aboutsummaryrefslogtreecommitdiffstats
path: root/libavutil/tests/pixfmt_best.c
blob: fe04e26689a470889134b7bf501c549bc52577ac (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "libavutil/pixdesc.c"

static const enum AVPixelFormat pixfmt_list[] = {
    AV_PIX_FMT_MONOWHITE,
    AV_PIX_FMT_GRAY8,
    AV_PIX_FMT_GRAY10,
    AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV420P10,
    AV_PIX_FMT_YUV420P16,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV422P10,
    AV_PIX_FMT_YUV422P16,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_RGB565,
    AV_PIX_FMT_RGB24,
    AV_PIX_FMT_RGB48,
    AV_PIX_FMT_VDPAU,
    AV_PIX_FMT_VAAPI,
};

static const enum AVPixelFormat semiplanar_list[] = {
    AV_PIX_FMT_P016,
    AV_PIX_FMT_P012,
    AV_PIX_FMT_P010,
    AV_PIX_FMT_NV12,
};

static const enum AVPixelFormat packed_list[] = {
    AV_PIX_FMT_XV36,
    AV_PIX_FMT_XV30,
    AV_PIX_FMT_VUYX,
    AV_PIX_FMT_Y212,
    AV_PIX_FMT_Y210,
    AV_PIX_FMT_YUYV422,
};

static const enum AVPixelFormat subsampled_list[] = {
    AV_PIX_FMT_YUV411P,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV444P,
};

static const enum AVPixelFormat depthchroma_list[] = {
    AV_PIX_FMT_YUV420P14,
    AV_PIX_FMT_YUV422P14,
    AV_PIX_FMT_YUV444P16,
};

typedef enum AVPixelFormat (*find_best_t)(enum AVPixelFormat pixfmt);

#define find_best_wrapper(name, list) \
static enum AVPixelFormat find_best_ ## name (enum AVPixelFormat pixfmt)    \
{                                                                           \
    enum AVPixelFormat best = AV_PIX_FMT_NONE;                              \
    int i;                                                                  \
    for (i = 0; i < FF_ARRAY_ELEMS(list); i++)                              \
        best = av_find_best_pix_fmt_of_2(best, list[i],                     \
                                         pixfmt, 0, NULL);                  \
    return best;                                                            \
}

find_best_wrapper(base, pixfmt_list)
find_best_wrapper(seminplanar, semiplanar_list)
find_best_wrapper(packed, packed_list)
find_best_wrapper(subsampled, subsampled_list)
find_best_wrapper(depthchroma, depthchroma_list)

static void test(enum AVPixelFormat input, enum AVPixelFormat expected,
                 int *pass, int *fail, find_best_t find_best_fn)
{
        enum AVPixelFormat output = find_best_fn(input);
        if (output != expected) {
            printf("Matching %s: got %s, expected %s\n",
                   av_get_pix_fmt_name(input),
                   av_get_pix_fmt_name(output),
                   av_get_pix_fmt_name(expected));
            ++(*fail);
        } else
            ++(*pass);
}

int main(void)
{
    int i, pass = 0, fail = 0;

#define TEST(input, expected) \
    test(input, expected, &pass, &fail, find_best_base)

    // Same formats.
    for (i = 0; i < FF_ARRAY_ELEMS(pixfmt_list); i++)
        TEST(pixfmt_list[i], pixfmt_list[i]);

