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lib/libva/va/va_fei_hevc.h
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254
lib/libva/va/va_fei_hevc.h
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/*
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* Copyright (c) 2007-2017 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file va_fei_hevc.h
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* \brief The FEI encoding HEVC special API
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*/
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#ifndef __VA_FEI_HEVC_H__
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#define __VA_FEI_HEVC_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "va_fei.h"
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/**
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* \defgroup api_fei_hevc HEVC FEI encoding API
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*
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* @{
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*/
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/** \brief FEI frame level control buffer for HEVC */
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typedef struct _VAEncMiscParameterFEIFrameControlHEVC {
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/* one of the VAConfigAttribFEIFunctionType values */
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uint32_t function;
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/** \brief CTB control input buffer. It is valid only when per_ctb_input
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* is set to 1. The data in this buffer correspond to the input source. CTB is in raster scan order,
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* each CTB control data structure is defined by VAEncFEICTBControlHEVC.
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* Buffer size shall not be less than the number of CTBs multiplied by
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* sizeof(VAEncFEICTBControlHEVC).
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*/
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VABufferID ctb_ctrl;
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/** \brief CTB cmd per CTB data output of ENC
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* it is reserved for CTB level information
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* it should include CU split information and other CTB datas .
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* Each CTB block has one CTB cmd data.
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*/
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VABufferID ctb_cmd;
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/** \brief CU record data output of ENC
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* it is reserved for CU level information
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* it should include CU detail data. include mode,MV, reference etc.
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* Each CTB block has one CU record data.
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*/
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VABufferID cu_record;
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/** \brief distortion output of ENC or ENC_PAK.
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* Each CTB has one distortion data with VAEncFEIDistortionHevc
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* Buffer size shall not be less than the number of CTBs multiplied by
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* sizeof(VAEncFEIDistortionHevc).
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*/
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VABufferID distortion;
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/** \brief Qp input buffer. It is valid only when per_block_qp is set to 1.
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* The data in this buffer correspond to the input source.
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* One Qp per block block is in raster scan order, each Qp is a signed char (8-bit) value.
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**/
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VABufferID qp;
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/** \brief MV predictor. It is valid only when mv_predictor_input is set to non-zero.
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* Each CTB block has one or more pair of motion vectors and the corresponding
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* reference indexes as defined by VAEncFEIMVPredictorHEVC. 32x32 block is in raster scan order.
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* Buffer size shall not be less than the number of 16x16 blocks multiplied by
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* sizeof(VAEncFEIMVPredictorHEVC). */
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VABufferID mv_predictor;
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/** \brief number of MV predictors L0 and L1. the maximum number of motion vector predictor for a 16x16, 32x32 or
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* 64x64 block is four, it must not be greater than maximum supported MV predictor,
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**/
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uint32_t num_mv_predictors_l0 : 16;
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uint32_t num_mv_predictors_l1 : 16;
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/** \brief control parameters */
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uint32_t search_path : 8;
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uint32_t len_sp : 8;
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uint32_t reserved0 : 16;
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/** \brief multi pred l0/1
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* 0000: no internal MV predictor will be used
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* 0001: spatial MV predictors
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* 0100/1000: Reserved
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**/
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uint32_t multi_pred_l0 : 4;
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uint32_t multi_pred_l1 : 4;
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/** \brief defines the motion vector precision, like integer/half/quarter pel.
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* 00b: integer pel
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* 01b: half-pel
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* 10b: reserved
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* 11b: quarter-pel
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*/
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uint32_t sub_pel_mode : 2;
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uint32_t adaptive_search : 1;
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/** \brief mv_predictor_input
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* 000: MV predictor disabled
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* 001: MV predictor enabled per 16x16 block
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* 010: MV predictor enabled per 32x32 block
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* 011: MV predictor enabled per 64x64 block
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* 111: MV predictor enabled, block size can vary and is determined by BlockSize in motion vector predictor buffer
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* 100/101/110: Reserved
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**/
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uint32_t mv_predictor_input : 3;
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/** \brief enables per CTB or CU qp */
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uint32_t per_block_qp : 1;
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/** \brief enables the per CTB input , if 1, need ctb_ctrl to be a real surface ID*/
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uint32_t per_ctb_input : 1;
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/** when this flag is set, extra distortion between current CTB and co-located CTB is provided.
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* Extra distortion output has performance impact, set it only when it is needed */
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uint32_t colocated_ctb_distortion : 1;
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/** brief specifies whether this CTB should be forced to split to remove Inter big LCU: do not check Inter 32x32
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* PUs. Every 32x32 LCU is split at least once. It can be used to improved performance.
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* 0: ENC determined block type
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* 1: Force to split
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**/
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uint32_t force_lcu_split : 1;
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/** \brief enables CU64x64 check */
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uint32_t enable_cu64_check : 1;
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/** \brief enables CU64x64 asymmetric motion partition check */
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uint32_t enable_cu64_amp_check : 1;
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/** \brief specifies if check the 64x64 merge candidate
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* 0: after skip check,
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* 1: only skip check for 64x64
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Default: 0. This field is used by LCU64 bi-directional.
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**/
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uint32_t cu64_skip_check_only : 1;
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uint32_t reserved1 : 11;
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/** specifies the search region width in pixels.
