FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/sw_yuv2yuv.c
Date: 2026-04-22 13:46:37
Exec Total Coverage
Lines: 52 54 96.3%
Functions: 2 2 100.0%
Branches: 15 26 57.7%
Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (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
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #include <string.h>
20
21 #include "libavutil/common.h"
22 #include "libavutil/intreadwrite.h"
23 #include "libavutil/mem_internal.h"
24 #include "libavutil/pixdesc.h"
25
26 #include "libswscale/swscale.h"
27 #include "libswscale/swscale_internal.h"
28
29 #include "checkasm.h"
30
31 #define randomize_buffers(buf, size) \
32 do { \
33 for (int j = 0; j < size; j += 4) \
34 AV_WN32(buf + j, rnd()); \
35 } while (0)
36
37 14 static void check_semiplanar(int dst_pix_fmt)
38 {
39 static const int src_fmts[] = {
40 AV_PIX_FMT_NV24,
41 AV_PIX_FMT_NV42,
42 };
43 14 const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
44 #define NUM_LINES 4
45 #define MAX_LINE_SIZE 1920
46 static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE};
47
48 14 declare_func(int, SwsInternal *c, const uint8_t *const src[],
49 const int srcStride[], int srcSliceY, int srcSliceH,
50 uint8_t *const dstParam[], const int dstStride[]);
51
52 14 LOCAL_ALIGNED_8(uint8_t, src_y, [MAX_LINE_SIZE * NUM_LINES]);
53 14 LOCAL_ALIGNED_8(uint8_t, src_uv, [MAX_LINE_SIZE * NUM_LINES * 2]);
54 14 const uint8_t *src[4] = { src_y, src_uv };
55
56 14 LOCAL_ALIGNED_8(uint8_t, dst0_y, [MAX_LINE_SIZE * NUM_LINES]);
57 14 LOCAL_ALIGNED_8(uint8_t, dst0_u, [MAX_LINE_SIZE * NUM_LINES / 2]);
58 14 LOCAL_ALIGNED_8(uint8_t, dst0_v, [MAX_LINE_SIZE * NUM_LINES / 2]);
59 14 uint8_t *dst0[4] = { dst0_y, dst0_u, dst0_v };
60
61 14 LOCAL_ALIGNED_8(uint8_t, dst1_y, [MAX_LINE_SIZE * NUM_LINES]);
62 14 LOCAL_ALIGNED_8(uint8_t, dst1_u, [MAX_LINE_SIZE * NUM_LINES / 2]);
63 14 LOCAL_ALIGNED_8(uint8_t, dst1_v, [MAX_LINE_SIZE * NUM_LINES / 2]);
64 14 uint8_t *dst1[4] = { dst1_y, dst1_u, dst1_v };
65
66
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 26894 randomize_buffers(src_y, MAX_LINE_SIZE * NUM_LINES);
67
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 53774 randomize_buffers(src_uv, MAX_LINE_SIZE * NUM_LINES * 2);
68
69
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 42 for (int sfi = 0; sfi < FF_ARRAY_ELEMS(src_fmts); sfi++) {
70 28 int src_pix_fmt = src_fmts[sfi];
71 28 const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
72
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 140 for (int isi = 0; isi < FF_ARRAY_ELEMS(input_sizes); isi++) {
73 SwsContext *sws;
74 SwsInternal *c;
75 int log_level;
76 112 int width = input_sizes[isi];
77 112 int srcSliceY = 0;
78 112 int srcSliceH = NUM_LINES;
79 112 int srcStride[4] = {
80 MAX_LINE_SIZE,
81 MAX_LINE_SIZE * 2,
82 };
83 112 int dstStride[4] = {
84 MAX_LINE_SIZE,
85 112 MAX_LINE_SIZE >> dst_desc->log2_chroma_w,
86 112 MAX_LINE_SIZE >> dst_desc->log2_chroma_w,
87 };
88
89 // override log level to prevent spamming of the message
90 // "No accelerated colorspace conversion found from %s to %s"
91 112 log_level = av_log_get_level();
92 112 av_log_set_level(AV_LOG_ERROR);
93 112 sws = sws_getContext(width, srcSliceH, src_pix_fmt,
94 width, srcSliceH, dst_pix_fmt,
95 0, NULL, NULL, NULL);
96 112 av_log_set_level(log_level);
97
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 112 if (!sws)
98 ✗ fail();
99
100 112 c = sws_internal(sws);
101
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 112 if (check_func(c->convert_unscaled, "%s_%s_%d", src_desc->name, dst_desc->name, width)) {
102 8 memset(dst0_y, 0xFF, MAX_LINE_SIZE * NUM_LINES);
103 8 memset(dst0_u, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
104 8 memset(dst0_v, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
105 8 memset(dst1_y, 0xFF, MAX_LINE_SIZE * NUM_LINES);
106 8 memset(dst1_u, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
107 8 memset(dst1_v, 0xFF, MAX_LINE_SIZE * NUM_LINES / 2);
108
109 8 call_ref(c, src, srcStride, srcSliceY,
110 srcSliceH, dst0, dstStride);
111 8 call_new(c, src, srcStride, srcSliceY,
112 srcSliceH, dst1, dstStride);
113
114
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 8 if (memcmp(dst0_y, dst1_y, MAX_LINE_SIZE * NUM_LINES) ||
115
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 8 memcmp(dst0_u, dst1_u, MAX_LINE_SIZE * NUM_LINES / 2) ||
116
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 8 memcmp(dst0_v, dst1_v, MAX_LINE_SIZE * NUM_LINES / 2))
117 ✗ fail();
118
119
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 8 bench_new(c, src, srcStride, srcSliceY,
120 srcSliceH, dst0, dstStride);
121 }
122 112 sws_freeContext(sws);
123 }
124 }
125 14 }
126
127 #undef NUM_LINES
128 #undef MAX_LINE_SIZE
129
130 14 void checkasm_check_sw_yuv2yuv(void)
131 {
132 14 check_semiplanar(AV_PIX_FMT_YUV420P);
133 14 report("yuv420p");
134 14 }
135