Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
4349 Serge 1 
;******************************************************************************
2 
;* Copyright (c) 2012 Loren Merritt
3 
;*
4 
;* This file is part of FFmpeg.
5 
;*
6 
;* FFmpeg is free software; you can redistribute it and/or
7 
;* modify it under the terms of the GNU Lesser General Public
8 
;* License as published by the Free Software Foundation; either
9 
;* version 2.1 of the License, or (at your option) any later version.
10 
;*
11 
;* FFmpeg is distributed in the hope that it will be useful,
12 
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
13 
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 
;* Lesser General Public License for more details.
15 
;*
16 
;* You should have received a copy of the GNU Lesser General Public
17 
;* License along with FFmpeg; if not, write to the Free Software
18 
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 
;******************************************************************************
20 
 
21 
%include "libavutil/x86/x86util.asm"
22 
 
23 
SECTION .text
24 
 
25 
%macro LOWPASS 3 ; prevsample, cursample, lut
26 
    sub    %1q, %2q
27 
%if lut_bits != 8
28 
    sar    %1q, 8-lut_bits
29 
%endif
30 
    movsx  %1d, word [%3q+%1q*2]
31 
    add    %1d, %2d
32 
%endmacro
33 
 
34 
%macro LOAD 3 ; dstreg, x, bitdepth
35 
%if %3 == 8
36 
    movzx  %1, byte [srcq+%2]
37 
%else
38 
    movzx  %1, word [srcq+(%2)*2]
39 
%endif
40 
%if %3 != 16
41 
    shl    %1, 16-%3
42 
    add    %1, (1<<(15-%3))-1
43 
%endif
44 
%endmacro
45 
 
46 
%macro HQDN3D_ROW 1 ; bitdepth
47 
%if ARCH_X86_64
48 
cglobal hqdn3d_row_%1_x86, 7,10,0, src, dst, lineant, frameant, width, spatial, temporal, pixelant, t0, t1
49 
%else
50 
cglobal hqdn3d_row_%1_x86, 7,7,0, src, dst, lineant, frameant, width, spatial, temporal
51 
%endif
52 
    %assign bytedepth (%1+7)>>3
53 
    %assign lut_bits 4+4*(%1/16)
54 
    dec    widthq
55 
    lea    srcq, [srcq+widthq*bytedepth]
56 
    lea    dstq, [dstq+widthq*bytedepth]
57 
    lea    frameantq, [frameantq+widthq*2]
58 
    lea    lineantq,  [lineantq+widthq*2]
59 
    neg    widthq
60 
    %define xq widthq
61 
%if ARCH_X86_32
62 
    mov    dstmp, dstq
63 
    mov    srcmp, srcq
64 
    mov    frameantmp, frameantq
65 
    mov    lineantmp,  lineantq
66 
    %define dstq r0
67 
    %define frameantq r0
68 
    %define lineantq  r0
69 
    %define pixelantq r1
70 
    %define pixelantd r1d
71 
    DECLARE_REG_TMP 2,3
72 
%endif
73 
    LOAD   pixelantd, xq, %1
74 
ALIGN 16
75 
.loop:
76 
    movifnidn srcq, srcmp
77 
    LOAD      t0d, xq+1, %1 ; skip on the last iteration to avoid overread
78 
.loop2:
79 
    movifnidn lineantq, lineantmp
80 
    movzx     t1d, word [lineantq+xq*2]
81 
    LOWPASS   t1, pixelant, spatial
82 
    mov       [lineantq+xq*2], t1w
83 
    LOWPASS   pixelant, t0, spatial
84 
    movifnidn frameantq, frameantmp
85 
    movzx     t0d, word [frameantq+xq*2]
86 
    LOWPASS   t0, t1, temporal
87 
    mov       [frameantq+xq*2], t0w
88 
    movifnidn dstq, dstmp
89 
%if %1 != 16
90 
    shr    t0d, 16-%1 ; could eliminate this by storing from t0h, but only with some contraints on register allocation
91 
%endif
92 
%if %1 == 8
93 
    mov    [dstq+xq], t0b
94 
%else
95 
    mov    [dstq+xq*2], t0w
96 
%endif
97 
    inc    xq
98 
    jl .loop
99 
    je .loop2
100 
    REP_RET
101 
%endmacro ; HQDN3D_ROW
102 
 
103 
HQDN3D_ROW 8
104 
HQDN3D_ROW 9
105 
HQDN3D_ROW 10
106 
HQDN3D_ROW 16