diff options
Diffstat (limited to '')
| -rw-r--r-- | media/ffvpx/libavcodec/x86/flacdsp.asm | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/x86/flacdsp.asm b/media/ffvpx/libavcodec/x86/flacdsp.asm new file mode 100644 index 0000000000..4b2fd65435 --- /dev/null +++ b/media/ffvpx/libavcodec/x86/flacdsp.asm @@ -0,0 +1,327 @@ +;****************************************************************************** +;* FLAC DSP SIMD optimizations +;* +;* Copyright (C) 2014 Loren Merritt +;* Copyright (C) 2014 James Almer +;* +;* 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/x86/x86util.asm" + +SECTION_RODATA + +vector: db 0,1,4,5,8,9,12,13,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,0,1,4,5,8,9,12,13, + +SECTION .text + +%macro PMACSDQL 5 +%if cpuflag(xop) + pmacsdql %1, %2, %3, %1 +%else + pmuldq %2, %3 + paddq %1, %2 +%endif +%endmacro + +%macro LPC_32 1 +INIT_XMM %1 +cglobal flac_lpc_32, 5,6,5, decoded, coeffs, pred_order, qlevel, len, j + sub lend, pred_orderd + jle .ret + movsxdifnidn pred_orderq, pred_orderd + lea decodedq, [decodedq+pred_orderq*4-8] + lea coeffsq, [coeffsq+pred_orderq*4] + neg pred_orderq + movd m4, qlevelm +ALIGN 16 +.loop_sample: + movd m0, [decodedq+pred_orderq*4+8] + add decodedq, 8 + movd m1, [coeffsq+pred_orderq*4] + pxor m2, m2 + pxor m3, m3 + lea jq, [pred_orderq+1] + test jq, jq + jz .end_order +.loop_order: + PMACSDQL m2, m0, m1, m2, m0 + movd m0, [decodedq+jq*4] + PMACSDQL m3, m1, m0, m3, m1 + movd m1, [coeffsq+jq*4] + inc jq + jl .loop_order +.end_order: + PMACSDQL m2, m0, m1, m2, m0 + psrlq m2, m4 + movd m0, [decodedq] + paddd m0, m2 + movd [decodedq], m0 + sub lend, 2 + jl .ret + PMACSDQL m3, m1, m0, m3, m1 + psrlq m3, m4 + movd m1, [decodedq+4] + paddd m1, m3 + movd [decodedq+4], m1 + jg .loop_sample +.ret: + RET +%endmacro + +%if HAVE_XOP_EXTERNAL +LPC_32 xop +%endif +LPC_32 sse4 + +;---------------------------------------------------------------------------------- +;void ff_flac_decorrelate_[lrm]s_16_sse2(uint8_t **out, int32_t **in, int channels, +; int len, int shift); +;---------------------------------------------------------------------------------- +%macro FLAC_DECORRELATE_16 3-4 +cglobal flac_decorrelate_%1_16, 2, 4, 4, out, in0, in1, len +%ifidn %1, indep2 + VBROADCASTI128 m2, [vector] +%endif +%if ARCH_X86_32 + mov lend, lenm +%endif + movd m3, r4m + shl lend, 2 + mov in1q, [in0q + gprsize] + mov in0q, [in0q] + mov outq, [outq] + add in1q, lenq + add in0q, lenq + add outq, lenq + neg lenq + +align 16 +.loop: + mova m0, [in0q + lenq] + mova m1, [in1q + lenq] +%ifidn %1, ms + psrad m2, m1, 1 + psubd m0, m2 +%endif +%ifnidn %1, indep2 + p%4d m2, m0, m1 + packssdw m%2, m%2 + packssdw m%3, m%3 + punpcklwd m%2, m%3 + psllw m%2, m3 +%else + pslld m%2, m3 + pslld m%3, m3 + pshufb m%2, m%2, m2 + pshufb m%3, m%3, m2 + punpcklwd m%2, m%3 +%endif + mova [outq + lenq], m%2 + add lenq, 16 + jl .loop + RET +%endmacro + +INIT_XMM sse2 +FLAC_DECORRELATE_16 ls, 0, 2, sub +FLAC_DECORRELATE_16 rs, 2, 1, add +FLAC_DECORRELATE_16 ms, 2, 0, add + +;---------------------------------------------------------------------------------- +;void ff_flac_decorrelate_[lrm]s_32_sse2(uint8_t **out, int32_t **in, int channels, +; int len, int shift); +;---------------------------------------------------------------------------------- +%macro FLAC_DECORRELATE_32 5 +cglobal flac_decorrelate_%1_32, 2, 4, 4, out, in0, in1, len +%if ARCH_X86_32 + mov lend, lenm +%endif + movd m3, r4m + mov in1q, [in0q + gprsize] + mov in0q, [in0q] + mov