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544 lines
15 KiB
ArmAsm
544 lines
15 KiB
ArmAsm
@/******************************************************************************
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@ *
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@ * Copyright (C) 2015 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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@* ih264_intra_pred_chroma_a9q.s
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@*
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@* @brief
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@* Contains function definitions for intra chroma prediction .
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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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@* - ih264_intra_pred_chroma_mode_horz_a9q()
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@* - ih264_intra_pred_chroma_8x8_mode_vert_a9q()
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@* - ih264_intra_pred_chroma_mode_dc_a9q()
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@* - ih264_intra_pred_chroma_mode_plane_a9q()
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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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@* All the functions here are replicated from ih264_chroma_intra_pred_filters.c
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@
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.text
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.p2align 2
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.extern ih264_gai1_intrapred_chroma_plane_coeffs1
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.hidden ih264_gai1_intrapred_chroma_plane_coeffs1
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.extern ih264_gai1_intrapred_chroma_plane_coeffs2
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.hidden ih264_gai1_intrapred_chroma_plane_coeffs2
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scratch_chroma_intrapred_addr1:
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.long ih264_gai1_intrapred_chroma_plane_coeffs1 - scrlblc1 - 8
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scratch_intrapred_chroma_plane_addr1:
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.long ih264_gai1_intrapred_chroma_plane_coeffs2 - scrlblc2 - 8
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@**
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@*******************************************************************************
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@*
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@*ih264_intra_pred_chroma_8x8_mode_dc
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@*
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@* @brief
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@* Perform Intra prediction for chroma_8x8 mode:DC
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@*
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@* @par Description:
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@* Perform Intra prediction for chroma_8x8 mode:DC ,described in sec 8.3.4.1
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source containing alternate U and V samples
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@*
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@* @param[out] pu1_dst
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@* UWORD8 pointer to the destination with alternate U and V samples
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] dst_strd
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@* integer destination stride
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@*
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@** @param[in] ui_neighboravailability
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@* availability of neighbouring pixels
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@*
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@* @returns
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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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@void ih264_intra_pred_chroma_8x8_mode_dc(UWORD8 *pu1_src,
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@ UWORD8 *pu1_dst,
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@ WORD32 src_strd,
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@ WORD32 dst_strd,
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@ WORD32 ui_neighboravailability)
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@**************Variables Vs Registers*****************************************
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@ r0 => *pu1_src
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@ r1 => *pu1_dst
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@ r2 => src_strd
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@ r3 => dst_strd
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@ r4 => ui_neighboravailability
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.global ih264_intra_pred_chroma_8x8_mode_dc_a9q
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ih264_intra_pred_chroma_8x8_mode_dc_a9q:
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stmfd sp!, {r4, r14} @store register values to stack
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ldr r4, [sp, #8] @r4 => ui_neighboravailability
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vpush {d8-d15}
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ands r2, r4, #0x01 @CHECKING IF LEFT_AVAILABLE ELSE BRANCHING TO ONLY TOP AVAILABLE
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beq top_available
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ands r2, r4, #0x04 @CHECKING IF TOP_AVAILABLE ELSE BRANCHING TO ONLY LEFT AVAILABLE
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beq left_available
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vld1.u8 {q0}, [r0] @BOTH LEFT AND TOP AVAILABLE
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add r0, r0, #18
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vld1.u8 {q1}, [r0]
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vaddl.u8 q2, d1, d2
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vaddl.u8 q3, d0, d3
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vmovl.u8 q1, d3
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vmovl.u8 q0, d0
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vadd.u16 d12, d4, d5
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vadd.u16 d13, d2, d3
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vadd.u16 d15, d6, d7
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vadd.u16 d14, d0, d1
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vpadd.u32 d12, d12, d15
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vpadd.u32 d14, d13, d14
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vqrshrun.s16 d12, q6, #3
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vqrshrun.s16 d14, q7, #2
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vdup.u16 d8, d12[0]
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vdup.u16 d9, d14[0]
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vdup.u16 d10, d14[1]
