char * getTagString(struct id3_tag *tag, const char *frameName) {
struct id3_frame *frame;
union id3_field *field;
int i;
const id3_ucs4_t *unicode;
char *ret;
frame = id3_tag_findframe(tag,frameName,0);
if(!frame) {
fprintf(stdout,"No frame\n");
return NULL;
}
for(i=0;;i++) {
field = id3_frame_field(frame,i);
if(!field) {
break;
}
if(id3_field_type(field) == ID3_FIELD_TYPE_STRINGLIST) {
unicode = id3_field_getstrings(field,0);
if(unicode) {
id3_utf8_t *str;
str = id3_ucs4_utf8duplicate(unicode);
ret = (char *) str;
}
}
}
return ret;
}
wchar_t* GetMP3Tag(const id3_tag* tag, const char* name)
{
wchar_t* content = NULL;
id3_frame* frame = id3_tag_findframe(tag, name, 0);
if (frame != NULL)
{
id3_field* field = id3_frame_field(frame, 0);
id3_field_textencoding encoding = id3_field_gettextencoding(field);
field = id3_frame_field(frame, 1);
switch (id3_field_type(field))
{
case ID3_FIELD_TYPE_STRING:
content = GetMP3Text(encoding, field, id3_field_getstring(field));
break;
case ID3_FIELD_TYPE_STRINGFULL:
content = GetMP3Text(encoding, field, id3_field_getfullstring(field));
break;
case ID3_FIELD_TYPE_STRINGLIST:
{
DWORD dataLength = 0, bufferLength = 0;
unsigned int n = id3_field_getnstrings(field);
for (unsigned int i = 0; i < n; i++)
{
wchar_t* p = GetMP3Text(encoding, field, id3_field_getstrings(field, i));
if (p == NULL)
continue;
AppendBuffer((char**)&content, dataLength, bufferLength, (const char*)p, wcslen(p) * 2 + 1);
SAFE_DELETE_ARRAY(p);
}
}
break;
}
}
return content;
}
int BarFlyID3AddCover(struct id3_tag* tag, uint8_t const* cover_art,
size_t cover_size, BarSettings_t const* settings)
{
/*
* http://flac.sourceforge.net/api/group__flac__format.html#ga113
*/
int const PICTURE_TYPE_FRONT_COVER = 3;
char const BAR_FLY_ID3_FRAME_PICTURE[] = "APIC";
int exit_status = 0;
int status;
struct id3_frame* frame = NULL;
union id3_field* field;
int index;
char* mime_type;
assert(tag != NULL);
assert(cover_art != NULL);
assert(settings != NULL);
/*
* Get a new picture frame.
*/
frame = id3_frame_new(BAR_FLY_ID3_FRAME_PICTURE);
if (frame == NULL) {
BarUiMsg(settings, MSG_ERR, "Failed to create new frame (type = %s).\n",
BAR_FLY_ID3_FRAME_PICTURE);
goto error;
}
/*
* Go through all the frame fields setting the mime type, image type, and
* the image data.
*/
index = 0;
field = id3_frame_field(frame, index);
while (field != NULL) {
switch (id3_field_type(field)) {
/*
* Set the cover art mime type.
*/
case (ID3_FIELD_TYPE_LATIN1):
if ((cover_art[0] == 0xFF) && (cover_art[1] == 0xD8)) {
mime_type = "image/jpeg";
} else if ((cover_art[0] == 0x89) &&
(cover_art[1] == 0x50) &&
(cover_art[2] == 0x4E) &&
(cover_art[3] == 0x47) &&
(cover_art[4] == 0x0D) &&
(cover_art[5] == 0x0A) &&
(cover_art[6] == 0x1A) &&
(cover_art[7] == 0x0A)) {
mime_type = "image/png";
} else {
mime_type = NULL;
}
id3_field_setlatin1(field, (id3_latin1_t const*)mime_type);
break;
/*
* Designate this as the front cover.
*/
case (ID3_FIELD_TYPE_INT8):
id3_field_setint(field, PICTURE_TYPE_FRONT_COVER);
break;
/*
* Set the image data.
*/
case (ID3_FIELD_TYPE_BINARYDATA):
id3_field_setbinarydata(field, cover_art, cover_size);
break;
default:
break;
}
index++;
field = id3_frame_field(frame, index);
}
/*
* Attach the frame to the tag.
