/* * Copyright (c) 2008 Mans Rullgard * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; 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