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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /media/ffvpx/libavcodec/x86/simple_idct10.asm
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--media/ffvpx/libavcodec/x86/simple_idct10.asm205
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
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+;******************************************************************************
+;* 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