FFmpeg
vf_fspp.h
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1 /*
2  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
3  * Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru>
4  * Copyright (c) 2014 Arwa Arif <arwaarif1994@gmail.com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License along
19  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
23 #ifndef AVFILTER_FSPP_H
24 #define AVFILTER_FSPP_H
25 
26 #include "avfilter.h"
27 
28 #define BLOCKSZ 12
29 #define MAX_LEVEL 5
30 
31 #define DCTSIZE 8
32 #define DCTSIZE_S "8"
33 
34 #define FIX(x,s) ((x) * (1 << s) + 0.5)
35 
36 #define MULTIPLY16H(x,k) (((x) * (k)) >> 16)
37 #define THRESHOLD(r,x,t) \
38  if(((unsigned)((x) + t)) > t * 2) r = (x); \
39  else r = 0;
40 #define DESCALE(x,n) (((x) + (1 << ((n) - 1))) >> n)
41 
43 static const int16_t FIX_0_382683433 = FIX(0.382683433, 14);
44 static const int16_t FIX_0_541196100 = FIX(0.541196100, 14);
45 static const int16_t FIX_0_707106781 = FIX(M_SQRT1_2 , 14);
46 static const int16_t FIX_1_306562965 = FIX(1.306562965, 14);
47 static const int16_t FIX_1_414213562_A = FIX(M_SQRT2 , 14);
48 static const int16_t FIX_1_847759065 = FIX(1.847759065, 13);
49 static const int16_t FIX_2_613125930 = FIX(-2.613125930, 13);
50 static const int16_t FIX_1_414213562 = FIX(M_SQRT2 , 13);
51 static const int16_t FIX_1_082392200 = FIX(1.082392200, 13);
52 
53 typedef struct FSPPContext {
54  AVClass *class;
55  uint64_t threshold_mtx_noq[8 * 2];
56  uint64_t threshold_mtx[8 * 2]; //used in both C & MMX (& later SSE2) versions
57 
59  int strength;
60  int hsub;
61  int vsub;
63  int qp;
65  int prev_q;
67  int16_t *temp;
71 
72  void (*store_slice)(uint8_t *dst, int16_t *src,
73  ptrdiff_t dst_stride, ptrdiff_t src_stride,
74  ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);
75 
76  void (*store_slice2)(uint8_t *dst, int16_t *src,
77  ptrdiff_t dst_stride, ptrdiff_t src_stride,
78  ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);
79 
80  void (*mul_thrmat)(int16_t *thr_adr_noq, int16_t *thr_adr, int q);
81 
82  void (*column_fidct)(int16_t *thr_adr, int16_t *data,
83  int16_t *output, int cnt);
84 
85  void (*row_idct)(int16_t *workspace, int16_t *output_adr,
86  ptrdiff_t output_stride, int cnt);
87 
88  void (*row_fdct)(int16_t *data, const uint8_t *pixels,
89  ptrdiff_t line_size, int cnt);
90 
91 } FSPPContext;
92 
93 void ff_fspp_init_x86(FSPPContext *fspp);
94 
95 #endif /* AVFILTER_FSPP_H */
static const int16_t FIX_1_414213562_A
Definition: vf_fspp.h:47
static const int16_t FIX_1_082392200
Definition: vf_fspp.h:51
void(* mul_thrmat)(int16_t *thr_adr_noq, int16_t *thr_adr, int q)
Definition: vf_fspp.h:80
uint64_t threshold_mtx_noq[8 *2]
Definition: vf_fspp.h:55
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:100
uint8_t * non_b_qp_table
Definition: vf_fspp.h:68
Main libavfilter public API header.
#define M_SQRT1_2
Definition: mathematics.h:58
#define FIX(x, s)
Definition: vf_fspp.h:34
void(* row_idct)(int16_t *workspace, int16_t *output_adr, ptrdiff_t output_stride, int cnt)
Definition: vf_fspp.h:85
static const int16_t FIX_2_613125930
Definition: vf_fspp.h:49
uint64_t threshold_mtx[8 *2]
Definition: vf_fspp.h:56
static const int16_t FIX_1_306562965
Definition: vf_fspp.h:46
int use_bframe_qp
Definition: vf_fspp.h:70
uint8_t
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce output
int non_b_qp_alloc_size
Definition: vf_fspp.h:69
#define height
void ff_fspp_init_x86(FSPPContext *fspp)
Definition: vf_fspp_init.c:37
uint8_t * src
Definition: vf_fspp.h:66
static const int16_t FIX_0_541196100
Definition: vf_fspp.h:44
#define width
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
int vsub
Definition: vf_fspp.h:61
int32_t
void(* column_fidct)(int16_t *thr_adr, int16_t *data, int16_t *output, int cnt)
Definition: vf_fspp.h:82
int hsub
Definition: vf_fspp.h:60
void(* store_slice)(uint8_t *dst, int16_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride, ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale)
Definition: vf_fspp.h:72
Describe the class of an AVClass context structure.
Definition: log.h:67
static const int16_t FIX_1_414213562
Definition: vf_fspp.h:50
int strength
Definition: vf_fspp.h:59
int qscale_type
Definition: vf_fspp.h:64
static const int16_t FIX_0_707106781
Definition: vf_fspp.h:45
void(* row_fdct)(int16_t *data, const uint8_t *pixels, ptrdiff_t line_size, int cnt)
Definition: vf_fspp.h:88
#define M_SQRT2
Definition: mathematics.h:61
static const int16_t FIX_0_382683433
Definition: vf_fspp.h:43
int pixels
Definition: avisynth_c.h:390
void(* store_slice2)(uint8_t *dst, int16_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride, ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale)
Definition: vf_fspp.h:76
int32_t int_simd16_t
Definition: vf_fspp.h:42
int qp
Definition: vf_fspp.h:63
int log2_count
Definition: vf_fspp.h:58
int prev_q
Definition: vf_fspp.h:65
int temp_stride
Definition: vf_fspp.h:62
int16_t * temp
Definition: vf_fspp.h:67
static const int16_t FIX_1_847759065
Definition: vf_fspp.h:48