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445 lines
14 KiB
445 lines
14 KiB
/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/**
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******************************************************************************
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* @file
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* ihevce_subpel_neon.c
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*
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* @brief
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* Subpel refinement modules for ME algo
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*
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* @author
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* Ittiam
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*
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* @par List of Functions:
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*
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* @remarks
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* None
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*
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********************************************************************************
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*/
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/*****************************************************************************/
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/* File Includes */
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/*****************************************************************************/
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/* System include files */
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <arm_neon.h>
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/* User include files */
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#include "ihevc_typedefs.h"
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#include "itt_video_api.h"
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#include "ihevc_cmn_utils_neon.h"
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#include "ihevc_chroma_itrans_recon.h"
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#include "ihevc_chroma_intra_pred.h"
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#include "ihevc_debug.h"
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#include "ihevc_deblk.h"
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#include "ihevc_defs.h"
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#include "ihevc_itrans_recon.h"
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#include "ihevc_intra_pred.h"
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#include "ihevc_inter_pred.h"
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#include "ihevc_macros.h"
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#include "ihevc_mem_fns.h"
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#include "ihevc_padding.h"
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#include "ihevc_quant_iquant_ssd.h"
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#include "ihevc_resi_trans.h"
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#include "ihevc_sao.h"
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#include "ihevc_structs.h"
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#include "ihevc_weighted_pred.h"
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#include "rc_cntrl_param.h"
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#include "rc_frame_info_collector.h"
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#include "rc_look_ahead_params.h"
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#include "ihevce_api.h"
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#include "ihevce_defs.h"
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#include "ihevce_lap_enc_structs.h"
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#include "ihevce_multi_thrd_structs.h"
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#include "ihevce_function_selector.h"
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#include "ihevce_me_common_defs.h"
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#include "ihevce_enc_structs.h"
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#include "ihevce_had_satd.h"
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#include "ihevce_ipe_instr_set_router.h"
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#include "ihevce_global_tables.h"
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#include "hme_datatype.h"
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#include "hme_common_defs.h"
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#include "hme_interface.h"
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#include "hme_defs.h"
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#include "ihevce_me_instr_set_router.h"
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/*****************************************************************************/
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/* Function Declarations */
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/*****************************************************************************/
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FT_CALC_SATD_AND_RESULT hme_evalsatd_update_1_best_result_pt_pu_16x16_neon;
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WORD32 ihevce_had4_4x4_neon(
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UWORD8 *pu1_src,
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WORD32 src_strd,
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UWORD8 *pu1_pred,
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WORD32 pred_strd,
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WORD16 *pi2_dst4x4,
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WORD32 dst_strd,
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WORD32 *pi4_hsad,
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WORD32 hsad_stride,
