static gboolean
gst_auto_audio_sink_factory_filter (GstPluginFeature * feature, gpointer data)
{
guint rank;
const gchar *klass;
/* we only care about element factories */
if (!GST_IS_ELEMENT_FACTORY (feature))
return FALSE;
/* audio sinks */
klass = gst_element_factory_get_klass (GST_ELEMENT_FACTORY (feature));
if (!(strstr (klass, "Sink") && strstr (klass, "Audio")))
return FALSE;
/* only select elements with autoplugging rank */
rank = gst_plugin_feature_get_rank (feature);
if (rank < GST_RANK_MARGINAL)
return FALSE;
return TRUE;
}
/**
* gst_audio_default_registry_mixer_filter:
* @filter_func: filter function, or #NULL
* @first: set to #TRUE if you only want the first suitable mixer element
* @user_data: user data to pass to the filter function
*
* Utility function to find audio mixer elements.
*
* Will traverse the default plugin registry in order of plugin rank and
* find usable audio mixer elements. The caller may optionally fine-tune
* the selection by specifying a filter function.
*
* Returns: a #GList of audio mixer #GstElement<!-- -->s. You must free each
* element in the list by setting it to NULL state and calling
* gst_object_unref(). After that the list itself should be freed
* using g_list_free().
*
* Since: 0.10.2
*/
GList *
gst_audio_default_registry_mixer_filter (GstAudioMixerFilterFunc filter_func,
gboolean first, gpointer data)
{
GList *mixer_list = NULL;
GList *feature_list;
GList *walk;
/* go through all elements of a certain class and check whether
* they implement a mixer. If so, add it to the list. */
feature_list = gst_registry_get_feature_list (gst_registry_get_default (),
GST_TYPE_ELEMENT_FACTORY);
feature_list = g_list_sort (feature_list, element_factory_rank_compare_func);
for (walk = feature_list; walk != NULL; walk = walk->next) {
GstElementFactory *factory;
const gchar *klass;
factory = GST_ELEMENT_FACTORY (walk->data);
/* check category */
klass = gst_element_factory_get_klass (factory);
if (strcmp (klass, "Generic/Audio") == 0) {
gst_audio_mixer_filter_probe_feature (filter_func, factory,
&mixer_list, first, data);
}
if (first && mixer_list != NULL) {
GST_DEBUG ("Stopping after first found mixer, as requested");
break;
}
}
gst_plugin_feature_list_free (feature_list);
return g_list_reverse (mixer_list);
}
static gboolean rygel_gst_utils_rtp_depay_filter (GstPluginFeature* feature) {
#line 312 "rygel-gst-utils.c"
gboolean result = FALSE;
GstElementFactory* factory;
#line 93 "rygel-gst-utils.vala"
g_return_val_if_fail (feature != NULL, FALSE);
#line 94 "rygel-gst-utils.vala"
if (!g_type_is_a (G_TYPE_FROM_INSTANCE ((GObject*) feature), GST_TYPE_ELEMENT_FACTORY)) {
#line 319 "rygel-gst-utils.c"
result = FALSE;
#line 95 "rygel-gst-utils.vala"
return result;
#line 323 "rygel-gst-utils.c"
}
#line 98 "rygel-gst-utils.vala"
factory = _gst_object_ref0 (GST_ELEMENT_FACTORY (feature));
#line 327 "rygel-gst-utils.c"
result = string_contains (gst_element_factory_get_klass (factory), "Depayloader");
_gst_object_unref0 (factory);
#line 100 "rygel-gst-utils.vala"
return result;
#line 332 "rygel-gst-utils.c"
}
static GstElement *
gst_auto_convert_get_or_make_element_from_factory (GstAutoConvert * autoconvert,
GstElementFactory * factory)
{
GstElement *element = NULL;
GstElementFactory *loaded_factory =
GST_ELEMENT_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE
(factory)));
if (!loaded_factory)
return NULL;
element = gst_auto_convert_get_element_by_type (autoconvert,
gst_element_factory_get_element_type (loaded_factory));
if (!element) {
element = gst_auto_convert_add_element (autoconvert, loaded_factory);
}
gst_object_unref (loaded_factory);
return element;
}
static gboolean
gst_auto_video_src_factory_filter (GstPluginFeature * feature, gpointer data)
{
guint rank;
const gchar *klass;
/* we only care about element factories */
if (!GST_IS_ELEMENT_FACTORY (feature))
return FALSE;
/* video sources */
klass = gst_element_factory_get_metadata (GST_ELEMENT_FACTORY (feature),
GST_ELEMENT_METADATA_KLASS);
if (!(strstr (klass, "Source") && strstr (klass, "Video")))
