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ext/taglib/gstid3v2mux.cc: Handle multiple tags of the same type properly. Re-inject unparsed ID3v2 frames that we ge...

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Original commit message from CVS:
* ext/taglib/gstid3v2mux.cc:
Handle multiple tags of the same type properly. Re-inject
unparsed ID3v2 frames that we get as binary blobs from
id3demux into the tag again so we don't lose information
when retagging (#334375).
This commit is contained in:
Tim-Philipp Müller 2006-07-26 08:17:45 +00:00
parent f62efef113
commit 9a40416751
2 changed files with 346 additions and 255 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2006-07-26 Tim-Philipp Müller <tim at centricular dot net>
* ext/taglib/gstid3v2mux.cc:
Handle multiple tags of the same type properly. Re-inject
unparsed ID3v2 frames that we get as binary blobs from
id3demux into the tag again so we don't lose information
when retagging (#334375).
2006-07-25 Tim-Philipp Müller <tim at centricular dot net>
* sys/ximage/gstximagesrc.c: (gst_ximage_src_class_init):

593
ext/taglib/gstid3v2mux.cc
View file

@ -113,32 +113,6 @@ gst_id3v2_mux_init (GstId3v2Mux * id3v2mux, GstId3v2MuxClass * id3v2mux_class)
/* nothing to do */
}
static void
add_one_txxx_musicbrainz_tag (ID3v2::Tag * id3v2tag, const gchar * spec_id,
const gchar * realworld_id, const gchar * id_str)
{
ID3v2::UserTextIdentificationFrame * frame;
if (id_str == NULL)
return;
GST_DEBUG ("Setting %s to %s", GST_STR_NULL (spec_id), id_str);
if (spec_id) {
frame = new ID3v2::UserTextIdentificationFrame (String::Latin1);
id3v2tag->addFrame (frame);
frame->setDescription (spec_id);
frame->setText (id_str);
}
if (realworld_id) {
frame = new ID3v2::UserTextIdentificationFrame (String::Latin1);
id3v2tag->addFrame (frame);
frame->setDescription (realworld_id);
frame->setText (id_str);
}
}
#if 0
static void
add_one_txxx_tag (ID3v2::Tag * id3v2tag, const gchar * key, const gchar * val)
@ -156,260 +130,277 @@ add_one_txxx_tag (ID3v2::Tag * id3v2tag, const gchar * key, const gchar * val)
}
#endif
typedef void (*GstId3v2MuxAddTagFunc) (ID3v2::Tag * id3v2tag,
const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * data);
static void
add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
add_encoder_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * unused)
{
ID3v2::Tag * id3v2tag = (ID3v2::Tag *) user_data;
gboolean result;
TagLib::StringList string_list;
guint n;
/* FIXME: if there are several values set for the same tag, this won't
* work, only the first value will be taken into account
*/
if (strcmp (tag, GST_TAG_TITLE) == 0) {
char *title;
/* ENCODER_VERSION is either handled with the ENCODER tag or not at all */
if (strcmp (tag, GST_TAG_ENCODER_VERSION) == 0)
return;
result = gst_tag_list_get_string_index (list, tag, 0, &title);
if (result != FALSE) {
GST_DEBUG ("Setting title to %s", title);
id3v2tag->setTitle (String::String (title, String::UTF8));
}
g_free (title);
} else if (strcmp (tag, GST_TAG_ALBUM) == 0) {
char *album;
for (n = 0; n < num_tags; ++n) {
gchar *encoder = NULL;
result = gst_tag_list_get_string_index (list, tag, 0, &album);
if (result != FALSE) {
GST_DEBUG ("Setting album to %s", album);
id3v2tag->setAlbum (String::String (album, String::UTF8));
}
g_free (album);
} else if (strcmp (tag, GST_TAG_ARTIST) == 0) {
