diff options
Diffstat (limited to 'ffmpeg1/libavcodec/x86/sbrdsp.asm')
| -rw-r--r-- | ffmpeg1/libavcodec/x86/sbrdsp.asm | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/ffmpeg1/libavcodec/x86/sbrdsp.asm b/ffmpeg1/libavcodec/x86/sbrdsp.asm deleted file mode 100644 index 1b7f3a8..0000000 --- a/ffmpeg1/libavcodec/x86/sbrdsp.asm +++ /dev/null @@ -1,222 +0,0 @@ -;****************************************************************************** -;* AAC Spectral Band Replication decoding functions -;* Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> -;* -;* 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/x86/x86util.asm" - -SECTION_RODATA -; mask equivalent for multiply by -1.0 1.0 -ps_mask times 2 dd 1<<31, 0 -ps_neg times 4 dd 1<<31 - -SECTION_TEXT - -INIT_XMM sse -cglobal sbr_sum_square, 2, 3, 6 - mov r2, r1 - xorps m0, m0 - xorps m1, m1 - sar r2, 3 - jz .prepare -.loop: - movu m2, [r0 + 0] - movu m3, [r0 + 16] - movu m4, [r0 + 32] - movu m5, [r0 + 48] - mulps m2, m2 - mulps m3, m3 - mulps m4, m4 - mulps m5, m5 - addps m0, m2 - addps m1, m3 - addps m0, m4 - addps m1, m5 - add r0, 64 - dec r2 - jnz .loop -.prepare: - and r1, 7 - sar r1, 1 - jz .end -; len is a multiple of 2, thus there are at least 4 elements to process -.endloop: - movu m2, [r0] - add r0, 16 - mulps m2, m2 - dec r1 - addps m0, m2 - jnz .endloop -.end: - addps m0, m1 - movhlps m2, m0 - addps m0, m2 - movss m1, m0 - shufps m0, m0, 1 - addss m0, m1 -%if ARCH_X86_64 == 0 - movss r0m, m0 - fld dword r0m -%endif - RET - -%define STEP 40*4*2 -cglobal sbr_hf_g_filt, 5, 6, 5 - lea r1, [r1 + 8*r4] ; offset by ixh elements into X_high - mov r5, r3 - and r3, 0xFC - lea r2, [r2 + r3*4] - lea r0, [r0 + r3*8] - neg r3 - jz .loop1 -.loop4: - movlps m0, [r2 + 4*r3 + 0] - movlps m1, [r2 + 4*r3 + 8] - movlps m2, [r1 + 0*STEP] - movlps m3, [r1 + 2*STEP] - movhps m2, [r1 + 1*STEP] - movhps m3, [r1 + 3*STEP] - unpcklps m0, m0 - unpcklps m1, m1 - mulps m0, m2 - mulps m1, m3 - movu [r0 + 8*r3 + 0], m0 - movu [r0 + 8*r3 + 16], m1 - add r1, 4*STEP - add r3, 4 - jnz .loop4 - and r5, 3 ; number of single element loops - jz .end -.loop1: ; element 0 and 1 can be computed at the same time - movss m0, [r2] - movlps m2, [r1] - unpcklps m0, m0 - mulps m2, m0 - movlps [r0], m2 - add r0, 8 - add r2, 4 - add r1, STEP - dec r5 - jnz .loop1 -.end: - RET - -; static void sbr_hf_gen_c(float (*X_high)[2], const float (*X_low)[2], -; const float alpha0[2], const float alpha1[2], -; float bw, int start, int end) -; -cglobal sbr_hf_gen, 4,4,8, X_high, X_low, alpha0, alpha1, BW, S, E - ; load alpha factors -%define bw m0 -%if ARCH_X86_64 == 0 || WIN64 - movss bw, BWm -%endif - movlps m2, [alpha1q] - movlps m1, [alpha0q] - shufps bw, bw, 0 - mulps m2, bw ; (a1[0] a1[1])*bw - mulps m1, bw ; (a0[0] a0[1])*bw = (a2 a3) - mulps m2, bw ; (a1[0] a1[1])*bw*bw = (a0 a1) - mova m3, m1 - mova m4, m2 - - ; Set pointers -%if ARCH_X86_64 == 0 || WIN64 - ; start and end 6th and 7th args on stack - mov r2d, Sm - mov r3d, Em -%define start r2q -%define end r3q -%else -; BW does not actually occupy a register, so shift by 1 -%define start BWq -%define end Sq -%endif - sub start, end ; neg num of loops - lea X_highq, [X_highq + end*2*4] - lea X_lowq, [X_lowq + end*2*4 - 2*2*4] - shl start, 3 ; offset from num loops - - mova m0, [X_lowq + start] - shufps m3, m3, q1111 - shufps m4, m4, q1111 - xorps m3, [ps_mask] - shufps m1, m1, q0000 - shufps m2, m2, q0000 - xorps m4, [ps_mask] -.loop2: - movu m7, [X_lowq + start + 8] ; BbCc - mova m6, m0 - mova m5, m7 - shufps m0, m0, q2301 ; aAbB - shufps m7, m7, q2301 ; bBcC - mulps m0, m4 - mulps m7, m3 - mulps m6, m2 - mulps m5, m1 - addps m7, m0 - mova m0, [X_lowq + start +16] ; CcDd - addps m7, m0 - addps m6, m5 - addps m7, m6 - mova [X_highq + start], m7 - add start, 16 - jnz .loop2 - RET - -cglobal sbr_sum64x5, 1,2,4,z - lea r1q, [zq+ 256] -.loop: - mova m0, [zq+ 0] - mova m2, [zq+ 16] - mova m1, [zq+ 256] - mova m3, [zq+ 272] - addps m0, [zq+ 512] - addps m2, [zq+ 528] - addps m1, [zq+ 768] - addps m3, [zq+ 784] - addps m0, [zq+1024] - addps m2, [zq+1040] - addps m0, m1 - addps m2, m3 - mova [zq], m0 - mova [zq+16], m2 - add zq, 32 - cmp zq, r1q - jne .loop - REP_RET - -INIT_XMM sse -cglobal sbr_qmf_post_shuffle, 2,3,4,W,z - lea r2q, [zq + (64-4)*4] - mova m3, [ps_neg] -.loop: - mova m1, [zq] - xorps m0, m3, [r2q] - shufps m0, m0, m0, q0123 - unpcklps m2, m0, m1 - unpckhps m0, m0, m1 - mova [Wq + 0], m2 - mova [Wq + 16], m0 - add Wq, 32 - sub r2q, 16 - add zq, 16 - cmp zq, r2q - jl .loop - REP_RET |