2 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavutil/common.h"
23 #include "libavutil/channel_layout.h"
24 #include "libavutil/error.h"
25 #include "libavutil/log.h"
26 #include "libavutil/mem.h"
27 #include "libavutil/rational.h"
28 #include "libavutil/opt.h"
29 #include "libavutil/pixdesc.h"
31 typedef struct TestContext {
38 AVRational video_rate;
40 enum AVPixelFormat pix_fmt;
41 enum AVSampleFormat sample_fmt;
44 int64_t channel_layout;
60 #define OFFSET(x) offsetof(TestContext, x)
62 #define TEST_FLAG_COOL 01
63 #define TEST_FLAG_LAME 02
64 #define TEST_FLAG_MU 04
66 static const AVOption test_options[]= {
67 {"num", "set num", OFFSET(num), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, 1 },
68 {"toggle", "set toggle", OFFSET(toggle), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, 1 },
69 {"rational", "set rational", OFFSET(rational), AV_OPT_TYPE_RATIONAL, { .dbl = 1 }, 0, 10, 1 },
70 {"string", "set string", OFFSET(string), AV_OPT_TYPE_STRING, { .str = "default" }, CHAR_MIN, CHAR_MAX, 1 },
71 {"escape", "set escape str", OFFSET(escape), AV_OPT_TYPE_STRING, { .str = "\\=," }, CHAR_MIN, CHAR_MAX, 1 },
72 {"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, { .i64 = 1 }, 0, INT_MAX, 1, "flags" },
73 {"cool", "set cool flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_COOL }, INT_MIN, INT_MAX, 1, "flags" },
74 {"lame", "set lame flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_LAME }, INT_MIN, INT_MAX, 1, "flags" },
75 {"mu", "set mu flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_MU }, INT_MIN, INT_MAX, 1, "flags" },
76 {"size", "set size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str="200x300" }, 0, 0, 1 },
77 {"pix_fmt", "set pixfmt", OFFSET(pix_fmt), AV_OPT_TYPE_PIXEL_FMT, { .i64 = AV_PIX_FMT_0BGR }, -1, INT_MAX, 1 },
78 {"sample_fmt", "set samplefmt", OFFSET(sample_fmt), AV_OPT_TYPE_SAMPLE_FMT, { .i64 = AV_SAMPLE_FMT_S16 }, -1, INT_MAX, 1 },
79 {"video_rate", "set videorate", OFFSET(video_rate), AV_OPT_TYPE_VIDEO_RATE, { .str = "25" }, 0, INT_MAX, 1 },
80 {"duration", "set duration", OFFSET(duration), AV_OPT_TYPE_DURATION, { .i64 = 1000 }, 0, INT64_MAX, 1 },
81 {"color", "set color", OFFSET(color), AV_OPT_TYPE_COLOR, { .str = "pink" }, 0, 0, 1 },
82 {"cl", "set channel layout", OFFSET(channel_layout), AV_OPT_TYPE_CHANNEL_LAYOUT, { .i64 = AV_CH_LAYOUT_HEXAGONAL }, 0, INT64_MAX, 1 },
83 {"bin", "set binary value", OFFSET(binary), AV_OPT_TYPE_BINARY, { .str="62696e00" }, 0, 0, 1 },
84 {"bin1", "set binary value", OFFSET(binary1), AV_OPT_TYPE_BINARY, { .str=NULL }, 0, 0, 1 },
85 {"bin2", "set binary value", OFFSET(binary2), AV_OPT_TYPE_BINARY, { .str="" }, 0, 0, 1 },
86 {"num64", "set num 64bit", OFFSET(num64), AV_OPT_TYPE_INT64, { .i64 = 1 }, 0, 100, 1 },
87 {"flt", "set float", OFFSET(flt), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 / 3 }, 0, 100, 1 },
88 {"dbl", "set double", OFFSET(dbl), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 / 3 }, 0, 100, 1 },
89 {"bool1", "set boolean value", OFFSET(bool1), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, 1 },
90 {"bool2", "set boolean value", OFFSET(bool2), AV_OPT_TYPE_BOOL, { .i64 = 1 }, -1, 1, 1 },
91 {"bool3", "set boolean value", OFFSET(bool3), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, 1 },
95 static const char *test_get_name(void *ctx)
100 static const AVClass test_class = {
101 .class_name = "TestContext",
102 .item_name = test_get_name,
103 .option = test_options,
106 static void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
108 vfprintf(stdout, fmt, vl);
115 av_log_set_level(AV_LOG_DEBUG);
116 av_log_set_callback(log_callback_help);
118 printf("Testing default values\n");
120 TestContext test_ctx = { 0 };
121 test_ctx.class = &test_class;
122 av_opt_set_defaults(&test_ctx);
124 printf("num=%d\n", test_ctx.num);
125 printf("toggle=%d\n", test_ctx.toggle);
126 printf("string=%s\n", test_ctx.string);