char *artist;
result = gst_tag_list_get_string_index (list, tag, 0, &artist);
if (result != FALSE) {
GST_DEBUG ("Setting artist to %s", artist);
id3v2tag->setArtist (String::String (artist, String::UTF8));
}
g_free (artist);
} else if (strcmp (tag, GST_TAG_GENRE) == 0) {
char *genre;
result = gst_tag_list_get_string_index (list, tag, 0, &genre);
if (result != FALSE) {
GST_DEBUG ("Setting genre to %s", genre);
id3v2tag->setGenre (String::String (genre, String::UTF8));
}
g_free (genre);
} else if (strcmp (tag, GST_TAG_COMMENT) == 0) {
char *comment;
result = gst_tag_list_get_string_index (list, tag, 0, &comment);
if (result != FALSE) {
GST_DEBUG ("Setting comment to %s", comment);
id3v2tag->setComment (String::String (comment, String::UTF8));
}
g_free (comment);
} else if (strcmp (tag, GST_TAG_DATE) == 0) {
GDate *date;
result = gst_tag_list_get_date_index (list, tag, 0, &date);
if (result != FALSE) {
GDateYear year;
year = g_date_get_year (date);
GST_DEBUG ("Setting track year to %d", year);
id3v2tag->setYear (year);
g_date_free (date);
}
} else if (strcmp (tag, GST_TAG_TRACK_NUMBER) == 0) {
guint track_number;
result = gst_tag_list_get_uint_index (list, tag, 0, &track_number);
if (result != FALSE) {
guint total_tracks;
result = gst_tag_list_get_uint_index (list, GST_TAG_TRACK_COUNT,
0, &total_tracks);
if (result) {
gchar *tag_str;
ID3v2::TextIdentificationFrame * frame;
frame = new ID3v2::TextIdentificationFrame ("TRCK", String::UTF8);
tag_str = g_strdup_printf ("%d/%d", track_number, total_tracks);
GST_DEBUG ("Setting track number to %s", tag_str);
id3v2tag->addFrame (frame);
frame->setText (tag_str);
g_free (tag_str);
} else {
GST_DEBUG ("Setting track number to %d", track_number);
id3v2tag->setTrack (track_number);
}
}
} else if (strcmp (tag, GST_TAG_TRACK_COUNT) == 0) {
guint n;
if (gst_tag_list_get_uint_index (list, GST_TAG_TRACK_NUMBER, 0, &n)) {
GST_DEBUG ("track-count handled with track-number, skipping");
} else if (gst_tag_list_get_uint_index (list, GST_TAG_TRACK_COUNT, 0, &n)) {
ID3v2::TextIdentificationFrame * frame;
gchar *tag_str;
frame = new ID3v2::TextIdentificationFrame ("TRCK", String::UTF8);
tag_str = g_strdup_printf ("0/%u", n);
GST_DEBUG ("Setting track number/count to %s", tag_str);
id3v2tag->addFrame (frame);
frame->setText (tag_str);
g_free (tag_str);
}
} else if (strcmp (tag, GST_TAG_ALBUM_VOLUME_NUMBER) == 0) {
guint volume_number;
result = gst_tag_list_get_uint_index (list, tag, 0, &volume_number);
if (result != FALSE) {
guint volume_count;
gchar *tag_str;
ID3v2::TextIdentificationFrame * frame;
frame = new ID3v2::TextIdentificationFrame ("TPOS", String::UTF8);
result = gst_tag_list_get_uint_index (list, GST_TAG_ALBUM_VOLUME_COUNT,
0, &volume_count);
if (result) {
tag_str = g_strdup_printf ("%d/%d", volume_number, volume_count);
} else {
tag_str = g_strdup_printf ("%d", volume_number);
}
GST_DEBUG ("Setting album number to %s", tag_str);
id3v2tag->addFrame (frame);
frame->setText (tag_str);
g_free (tag_str);
}
} else if (strcmp (tag, GST_TAG_ALBUM_VOLUME_COUNT) == 0) {
guint n;
if (gst_tag_list_get_uint_index (list, GST_TAG_ALBUM_VOLUME_NUMBER, 0, &n)) {
GST_DEBUG ("volume-count handled with volume-number, skipping");
} else if (gst_tag_list_get_uint_index (list, GST_TAG_ALBUM_VOLUME_COUNT,
0, &n)) {
ID3v2::TextIdentificationFrame * frame;