return FALSE;
/* only select elements with autoplugging rank */
rank = gst_plugin_feature_get_rank (feature);
if (rank < GST_RANK_MARGINAL)
return FALSE;
return TRUE;
}
GstRTSPExtensionList *
gst_rtsp_ext_list_get (void)
{
GstRTSPExtensionList *result;
GList *walk;
result = g_new0 (GstRTSPExtensionList, 1);
for (walk = extensions; walk; walk = g_list_next (walk)) {
GstElementFactory *factory = GST_ELEMENT_FACTORY (walk->data);
GstElement *element;
element = gst_element_factory_create (factory, NULL);
if (!element) {
GST_ERROR ("could not create extension instance");
continue;
}
GST_DEBUG ("added extension interface for '%s'",
GST_ELEMENT_NAME (element));
result->extensions = g_list_prepend (result->extensions, element);
}
return result;
}
static gboolean match_element(GstPluginFeature *feature, gpointer gdata) {
struct typeinfo *data = (struct typeinfo*)gdata;
GstElementFactory *factory;
const GList *list;
if (!GST_IS_ELEMENT_FACTORY(feature))
return FALSE;
factory = GST_ELEMENT_FACTORY(feature);
if (!strstr(gst_element_factory_get_klass(factory), data->type))
return FALSE;
for (list = gst_element_factory_get_static_pad_templates(factory); list; list = list->next) {
GstStaticPadTemplate *pad = (GstStaticPadTemplate*)list->data;
GstCaps *caps;
gboolean ret;
if (pad->direction != GST_PAD_SINK)
continue;
caps = gst_static_caps_get(&pad->static_caps);
ret = gst_caps_is_always_compatible(caps, data->caps);
gst_caps_unref(caps);
if (ret)
return TRUE;
}
return FALSE;
}
/* creates/returns a list of CodecCap based on given filter function and caps */
static GList *
get_plugins_filtered_from_caps (FilterFunc filter,
GstCaps *caps,
GstPadDirection direction)
{
GList *walk, *result;
GstElementFactory *factory;
GList *list = NULL;
gboolean is_valid;
GstCaps *matched_caps = NULL;
result = gst_registry_get_feature_list (gst_registry_get_default (),
GST_TYPE_ELEMENT_FACTORY);
result = g_list_sort (result, (GCompareFunc) compare_ranks);
walk = result;
while (walk)
{
factory = GST_ELEMENT_FACTORY (walk->data);
is_valid = FALSE;
if (!filter (factory))
{
goto next;
}
if (caps)
{
if (check_caps_compatibility (factory, caps, &matched_caps))
{
is_valid = TRUE;
}
}
if (is_valid || !caps)
{
if (!matched_caps)
{
list = create_codec_cap_list (factory, direction, list, NULL);
}
else
{
gint i;
for (i = 0; i < gst_caps_get_size (matched_caps); i++)
{
GstStructure *structure = gst_caps_get_structure (matched_caps, i);
GstCaps *cur_caps =
gst_caps_new_full (gst_structure_copy (structure), NULL);
list = create_codec_cap_list (factory, direction, list, cur_caps);
gst_caps_unref (cur_caps);
}
gst_caps_unref (matched_caps);
}
}
next:
walk = g_list_next (walk);
}
/*
walk = result;
while (walk)
{
factory = GST_ELEMENT_FACTORY (walk->data);
DEBUG ("new refcnt is %d", GST_OBJECT_REFCOUNT_VALUE (GST_OBJECT (factory)));
walk = g_list_next (walk);
}
*/
gst_plugin_feature_list_free (result);
return list;
}
static GstElement *
gst_auto_audio_sink_find_best (GstAutoAudioSink * sink)
{
GList *list, *item;
GstElement *choice = NULL;
GstMessage *message = NULL;
GSList *errors = NULL;
GstBus *bus = gst_bus_new ();
GstPad *el_pad = NULL;
GstCaps *el_caps = NULL;
gboolean no_match = TRUE;
list = gst_registry_feature_filter (gst_registry_get (),
(GstPluginFeatureFilter) gst_auto_audio_sink_factory_filter, FALSE, sink);
list = g_list_sort (list, (GCompareFunc) gst_auto_audio_sink_compare_ranks);
/* We don't treat sound server sinks special. Our policy is that sound
* server sinks that have a rank must not auto-spawn a daemon under any
* circumstances, so there's nothing for us to worry about here */
GST_LOG_OBJECT (sink, "Trying to find usable audio devices ...");
for (item = list; item != NULL; item = item->next) {
GstElementFactory *f = GST_ELEMENT_FACTORY (item->data);
GstElement *el;
if ((el = gst_auto_audio_sink_create_element_with_pretty_name (sink, f))) {
GstStateChangeReturn ret;
GST_DEBUG_OBJECT (sink, "Testing %s", GST_OBJECT_NAME (f));
/* If autoaudiosink has been provided with filter caps,
