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tags: add copy function

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This commit is contained in:
wm4 2014-07-16 22:40:12 +02:00
parent 073b2becfe
commit 69a8f08f3e
2 changed files with 14 additions and 0 deletions
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13
common/tags.c
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@ -61,6 +61,19 @@ void mp_tags_clear(struct mp_tags *tags)
talloc_free_children(tags);
}
struct mp_tags *mp_tags_dup(void *tparent, struct mp_tags *tags)
{
struct mp_tags *new = talloc_zero(tparent, struct mp_tags);
MP_RESIZE_ARRAY(new, new->keys, tags->num_keys);
MP_RESIZE_ARRAY(new, new->values, tags->num_keys);
new->num_keys = tags->num_keys;
for (int n = 0; n < tags->num_keys; n++) {
new->keys[n] = talloc_strdup(new, tags->keys[n]);
new->values[n] = talloc_strdup(new, tags->values[n]);
}
return new;
}
void mp_tags_merge(struct mp_tags *tags, struct mp_tags *src)
{
for (int n = 0; n < src->num_keys; n++)

1
common/tags.h
View File

@ -14,6 +14,7 @@ void mp_tags_set_bstr(struct mp_tags *tags, bstr key, bstr value);
char *mp_tags_get_str(struct mp_tags *tags, const char *key);
char *mp_tags_get_bstr(struct mp_tags *tags, bstr key);
void mp_tags_clear(struct mp_tags *tags);
struct mp_tags *mp_tags_dup(void *tparent, struct mp_tags *tags);
void mp_tags_merge(struct mp_tags *tags, struct mp_tags *src);
struct AVDictionary;
void mp_tags_copy_from_av_dictionary(struct mp_tags *tags,