gchar *tag_str;
frame = new ID3v2::TextIdentificationFrame ("TPOS", String::UTF8);
tag_str = g_strdup_printf ("0/%u", n);
GST_DEBUG ("Setting album volume number/count to %s", tag_str);
id3v2tag->addFrame (frame);
frame->setText (tag_str);
g_free (tag_str);
}
} else if (strcmp (tag, GST_TAG_COPYRIGHT) == 0) {
gchar *copyright;
result = gst_tag_list_get_string_index (list, tag, 0, &copyright);
if (result != FALSE) {
ID3v2::TextIdentificationFrame * frame;
GST_DEBUG ("Setting copyright to %s", copyright);
frame = new ID3v2::TextIdentificationFrame ("TCOP", String::UTF8);
id3v2tag->addFrame (frame);
frame->setText (copyright);
g_free (copyright);
}
} else if (strcmp (tag, GST_TAG_ENCODER) == 0) {
gchar *encoder;
result = gst_tag_list_get_string_index (list, tag, 0, &encoder);
if (result != FALSE && encoder != NULL) {
ID3v2::TextIdentificationFrame * frame;
if (gst_tag_list_get_string_index (list, tag, n, &encoder) && encoder) {
guint encoder_version;
gchar *tag_str;
gchar *s;
frame = new ID3v2::TextIdentificationFrame ("TSSE", String::UTF8);
if (gst_tag_list_get_uint_index (list, GST_TAG_ENCODER_VERSION, 0,
if (gst_tag_list_get_uint_index (list, GST_TAG_ENCODER_VERSION, n,
&encoder_version) && encoder_version > 0) {
tag_str = g_strdup_printf ("%s %u", encoder, encoder_version);
s = g_strdup_printf ("%s %u", encoder, encoder_version);
} else {
tag_str = g_strdup (encoder);
s = g_strdup (encoder);
}
GST_DEBUG ("Setting encoder to %s", tag_str);
id3v2tag->addFrame (frame);
frame->setText (tag_str);
g_free (tag_str);
GST_LOG ("encoder[%u] = '%s'", n, s);
string_list.append (String (s, String::UTF8));
g_free (s);
g_free (encoder);
}
} else if (strcmp (tag, GST_TAG_ENCODER_VERSION) == 0) {
gchar *tmp_str = NULL;
}
if (gst_tag_list_get_string_index (list, GST_TAG_ENCODER, 0, &tmp_str)) {
GST_DEBUG ("encoder-version handled with encoder, skipping");
g_free (tmp_str);
} else {
GST_WARNING ("encoder-version, but no encoder?! skipping");
if (!string_list.isEmpty ()) {
ID3v2::TextIdentificationFrame * f;
f = new ID3v2::TextIdentificationFrame ("TSSE", String::UTF8);
id3v2tag->addFrame (f);
f->setText (string_list);
} else {
GST_WARNING ("Empty list for tag %s, skipping", tag);
}
}
static void
add_date_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * unused)
{
TagLib::StringList string_list;
guint n;
GST_LOG ("Adding date frame");
for (n = 0; n < num_tags; ++n) {
GDate *date = NULL;
if (gst_tag_list_get_date_index (list, tag, n, &date) && date != NULL) {
GDateYear year;
gchar *s;
year = g_date_get_year (date);
if (year > 500 && year < 2100) {
s = g_strdup_printf ("%u", year);
GST_LOG ("%s[%u] = '%s'", tag, n, s);
string_list.append (String (s, String::UTF8));
g_free (s);
} else {
GST_WARNING ("invalid year %u, skipping", year);
}
g_date_free (date);
}
} else if (strcmp (tag, GST_TAG_MUSICBRAINZ_ARTISTID) == 0) {
gchar *id_str;
}
if (gst_tag_list_get_string_index (list, tag, 0, &id_str) && id_str) {
add_one_txxx_musicbrainz_tag (id3v2tag, "MusicBrainz Artist Id",
"musicbrainz_artistid", id_str);
g_free (id_str);
}
} else if (strcmp (tag, GST_TAG_MUSICBRAINZ_ALBUMID) == 0) {
gchar *id_str;
if (!string_list.isEmpty ()) {
ID3v2::TextIdentificationFrame * f;
if (gst_tag_list_get_string_index (list, tag, 0, &id_str) && id_str) {
add_one_txxx_musicbrainz_tag (id3v2tag, "MusicBrainz Album Id",