* accept only sinks that match with the filter caps */
if (sink->filter_caps) {
el_pad = gst_element_get_static_pad (GST_ELEMENT (el), "sink");
el_caps = gst_pad_query_caps (el_pad, NULL);
gst_object_unref (el_pad);
GST_DEBUG_OBJECT (sink,
"Checking caps: %" GST_PTR_FORMAT " vs. %" GST_PTR_FORMAT,
sink->filter_caps, el_caps);
no_match = !gst_caps_can_intersect (sink->filter_caps, el_caps);
gst_caps_unref (el_caps);
if (no_match) {
GST_DEBUG_OBJECT (sink, "Incompatible caps");
gst_object_unref (el);
continue;
} else {
GST_DEBUG_OBJECT (sink, "Found compatible caps");
}
}
gst_element_set_bus (el, bus);
ret = gst_element_set_state (el, GST_STATE_READY);
if (ret == GST_STATE_CHANGE_SUCCESS) {
GST_DEBUG_OBJECT (sink, "This worked!");
choice = el;
break;
}
/* collect all error messages */
while ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR))) {
GST_DEBUG_OBJECT (sink, "error message %" GST_PTR_FORMAT, message);
errors = g_slist_append (errors, message);
}
gst_element_set_state (el, GST_STATE_NULL);
gst_object_unref (el);
}
}
GST_DEBUG_OBJECT (sink, "done trying");
if (!choice) {
if (errors) {
/* FIXME: we forward the first error for now; but later on it might make
* sense to actually analyse them */
gst_message_ref (GST_MESSAGE (errors->data));
GST_DEBUG_OBJECT (sink, "reposting message %p", errors->data);
gst_element_post_message (GST_ELEMENT (sink), GST_MESSAGE (errors->data));
} else {
/* send warning message to application and use a fakesink */
GST_ELEMENT_WARNING (sink, RESOURCE, NOT_FOUND, (NULL),
("Failed to find a usable audio sink"));
choice = gst_element_factory_make ("fakesink", "fake-audio-sink");
if (g_object_class_find_property (G_OBJECT_GET_CLASS (choice), "sync"))
g_object_set (choice, "sync", TRUE, NULL);
gst_element_set_state (choice, GST_STATE_READY);
}
}
gst_object_unref (bus);
gst_plugin_feature_list_free (list);
g_slist_foreach (errors, (GFunc) gst_mini_object_unref, NULL);
g_slist_free (errors);
return choice;
}
static GstElement *
gst_auto_video_src_find_best (GstAutoVideoSrc * src)
{
GList *list, *item;
GstElement *choice = NULL;
GstMessage *message = NULL;
GSList *errors = NULL;
GstBus *bus = gst_bus_new ();
GstPad *el_pad = NULL;
GstCaps *el_caps = NULL, *intersect = NULL;
gboolean no_match = TRUE;
list = gst_registry_feature_filter (gst_registry_get_default (),
(GstPluginFeatureFilter) gst_auto_video_src_factory_filter, FALSE, src);
list = g_list_sort (list, (GCompareFunc) gst_auto_video_src_compare_ranks);
GST_LOG_OBJECT (src, "Trying to find usable video devices ...");
for (item = list; item != NULL; item = item->next) {
GstElementFactory *f = GST_ELEMENT_FACTORY (item->data);
GstElement *el;
if ((el = gst_auto_video_src_create_element_with_pretty_name (src, f))) {
GstStateChangeReturn ret;
GST_DEBUG_OBJECT (src, "Testing %s", GST_PLUGIN_FEATURE (f)->name);
/* If AutoVideoSrc has been provided with filter caps,
* accept only sources that match with the filter caps */
if (src->filter_caps) {
el_pad = gst_element_get_static_pad (GST_ELEMENT (el), "src");
el_caps = gst_pad_get_caps (el_pad);
gst_object_unref (el_pad);
GST_DEBUG_OBJECT (src,
"Checking caps: %" GST_PTR_FORMAT " vs. %" GST_PTR_FORMAT,
src->filter_caps, el_caps);
intersect = gst_caps_intersect (src->filter_caps, el_caps);
no_match = gst_caps_is_empty (intersect);
gst_caps_unref (el_caps);
gst_caps_unref (intersect);
if (no_match) {
GST_DEBUG_OBJECT (src, "Incompatible caps");
gst_object_unref (el);
continue;
} else {
GST_DEBUG_OBJECT (src, "Found compatible caps");
}
}
gst_element_set_bus (el, bus);
ret = gst_element_set_state (el, GST_STATE_READY);
if (ret == GST_STATE_CHANGE_SUCCESS) {
GST_DEBUG_OBJECT (src, "This worked!");
choice = el;
break;
}
/* collect all error messages */
while ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR))) {
GST_DEBUG_OBJECT (src, "error message %" GST_PTR_FORMAT, message);
errors = g_slist_append (errors, message);
}
gst_element_set_state (el, GST_STATE_NULL);
gst_object_unref (el);
}
}
