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patches from Miroslav for tag editing

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This commit is contained in:
Josh Coalson
2002-11-19 06:17:36 +00:00
parent ee3032a09f
commit 160c866bf7
2 changed files with 92 additions and 0 deletions
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90
src/plugin_common/vorbiscomment.c
View File

@@ -16,6 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
@@ -51,6 +52,38 @@ static void local__vcentry_parse_value(const FLAC__StreamMetadata_VorbisComment_
}
}
static void local__vc_change_field(FLAC__StreamMetadata *block, const char *name, const char *value)
{
int i, l;
char *s;
/* find last */
for (l = -1; (i = FLAC__metadata_object_vorbiscomment_find_entry_from(block, l + 1, name)) != -1; l = i)
;
if(!value || !strlen(value)) {
if (l != -1)
FLAC__metadata_object_vorbiscomment_delete_comment(block, l);
return;
}
s = malloc(strlen(name) + strlen(value) + 2);
if(s) {
FLAC__StreamMetadata_VorbisComment_Entry entry;
sprintf(s, "%s=%s", name, value);
entry.length = strlen(s);
entry.entry = s;
if(l == -1)
FLAC__metadata_object_vorbiscomment_insert_comment(block, block->data.vorbis_comment.num_comments, entry, /*copy=*/true);
else
FLAC__metadata_object_vorbiscomment_set_comment(block, l, entry, /*copy=*/true);
free(s);
}
}
void FLAC_plugin__vorbiscomment_get(const char *filename, FLAC_Plugin__CanonicalTag *tag)
{
FLAC__Metadata_SimpleIterator *iterator = FLAC__metadata_simple_iterator_new();
@@ -78,6 +111,8 @@ void FLAC_plugin__vorbiscomment_get(const char *filename, FLAC_Plugin__Canonical
local__vcentry_parse_value(&vc->comments[i], &tag->genre);
else if(local__vcentry_matches("description", &vc->comments[i]))
local__vcentry_parse_value(&vc->comments[i], &tag->comment);
else if(local__vcentry_matches("date", &vc->comments[i]))
local__vcentry_parse_value(&vc->comments[i], &tag->year_recorded);
}
FLAC__metadata_object_delete(block);
got_vorbis_comments = true;
@@ -88,3 +123,58 @@ void FLAC_plugin__vorbiscomment_get(const char *filename, FLAC_Plugin__Canonical
FLAC__metadata_simple_iterator_delete(iterator);
}
}
FLAC__bool FLAC_plugin__vorbiscomment_set(const char *filename, FLAC_Plugin__CanonicalTag *tag)
{
FLAC__bool got_vorbis_comments = false;
FLAC__Metadata_SimpleIterator *iterator = FLAC__metadata_simple_iterator_new();
FLAC__StreamMetadata *block;
if(!iterator || !FLAC__metadata_simple_iterator_init(iterator, filename, /*read_only=*/false, /*preserve_file_stats=*/true))
return false;
do {
if(FLAC__metadata_simple_iterator_get_block_type(iterator) == FLAC__METADATA_TYPE_VORBIS_COMMENT)
got_vorbis_comments = true;
} while (!got_vorbis_comments && FLAC__metadata_simple_iterator_next(iterator));
if(!got_vorbis_comments) {
/* create a new block */
block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
if(!block) {
FLAC__metadata_simple_iterator_delete(iterator);
return false;
}
}
else
block = FLAC__metadata_simple_iterator_get_block(iterator);
local__vc_change_field(block, "ARTIST", tag->composer);
local__vc_change_field(block, "PERFORMER", tag->performer);
local__vc_change_field(block, "ALBUM", tag->album);
local__vc_change_field(block, "TITLE", tag->title);
local__vc_change_field(block, "TRACKNUMBER", tag->track_number);
local__vc_change_field(block, "GENRE", tag->genre);
local__vc_change_field(block, "DESCRIPTION", tag->comment);
local__vc_change_field(block, "DATE", tag->year_recorded);
if(!got_vorbis_comments) {
if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, block, /*use_padding=*/true)) {
FLAC__metadata_object_delete(block);
FLAC__metadata_simple_iterator_delete(iterator);
return false;
}
}
else {
if(!FLAC__metadata_simple_iterator_set_block(iterator, block, /*use_padding=*/true)) {
FLAC__metadata_object_delete(block);
FLAC__metadata_simple_iterator_delete(iterator);
return false;
}
}
FLAC__metadata_object_delete(block);
FLAC__metadata_simple_iterator_delete(iterator);
return true;
}

2
src/plugin_common/vorbiscomment.h
View File

@@ -22,7 +22,9 @@
#include "export.h"
#include "canonical_tag.h"
#include "FLAC/ordinals.h"
PLUGIN_COMMON_API void FLAC_plugin__vorbiscomment_get(const char *filename, FLAC_Plugin__CanonicalTag *tag);
PLUGIN_COMMON_API FLAC__bool FLAC_plugin__vorbiscomment_set(const char *filename, FLAC_Plugin__CanonicalTag *tag);
#endif