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384 lines
13 KiB
384 lines
13 KiB
/* |
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "asm.S" |
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preserve8 |
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.text |
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function ff_h264_idct_add_neon, export=1 |
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vld1.64 {d0-d3}, [r1,:128] |
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vswp d1, d2 |
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vadd.i16 d4, d0, d1 |
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vshr.s16 q8, q1, #1 |
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vsub.i16 d5, d0, d1 |
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vadd.i16 d6, d2, d17 |
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vsub.i16 d7, d16, d3 |
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vadd.i16 q0, q2, q3 |
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vsub.i16 q1, q2, q3 |
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vtrn.16 d0, d1 |
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vtrn.16 d3, d2 |
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vtrn.32 d0, d3 |
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vtrn.32 d1, d2 |
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vadd.i16 d4, d0, d3 |
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vld1.32 {d18[0]}, [r0,:32], r2 |
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vswp d1, d3 |
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vshr.s16 q8, q1, #1 |
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vld1.32 {d19[1]}, [r0,:32], r2 |
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vsub.i16 d5, d0, d1 |
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vld1.32 {d18[1]}, [r0,:32], r2 |
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vadd.i16 d6, d16, d3 |
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vld1.32 {d19[0]}, [r0,:32], r2 |
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vsub.i16 d7, d2, d17 |
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sub r0, r0, r2, lsl #2 |
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vadd.i16 q0, q2, q3 |
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vsub.i16 q1, q2, q3 |
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vrshr.s16 q0, q0, #6 |
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vrshr.s16 q1, q1, #6 |
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vaddw.u8 q0, q0, d18 |
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vaddw.u8 q1, q1, d19 |
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vqmovun.s16 d0, q0 |
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vqmovun.s16 d1, q1 |
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vst1.32 {d0[0]}, [r0,:32], r2 |
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vst1.32 {d1[1]}, [r0,:32], r2 |
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vst1.32 {d0[1]}, [r0,:32], r2 |
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vst1.32 {d1[0]}, [r0,:32], r2 |
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bx lr |
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endfunc |
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function ff_h264_idct_dc_add_neon, export=1 |
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vld1.16 {d2[],d3[]}, [r1,:16] |
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vrshr.s16 q1, q1, #6 |
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vld1.32 {d0[0]}, [r0,:32], r2 |
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vld1.32 {d0[1]}, [r0,:32], r2 |
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vaddw.u8 q2, q1, d0 |
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vld1.32 {d1[0]}, [r0,:32], r2 |
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vld1.32 {d1[1]}, [r0,:32], r2 |
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vaddw.u8 q1, q1, d1 |
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vqmovun.s16 d0, q2 |
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vqmovun.s16 d1, q1 |
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sub r0, r0, r2, lsl #2 |
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vst1.32 {d0[0]}, [r0,:32], r2 |
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vst1.32 {d0[1]}, [r0,:32], r2 |
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vst1.32 {d1[0]}, [r0,:32], r2 |
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vst1.32 {d1[1]}, [r0,:32], r2 |
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bx lr |
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endfunc |
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function ff_h264_idct_add16_neon, export=1 |
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push {r4-r8,lr} |
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mov r4, r0 |
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mov r5, r1 |
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mov r1, r2 |
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mov r2, r3 |
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ldr r6, [sp, #24] |
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movrel r7, scan8 |
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mov ip, #16 |
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1: ldrb r8, [r7], #1 |
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ldr r0, [r5], #4 |
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ldrb r8, [r6, r8] |
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subs r8, r8, #1 |
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blt 2f |
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ldrsh lr, [r1] |
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add r0, r0, r4 |
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movne lr, #0 |
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cmp lr, #0 |
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adrne lr, ff_h264_idct_dc_add_neon |
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adreq lr, ff_h264_idct_add_neon |
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blx lr |
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2: subs ip, ip, #1 |
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add r1, r1, #32 |
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bne 1b |
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pop {r4-r8,pc} |
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endfunc |
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function ff_h264_idct_add16intra_neon, export=1 |
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push {r4-r8,lr} |
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mov r4, r0 |
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mov r5, r1 |
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mov r1, r2 |
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mov r2, r3 |
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ldr r6, [sp, #24] |
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movrel r7, scan8 |
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mov ip, #16 |
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1: ldrb r8, [r7], #1 |
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ldr r0, [r5], #4 |
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ldrb r8, [r6, r8] |
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add r0, r0, r4 |
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cmp r8, #0 |
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ldrsh r8, [r1] |
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adrne lr, ff_h264_idct_add_neon |
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adreq lr, ff_h264_idct_dc_add_neon |
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cmpeq r8, #0 |
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blxne lr |
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subs ip, ip, #1 |
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add r1, r1, #32 |
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bne 1b |
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pop {r4-r8,pc} |
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endfunc |
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function ff_h264_idct_add8_neon, export=1 |
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push {r4-r10,lr} |
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ldm r0, {r4,r9} |
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add r5, r1, #16*4 |
