| /* |
| * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/arm/asm.S" |
| |
| /* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
| .macro h264_chroma_mc8 type, codec=h264 |
| function ff_\type\()_\codec\()_chroma_mc8_neon, export=1 |
| push {r4-r7, lr} |
| ldrd r4, r5, [sp, #20] |
| .ifc \type,avg |
| mov lr, r0 |
| .endif |
| pld [r1] |
| pld [r1, r2] |
| |
| .ifc \codec,rv40 |
| movrel r6, rv40bias |
| lsr r7, r5, #1 |
| add r6, r6, r7, lsl #3 |
| lsr r7, r4, #1 |
| add r6, r6, r7, lsl #1 |
| vld1.16 {d22[],d23[]}, [r6,:16] |
| .endif |
| .ifc \codec,vc1 |
| vmov.u16 q11, #28 |
| .endif |
| |
| A muls r7, r4, r5 |
| T mul r7, r4, r5 |
| T cmp r7, #0 |
| rsb r6, r7, r5, lsl #3 |
| rsb r12, r7, r4, lsl #3 |
| sub r4, r7, r4, lsl #3 |
| sub r4, r4, r5, lsl #3 |
| add r4, r4, #64 |
| |
| beq 2f |
| |
| vdup.8 d0, r4 |
| vdup.8 d1, r12 |
| vld1.8 {d4, d5}, [r1], r2 |
| vdup.8 d2, r6 |
| vdup.8 d3, r7 |
| vext.8 d5, d4, d5, #1 |
| |
| 1: vld1.8 {d6, d7}, [r1], r2 |
| vmull.u8 q8, d4, d0 |
| vmlal.u8 q8, d5, d1 |
| vext.8 d7, d6, d7, #1 |
| vld1.8 {d4, d5}, [r1], r2 |
| vmlal.u8 q8, d6, d2 |
| pld [r1] |
| vext.8 d5, d4, d5, #1 |
| vmlal.u8 q8, d7, d3 |
| vmull.u8 q9, d6, d0 |
| subs r3, r3, #2 |
| vmlal.u8 q9, d7, d1 |
| vmlal.u8 q9, d4, d2 |
| vmlal.u8 q9, d5, d3 |
| pld [r1, r2] |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| vrshrn.u16 d17, q9, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vadd.u16 q9, q9, q11 |
| vshrn.u16 d16, q8, #6 |
| vshrn.u16 d17, q9, #6 |
| .endif |
| .ifc \type,avg |
| vld1.8 {d20}, [lr,:64], r2 |
| vld1.8 {d21}, [lr,:64], r2 |
| vrhadd.u8 q8, q8, q10 |
| .endif |
| vst1.8 {d16}, [r0,:64], r2 |
| vst1.8 {d17}, [r0,:64], r2 |
| bgt 1b |
| |
| pop {r4-r7, pc} |
| |
| 2: adds r12, r12, r6 |
| vdup.8 d0, r4 |
| beq 5f |
| tst r6, r6 |
| vdup.8 d1, r12 |
| |
| beq 4f |
| |
| vld1.8 {d4}, [r1], r2 |
| |
| 3: vld1.8 {d6}, [r1], r2 |
| vmull.u8 q8, d4, d0 |
| vmlal.u8 q8, d6, d1 |
| vld1.8 {d4}, [r1], r2 |
| vmull.u8 q9, d6, d0 |
| vmlal.u8 q9, d4, d1 |
| pld [r1] |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| vrshrn.u16 d17, q9, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vadd.u16 q9, q9, q11 |
| vshrn.u16 d16, q8, #6 |
| vshrn.u16 d17, q9, #6 |
| .endif |
| pld [r1, r2] |
| .ifc \type,avg |
| vld1.8 {d20}, [lr,:64], r2 |
| vld1.8 {d21}, [lr,:64], r2 |
