1 /*
2 * Copyright (c) 2017, Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //!
23 //! \file codechal_decode_sfc_hevc.cpp
24 //! \brief Implements the decode interface extension for CSC and scaling via SFC for HEVC decoder.
25 //! \details Downsampling in this case is supported by the SFC fixed function HW unit.
26 //!
27
28 #include "codechal_decoder.h"
29 #include "codechal_decode_sfc_hevc.h"
30
CheckAndInitialize(PCODECHAL_DECODE_PROCESSING_PARAMS decProcessingParams,PCODEC_HEVC_PIC_PARAMS hevcPicParams)31 MOS_STATUS CodechalHevcSfcState::CheckAndInitialize(
32 PCODECHAL_DECODE_PROCESSING_PARAMS decProcessingParams,
33 PCODEC_HEVC_PIC_PARAMS hevcPicParams)
34 {
35 MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
36
37 CODECHAL_HW_FUNCTION_ENTER;
38
39 if (decProcessingParams)
40 {
41 if (IsSfcOutputSupported(decProcessingParams, MhwSfcInterface::SFC_PIPE_MODE_VEBOX))
42 {
43 m_sfcPipeOut = true;
44
45 // Set the input region as the HCP output frame region
46 m_inputFrameWidth = hevcPicParams->PicWidthInMinCbsY << (hevcPicParams->log2_min_luma_coding_block_size_minus3 + 3);
47 m_inputFrameHeight = hevcPicParams->PicHeightInMinCbsY << (hevcPicParams->log2_min_luma_coding_block_size_minus3 + 3);
48 decProcessingParams->rcInputSurfaceRegion.X = 0;
49 decProcessingParams->rcInputSurfaceRegion.Y = 0;
50 decProcessingParams->rcInputSurfaceRegion.Width = m_inputFrameWidth;
51 decProcessingParams->rcInputSurfaceRegion.Height = m_inputFrameHeight;
52
53 // SFC Initialization.
54 // Initialize once for most of the resources
55 // Destroy them in CodecHalHevc_Destroy()
56 CODECHAL_HW_CHK_STATUS_RETURN(Initialize(
57 decProcessingParams,
58 MhwSfcInterface::SFC_PIPE_MODE_VEBOX));
59 if(m_decoder)
60 {
61 m_decoder->SetVdSfcSupportedFlag(true);
62 }
63 }
64 else
65 {
66 if(m_decoder)
67 {
68 m_decoder->SetVdSfcSupportedFlag(false);
69 }
70 }
71 }
72
73 return eStatus;
74 }
75
UpdateInputInfo(PMHW_SFC_STATE_PARAMS sfcStateParams)76 MOS_STATUS CodechalHevcSfcState::UpdateInputInfo(
77 PMHW_SFC_STATE_PARAMS sfcStateParams)
78 {
79 MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
80
81 CODECHAL_HW_FUNCTION_ENTER;
82
83 uint16_t widthAlignUnit, heightAlignUnit;
84
85 sfcStateParams->sfcPipeMode = MEDIASTATE_SFC_PIPE_VE_TO_SFC;
86 sfcStateParams->dwAVSFilterMode = MEDIASTATE_SFC_AVS_FILTER_8x8;
87 sfcStateParams->dwVDVEInputOrderingMode = MEDIASTATE_SFC_INPUT_ORDERING_VE_4x8;
88 sfcStateParams->dwInputChromaSubSampling = MEDIASTATE_SFC_CHROMA_SUBSAMPLING_420; //IN: NV12 - How about P010?
89
90 // Adjust SFC input surface alignment.
91 // As VEBOX doesn't do scaling, input size equals to output size
92 // For the VEBOX output to SFC, width is multiple of 16 and height is multiple of 4
93 widthAlignUnit = m_sfcInterface->m_veWidthAlignment;
94 heightAlignUnit = m_sfcInterface->m_veHeightAlignment;
95
96 sfcStateParams->dwInputFrameWidth = MOS_ALIGN_CEIL(m_inputSurface->dwWidth, widthAlignUnit);
97 sfcStateParams->dwInputFrameHeight = MOS_ALIGN_CEIL(m_inputSurface->dwHeight, heightAlignUnit);
98
99 return eStatus;
100 }
101