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400 lines
12 KiB
400 lines
12 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 "libavutil/arm/asm.S" |
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/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
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.macro h264_chroma_mc8 type, codec=h264 |
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function ff_\type\()_\codec\()_chroma_mc8_neon, export=1 |
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push {r4-r7, lr} |
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ldrd r4, r5, [sp, #20] |
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.ifc \type,avg |
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mov lr, r0 |
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.endif |
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pld [r1] |
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pld [r1, r2] |
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.ifc \codec,rv40 |
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movrel r6, rv40bias |
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lsr r7, r5, #1 |
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add r6, r6, r7, lsl #3 |
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lsr r7, r4, #1 |
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add r6, r6, r7, lsl #1 |
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vld1.16 {d22[],d23[]}, [r6,:16] |
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.endif |
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A muls r7, r4, r5 |
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T mul r7, r4, r5 |
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T cmp r7, #0 |
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rsb r6, r7, r5, lsl #3 |
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rsb r12, r7, r4, lsl #3 |
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sub r4, r7, r4, lsl #3 |
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sub r4, r4, r5, lsl #3 |
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add r4, r4, #64 |
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beq 2f |
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vdup.8 d0, r4 |
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vdup.8 d1, r12 |
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vld1.8 {d4, d5}, [r1], r2 |
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vdup.8 d2, r6 |
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vdup.8 d3, r7 |
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vext.8 d5, d4, d5, #1 |
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1: vld1.8 {d6, d7}, [r1], r2 |
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vmull.u8 q8, d4, d0 |
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vmlal.u8 q8, d5, d1 |
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vext.8 d7, d6, d7, #1 |
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vld1.8 {d4, d5}, [r1], r2 |
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vmlal.u8 q8, d6, d2 |
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pld [r1] |
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vext.8 d5, d4, d5, #1 |
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vmlal.u8 q8, d7, d3 |
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vmull.u8 q9, d6, d0 |
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subs r3, r3, #2 |
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vmlal.u8 q9, d7, d1 |
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vmlal.u8 q9, d4, d2 |
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vmlal.u8 q9, d5, d3 |
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pld [r1, r2] |
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.ifc \codec,h264 |
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vrshrn.u16 d16, q8, #6 |
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vrshrn.u16 d17, q9, #6 |
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.else |
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vadd.u16 q8, q8, q11 |
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vadd.u16 q9, q9, q11 |
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vshrn.u16 d16, q8, #6 |
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vshrn.u16 d17, q9, #6 |
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.endif |
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.ifc \type,avg |
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vld1.8 {d20}, [lr,:64], r2 |
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vld1.8 {d21}, [lr,:64], r2 |
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vrhadd.u8 q8, q8, q10 |
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.endif |
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vst1.8 {d16}, [r0,:64], r2 |
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vst1.8 {d17}, [r0,:64], r2 |
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bgt 1b |
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pop {r4-r7, pc} |
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2: tst r6, r6 |
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add r12, r12, r6 |
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vdup.8 d0, r4 |
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vdup.8 d1, r12 |
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beq 4f |
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vld1.8 {d4}, [r1], r2 |
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3: vld1.8 {d6}, [r1], r2 |
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vmull.u8 q8, d4, d0 |
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vmlal.u8 q8, d6, d1 |
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vld1.8 {d4}, [r1], r2 |
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vmull.u8 q9, d6, d0 |
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vmlal.u8 q9, d4, d1 |
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pld [r1] |
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.ifc \codec,h264 |
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vrshrn.u16 d16, q8, #6 |
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vrshrn.u16 d17, q9, #6 |
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.else |
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vadd.u16 q8, q8, q11 |
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vadd.u16 q9, q9, q11 |
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vshrn.u16 d16, q8, #6 |
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vshrn.u16 d17, q9, #6 |
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.endif |
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pld [r1, r2] |
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.ifc \type,avg |
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vld1.8 {d20}, [lr,:64], r2 |
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vld1.8 {d21}, [lr,:64], r2 |
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vrhadd.u8 q8, q8, q10 |
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.endif |
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subs r3, r3, #2 |
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vst1.8 {d16}, [r0,:64], r2 |
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vst1.8 {d17}, [r0,:64], r2 |
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bgt 3b |
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pop {r4-r7, pc} |
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4: vld1.8 {d4, d5}, [r1], r2 |
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vld1.8 {d6, d7}, [r1], r2 |
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vext.8 d5, d4, d5, #1 |
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vext.8 d7, d6, d7, #1 |
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pld [r1] |
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subs r3, r3, #2 |
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vmull.u8 q8, d4, d0 |
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vmlal.u8 q8, d5, d1 |
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vmull.u8 q9, d6, d0 |
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vmlal.u8 q9, d7, d1 |
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pld [r1, r2] |
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.ifc \codec,h264 |
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vrshrn.u16 d16, q8, #6 |
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vrshrn.u16 d17, q9, #6 |