| vrhadd.u8 q8, q8, q10 |
| .endif |
| subs r3, r3, #2 |
| vst1.8 {d16}, [r0,:64], r2 |
| vst1.8 {d17}, [r0,:64], r2 |
| bgt 3b |
| |
| pop {r4-r7, pc} |
| |
| 4: vld1.8 {d4, d5}, [r1], r2 |
| vld1.8 {d6, d7}, [r1], r2 |
| vext.8 d5, d4, d5, #1 |
| vext.8 d7, d6, d7, #1 |
| pld [r1] |
| subs r3, r3, #2 |
| vmull.u8 q8, d4, d0 |
| vmlal.u8 q8, d5, d1 |
| vmull.u8 q9, d6, d0 |
| vmlal.u8 q9, d7, d1 |
| pld [r1, r2] |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| vrshrn.u16 d17, q9, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vadd.u16 q9, q9, q11 |
| vshrn.u16 d16, q8, #6 |
| vshrn.u16 d17, q9, #6 |
| .endif |
| .ifc \type,avg |
| vld1.8 {d20}, [lr,:64], r2 |
| vld1.8 {d21}, [lr,:64], r2 |
| vrhadd.u8 q8, q8, q10 |
| .endif |
| vst1.8 {d16}, [r0,:64], r2 |
| vst1.8 {d17}, [r0,:64], r2 |
| bgt 4b |
| |
| pop {r4-r7, pc} |
| |
| 5: vld1.8 {d4}, [r1], r2 |
| vld1.8 {d5}, [r1], r2 |
| pld [r1] |
| subs r3, r3, #2 |
| vmull.u8 q8, d4, d0 |
| vmull.u8 q9, d5, d0 |
| pld [r1, r2] |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| vrshrn.u16 d17, q9, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vadd.u16 q9, q9, q11 |
| vshrn.u16 d16, q8, #6 |
| vshrn.u16 d17, q9, #6 |
| .endif |
| .ifc \type,avg |
| vld1.8 {d20}, [lr,:64], r2 |
| vld1.8 {d21}, [lr,:64], r2 |
| vrhadd.u8 q8, q8, q10 |
| .endif |
| vst1.8 {d16}, [r0,:64], r2 |
| vst1.8 {d17}, [r0,:64], r2 |
| bgt 5b |
| |
| pop {r4-r7, pc} |
| endfunc |
| .endm |
| |
| /* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
| .macro h264_chroma_mc4 type, codec=h264 |
| function ff_\type\()_\codec\()_chroma_mc4_neon, export=1 |
| push {r4-r7, lr} |
| ldrd r4, r5, [sp, #20] |
| .ifc \type,avg |
| mov lr, r0 |
| .endif |
| pld [r1] |
| pld [r1, r2] |
| |
| .ifc \codec,rv40 |
| movrel r6, rv40bias |
| lsr r7, r5, #1 |
| add r6, r6, r7, lsl #3 |
| lsr r7, r4, #1 |
| add r6, r6, r7, lsl #1 |
| vld1.16 {d22[],d23[]}, [r6,:16] |
| .endif |
| .ifc \codec,vc1 |
| vmov.u16 q11, #28 |
| .endif |
| |
| A muls r7, r4, r5 |
| T mul r7, r4, r5 |
| T cmp r7, #0 |
| rsb r6, r7, r5, lsl #3 |
| rsb r12, r7, r4, lsl #3 |
| sub r4, r7, r4, lsl #3 |
| sub r4, r4, r5, lsl #3 |
| add r4, r4, #64 |
| |
| beq 2f |
| |
| vdup.8 d0, r4 |
| vdup.8 d1, r12 |
| vld1.8 {d4}, [r1], r2 |
| vdup.8 d2, r6 |
| vdup.8 d3, r7 |
| |
| vext.8 d5, d4, d5, #1 |
