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);
}
void Discoverer::fillTags(const GstTagList *tags, const gchar *tag, gpointer args)
{
GValue val = { 0, };
Metadata *meta = (Metadata *)args;
gst_tag_list_copy_value(&val, tags, tag);
meta->addTag(tag, convert(val));
g_value_unset(&val);
}
static gboolean
bus_callback (GstBus * bus, GstMessage * message, gpointer data)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_WARNING:{
GError *err;
gchar *debug;
gst_message_parse_warning (message, &err, &debug);
g_print ("Warning: %s\n", err->message);
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_ERROR:{
GError *err;
gchar *debug = NULL;
gst_message_parse_error (message, &err, &debug);
g_print ("Error: %s : %s\n", err->message, debug);
g_error_free (err);
g_free (debug);
gtk_main_quit ();
break;
}
case GST_MESSAGE_TAG:{
GstTagList *tags;
GValue v = { 0, };
g_print ("Got tags\n");
gst_message_parse_tag (message, &tags);
if (gst_tag_list_copy_value (&v, tags, "mxf-structure")) {
const GstStructure *s;
GtkTreeIter iter;
s = gst_value_get_structure (&v);
gtk_tree_store_append (treestore, &iter, NULL);
insert_structure (s, &iter);
gtk_widget_show_all (window);
g_value_unset (&v);
}
gst_tag_list_unref (tags);
break;
}
default:
break;
}
return TRUE;
}
/* Print a tag in a human-readable format (name: value) */
void print_tag_foreach (const GstTagList *tags, const gchar *tag, gpointer user_data) {
GValue val = { 0 };
gchar *str;
gint depth = GPOINTER_TO_INT (user_data);
gst_tag_list_copy_value (&val, tags, tag);
if (G_VALUE_HOLDS_STRING (&val))
str = g_value_dup_string (&val);
else
str = gst_value_serialize (&val);
g_print ("%*s%s: %s\n", 2 * depth, " ", gst_tag_get_nick (tag), str);
g_free (str);
g_value_unset (&val);
}
EXPORT_C
#endif
gboolean
gst_tag_list_get_date (const GstTagList * list, const gchar * tag,
GDate ** value)
{
GValue v = { 0, };
g_return_val_if_fail (GST_IS_TAG_LIST (list), FALSE);
g_return_val_if_fail (tag != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
if (!gst_tag_list_copy_value (&v, list, tag))
return FALSE;
*value = (GDate *) g_value_dup_boxed (&v);
g_value_unset (&v);
return (*value != NULL);
}
static void
print_tag_foreach (const GstTagList * tags, const gchar * tag,
gpointer user_data)
{
GValue val = { 0, };
gchar *str;
guint depth = GPOINTER_TO_UINT (user_data);
if (!gst_tag_list_copy_value (&val, tags, tag))
return;
if (G_VALUE_HOLDS_STRING (&val)) {
str = g_value_dup_string (&val);
} else if (G_VALUE_TYPE (&val) == GST_TYPE_SAMPLE) {
GstSample *sample = gst_value_get_sample (&val);
GstBuffer *img = gst_sample_get_buffer (sample);
GstCaps *caps = gst_sample_get_caps (sample);
if (img) {
if (caps) {
gchar *caps_str;
caps_str = gst_caps_to_string (caps);
str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes, "
"type: %s", gst_buffer_get_size (img), caps_str);
g_free (caps_str);
} else {
str = g_strdup_printf ("buffer of %" G_GSIZE_FORMAT " bytes",
gst_buffer_get_size (img));
}
} else {
str = g_strdup ("NULL buffer");
}
} else {
str = gst_value_serialize (&val);
}
g_print ("%*s%s: %s\n", 2 * depth, " ", gst_tag_get_nick (tag), str);
g_free (str);
g_value_unset (&val);
}
void collect_tags(const GstTagList * list,const gchar * tag,gpointer user_data)
{
GValue original_value={0};
if (gst_tag_list_copy_value(&original_value,list,tag))
{
GValue string_value={0};
g_value_init(&string_value,G_TYPE_STRING);
if (g_value_transform(&original_value,&string_value))
{
const gchar * value=g_value_get_string(&string_value);
if (value)
{