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WORD32 i4_frm_qstep);
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/*****************************************************************************/
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/* Function Definitions */
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/*****************************************************************************/
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static void hme_4x4_qpel_interp_avg_neon(
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UWORD8 *pu1_src_a,
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UWORD8 *pu1_src_b,
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WORD32 src_a_strd,
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WORD32 src_b_strd,
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UWORD8 *pu1_dst,
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WORD32 dst_strd)
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{
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uint8x16_t src_a = load_unaligned_u8q(pu1_src_a, src_a_strd);
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uint8x16_t src_b = load_unaligned_u8q(pu1_src_b, src_b_strd);
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uint8x16_t dst = vrhaddq_u8(src_a, src_b);
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store_unaligned_u8q(pu1_dst, dst_strd, dst);
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}
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static void hme_8xn_qpel_interp_avg_neon(
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UWORD8 *pu1_src_a,
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UWORD8 *pu1_src_b,
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WORD32 src_a_strd,
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WORD32 src_b_strd,
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UWORD8 *pu1_dst,
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WORD32 dst_strd,
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WORD32 ht)
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{
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WORD32 i;
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for(i = 0; i < ht; i++)
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{
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uint8x8_t src_a = vld1_u8(pu1_src_a);
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uint8x8_t src_b = vld1_u8(pu1_src_b);
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uint8x8_t dst = vrhadd_u8(src_a, src_b);
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vst1_u8(pu1_dst, dst);
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pu1_src_a += src_a_strd;
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pu1_src_b += src_b_strd;
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pu1_dst += dst_strd;
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}
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}
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static void hme_16xn_qpel_interp_avg_neon(
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UWORD8 *pu1_src_a,
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UWORD8 *pu1_src_b,
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WORD32 src_a_strd,
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WORD32 src_b_strd,
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UWORD8 *pu1_dst,
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WORD32 dst_strd,
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WORD32 ht)
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{
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WORD32 i;
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for(i = 0; i < ht; i++)
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{
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uint8x16_t src_a = vld1q_u8(pu1_src_a);
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uint8x16_t src_b = vld1q_u8(pu1_src_b);
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uint8x16_t dst = vrhaddq_u8(src_a, src_b);
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vst1q_u8(pu1_dst, dst);
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pu1_src_a += src_a_strd;
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pu1_src_b += src_b_strd;
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pu1_dst += dst_strd;
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}
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}
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static void hme_32xn_qpel_interp_avg_neon(
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UWORD8 *pu1_src_a,
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UWORD8 *pu1_src_b,
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WORD32 src_a_strd,
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WORD32 src_b_strd,
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UWORD8 *pu1_dst,
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WORD32 dst_strd,
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WORD32 ht)
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{
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WORD32 i;
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for(i = 0; i < ht; i++)
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{
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uint8x16_t src_a_0 = vld1q_u8(pu1_src_a);
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uint8x16_t src_b_0 = vld1q_u8(pu1_src_b);
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uint8x16_t dst_0 = vrhaddq_u8(src_a_0, src_b_0);
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uint8x16_t src_a_1 = vld1q_u8(pu1_src_a + 16);
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uint8x16_t src_b_1 = vld1q_u8(pu1_src_b + 16);
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uint8x16_t dst_1 = vrhaddq_u8(src_a_1, src_b_1);
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vst1q_u8(pu1_dst, dst_0);
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vst1q_u8(pu1_dst + 16, dst_1);
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pu1_src_a += src_a_strd;