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add r1, r2, #16*32 |
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mov r2, r3 |
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ldr r6, [sp, #32] |
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movrel r7, scan8+16 |
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mov ip, #7 |
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1: ldrb r8, [r7], #1 |
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ldr r0, [r5], #4 |
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ldrb r8, [r6, r8] |
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tst ip, #4 |
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addne r0, r0, r4 |
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addeq r0, r0, r9 |
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cmp r8, #0 |
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ldrsh r8, [r1] |
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adrne lr, ff_h264_idct_add_neon |
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adreq lr, ff_h264_idct_dc_add_neon |
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cmpeq r8, #0 |
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blxne lr |
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subs ip, ip, #1 |
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add r1, r1, #32 |
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bge 1b |
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pop {r4-r10,pc} |
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endfunc |
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.macro idct8x8_cols pass |
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.if \pass == 0 |
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qa .req q2 |
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qb .req q14 |
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vshr.s16 q2, q10, #1 |
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vadd.i16 q0, q8, q12 |
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vld1.16 {q14-q15},[r1,:128]! |
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vsub.i16 q1, q8, q12 |
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vshr.s16 q3, q14, #1 |
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vsub.i16 q2, q2, q14 |
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vadd.i16 q3, q3, q10 |
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.else |
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qa .req q14 |
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qb .req q2 |
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vtrn.32 q8, q10 |
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vtrn.16 q12, q13 |
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vtrn.32 q9, q11 |
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vtrn.32 q12, q2 |
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vtrn.32 q13, q15 |
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vswp d21, d4 |
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vshr.s16 q14, q10, #1 |
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vswp d17, d24 |
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vshr.s16 q3, q2, #1 |
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vswp d19, d26 |
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vadd.i16 q0, q8, q12 |
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vswp d23, d30 |
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vsub.i16 q1, q8, q12 |
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vsub.i16 q14, q14, q2 |
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vadd.i16 q3, q3, q10 |
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.endif |
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vadd.i16 q10, q1, qa |
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vsub.i16 q12, q1, qa |
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vadd.i16 q8, q0, q3 |
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vsub.i16 qb, q0, q3 |
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vsub.i16 q0, q13, q11 |
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vadd.i16 q1, q15, q9 |
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vsub.i16 qa, q15, q9 |
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vadd.i16 q3, q13, q11 |
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vsub.i16 q0, q0, q15 |
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vsub.i16 q1, q1, q11 |
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vadd.i16 qa, qa, q13 |
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vadd.i16 q3, q3, q9 |
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vshr.s16 q9, q9, #1 |
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vshr.s16 q11, q11, #1 |
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vshr.s16 q13, q13, #1 |
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vshr.s16 q15, q15, #1 |
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vsub.i16 q0, q0, q15 |
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vsub.i16 q1, q1, q11 |
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vadd.i16 qa, qa, q13 |
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vadd.i16 q3, q3, q9 |
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vshr.s16 q9, q0, #2 |
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vshr.s16 q11, q1, #2 |
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vshr.s16 q13, qa, #2 |
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vshr.s16 q15, q3, #2 |
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vsub.i16 q3, q3, q9 |
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vsub.i16 qa, q11, qa |
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vadd.i16 q1, q1, q13 |
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vadd.i16 q0, q0, q15 |
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.if \pass == 0 |
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vsub.i16 q15, q8, q3 |
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vadd.i16 q8, q8, q3 |
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vadd.i16 q9, q10, q2 |
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vsub.i16 q2, q10, q2 |
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vtrn.16 q8, q9 |
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vadd.i16 q10, q12, q1 |
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vtrn.16 q2, q15 |
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vadd.i16 q11, q14, q0 |
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vsub.i16 q13, q12, q1 |
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vtrn.16 q10, q11 |
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vsub.i16 q12, q14, q0 |
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.else |
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vsub.i16 q15, q8, q3 |
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vadd.i16 q8, q8, q3 |
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vadd.i16 q9, q10, q14 |
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vsub.i16 q14, q10, q14 |
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vadd.i16 q10, q12, q1 |
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vsub.i16 q13, q12, q1 |
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vadd.i16 q11, q2, q0 |
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vsub.i16 q12, q2, q0 |
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.endif |
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.unreq qa |
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.unreq qb |
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.endm |
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function ff_h264_idct8_add_neon, export=1 |
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vld1.16 {q8-q9}, [r1,:128]! |
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vld1.16 {q10-q11},[r1,:128]! |
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vld1.16 {q12-q13},[r1,:128]! |
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idct8x8_cols 0 |
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idct8x8_cols 1 |
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mov r3, r0 |
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vrshr.s16 q8, q8, #6 |
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vld1.8 {d0}, [r0,:64], r2 |
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vrshr.s16 q9, q9, #6 |
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vld1.8 {d1}, [r0,:64], r2 |
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vrshr.s16 q10, q10, #6 |
