FFmpeg
jpeg2000dsp.c
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1 /*
2  * Copyright (c) 2015 James Almer
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (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
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #include "checkasm.h"
22 #include "libavcodec/jpeg2000dsp.h"
23 #include "libavutil/common.h"
24 #include "libavutil/internal.h"
25 #include "libavutil/intreadwrite.h"
26 #include "libavutil/mem_internal.h"
27 
28 #define BUF_SIZE 512
29 
30 #define randomize_buffers() \
31  do { \
32  int i; \
33  for (i = 0; i < BUF_SIZE*3; i++) \
34  src[i] = rnd(); \
35  } while (0)
36 
37 #define randomize_buffers_float() \
38  do { \
39  int i; \
40  for (i = 0; i < BUF_SIZE*3; i++) \
41  src[i] = (float)rnd() / (UINT_MAX >> 5); \
42  } while (0)
43 
44 static void check_rct_int(void)
45 {
49  int32_t *ref0 = &ref[BUF_SIZE*0], *new0 = &new[BUF_SIZE*0];
50  int32_t *ref1 = &ref[BUF_SIZE*1], *new1 = &new[BUF_SIZE*1];
51  int32_t *ref2 = &ref[BUF_SIZE*2], *new2 = &new[BUF_SIZE*2];
52 
53  declare_func(void, void *src0, void *src1, void *src2, int csize);
54 
56  memcpy(ref, src, BUF_SIZE * 3 * sizeof(*src));
57  memcpy(new, src, BUF_SIZE * 3 * sizeof(*src));
58  call_ref(ref0, ref1, ref2, BUF_SIZE);
59  call_new(new0, new1, new2, BUF_SIZE);
60  if (memcmp(ref0, new0, BUF_SIZE * sizeof(*src)) ||
61  memcmp(ref1, new1, BUF_SIZE * sizeof(*src)) ||
62  memcmp(ref2, new2, BUF_SIZE * sizeof(*src)))
63  fail();
64  memcpy(new, src, BUF_SIZE * 3 * sizeof(*src));
65  bench_new(new0, new1, new2, BUF_SIZE);
66 }
67 
68 static void check_ict_float(void)
69 {
70  LOCAL_ALIGNED_32(float, src, [BUF_SIZE*3]);
71  LOCAL_ALIGNED_32(float, ref, [BUF_SIZE*3]);
72  LOCAL_ALIGNED_32(float, new, [BUF_SIZE*3]);
73  float *ref0 = &ref[BUF_SIZE*0], *new0 = &new[BUF_SIZE*0];
74  float *ref1 = &ref[BUF_SIZE*1], *new1 = &new[BUF_SIZE*1];
75  float *ref2 = &ref[BUF_SIZE*2], *new2 = &new[BUF_SIZE*2];
76 
77  declare_func(void, void *src0, void *src1, void *src2, int csize);
78 
80  memcpy(ref, src, BUF_SIZE * 3 * sizeof(*src));
81  memcpy(new, src, BUF_SIZE * 3 * sizeof(*src));
82  call_ref(ref0, ref1, ref2, BUF_SIZE);
83  call_new(new0, new1, new2, BUF_SIZE);
84  if (!float_near_abs_eps_array(ref0, new0, 1.0e-5, BUF_SIZE) ||
85  !float_near_abs_eps_array(ref1, new1, 1.0e-5, BUF_SIZE) ||
86  !float_near_abs_eps_array(ref2, new2, 1.0e-5, BUF_SIZE))
87  fail();
88  memcpy(new, src, BUF_SIZE * 3 * sizeof(*src));
89  bench_new(new0, new1, new2, BUF_SIZE);
90 }
91 
93 {
95 
97 
98  if (check_func(h.mct_decode[FF_DWT53], "jpeg2000_rct_int"))
99  check_rct_int();
100  if (check_func(h.mct_decode[FF_DWT97], "jpeg2000_ict_float"))
101  check_ict_float();
102 
103  report("mct_decode");
104 }
void(* mct_decode[FF_DWT_NB])(void *src0, void *src1, void *src2, int csize)
Definition: jpeg2000dsp.h:30
#define randomize_buffers_float()
Definition: jpeg2000dsp.c:37
int float_near_abs_eps_array(const float *a, const float *b, float eps, unsigned len)
Definition: checkasm.c:338
av_cold void ff_jpeg2000dsp_init(Jpeg2000DSPContext *c)
Definition: jpeg2000dsp.c:93
#define report
Definition: checkasm.h:136
static void check_ict_float(void)
Definition: jpeg2000dsp.c:68
#define LOCAL_ALIGNED_32(t, v,...)
Definition: mem_internal.h:136
#define src
Definition: vp8dsp.c:255
static void check_rct_int(void)
Definition: jpeg2000dsp.c:44
#define declare_func(ret,...)
Definition: checkasm.h:128
#define fail()
Definition: checkasm.h:133
common internal API header
int32_t
#define call_ref(...)
Definition: checkasm.h:139
#define src1
Definition: h264pred.c:140
#define check_func(func,...)
Definition: checkasm.h:124
#define src0
Definition: h264pred.c:139
#define BUF_SIZE
Definition: jpeg2000dsp.c:28
common internal and external API header
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
#define randomize_buffers()
Definition: jpeg2000dsp.c:30
#define bench_new(...)
Definition: checkasm.h:271
#define call_new(...)
Definition: checkasm.h:211
void checkasm_check_jpeg2000dsp(void)
Definition: jpeg2000dsp.c:92