FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/mpegvideoencdsp.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 66 69 95.7%
Functions: 4 4 100.0%
Branches: 44 68 64.7%
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1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "libavutil/intreadwrite.h"
20 #include "libavutil/mem.h"
21 #include "libavutil/mem_internal.h"
22
23 #include "libavcodec/mpegvideoencdsp.h"
24
25 #include "checkasm.h"
26
27 #define randomize_buffers(buf, size) \
28 do { \
29 for (int j = 0; j < size; j += 4) \
30 AV_WN32(buf + j, rnd()); \
31 } while (0)
32
33 13 static void check_pix_sum(MpegvideoEncDSPContext *c)
34 {
35 13 LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
36
37 13 declare_func(int, const uint8_t *pix, ptrdiff_t line_size);
38
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 845 randomize_buffers(src, 16 * 16);
40
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 39 for (int n = 0; n < 2; n++) {
42
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 26 const char *negstride_str = n ? "_negstride" : "";
43
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 26 if (check_func(c->pix_sum, "pix_sum%s", negstride_str)) {
44 int sum0, sum1;
45
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 4 const uint8_t *pix = src + (n ? (15 * 16) : 0);
46
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 4 ptrdiff_t line_size = 16 * (n ? -1 : 1);
47 4 sum0 = call_ref(pix, line_size);
48 4 sum1 = call_new(pix, line_size);
49
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 4 if (sum0 != sum1)
50 ✗ fail();
51
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 4 bench_new(pix, line_size);
52 }
53 }
54 13 }
55
56 13 static void check_pix_norm1(MpegvideoEncDSPContext *c)
57 {
58 13 LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
59
60 13 declare_func(int, const uint8_t *pix, ptrdiff_t line_size);
61
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 39 for (int n = 0; n < 2; n++) {
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 26 const char *negstride_str = n ? "_negstride" : "";
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 26 if (check_func(c->pix_norm1, "pix_norm1%s", negstride_str)) {
67 int sum0, sum1;
68
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 4 const uint8_t *pix = src + (n ? (15 * 16) : 0);
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 4 ptrdiff_t line_size = 16 * (n ? -1 : 1);
70 4 sum0 = call_ref(pix, line_size);
71 4 sum1 = call_new(pix, line_size);
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 4 if (sum0 != sum1)
73 ✗ fail();
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 4 bench_new(pix, line_size);
75 }
76 }
77 13 }
78
79 #define NUM_LINES 4
80 #define MAX_LINE_SIZE 1920
81 #define EDGE_WIDTH 16
82 #define LINESIZE (EDGE_WIDTH + MAX_LINE_SIZE + EDGE_WIDTH)
83 #define BUFSIZE ((EDGE_WIDTH + NUM_LINES + EDGE_WIDTH) * LINESIZE)
84
85 13 static void check_draw_edges(MpegvideoEncDSPContext *c)
86 {
87 static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE, -MAX_LINE_SIZE};
88 13 LOCAL_ALIGNED_16(uint8_t, buf0, [BUFSIZE]);
89 13 LOCAL_ALIGNED_16(uint8_t, buf1, [BUFSIZE]);
90
91
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 13 declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *buf, ptrdiff_t wrap, int width, int height,
92 int w, int h, int sides);
93
94
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 78 for (int isi = 0; isi < FF_ARRAY_ELEMS(input_sizes); isi++) {
95 65 int input_size = input_sizes[isi];
96 65 int negstride = input_size < 0;
97
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 65 const char *negstride_str = negstride ? "_negstride" : "";
98 65 int width = FFABS(input_size);
99 65 ptrdiff_t linesize = EDGE_WIDTH + width + EDGE_WIDTH;
100 /* calculate height based on specified width to use the entire buffer. */
101 65 int height = (BUFSIZE / linesize) - (2 * EDGE_WIDTH);
102 65 uint8_t *dst0 = buf0 + EDGE_WIDTH * linesize + EDGE_WIDTH;
103 65 uint8_t *dst1 = buf1 + EDGE_WIDTH * linesize + EDGE_WIDTH;
104
105
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 65 if (negstride) {
106 13 dst0 += (height - 1) * linesize;
107 13 dst1 += (height - 1) * linesize;
108 13 linesize *= -1;
109 }
110
111
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 260 for (int shift = 0; shift < 3; shift++) {
112 195 int edge = EDGE_WIDTH >> shift;
113
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 195 if (check_func(c->draw_edges, "draw_edges_%d_%d_%d%s", width, height, edge, negstride_str)) {
114
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 527070 randomize_buffers(buf0, BUFSIZE);
115 30 memcpy(buf1, buf0, BUFSIZE);
116 30 call_ref(dst0, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
117 30 call_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
118
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 30 if (memcmp(buf0, buf1, BUFSIZE))
119 ✗ fail();
120
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 30 bench_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
121 }
122 }
123 }
124 13 }
125
126 #undef NUM_LINES
127 #undef MAX_LINE_SIZE
128 #undef EDGE_WIDTH
129 #undef LINESIZE
130 #undef BUFSIZE
131
132 13 void checkasm_check_mpegvideoencdsp(void)
133 {
134 13 AVCodecContext avctx = {
135 .bits_per_raw_sample = 8,
136 };
137 13 MpegvideoEncDSPContext c = { 0 };
138
139 13 ff_mpegvideoencdsp_init(&c, &avctx);
140
141 13 check_pix_sum(&c);
142 13 report("pix_sum");
143 13 check_pix_norm1(&c);
144 13 report("pix_norm1");
145 13 check_draw_edges(&c);
146 13 report("draw_edges");
147 13 }
148