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vdup.u16 d11, d12[1]
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b str_pred
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top_available: @ONLY TOP AVAILABLE
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ands r2, r4, #0x04 @CHECKING TOP AVAILABILTY OR ELSE BRANCH TO NONE AVAILABLE
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beq none_available
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add r0, r0, #18
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vld1.u8 {q0}, [r0]
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vmovl.u8 q1, d0
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vmovl.u8 q2, d1
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vadd.u16 d0, d2, d3
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vadd.u16 d1, d4, d5
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vpaddl.u32 q0, q0
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vqrshrun.s16 d0, q0, #2
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vdup.u16 d8, d0[0]
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vdup.u16 d9, d0[2]
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vmov q5, q4
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b str_pred
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left_available: @ONLY LEFT AVAILABLE
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vld1.u8 {q0}, [r0]
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vmovl.u8 q1, d0
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vmovl.u8 q2, d1
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vadd.u16 d0, d2, d3
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vadd.u16 d1, d4, d5
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vpaddl.u32 q0, q0
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vqrshrun.s16 d0, q0, #2
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vdup.u16 q5, d0[0]
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vdup.u16 q4, d0[2]
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b str_pred
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none_available: @NONE AVAILABLE
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vmov.u8 q4, #128
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vmov.u8 q5, #128
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str_pred:
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vst1.8 {q4}, [r1], r3
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vst1.8 {q4}, [r1], r3
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vst1.8 {q4}, [r1], r3
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vst1.8 {q4}, [r1], r3
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vst1.8 {q5}, [r1], r3
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vst1.8 {q5}, [r1], r3
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vst1.8 {q5}, [r1], r3
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vst1.8 {q5}, [r1], r3
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vpop {d8-d15}
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ldmfd sp!, {r4, pc} @Restoring registers from stack
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@******************************************************************************
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@**
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@*******************************************************************************
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@*
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@*ih264_intra_pred_chroma_8x8_mode_horz
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@*
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@* @brief
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@* Perform Intra prediction for chroma_8x8 mode:Horizontal
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@*
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@* @par Description:
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@* Perform Intra prediction for chroma_8x8 mode:Horizontal ,described in sec 8.3.4.2
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source containing alternate U and V samples
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@*
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@* @param[out] pu1_dst
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@* UWORD8 pointer to the destination with alternate U and V samples
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] dst_strd
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@* integer destination stride
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@*
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@* @param[in] ui_neighboravailability
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@* availability of neighbouring pixels(Not used in this function)
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@*
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@* @returns
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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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@void ih264_intra_pred_chroma_8x8_mode_horz(UWORD8 *pu1_src,
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@ UWORD8 *pu1_dst,
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@ WORD32 src_strd,
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@ WORD32 dst_strd,
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@ WORD32 ui_neighboravailability)
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@**************Variables Vs Registers*****************************************
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@ r0 => *pu1_src
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@ r1 => *pu1_dst
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@ r2 => src_strd
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@ r3 => dst_strd
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@ r4 => ui_neighboravailability
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.global ih264_intra_pred_chroma_8x8_mode_horz_a9q
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ih264_intra_pred_chroma_8x8_mode_horz_a9q:
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stmfd sp!, {r14} @store register values to stack
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vld1.u8 {q0}, [r0]
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mov r2, #6
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vdup.u16 q1, d1[3]
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vdup.u16 q2, d1[2]
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vst1.8 {q1}, [r1], r3
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loop_8x8_horz:
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vext.8 q0, q0, q0, #12
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vst1.8 {q2}, [r1], r3
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vdup.u16 q1, d1[3]
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subs r2, #2
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vdup.u16 q2, d1[2]
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vst1.8 {q1}, [r1], r3
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bne loop_8x8_horz
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vext.8 q0, q0, q0, #12
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vst1.8 {q2}, [r1], r3
