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Code Issues Releases Wiki Activity

tags: add mp_tags_remove 

This removes all tags matching the provided key. This will be used for removing
metadata tags during encoding.
This commit is contained in:
Kevin Mitchell 2017-12-23 19:14:16 -07:00
parent e530783cdb
commit e2f71f509f
2 changed files with 21 additions and 0 deletions
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19
common/tags.c
View File

@ -18,6 +18,7 @@
#include <stddef.h>
#include <limits.h>
#include <strings.h>
#include <assert.h>
#include <libavutil/dict.h>
#include "tags.h"
#include "misc/bstr.h"
@ -44,6 +45,24 @@ void mp_tags_set_bstr(struct mp_tags *tags, bstr key, bstr value)
tags->num_keys++;
}
void mp_tags_remove_str(struct mp_tags *tags, const char *key)
{
mp_tags_remove_bstr(tags, bstr0(key));
}
void mp_tags_remove_bstr(struct mp_tags *tags, bstr key)
{
for (int n = 0; n < tags->num_keys; n++) {
if (bstrcasecmp0(key, tags->keys[n]) == 0) {
talloc_free(tags->keys[n]);
talloc_free(tags->values[n]);
int num_keys = tags->num_keys; // copy so it's only decremented once
MP_TARRAY_REMOVE_AT(tags->keys, num_keys, n);
MP_TARRAY_REMOVE_AT(tags->values, tags->num_keys, n);
}
}
}
char *mp_tags_get_str(struct mp_tags *tags, const char *key)
{
return mp_tags_get_bstr(tags, bstr0(key));

2
common/tags.h
View File

@ -11,6 +11,8 @@ struct mp_tags {
void mp_tags_set_str(struct mp_tags *tags, const char *key, const char *value);
void mp_tags_set_bstr(struct mp_tags *tags, bstr key, bstr value);
void mp_tags_remove_str(struct mp_tags *tags, const char *key);
void mp_tags_remove_bstr(struct mp_tags *tags, bstr key);
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);