    // Formats containing the same data in different layouts.
    TEST(AV_PIX_FMT_MONOBLACK, AV_PIX_FMT_MONOWHITE);
    TEST(AV_PIX_FMT_NV12,      AV_PIX_FMT_YUV420P);
    TEST(AV_PIX_FMT_P010,      AV_PIX_FMT_YUV420P10);
    TEST(AV_PIX_FMT_P016,      AV_PIX_FMT_YUV420P16);
    TEST(AV_PIX_FMT_NV16,      AV_PIX_FMT_YUV422P);
    TEST(AV_PIX_FMT_NV24,      AV_PIX_FMT_YUV444P);
    TEST(AV_PIX_FMT_YUYV422,   AV_PIX_FMT_YUV422P);
    TEST(AV_PIX_FMT_UYVY422,   AV_PIX_FMT_YUV422P);
    TEST(AV_PIX_FMT_VYU444,    AV_PIX_FMT_YUV444P);
    TEST(AV_PIX_FMT_BGR565,    AV_PIX_FMT_RGB565);
    TEST(AV_PIX_FMT_BGR24,     AV_PIX_FMT_RGB24);
    TEST(AV_PIX_FMT_GBRP,      AV_PIX_FMT_RGB24);
    TEST(AV_PIX_FMT_0RGB,      AV_PIX_FMT_RGB24);
    TEST(AV_PIX_FMT_GBRP16,    AV_PIX_FMT_RGB48);
    TEST(AV_PIX_FMT_VUYX,      AV_PIX_FMT_YUV444P);

    // Formats additionally containing alpha (here ignored).
    TEST(AV_PIX_FMT_YA8,       AV_PIX_FMT_GRAY8);
    TEST(AV_PIX_FMT_YA16,      AV_PIX_FMT_GRAY16);
    TEST(AV_PIX_FMT_YUVA420P,  AV_PIX_FMT_YUV420P);
    TEST(AV_PIX_FMT_YUVA422P,  AV_PIX_FMT_YUV422P);
    TEST(AV_PIX_FMT_YUVA444P,  AV_PIX_FMT_YUV444P);
    TEST(AV_PIX_FMT_VUYA,      AV_PIX_FMT_YUV444P);
    TEST(AV_PIX_FMT_AYUV,      AV_PIX_FMT_YUV444P);
    TEST(AV_PIX_FMT_UYVA,      AV_PIX_FMT_YUV444P);
    TEST(AV_PIX_FMT_AYUV64,    AV_PIX_FMT_YUV444P16);
    TEST(AV_PIX_FMT_RGBA,      AV_PIX_FMT_RGB24);
    TEST(AV_PIX_FMT_ABGR,      AV_PIX_FMT_RGB24);
    TEST(AV_PIX_FMT_GBRAP,     AV_PIX_FMT_RGB24);
    TEST(AV_PIX_FMT_RGBA64,    AV_PIX_FMT_RGB48);
    TEST(AV_PIX_FMT_BGRA64,    AV_PIX_FMT_RGB48);
    TEST(AV_PIX_FMT_GBRAP16,   AV_PIX_FMT_RGB48);

    // Formats requiring upsampling to represent exactly.
    TEST(AV_PIX_FMT_GRAY12,    AV_PIX_FMT_GRAY16);
    TEST(AV_PIX_FMT_YUV410P,   AV_PIX_FMT_YUV420P);
    TEST(AV_PIX_FMT_YUV411P,   AV_PIX_FMT_YUV422P);
    TEST(AV_PIX_FMT_UYYVYY411, AV_PIX_FMT_YUV422P);
    TEST(AV_PIX_FMT_YUV440P,   AV_PIX_FMT_YUV444P);
    TEST(AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV444P10);
    TEST(AV_PIX_FMT_YUV440P12, AV_PIX_FMT_YUV444P16);
    TEST(AV_PIX_FMT_YUV420P9,  AV_PIX_FMT_YUV420P10);
    TEST(AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P16);
    TEST(AV_PIX_FMT_YUV444P9,  AV_PIX_FMT_YUV444P10);
    TEST(AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P16);
    TEST(AV_PIX_FMT_BGR4,      AV_PIX_FMT_RGB565);
    TEST(AV_PIX_FMT_RGB444,    AV_PIX_FMT_RGB565);
    TEST(AV_PIX_FMT_RGB555,    AV_PIX_FMT_RGB565);
    TEST(AV_PIX_FMT_GBRP10,    AV_PIX_FMT_RGB48);
    TEST(AV_PIX_FMT_GBRAP10,   AV_PIX_FMT_RGB48);
    TEST(AV_PIX_FMT_GBRAP12,   AV_PIX_FMT_RGB48);

