @@ MOS_STATUS Vp8DecodePkt::Completed(void *mfxStatus, void *rcsStatus, void *statu
     return MOS_STATUS_SUCCESS;
 }
 
+uint32_t Vp8DecodePkt::CalculateCommandBufferSize()
+{
+    uint32_t commandBufferSize = 0;
+    commandBufferSize          = m_pictureStatesSize + m_sliceStatesSize;
+
+    return (commandBufferSize + COMMAND_BUFFER_RESERVED_SPACE);
+}
+
+uint32_t Vp8DecodePkt::CalculatePatchListSize()
+{
+    if (!m_osInterface->bUsesPatchList)
+    {
+        return 0;
+    }
+
+    uint32_t requestedPatchListSize = 0;
+    requestedPatchListSize          = m_picturePatchListSize + m_slicePatchListSize;
+
+    return requestedPatchListSize;
+}
+
+MOS_STATUS Vp8DecodePkt::CalculateCommandSize(uint32_t& commandBufferSize, uint32_t& requestedPatchListSize)
+{
+    commandBufferSize      = CalculateCommandBufferSize();
+    requestedPatchListSize = CalculatePatchListSize();
+
+    return MOS_STATUS_SUCCESS;
+}
+
 MOS_STATUS Vp8DecodePkt::ReadMfxStatus(MediaStatusReport* statusReport, MOS_COMMAND_BUFFER& cmdBuffer)
 {
     DECODE_FUNC_CALL();

media_softlet/agnostic/common/codec/hal/dec/vp8/packet/decode_vp8_packet.h

@@ -79,6 +79,18 @@ class Vp8DecodePkt : public CmdPacket, public MediaStatusReportObserver
     //!
     virtual MOS_STATUS Completed(void *mfxStatus, void *rcsStatus, void *statusReport) override;
 
+    //!
+    //! \brief  Calculate Command Size
+    //!
+    //! \param  [in, out] commandBufferSize
+    //!         requested size
+    //! \param  [in, out] requestedPatchListSize
+    //!         requested size
+    //! \return MOS_STATUS
+    //!         status
+    //!
+    MOS_STATUS CalculateCommandSize(uint32_t &commandBufferSize, uint32_t &requestedPatchListSize) override;
+
     //!
     //! \brief Get Packet Name
     //! \return std::string
@@ -89,6 +101,22 @@ class Vp8DecodePkt : public CmdPacket, public MediaStatusReportObserver
     }
 
 protected:
+    //!
+    //! \brief  Calculate Command Buffer Size
+    //!
+    //! \return uint32_t
+    //!         Command buffer size calculated
+    //!
+    virtual uint32_t CalculateCommandBufferSize();
+
+    //!
+    //! \brief  Calculate Patch List Size
+    //!
+    //! \return uint32_t
+    //!         Patchlist size calculated
+    //!
+    virtual uint32_t CalculatePatchListSize();
+
     void SetPerfTag(CODECHAL_MODE mode, uint16_t picCodingType);
 
     MOS_STATUS SendPrologWithFrameTracking(MOS_COMMAND_BUFFER &cmdBuffer, bool frameTrackingRequested);