const id3_ucs4_t* id3_metadata_getalbumartist(const struct id3_tag* tag, enum id3_field_textencoding* encoding)
{
id3_ucs4_t const *ucs4 = metadata_getstring(tag, "TPE2", encoding);
if (ucs4 && *ucs4) return ucs4;
ucs4 = id3_metadata_getusertext(tag, "ALBUM ARTIST");
if (ucs4 && *ucs4) return ucs4;
ucs4 = id3_metadata_getusertext(tag, "ALBUMARTIST");
if (ucs4 && *ucs4) return ucs4;
return id3_ucs4_empty;
}
char id3_metadata_getrating(const struct id3_tag* tag)
{
union id3_field const *field;
struct id3_frame const *frame;
int value;
frame = id3_tag_findframe(tag, "POPM", 0);
if (frame)
{
field = id3_frame_field(frame, 1);
if (field)
{ // based on mediamonkey's values, simplified down a bit
// http://www.mediamonkey.com/forum/viewtopic.php?f=7&t=40532
value = id3_field_getint(field);
if (value == 1) return '1'; // WMP11 madness
if (value < 9) return '0';
if (value < 50) return '1';
if (value < 114) return '2';
if (value < 168) return '3';
if (value < 219) return '4';
return '5';
}
}
else
{
const id3_ucs4_t *ucs4 = id3_metadata_getusertext(tag, "RATING");
if (ucs4 && *ucs4 > '0' && *ucs4 < '6')
return (char)*ucs4;
}
return '0';
}
char id3_metadata_getrating(const struct id3_tag* tag)
{
union id3_field const *field;
struct id3_frame const *frame;
frame = id3_tag_findframe(tag, "POPM", 0);
if (frame)
{
field = id3_frame_field(frame, 1);
if (field)
{ // media monkey's value
return (id3_field_getint(field) / 50) + '0';
}
}
else
{
const id3_ucs4_t *ucs4 = id3_metadata_getusertext(tag, "RATING");
if (ucs4 && *ucs4 > '0' && *ucs4 < '6')
return (char)*ucs4;
}
return '0';
}
