static void
gst_wavparse_tags_foreach (const GstTagList * tags, const gchar * tag,
gpointer data)
{
const struct
{
guint32 fcc;
const gchar *tag;
} rifftags[] = {
{
GST_RIFF_INFO_IARL, GST_TAG_LOCATION}, {
GST_RIFF_INFO_IART, GST_TAG_ARTIST}, {
GST_RIFF_INFO_ICMT, GST_TAG_COMMENT}, {
GST_RIFF_INFO_ICOP, GST_TAG_COPYRIGHT}, {
GST_RIFF_INFO_ICRD, GST_TAG_DATE}, {
GST_RIFF_INFO_IGNR, GST_TAG_GENRE}, {
GST_RIFF_INFO_IKEY, GST_TAG_KEYWORDS}, {
GST_RIFF_INFO_INAM, GST_TAG_TITLE}, {
GST_RIFF_INFO_IPRD, GST_TAG_ALBUM}, {
GST_RIFF_INFO_ISBJ, GST_TAG_ALBUM_ARTIST}, {
GST_RIFF_INFO_ISFT, GST_TAG_ENCODER}, {
GST_RIFF_INFO_ISRC, GST_TAG_ISRC}, {
0, NULL}
};
gint n;
gchar *str = NULL;
GstByteWriter *bw = data;
for (n = 0; rifftags[n].fcc != 0; n++) {
if (!strcmp (rifftags[n].tag, tag)) {
if (rifftags[n].fcc == GST_RIFF_INFO_ICRD) {
GDate *date;
/* special case for the date tag */
if (gst_tag_list_get_date (tags, tag, &date)) {
str =
g_strdup_printf ("%04d:%02d:%02d", g_date_get_year (date),
g_date_get_month (date), g_date_get_day (date));
g_date_free (date);
}
} else {
gst_tag_list_get_string (tags, tag, &str);
}
if (str) {
gst_byte_writer_put_uint32_le (bw, rifftags[n].fcc);
gst_byte_writer_put_uint32_le (bw, GST_ROUND_UP_2 (strlen (str)));
gst_byte_writer_put_string (bw, str);
g_free (str);
str = NULL;
break;
}
}
}
}
static void
write_exif_ascii_tag (GstExifWriter * writer, guint16 tag, const gchar * str)
{
gint size;
guint32 offset;
size = strlen (str) + 1;
if (size > 4) {
/* we only use the data offset here, later we add up the
* resulting tag headers offset and the base offset */
offset = gst_byte_writer_get_size (&writer->datawriter);
gst_exif_writer_write_tag_header (writer, tag, EXIF_TYPE_ASCII,
size, offset, FALSE);
gst_byte_writer_put_string (&writer->datawriter, str);
} else {
/* small enough to go in the offset */
memcpy ((guint8 *) & offset, str, size);
gst_exif_writer_write_tag_header (writer, tag, EXIF_TYPE_ASCII,
size, offset, TRUE);
}
}
