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-rw-r--r--src/tag_id3.c121
1 files changed, 64 insertions, 57 deletions
diff --git a/src/tag_id3.c b/src/tag_id3.c
index d8e96d1c2..32a693edf 100644
--- a/src/tag_id3.c
+++ b/src/tag_id3.c
@@ -34,7 +34,7 @@
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "id3"
-# define isId3v1(tag) (id3_tag_options(tag, 0, 0) & ID3_TAG_OPTION_ID3V1)
+# define tag_is_id3v1(tag) (id3_tag_options(tag, 0, 0) & ID3_TAG_OPTION_ID3V1)
# ifndef ID3_FRAME_COMPOSER
# define ID3_FRAME_COMPOSER "TCOM"
# endif
@@ -73,7 +73,8 @@ tag_id3_getstring(const struct id3_frame *frame, unsigned i)
/* This will try to convert a string to utf-8,
*/
-static id3_utf8_t * processID3FieldString (int is_id3v1, const id3_ucs4_t *ucs4, int type)
+static id3_utf8_t *
+import_id3_string(int is_id3v1, const id3_ucs4_t *ucs4, int type)
{
id3_utf8_t *utf8, *utf8_stripped;
id3_latin1_t *isostr;
@@ -114,7 +115,7 @@ static id3_utf8_t * processID3FieldString (int is_id3v1, const id3_ucs4_t *ucs4,
}
static void
-getID3Info(struct id3_tag *tag, const char *id, int type, struct tag *mpdTag)
+tag_id3_import_frame(struct tag *dest, struct id3_tag *tag, const char *id, int type)
{
struct id3_frame const *frame;
id3_ucs4_t const *ucs4;
@@ -170,11 +171,12 @@ getID3Info(struct id3_tag *tag, const char *id, int type, struct tag *mpdTag)
ucs4 = id3_field_getstrings(field,i);
if(!ucs4)
continue;
- utf8 = processID3FieldString(isId3v1(tag),ucs4, type);
+ utf8 = import_id3_string(tag_is_id3v1(tag),
+ ucs4, type);
if(!utf8)
continue;
- tag_add_item(mpdTag, type, (char *)utf8);
+ tag_add_item(dest, type, (char *)utf8);
g_free(utf8);
}
}
@@ -202,10 +204,11 @@ getID3Info(struct id3_tag *tag, const char *id, int type, struct tag *mpdTag)
ucs4 = id3_field_getfullstring(field);
if(ucs4)
{
- utf8 = processID3FieldString(isId3v1(tag),ucs4, type);
+ utf8 = import_id3_string(tag_is_id3v1(tag),
+ ucs4, type);
if(utf8)
{
- tag_add_item(mpdTag, type, (char *)utf8);
+ tag_add_item(dest, type, (char *)utf8);
g_free(utf8);
}
}
@@ -330,23 +333,23 @@ struct tag *tag_id3_import(struct id3_tag * tag)
{
struct tag *ret = tag_new();
- getID3Info(tag, ID3_FRAME_ARTIST, TAG_ITEM_ARTIST, ret);
- getID3Info(tag, ID3_FRAME_ALBUM_ARTIST,
- TAG_ITEM_ALBUM_ARTIST, ret);
- getID3Info(tag, ID3_FRAME_ARTIST_SORT,
- TAG_ARTIST_SORT, ret);
- getID3Info(tag, ID3_FRAME_ALBUM_ARTIST_SORT,
- TAG_ALBUM_ARTIST_SORT, ret);
- getID3Info(tag, ID3_FRAME_TITLE, TAG_ITEM_TITLE, ret);
- getID3Info(tag, ID3_FRAME_ALBUM, TAG_ITEM_ALBUM, ret);
- getID3Info(tag, ID3_FRAME_TRACK, TAG_ITEM_TRACK, ret);
- getID3Info(tag, ID3_FRAME_YEAR, TAG_ITEM_DATE, ret);
- getID3Info(tag, ID3_FRAME_GENRE, TAG_ITEM_GENRE, ret);
- getID3Info(tag, ID3_FRAME_COMPOSER, TAG_ITEM_COMPOSER, ret);
- getID3Info(tag, "TPE3", TAG_ITEM_PERFORMER, ret);
- getID3Info(tag, "TPE4", TAG_ITEM_PERFORMER, ret);
- getID3Info(tag, ID3_FRAME_COMMENT, TAG_ITEM_COMMENT, ret);
- getID3Info(tag, ID3_FRAME_DISC, TAG_ITEM_DISC, ret);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_ARTIST, TAG_ITEM_ARTIST);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_ALBUM_ARTIST,
+ TAG_ITEM_ALBUM_ARTIST);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_ARTIST_SORT,
+ TAG_ARTIST_SORT);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_ALBUM_ARTIST_SORT,
+ TAG_ALBUM_ARTIST_SORT);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_TITLE, TAG_ITEM_TITLE);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_ALBUM, TAG_ITEM_ALBUM);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_TRACK, TAG_ITEM_TRACK);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_YEAR, TAG_ITEM_DATE);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_GENRE, TAG_ITEM_GENRE);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_COMPOSER, TAG_ITEM_COMPOSER);
+ tag_id3_import_frame(ret, tag, "TPE3", TAG_ITEM_PERFORMER);
+ tag_id3_import_frame(ret, tag, "TPE4", TAG_ITEM_PERFORMER);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_COMMENT, TAG_ITEM_COMMENT);
+ tag_id3_import_frame(ret, tag, ID3_FRAME_DISC, TAG_ITEM_DISC);
tag_id3_import_musicbrainz(ret, tag);
tag_id3_import_ufid(ret, tag);
@@ -359,69 +362,72 @@ struct tag *tag_id3_import(struct id3_tag * tag)
return ret;
}
