FFmpeg
hevc_idct.c
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1 /*
2  * Copyright (c) 2016 Alexandra Hájková
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 <string.h>
22 
23 #include "libavutil/intreadwrite.h"
24 
25 #include "libavcodec/hevcdsp.h"
26 
27 #include "checkasm.h"
28 
29 #define randomize_buffers(buf, size) \
30  do { \
31  int j; \
32  for (j = 0; j < size; j++) { \
33  int16_t r = rnd(); \
34  AV_WN16A(buf + j, r); \
35  } \
36  } while (0)
37 
39 {
40  int i;
41  LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
42  LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
43 
44  for (i = 2; i <= 5; i++) {
45  int block_size = 1 << i;
46  int size = block_size * block_size;
47  int col_limit = block_size;
48  declare_func(void, int16_t *coeffs, int col_limit);
49 
50  randomize_buffers(coeffs0, size);
51  memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
52  if (check_func(h.idct[i - 2], "hevc_idct_%dx%d_%d", block_size, block_size, bit_depth)) {
53  call_ref(coeffs0, col_limit);
54  call_new(coeffs1, col_limit);
55  if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
56  fail();
57  bench_new(coeffs1, col_limit);
58  }
59  }
60 }
61 
63 {
64  int i;
65  LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
66  LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
67 
68  for (i = 2; i <= 5; i++) {
69  int block_size = 1 << i;
70  int size = block_size * block_size;
71  declare_func_emms(AV_CPU_FLAG_MMXEXT, void, int16_t *coeffs);
72 
73  randomize_buffers(coeffs0, size);
74  memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
75 
76  if (check_func(h.idct_dc[i - 2], "hevc_idct_%dx%d_dc_%d", block_size, block_size, bit_depth)) {
77  call_ref(coeffs0);
78  call_new(coeffs1);
79  if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
80  fail();
81  bench_new(coeffs1);
82  }
83  }
84 }
85 
87 {
88  int bit_depth;
89 
90  for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
92 
93  ff_hevc_dsp_init(&h, bit_depth);
94  check_idct_dc(h, bit_depth);
95  }
96  report("idct_dc");
97 
98  for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
100 
101  ff_hevc_dsp_init(&h, bit_depth);
102  check_idct(h, bit_depth);
103  }
104  report("idct");
105 }
#define report
Definition: checkasm.h:124
void(* idct[4])(int16_t *coeffs, int col_limit)
Definition: hevcdsp.h:57
#define AV_CPU_FLAG_MMXEXT
SSE integer functions or AMD MMX ext.
Definition: cpu.h:32
ptrdiff_t size
Definition: opengl_enc.c:100
void checkasm_check_hevc_idct(void)
Definition: hevc_idct.c:86
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
#define declare_func(ret,...)
Definition: checkasm.h:116
#define fail()
Definition: checkasm.h:121
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:226
#define randomize_buffers(buf, size)
Definition: hevc_idct.c:29
void(* idct_dc[4])(int16_t *coeffs)
Definition: hevcdsp.h:59
#define declare_func_emms(cpu_flags, ret,...)
Definition: checkasm.h:118
#define call_ref(...)
Definition: checkasm.h:127
void ff_hevc_dsp_init(HEVCDSPContext *hevcdsp, int bit_depth)
Definition: hevcdsp.c:126
#define check_func(func,...)
Definition: checkasm.h:112
#define LOCAL_ALIGNED(a, t, v,...)
Definition: internal.h:114
static void check_idct_dc(HEVCDSPContext h, int bit_depth)
Definition: hevc_idct.c:62
#define bench_new(...)
Definition: checkasm.h:254
#define call_new(...)
Definition: checkasm.h:194
static void check_idct(HEVCDSPContext h, int bit_depth)
Definition: hevc_idct.c:38