EXPORT_C
#endif
GstPluginFeature *
gst_plugin_feature_load (GstPluginFeature * feature)
{
GstPlugin *plugin;
GstPluginFeature *real_feature;
g_return_val_if_fail (feature != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLUGIN_FEATURE (feature), FALSE);
GST_DEBUG ("loading plugin for feature %p; '%s'", feature,
GST_PLUGIN_FEATURE_NAME (feature));
if (feature->loaded)
return gst_object_ref (feature);
GST_DEBUG ("loading plugin %s", feature->plugin_name);
plugin = gst_plugin_load_by_name (feature->plugin_name);
if (!plugin)
goto load_failed;
GST_DEBUG ("loaded plugin %s", feature->plugin_name);
gst_object_unref (plugin);
real_feature =
gst_registry_lookup_feature (gst_registry_get_default (), feature->name);
if (real_feature == NULL)
goto disappeared;
else if (!real_feature->loaded)
goto not_found;
return real_feature;
/* ERRORS */
load_failed:
{
GST_WARNING ("Failed to load plugin containing feature '%s'.",
GST_PLUGIN_FEATURE_NAME (feature));
return NULL;
}
disappeared:
{
GST_INFO
("Loaded plugin containing feature '%s', but feature disappeared.",
feature->name);
return NULL;
}
not_found:
{
GST_INFO ("Tried to load plugin containing feature '%s', but feature was "
"not found.", real_feature->name);
return NULL;
}
}
static gint
type_find_factory_rank_cmp (gconstpointer fac1, gconstpointer fac2)
{
if (GST_PLUGIN_FEATURE (fac1)->rank != GST_PLUGIN_FEATURE (fac2)->rank)
return GST_PLUGIN_FEATURE (fac2)->rank - GST_PLUGIN_FEATURE (fac1)->rank;
/* to make the order in which things happen more deterministic,
* sort by name when the ranks are the same. */
return strcmp (GST_PLUGIN_FEATURE_NAME (fac1),
GST_PLUGIN_FEATURE_NAME (fac2));
}
static gint
element_factory_rank_compare_func (gconstpointer a, gconstpointer b)
{
gint rank_a = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (a));
gint rank_b = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (b));
/* make order chosen in the end more determinable */
if (rank_a == rank_b) {
const gchar *name_a = GST_PLUGIN_FEATURE_NAME (GST_PLUGIN_FEATURE (a));
const gchar *name_b = GST_PLUGIN_FEATURE_NAME (GST_PLUGIN_FEATURE (b));
return g_ascii_strcasecmp (name_a, name_b);
}
return rank_b - rank_a;
}
/* Method: to_s
* Returns: a String representing the factory.
*/
static VALUE
rg_to_s (VALUE self)
{
GstIndexFactory *factory = RGST_INDEX_FACTORY (self);
return rb_str_new_with_format ("Index: %s (%s)",
GST_PLUGIN_FEATURE_NAME (factory),
factory->longdesc);
}
static VALUE
rb_gst_elementfactory_to_s (VALUE self)
{
GstElementFactory *factory = RGST_ELEMENT_FACTORY (self);
return rb_str_new_with_format ("Element: %s (%s)",
GST_PLUGIN_FEATURE_NAME(factory),
factory->details.longname);
}
/**
* gst_plugin_feature_type_name_filter:
* @feature: the #GstPluginFeature
* @data: the type and name to check against
*
* Compares type and name of plugin feature. Can be used with gst_filter_run().
*
* Returns: TRUE if equal.
*/
gboolean
gst_plugin_feature_type_name_filter (GstPluginFeature * feature,
GstTypeNameData * data)
{
return ((data->type == 0 || data->type == G_OBJECT_TYPE (feature)) &&
(data->name == NULL
|| !strcmp (data->name, GST_PLUGIN_FEATURE_NAME (feature))));
}
static guint64
helper_find_get_length (gpointer data)
{
GstTypeFindHelper *helper = (GstTypeFindHelper *) data;
GST_LOG_OBJECT (helper->obj, "'%s' called get_length, returning %"
G_GUINT64_FORMAT, GST_PLUGIN_FEATURE_NAME (helper->factory),
helper->size);
return helper->size;
}
static void
gst_plugin_feature_finalize (GObject * object)
{
GstPluginFeature *feature = GST_PLUGIN_FEATURE_CAST (object);
GST_DEBUG ("finalizing feature %p: '%s'", feature,
GST_PLUGIN_FEATURE_NAME (feature));
g_free (feature->name);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/*
* buf_helper_find_peek:
* @data: helper data struct
* @off: stream offset
* @size: block size
*
* Get data pointer within a buffer.
*
* Returns: address inside the buffer or %NULL if buffer does not cover the
* requested range.