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ldmfd sp!, {pc} @restoring registers from stack
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@**
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@*******************************************************************************
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@*
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@*ih264_intra_pred_chroma_8x8_mode_vert
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@*
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@* @brief
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@* Perform Intra prediction for chroma_8x8 mode:vertical
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@*
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@* @par Description:
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@*Perform Intra prediction for chroma_8x8 mode:vertical ,described in sec 8.3.4.3
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source containing alternate U and V samples
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@*
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@* @param[out] pu1_dst
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@* UWORD8 pointer to the destination with alternate U and V samples
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] dst_strd
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@* integer destination stride
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@*
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@* @param[in] ui_neighboravailability
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@* availability of neighbouring pixels(Not used in this function)
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@*
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@* @returns
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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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@void ih264_intra_pred_chroma_8x8_mode_vert(UWORD8 *pu1_src,
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@ UWORD8 *pu1_dst,
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@ WORD32 src_strd,
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@ WORD32 dst_strd,
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@ WORD32 ui_neighboravailability)
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@**************Variables Vs Registers*****************************************
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@ r0 => *pu1_src
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@ r1 => *pu1_dst
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@ r2 => src_strd
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@ r3 => dst_strd
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@ r4 => ui_neighboravailability
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.global ih264_intra_pred_chroma_8x8_mode_vert_a9q
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ih264_intra_pred_chroma_8x8_mode_vert_a9q:
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stmfd sp!, {r4-r12, r14} @store register values to stack
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add r0, r0, #18
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vld1.8 {q0}, [r0]
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vst1.8 {q0}, [r1], r3
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vst1.8 {q0}, [r1], r3
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vst1.8 {q0}, [r1], r3
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vst1.8 {q0}, [r1], r3
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vst1.8 {q0}, [r1], r3
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vst1.8 {q0}, [r1], r3
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vst1.8 {q0}, [r1], r3
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vst1.8 {q0}, [r1], r3
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ldmfd sp!, {r4-r12, pc} @Restoring registers from stack
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@******************************************************************************
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@**
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@*******************************************************************************
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@*
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@*ih264_intra_pred_chroma_8x8_mode_plane
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@*
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@* @brief
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@* Perform Intra prediction for chroma_8x8 mode:PLANE
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@*
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@* @par Description:
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@* Perform Intra prediction for chroma_8x8 mode:PLANE ,described in sec 8.3.4.4
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source containing alternate U and V samples
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@*
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@* @param[out] pu1_dst
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@* UWORD8 pointer to the destination with alternate U and V samples
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] dst_strd
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@* integer destination stride
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@*
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@* @param[in] ui_neighboravailability
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@* availability of neighbouring pixels
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@*
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@* @returns
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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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@void ih264_intra_pred_chroma_8x8_mode_plane(UWORD8 *pu1_src,
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@ UWORD8 *pu1_dst,
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@ WORD32 src_strd,
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@ WORD32 dst_strd,
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@ WORD32 ui_neighboravailability)
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@**************Variables Vs Registers*****************************************
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@ r0 => *pu1_src
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@ r1 => *pu1_dst
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@ r2 => src_strd
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@ r3 => dst_strd
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@ r4 => ui_neighboravailability
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.global ih264_intra_pred_chroma_8x8_mode_plane_a9q
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ih264_intra_pred_chroma_8x8_mode_plane_a9q:
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stmfd sp!, {r4-r10, r12, lr}
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vpush {d8-d15}
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vld1.32 d0, [r0]
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add r10, r0, #10