outq, [outq] + sub in1q, in0q + +align 16 +.loop: + mova m0, [in0q] + mova m1, [in0q + in1q] +%ifidn %1, ms + psrad m2, m1, 1 + psubd m0, m2 +%endif + p%5d m2, m0, m1 + pslld m%2, m3 + pslld m%3, m3 + + SBUTTERFLY dq, %2, %3, %4 + + mova [outq ], m%2 + mova [outq + mmsize], m%3 + + add in0q, mmsize + add outq, mmsize*2 + sub lend, mmsize/4 + jg .loop + RET +%endmacro + +INIT_XMM sse2 +FLAC_DECORRELATE_32 ls, 0, 2, 1, sub +FLAC_DECORRELATE_32 rs, 2, 1, 0, add +FLAC_DECORRELATE_32 ms, 2, 0, 1, add + +;----------------------------------------------------------------------------------------- +;void ff_flac_decorrelate_indep<ch>_<bps>_<opt>(uint8_t **out, int32_t **in, int channels, +; int len, int shift); +;----------------------------------------------------------------------------------------- +;%1 = bps +;%2 = channels +;%3 = last xmm reg used +;%4 = word/dword (shift instruction) +%macro FLAC_DECORRELATE_INDEP 4 +%define REPCOUNT %2/(32/%1) ; 16bits = channels / 2; 32bits = channels +cglobal flac_decorrelate_indep%2_%1, 2, %2+2, %3+1, out, in0, in1, len, in2, in3, in4, in5, in6, in7 +%if ARCH_X86_32 +%if %2 == 6 + DEFINE_ARGS out, in0, in1, in2, in3, in4, in5 + %define lend dword r3m +%else + mov lend, lenm +%endif +%endif + movd m%3, r4m + +%assign %%i 1 +%rep %2-1 + mov in %+ %%i %+ q, [in0q+%%i*gprsize] +%assign %%i %%i+1 +%endrep + + mov in0q, [in0q] + mov outq, [outq] + +%assign %%i 1 +%rep %2-1 + sub in %+ %%i %+ q, in0q +%assign %%i %%i+1 +%endrep + +align 16 +.loop: + mova m0, [in0q] + +%assign %%i 1 +%rep REPCOUNT-1 + mova m %+ %%i, [in0q + in %+ %%i %+ q] +%assign %%i %%i+1 +%endrep + +%if %1 == 32 + +%if %2 == 8 + TRANSPOSE8x4D 0, 1, 2, 3, 4, 5, 6, 7, 8 +%elif %2 == 6 + SBUTTERFLY dq, 0, 1, 6 + SBUTTERFLY dq, 2, 3, 6 + SBUTTERFLY dq, 4, 5, 6 + + punpcklqdq m6, m0, m2 + punpckhqdq m2, m4 + shufps m4, m0, 0xe4 + punpcklqdq m0, m1, m3 + punpckhqdq m3, m5 + shufps m5, m1, 0xe4 + SWAP 0,6,1,4,5,3 +%elif %2 == 4 + TRANSPOSE4x4D 0, 1, 2, 3, 4 +%else ; %2 == 2 + SBUTTERFLY dq, 0, 1, 2 +%endif + +%else ; %1 == 16 + +%if %2 == 8 + packssdw m0, [in0q + in4q] + packssdw m1, [in0q + in5q] + packssdw m2, [in0q + in6q] + packssdw m3, [in0q + in7q] + TRANSPOSE2x4x4W 0, 1, 2, 3, 4 +%elif %2 == 6 + packssdw m0, [in0q + in3q] + packssdw m1, [in0q + in4q] + packssdw m2, [in0q + in5q] + pshufd m3, m0, q1032 + punpcklwd m0, m1 + punpckhwd m1, m2 + punpcklwd m2, m3 + + shufps m3, m0, m2, q2020 + shufps m0, m1, q2031 + shufps m2, m1, q3131 + shufps m1, m2, m3, q3120 + shufps m3, m0, q0220 + shufps m0, m2, q3113 + SWAP 2, 0, 3 +%else ; %2 == 4 + packssdw m0, [in0q + in2q] + packssdw m1, [in0q + in3q] + SBUTTERFLY wd, 0, 1, 2 + SBUTTERFLY dq, 0, 1, 2 +%endif + +%endif + +%assign %%i 0 +%rep REPCOUNT + psll%4 m %+ %%i, m%3 +%assign %%i %%i+1 +%endrep + +%assign %%i 0 +%rep REPCOUNT + mova [outq + %%i*mmsize], m %+ %%i +%assign %%i %%i+1 +%endrep + + add in0q, mmsize + add outq, mmsize*REPCOUNT + sub lend, mmsize/4 + jg .loop + RET +%endmacro + +INIT_XMM ssse3 +FLAC_DECORRELATE_16 indep2, 0, 1 ; Reuse stereo 16bits macro +FLAC_DECORRELATE_INDEP 32, 2, 3, d +FLAC_DECORRELATE_INDEP 16, 4, 3, w +FLAC_DECORRELATE_INDEP 32, 4, 5, d +FLAC_DECORRELATE_INDEP 16, 6, 4, w +FLAC_DECORRELATE_INDEP 32, 6, 7, d +%if ARCH_X86_64 +FLAC_DECORRELATE_INDEP 16, 8, 5, w +FLAC_DECORRELATE_INDEP 32, 8, 9, d +%endif + +INIT_XMM avx +FLAC_DECORRELATE_INDEP 32, 4, 5, d +FLAC_DECORRELATE_INDEP 32, 6, 7, d +%if ARCH_X86_64 +FLAC_DECORRELATE_INDEP 16, 8, 5, w +FLAC_DECORRELATE_INDEP 32, 8, 9, d +%endif |