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Diffstat (limited to 'libavcodec/arm/hevc_mc.S')
-rw-r--r-- | libavcodec/arm/hevc_mc.S | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/libavcodec/arm/hevc_mc.S b/libavcodec/arm/hevc_mc.S deleted file mode 100644 index f499d29..0000000 --- a/libavcodec/arm/hevc_mc.S +++ /dev/null @@ -1,395 +0,0 @@ -/* - * ARM NEON optimised MC functions for HEVC decoding - * - * Copyright (c) 2017 Alexandra Hájková - * - * 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" - -.macro get_pixels4 bitdepth -function ff_hevc_get_pixels_4_\bitdepth\()_neon, export=1 -@r0 dst, r1 dststride, r2 src, r3 srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - -1: - .if \bitdepth == 8 - vld1.32 {d0[0]}, [r2], r3 - vld1.32 {d1[0]}, [r2], r3 - vld1.32 {d2[0]}, [r2], r3 - vld1.32 {d3[0]}, [r2], r3 - vshll.u8 q8, d0, #6 - vshll.u8 q9, d1, #6 - vshll.u8 q10, d2, #6 - vshll.u8 q11, d3, #6 - .else - vld1.16 {d0}, [r2], r3 - vld1.16 {d1}, [r2], r3 - vld1.16 {d2}, [r2], r3 - vld1.16 {d3}, [r2], r3 - vshl.i16 d16, d0, #4 - vshl.i16 d18, d1, #4 - vshl.i16 d20, d2, #4 - vshl.i16 d22, d3, #4 - .endif - - vst1.16 {d16}, [r0, :64], r1 - vst1.16 {d18}, [r0, :64], r1 - vst1.16 {d20}, [r0, :64], r1 - vst1.16 {d22}, [r0, :64], r1 - subs r12, #4 - bgt 1b - - bx lr -endfunc -.endm - -.macro get_pixels8 bitdepth -function ff_hevc_get_pixels_8_\bitdepth\()_neon, export=1 -@r0 dst, r1 dststride, r2 src, r3 srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - -1: - .if \bitdepth == 8 - vld1.8 {d0}, [r2], r3 - vld1.8 {d1}, [r2], r3 - vld1.8 {d2}, [r2], r3 - vld1.8 {d3}, [r2], r3 - vshll.u8 q8, d0, #6 - vshll.u8 q9, d1, #6 - vshll.u8 q10, d2, #6 - vshll.u8 q11, d3, #6 - .else - vld1.16 {d16-d17}, [r2], r3 - vld1.16 {d18-d19}, [r2], r3 - vld1.16 {d20-d21}, [r2], r3 - vld1.16 {d22-d23}, [r2], r3 - vshl.i16 q8, q8, #4 - vshl.i16 q9, q9, #4 - vshl.i16 q10, q10, #4 - vshl.i16 q11, q11, #4 - .endif - - vst1.16 {d16-d17}, [r0, :64], r1 - vst1.16 {d18-d19}, [r0, :64], r1 - vst1.16 {d20-d21}, [r0, :64], r1 - vst1.16 {d22-d23}, [r0, :64], r1 - subs r12, #4 - bgt 1b - - bx lr -endfunc -.endm - -.macro get_pixels12 bitdepth -function ff_hevc_get_pixels_12_\bitdepth\()_neon, export=1 -@r0 - dst, r1 - dststride, r2 - src, r3 - srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - push {r4-r5, lr} - add r4, r0, #16 - -1: - .if \bitdepth == 8 - add r5, r2, #8 - vld1.8 {d0}, [r2], r3 - vld1.32 {d4[0]}, [r5], r3 - vld1.8 {d1}, [r2], r3 - vld1.32 {d5[0]}, [r5], r3 - vld1.8 {d2}, [r2], r3 - vld1.32 {d6[0]}, [r5], r3 - vld1.8 {d3}, [r2], r3 - vld1.32 {d7[0]}, [r5], r3 - vshll.u8 q8, d0, #6 - vshll.u8 q12, d4, #6 - vshll.u8 q9, d1, #6 - vshll.u8 q13, d5, #6 - vshll.u8 q10, d2, #6 - vshll.u8 q14, d6, #6 - vshll.u8 q11, d3, #6 - vshll.u8 q15, d7, #6 - .else - add r5, r2, #16 - vld1.16 {d16-d17}, [r2], r3 - vld1.16 {d24}, [r5], r3 - vld1.16 {d18-d19}, [r2], r3 - vld1.16 {d26}, [r5], r3 - vld1.16 {d20-d21}, [r2], r3 - vld1.16 {d28}, [r5], r3 - vld1.16 {d22-d23}, [r2], r3 - vld1.16 {d30}, [r5], r3 - vshl.i16 q8, q8, #4 - vshl.i16 d24, d24, #4 - vshl.i16 q9, q9, #4 - vshl.i16 d26, d26, #4 - vshl.i16 q10, q10, #4 - vshl.i16 d28, d28, #4 - vshl.i16 q11, q11, #4 - vshl.i16 d30, d30, #4 - .endif - - vst1.16 {d16-d17}, [r0, :64], r1 - vst1.16 {d24}, [r4, :64], r1 - vst1.16 {d18-d19}, [r0, :64], r1 - vst1.16 {d26}, [r4, :64], r1 - vst1.16 {d20-d21}, [r0, :64], r1 - vst1.16 {d28}, [r4, :64], r1 - vst1.16 {d22-d23}, [r0, :64], r1 - vst1.16 {d30}, [r4, :64], r1 - subs r12, #4 - bgt 1b - - pop {r4-r5, pc} -endfunc -.endm - -@8 bitdepth case -.macro process_8 load - vld1.8 {d0-d1}, [\load], r3 - vld1.8 {d2-d3}, [\load], r3 - vld1.8 {d4-d5}, [\load], r3 - vld1.8 {d6-d7}, [\load], r3 - vshll.u8 q8, d0, #6 - vshll.u8 q9, d1, #6 - vshll.u8 q10, d2, #6 - vshll.u8 q11, d3, #6 - vshll.u8 q12, d4, #6 - vshll.u8 q13, d5, #6 - vshll.u8 q14, d6, #6 - vshll.u8 q15, d7, #6 -.endm - -@10 bitdepth case -.macro process_10 load - vld1.16 {d16-d19}, [\load], r3 - vld1.16 {d20-d23}, [\load], r3 - vld1.16 {d24-d27}, [\load], r3 - vld1.16 {d28-d31}, [\load], r3 - vshl.i16 q8, q8, #4 - vshl.i16 q9, q9, #4 - vshl.i16 q10, q10, #4 - vshl.i16 q11, q11, #4 - vshl.i16 q12, q12, #4 - vshl.i16 q13, q13, #4 - vshl.i16 q14, q14, #4 - vshl.i16 q15, q15, #4 -.endm - -.macro store_4x16 store - vst1.16 {d16-d19}, [\store, :128], r1 - vst1.16 {d20-d23}, [\store, :128], r1 - vst1.16 {d24-d27}, [\store, :128], r1 - vst1.16 {d28-d31}, [\store, :128], r1 -.endm - -.macro get_pixels16 bitdepth -function ff_hevc_get_pixels_16_\bitdepth\()_neon, export=1 -@r0 dst, r1 dststride, r2 src, r3 srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - -1: - .if \bitdepth == 8 - process_8 r2 - .else - process_10 r2 - .endif - - store_4x16 r0 - subs r12, #4 - bgt 1b - - bx lr -endfunc -.endm - -.macro get_pixels24 bitdepth -function ff_hevc_get_pixels_24_\bitdepth\()_neon, export=1 -@r0 dst, r1 dststride, r2 src, r3 srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - - push {r0-r4, lr} - push {r12} - bl X(ff_hevc_get_pixels_8_\bitdepth\()_neon) - pop {r12} - pop {r0-r4, lr} - - .if \bitdepth == 8 - add r2, #8 - .else - add r2, #16 - .endif - add r0, #16 - b X(ff_hevc_get_pixels_16_\bitdepth\()_neon) -endfunc -.endm - -.macro get_pixels32 bitdepth -function ff_hevc_get_pixels_32_\bitdepth\()_neon, export=1 -@r0 dst, r1 dststride, r2 src, r3 srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - push {r4-r5, lr} - .if \bitdepth == 8 - add r4, r2, #16 - .else - add r4, r2, #32 - .endif - add r5, r0, #32 - -1: - .if \bitdepth == 8 - process_8 r2 - .else - process_10 r2 - .endif - store_4x16 r0 - - .if \bitdepth == 8 - process_8 r4 - .else - process_10 r4 - .endif - store_4x16 r5 - - subs r12, #4 - bgt 1b - - pop {r4-r5, pc} -endfunc -.endm - -.macro get_pixels48 bitdepth -function ff_hevc_get_pixels_48_\bitdepth\()_neon, export=1 -@r0 dst, r1 dststride, r2 src, r3 srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - - push {r0-r4, lr} - push {r12} - bl X(ff_hevc_get_pixels_16_\bitdepth\()_neon) - pop {r12} - pop {r0-r4, lr} - - .if \bitdepth == 8 - add r2, #16 - .else - add r2, #32 - .endif - add r0, #32 - b X(ff_hevc_get_pixels_32_\bitdepth\()_neon) -endfunc -.endm - -.macro get_pixels64 bitdepth -function ff_hevc_get_pixels_64_\bitdepth\()_neon, export=1 -@r0 dst, r1 dststride, r2 src, r3 srcstride - ldr r12, [sp] @height - cmp r12, #0 - it eq - bxeq lr - push {r4-r9, lr} - .if \bitdepth == 8 - add r4, r2, #16 - add r6, r4, #16 - add r8, r6, #16 - .else - add r4, r2, #32 - add r6, r4, #32 - add r8, r6, #32 - .endif - add r5, r0, #32 - add r7, r5, #32 - add r9, r7, #32 - -1: - .if \bitdepth == 8 - process_8 r2 - .else - process_10 r2 - .endif - store_4x16 r0 - - .if \bitdepth == 8 - process_8 r4 - .else - process_10 r4 - .endif - store_4x16 r5 - - .if \bitdepth == 8 - process_8 r6 - .else - process_10 r6 - .endif - store_4x16 r7 - .if \bitdepth == 8 - process_8 r8 - .else - process_10 r8 - .endif - store_4x16 r9 - - subs r12, #4 - bgt 1b - - pop {r4-r9, pc} - -endfunc -.endm - -get_pixels4 8 -get_pixels4 10 - -get_pixels8 8 -get_pixels8 10 - -get_pixels12 8 -get_pixels12 10 - -get_pixels16 8 -get_pixels16 10 - -get_pixels24 8 -get_pixels24 10 - -get_pixels32 8 -get_pixels32 10 - -get_pixels48 8 -get_pixels48 10 - -get_pixels64 8 -get_pixels64 10 |