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* When bidirectional search is enabled, this applies to both search regions */
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uint32_t ref_width : 8;
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/** specifies the reference region height in pixels. When bidirectional search is enabled,
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* this applies to both search regions. */
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uint32_t ref_height : 8;
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/** \brief search window similar for AVC
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* defines predefined search windows. If it is selected, RefWidth, RefHeight, LenSP and SearchPath are ignored.
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* 0 : not use predefined search window
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* 1 : Tiny – (4 SUs) 24x24 window diamond search
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* 2 : Small – (9 SUs) 28x28 window diamond search
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* 3 : Diamond – (16 SUs) 48x40 window diamond search
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* 4 : Large Diamond – (32 SUs) 48x40 window diamond search
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* 5 : Exhaustive – 48x40 window full search
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* 6 : (64 SUs) 64x64 window full search
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* Note: option 1, 2, 3 and 4 are valid only when CAP parameter SearchWindow64Support is 0.
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* And option 6 is valid only when SearchWindow64Support is 1.*/
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uint32_t search_window : 8;
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/** \brief number of internal MV predictors for IME searches */
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uint32_t max_num_ime_search_center : 3;
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/** \brief fast intra prediction enabling bit. It is used as a trade-off between speed and quality.
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* The flag will be ignored if it's unsupported in the driver*/
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uint32_t fast_intra_mode : 1;
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uint32_t reserved2 : 4;
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/** \brief specifies number of splits that encoder could be run concurrently
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* 1: level 1, default value
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* 2: level 2
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* 4: level 3
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**/
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uint32_t num_concurrent_enc_frame_partition : 8;
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uint32_t reserved3 : 24;
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/** \brief max frame size control with multi passes QP setting */
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uint32_t max_frame_size;
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/** \brief number of passes, every pass has different QP */
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uint32_t num_passes;
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/** \brief delta QP list for every pass */
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uint8_t *delta_qp;
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uint32_t reserved4[2];
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} VAEncMiscParameterFEIFrameControlHEVC;
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/** \brief Application can use this definition as reference to allocate the buffer
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* based on MaxNumPredictor returned from attribute VAConfigAttribFEIMVPredictors query.
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* this buffer allocation is always based on 16x16 block even block size is indicated as 32x32 or 64x64, and buffer
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* layout is always in 32x32 block raster scan order even block size is 16x16 or 64x64. If 32x32 block size is set,
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* only the data in the first 16x16 block (block 0) is used for 32x32 block. If 64x64 block size is set
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* MV layout is still in 32x32 raster scan order, the same as 32x32 and the first 16x16
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* block within each 32x32 block needs to have intended MV data (four 32x32 blocks will have the same MV data in the
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* correspondent first 16x16 block). Data structure for each 16x16 block is defined as below (same as AVC except
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* BlockSize/Reserved bits).
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**/
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typedef struct _VAEncFEIMVPredictorHEVC {
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/** \brief Feference index corresponding to the entry of RefPicList0 & RefPicList1 in slice header (final reference
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* list). Note that RefPicList0 & RefPicList1 needs to be the same for all slices.
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* Ref0xIndex – RefPicList0; Ref1xIndex – RefPicList1; x – 0 ~ MaxNumPredictor */
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struct {
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uint8_t ref_idx_l0 : 4;
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uint8_t ref_idx_l1 : 4;
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} ref_idx[4]; /* index is predictor number */
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/** \brief Valid only when MVPredictor is set to 011 for HEVC. Only valid in the first 16x16 block.
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* 00: MV predictor disabled for this 32x32 block
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* 01: MV predictor enabled per 16x16 block for this 32x32 block
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* 10: MV predictor enabled per 32x32 block, the rest of 16x16 block data within this 32x32 block are ignored
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* 11: Reserved */
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uint32_t block_size : 2;
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uint32_t reserved : 30;
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VAMotionVector mv[4]; /* MaxNumPredictor is 4 */
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} VAEncFEIMVPredictorHEVC; //40 bytes
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/** \brief FEI CTB level control data structure */
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typedef struct _VAEncFEICTBControlHEVC {
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// DWORD 0
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uint32_t force_to_intra : 1;
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uint32_t force_to_inter : 1;
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uint32_t force_to_skip : 1;
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/** \brief force all coeff to zero */
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uint32_t force_to_zero_coeff : 1;
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uint32_t reserved0 : 28;
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// DWORD 1
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uint32_t reserved1;
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// DWORD 2
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uint32_t reserved2;
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// DWORD 3
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uint32_t reserved3;
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} VAEncFEICTBControlHEVC;
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/** \brief VAEncFEIDistortionHevc defines the data structure for VAEncFEIDistortionBufferType per CTB block.
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* It is output buffer of ENC and ENC_PAK modes, The CTB block is in raster scan order.
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* Buffer size shall not be less than the number of CTB blocks multiple by sizeof(VAEncFEIDistortionHevc).
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**/
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typedef struct _VAEncFEIDistortionHevc {
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/** best CTB distortion */
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uint32_t best_distortion;
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/** only when colocated_ctb_distortion in VAEncMiscParameterFEIFrameControlHEVC is set */
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uint32_t colocated_ctb_distortion;
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} VAEncFEIDistortionHevc;
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/**@}*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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