diff options
Diffstat (limited to 'media/ffvpx/libavcodec/x86/simple_idct10.asm')
| -rw-r--r-- | media/ffvpx/libavcodec/x86/simple_idct10.asm | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/x86/simple_idct10.asm b/media/ffvpx/libavcodec/x86/simple_idct10.asm new file mode 100644 index 0000000000..069bb61378 --- /dev/null +++ b/media/ffvpx/libavcodec/x86/simple_idct10.asm @@ -0,0 +1,205 @@ +;****************************************************************************** +;* x86-SIMD-optimized IDCT for prores +;* this is identical to "simple" IDCT written by Michael Niedermayer +;* except for the clip range +;* +;* Copyright (c) 2011 Ronald S. Bultje <rsbultje@gmail.com> +;* Copyright (c) 2015 Christophe Gisquet +;* +;* 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 +;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "libavutil/x86/x86util.asm" + +%if ARCH_X86_64 + +SECTION_RODATA + +cextern pw_2 +cextern pw_16 +cextern pw_32 +cextern pw_1023 +cextern pw_4095 +pd_round_11: times 4 dd 1<<(11-1) +pd_round_12: times 4 dd 1<<(12-1) +pd_round_15: times 4 dd 1<<(15-1) +pd_round_19: times 4 dd 1<<(19-1) +pd_round_20: times 4 dd 1<<(20-1) + +%macro CONST_DEC 3 +const %1 +times 4 dw %2, %3 +%endmacro + +%define W1sh2 22725 ; W1 = 90901 = 22725<<2 + 1 +%define W2sh2 21407 ; W2 = 85627 = 21407<<2 - 1 +%define W3sh2 19265 ; W3 = 77062 = 19265<<2 + 2 +%define W4sh2 16384 ; W4 = 65535 = 16384<<2 - 1 +%define W3sh2_lo 19266 +%define W4sh2_lo 16383 +%define W5sh2 12873 ; W5 = 51491 = 12873<<2 - 1 +%define W6sh2 8867 ; W6 = 35468 = 8867<<2 +%define W7sh2 4520 ; W7 = 18081 = 4520<<2 + 1 + +CONST_DEC w4_plus_w2_hi, W4sh2, +W2sh2 +CONST_DEC w4_min_w2_hi, W4sh2, -W2sh2 +CONST_DEC w4_plus_w6_hi, W4sh2, +W6sh2 +CONST_DEC w4_min_w6_hi, W4sh2, -W6sh2 +CONST_DEC w1_plus_w3_hi, W1sh2, +W3sh2 +CONST_DEC w3_min_w1_hi, W3sh2, -W1sh2 +CONST_DEC w7_plus_w3_hi, W7sh2, +W3sh2 +CONST_DEC w3_min_w7_hi, W3sh2, -W7sh2 +CONST_DEC w1_plus_w5, W1sh2, +W5sh2 +CONST_DEC w5_min_w1, W5sh2, -W1sh2 +CONST_DEC w5_plus_w7, W5sh2, +W7sh2 +CONST_DEC w7_min_w5, W7sh2, -W5sh2 +CONST_DEC w4_plus_w2_lo, W4sh2_lo, +W2sh2 +CONST_DEC w4_min_w2_lo, W4sh2_lo, -W2sh2 +CONST_DEC w4_plus_w6_lo, W4sh2_lo, +W6sh2 +CONST_DEC w4_min_w6_lo, W4sh2_lo, -W6sh2 +CONST_DEC w1_plus_w3_lo, W1sh2, +W3sh2_lo +CONST_DEC w3_min_w1_lo, W3sh2_lo, -W1sh2 +CONST_DEC w7_plus_w3_lo, W7sh2, +W3sh2_lo +CONST_DEC w3_min_w7_lo, W3sh2_lo, -W7sh2 + +%include "libavcodec/x86/simple_idct10_template.asm" + +SECTION .text + +%macro STORE_HI_LO 12 + movq %1, %9 + movq %3, %10 + movq %5, %11 + movq %7, %12 + movhps %2, %9 + movhps %4, %10 + movhps %6, %11 + movhps %8, %12 +%endmacro + +%macro LOAD_ZXBW_8 16 + pmovzxbw %1, %9 + pmovzxbw %2, %10 + pmovzxbw %3, %11 + pmovzxbw %4, %12 + pmovzxbw %5, %13 + pmovzxbw %6, %14 + pmovzxbw %7, %15 + pmovzxbw %8, %16 +%endmacro + +%macro LOAD_ZXBW_4 9 + movh %1, %5 + movh %2, %6 + movh %3, %7 + movh %4, %8 + punpcklbw %1, %9 + punpcklbw %2, %9 + punpcklbw %3, %9 + punpcklbw %4, %9 +%endmacro + +%define PASS4ROWS(base, stride, stride3) \ + [base], [base + stride], [base + 2*stride], [base + stride3] + +%macro idct_fn 0 + +define_constants _lo + +cglobal simple_idct8, 1, 1, 16, 32, block + IDCT_FN "", 11, pw_32, 20, "store" +RET + +cglobal simple_idct8_put, 3, 4, 16, 32, pixels, lsize, block + IDCT_FN "", 11, pw_32, 20 + lea r3, [3*lsizeq] + lea r2, [pixelsq + r3] + packuswb m8, m0 + packuswb m1, m2 + packuswb m4, m11 + packuswb m9, m10 + STORE_HI_LO PASS8ROWS(pixelsq, r2, lsizeq, r3), m8, m1, m4, m9 +RET + +cglobal simple_idct8_add, 3, 4, 16, 32, pixels, lsize, block + IDCT_FN "", 11, pw_32, 20 + lea r2, [3*lsizeq] + %if cpuflag(sse4) + lea r3, [pixelsq + r2] + LOAD_ZXBW_8 m3, m5, m6, m7, m12, m13, m14, m15, PASS8ROWS(pixelsq, r3, lsizeq, r2) + paddsw m8, m3 + paddsw m0, m5 + paddsw m1, m6 + paddsw m2, m7 + paddsw m4, m12 + paddsw m11, m13 + paddsw m9, m14 + paddsw m10, m15 + %else + pxor m12, m12 + LOAD_ZXBW_4 m3, m5, m6, m7, PASS4ROWS(pixelsq, lsizeq, r2), m12 + paddsw m8, m3 + paddsw m0, m5 + paddsw m1, m6 + paddsw m2, m7 + lea r3, [pixelsq + 4*lsizeq] + LOAD_ZXBW_4 m3, m5, m6, m7, PASS4ROWS(r3, lsizeq, r2), m12 + paddsw m4, m3 + paddsw m11, m5 + paddsw m9, m6 + paddsw m10, m7 + lea r3, [pixelsq + r2] + %endif + packuswb m8, m0 + packuswb m1, m2 + packuswb m4, m11 + packuswb m9, m10 + STORE_HI_LO PASS8ROWS(pixelsq, r3, lsizeq, r2), m8, m1, m4, m9 +RET + +define_constants _hi + +cglobal simple_idct10, 1, 1, 16, block + IDCT_FN "", 12, "", 19, "store" + RET + +cglobal simple_idct10_put, 3, 3, 16, pixels, lsize, block + IDCT_FN "", 12, "", 19, "put", 0, pw_1023 + RET + +cglobal simple_idct12, 1, 1, 16, block + ; coeffs are already 15bits, adding the offset would cause + ; overflow in the input + IDCT_FN "", 15, pw_2, 16, "store" + RET + +cglobal simple_idct12_put, 3, 3, 16, pixels, lsize, block + ; range isn't known, so the C simple_idct range is used + ; Also, using a bias on input overflows, so use the bias + ; on output of the first butterfly instead + IDCT_FN "", 15, pw_2, 16, "put", 0, pw_4095 + RET +%endmacro + +INIT_XMM sse2 +idct_fn +%if HAVE_AVX_EXTERNAL +INIT_XMM avx +idct_fn +%endif + +%endif |