"musicbrainz_albumid", id_str);
g_free (id_str);
}
} else if (strcmp (tag, GST_TAG_MUSICBRAINZ_ALBUMARTISTID) == 0) {
gchar *id_str;
f = new ID3v2::TextIdentificationFrame ("TDRC", String::UTF8);
id3v2tag->addFrame (f);
f->setText (string_list);
} else {
GST_WARNING ("Empty list for tag %s, skipping", tag);
}
}
if (gst_tag_list_get_string_index (list, tag, 0, &id_str) && id_str) {
add_one_txxx_musicbrainz_tag (id3v2tag, "MusicBrainz Album Artist Id",
"musicbrainz_albumartistid", id_str);
g_free (id_str);
}
} else if (strcmp (tag, GST_TAG_MUSICBRAINZ_TRMID) == 0) {
gchar *id_str;
static void
add_count_or_num_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * frame_id)
{
static const struct
{
const gchar *gst_tag;
const gchar *corr_count; /* corresponding COUNT tag (if number) */
const gchar *corr_num; /* corresponding NUMBER tag (if count) */
} corr[] = {
{
GST_TAG_TRACK_NUMBER, GST_TAG_TRACK_COUNT, NULL}, {
GST_TAG_TRACK_COUNT, NULL, GST_TAG_TRACK_NUMBER}, {
GST_TAG_ALBUM_VOLUME_NUMBER, GST_TAG_ALBUM_VOLUME_COUNT, NULL}, {
GST_TAG_ALBUM_VOLUME_COUNT, NULL, GST_TAG_ALBUM_VOLUME_NUMBER}
};
guint idx;
if (gst_tag_list_get_string_index (list, tag, 0, &id_str) && id_str) {
add_one_txxx_musicbrainz_tag (id3v2tag, "MusicBrainz TRM Id",
"musicbrainz_trmid", id_str);
g_free (id_str);
}
} else if (strcmp (tag, GST_TAG_MUSICBRAINZ_TRACKID) == 0) {
gchar *id_str;
for (idx = 0; idx < G_N_ELEMENTS (corr); ++idx) {
if (strcmp (corr[idx].gst_tag, tag) == 0)
break;
}
if (gst_tag_list_get_string_index (list, tag, 0, &id_str) && id_str) {
ID3v2::UniqueFileIdentifierFrame * frame;
g_assert (idx < G_N_ELEMENTS (corr));
g_assert (frame_id && strlen (frame_id) == 4);
GST_DEBUG ("Setting Musicbrainz Track Id to %s", id_str);
if (corr[idx].corr_num == NULL) {
guint number;
frame = new ID3v2::UniqueFileIdentifierFrame ("http://musicbrainz.org",
id_str);
/* number tag */
if (gst_tag_list_get_uint_index (list, tag, 0, &number)) {
ID3v2::TextIdentificationFrame * frame;
gchar *tag_str;
guint count;
if (gst_tag_list_get_uint_index (list, corr[idx].corr_count, 0, &count))
tag_str = g_strdup_printf ("%u/%u", number, count);
else
tag_str = g_strdup_printf ("%u", number);
GST_DEBUG ("Setting %s to %s (frame_id = %s)", tag, tag_str, frame_id);
frame = new ID3v2::TextIdentificationFrame (frame_id, String::UTF8);
id3v2tag->addFrame (frame);
frame->setText (tag_str);
g_free (tag_str);
}
} else if (corr[idx].corr_count == NULL) {
guint count;
/* count tag */
if (gst_tag_list_get_uint_index (list, corr[idx].corr_num, 0, &count)) {
GST_DEBUG ("%s handled with %s, skipping", tag, corr[idx].corr_num);
} else if (gst_tag_list_get_uint_index (list, tag, 0, &count)) {
ID3v2::TextIdentificationFrame * frame;
gchar *tag_str;
tag_str = g_strdup_printf ("0/%u", count);
GST_DEBUG ("Setting %s to %s (frame_id = %s)", tag, tag_str, frame_id);
frame = new ID3v2::TextIdentificationFrame (frame_id, String::UTF8);
id3v2tag->addFrame (frame);
frame->setText (tag_str);
g_free (tag_str);
}
}
if (num_tags > 1) {
GST_WARNING ("more than one %s, can only handle one", tag);
}
}
static void
add_unique_file_id_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * unused)
{
const gchar *origin = "http://musicbrainz.org";
gchar *id_str = NULL;
if (gst_tag_list_get_string_index (list, tag, 0, &id_str) && id_str) {