*/
static guint8 *
buf_helper_find_peek (gpointer data, gint64 off, guint size)
{
GstTypeFindBufHelper *helper;
helper = (GstTypeFindBufHelper *) data;
GST_LOG_OBJECT (helper->obj, "'%s' called peek (%" G_GINT64_FORMAT ", %u)",
GST_PLUGIN_FEATURE_NAME (helper->factory), off, size);
if (size == 0)
return NULL;
if (off < 0) {
GST_LOG_OBJECT (helper->obj, "'%s' wanted to peek at end; not supported",
GST_PLUGIN_FEATURE_NAME (helper->factory));
return NULL;
}
if ((off + size) <= helper->size)
return helper->data + off;
return NULL;
}
EffectManager::EffectManager(Backend *backend)
: QObject(backend)
, m_backend(backend)
{
GList* factoryList = gst_registry_get_feature_list(gst_registry_get_default (), GST_TYPE_ELEMENT_FACTORY);
QString name, klass, description, author;
for (GList* iter = g_list_first(factoryList) ; iter != NULL ; iter = g_list_next(iter)) {
GstPluginFeature *feature = GST_PLUGIN_FEATURE(iter->data);
klass = gst_element_factory_get_klass(GST_ELEMENT_FACTORY(feature));
if ( klass == "Filter/Effect/Audio" ) {
name = GST_PLUGIN_FEATURE_NAME(feature);
// These plugins simply make no sense to the frontend:
// "audiorate" Should be internal
// "volume" not needed
// "equalizer-nbands" not really useful at the moment
// These plugins simply don't work or have major stability issues:
// "iir" Does not seem to do much at the moment
// "audioinvert" Only works for some streams, should be invesigated
// "lpwsinc" Crashes for large values of filter kernel
// "name" Crashes for large values of filter kernel
// Seems to be working, but not well tested:
// name == "rglimiter" Seems functional
// name == "rgvolume" Seems to be working
QString pluginString = qgetenv("PHONON_GST_ALL_EFFECTS");
bool acceptAll = pluginString.toInt();
if (acceptAll
// Plugins that have been accepted so far
|| name == "audiopanorama"
|| name == "audioamplify"
|| name == "audiodynamic"
|| name == "equalizer-10bands"
|| name == "speed")
{
description = gst_element_factory_get_description (GST_ELEMENT_FACTORY(feature));
author = gst_element_factory_get_author (GST_ELEMENT_FACTORY(feature));
EffectInfo *effect = new EffectInfo(name, description, author);
m_audioEffectList.append(effect);
}
}
}
g_list_free(factoryList);
}
/*
* helper_find_suggest:
* @data: helper data struct
* @probability: probability of the match
* @caps: caps of the type
*
* If given @probability is higher, replace previously store caps.
*/
static void
helper_find_suggest (gpointer data, guint probability, const GstCaps * caps)
{
GstTypeFindHelper *helper = (GstTypeFindHelper *) data;
GST_LOG_OBJECT (helper->obj,
"'%s' called called suggest (%u, %" GST_PTR_FORMAT ")",
GST_PLUGIN_FEATURE_NAME (helper->factory), probability, caps);
if (probability > helper->best_probability) {
GstCaps *copy = gst_caps_copy (caps);
gst_caps_replace (&helper->caps, copy);
gst_caps_unref (copy);
helper->best_probability = probability;
}
}
/*
* buf_helper_find_suggest:
* @data: helper data struct
* @probability: probability of the match
* @caps: caps of the type
*
* If given @probability is higher, replace previously store caps.
*/
static void
buf_helper_find_suggest (gpointer data, guint probability, const GstCaps * caps)
{
GstTypeFindBufHelper *helper = (GstTypeFindBufHelper *) data;
GST_LOG_OBJECT (helper->obj,
"'%s' called called suggest (%u, %" GST_PTR_FORMAT ")",
GST_PLUGIN_FEATURE_NAME (helper->factory), probability, caps);
/* Note: not >= as we call typefinders in order of rank, highest first */
if (probability > helper->best_probability) {
GstCaps *copy = gst_caps_copy (caps);
gst_caps_replace (&helper->caps, copy);
gst_caps_unref (copy);
helper->best_probability = probability;
}
}
/**
* gst_type_find_helper_get_range_ext:
* @obj: A #GstObject that will be passed as first argument to @func
* @func: (scope call): A generic #GstTypeFindHelperGetRangeFunction that will
* be used to access data at random offsets when doing the typefinding
* @size: The length in bytes
* @extension: extension of the media
* @prob: (out) (allow-none): location to store the probability of the found
* caps, or #NULL
*
* Utility function to do pull-based typefinding. Unlike gst_type_find_helper()
* however, this function will use the specified function @func to obtain the
* data needed by the typefind functions, rather than operating on a given
* source pad. This is useful mostly for elements like tag demuxers which
* strip off data at the beginning and/or end of a file and want to typefind
* the stripped data stream before adding their own source pad (the specified
* callback can then call the upstream peer pad with offsets adjusted for the
* tag size, for example).
*
* When @extension is not NULL, this function will first try the typefind
* functions for the given extension, which might speed up the typefinding
* in many cases.
*
* Free-function: gst_caps_unref
*
* Returns: (transfer full): the #GstCaps corresponding to the data stream.
* Returns #NULL if no #GstCaps matches the data stream.
