FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/sw_rgb.c
Date: 2024-05-03 15:42:48
Exec Total Coverage
Lines: 98 100 98.0%
Functions: 4 4 100.0%
Branches: 44 76 57.9%
Line Branch Exec Source
1 /*
2 *
3 * This file is part of FFmpeg.
4 *
5 * FFmpeg is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * FFmpeg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #include <string.h>
21
22 #include "libavutil/common.h"
23 #include "libavutil/intreadwrite.h"
24 #include "libavutil/mem_internal.h"
25
26 #include "libswscale/rgb2rgb.h"
27
28 #include "checkasm.h"
29
30 #define randomize_buffers(buf, size) \
31 do { \
32 int j; \
33 for (j = 0; j < size; j+=4) \
34 AV_WN32(buf + j, rnd()); \
35 } while (0)
36
37 static const uint8_t width[] = {12, 16, 20, 32, 36, 128};
38 static const struct {uint8_t w, h, s;} planes[] = {
39 {12,16,12}, {16,16,16}, {20,23,25}, {32,18,48}, {8,128,16}, {128,128,128}
40 };
41
42 #define MAX_STRIDE 128
43 #define MAX_HEIGHT 128
44
45 65 static void check_shuffle_bytes(void * func, const char * report)
46 {
47 int i;
48 65 LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE]);
49 65 LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE]);
50 65 LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE]);
51 65 LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE]);
52
53
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 65 declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *src, uint8_t *dst, int src_size);
54
55 65 memset(dst0, 0, MAX_STRIDE);
56 65 memset(dst1, 0, MAX_STRIDE);
57
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 2145 randomize_buffers(src0, MAX_STRIDE);
58 65 memcpy(src1, src0, MAX_STRIDE);
59
60
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 65 if (check_func(func, "%s", report)) {
61
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 112 for (i = 0; i < 6; i ++) {
62 96 call_ref(src0, dst0, width[i]);
63 96 call_new(src1, dst1, width[i]);
64
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 96 if (memcmp(dst0, dst1, MAX_STRIDE))
65 ✗ fail();
66 }
67
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 16 bench_new(src0, dst0, width[5]);
68 }
69 65 }
70
71 13 static void check_uyvy_to_422p(void)
72 {
73 int i;
74
75 13 LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT * 2]);
76 13 LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT * 2]);
77 13 LOCAL_ALIGNED_32(uint8_t, dst_y_0, [MAX_STRIDE * MAX_HEIGHT]);
78 13 LOCAL_ALIGNED_32(uint8_t, dst_y_1, [MAX_STRIDE * MAX_HEIGHT]);
79 13 LOCAL_ALIGNED_32(uint8_t, dst_u_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);
80 13 LOCAL_ALIGNED_32(uint8_t, dst_u_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);
81 13 LOCAL_ALIGNED_32(uint8_t, dst_v_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);
82 13 LOCAL_ALIGNED_32(uint8_t, dst_v_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);
83
84
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 13 declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
85 const uint8_t *src, int width, int height,
86 int lumStride, int chromStride, int srcStride);
87
88
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 106509 randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT * 2);
89 13 memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT * 2);
90
91
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 13 if (check_func(uyvytoyuv422, "uyvytoyuv422")) {
92
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 21 for (i = 0; i < 6; i ++) {
93 18 memset(dst_y_0, 0, MAX_STRIDE * MAX_HEIGHT);
94 18 memset(dst_y_1, 0, MAX_STRIDE * MAX_HEIGHT);
95 18 memset(dst_u_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
96 18 memset(dst_u_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
97 18 memset(dst_v_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
98 18 memset(dst_v_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
99
100 18 call_ref(dst_y_0, dst_u_0, dst_v_0, src0, planes[i].w, planes[i].h,
101 MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);
102 18 call_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[i].w, planes[i].h,
103 MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);
104
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 18 if (memcmp(dst_y_0, dst_y_1, MAX_STRIDE * MAX_HEIGHT) ||
105
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 18 memcmp(dst_u_0, dst_u_1, (MAX_STRIDE/2) * MAX_HEIGHT) ||
106
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 18 memcmp(dst_v_0, dst_v_1, (MAX_STRIDE/2) * MAX_HEIGHT))
107 ✗ fail();
108 }
109
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 3 bench_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[5].w, planes[5].h,
110 MAX_STRIDE, MAX_STRIDE / 2, planes[5].s);
111 }
112 13 }
113
114 13 static void check_interleave_bytes(void)
115 {
116 13 LOCAL_ALIGNED_16(uint8_t, src0_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
117 13 LOCAL_ALIGNED_16(uint8_t, src1_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
118 13 LOCAL_ALIGNED_16(uint8_t, dst0_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
119 13 LOCAL_ALIGNED_16(uint8_t, dst1_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
120 // Intentionally using unaligned buffers, as this function doesn't have
121 // any alignment requirements.