ID3v2::UniqueFileIdentifierFrame * frame;
GST_LOG ("Adding %s (%s): %s", tag, origin, id_str);
frame = new ID3v2::UniqueFileIdentifierFrame (origin, id_str);
id3v2tag->addFrame (frame);
g_free (id_str);
}
}
static void
add_musicbrainz_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * data)
{
static const struct
{
const gchar gst_tag[28];
const gchar spec_id[28];
const gchar realworld_id[28];
} mb_ids[] = {
{
GST_TAG_MUSICBRAINZ_ARTISTID, "MusicBrainz Artist Id",
"musicbrainz_artistid"}, {
GST_TAG_MUSICBRAINZ_ALBUMID, "MusicBrainz Album Id", "musicbrainz_albumid"}, {
GST_TAG_MUSICBRAINZ_ALBUMARTISTID, "MusicBrainz Album Artist Id",
"musicbrainz_albumartistid"}, {
GST_TAG_MUSICBRAINZ_TRMID, "MusicBrainz TRM Id", "musicbrainz_trmid"}
};
guint i, idx;
idx = (guint8) data[0];
g_assert (idx < G_N_ELEMENTS (mb_ids));
for (i = 0; i < num_tags; ++i) {
ID3v2::UserTextIdentificationFrame * frame;
gchar *id_str;
if (gst_tag_list_get_string_index (list, tag, 0, &id_str) && id_str) {
GST_DEBUG ("Setting '%s' to '%s'", mb_ids[idx].spec_id, id_str);
/* add two frames, one with the ID the musicbrainz.org spec mentions
* and one with the ID that applications use in the real world */
frame = new ID3v2::UserTextIdentificationFrame (String::Latin1);
id3v2tag->addFrame (frame);
frame->setDescription (mb_ids[idx].spec_id);
frame->setText (id_str);
frame = new ID3v2::UserTextIdentificationFrame (String::Latin1);
id3v2tag->addFrame (frame);
frame->setDescription (mb_ids[idx].realworld_id);
frame->setText (id_str);
g_free (id_str);
}
} else if (strcmp (tag, GST_TAG_IMAGE) == 0) {
}
}
static void
add_id3v2frame_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * frame_id)
{
ID3v2::FrameFactory * factory = ID3v2::FrameFactory::instance ();
guint i;
for (i = 0; i < num_tags; ++i) {
ID3v2::Frame * frame;
const GValue *val;
GstBuffer *buf;
val = gst_tag_list_get_value_index (list, tag, i);
buf = (GstBuffer *) gst_value_get_mini_object (val);
if (buf && GST_BUFFER_CAPS (buf)) {
GstStructure *s;
gint version = 0;
s = gst_caps_get_structure (GST_BUFFER_CAPS (buf), 0);
if (s && gst_structure_get_int (s, "version", &version) && version > 0) {
ByteVector bytes ((char *) GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf));
GST_DEBUG ("Injecting ID3v2.%u frame %u/%u of length %u and type %"
GST_PTR_FORMAT, version, i, num_tags, GST_BUFFER_SIZE (buf), s);
frame = factory->createFrame (bytes, (TagLib::uint) version);
id3v2tag->addFrame (frame);
}
}
}
}
static void
add_image_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * unused)
{
guint n;
for (n = 0; n < num_tags; ++n) {
const GValue *val;
GstBuffer *image;
GST_LOG ("image tag");
val = gst_tag_list_get_value_index (list, tag, 0);
GST_DEBUG ("image %u/%u", n + 1, num_tags);
val = gst_tag_list_get_value_index (list, tag, n);
image = (GstBuffer *) gst_value_get_mini_object (val);
if (GST_IS_BUFFER (image) && GST_BUFFER_SIZE (image) > 0 &&
GST_BUFFER_CAPS (image) != NULL &&
!gst_caps_is_empty (GST_BUFFER_CAPS (image))) {
@ -439,15 +430,107 @@ add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
desc = gst_structure_get_string (s, "image-description");
frame->setDescription ((desc) ? desc : "");
/* FIXME */
frame->setType (ID3v2::AttachedPictureFrame::Other);
/* FIXME set image type properly from caps */
if (strcmp (tag, GST_TAG_PREVIEW_IMAGE) == 0) {