*
* Since: 0.10.26
*/
GstCaps *
gst_type_find_helper_get_range_ext (GstObject * obj,
GstTypeFindHelperGetRangeFunction func, guint64 size,
const gchar * extension, GstTypeFindProbability * prob)
{
GstTypeFindHelper helper;
GstTypeFind find;
GSList *walk;
GList *l, *type_list;
GstCaps *result = NULL;
gint pos = 0;
g_return_val_if_fail (GST_IS_OBJECT (obj), NULL);
g_return_val_if_fail (func != NULL, NULL);
helper.buffers = NULL;
helper.size = size;
helper.last_offset = 0;
helper.func = func;
helper.best_probability = GST_TYPE_FIND_NONE;
helper.caps = NULL;
helper.obj = obj;
find.data = &helper;
find.peek = helper_find_peek;
find.suggest = helper_find_suggest;
if (size == 0 || size == (guint64) - 1) {
find.get_length = NULL;
} else {
find.get_length = helper_find_get_length;
}
type_list = gst_type_find_factory_get_list ();
/* move the typefinders for the extension first in the list. The idea is that
* when one of them returns MAX we don't need to search further as there is a
* very high chance we got the right type. */
if (extension) {
GList *next;
GST_LOG_OBJECT (obj, "sorting typefind for extension %s to head",
extension);
for (l = type_list; l; l = next) {
GstTypeFindFactory *factory;
gint i;
gchar **ext;
next = l->next;
factory = GST_TYPE_FIND_FACTORY (l->data);
ext = gst_type_find_factory_get_extensions (factory);
if (ext == NULL)
continue;
GST_LOG_OBJECT (obj, "testing factory %s for extension %s",
GST_PLUGIN_FEATURE_NAME (factory), extension);
for (i = 0; ext[i]; i++) {
if (strcmp (ext[i], extension) == 0) {
/* found extension, move in front */
GST_LOG_OBJECT (obj, "moving typefind for extension %s to head",
extension);
/* remove entry from list */
type_list = g_list_delete_link (type_list, l);
/* insert at the position */
type_list = g_list_insert (type_list, factory, pos);
/* next element will be inserted after this one */
pos++;
break;
}
}
}
}
for (l = type_list; l; l = l->next) {
helper.factory = GST_TYPE_FIND_FACTORY (l->data);
gst_type_find_factory_call_function (helper.factory, &find);
if (helper.best_probability >= GST_TYPE_FIND_MAXIMUM)
break;
}
gst_plugin_feature_list_free (type_list);
for (walk = helper.buffers; walk; walk = walk->next)
gst_buffer_unref (GST_BUFFER_CAST (walk->data));
g_slist_free (helper.buffers);
if (helper.best_probability > 0)
result = helper.caps;
if (prob)
*prob = helper.best_probability;
GST_LOG_OBJECT (obj, "Returning %" GST_PTR_FORMAT " (probability = %u)",
result, (guint) helper.best_probability);
return result;
}
static gboolean
gst_plugin_feature_name_filter (GstPluginFeature * feature, const gchar * name)
{
return !strcmp (name, GST_PLUGIN_FEATURE_NAME (feature));
}
/**
* gst_element_factory_create:
* @factory: factory to instantiate
* @name: (allow-none): name of new element, or NULL to automatically create
* a unique name
*
* Create a new element of the type defined by the given elementfactory.
* It will be given the name supplied, since all elements require a name as
* their first argument.
*
* Returns: (transfer full): new #GstElement or NULL if the element couldn't
* be created
*/
GstElement *
gst_element_factory_create (GstElementFactory * factory, const gchar * name)
{
GstElement *element;
GstElementClass *oclass;
GstElementFactory *newfactory;
g_return_val_if_fail (factory != NULL, NULL);
newfactory =
GST_ELEMENT_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE
(factory)));
if (newfactory == NULL)
goto load_failed;
factory = newfactory;
if (name)
GST_INFO ("creating element \"%s\" named \"%s\"",
GST_PLUGIN_FEATURE_NAME (factory), GST_STR_NULL (name));
else
GST_INFO ("creating element \"%s\"", GST_PLUGIN_FEATURE_NAME (factory));
if (factory->type == 0)
goto no_type;
/* create an instance of the element, cast so we don't assert on NULL
* also set name as early as we can
*/
if (name)
element =
GST_ELEMENT_CAST (g_object_new (factory->type, "name", name, NULL));
else
element = GST_ELEMENT_CAST (g_object_newv (factory->type, 0, NULL));
if (G_UNLIKELY (element == NULL))
goto no_element;
/* fill in the pointer to the factory in the element class. The
* class will not be unreffed currently.
