| /* |
| * Copyright (c) 2017-2020, Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
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| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| */ |
| //! |
| //! \file codechal_decode_sfc_hevc.cpp |
| //! \brief Implements the decode interface extension for CSC and scaling via SFC for HEVC decoder. |
| //! \details Downsampling in this case is supported by the SFC fixed function HW unit. |
| //! |
| |
| #include "codechal_decoder.h" |
| #include "codechal_decode_sfc_hevc.h" |
| |
| MOS_STATUS CodechalHevcSfcState::CheckAndInitialize( |
| DecodeProcessingParams *decProcessingParams, |
| PCODEC_HEVC_PIC_PARAMS hevcPicParams) |
| { |
| MOS_STATUS eStatus = MOS_STATUS_SUCCESS; |
| |
| CODECHAL_HW_FUNCTION_ENTER; |
| |
| if (decProcessingParams) |
| { |
| if (IsSfcOutputSupported(decProcessingParams, MhwSfcInterface::SFC_PIPE_MODE_VEBOX)) |
| { |
| m_sfcPipeOut = true; |
| |
| // Set the input region as the HCP output frame region |
| m_inputFrameWidth = hevcPicParams->PicWidthInMinCbsY << (hevcPicParams->log2_min_luma_coding_block_size_minus3 + 3); |
| m_inputFrameHeight = hevcPicParams->PicHeightInMinCbsY << (hevcPicParams->log2_min_luma_coding_block_size_minus3 + 3); |
| decProcessingParams->m_inputSurfaceRegion.m_x = 0; |
| decProcessingParams->m_inputSurfaceRegion.m_y = 0; |
| decProcessingParams->m_inputSurfaceRegion.m_width = m_inputFrameWidth; |
| decProcessingParams->m_inputSurfaceRegion.m_height = m_inputFrameHeight; |
| |
| // SFC Initialization. |
| // Initialize once for most of the resources |
| // Destroy them in CodecHalHevc_Destroy() |
| CODECHAL_HW_CHK_STATUS_RETURN(Initialize( |
| decProcessingParams, |
| MhwSfcInterface::SFC_PIPE_MODE_VEBOX)); |
| if(m_decoder) |
| { |
| m_decoder->SetVdSfcSupportedFlag(true); |
| } |
| } |
| else |
| { |
| if(m_decoder) |
| { |
| m_decoder->SetVdSfcSupportedFlag(false); |
| } |
| } |
| } |
| |
| return eStatus; |
| } |
| |
| MOS_STATUS CodechalHevcSfcState::UpdateInputInfo( |
| PMHW_SFC_STATE_PARAMS sfcStateParams) |
| { |
| MOS_STATUS eStatus = MOS_STATUS_SUCCESS; |
| |
| CODECHAL_HW_FUNCTION_ENTER; |
| |
| uint16_t widthAlignUnit, heightAlignUnit; |
| |
| sfcStateParams->sfcPipeMode = MEDIASTATE_SFC_PIPE_VE_TO_SFC; |
| sfcStateParams->dwAVSFilterMode = MEDIASTATE_SFC_AVS_FILTER_8x8; |
| sfcStateParams->dwVDVEInputOrderingMode = MEDIASTATE_SFC_INPUT_ORDERING_VE_4x8; |
| sfcStateParams->dwInputChromaSubSampling = MEDIASTATE_SFC_CHROMA_SUBSAMPLING_420; //IN: NV12 - How about P010? |
| |
| // Adjust SFC input surface alignment. |
| // As VEBOX doesn't do scaling, input size equals to output size |
| // For the VEBOX output to SFC, width is multiple of 16 and height is multiple of 4 |
| widthAlignUnit = m_sfcInterface->m_veWidthAlignment; |
| heightAlignUnit = m_sfcInterface->m_veHeightAlignment; |
| |
| sfcStateParams->dwInputFrameWidth = MOS_ALIGN_CEIL(m_inputSurface->dwWidth, widthAlignUnit); |
| sfcStateParams->dwInputFrameHeight = MOS_ALIGN_CEIL(m_inputSurface->dwHeight, heightAlignUnit); |
| |
| return eStatus; |
| } |