tp_media_player_tag_found((TPMediaPlayer*)user_data,tag,value);
}
}
g_value_unset(&string_value);
}
g_value_unset(&original_value);
}
static void
on_message (GstBus * bus, GstMessage * message, gpointer data)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_WARNING:
case GST_MESSAGE_ERROR:
g_error ("Got error");
gtk_main_quit ();
break;
case GST_MESSAGE_TAG:{
GstTagList *tags;
GValue v = { 0, };
g_print ("Got tags\n");
gst_message_parse_tag (message, &tags);
if (gst_tag_list_copy_value (&v, tags, "mxf-structure")) {
const GstStructure *s;
GtkTreeIter iter;
s = gst_value_get_structure (&v);
gtk_tree_store_append (treestore, &iter, NULL);
insert_structure (s, &iter);
gtk_widget_show_all (window);
g_value_unset (&v);
}
gst_tag_list_free (tags);
break;
}
default:
break;
}
}
static gboolean
metadataparse_handle_unit_tags (ExifEntry * entry, MEUserData * meudata,
const ExifByteOrder byte_order)
{
gboolean ret = TRUE;
/* FIXME: Cast to gint because EXIF_TAG_GPS_ALTITUDE_REF
* and EXIF_TAG_GPS_LONGITUDE_REF are not part of ExifTag
* and gcc warns about this
*/
switch ((gint) entry->tag) {
case EXIF_TAG_RESOLUTION_UNIT:
meudata->resolution_unit = exif_get_short (entry->data, byte_order);
if (meudata->resolution_unit == 3) {
/* if [xy]resolution has alredy been add in cm, replace it in inches */
GValue cm = { 0, };
GValue inch = { 0, };
GValue factor = { 0, };
g_value_init (&factor, GST_TYPE_FRACTION);
gst_value_set_fraction (&factor, 2, 5);
if (gst_tag_list_copy_value (&cm, meudata->taglist,
GST_TAG_IMAGE_XRESOLUTION)) {
g_value_init (&inch, GST_TYPE_FRACTION);
gst_tag_list_add_value (meudata->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_IMAGE_XRESOLUTION, &inch);
g_value_unset (&inch);
g_value_unset (&cm);
}
if (gst_tag_list_copy_value (&cm, meudata->taglist,
GST_TAG_IMAGE_YRESOLUTION)) {
g_value_init (&inch, GST_TYPE_FRACTION);
gst_tag_list_add_value (meudata->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_IMAGE_YRESOLUTION, &inch);
g_value_unset (&inch);
g_value_unset (&cm);
}
g_value_unset (&factor);
}
break;
case EXIF_TAG_GPS_ALTITUDE_REF:
{
gdouble value;
meudata->altitude_ref = entry->data[0];
if (gst_tag_list_get_double (meudata->taglist,
GST_TAG_GEO_LOCATION_ELEVATION, &value)) {
GST_DEBUG ("alt-ref: %d", meudata->altitude_ref);
if (((meudata->altitude_ref == 1) && (value > 0.0)) ||
((meudata->altitude_ref == 0) && (value < 0.0))) {
gst_tag_list_add (meudata->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_GEO_LOCATION_ELEVATION, -value, NULL);
}
}
}
break;
case EXIF_TAG_GPS_LATITUDE_REF:
{
gdouble value;
meudata->latitude_ref = entry->data[0];
if (gst_tag_list_get_double (meudata->taglist,
GST_TAG_GEO_LOCATION_LATITUDE, &value)) {
GST_DEBUG ("lat-ref: %c", meudata->latitude_ref);
if (((meudata->latitude_ref == 'S') && (value > 0.0)) ||
((meudata->latitude_ref == 'N') && (value < 0.0))) {
gst_tag_list_add (meudata->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_GEO_LOCATION_LATITUDE, -value, NULL);
}
}
}
break;
case EXIF_TAG_GPS_LONGITUDE_REF:
{
gdouble value;
meudata->longitude_ref = entry->data[0];
if (gst_tag_list_get_double (meudata->taglist,
GST_TAG_GEO_LOCATION_LONGITUDE, &value)) {
GST_DEBUG ("lon-ref: %c", meudata->longitude_ref);
if (((meudata->longitude_ref == 'W') && (value > 0.0)) ||
((meudata->longitude_ref == 'E') && (value < 0.0))) {
gst_tag_list_add (meudata->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_GEO_LOCATION_LONGITUDE, -value, NULL);
}
}
}
break;
default:
ret = FALSE;
break;
}
return ret;
}
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;
}