122 13 uint8_t *src0 = src0_buf + 1;
123 13 uint8_t *src1 = src1_buf + 1;
124 13 uint8_t *dst0 = dst0_buf + 2;
125 13 uint8_t *dst1 = dst1_buf + 2;
126
127
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 13 declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *, const uint8_t *,
128 uint8_t *, int, int, int, int, int);
129
130
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 53261 randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
131
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 53261 randomize_buffers(src1, MAX_STRIDE * MAX_HEIGHT);
132
133
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 13 if (check_func(interleaveBytes, "interleave_bytes")) {
134
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 36 for (int i = 0; i <= 16; i++) {
135 // Try all widths [1,16], and try one random width.
136
137
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 34 int w = i > 0 ? i : (1 + (rnd() % (MAX_STRIDE-2)));
138 34 int h = 1 + (rnd() % (MAX_HEIGHT-2));
139
140 34 int src0_offset = 0, src0_stride = MAX_STRIDE;
141 34 int src1_offset = 0, src1_stride = MAX_STRIDE;
142 34 int dst_offset = 0, dst_stride = 2 * MAX_STRIDE;
143
144 34 memset(dst0, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
145 34 memset(dst1, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
146
147 // Try different combinations of negative strides
148
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 34 if (i & 1) {
149 16 src0_offset = (h-1)*src0_stride;
150 16 src0_stride = -src0_stride;
151 }
152
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 34 if (i & 2) {
153 16 src1_offset = (h-1)*src1_stride;
154 16 src1_stride = -src1_stride;
155 }
156
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 34 if (i & 4) {
157 16 dst_offset = (h-1)*dst_stride;
158 16 dst_stride = -dst_stride;
159 }
160
161 34 call_ref(src0 + src0_offset, src1 + src1_offset, dst0 + dst_offset,
162 w, h, src0_stride, src1_stride, dst_stride);
163 34 call_new(src0 + src0_offset, src1 + src1_offset, dst1 + dst_offset,
164 w, h, src0_stride, src1_stride, dst_stride);
165 // Check a one pixel-pair edge around the destination area,
166 // to catch overwrites past the end.
167 34 checkasm_check(uint8_t, dst0, 2*MAX_STRIDE, dst1, 2*MAX_STRIDE,
168 2 * w + 2, h + 1, "dst");
169 }
170
171
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 2 bench_new(src0, src1, dst1, 127, MAX_HEIGHT,
172 MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
173 }
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 13 if (check_func(interleaveBytes, "interleave_bytes_aligned")) {
175 // Bench the function in a more typical case, with aligned
176 // buffers and widths.
177
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 2 bench_new(src0_buf, src1_buf, dst1_buf, 128, MAX_HEIGHT,
178 MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
179 }
180 13 }
181
182 13 void checkasm_check_sw_rgb(void)
183 {
184 13 ff_sws_rgb2rgb_init();
185
186 13 check_shuffle_bytes(shuffle_bytes_2103, "shuffle_bytes_2103");
187 13 report("shuffle_bytes_2103");
188
189 13 check_shuffle_bytes(shuffle_bytes_0321, "shuffle_bytes_0321");
190 13 report("shuffle_bytes_0321");
191
192 13 check_shuffle_bytes(shuffle_bytes_1230, "shuffle_bytes_1230");
193 13 report("shuffle_bytes_1230");
194
195 13 check_shuffle_bytes(shuffle_bytes_3012, "shuffle_bytes_3012");
196 13 report("shuffle_bytes_3012");
197
198 13 check_shuffle_bytes(shuffle_bytes_3210, "shuffle_bytes_3210");
199 13 report("shuffle_bytes_3210");
200
201 13 check_uyvy_to_422p();
202 13 report("uyvytoyuv422");
203
204 13 check_interleave_bytes();
205 13 report("interleave_bytes");
206 13 }
207