* Be thread safe as there might be 2 threads creating the first instance of
* an element at the same moment
*/
oclass = GST_ELEMENT_GET_CLASS (element);
if (!G_ATOMIC_POINTER_COMPARE_AND_EXCHANGE (&oclass->elementfactory, NULL,
factory))
gst_object_unref (factory);
GST_DEBUG ("created element \"%s\"", GST_PLUGIN_FEATURE_NAME (factory));
return element;
/* ERRORS */
load_failed:
{
GST_WARNING_OBJECT (factory,
"loading plugin containing feature %s returned NULL!", name);
return NULL;
}
no_type:
{
GST_WARNING_OBJECT (factory, "factory has no type");
gst_object_unref (factory);
return NULL;
}
no_element:
{
GST_WARNING_OBJECT (factory, "could not create element");
gst_object_unref (factory);
return NULL;
}
}
static void
print_element_list (gboolean print_all)
{
int plugincount = 0, featurecount = 0;
GList *plugins, *orig_plugins;
orig_plugins = plugins = gst_default_registry_get_plugin_list ();
while (plugins) {
GList *features, *orig_features;
GstPlugin *plugin;
plugin = (GstPlugin *) (plugins->data);
plugins = g_list_next (plugins);
plugincount++;
orig_features = features =
gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
plugin->desc.name);
while (features) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (features->data);
featurecount++;
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
factory = GST_ELEMENT_FACTORY (feature);
if (print_all)
print_element_info (factory, TRUE);
else
g_print ("%s: %s: %s\n", plugin->desc.name,
GST_PLUGIN_FEATURE_NAME (factory),
gst_element_factory_get_longname (factory));
} else if (GST_IS_INDEX_FACTORY (feature)) {
GstIndexFactory *factory;
factory = GST_INDEX_FACTORY (feature);
if (!print_all)
g_print ("%s: %s: %s\n", plugin->desc.name,
GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
} else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
factory = GST_TYPE_FIND_FACTORY (feature);
if (!print_all)
g_print ("%s: %s: ", plugin->desc.name,
gst_plugin_feature_get_name (feature));
if (factory->extensions) {
guint i = 0;
while (factory->extensions[i]) {
if (!print_all)
g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
i++;
}
if (!print_all)
g_print ("\n");
} else {
if (!print_all)
g_print ("no extensions\n");
}
} else {
if (!print_all)
n_print ("%s: %s (%s)\n", plugin->desc.name,
GST_PLUGIN_FEATURE_NAME (feature),
g_type_name (G_OBJECT_TYPE (feature)));
}
features = g_list_next (features);
}
gst_plugin_feature_list_free (orig_features);
}
gst_plugin_list_free (orig_plugins);
g_print ("\n");
g_print (_("Total count: "));
g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
g_print (", ");
g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
g_print ("\n");
}
MainWindow::MainWindow()
: MainWindowBase(0, "main window"),
editPalette(palette()), previewPalette(palette()), previewstyle(0)
{
modified = true;
desktopThemeName = tr("Desktop Settings (Default)");
setIcon(QPixmap(":/trolltech/qtconfig/images/appicon.png"));
QStringList gstyles = QStyleFactory::keys();
gstyles.sort();
gstylecombo->addItem(desktopThemeName);
gstylecombo->setItemData(gstylecombo->findText(desktopThemeName),
tr("Choose style and palette based on your desktop settings."), Qt::ToolTipRole);
gstylecombo->insertStringList(gstyles);
QSettings settings(QLatin1String("Trolltech"));
settings.beginGroup(QLatin1String("Qt"));
QString currentstyle = settings.value(QLatin1String("style")).toString();
if (currentstyle.isEmpty()) {
gstylecombo->setCurrentItem(gstylecombo->findText(desktopThemeName));
currentstyle = QLatin1String(QApplication::style()->name());
} else {
int index = gstylecombo->findText(currentstyle, Qt::MatchFixedString);
if (index != -1) {
gstylecombo->setCurrentItem(index);
} else { // we give up
gstylecombo->insertItem(QLatin1String("Unknown"));
gstylecombo->setCurrentItem(gstylecombo->count() - 1);
}
}
buttonMainColor->setColor(palette().color(QPalette::Active,
QColorGroup::Button));
buttonMainColor2->setColor(palette().color(QPalette::Active,
QColorGroup::Window));
connect(buttonMainColor, SIGNAL(colorChanged(QColor)),
this, SLOT(buildPalette()));
connect(buttonMainColor2, SIGNAL(colorChanged(QColor)),
this, SLOT(buildPalette()));
if (X11->desktopEnvironment == DE_KDE)
colorConfig->hide();
else
labelKDENote->hide();
QFontDatabase db;
QStringList families = db.families();
familycombo->insertStringList(families);
QStringList fs = families;
QStringList fs2 = QFont::substitutions();
QStringList::Iterator fsit = fs2.begin();
while (fsit != fs2.end()) {
if (! fs.contains(*fsit))
fs += *fsit;
fsit++;
}
fs.sort();
familysubcombo->insertStringList(fs);
choosesubcombo->insertStringList(families);
Q3ValueList<int> sizes = db.standardSizes();
Q3ValueList<int>::Iterator it = sizes.begin();
while (it != sizes.end())
psizecombo->insertItem(QString::number(*it++));
dcispin->setValue(QApplication::doubleClickInterval());