127 printf("escape=%s\n", test_ctx.escape);
128 printf("flags=%d\n", test_ctx.flags);
129 printf("rational=%d/%d\n", test_ctx.rational.num, test_ctx.rational.den);
130 printf("video_rate=%d/%d\n", test_ctx.video_rate.num, test_ctx.video_rate.den);
131 printf("width=%d height=%d\n", test_ctx.w, test_ctx.h);
132 printf("pix_fmt=%s\n", av_get_pix_fmt_name(test_ctx.pix_fmt));
133 printf("sample_fmt=%s\n", av_get_sample_fmt_name(test_ctx.sample_fmt));
134 printf("duration=%"PRId64"\n", test_ctx.duration);
135 printf("color=%d %d %d %d\n", test_ctx.color[0], test_ctx.color[1], test_ctx.color[2], test_ctx.color[3]);
136 printf("channel_layout=%"PRId64"=%"PRId64"\n", test_ctx.channel_layout, (int64_t)AV_CH_LAYOUT_HEXAGONAL);
138 printf("binary=%x %x %x %x\n", ((uint8_t*)test_ctx.binary)[0], ((uint8_t*)test_ctx.binary)[1], ((uint8_t*)test_ctx.binary)[2], ((uint8_t*)test_ctx.binary)[3]);
139 printf("binary_size=%d\n", test_ctx.binary_size);
140 printf("num64=%"PRId64"\n", test_ctx.num64);
141 printf("flt=%.6f\n", test_ctx.flt);
142 printf("dbl=%.6f\n", test_ctx.dbl);
144 av_opt_show2(&test_ctx, NULL, -1, 0);
146 av_opt_free(&test_ctx);
149 printf("\nTesting av_opt_is_set_to_default()\n");
152 TestContext test_ctx = { 0 };
153 const AVOption *o = NULL;
154 test_ctx.class = &test_class;
156 av_log_set_level(AV_LOG_QUIET);
158 while (o = av_opt_next(&test_ctx, o)) {
159 ret = av_opt_is_set_to_default_by_name(&test_ctx, o->name, 0);
160 printf("name:%10s default:%d error:%s\n", o->name, !!ret, ret < 0 ? av_err2str(ret) : "");
162 av_opt_set_defaults(&test_ctx);
163 while (o = av_opt_next(&test_ctx, o)) {
164 ret = av_opt_is_set_to_default_by_name(&test_ctx, o->name, 0);
165 printf("name:%10s default:%d error:%s\n", o->name, !!ret, ret < 0 ? av_err2str(ret) : "");
167 av_opt_free(&test_ctx);
170 printf("\nTest av_opt_serialize()\n");
172 TestContext test_ctx = { 0 };
174 test_ctx.class = &test_class;
176 av_log_set_level(AV_LOG_QUIET);
178 av_opt_set_defaults(&test_ctx);
179 if (av_opt_serialize(&test_ctx, 0, 0, &buf, '=', ',') >= 0) {
181 av_opt_free(&test_ctx);
182 memset(&test_ctx, 0, sizeof(test_ctx));
183 test_ctx.class = &test_class;
184 av_set_options_string(&test_ctx, buf, "=", ",");
186 if (av_opt_serialize(&test_ctx, 0, 0, &buf, '=', ',') >= 0) {
191 av_opt_free(&test_ctx);
194 printf("\nTesting av_set_options_string()\n");
196 TestContext test_ctx = { 0 };
197 static const char * const options[] = {
213 "flags=+mu-lame : num=42: toggle=0",
214 "num=42 : string=blahblah",
215 "rational=0 : rational=1/2 : rational=1/-1",
228 "video_rate=30000/1001",
229 "video_rate=30/1.001",
233 "duration=1\\:23\\:45.67",
261 test_ctx.class = &test_class;
262 av_opt_set_defaults(&test_ctx);
264 av_log_set_level(AV_LOG_QUIET);
266 for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
267 int silence_log = !strcmp(options[i], "rational=-1/0"); // inf formating differs between platforms
268 av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
270 av_log_set_callback(NULL);
271 if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0)
272 printf("Error '%s'\n", options[i]);
274 printf("OK '%s'\n", options[i]);
275 av_log_set_callback(log_callback_help);
277 av_opt_free(&test_ctx);
280 printf("\nTesting av_opt_set_from_string()\n");
282 TestContext test_ctx = { 0 };
283 static const char * const options[] = {
291 " 5 : hello : size = pal ",
292 "a_very_long_option_name_that_will_need_to_be_ellipsized_around_here=42"
294 static const char * const shorthand[] = { "num", "string", NULL };
296 test_ctx.class = &test_class;
297 av_opt_set_defaults(&test_ctx);
299 av_log_set_level(AV_LOG_QUIET);
301 for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
302 av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
303 if (av_opt_set_from_string(&test_ctx, options[i], shorthand, "=", ":") < 0)
304 printf("Error '%s'\n", options[i]);
306 printf("OK '%s'\n", options[i]);
308 av_opt_free(&test_ctx);