| vtrn.32 d4, d5 |
| |
| vtrn.32 d0, d1 |
| vtrn.32 d2, d3 |
| |
| 1: vld1.8 {d6}, [r1], r2 |
| vext.8 d7, d6, d7, #1 |
| vtrn.32 d6, d7 |
| vmull.u8 q8, d4, d0 |
| vmlal.u8 q8, d6, d2 |
| vld1.8 {d4}, [r1], r2 |
| vext.8 d5, d4, d5, #1 |
| vtrn.32 d4, d5 |
| pld [r1] |
| vmull.u8 q9, d6, d0 |
| vmlal.u8 q9, d4, d2 |
| vadd.i16 d16, d16, d17 |
| vadd.i16 d17, d18, d19 |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vshrn.u16 d16, q8, #6 |
| .endif |
| subs r3, r3, #2 |
| pld [r1, r2] |
| .ifc \type,avg |
| vld1.32 {d20[0]}, [lr,:32], r2 |
| vld1.32 {d20[1]}, [lr,:32], r2 |
| vrhadd.u8 d16, d16, d20 |
| .endif |
| vst1.32 {d16[0]}, [r0,:32], r2 |
| vst1.32 {d16[1]}, [r0,:32], r2 |
| bgt 1b |
| |
| pop {r4-r7, pc} |
| |
| 2: adds r12, r12, r6 |
| vdup.8 d0, r4 |
| beq 5f |
| tst r6, r6 |
| vdup.8 d1, r12 |
| vtrn.32 d0, d1 |
| |
| beq 4f |
| |
| vext.32 d1, d0, d1, #1 |
| vld1.32 {d4[0]}, [r1], r2 |
| |
| 3: vld1.32 {d4[1]}, [r1], r2 |
| vmull.u8 q8, d4, d0 |
| vld1.32 {d4[0]}, [r1], r2 |
| vmull.u8 q9, d4, d1 |
| vadd.i16 d16, d16, d17 |
| vadd.i16 d17, d18, d19 |
| pld [r1] |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vshrn.u16 d16, q8, #6 |
| .endif |
| .ifc \type,avg |
| vld1.32 {d20[0]}, [lr,:32], r2 |
| vld1.32 {d20[1]}, [lr,:32], r2 |
| vrhadd.u8 d16, d16, d20 |
| .endif |
| subs r3, r3, #2 |
| pld [r1, r2] |
| vst1.32 {d16[0]}, [r0,:32], r2 |
| vst1.32 {d16[1]}, [r0,:32], r2 |
| bgt 3b |
| |
| pop {r4-r7, pc} |
| |
| 4: vld1.8 {d4}, [r1], r2 |
| vld1.8 {d6}, [r1], r2 |
| vext.8 d5, d4, d5, #1 |
| vext.8 d7, d6, d7, #1 |
| vtrn.32 d4, d5 |
| vtrn.32 d6, d7 |
| vmull.u8 q8, d4, d0 |
| vmull.u8 q9, d6, d0 |
| subs r3, r3, #2 |
| vadd.i16 d16, d16, d17 |
| vadd.i16 d17, d18, d19 |
| pld [r1] |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vshrn.u16 d16, q8, #6 |
| .endif |
| .ifc \type,avg |
| vld1.32 {d20[0]}, [lr,:32], r2 |
| vld1.32 {d20[1]}, [lr,:32], r2 |
| vrhadd.u8 d16, d16, d20 |
| .endif |
| pld [r1] |
| vst1.32 {d16[0]}, [r0,:32], r2 |
| vst1.32 {d16[1]}, [r0,:32], r2 |
| bgt 4b |
| |
| pop {r4-r7, pc} |
| |
| 5: vld1.32 {d4[0]}, [r1], r2 |
| vld1.32 {d4[1]}, [r1], r2 |
| vmull.u8 q8, d4, d0 |
| subs r3, r3, #2 |
| pld [r1] |
| .ifc \codec,h264 |
| vrshrn.u16 d16, q8, #6 |
| .else |
| vadd.u16 q8, q8, q11 |
| vshrn.u16 d16, q8, #6 |
| .endif |
| .ifc \type,avg |