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vld1.32 d1, [r10]
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add r10, r10, #6
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vrev64.16 d5, d0
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vld1.32 d2, [r10]!
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add r10, r10, #2
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vrev64.16 d7, d2
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vld1.32 d3, [r10]
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sub r5, r3, #8
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ldr r12, scratch_chroma_intrapred_addr1
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scrlblc1:
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add r12, r12, pc
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vsubl.u8 q5, d5, d1
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vld1.64 {q4}, [r12] @ Load multiplication factors 1 to 8 into D3
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vsubl.u8 q6, d3, d7
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vmul.s16 q7, q5, q4
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vmul.s16 q8, q6, q4
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vuzp.16 q7, q8
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vpadd.s16 d14, d14
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vpadd.s16 d15, d15
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vpadd.s16 d16, d16
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vpadd.s16 d17, d17
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vpadd.s16 d14, d14
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vpadd.s16 d15, d15
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vpadd.s16 d16, d16
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vpadd.s16 d17, d17
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mov r6, #34
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vdup.16 q9, r6
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vmull.s16 q11, d14, d18
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vmull.s16 q12, d15, d18
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vmull.s16 q13, d16, d18
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vmull.s16 q14, d17, d18
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vrshrn.s32 d10, q11, #6
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vrshrn.s32 d12, q12, #6
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vrshrn.s32 d13, q13, #6
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vrshrn.s32 d14, q14, #6
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ldrb r6, [r0], #1
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add r10, r0, #31
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ldrb r8, [r0], #1
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ldrb r7, [r10], #1
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ldrb r9, [r10], #1
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add r6, r6, r7
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add r8, r8, r9
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lsl r6, r6, #4
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lsl r8, r8, #4
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vdup.16 q0, r6
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vdup.16 q1, r8
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vdup.16 q2, d12[0]
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vdup.16 q3, d10[0]
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vdup.16 q12, d14[0]
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vdup.16 q13, d13[0]
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vzip.16 q2, q12
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vzip.16 q3, q13
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vzip.16 q0, q1
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ldr r12, scratch_intrapred_chroma_plane_addr1
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scrlblc2:
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add r12, r12, pc
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vld1.64 {q4}, [r12]
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vmov.16 q5, q4
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vmov q11, q4
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vzip.16 q4, q5
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vmul.s16 q6, q2, q4
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vmul.s16 q8, q2, q5
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vadd.s16 q6, q0, q6
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vadd.s16 q8, q0, q8
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vdup.16 q10, d22[0]
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vmul.s16 q2, q3, q10
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vdup.16 q15, d22[1]
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vmul.s16 q9, q3, q10
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vmul.s16 q7, q3, q15
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vmul.s16 q4, q3, q15
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vadd.s16 q12, q6, q2
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vadd.s16 q0, q8, q9
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vadd.s16 q1, q6, q7
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vqrshrun.s16 d28, q12, #5
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vadd.s16 q13, q8, q4
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vqrshrun.s16 d29, q0, #5
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vdup.16 q10, d22[2]
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vst1.8 {q14}, [r1], r3
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vqrshrun.s16 d28, q1, #5
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vqrshrun.s16 d29, q13, #5
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vmul.s16 q2, q3, q10
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vmul.s16 q9, q3, q10
|
|
vst1.8 {q14}, [r1], r3
|
|
vadd.s16 q12, q6, q2
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vadd.s16 q0, q8, q9
|
|
vdup.16 q15, d22[3]
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|
vqrshrun.s16 d28, q12, #5
|
|
vqrshrun.s16 d29, q0, #5
|
|
vmul.s16 q7, q3, q15
|
|
vmul.s16 q4, q3, q15
|
|
vst1.8 {q14}, [r1], r3
|
|
vadd.s16 q1, q6, q7
|
|
vadd.s16 q13, q8, q4
|
|
vdup.16 q10, d23[0]
|
|
vqrshrun.s16 d28, q1, #5
|
|
vqrshrun.s16 d29, q13, #5
|
|
vmul.s16 q2, q3, q10
|
|
vmul.s16 q9, q3, q10
|
|
vst1.8 {q14}, [r1], r3
|
|
vadd.s16 q12, q6, q2
|
|
vadd.s16 q0, q8, q9
|
|
vdup.16 q15, d23[1]
|
|
vqrshrun.s16 d28, q12, #5
|
|
vqrshrun.s16 d29, q0, #5
|
|
vmul.s16 q7, q3, q15
|
|
vmul.s16 q4, q3, q15
|
|
vst1.8 {q14}, [r1], r3
|
|
vadd.s16 q1, q6, q7
|
|
vadd.s16 q13, q8, q4
|
|
vdup.16 q10, d23[2]
|
|
vqrshrun.s16 d28, q1, #5
|
|
vqrshrun.s16 d29, q13, #5
|
|
vmul.s16 q2, q3, q10
|
|
vmul.s16 q9, q3, q10
|
|
vst1.8 {q14}, [r1], r3
|
|
vadd.s16 q12, q6, q2
|
|
vadd.s16 q0, q8, q9
|
|
vdup.16 q15, d23[3]
|
|
vqrshrun.s16 d28, q12, #5
|
|
vqrshrun.s16 d29, q0, #5
|
|
vmul.s16 q7, q3, q15
|
|
vmul.s16 q4, q3, q15
|
|
vst1.8 {q14}, [r1], r3
|
|
vadd.s16 q1, q6, q7
|
|
vadd.s16 q13, q8, q4
|
|
vqrshrun.s16 d28, q1, #5
|
|
vqrshrun.s16 d29, q13, #5
|
|
vst1.8 {q14}, [r1], r3
|
|
|
|
|
|
|
|
end_func_plane:
|
|
|
|
vpop {d8-d15}
|
|
ldmfd sp!, {r4-r10, r12, pc}
|
|
|
|
|
|
|
|
|