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pu1_src_b += src_b_strd;
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pu1_dst += dst_strd;
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}
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}
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static void hme_4mx4n_qpel_interp_avg_neon(
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UWORD8 *pu1_src_a,
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UWORD8 *pu1_src_b,
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WORD32 src_a_strd,
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WORD32 src_b_strd,
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UWORD8 *pu1_dst,
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WORD32 dst_strd,
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WORD32 blk_wd,
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WORD32 blk_ht)
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{
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WORD32 i, j;
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assert(blk_wd % 4 == 0);
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assert(blk_ht % 4 == 0);
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for(i = 0; i < blk_ht; i += 4)
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{
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for(j = 0; j < blk_wd;)
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{
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WORD32 wd = blk_wd - j;
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if(wd >= 32)
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{
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hme_32xn_qpel_interp_avg_neon(
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pu1_src_a + j, pu1_src_b + j, src_a_strd, src_b_strd, pu1_dst + j, dst_strd, 4);
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j += 32;
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}
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else if(wd >= 16)
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{
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hme_16xn_qpel_interp_avg_neon(
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pu1_src_a + j, pu1_src_b + j, src_a_strd, src_b_strd, pu1_dst + j, dst_strd, 4);
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j += 16;
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}
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else if(wd >= 8)
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{
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hme_8xn_qpel_interp_avg_neon(
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pu1_src_a + j, pu1_src_b + j, src_a_strd, src_b_strd, pu1_dst + j, dst_strd, 4);
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j += 8;
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}
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else
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{
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hme_4x4_qpel_interp_avg_neon(
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pu1_src_a + j, pu1_src_b + j, src_a_strd, src_b_strd, pu1_dst + j, dst_strd);
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j += 4;
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}
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}
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pu1_src_a += (4 * src_a_strd);
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pu1_src_b += (4 * src_b_strd);
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pu1_dst += (4 * dst_strd);
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}
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}
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void hme_qpel_interp_avg_neon(interp_prms_t *ps_prms, S32 i4_mv_x, S32 i4_mv_y, S32 i4_buf_id)
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{
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U08 *pu1_src1, *pu1_src2, *pu1_dst;
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qpel_input_buf_cfg_t *ps_inp_cfg;
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S32 i4_mv_x_frac, i4_mv_y_frac, i4_offset;
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S32 i4_ref_stride = ps_prms->i4_ref_stride;
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i4_mv_x_frac = i4_mv_x & 3;
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i4_mv_y_frac = i4_mv_y & 3;
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i4_offset = (i4_mv_x >> 2) + (i4_mv_y >> 2) * i4_ref_stride;
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/* Derive the descriptor that has all offset and size info */
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ps_inp_cfg = &gas_qpel_inp_buf_cfg[i4_mv_y_frac][i4_mv_x_frac];
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if(ps_inp_cfg->i1_buf_id1 == ps_inp_cfg->i1_buf_id2)
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{
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/* This is case for fxfy/hxfy/fxhy/hxhy */
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ps_prms->pu1_final_out = ps_prms->ppu1_ref[ps_inp_cfg->i1_buf_id1];
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ps_prms->pu1_final_out += ps_inp_cfg->i1_buf_xoff1 + i4_offset;
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ps_prms->pu1_final_out += (ps_inp_cfg->i1_buf_yoff1 * ps_prms->i4_ref_stride);
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ps_prms->i4_final_out_stride = i4_ref_stride;
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return;
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}
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pu1_src1 = ps_prms->ppu1_ref[ps_inp_cfg->i1_buf_id1];
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pu1_src1 += ps_inp_cfg->i1_buf_xoff1 + i4_offset;
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pu1_src1 += (ps_inp_cfg->i1_buf_yoff1 * i4_ref_stride);
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pu1_src2 = ps_prms->ppu1_ref[ps_inp_cfg->i1_buf_id2];
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pu1_src2 += ps_inp_cfg->i1_buf_xoff2 + i4_offset;
