virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-11-23 21:54:53 +02:00
Code Issues Releases Activity

avutil/opt: add support for children objects in av_opt_serialize

Browse Source 
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2024-04-12 19:10:25 -03:00
parent 855d4b5254
commit 8616cfe089
6 changed files with 100 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
libavutil/tests/opt.c
View File

@@ -30,6 +30,7 @@
typedef struct TestContext {
const AVClass *class;
struct ChildContext *child;
int num;
int toggle;
char *string;
@@ -123,10 +124,46 @@ static const char *test_get_name(void *ctx)
return "test";
}
typedef struct ChildContext {
const AVClass *class;
int64_t child_num64;
int child_num;
} ChildContext;
#undef OFFSET
#define OFFSET(x) offsetof(ChildContext, x)
static const AVOption child_options[]= {
{"child_num64", "set num 64bit", OFFSET(child_num64), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, 100, 1 },
{"child_num", "set child_num", OFFSET(child_num), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 100, 1 },
{ NULL },
};
static const char *child_get_name(void *ctx)
{
return "child";
}
static const AVClass child_class = {
.class_name = "ChildContext",
.item_name = child_get_name,
.option = child_options,
.version = LIBAVUTIL_VERSION_INT,
};
static void *test_child_next(void *obj, void *prev)
{
TestContext *test_ctx = obj;
if (!prev)
return test_ctx->child;
return NULL;
}
static const AVClass test_class = {
.class_name = "TestContext",
.item_name = test_get_name,
.option = test_options,
.child_next = test_child_next,
.version = LIBAVUTIL_VERSION_INT,
};
@@ -277,13 +314,19 @@ int main(void)
av_set_options_string(&test_ctx, buf, "=", ",");
av_free(buf);
if (av_opt_serialize(&test_ctx, 0, 0, &buf, '=', ',') >= 0) {
ChildContext child_ctx = { 0 };
printf("%s\n", buf);
av_free(buf);
if (av_opt_serialize(&test_ctx, 0, AV_OPT_SERIALIZE_SKIP_DEFAULTS, &buf, '=', ',') >= 0) {
if (strlen(buf))
printf("%s\n", buf);
child_ctx.class = &child_class;
test_ctx.child = &child_ctx;
if (av_opt_serialize(&test_ctx, 0,
AV_OPT_SERIALIZE_SKIP_DEFAULTS|AV_OPT_SERIALIZE_SEARCH_CHILDREN,
&buf, '=', ',') >= 0) {
printf("%s\n", buf);
av_free(buf);
}
av_opt_free(&child_ctx);
test_ctx.child = NULL;
}
}
av_opt_free(&test_ctx);