| vld1.32 {d20[0]}, [lr,:32], r2 |
| vld1.32 {d20[1]}, [lr,:32], r2 |
| vrhadd.u8 d16, d16, d20 |
| .endif |
| pld [r1] |
| vst1.32 {d16[0]}, [r0,:32], r2 |
| vst1.32 {d16[1]}, [r0,:32], r2 |
| bgt 5b |
| |
| pop {r4-r7, pc} |
| endfunc |
| .endm |
| |
| .macro h264_chroma_mc2 type |
| function ff_\type\()_h264_chroma_mc2_neon, export=1 |
| push {r4-r6, lr} |
| ldr r4, [sp, #16] |
| ldr lr, [sp, #20] |
| pld [r1] |
| pld [r1, r2] |
| orrs r5, r4, lr |
| beq 2f |
| |
| mul r5, r4, lr |
| rsb r6, r5, lr, lsl #3 |
| rsb r12, r5, r4, lsl #3 |
| sub r4, r5, r4, lsl #3 |
| sub r4, r4, lr, lsl #3 |
| add r4, r4, #64 |
| vdup.8 d0, r4 |
| vdup.8 d2, r12 |
| vdup.8 d1, r6 |
| vdup.8 d3, r5 |
| vtrn.16 q0, q1 |
| 1: |
| vld1.32 {d4[0]}, [r1], r2 |
| vld1.32 {d4[1]}, [r1], r2 |
| vrev64.32 d5, d4 |
| vld1.32 {d5[1]}, [r1] |
| vext.8 q3, q2, q2, #1 |
| vtrn.16 q2, q3 |
| vmull.u8 q8, d4, d0 |
| vmlal.u8 q8, d5, d1 |
| .ifc \type,avg |
| vld1.16 {d18[0]}, [r0,:16], r2 |
| vld1.16 {d18[1]}, [r0,:16] |
| sub r0, r0, r2 |
| .endif |
| vtrn.32 d16, d17 |
| vadd.i16 d16, d16, d17 |
| vrshrn.u16 d16, q8, #6 |
| .ifc \type,avg |
| vrhadd.u8 d16, d16, d18 |
| .endif |
| vst1.16 {d16[0]}, [r0,:16], r2 |
| vst1.16 {d16[1]}, [r0,:16], r2 |
| subs r3, r3, #2 |
| bgt 1b |
| pop {r4-r6, pc} |
| 2: |
| .ifc \type,put |
| ldrh_post r5, r1, r2 |
| strh_post r5, r0, r2 |
| ldrh_post r6, r1, r2 |
| strh_post r6, r0, r2 |
| .else |
| vld1.16 {d16[0]}, [r1], r2 |
| vld1.16 {d16[1]}, [r1], r2 |
| vld1.16 {d18[0]}, [r0,:16], r2 |
| vld1.16 {d18[1]}, [r0,:16] |
| sub r0, r0, r2 |
| vrhadd.u8 d16, d16, d18 |
| vst1.16 {d16[0]}, [r0,:16], r2 |
| vst1.16 {d16[1]}, [r0,:16], r2 |
| .endif |
| subs r3, r3, #2 |
| bgt 2b |
| pop {r4-r6, pc} |
| endfunc |
| .endm |
| |
| h264_chroma_mc8 put |
| h264_chroma_mc8 avg |
| h264_chroma_mc4 put |
| h264_chroma_mc4 avg |
| h264_chroma_mc2 put |
| h264_chroma_mc2 avg |
| |
| #if CONFIG_RV40_DECODER |
| const rv40bias |
| .short 0, 16, 32, 16 |
| .short 32, 28, 32, 28 |
| .short 0, 32, 16, 32 |
| .short 32, 28, 32, 28 |
| endconst |
| |
| h264_chroma_mc8 put, rv40 |
| h264_chroma_mc8 avg, rv40 |
| h264_chroma_mc4 put, rv40 |
| h264_chroma_mc4 avg, rv40 |
| #endif |
| |
| #if CONFIG_VC1_DECODER |
| h264_chroma_mc8 put, vc1 |
| h264_chroma_mc8 avg, vc1 |
| h264_chroma_mc4 put, vc1 |
| h264_chroma_mc4 avg, vc1 |
| #endif |