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pu1_src2 += (ps_inp_cfg->i1_buf_yoff2 * i4_ref_stride);
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pu1_dst = ps_prms->apu1_interp_out[i4_buf_id];
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hme_4mx4n_qpel_interp_avg_neon(
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pu1_src1,
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pu1_src2,
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ps_prms->i4_ref_stride,
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ps_prms->i4_ref_stride,
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pu1_dst,
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ps_prms->i4_out_stride,
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ps_prms->i4_blk_wd,
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ps_prms->i4_blk_ht);
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ps_prms->pu1_final_out = pu1_dst;
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ps_prms->i4_final_out_stride = ps_prms->i4_out_stride;
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}
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// TODO: Can this function and above function be unified
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void hme_qpel_interp_avg_1pt_neon(
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interp_prms_t *ps_prms,
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S32 i4_mv_x,
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S32 i4_mv_y,
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S32 i4_buf_id,
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U08 **ppu1_final,
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S32 *pi4_final_stride)
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{
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U08 *pu1_src1, *pu1_src2, *pu1_dst;
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qpel_input_buf_cfg_t *ps_inp_cfg;
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S32 i4_mv_x_frac, i4_mv_y_frac, i4_offset;
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S32 i4_ref_stride = ps_prms->i4_ref_stride;
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i4_mv_x_frac = i4_mv_x & 3;
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i4_mv_y_frac = i4_mv_y & 3;
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i4_offset = (i4_mv_x >> 2) + (i4_mv_y >> 2) * i4_ref_stride;
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/* Derive the descriptor that has all offset and size info */
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ps_inp_cfg = &gas_qpel_inp_buf_cfg[i4_mv_y_frac][i4_mv_x_frac];
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pu1_src1 = ps_prms->ppu1_ref[ps_inp_cfg->i1_buf_id1];
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pu1_src1 += ps_inp_cfg->i1_buf_xoff1 + i4_offset;
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pu1_src1 += (ps_inp_cfg->i1_buf_yoff1 * i4_ref_stride);
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pu1_src2 = ps_prms->ppu1_ref[ps_inp_cfg->i1_buf_id2];
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pu1_src2 += ps_inp_cfg->i1_buf_xoff2 + i4_offset;
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pu1_src2 += (ps_inp_cfg->i1_buf_yoff2 * i4_ref_stride);
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pu1_dst = ps_prms->apu1_interp_out[i4_buf_id];
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hme_4mx4n_qpel_interp_avg_neon(
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pu1_src1,
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pu1_src2,
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ps_prms->i4_ref_stride,
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ps_prms->i4_ref_stride,
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pu1_dst,
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ps_prms->i4_out_stride,
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ps_prms->i4_blk_wd,
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ps_prms->i4_blk_ht);
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ppu1_final[i4_buf_id] = pu1_dst;
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pi4_final_stride[i4_buf_id] = ps_prms->i4_out_stride;
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}
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void hme_qpel_interp_avg_2pt_vert_with_reuse_neon(
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interp_prms_t *ps_prms, S32 i4_mv_x, S32 i4_mv_y, U08 **ppu1_final, S32 *pi4_final_stride)
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{
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hme_qpel_interp_avg_1pt_neon(ps_prms, i4_mv_x, i4_mv_y + 1, 3, ppu1_final, pi4_final_stride);
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hme_qpel_interp_avg_1pt_neon(ps_prms, i4_mv_x, i4_mv_y - 1, 1, ppu1_final, pi4_final_stride);
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}
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void hme_qpel_interp_avg_2pt_horz_with_reuse_neon(
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interp_prms_t *ps_prms, S32 i4_mv_x, S32 i4_mv_y, U08 **ppu1_final, S32 *pi4_final_stride)
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{
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hme_qpel_interp_avg_1pt_neon(ps_prms, i4_mv_x + 1, i4_mv_y, 2, ppu1_final, pi4_final_stride);
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hme_qpel_interp_avg_1pt_neon(ps_prms, i4_mv_x - 1, i4_mv_y, 0, ppu1_final, pi4_final_stride);
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}
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void hme_evalsatd_update_1_best_result_pt_pu_16x16_neon(
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err_prms_t *ps_prms, result_upd_prms_t *ps_result_prms)
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{
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mv_refine_ctxt_t *refine_ctxt = ps_result_prms->ps_subpel_refine_ctxt;
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S32 *pi4_sad_grid = ps_prms->pi4_sad_grid;