GST_DEBUG_OBJECT (src, "done trying");
if (!choice) {
if (errors) {
/* FIXME: we forward the first error for now; but later on it might make
* sense to actually analyse them */
gst_message_ref (GST_MESSAGE (errors->data));
GST_DEBUG_OBJECT (src, "reposting message %p", errors->data);
gst_element_post_message (GST_ELEMENT (src), GST_MESSAGE (errors->data));
} else {
/* send warning message to application and use a fakesrc */
GST_ELEMENT_WARNING (src, RESOURCE, NOT_FOUND, (NULL),
("Failed to find a usable video source"));
choice = gst_element_factory_make ("fakesrc", "fake-video-src");
if (g_object_class_find_property (G_OBJECT_GET_CLASS (choice), "sync"))
g_object_set (choice, "sync", TRUE, NULL);
gst_element_set_state (choice, GST_STATE_READY);
}
}
gst_object_unref (bus);
gst_plugin_feature_list_free (list);
g_slist_foreach (errors, (GFunc) gst_mini_object_unref, NULL);
g_slist_free (errors);
return choice;
}
EffectManager::EffectManager(Backend *backend)
: QObject(backend)
, m_backend(backend)
{
GList *factoryList = gst_registry_get_feature_list(gst_registry_get(), GST_TYPE_ELEMENT_FACTORY);
QString name;
QString klass;
QString description;
QString 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 == QLatin1String("Filter/Effect/Audio")) {
name = GST_OBJECT_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 == QLatin1String("audiopanorama")
|| name == QLatin1String("audioamplify")
|| name == QLatin1String("audiodynamic")
|| name == QLatin1String("equalizer-10bands")
|| name == QLatin1String("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);
#ifdef __GNUC__
#warning TODO - get rid of equalizer name mapping (also see audioeffect.cpp)
#endif
// Map the GStreamer name to the name used by Xine, to allow
// API consumers that think KEqualizer is a persistant name
// to have a working equalizer with GStreamer too (e.g. Amarok).
if (name == QLatin1String("equalizer-10bands")) {
m_audioEffectList.append(new EffectInfo(
QLatin1String("KEqualizer"),
QLatin1String("Compatibility effect. Do not use in new software!"),
author));
}
}
}
}
gst_plugin_feature_list_free(factoryList);
}
/**
* 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, blacklistcount = 0;
GList *plugins, *orig_plugins;
orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
while (plugins) {
GList *features, *orig_features;
GstPlugin *plugin;
plugin = (GstPlugin *) (plugins->data);
plugins = g_list_next (plugins);
plugincount++;
if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
blacklistcount++;
continue;
}
orig_features = features =
gst_registry_get_feature_list_by_plugin (gst_registry_get (),
gst_plugin_get_name (plugin));
while (features) {
GstPluginFeature *feature;
if (G_UNLIKELY (features->data == NULL))
goto next;
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", gst_plugin_get_name (plugin),
GST_OBJECT_NAME (factory),
gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME));
} else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
const gchar *const *extensions;
factory = GST_TYPE_FIND_FACTORY (feature);
if (!print_all)
g_print ("%s: %s: ", gst_plugin_get_name (plugin),
gst_plugin_feature_get_name (feature));
extensions = gst_type_find_factory_get_extensions (factory);
if (extensions != NULL) {
guint i = 0;
while (extensions[i]) {
if (!print_all)
g_print ("%s%s", i > 0 ? ", " : "", 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", gst_plugin_get_name (plugin),
GST_OBJECT_NAME (feature), g_type_name (G_OBJECT_TYPE (feature)));
}
next:
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);
if (blacklistcount) {
g_print (" (");
g_print (ngettext ("%d blacklist entry", "%d blacklist entries",
blacklistcount), blacklistcount);
g_print (" not shown)");
}
g_print (", ");
g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
g_print ("\n");
}
static void
print_plugin_features (GstPlugin * plugin)
{
GList *features, *origlist;
gint num_features = 0;
gint num_elements = 0;
gint num_tracers = 0;
gint num_typefinders = 0;
gint num_devproviders = 0;
gint num_other = 0;
origlist = features =