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.else |
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vadd.u16 q8, q8, q11 |
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vadd.u16 q9, q9, q11 |
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vshrn.u16 d16, q8, #6 |
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vshrn.u16 d17, q9, #6 |
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.endif |
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.ifc \type,avg |
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vld1.8 {d20}, [lr,:64], r2 |
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vld1.8 {d21}, [lr,:64], r2 |
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vrhadd.u8 q8, q8, q10 |
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.endif |
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vst1.8 {d16}, [r0,:64], r2 |
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vst1.8 {d17}, [r0,:64], r2 |
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bgt 4b |
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pop {r4-r7, pc} |
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endfunc |
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.endm |
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/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
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.macro h264_chroma_mc4 type, codec=h264 |
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function ff_\type\()_\codec\()_chroma_mc4_neon, export=1 |
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push {r4-r7, lr} |
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ldrd r4, r5, [sp, #20] |
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.ifc \type,avg |
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mov lr, r0 |
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.endif |
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pld [r1] |
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pld [r1, r2] |
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.ifc \codec,rv40 |
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movrel r6, rv40bias |
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lsr r7, r5, #1 |
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add r6, r6, r7, lsl #3 |
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lsr r7, r4, #1 |
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add r6, r6, r7, lsl #1 |
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vld1.16 {d22[],d23[]}, [r6,:16] |
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.endif |
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A muls r7, r4, r5 |
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T mul r7, r4, r5 |
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T cmp r7, #0 |
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rsb r6, r7, r5, lsl #3 |
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rsb r12, r7, r4, lsl #3 |
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sub r4, r7, r4, lsl #3 |
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sub r4, r4, r5, lsl #3 |
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add r4, r4, #64 |
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beq 2f |
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vdup.8 d0, r4 |
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vdup.8 d1, r12 |
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vld1.8 {d4}, [r1], r2 |
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vdup.8 d2, r6 |
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vdup.8 d3, r7 |
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vext.8 d5, d4, d5, #1 |
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vtrn.32 d4, d5 |
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vtrn.32 d0, d1 |
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vtrn.32 d2, d3 |
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1: vld1.8 {d6}, [r1], r2 |
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vext.8 d7, d6, d7, #1 |
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vtrn.32 d6, d7 |
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vmull.u8 q8, d4, d0 |
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vmlal.u8 q8, d6, d2 |
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vld1.8 {d4}, [r1], r2 |
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vext.8 d5, d4, d5, #1 |
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vtrn.32 d4, d5 |
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pld [r1] |
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vmull.u8 q9, d6, d0 |
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vmlal.u8 q9, d4, d2 |
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vadd.i16 d16, d16, d17 |
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vadd.i16 d17, d18, d19 |
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.ifc \codec,h264 |
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vrshrn.u16 d16, q8, #6 |
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.else |
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vadd.u16 q8, q8, q11 |
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vshrn.u16 d16, q8, #6 |
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.endif |
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subs r3, r3, #2 |
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pld [r1, r2] |
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.ifc \type,avg |
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vld1.32 {d20[0]}, [lr,:32], r2 |
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vld1.32 {d20[1]}, [lr,:32], r2 |
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vrhadd.u8 d16, d16, d20 |
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.endif |
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vst1.32 {d16[0]}, [r0,:32], r2 |
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vst1.32 {d16[1]}, [r0,:32], r2 |
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bgt 1b |
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pop {r4-r7, pc} |
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2: tst r6, r6 |
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add r12, r12, r6 |
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vdup.8 d0, r4 |
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vdup.8 d1, r12 |
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vtrn.32 d0, d1 |
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beq 4f |
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vext.32 d1, d0, d1, #1 |
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vld1.32 {d4[0]}, [r1], r2 |
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3: vld1.32 {d4[1]}, [r1], r2 |
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vmull.u8 q8, d4, d0 |
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vld1.32 {d4[0]}, [r1], r2 |
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vmull.u8 q9, d4, d1 |
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vadd.i16 d16, d16, d17 |
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vadd.i16 d17, d18, d19 |
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pld [r1] |
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.ifc \codec,h264 |
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vrshrn.u16 d16, q8, #6 |
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.else |
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vadd.u16 q8, q8, q11 |
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vshrn.u16 d16, q8, #6 |
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.endif |
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.ifc \type,avg |
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vld1.32 {d20[0]}, [lr,:32], r2 |
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vld1.32 {d20[1]}, [lr,:32], r2 |
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vrhadd.u8 d16, d16, d20 |
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.endif |
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subs r3, r3, #2 |
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pld [r1, r2] |
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vst1.32 {d16[0]}, [r0,:32], r2 |
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vst1.32 {d16[1]}, [r0,:32], r2 |
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bgt 3b |
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pop {r4-r7, pc} |
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4: vld1.8 {d4}, [r1], r2 |