cfispin->setValue(QApplication::cursorFlashTime());
wslspin->setValue(QApplication::wheelScrollLines());
// #############
// resolvelinks->setChecked(qt_resolve_symlinks);
effectcheckbox->setChecked(QApplication::isEffectEnabled(Qt::UI_General));
effectbase->setEnabled(effectcheckbox->isChecked());
if (QApplication::isEffectEnabled(Qt::UI_FadeMenu))
menueffect->setCurrentItem(2);
else if (QApplication::isEffectEnabled(Qt::UI_AnimateMenu))
menueffect->setCurrentItem(1);
if (QApplication::isEffectEnabled(Qt::UI_AnimateCombo))
comboeffect->setCurrentItem(1);
if (QApplication::isEffectEnabled(Qt::UI_FadeTooltip))
tooltipeffect->setCurrentItem(2);
else if (QApplication::isEffectEnabled(Qt::UI_AnimateTooltip))
tooltipeffect->setCurrentItem(1);
if ( QApplication::isEffectEnabled( Qt::UI_AnimateToolBox ) )
toolboxeffect->setCurrentItem( 1 );
QSize globalStrut = QApplication::globalStrut();
strutwidth->setValue(globalStrut.width());
strutheight->setValue(globalStrut.height());
// find the default family
QStringList::Iterator sit = families.begin();
int i = 0, possible = -1;
while (sit != families.end()) {
if (*sit == QApplication::font().family())
break;
if ((*sit).contains(QApplication::font().family()))
possible = i;
i++;
sit++;
}
if (sit == families.end())
i = possible;
if (i == -1) // no clue about the current font
i = 0;
familycombo->setCurrentItem(i);
QStringList styles = db.styles(familycombo->currentText());
stylecombo->insertStringList(styles);
QString stylestring = db.styleString(QApplication::font());
sit = styles.begin();
i = 0;
possible = -1;
while (sit != styles.end()) {
if (*sit == stylestring)
break;
if ((*sit).contains(stylestring))
possible = i;
i++;
sit++;
}
if (sit == styles.end())
i = possible;
if (i == -1) // no clue about the current font
i = 0;
stylecombo->setCurrentItem(i);
i = 0;
for (int psize = QApplication::font().pointSize(); i < psizecombo->count(); ++i) {
const int sz = psizecombo->text(i).toInt();
if (sz == psize) {
psizecombo->setCurrentItem(i);
break;
} else if(sz > psize) {
psizecombo->insertItem(i, QString::number(psize));
psizecombo->setCurrentItem(i);
break;
}
}
QStringList subs = QFont::substitutes(familysubcombo->currentText());
sublistbox->clear();
sublistbox->insertStringList(subs);
rtlExtensions->setChecked(settings.value(QLatin1String("useRtlExtensions"), false).toBool());
#ifdef Q_WS_X11
inputStyle->setCurrentText(settings.value(QLatin1String("XIMInputStyle"), trUtf8("On The Spot")).toString());
#else
inputStyle->hide();
inputStyleLabel->hide();
#endif
#if defined(Q_WS_X11) && !defined(QT_NO_XIM)
QStringList inputMethods = QInputContextFactory::keys();
int inputMethodIndex = -1;
QString defaultInputMethod = settings.value(QLatin1String("DefaultInputMethod"), QLatin1String("xim")).toString();
for (int i = inputMethods.size()-1; i >= 0; --i) {
const QString &im = inputMethods.at(i);
if (im.contains(QLatin1String("imsw"))) {
inputMethods.removeAt(i);
if (inputMethodIndex > i)
--inputMethodIndex;
} else if (im == defaultInputMethod) {
inputMethodIndex = i;
}
}
if (inputMethodIndex == -1 && !inputMethods.isEmpty())
inputMethodIndex = 0;
inputMethod->addItems(inputMethods);
inputMethod->setCurrentIndex(inputMethodIndex);
#else
inputMethod->hide();
inputMethodLabel->hide();
#endif
fontembeddingcheckbox->setChecked(settings.value(QLatin1String("embedFonts"), true).toBool());
fontpaths = settings.value(QLatin1String("fontPath")).toStringList();
fontpathlistbox->insertStringList(fontpaths);
audiosinkCombo->addItem(tr("Auto (default)"), QLatin1String("Auto"));
audiosinkCombo->setItemData(audiosinkCombo->findText(tr("Auto (default)")),
tr("Choose audio output automatically."), Qt::ToolTipRole);
audiosinkCombo->addItem(tr("aRts"), QLatin1String("artssink"));
audiosinkCombo->setItemData(audiosinkCombo->findText(tr("aRts")),
tr("Experimental aRts support for GStreamer."), Qt::ToolTipRole);
#ifdef HAVE_PHONON
phononVersionLabel->setText(QLatin1String(Phonon::phononVersion()));
#endif
#ifndef QT_NO_GSTREAMER
if (gst_init_check(0, 0, 0)) {
gchar *versionString = gst_version_string();
gstversionLabel->setText(QLatin1String(versionString));
g_free(versionString);
GList* factoryList = gst_registry_get_feature_list(gst_registry_get_default (), GST_TYPE_ELEMENT_FACTORY);
QString name, klass, description;
for (GList* iter = g_list_first(factoryList) ; iter != NULL ; iter = g_list_next(iter)) {
GstPluginFeature *feature = GST_PLUGIN_FEATURE(iter->data);
klass = QLatin1String(gst_element_factory_get_klass(GST_ELEMENT_FACTORY(feature)));
if (klass == QLatin1String("Sink/Audio")) {
name = QLatin1String(GST_PLUGIN_FEATURE_NAME(feature));
if (name == QLatin1String("sfsink"))
continue; //useless to output audio to file when you cannot set the file path
else if (name == QLatin1String("autoaudiosink"))
continue; //This is used implicitly from the auto setting
