1 /*
2 * Copyright (c) 2017, Intel Corporation
3 *
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5 * copy of this software and associated documentation files (the "Software"),
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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
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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_avc.cpp
24 //! \brief    Implements the decode interface extension for CSC and scaling via SFC for AVC decoder.
25 //! \details  Downsampling in this case is supported by the SFC fixed function HW unit.
26 //!
27 
28 #include "codechal_decode_sfc_avc.h"
29 
CheckAndInitialize(PCODECHAL_DECODE_PROCESSING_PARAMS decProcessingParams,PCODEC_AVC_PIC_PARAMS picParams,uint32_t width,uint32_t height,bool deblockingEnabled)30 MOS_STATUS CodechalAvcSfcState::CheckAndInitialize(
31     PCODECHAL_DECODE_PROCESSING_PARAMS  decProcessingParams,
32     PCODEC_AVC_PIC_PARAMS               picParams,
33     uint32_t                            width,
34     uint32_t                            height,
35     bool                                deblockingEnabled)
36 {
37     MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
38 
39     CODECHAL_HW_FUNCTION_ENTER;
40 
41     m_sfcPipeOut = false;
42 
43     if (CodecHal_PictureIsFrame(picParams->CurrPic) &&
44         !picParams->seq_fields.mb_adaptive_frame_field_flag &&
45         IsSfcOutputSupported(decProcessingParams, MhwSfcInterface::SFC_PIPE_MODE_VDBOX))
46     {
47         this->m_deblockingEnabled = deblockingEnabled;
48         this->m_inputFrameWidth   = width;
49         this->m_inputFrameHeight  = height;
50 
51         CODECHAL_HW_CHK_STATUS_RETURN(Initialize(
52             decProcessingParams,
53             MhwSfcInterface::SFC_PIPE_MODE_VDBOX));
54 
55         m_sfcPipeOut = true;
56     }
57 
58     if (decProcessingParams->bIsReferenceOnlyPattern)
59     {
60         m_sfcPipeOut = false;
61     }
62 
63     return eStatus;
64 }
65 
UpdateInputInfo(PMHW_SFC_STATE_PARAMS sfcStateParams)66 MOS_STATUS CodechalAvcSfcState::UpdateInputInfo(
67     PMHW_SFC_STATE_PARAMS   sfcStateParams)
68 {
69     MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
70 
71     CODECHAL_HW_FUNCTION_ENTER;
72 
73     sfcStateParams->sfcPipeMode                = MEDIASTATE_SFC_PIPE_VD_TO_SFC;
74     sfcStateParams->dwAVSFilterMode            = MEDIASTATE_SFC_AVS_FILTER_5x5;
75 
76     sfcStateParams->dwVDVEInputOrderingMode    = m_deblockingEnabled ? MEDIASTATE_SFC_INPUT_ORDERING_VD_16x16_SHIFT : MEDIASTATE_SFC_INPUT_ORDERING_VD_16x16_NOSHIFT;
77     sfcStateParams->dwInputChromaSubSampling   = MEDIASTATE_SFC_CHROMA_SUBSAMPLING_420;
78 
79     sfcStateParams->dwInputFrameWidth  = m_inputFrameWidth;
80     sfcStateParams->dwInputFrameHeight = m_inputFrameHeight;
81 
82     return eStatus;
83 }
84