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add tag merging

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This commit is contained in:
Josh Coalson
2002-08-29 08:11:35 +00:00
parent 6783dd7ef6
commit e0b6c8c5df
2 changed files with 33 additions and 4 deletions
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29
src/plugin_common/canonical_tag.c
View File

@@ -63,7 +63,7 @@ void FLAC_plugin__canonical_tag_init(FLAC_Plugin__CanonicalTag *object)
{
FLAC__ASSERT(0 != object);
object->title = 0;
object->artist = 0;
object->composer = 0;
object->performer = 0;
object->album = 0;
object->year_recorded = 0;
@@ -78,7 +78,7 @@ void FLAC_plugin__canonical_tag_clear(FLAC_Plugin__CanonicalTag *object)
{
FLAC__ASSERT(0 != object);
local__safe_free(object->title);
local__safe_free(object->artist);
local__safe_free(object->composer);
local__safe_free(object->performer);
local__safe_free(object->album);
local__safe_free(object->year_recorded);
@@ -90,10 +90,33 @@ void FLAC_plugin__canonical_tag_clear(FLAC_Plugin__CanonicalTag *object)
FLAC_plugin__canonical_tag_init(object);
}
static void local__grab(char **dest, char **src)
{
if(0 == *dest) {
*dest = *src;
*src = 0;
}
}
void FLAC_plugin__canonical_tag_merge(FLAC_Plugin__CanonicalTag *dest, FLAC_Plugin__CanonicalTag *src)
{
local__grab(&dest->title, &src->title);
local__grab(&dest->composer, &src->composer);
local__grab(&dest->performer, &src->performer);
local__grab(&dest->album, &src->album);
local__grab(&dest->year_recorded, &src->year_recorded);
local__grab(&dest->year_performed, &src->year_performed);
local__grab(&dest->track_number, &src->track_number);
local__grab(&dest->tracks_in_album, &src->tracks_in_album);
local__grab(&dest->genre, &src->genre);
local__grab(&dest->comment, &src->comment);
}
void FLAC_plugin__canonical_tag_convert_from_id3v1(FLAC_Plugin__CanonicalTag *object, const FLAC_Plugin__Id3v1_Tag *id3v1_tag)
{
local__copy_field(&object->title, id3v1_tag->title, 30);
local__copy_field(&object->artist, id3v1_tag->artist, 30);
local__copy_field(&object->composer, id3v1_tag->artist, 30);
local__copy_field(&object->performer, id3v1_tag->artist, 30);
local__copy_field(&object->album, id3v1_tag->album, 30);
local__copy_field(&object->year_performed, id3v1_tag->year, 4);

8
src/plugin_common/canonical_tag.h
View File

@@ -23,7 +23,7 @@
typedef struct {
char *title;
char *artist;
char *composer;
char *performer;
char *album;
char *year_recorded;
@@ -39,6 +39,12 @@ void FLAC_plugin__canonical_tag_delete(FLAC_Plugin__CanonicalTag *);
void FLAC_plugin__canonical_tag_init(FLAC_Plugin__CanonicalTag *);
void FLAC_plugin__canonical_tag_clear(FLAC_Plugin__CanonicalTag *);
/* For each null field in dest, move the corresponding field from src
* WATCHOUT: note that src is not-const, because fields are 'moved' from
* src to dest and the src field is set to null.
*/
void FLAC_plugin__canonical_tag_merge(FLAC_Plugin__CanonicalTag *dest, FLAC_Plugin__CanonicalTag *src);
void FLAC_plugin__canonical_tag_convert_from_id3v1(FLAC_Plugin__CanonicalTag *, const FLAC_Plugin__Id3v1_Tag *);
#endif