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S32 *pi4_valid_part_ids = &refine_ctxt->ai4_part_id[0];
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S32 ai4_satd_4x4[16];
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S32 ai4_satd_8x8[4];
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U08 *pu1_inp = ps_prms->pu1_inp;
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U08 *pu1_ref = ps_prms->pu1_ref;
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S32 inp_stride = ps_prms->i4_inp_stride;
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S32 ref_stride = ps_prms->i4_ref_stride;
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S32 i;
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/* Call recursive 16x16 HAD module; updates satds for 4x4, 8x8 and 16x16 */
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for(i = 0; i < 4; i++)
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{
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U08 *pu1_src = pu1_inp + (i & 0x1) * 8 + (i >> 1) * inp_stride * 8;
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U08 *pu1_pred = pu1_ref + (i & 0x1) * 8 + (i >> 1) * ref_stride * 8;
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S16 idx = (i & 0x1) * 2 + (i >> 1) * 8;
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ai4_satd_8x8[i] = ihevce_had4_4x4_neon(
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pu1_src, inp_stride, pu1_pred, ref_stride, NULL, 0, &ai4_satd_4x4[idx], 4, 0);
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}
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/* Update 16x16 SATDs */
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pi4_sad_grid[PART_ID_2Nx2N] =
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ai4_satd_8x8[0] + ai4_satd_8x8[1] + ai4_satd_8x8[2] + ai4_satd_8x8[3];
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pi4_sad_grid[PART_ID_NxN_TL] = ai4_satd_8x8[0];
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pi4_sad_grid[PART_ID_NxN_TR] = ai4_satd_8x8[1];
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pi4_sad_grid[PART_ID_NxN_BL] = ai4_satd_8x8[2];
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pi4_sad_grid[PART_ID_NxN_BR] = ai4_satd_8x8[3];
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/* Update 8x16 / 16x8 SATDs */
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pi4_sad_grid[PART_ID_Nx2N_L] = ai4_satd_8x8[0] + ai4_satd_8x8[2];
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pi4_sad_grid[PART_ID_Nx2N_R] = ai4_satd_8x8[1] + ai4_satd_8x8[3];
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pi4_sad_grid[PART_ID_2NxN_T] = ai4_satd_8x8[0] + ai4_satd_8x8[1];
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pi4_sad_grid[PART_ID_2NxN_B] = ai4_satd_8x8[2] + ai4_satd_8x8[3];
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/* Update AMP SATDs 16x12,16x4, 12x16,4x16 */
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pi4_sad_grid[PART_ID_nLx2N_L] =
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ai4_satd_4x4[0] + ai4_satd_4x4[2] + ai4_satd_4x4[8] + ai4_satd_4x4[10];
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pi4_sad_grid[PART_ID_nRx2N_R] =
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ai4_satd_4x4[5] + ai4_satd_4x4[7] + ai4_satd_4x4[13] + ai4_satd_4x4[15];
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pi4_sad_grid[PART_ID_2NxnU_T] =
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ai4_satd_4x4[0] + ai4_satd_4x4[1] + ai4_satd_4x4[4] + ai4_satd_4x4[5];
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pi4_sad_grid[PART_ID_2NxnD_B] =
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ai4_satd_4x4[10] + ai4_satd_4x4[11] + ai4_satd_4x4[14] + ai4_satd_4x4[15];
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pi4_sad_grid[PART_ID_nLx2N_R] = pi4_sad_grid[PART_ID_2Nx2N] - pi4_sad_grid[PART_ID_nLx2N_L];
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pi4_sad_grid[PART_ID_nRx2N_L] = pi4_sad_grid[PART_ID_2Nx2N] - pi4_sad_grid[PART_ID_nRx2N_R];
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pi4_sad_grid[PART_ID_2NxnU_B] = pi4_sad_grid[PART_ID_2Nx2N] - pi4_sad_grid[PART_ID_2NxnU_T];
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pi4_sad_grid[PART_ID_2NxnD_T] = pi4_sad_grid[PART_ID_2Nx2N] - pi4_sad_grid[PART_ID_2NxnD_B];
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/* For each valid partition, update the refine_prm structure to
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* reflect the best and second best candidates for that partition */
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for(i = 0; i < refine_ctxt->i4_num_valid_parts; i++)
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{
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S32 part_id = pi4_valid_part_ids[i];
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S32 id = (refine_ctxt->i4_num_valid_parts > 8) ? part_id : i;
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S32 i4_mv_cost = refine_ctxt->i2_mv_cost[0][id];
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S32 i4_sad = CLIP3(pi4_sad_grid[part_id], 0, 0x7fff);
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S32 i4_tot_cost = CLIP_S16(i4_sad + i4_mv_cost);
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S32 best_node_cost = CLIP_S16(refine_ctxt->i2_tot_cost[0][id]);
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|
|
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if(i4_tot_cost < best_node_cost)
|
|
{
|
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refine_ctxt->i2_tot_cost[0][id] = i4_tot_cost;
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refine_ctxt->i2_mv_cost[0][id] = i4_mv_cost;
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refine_ctxt->i2_mv_x[0][id] = ps_result_prms->i2_mv_x;
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refine_ctxt->i2_mv_y[0][id] = ps_result_prms->i2_mv_y;
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refine_ctxt->i2_ref_idx[0][id] = ps_result_prms->i1_ref_idx;
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|
}
|
|
}
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|
}
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