    // Formats containing the same data in different endianness.
    TEST(AV_PIX_FMT_GRAY10BE,    AV_PIX_FMT_GRAY10);
    TEST(AV_PIX_FMT_GRAY10LE,    AV_PIX_FMT_GRAY10);
    TEST(AV_PIX_FMT_GRAY16BE,    AV_PIX_FMT_GRAY16);
    TEST(AV_PIX_FMT_GRAY16LE,    AV_PIX_FMT_GRAY16);
    TEST(AV_PIX_FMT_YUV422P10BE, AV_PIX_FMT_YUV422P10);
    TEST(AV_PIX_FMT_YUV422P10LE, AV_PIX_FMT_YUV422P10);
    TEST(AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUV444P16);
    TEST(AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUV444P16);
    TEST(AV_PIX_FMT_RGB565BE,    AV_PIX_FMT_RGB565);
    TEST(AV_PIX_FMT_RGB565LE,    AV_PIX_FMT_RGB565);
    TEST(AV_PIX_FMT_RGB48BE,     AV_PIX_FMT_RGB48);
    TEST(AV_PIX_FMT_RGB48LE,     AV_PIX_FMT_RGB48);

    // Opaque formats are least unlike each other.
    TEST(AV_PIX_FMT_DXVA2_VLD, AV_PIX_FMT_VDPAU);

#define TEST_SEMIPLANAR(input, expected) \
    test(input, expected, &pass, &fail, find_best_seminplanar)

    // Same formats.
    for (i = 0; i < FF_ARRAY_ELEMS(semiplanar_list); i++)
        TEST_SEMIPLANAR(semiplanar_list[i], semiplanar_list[i]);

    // Formats containing the same data in different layouts.
    TEST_SEMIPLANAR(AV_PIX_FMT_YUV420P, AV_PIX_FMT_NV12);
    TEST_SEMIPLANAR(AV_PIX_FMT_YUV420P10, AV_PIX_FMT_P010);
    TEST_SEMIPLANAR(AV_PIX_FMT_YUV420P12, AV_PIX_FMT_P012);
    TEST_SEMIPLANAR(AV_PIX_FMT_YUV420P16, AV_PIX_FMT_P016);
    TEST_SEMIPLANAR(AV_PIX_FMT_YUV420P9, AV_PIX_FMT_P010);

#define TEST_PACKED(input, expected) \
    test(input, expected, &pass, &fail, find_best_packed)

    // Same formats.
    for (i = 0; i < FF_ARRAY_ELEMS(packed_list); i++)
        TEST_PACKED(packed_list[i], packed_list[i]);

    // Formats containing the same data in different layouts.
    TEST_PACKED(AV_PIX_FMT_YUV444P, AV_PIX_FMT_VUYX);
    TEST_PACKED(AV_PIX_FMT_YUV444P10, AV_PIX_FMT_XV30);
    TEST_PACKED(AV_PIX_FMT_YUV444P12, AV_PIX_FMT_XV36);
    TEST_PACKED(AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUYV422);
    TEST_PACKED(AV_PIX_FMT_YUV422P10, AV_PIX_FMT_Y210);
    TEST_PACKED(AV_PIX_FMT_YUV422P12, AV_PIX_FMT_Y212);

#define TEST_SUBSAMPLED(input, expected) \
    test(input, expected, &pass, &fail, find_best_subsampled)

    // Same formats.
    for (i = 0; i < FF_ARRAY_ELEMS(subsampled_list); i++)
        TEST_SUBSAMPLED(subsampled_list[i], subsampled_list[i]);

    TEST_SUBSAMPLED(AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV420P);

#define TEST_DEPTH_CHROMA(input, expected) \
    test(input, expected, &pass, &fail, find_best_depthchroma)

    // Same formats.
    for (i = 0; i < FF_ARRAY_ELEMS(depthchroma_list); i++)
        TEST_DEPTH_CHROMA(depthchroma_list[i], depthchroma_list[i]);

    TEST_DEPTH_CHROMA(AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV444P16);
    TEST_DEPTH_CHROMA(AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16);


    printf("%d tests passed, %d tests failed.\n", pass, fail);
    return !!fail;
}