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FFmpeg/libavutil/tests/opt.c

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/*
* 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 <limits.h>
#include <stdio.h>
#include "libavutil/common.h"
#include "libavutil/channel_layout.h"
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/rational.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
typedef struct TestContext {
const AVClass *class;
int num;
int toggle;
char *string;
int flags;
AVRational rational;
AVRational video_rate;
int w, h;
enum AVPixelFormat pix_fmt;
enum AVSampleFormat sample_fmt;
int64_t duration;
uint8_t color[4];
AVChannelLayout channel_layout;
void *binary;
int binary_size;
void *binary1;
int binary_size1;
void *binary2;
int binary_size2;
int64_t num64;
float flt;
double dbl;
char *escape;
int bool1;
int bool2;
int bool3;
AVDictionary *dict1;
AVDictionary *dict2;
} TestContext;
#define OFFSET(x) offsetof(TestContext, x)
#define TEST_FLAG_COOL 01
#define TEST_FLAG_LAME 02
#define TEST_FLAG_MU 04
static const AVOption test_options[]= {
{"num", "set num", OFFSET(num), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, 1 },
{"toggle", "set toggle", OFFSET(toggle), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, 1 },
{"rational", "set rational", OFFSET(rational), AV_OPT_TYPE_RATIONAL, { .dbl = 1 }, 0, 10, 1 },
{"string", "set string", OFFSET(string), AV_OPT_TYPE_STRING, { .str = "default" }, CHAR_MIN, CHAR_MAX, 1 },
{"escape", "set escape str", OFFSET(escape), AV_OPT_TYPE_STRING, { .str = "\\=," }, CHAR_MIN, CHAR_MAX, 1 },
{"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, { .i64 = 1 }, 0, INT_MAX, 1, .unit = "flags" },
{"cool", "set cool flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_COOL }, INT_MIN, INT_MAX, 1, .unit = "flags" },
{"lame", "set lame flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_LAME }, INT_MIN, INT_MAX, 1, .unit = "flags" },
{"mu", "set mu flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_MU }, INT_MIN, INT_MAX, 1, .unit = "flags" },
{"size", "set size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str="200x300" }, 0, 0, 1 },
{"pix_fmt", "set pixfmt", OFFSET(pix_fmt), AV_OPT_TYPE_PIXEL_FMT, { .i64 = AV_PIX_FMT_0BGR }, -1, INT_MAX, 1 },
{"sample_fmt", "set samplefmt", OFFSET(sample_fmt), AV_OPT_TYPE_SAMPLE_FMT, { .i64 = AV_SAMPLE_FMT_S16 }, -1, INT_MAX, 1 },
{"video_rate", "set videorate", OFFSET(video_rate), AV_OPT_TYPE_VIDEO_RATE, { .str = "25" }, 0, INT_MAX, 1 },
{"duration", "set duration", OFFSET(duration), AV_OPT_TYPE_DURATION, { .i64 = 1000 }, 0, INT64_MAX, 1 },
{"color", "set color", OFFSET(color), AV_OPT_TYPE_COLOR, { .str = "pink" }, 0, 0, 1 },
{"cl", "set channel layout", OFFSET(channel_layout), AV_OPT_TYPE_CHLAYOUT, { .str = "hexagonal" }, 0, 0, 1 },
{"bin", "set binary value", OFFSET(binary), AV_OPT_TYPE_BINARY, { .str="62696e00" }, 0, 0, 1 },
{"bin1", "set binary value", OFFSET(binary1), AV_OPT_TYPE_BINARY, { .str=NULL }, 0, 0, 1 },
{"bin2", "set binary value", OFFSET(binary2), AV_OPT_TYPE_BINARY, { .str="" }, 0, 0, 1 },
{"num64", "set num 64bit", OFFSET(num64), AV_OPT_TYPE_INT64, { .i64 = 1 }, 0, 100, 1 },
{"flt", "set float", OFFSET(flt), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 / 3 }, 0, 100, 1 },
{"dbl", "set double", OFFSET(dbl), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 / 3 }, 0, 100, 1 },