GstElement *sink = gst_element_factory_make (qPrintable(name), NULL);
if (sink) {
description = QLatin1String(gst_element_factory_get_description (GST_ELEMENT_FACTORY(feature)));
audiosinkCombo->addItem(name, name);
audiosinkCombo->setItemData(audiosinkCombo->findText(name), description, Qt::ToolTipRole);
gst_object_unref (sink);
}
}
}
g_list_free(factoryList);
}
#else
tab4->setEnabled(false);
phononLabel->setText(tr("Phonon GStreamer backend not available."));
#endif
videomodeCombo->addItem(tr("Auto (default)"), QLatin1String("Auto"));
videomodeCombo->setItemData(videomodeCombo->findText(tr("Auto (default)")), tr("Choose render method automatically"), Qt::ToolTipRole);
#ifdef Q_WS_X11
videomodeCombo->addItem(tr("X11"), QLatin1String("X11"));
videomodeCombo->setItemData(videomodeCombo->findText(tr("X11")), tr("Use X11 Overlays"), Qt::ToolTipRole);
#endif
#ifndef QT_NO_OPENGL
videomodeCombo->addItem(tr("OpenGL"), QLatin1String("OpenGL"));
videomodeCombo->setItemData(videomodeCombo->findText(tr("OpenGL")), tr("Use OpenGL if available"), Qt::ToolTipRole);
#endif
videomodeCombo->addItem(tr("Software"), QLatin1String("Software"));
videomodeCombo->setItemData(videomodeCombo->findText(tr("Software")), tr("Use simple software rendering"), Qt::ToolTipRole);
QString audioSink = settings.value(QLatin1String("audiosink"), QLatin1String("Auto")).toString();
QString videoMode = settings.value(QLatin1String("videomode"), QLatin1String("Auto")).toString();
audiosinkCombo->setCurrentItem(audiosinkCombo->findData(audioSink));
videomodeCombo->setCurrentItem(videomodeCombo->findData(videoMode));
settings.endGroup(); // Qt
helpview->setText(tr(appearance_text));
setModified(false);
updateStyleLayout();
}
static gboolean
filter_func (GstPluginFeature * feature, gpointer user_data)
{
return (g_str_has_prefix (GST_PLUGIN_FEATURE_NAME (feature), "libvisual_"));
}
static gint
print_element_info (GstElementFactory * factory)
{
GstElement *element;
#ifndef GST_DISABLE_LOADSAVE
GstObjectClass *gstobject_class;
#endif
GstElementClass *gstelement_class;
GList *pads;
GstPad *pad;
GstStaticPadTemplate *padtemplate;
gint maxlevel = 0;
element = gst_element_factory_create (factory, "element");
if (!element) {
g_print ("couldn't construct element for some reason\n");
return -1;
}
PUT_START_TAG (0, "element");
PUT_ESCAPED (1, "name", GST_PLUGIN_FEATURE_NAME (factory));
#ifndef GST_DISABLE_LOADSAVE
gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
#endif
gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
PUT_START_TAG (1, "details");
PUT_ESCAPED (2, "long-name", factory->details.longname);
PUT_ESCAPED (2, "class", factory->details.klass);
PUT_ESCAPED (2, "description", factory->details.description);
PUT_ESCAPED (2, "authors", factory->details.author);
PUT_END_TAG (1, "details");
output_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
PUT_START_TAG (1, "pad-templates");
if (factory->numpadtemplates) {
pads = factory->staticpadtemplates;
while (pads) {
padtemplate = (GstStaticPadTemplate *) (pads->data);
pads = g_list_next (pads);
PUT_START_TAG (2, "pad-template");
PUT_ESCAPED (3, "name", padtemplate->name_template);
if (padtemplate->direction == GST_PAD_SRC)
PUT_ESCAPED (3, "direction", "src");
else if (padtemplate->direction == GST_PAD_SINK)
PUT_ESCAPED (3, "direction", "sink");
else
PUT_ESCAPED (3, "direction", "unknown");
if (padtemplate->presence == GST_PAD_ALWAYS)
PUT_ESCAPED (3, "presence", "always");
else if (padtemplate->presence == GST_PAD_SOMETIMES)
PUT_ESCAPED (3, "presence", "sometimes");
else if (padtemplate->presence == GST_PAD_REQUEST) {
PUT_ESCAPED (3, "presence", "request");
PUT_ESCAPED (3, "request-function",
GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
} else
PUT_ESCAPED (3, "presence", "unknown");
if (padtemplate->static_caps.string) {
print_caps (gst_static_caps_get (&padtemplate->static_caps), 3);
}
PUT_END_TAG (2, "pad-template");
}
}
PUT_END_TAG (1, "pad-templates");
PUT_START_TAG (1, "element-flags");
PUT_END_TAG (1, "element-flags");
if (GST_IS_BIN (element)) {
PUT_START_TAG (1, "bin-flags");
PUT_END_TAG (1, "bin-flags");
}
PUT_START_TAG (1, "element-implementation");
PUT_STRING (2, "<state-change function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
#ifndef GST_DISABLE_LOADSAVE
PUT_STRING (2, "<save function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
PUT_STRING (2, "<load function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
#endif
PUT_END_TAG (1, "element-implementation");
PUT_START_TAG (1, "clocking-interaction");
if (gst_element_requires_clock (element)) {
PUT_STRING (2, "<requires-clock/>");
}
if (gst_element_provides_clock (element)) {
GstClock *clock;
clock = gst_element_get_clock (element);
if (clock)
PUT_STRING (2, "<provides-clock name=\"%s\"/>", GST_OBJECT_NAME (clock));
}
