diff options
Diffstat (limited to 'ffmpeg/libavcodec/arm/vp8_armv6.S')
| -rw-r--r-- | ffmpeg/libavcodec/arm/vp8_armv6.S | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/ffmpeg/libavcodec/arm/vp8_armv6.S b/ffmpeg/libavcodec/arm/vp8_armv6.S deleted file mode 100644 index e7d25a4..0000000 --- a/ffmpeg/libavcodec/arm/vp8_armv6.S +++ /dev/null @@ -1,248 +0,0 @@ -/* - * Copyright (C) 2010 Mans Rullgard - * - * 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" - -.macro rac_get_prob h, bs, buf, cw, pr, t0, t1 - adds \bs, \bs, \t0 - lsl \cw, \cw, \t0 - lsl \t0, \h, \t0 - rsb \h, \pr, #256 - it cs - ldrhcs \t1, [\buf], #2 - smlabb \h, \t0, \pr, \h -T itttt cs - rev16cs \t1, \t1 -A orrcs \cw, \cw, \t1, lsl \bs -T lslcs \t1, \t1, \bs -T orrcs \cw, \cw, \t1 - subcs \bs, \bs, #16 - lsr \h, \h, #8 - cmp \cw, \h, lsl #16 - itt ge - subge \cw, \cw, \h, lsl #16 - subge \h, \t0, \h -.endm - -.macro rac_get_128 h, bs, buf, cw, t0, t1 - adds \bs, \bs, \t0 - lsl \cw, \cw, \t0 - lsl \t0, \h, \t0 - it cs - ldrhcs \t1, [\buf], #2 - mov \h, #128 - it cs - rev16cs \t1, \t1 - add \h, \h, \t0, lsl #7 -A orrcs \cw, \cw, \t1, lsl \bs -T ittt cs -T lslcs \t1, \t1, \bs -T orrcs \cw, \cw, \t1 - subcs \bs, \bs, #16 - lsr \h, \h, #8 - cmp \cw, \h, lsl #16 - itt ge - subge \cw, \cw, \h, lsl #16 - subge \h, \t0, \h -.endm - -function ff_decode_block_coeffs_armv6, export=1 - push {r0,r1,r4-r11,lr} - movrelx lr, X(ff_vp56_norm_shift) - ldrd r4, r5, [sp, #44] @ token_prob, qmul - cmp r3, #0 - ldr r11, [r5] - ldm r0, {r5-r7} @ high, bits, buf - it ne - pkhtbne r11, r11, r11, asr #16 - ldr r8, [r0, #16] @ code_word -0: - ldrb r9, [lr, r5] - add r3, r3, #1 - ldrb r0, [r4, #1] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - blt 2f - - ldrb r9, [lr, r5] - ldrb r0, [r4, #2] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - ldrb r9, [lr, r5] - bge 3f - - add r4, r3, r3, lsl #5 - sxth r12, r11 - add r4, r4, r2 - adds r6, r6, r9 - add r4, r4, #11 - lsl r8, r8, r9 - it cs - ldrhcs r10, [r7], #2 - lsl r9, r5, r9 - mov r5, #128 - it cs - rev16cs r10, r10 - add r5, r5, r9, lsl #7 -T ittt cs -T lslcs r10, r10, r6 -T orrcs r8, r8, r10 -A orrcs r8, r8, r10, lsl r6 - subcs r6, r6, #16 - lsr r5, r5, #8 - cmp r8, r5, lsl #16 - movrel r10, zigzag_scan-1 - itt ge - subge r8, r8, r5, lsl #16 - subge r5, r9, r5 - ldrb r10, [r10, r3] - it ge - rsbge r12, r12, #0 - cmp r3, #16 - strh r12, [r1, r10] - bge 6f -5: - ldrb r9, [lr, r5] - ldrb r0, [r4] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - pkhtb r11, r11, r11, asr #16 - bge 0b - -6: - ldr r0, [sp] - ldr r9, [r0, #12] - cmp r7, r9 - it hi - movhi r7, r9 - stm r0, {r5-r7} @ high, bits, buf - str r8, [r0, #16] @ code_word - - add sp, sp, #8 - mov r0, r3 - pop {r4-r11,pc} -2: - add r4, r3, r3, lsl #5 - cmp r3, #16 - add r4, r4, r2 - pkhtb r11, r11, r11, asr #16 - bne 0b - b 6b -3: - ldrb r0, [r4, #3] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - ldrb r9, [lr, r5] - bge 1f - - mov r12, #2 - ldrb r0, [r4, #4] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - it ge - addge r12, #1 - ldrb r9, [lr, r5] - blt 4f - ldrb r0, [r4, #5] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - it ge - addge r12, #1 - ldrb r9, [lr, r5] - b 4f -1: - ldrb r0, [r4, #6] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - ldrb r9, [lr, r5] - bge 3f - - ldrb r0, [r4, #7] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - ldrb r9, [lr, r5] - bge 2f - - mov r12, #5 - mov r0, #159 - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - it ge - addge r12, r12, #1 - ldrb r9, [lr, r5] - b 4f -2: - mov r12, #7 - mov r0, #165 - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - it ge - addge r12, r12, #2 - ldrb r9, [lr, r5] - mov r0, #145 - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - it ge - addge r12, r12, #1 - ldrb r9, [lr, r5] - b 4f -3: - ldrb r0, [r4, #8] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - it ge - addge r4, r4, #1 - ldrb r9, [lr, r5] - ite ge - movge r12, #2 - movlt r12, #0 - ldrb r0, [r4, #9] - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - mov r9, #8 - it ge - addge r12, r12, #1 - movrelx r4, X(ff_vp8_dct_cat_prob), r1 - lsl r9, r9, r12 - ldr r4, [r4, r12, lsl #2] - add r12, r9, #3 - mov r1, #0 - ldrb r0, [r4], #1 -1: - ldrb r9, [lr, r5] - lsl r1, r1, #1 - rac_get_prob r5, r6, r7, r8, r0, r9, r10 - ldrb r0, [r4], #1 - it ge - addge r1, r1, #1 - cmp r0, #0 - bne 1b - ldrb r9, [lr, r5] - add r12, r12, r1 - ldr r1, [sp, #4] -4: - add r4, r3, r3, lsl #5 - add r4, r4, r2 - add r4, r4, #22 - rac_get_128 r5, r6, r7, r8, r9, r10 - it ge - rsbge r12, r12, #0 - smulbb r12, r12, r11 - movrel r9, zigzag_scan-1 - ldrb r9, [r9, r3] - cmp r3, #16 - strh r12, [r1, r9] - bge 6b - b 5b -endfunc - -const zigzag_scan - .byte 0, 2, 8, 16 - .byte 10, 4, 6, 12 - .byte 18, 24, 26, 20 - .byte 14, 22, 28, 30 -endconst |