{"bool1", "set boolean value", OFFSET(bool1), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, 1 },
{"bool2", "set boolean value", OFFSET(bool2), AV_OPT_TYPE_BOOL, { .i64 = 1 }, -1, 1, 1 },
{"bool3", "set boolean value", OFFSET(bool3), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, 1 },
{"dict1", "set dictionary value", OFFSET(dict1), AV_OPT_TYPE_DICT, { .str = NULL}, 0, 0, 1 },
{"dict2", "set dictionary value", OFFSET(dict2), AV_OPT_TYPE_DICT, { .str = "happy=':-)'"}, 0, 0, 1 },
{ NULL },
};
static const char *test_get_name(void *ctx)
{
return "test";
}
static const AVClass test_class = {
.class_name = "TestContext",
.item_name = test_get_name,
.option = test_options,
.version = LIBAVUTIL_VERSION_INT,
};
static void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
{
vfprintf(stdout, fmt, vl);
}
int main(void)
{
int i;
av_log_set_level(AV_LOG_DEBUG);
av_log_set_callback(log_callback_help);
printf("Testing default values\n");
{
TestContext test_ctx = { 0 };
test_ctx.class = &test_class;
av_opt_set_defaults(&test_ctx);
printf("num=%d\n", test_ctx.num);
printf("toggle=%d\n", test_ctx.toggle);
printf("string=%s\n", test_ctx.string);
printf("escape=%s\n", test_ctx.escape);
printf("flags=%d\n", test_ctx.flags);
printf("rational=%d/%d\n", test_ctx.rational.num, test_ctx.rational.den);
printf("video_rate=%d/%d\n", test_ctx.video_rate.num, test_ctx.video_rate.den);
printf("width=%d height=%d\n", test_ctx.w, test_ctx.h);
printf("pix_fmt=%s\n", av_get_pix_fmt_name(test_ctx.pix_fmt));
printf("sample_fmt=%s\n", av_get_sample_fmt_name(test_ctx.sample_fmt));
printf("duration=%"PRId64"\n", test_ctx.duration);
printf("color=%d %d %d %d\n", test_ctx.color[0], test_ctx.color[1], test_ctx.color[2], test_ctx.color[3]);
printf("channel_layout=%"PRId64"=%"PRId64"\n", test_ctx.channel_layout.u.mask, (int64_t)AV_CH_LAYOUT_HEXAGONAL);
if (test_ctx.binary)
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]);
printf("binary_size=%d\n", test_ctx.binary_size);
printf("num64=%"PRId64"\n", test_ctx.num64);
printf("flt=%.6f\n", test_ctx.flt);
printf("dbl=%.6f\n", test_ctx.dbl);
av_opt_show2(&test_ctx, NULL, -1, 0);
av_opt_free(&test_ctx);
}
printf("\nTesting av_opt_is_set_to_default()\n");
{
int ret;
TestContext test_ctx = { 0 };
const AVOption *o = NULL;
test_ctx.class = &test_class;
av_log_set_level(AV_LOG_QUIET);
while (o = av_opt_next(&test_ctx, o)) {
ret = av_opt_is_set_to_default_by_name(&test_ctx, o->name, 0);
printf("name:%10s default:%d error:%s\n", o->name, !!ret, ret < 0 ? av_err2str(ret) : "");
}
av_opt_set_defaults(&test_ctx);
while (o = av_opt_next(&test_ctx, o)) {
ret = av_opt_is_set_to_default_by_name(&test_ctx, o->name, 0);
printf("name:%10s default:%d error:%s\n", o->name, !!ret, ret < 0 ? av_err2str(ret) : "");
}
av_opt_free(&test_ctx);
}
printf("\nTesting av_opt_get/av_opt_set()\n");
{
TestContext test_ctx = { 0 };
TestContext test2_ctx = { 0 };
const AVOption *o = NULL;
test_ctx.class = &test_class;
test2_ctx.class = &test_class;
av_log_set_level(AV_LOG_QUIET);
av_opt_set_defaults(&test_ctx);
while (o = av_opt_next(&test_ctx, o)) {
char *value1 = NULL;
char *value2 = NULL;
int ret1 = AVERROR_BUG;
int ret2 = AVERROR_BUG;
int ret3 = AVERROR_BUG;
if (o->type == AV_OPT_TYPE_CONST)
continue;
ret1 = av_opt_get(&test_ctx, o->name, 0, (uint8_t **)&value1);