PUT_END_TAG (1, "clocking-interaction");
if (gst_element_is_indexable (element)) {
PUT_STRING (1, "<indexing-capabilities/>");
}
PUT_START_TAG (1, "pads");
if (element->numpads) {
const GList *pads;
pads = element->pads;
while (pads) {
pad = GST_PAD (pads->data);
pads = g_list_next (pads);
PUT_START_TAG (2, "pad");
PUT_ESCAPED (3, "name", gst_pad_get_name (pad));
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
PUT_ESCAPED (3, "direction", "src");
else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
PUT_ESCAPED (3, "direction", "sink");
else
PUT_ESCAPED (3, "direction", "unknown");
if (pad->padtemplate)
PUT_ESCAPED (3, "template", pad->padtemplate->name_template);
PUT_START_TAG (3, "implementation");
if (pad->chainfunc)
PUT_STRING (4, "<chain-based function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->chainfunc));
if (pad->getrangefunc)
PUT_STRING (4, "<get-range-based function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc));
if (pad->eventfunc != gst_pad_event_default)
PUT_STRING (4, "<event-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->eventfunc));
if (pad->queryfunc != gst_pad_query_default)
PUT_STRING (4, "<query-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->queryfunc));
if (pad->querytypefunc != gst_pad_get_query_types_default) {
PUT_STRING (4, "<query-type-func function=\"%s\">",
GST_DEBUG_FUNCPTR_NAME (pad->querytypefunc));
print_query_types (gst_pad_get_query_types (pad), 5);
PUT_END_TAG (4, "query-type-func");
}
if (pad->iterintlinkfunc != gst_pad_iterate_internal_links_default)
PUT_STRING (4, "<iterintlink-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->iterintlinkfunc));
if (pad->bufferallocfunc)
PUT_STRING (4, "<bufferalloc-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc));
PUT_END_TAG (3, "implementation");
if (pad->caps) {
print_caps (pad->caps, 3);
}
PUT_END_TAG (2, "pad");
}
}
PUT_END_TAG (1, "pads");
print_element_properties (element, 1);
print_element_signals (element, 1);
/* for compound elements */
/* FIXME: gst_bin_get_list does not exist anymore
if (GST_IS_BIN (element)) {
GList *children;
GstElement *child;
PUT_START_TAG (1, "children");
children = (GList *) gst_bin_get_list (GST_BIN (element));
while (children) {
child = GST_ELEMENT (children->data);
children = g_list_next (children);
PUT_ESCAPED (2, "child", GST_ELEMENT_NAME (child));
}
PUT_END_TAG (1, "children");
}
*/
PUT_END_TAG (0, "element");
return 0;
}
/*
* helper_find_peek:
* @data: helper data struct
* @off: stream offset
* @size: block size
*
* Get data pointer within a stream. Keeps a cache of read buffers (partly
* for performance reasons, but mostly because pointers returned by us need
* to stay valid until typefinding has finished)
*
* Returns: address of the data or %NULL if buffer does not cover the
* requested range.
*/
static guint8 *
helper_find_peek (gpointer data, gint64 offset, guint size)
{
GstTypeFindHelper *helper;
GstBuffer *buffer;
GstFlowReturn ret;
GSList *insert_pos = NULL;
guint buf_size;
guint64 buf_offset;
GstCaps *caps;
helper = (GstTypeFindHelper *) data;
GST_LOG_OBJECT (helper->obj, "'%s' called peek (%" G_GINT64_FORMAT
", %u)", GST_PLUGIN_FEATURE_NAME (helper->factory), offset, size);
if (size == 0)
return NULL;
if (offset < 0) {
if (helper->size == -1 || helper->size < -offset)
return NULL;
offset += helper->size;
}
/* see if we have a matching buffer already in our list */
if (size > 0 && offset <= helper->last_offset) {
GSList *walk;
for (walk = helper->buffers; walk; walk = walk->next) {
GstBuffer *buf = GST_BUFFER_CAST (walk->data);
guint64 buf_offset = GST_BUFFER_OFFSET (buf);
guint buf_size = GST_BUFFER_SIZE (buf);
/* buffers are kept sorted by end offset (highest first) in the list, so
* at this point we save the current position and stop searching if
* we're after the searched end offset */
if (buf_offset <= offset) {
if ((offset + size) < (buf_offset + buf_size)) {
return GST_BUFFER_DATA (buf) + (offset - buf_offset);
}
} else if (offset + size >= buf_offset + buf_size) {
insert_pos = walk;
break;
}
}
}
buffer = NULL;
/* some typefinders go in 1 byte steps over 1k of data and request
* small buffers. It is really inefficient to pull each time, and pulling
* a larger chunk is almost free. Trying to pull a larger chunk at the end
* of the file is also not a problem here, we'll just get a truncated buffer
* in that case (and we'll have to double-check the size we actually get
* anyway, see below) */
ret = helper->func (helper->obj, offset, MAX (size, 4096), &buffer);
if (ret != GST_FLOW_OK)
goto error;
caps = GST_BUFFER_CAPS (buffer);
if (caps && !gst_caps_is_empty (caps) && !gst_caps_is_any (caps)) {
GST_DEBUG ("buffer has caps %" GST_PTR_FORMAT ", suggest max probability",
caps);
gst_caps_replace (&helper->caps, caps);
helper->best_probability = GST_TYPE_FIND_MAXIMUM;
