FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/llviddspenc.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 46 48 95.8%
Functions: 3 3 100.0%
Branches: 17 34 50.0%
Line Branch Exec Source
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/common.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/mem_internal.h"
26
27 #include "libavcodec/lossless_videoencdsp.h"
28
29 #include "checkasm.h"
30
31 #define randomize_buffers(buf, size) \
32 do { \
33 int j; \
34 for (j = 0; j < size; j+=4) \
35 AV_WN32(buf + j, rnd()); \
36 } while (0)
37
38 static const struct {uint8_t w, h, s;} planes[] = {
39 {16,16,16}, {21,23,25}, {32,17,48}, {15,128,16}, {128,127,128}
40 };
41
42 #define MAX_STRIDE 128
43 #define MAX_HEIGHT 127
44
45 13 static void check_diff_bytes(LLVidEncDSPContext *c)
46 {
47 int i;
48 13 LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE]);
49 13 LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE]);
50 13 LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE]);
51 13 LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE]);
52 13 LOCAL_ALIGNED_32(uint8_t, src2, [MAX_STRIDE]);
53 13 LOCAL_ALIGNED_32(uint8_t, src3, [MAX_STRIDE]);
54
55 13 declare_func(void, uint8_t *dst, const uint8_t *src1,
56 const uint8_t *src2, intptr_t w);
57
58 13 memset(dst0, 0, MAX_STRIDE);
59 13 memset(dst1, 0, MAX_STRIDE);
60
2/2
✓ Branch 1 taken 416 times.
✓ Branch 2 taken 13 times.
 429 randomize_buffers(src0, MAX_STRIDE);
61 13 memcpy(src1, src0, MAX_STRIDE);
62
2/2
✓ Branch 1 taken 416 times.
✓ Branch 2 taken 13 times.
 429 randomize_buffers(src2, MAX_STRIDE);
63 13 memcpy(src3, src2, MAX_STRIDE);
64
65
2/2
✓ Branch 3 taken 3 times.
✓ Branch 4 taken 10 times.
 13 if (check_func(c->diff_bytes, "diff_bytes")) {
66
2/2
✓ Branch 0 taken 15 times.
✓ Branch 1 taken 3 times.
 18 for (i = 0; i < 5; i ++) {
67 15 call_ref(dst0, src0, src2, planes[i].w);
68 15 call_new(dst1, src1, src3, planes[i].w);
69
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 15 times.
 15 if (memcmp(dst0, dst1, planes[i].w))
70 ✗ fail();
71 }
72
1/8
✗ Branch 1 not taken.
✓ Branch 2 taken 3 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
✗ Branch 13 not taken.
✗ Branch 14 not taken.
✗ Branch 15 not taken.
✗ Branch 16 not taken.
 3 bench_new(dst1, src0, src2, planes[4].w);
73 }
74 13 }
75
76 13 static void check_sub_left_pred(LLVidEncDSPContext *c)
77 {
78 int i;
79 13 LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE * MAX_HEIGHT]);
80 13 LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE * MAX_HEIGHT]);
81 13 LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT]);
82 13 LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT]);
83
84 13 declare_func(void, uint8_t *dst, const uint8_t *src,
85 ptrdiff_t stride, ptrdiff_t width, int height);
86
87 13 memset(dst0, 0, MAX_STRIDE * MAX_HEIGHT);
88 13 memset(dst1, 0, MAX_STRIDE * MAX_HEIGHT);
89
2/2
✓ Branch 1 taken 52832 times.
✓ Branch 2 taken 13 times.
 52845 randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
90 13 memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT);
91
92
2/2
✓ Branch 3 taken 2 times.
✓ Branch 4 taken 11 times.
 13 if (check_func(c->sub_left_predict, "sub_left_predict")) {
93
1/2
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
 2 for (i = 0; i < 5; i ++) {
94 2 call_ref(dst0, src0, planes[i].s, planes[i].w, planes[i].h);
95 2 call_new(dst1, src1, planes[i].s, planes[i].w, planes[i].h);
96
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
 2 if (memcmp(dst0, dst1, planes[i].w * planes[i].h))
97 ✗ fail();
98 2 break;
99 }
100
1/8
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
✗ Branch 13 not taken.
✗ Branch 14 not taken.
✗ Branch 15 not taken.
✗ Branch 16 not taken.
 2 bench_new(dst1, src0, planes[4].s, planes[4].w, planes[4].h);
101 }
102 13 }
103
104 13 void checkasm_check_llviddspenc(void)
105 {
106 LLVidEncDSPContext c;
107 13 ff_llvidencdsp_init(&c);
108
109 13 check_diff_bytes(&c);
110 13 report("diff_bytes");
111
112 13 check_sub_left_pred(&c);
113 13 report("sub_left_predict");
114 13 }
115