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vld1.8 {d2}, [r0,:64], r2 |
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vrshr.s16 q11, q11, #6 |
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vld1.8 {d3}, [r0,:64], r2 |
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vrshr.s16 q12, q12, #6 |
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vld1.8 {d4}, [r0,:64], r2 |
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vrshr.s16 q13, q13, #6 |
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vld1.8 {d5}, [r0,:64], r2 |
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vrshr.s16 q14, q14, #6 |
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vld1.8 {d6}, [r0,:64], r2 |
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vrshr.s16 q15, q15, #6 |
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vld1.8 {d7}, [r0,:64], r2 |
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vaddw.u8 q8, q8, d0 |
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vaddw.u8 q9, q9, d1 |
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vaddw.u8 q10, q10, d2 |
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vqmovun.s16 d0, q8 |
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vaddw.u8 q11, q11, d3 |
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vqmovun.s16 d1, q9 |
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vaddw.u8 q12, q12, d4 |
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vqmovun.s16 d2, q10 |
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vst1.8 {d0}, [r3,:64], r2 |
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vaddw.u8 q13, q13, d5 |
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vqmovun.s16 d3, q11 |
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vst1.8 {d1}, [r3,:64], r2 |
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vaddw.u8 q14, q14, d6 |
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vqmovun.s16 d4, q12 |
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vst1.8 {d2}, [r3,:64], r2 |
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vaddw.u8 q15, q15, d7 |
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vqmovun.s16 d5, q13 |
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vst1.8 {d3}, [r3,:64], r2 |
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vqmovun.s16 d6, q14 |
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vqmovun.s16 d7, q15 |
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vst1.8 {d4}, [r3,:64], r2 |
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vst1.8 {d5}, [r3,:64], r2 |
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vst1.8 {d6}, [r3,:64], r2 |
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vst1.8 {d7}, [r3,:64], r2 |
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sub r1, r1, #128 |
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bx lr |
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endfunc |
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function ff_h264_idct8_dc_add_neon, export=1 |
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vld1.16 {d30[],d31[]},[r1,:16] |
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vld1.32 {d0}, [r0,:64], r2 |
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vrshr.s16 q15, q15, #6 |
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vld1.32 {d1}, [r0,:64], r2 |
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vld1.32 {d2}, [r0,:64], r2 |
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vaddw.u8 q8, q15, d0 |
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vld1.32 {d3}, [r0,:64], r2 |
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vaddw.u8 q9, q15, d1 |
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vld1.32 {d4}, [r0,:64], r2 |
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vaddw.u8 q10, q15, d2 |
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vld1.32 {d5}, [r0,:64], r2 |
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vaddw.u8 q11, q15, d3 |
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vld1.32 {d6}, [r0,:64], r2 |
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vaddw.u8 q12, q15, d4 |
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vld1.32 {d7}, [r0,:64], r2 |
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vaddw.u8 q13, q15, d5 |
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vaddw.u8 q14, q15, d6 |
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vaddw.u8 q15, q15, d7 |
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vqmovun.s16 d0, q8 |
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vqmovun.s16 d1, q9 |
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vqmovun.s16 d2, q10 |
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vqmovun.s16 d3, q11 |
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sub r0, r0, r2, lsl #3 |
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vst1.32 {d0}, [r0,:64], r2 |
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vqmovun.s16 d4, q12 |
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vst1.32 {d1}, [r0,:64], r2 |
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vqmovun.s16 d5, q13 |
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vst1.32 {d2}, [r0,:64], r2 |
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vqmovun.s16 d6, q14 |
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vst1.32 {d3}, [r0,:64], r2 |
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vqmovun.s16 d7, q15 |
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vst1.32 {d4}, [r0,:64], r2 |
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vst1.32 {d5}, [r0,:64], r2 |
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vst1.32 {d6}, [r0,:64], r2 |
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vst1.32 {d7}, [r0,:64], r2 |
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bx lr |
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endfunc |
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function ff_h264_idct8_add4_neon, export=1 |
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push {r4-r8,lr} |
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mov r4, r0 |
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mov r5, r1 |
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mov r1, r2 |
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mov r2, r3 |
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ldr r6, [sp, #24] |
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movrel r7, scan8 |
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mov r12, #16 |
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1: ldrb r8, [r7], #4 |
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ldr r0, [r5], #16 |
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ldrb r8, [r6, r8] |
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subs r8, r8, #1 |
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blt 2f |
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ldrsh lr, [r1] |
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add r0, r0, r4 |
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movne lr, #0 |
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cmp lr, #0 |
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adrne lr, ff_h264_idct8_dc_add_neon |
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adreq lr, ff_h264_idct8_add_neon |
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blx lr |
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2: subs r12, r12, #4 |
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add r1, r1, #128 |
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bne 1b |
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pop {r4-r8,pc} |
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endfunc |
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.section .rodata |
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scan8: .byte 4+1*8, 5+1*8, 4+2*8, 5+2*8 |
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.byte 6+1*8, 7+1*8, 6+2*8, 7+2*8 |
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.byte 4+3*8, 5+3*8, 4+4*8, 5+4*8 |
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.byte 6+3*8, 7+3*8, 6+4*8, 7+4*8 |
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.byte 1+1*8, 2+1*8 |
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.byte 1+2*8, 2+2*8 |
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.byte 1+4*8, 2+4*8 |
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.byte 1+5*8, 2+5*8
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