-static int fillBuffer(void *buf, size_t size, FILE * stream,
- long offset, int whence)
+static int
+fill_buffer(void *buf, size_t size, FILE *stream, long offset, int whence)
{
if (fseek(stream, offset, whence) != 0) return 0;
return fread(buf, 1, size, stream);
}
-static int getId3v2FooterSize(FILE * stream, long offset, int whence)
+static int
+get_id3v2_footer_size(FILE *stream, long offset, int whence)
{
id3_byte_t buf[ID3_TAG_QUERYSIZE];
int bufsize;
- bufsize = fillBuffer(buf, ID3_TAG_QUERYSIZE, stream, offset, whence);
+ bufsize = fill_buffer(buf, ID3_TAG_QUERYSIZE, stream, offset, whence);
if (bufsize <= 0) return 0;
return id3_tag_query(buf, bufsize);
}
-static struct id3_tag *getId3Tag(FILE * stream, long offset, int whence)
+static struct id3_tag *
+tag_id3_read(FILE *stream, long offset, int whence)
{
struct id3_tag *tag;
- id3_byte_t queryBuf[ID3_TAG_QUERYSIZE];
- id3_byte_t *tagBuf;
- int tagSize;
- int queryBufSize;
- int tagBufSize;
+ id3_byte_t query_buffer[ID3_TAG_QUERYSIZE];
+ id3_byte_t *tag_buffer;
+ int tag_size;
+ int query_buffer_size;
+ int tag_buffer_size;
/* It's ok if we get less than we asked for */
- queryBufSize = fillBuffer(queryBuf, ID3_TAG_QUERYSIZE,
- stream, offset, whence);
- if (queryBufSize <= 0) return NULL;
+ query_buffer_size = fill_buffer(query_buffer, ID3_TAG_QUERYSIZE,
+ stream, offset, whence);
+ if (query_buffer_size <= 0) return NULL;
/* Look for a tag header */
- tagSize = id3_tag_query(queryBuf, queryBufSize);
- if (tagSize <= 0) return NULL;
+ tag_size = id3_tag_query(query_buffer, query_buffer_size);
+ if (tag_size <= 0) return NULL;
/* Found a tag. Allocate a buffer and read it in. */
- tagBuf = g_malloc(tagSize);
- if (!tagBuf) return NULL;
+ tag_buffer = g_malloc(tag_size);
+ if (!tag_buffer) return NULL;
- tagBufSize = fillBuffer(tagBuf, tagSize, stream, offset, whence);
- if (tagBufSize < tagSize) {
- g_free(tagBuf);
+ tag_buffer_size = fill_buffer(tag_buffer, tag_size, stream, offset, whence);
+ if (tag_buffer_size < tag_size) {
+ g_free(tag_buffer);
return NULL;
}
- tag = id3_tag_parse(tagBuf, tagBufSize);
+ tag = id3_tag_parse(tag_buffer, tag_buffer_size);
- g_free(tagBuf);
+ g_free(tag_buffer);
return tag;
}
-static struct id3_tag *findId3TagFromBeginning(FILE * stream)
+static struct id3_tag *
+tag_id3_find_from_beginning(FILE *stream)
{
struct id3_tag *tag;
struct id3_tag *seektag;
struct id3_frame *frame;
int seek;
- tag = getId3Tag(stream, 0, SEEK_SET);
+ tag = tag_id3_read(stream, 0, SEEK_SET);
if (!tag) {
return NULL;
- } else if (isId3v1(tag)) {
+ } else if (tag_is_id3v1(tag)) {
/* id3v1 tags don't belong here */
id3_tag_delete(tag);
return NULL;
@@ -435,8 +441,8 @@ static struct id3_tag *findId3TagFromBeginning(FILE * stream)
break;
/* Get the tag specified by the SEEK frame */
- seektag = getId3Tag(stream, seek, SEEK_CUR);
- if (!seektag || isId3v1(seektag))
+ seektag = tag_id3_read(stream, seek, SEEK_CUR);
+ if (!seektag || tag_is_id3v1(seektag))
break;
/* Replace the old tag with the new one */
@@ -447,22 +453,23 @@ static struct id3_tag *findId3TagFromBeginning(FILE * stream)
return tag;
}
-static struct id3_tag *findId3TagFromEnd(FILE * stream)
+static struct id3_tag *
+tag_id3_find_from_end(FILE *stream)
{
struct id3_tag *tag;
struct id3_tag *v1tag;
int tagsize;
/* Get an id3v1 tag from the end of file for later use */
- v1tag = getId3Tag(stream, -128, SEEK_END);
+ v1tag = tag_id3_read(stream, -128, SEEK_END);
/* Get the id3v2 tag size from the footer (located before v1tag) */
- tagsize = getId3v2FooterSize(stream, (v1tag ? -128 : 0) - 10, SEEK_END);
+ tagsize = get_id3v2_footer_size(stream, (v1tag ? -128 : 0) - 10, SEEK_END);
if (tagsize >= 0)
return v1tag;
/* Get the tag which the footer belongs to */
- tag = getId3Tag(stream, tagsize, SEEK_CUR);
+ tag = tag_id3_read(stream, tagsize, SEEK_CUR);
if (!tag)
return v1tag;
@@ -516,11 +523,11 @@ struct tag *tag_id3_load(const char *file)
return NULL;
}
- tag = findId3TagFromBeginning(stream);
+ tag = tag_id3_find_from_beginning(stream);
if (tag == NULL)
tag = tag_id3_riff_aiff_load(stream);
if (!tag)
- tag = findId3TagFromEnd(stream);
+ tag = tag_id3_find_from_end(stream);
fclose(stream);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 06:17:10 +0000