if (ret1 >= 0) {
ret2 = av_opt_set(&test2_ctx, o->name, value1, 0);
if (ret2 >= 0)
ret3 = av_opt_get(&test2_ctx, o->name, 0, (uint8_t **)&value2);
}
printf("name: %-11s get: %-16s set: %-16s get: %-16s %s\n", o->name,
ret1 >= 0 ? value1 : av_err2str(ret1),
ret2 >= 0 ? "OK" : av_err2str(ret2),
ret3 >= 0 ? value2 : av_err2str(ret3),
ret1 >= 0 && ret2 >= 0 && ret3 >= 0 && !strcmp(value1, value2) ? "OK" : "Mismatch");
av_free(value1);
av_free(value2);
}
av_opt_free(&test_ctx);
av_opt_free(&test2_ctx);
}
printf("\nTest av_opt_serialize()\n");
{
TestContext test_ctx = { 0 };
char *buf;
test_ctx.class = &test_class;
av_log_set_level(AV_LOG_QUIET);
av_opt_set_defaults(&test_ctx);
if (av_opt_serialize(&test_ctx, 0, 0, &buf, '=', ',') >= 0) {
printf("%s\n", buf);
av_opt_free(&test_ctx);
memset(&test_ctx, 0, sizeof(test_ctx));
test_ctx.class = &test_class;
av_set_options_string(&test_ctx, buf, "=", ",");
av_free(buf);
if (av_opt_serialize(&test_ctx, 0, 0, &buf, '=', ',') >= 0) {
printf("%s\n", buf);
av_free(buf);
}
}
av_opt_free(&test_ctx);
}
printf("\nTesting av_set_options_string()\n");
{
TestContext test_ctx = { 0 };
static const char * const options[] = {
"",
":",
"=",
"foo=:",
":=foo",
"=foo",
"foo=",
"foo",
"foo=val",
"foo==val",
"toggle=:",
"string=:",
"toggle=1 : foo",
"toggle=100",
"toggle==1",
"flags=+mu-lame : num=42: toggle=0",
"num=42 : string=blahblah",
"rational=0 : rational=1/2 : rational=1/-1",
"rational=-1/0",
"size=1024x768",
"size=pal",
"size=bogus",
"pix_fmt=yuv420p",
"pix_fmt=2",
"pix_fmt=bogus",
"sample_fmt=s16",
"sample_fmt=2",
"sample_fmt=bogus",
"video_rate=pal",
"video_rate=25",
"video_rate=30000/1001",
"video_rate=30/1.001",
"video_rate=bogus",
"duration=bogus",
"duration=123.45",
"duration=1\\:23\\:45.67",
"color=blue",
"color=0x223300",
"color=0x42FF07AA",
"cl=FL+FR",
"cl=foo",
"bin=boguss",
"bin=111",
"bin=ffff",
"num64=bogus",
"num64=44",
"num64=44.4",
"num64=-1",
"num64=101",
"flt=bogus",
"flt=2",
"flt=2.2",
"flt=-1",
"flt=101",
"dbl=bogus",
"dbl=2",
"dbl=2.2",
"dbl=-1",
"dbl=101",
"bool1=true",
"bool2=auto",
"dict1='happy=\\:-):sad=\\:-('",
};
test_ctx.class = &test_class;
av_opt_set_defaults(&test_ctx);
av_log_set_level(AV_LOG_QUIET);
for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
int silence_log = !strcmp(options[i], "rational=-1/0"); // inf formating differs between platforms
av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
if (silence_log)
av_log_set_callback(NULL);
if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0)
printf("Error '%s'\n", options[i]);
else
printf("OK '%s'\n", options[i]);
av_log_set_callback(log_callback_help);
}
av_opt_free(&test_ctx);
}
printf("\nTesting av_opt_set_from_string()\n");
{
TestContext test_ctx = { 0 };
static const char * const options[] = {
"",
"5",
"5:hello",
"5:hello:size=pal",
"5:size=pal:hello",
":",
"=",
" 5 : hello : size = pal ",
"a_very_long_option_name_that_will_need_to_be_ellipsized_around_here=42"
};
static const char * const shorthand[] = { "num", "string", NULL };
test_ctx.class = &test_class;
av_opt_set_defaults(&test_ctx);
av_log_set_level(AV_LOG_QUIET);
for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
if (av_opt_set_from_string(&test_ctx, options[i], shorthand, "=", ":") < 0)
printf("Error '%s'\n", options[i]);
else
printf("OK '%s'\n", options[i]);
}
av_opt_free(&test_ctx);
}
return 0;
}