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vld1.8 {d6}, [r1], r2 |
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vext.8 d5, d4, d5, #1 |
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vext.8 d7, d6, d7, #1 |
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vtrn.32 d4, d5 |
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vtrn.32 d6, d7 |
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vmull.u8 q8, d4, d0 |
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vmull.u8 q9, d6, d0 |
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subs r3, r3, #2 |
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vadd.i16 d16, d16, d17 |
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vadd.i16 d17, d18, d19 |
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pld [r1] |
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.ifc \codec,h264 |
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vrshrn.u16 d16, q8, #6 |
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.else |
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vadd.u16 q8, q8, q11 |
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vshrn.u16 d16, q8, #6 |
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.endif |
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.ifc \type,avg |
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vld1.32 {d20[0]}, [lr,:32], r2 |
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vld1.32 {d20[1]}, [lr,:32], r2 |
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vrhadd.u8 d16, d16, d20 |
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.endif |
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pld [r1] |
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vst1.32 {d16[0]}, [r0,:32], r2 |
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vst1.32 {d16[1]}, [r0,:32], r2 |
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bgt 4b |
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pop {r4-r7, pc} |
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endfunc |
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.endm |
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.macro h264_chroma_mc2 type |
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function ff_\type\()_h264_chroma_mc2_neon, export=1 |
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push {r4-r6, lr} |
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ldr r4, [sp, #16] |
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ldr lr, [sp, #20] |
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pld [r1] |
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pld [r1, r2] |
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orrs r5, r4, lr |
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beq 2f |
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mul r5, r4, lr |
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rsb r6, r5, lr, lsl #3 |
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rsb r12, r5, r4, lsl #3 |
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sub r4, r5, r4, lsl #3 |
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sub r4, r4, lr, lsl #3 |
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add r4, r4, #64 |
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vdup.8 d0, r4 |
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vdup.8 d2, r12 |
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vdup.8 d1, r6 |
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vdup.8 d3, r5 |
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vtrn.16 q0, q1 |
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1: |
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vld1.32 {d4[0]}, [r1], r2 |
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vld1.32 {d4[1]}, [r1], r2 |
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vrev64.32 d5, d4 |
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vld1.32 {d5[1]}, [r1] |
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vext.8 q3, q2, q2, #1 |
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vtrn.16 q2, q3 |
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vmull.u8 q8, d4, d0 |
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vmlal.u8 q8, d5, d1 |
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.ifc \type,avg |
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vld1.16 {d18[0]}, [r0,:16], r2 |
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vld1.16 {d18[1]}, [r0,:16] |
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sub r0, r0, r2 |
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.endif |
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vtrn.32 d16, d17 |
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vadd.i16 d16, d16, d17 |
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vrshrn.u16 d16, q8, #6 |
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.ifc \type,avg |
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vrhadd.u8 d16, d16, d18 |
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.endif |
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vst1.16 {d16[0]}, [r0,:16], r2 |
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vst1.16 {d16[1]}, [r0,:16], r2 |
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subs r3, r3, #2 |
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bgt 1b |
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pop {r4-r6, pc} |
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2: |
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.ifc \type,put |
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ldrh_post r5, r1, r2 |
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strh_post r5, r0, r2 |
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ldrh_post r6, r1, r2 |
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strh_post r6, r0, r2 |
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.else |
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vld1.16 {d16[0]}, [r1], r2 |
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vld1.16 {d16[1]}, [r1], r2 |
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vld1.16 {d18[0]}, [r0,:16], r2 |
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vld1.16 {d18[1]}, [r0,:16] |
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sub r0, r0, r2 |
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vrhadd.u8 d16, d16, d18 |
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vst1.16 {d16[0]}, [r0,:16], r2 |
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vst1.16 {d16[1]}, [r0,:16], r2 |
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.endif |
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subs r3, r3, #2 |
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bgt 2b |
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pop {r4-r6, pc} |
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endfunc |
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.endm |
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#if CONFIG_H264_DECODER |
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h264_chroma_mc8 put |
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h264_chroma_mc8 avg |
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h264_chroma_mc4 put |
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h264_chroma_mc4 avg |
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h264_chroma_mc2 put |
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h264_chroma_mc2 avg |
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#endif |
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#if CONFIG_RV40_DECODER |
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const rv40bias |
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.short 0, 16, 32, 16 |
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.short 32, 28, 32, 28 |
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.short 0, 32, 16, 32 |
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.short 32, 28, 32, 28 |
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endconst |
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h264_chroma_mc8 put, rv40 |
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h264_chroma_mc8 avg, rv40 |
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h264_chroma_mc4 put, rv40 |
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h264_chroma_mc4 avg, rv40 |
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#endif
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