frame->setType (ID3v2::AttachedPictureFrame::FileIcon);
} else {
frame->setType (ID3v2::AttachedPictureFrame::Other);
}
}
} else {
GST_WARNING ("NULL image or no caps on image buffer (%p, caps=%"
GST_PTR_FORMAT ")", image, (image) ? GST_BUFFER_CAPS (image) : NULL);
}
}
}
static void
add_text_tag (ID3v2::Tag * id3v2tag, const GstTagList * list,
const gchar * tag, guint num_tags, const gchar * frame_id)
{
ID3v2::TextIdentificationFrame * f;
TagLib::StringList string_list;
guint n;
GST_LOG ("Adding '%s' frame", frame_id);
for (n = 0; n < num_tags; ++n) {
gchar *s = NULL;
if (gst_tag_list_get_string_index (list, tag, n, &s) && s != NULL) {
GST_LOG ("%s: %s[%u] = '%s'", frame_id, tag, n, s);
string_list.append (String (s, String::UTF8));
g_free (s);
}
}
if (!string_list.isEmpty ()) {
f = new ID3v2::TextIdentificationFrame (frame_id, String::UTF8);
id3v2tag->addFrame (f);
f->setText (string_list);
} else {
GST_WARNING ("Unsupported tag: %s", tag);
GST_WARNING ("Empty list for tag %s, skipping", tag);
}
}
/* id3demux produces these for frames it cannot parse */
#define GST_ID3_DEMUX_TAG_ID3V2_FRAME "private-id3v2-frame"
static const struct
{
const gchar *gst_tag;
const GstId3v2MuxAddTagFunc func;
const gchar data[5];
} add_funcs[] = {
{
GST_TAG_ARTIST, add_text_tag, "TPE1"}, {
GST_TAG_TITLE, add_text_tag, "TIT2"}, {
GST_TAG_ALBUM, add_text_tag, "TALB"}, {
GST_TAG_COMMENT, add_text_tag, "TCOM"}, {
GST_TAG_COPYRIGHT, add_text_tag, "TCOP"}, {
GST_TAG_GENRE, add_text_tag, "TCON"}, {
GST_TAG_DATE, add_date_tag, ""}, {
GST_TAG_IMAGE, add_image_tag, ""}, {
GST_TAG_PREVIEW_IMAGE, add_image_tag, ""}, {
GST_ID3_DEMUX_TAG_ID3V2_FRAME, add_id3v2frame_tag, ""}, {
GST_TAG_MUSICBRAINZ_ARTISTID, add_musicbrainz_tag, "\000"}, {
GST_TAG_MUSICBRAINZ_ALBUMID, add_musicbrainz_tag, "\001"}, {
GST_TAG_MUSICBRAINZ_ALBUMARTISTID, add_musicbrainz_tag, "\002"}, {
GST_TAG_MUSICBRAINZ_TRMID, add_musicbrainz_tag, "\003"}, {
GST_TAG_MUSICBRAINZ_TRACKID, add_unique_file_id_tag, ""}, {
GST_TAG_TRACK_NUMBER, add_count_or_num_tag, "TRCK"}, {
GST_TAG_TRACK_COUNT, add_count_or_num_tag, "TRCK"}, {
GST_TAG_ALBUM_VOLUME_NUMBER, add_count_or_num_tag, "TPOS"}, {
GST_TAG_ALBUM_VOLUME_COUNT, add_count_or_num_tag, "TPOS"}, {
GST_TAG_ENCODER, add_encoder_tag, ""}, {
GST_TAG_ENCODER_VERSION, add_encoder_tag, ""}
};
static void
foreach_add_tag (const GstTagList * list, const gchar * tag, gpointer userdata)
{
ID3v2::Tag * id3v2tag = (ID3v2::Tag *) userdata;
TagLib::StringList string_list;
guint num_tags, i;
num_tags = gst_tag_list_get_tag_size (list, tag);
GST_LOG ("Processing tag %s (num=%u)", tag, num_tags);
if (num_tags > 1 && gst_tag_is_fixed (tag)) {
GST_WARNING ("Multiple occurences of fixed tag '%s', ignoring some", tag);
num_tags = 1;
}
for (i = 0; i < G_N_ELEMENTS (add_funcs); ++i) {
if (strcmp (add_funcs[i].gst_tag, tag) == 0) {
add_funcs[i].func (id3v2tag, list, tag, num_tags, add_funcs[i].data);
break;
}
}
if (i == G_N_ELEMENTS (add_funcs)) {
GST_WARNING ("Unsupported tag '%s' - not written", tag);
}
}
@ -464,7 +547,7 @@ gst_id3v2_mux_render_tag (GstTagLibMux * mux, GstTagList * taglist)
setDefaultTextEncoding (TagLib::String::UTF8);
/* Render the tag */
gst_tag_list_foreach (taglist, add_one_tag, &id3v2tag);
gst_tag_list_foreach (taglist, foreach_add_tag, &id3v2tag);
#if 0
/* Do we want to add our own signature to the tag somewhere? */