gst_buffer_unref (buffer);
return NULL;
}
/* getrange might silently return shortened buffers at the end of a file,
* we must, however, always return either the full requested data or NULL */
buf_offset = GST_BUFFER_OFFSET (buffer);
buf_size = GST_BUFFER_SIZE (buffer);
if ((buf_offset != -1 && buf_offset != offset) || buf_size < size) {
GST_DEBUG ("dropping short buffer: %" G_GUINT64_FORMAT "-%" G_GUINT64_FORMAT
" instead of %" G_GUINT64_FORMAT "-%" G_GUINT64_FORMAT,
buf_offset, buf_offset + buf_size - 1, offset, offset + size - 1);
gst_buffer_unref (buffer);
return NULL;
}
if (insert_pos) {
helper->buffers =
g_slist_insert_before (helper->buffers, insert_pos, buffer);
} else {
/* if insert_pos is not set, our offset is bigger than the largest offset
* we have so far; since we keep the list sorted with highest offsets
* first, we need to prepend the buffer to the list */
helper->last_offset = GST_BUFFER_OFFSET (buffer) + GST_BUFFER_SIZE (buffer);
helper->buffers = g_slist_prepend (helper->buffers, buffer);
}
return GST_BUFFER_DATA (buffer);
error:
{
GST_INFO ("typefind function returned: %s", gst_flow_get_name (ret));
return NULL;
}
}
static void
print_plugin_features (GstPlugin * plugin)
{
GList *features;
gint num_features = 0;
gint num_elements = 0;
gint num_types = 0;
gint num_indexes = 0;
gint num_other = 0;
features =
gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
plugin->desc.name);
while (features) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (features->data);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
factory = GST_ELEMENT_FACTORY (feature);
n_print (" %s: %s\n", GST_PLUGIN_FEATURE_NAME (factory),
gst_element_factory_get_longname (factory));
num_elements++;
} else if (GST_IS_INDEX_FACTORY (feature)) {
GstIndexFactory *factory;
factory = GST_INDEX_FACTORY (feature);
n_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
num_indexes++;
} else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
factory = GST_TYPE_FIND_FACTORY (feature);
if (factory->extensions) {
guint i = 0;
g_print ("%s: %s: ", plugin->desc.name,
gst_plugin_feature_get_name (feature));
while (factory->extensions[i]) {
g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
i++;
}
g_print ("\n");
} else
g_print ("%s: %s: no extensions\n", plugin->desc.name,
gst_plugin_feature_get_name (feature));
num_types++;
} else {
n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
g_type_name (G_OBJECT_TYPE (feature)));
num_other++;
}
num_features++;
features = g_list_next (features);
}
n_print ("\n");
n_print (" %d features:\n", num_features);
if (num_elements > 0)
n_print (" +-- %d elements\n", num_elements);
if (num_types > 0)
n_print (" +-- %d types\n", num_types);
if (num_indexes > 0)
n_print (" +-- %d indexes\n", num_indexes);
if (num_other > 0)
n_print (" +-- %d other objects\n", num_other);
n_print ("\n");
}
static void
print_plugin_automatic_install_info_codecs (GstElementFactory * factory)
{
GstPadDirection direction;
const gchar *type_name;
const gchar *klass;
const GList *static_templates, *l;
GstCaps *caps = NULL;
guint i, num;
klass = gst_element_factory_get_klass (factory);
g_return_if_fail (klass != NULL);
if (strstr (klass, "Demuxer") ||
strstr (klass, "Decoder") ||
strstr (klass, "Depay") || strstr (klass, "Parser")) {
type_name = "decoder";
direction = GST_PAD_SINK;
} else if (strstr (klass, "Muxer") ||
strstr (klass, "Encoder") || strstr (klass, "Pay")) {
type_name = "encoder";
direction = GST_PAD_SRC;
} else {
return;
}
/* decoder/demuxer sink pads should always be static and there should only
* be one, the same applies to encoders/muxers and source pads */
static_templates = gst_element_factory_get_static_pad_templates (factory);
for (l = static_templates; l != NULL; l = l->next) {
GstStaticPadTemplate *tmpl = NULL;
tmpl = (GstStaticPadTemplate *) l->data;
if (tmpl->direction == direction) {
caps = gst_static_pad_template_get_caps (tmpl);
break;
}
}
if (caps == NULL) {
g_printerr ("Couldn't find static pad template for %s '%s'\n",
type_name, GST_PLUGIN_FEATURE_NAME (factory));
return;
}
caps = gst_caps_make_writable (caps);
num = gst_caps_get_size (caps);
for (i = 0; i < num; ++i) {
GstStructure *s;
gchar *s_str;
s = gst_caps_get_structure (caps, i);
/* remove fields that are almost always just MIN-MAX of some sort
* in order to make the caps look less messy */
gst_structure_remove_field (s, "pixel-aspect-ratio");
gst_structure_remove_field (s, "framerate");
gst_structure_remove_field (s, "channels");
gst_structure_remove_field (s, "width");
gst_structure_remove_field (s, "height");
gst_structure_remove_field (s, "rate");
gst_structure_remove_field (s, "depth");
gst_structure_remove_field (s, "clock-rate");
s_str = gst_structure_to_string (s);
g_print ("%s-%s\n", type_name, s_str);
g_free (s_str);
}
gst_caps_unref (caps);
}
