static void addTagToMap(const GstTagList *list,
const gchar *tag,
gpointer user_data)
{
QMap<QByteArray, QVariant> *map = reinterpret_cast<QMap<QByteArray, QVariant>* >(user_data);
GValue val;
val.g_type = 0;
gst_tag_list_copy_value(&val,list,tag);
switch( G_VALUE_TYPE(&val) ) {
case G_TYPE_STRING:
{
const gchar *str_value = g_value_get_string(&val);
map->insert(QByteArray(tag), QString::fromUtf8(str_value));
break;
}
case G_TYPE_INT:
map->insert(QByteArray(tag), g_value_get_int(&val));
break;
case G_TYPE_UINT:
map->insert(QByteArray(tag), g_value_get_uint(&val));
break;
case G_TYPE_LONG:
map->insert(QByteArray(tag), qint64(g_value_get_long(&val)));
break;
case G_TYPE_BOOLEAN:
map->insert(QByteArray(tag), g_value_get_boolean(&val));
break;
case G_TYPE_CHAR:
map->insert(QByteArray(tag), g_value_get_char(&val));
break;
case G_TYPE_DOUBLE:
map->insert(QByteArray(tag), g_value_get_double(&val));
break;
default:
// GST_TYPE_DATE is a function, not a constant, so pull it out of the switch
if (G_VALUE_TYPE(&val) == GST_TYPE_DATE) {
const GDate *date = gst_value_get_date(&val);
if (g_date_valid(date)) {
int year = g_date_get_year(date);
int month = g_date_get_month(date);
int day = g_date_get_day(date);
map->insert(QByteArray(tag), QDate(year,month,day));
if (!map->contains("year"))
map->insert("year", year);
}
} else if (G_VALUE_TYPE(&val) == GST_TYPE_FRACTION) {
int nom = gst_value_get_fraction_numerator(&val);
int denom = gst_value_get_fraction_denominator(&val);
if (denom > 0) {
map->insert(QByteArray(tag), double(nom)/denom);
}
}
break;
}
g_value_unset(&val);
}
static void
gst_date_gulong_transform (const GValue *src, GValue *dest)
{
const GDate *date = gst_value_get_date (src);
g_value_set_ulong (dest, (date) ? g_date_get_julian (date) : 0);
}
static char *
gst_value_serialize_xmp (const GValue * value)
{
switch (G_VALUE_TYPE (value)) {
case G_TYPE_STRING:
return g_markup_escape_text (g_value_get_string (value), -1);
case G_TYPE_INT:
return g_strdup_printf ("%d", g_value_get_int (value));
case G_TYPE_UINT:
return g_strdup_printf ("%u", g_value_get_uint (value));
default:
break;
}
/* put non-switchable types here */
if (G_VALUE_TYPE (value) == GST_TYPE_DATE) {
const GDate *date = gst_value_get_date (value);
return g_strdup_printf ("%04d-%02d-%02d",
(gint) g_date_get_year (date), (gint) g_date_get_month (date),
(gint) g_date_get_day (date));
} else {
return NULL;
}
}
QT_BEGIN_NAMESPACE
//internal
static void addTagToMap(const GstTagList *list,
const gchar *tag,
gpointer user_data)
{
QMap<QByteArray, QVariant> *map = reinterpret_cast<QMap<QByteArray, QVariant>* >(user_data);
GValue val;
val.g_type = 0;
gst_tag_list_copy_value(&val,list,tag);
switch( G_VALUE_TYPE(&val) ) {
case G_TYPE_STRING:
{
const gchar *str_value = g_value_get_string(&val);
map->insert(QByteArray(tag), QString::fromUtf8(str_value));
break;
}
case G_TYPE_INT:
map->insert(QByteArray(tag), g_value_get_int(&val));
break;
case G_TYPE_UINT:
map->insert(QByteArray(tag), g_value_get_uint(&val));
break;
case G_TYPE_LONG:
map->insert(QByteArray(tag), qint64(g_value_get_long(&val)));
break;
case G_TYPE_BOOLEAN:
map->insert(QByteArray(tag), g_value_get_boolean(&val));
break;
case G_TYPE_CHAR:
#if GLIB_CHECK_VERSION(2,32,0)
map->insert(QByteArray(tag), g_value_get_schar(&val));
#else
map->insert(QByteArray(tag), g_value_get_char(&val));
#endif
break;
case G_TYPE_DOUBLE:
map->insert(QByteArray(tag), g_value_get_double(&val));
break;
default:
// GST_TYPE_DATE is a function, not a constant, so pull it out of the switch
#if GST_CHECK_VERSION(1,0,0)
if (G_VALUE_TYPE(&val) == G_TYPE_DATE) {
const GDate *date = (const GDate *)g_value_get_boxed(&val);
#else
if (G_VALUE_TYPE(&val) == GST_TYPE_DATE) {
const GDate *date = gst_value_get_date(&val);
#endif
if (g_date_valid(date)) {
int year = g_date_get_year(date);
int month = g_date_get_month(date);
int day = g_date_get_day(date);
map->insert(QByteArray(tag), QDate(year,month,day));
if (!map->contains("year"))
map->insert("year", year);
}
} else if (G_VALUE_TYPE(&val) == GST_TYPE_FRACTION) {
int nom = gst_value_get_fraction_numerator(&val);
int denom = gst_value_get_fraction_denominator(&val);
if (denom > 0) {
map->insert(QByteArray(tag), double(nom)/denom);
}
}
break;
}
g_value_unset(&val);
}
/*!
Convert GstTagList structure to QMap<QByteArray, QVariant>.
Mapping to int, bool, char, string, fractions and date are supported.
Fraction values are converted to doubles.
*/
QMap<QByteArray, QVariant> QGstUtils::gstTagListToMap(const GstTagList *tags)
{
QMap<QByteArray, QVariant> res;
gst_tag_list_foreach(tags, addTagToMap, &res);
return res;
}