*/
status = id3_tag_attachframe(tag, frame);
if (status != 0) {
BarUiMsg(settings, MSG_ERR, "Failed to attach cover art frame.\n");
goto error;
}
goto end;
error:
if (frame != NULL) {
id3_frame_delete(frame);
}
exit_status = -1;
end:
return exit_status;
}
int BarFlyID3AddFrame(struct id3_tag* tag, char const* type,
char const* value, BarSettings_t const* settings)
{
int exit_status = 0;
int status;
struct id3_frame* frame = NULL;
union id3_field* field;
id3_ucs4_t* ucs4 = NULL;
int index;
assert(tag != NULL);
assert(type != NULL);
assert(value != NULL);
assert(settings != NULL);
/*
* Create the frame.
*/
frame = id3_frame_new(type);
if (frame == NULL) {
BarUiMsg(settings, MSG_ERR, "Failed to create new frame (type = %s).\n",
type);
goto error;
}
frame->flags &= ~ID3_FRAME_FLAG_FORMATFLAGS;
/*
* Get the string list field of the frame.
*/
index = 0;
do {
field = id3_frame_field(frame, index);
index++;
} while (id3_field_type(field) != ID3_FIELD_TYPE_STRINGLIST);
assert(id3_field_type(field) == ID3_FIELD_TYPE_STRINGLIST);
/*
* Add the value as a string to the field.
*/
ucs4 = id3_latin1_ucs4duplicate((id3_latin1_t*)value);
if (ucs4 == NULL) {
BarUiMsg(settings, MSG_ERR, "Could not allocate memory.\n");
goto error;
}
status = id3_field_addstring(field, ucs4);
if (status != 0) {
BarUiMsg(settings, MSG_ERR, "Failed to set field value (value = %s).\n",
value);
goto error;
}
/*
* Attach the frame to the tag.
*/
status = id3_tag_attachframe(tag, frame);
if (status != 0) {
BarUiMsg(settings, MSG_ERR, "Failed to attach frame (type = %s).\n",
type);
goto error;
}
goto end;
error:
if (frame != NULL) {
id3_frame_delete(frame);
}
exit_status = -1;
end:
if (ucs4 != NULL) {
free(ucs4);
}
return exit_status;
}
static gchar *
getFrameText (struct id3_tag *tag, char *frame_name)
{
const id3_ucs4_t *string;
struct id3_frame *frame;
union id3_field *field;
gchar *utf8 = NULL;
enum id3_field_textencoding encoding = ID3_FIELD_TEXTENCODING_ISO_8859_1;
frame = id3_tag_findframe (tag, frame_name, 0);
if (!frame)
return NULL;
/* Find the encoding used for the field */
field = id3_frame_field (frame, 0);
//printf ("field: %p\n", field);
if (field && (id3_field_type (field) == ID3_FIELD_TYPE_TEXTENCODING))
{
encoding = field->number.value;
//printf ("encoding: %d\n", encoding);
}
if (strcmp (frame_name, ID3_FRAME_COMMENT) == 0)
field = id3_frame_field (frame, 3);
else
field = id3_frame_field (frame, 1);
//printf ("field: %p\n", field);
if (!field)
return NULL;
if (strcmp (frame_name, ID3_FRAME_COMMENT) == 0)
string = id3_field_getfullstring (field);
else
string = id3_field_getstrings (field, 0);
// g_debug("string: %s\n", string);
if (!string)
return NULL;
if (strcmp (frame_name, ID3_FRAME_GENRE) == 0)
string = id3_genre_name (string);
if (encoding == ID3_FIELD_TEXTENCODING_ISO_8859_1)
{
/* ISO_8859_1 is just a "marker" -- most people just drop
whatever coding system they are using into it, so we use
charset_to_utf8() to convert to utf8 */
id3_latin1_t *raw = id3_ucs4_latin1duplicate (string);
utf8 = (gchar *) charset_to_utf8 (raw);
g_free (raw);
}
else
{
/* Standard unicode is being used -- we won't have to worry
about charsets then. */
// g_debug("This frame is a Unicode frame!\n");
utf8 = (gchar *) id3_ucs4_utf8duplicate (string);
}
// g_debug("Found tag: %s, value: %s\n", frame_name, utf8);
return utf8;
}