gst_registry_get_feature_list_by_plugin (gst_registry_get (),
gst_plugin_get_name (plugin));
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_OBJECT_NAME (factory),
gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME));
num_elements++;
} else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
const gchar *const *extensions;
factory = GST_TYPE_FIND_FACTORY (feature);
extensions = gst_type_find_factory_get_extensions (factory);
if (extensions) {
guint i = 0;
g_print (" %s: %s: ", gst_plugin_get_name (plugin),
gst_plugin_feature_get_name (feature));
while (extensions[i]) {
g_print ("%s%s", i > 0 ? ", " : "", extensions[i]);
i++;
}
g_print ("\n");
} else
g_print (" %s: %s: no extensions\n", gst_plugin_get_name (plugin),
gst_plugin_feature_get_name (feature));
num_typefinders++;
} else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) {
GstDeviceProviderFactory *factory;
factory = GST_DEVICE_PROVIDER_FACTORY (feature);
n_print (" %s: %s\n", GST_OBJECT_NAME (factory),
gst_device_provider_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME));
num_devproviders++;
} else if (GST_IS_TRACER_FACTORY (feature)) {
n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
g_type_name (G_OBJECT_TYPE (feature)));
num_tracers++;
} else if (feature) {
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);
}
gst_plugin_feature_list_free (origlist);
n_print ("\n");
n_print (" %d features:\n", num_features);
if (num_elements > 0)
n_print (" +-- %d elements\n", num_elements);
if (num_typefinders > 0)
n_print (" +-- %d typefinders\n", num_typefinders);
if (num_devproviders > 0)
n_print (" +-- %d device providers\n", num_devproviders);
if (num_tracers > 0)
n_print (" +-- %d tracers\n", num_tracers);
if (num_other > 0)
n_print (" +-- %d other objects\n", num_other);
n_print ("\n");
}
static void
print_all_uri_handlers (void)
{
GList *plugins, *p, *features, *f;
plugins = gst_registry_get_plugin_list (gst_registry_get ());
for (p = plugins; p; p = p->next) {
GstPlugin *plugin = (GstPlugin *) (p->data);
features =
gst_registry_get_feature_list_by_plugin (gst_registry_get (),
gst_plugin_get_name (plugin));
for (f = features; f; f = f->next) {
GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
GstElement *element;
factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
if (!factory) {
g_print ("element plugin %s couldn't be loaded\n",
gst_plugin_get_name (plugin));
continue;
}
element = gst_element_factory_create (factory, NULL);
if (!element) {
g_print ("couldn't construct element for %s for some reason\n",
GST_OBJECT_NAME (factory));
gst_object_unref (factory);
continue;
}
if (GST_IS_URI_HANDLER (element)) {
const gchar *const *uri_protocols;
const gchar *dir;
gchar *joined;
switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
case GST_URI_SRC:
dir = "read";
break;
case GST_URI_SINK:
dir = "write";
break;
default:
dir = "unknown";
break;
}
uri_protocols =
gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
joined = g_strjoinv (", ", (gchar **) uri_protocols);
g_print ("%s (%s, rank %u): %s\n",
gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)), dir,
gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
joined);
g_free (joined);
}
gst_object_unref (element);
gst_object_unref (factory);
}
}
gst_plugin_feature_list_free (features);
}
gst_plugin_list_free (plugins);
}
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();
}
int main(int argc, char *argv[]) {
GstElement *pipeline, *vis_plugin;
GstBus *bus;
GstMessage *msg;
GList *list, *walk;
GstElementFactory *selected_factory = NULL;
guint flags;
char *pipeline_str;
gboolean list_plugins = FALSE;
gchar *plugin_name = NULL;
GError *error = NULL;
GOptionContext *context;
GOptionEntry options[] = {
{ "list-plugins", 'l', 0, G_OPTION_ARG_NONE, &list_plugins,
"list available plugins and exits", NULL },
{ "plugin", 'p', 0, G_OPTION_ARG_STRING, &plugin_name,
"set the desired plugin", NULL },
{ NULL }
};
context = g_option_context_new("");
g_option_context_add_main_entries(context, options, "");
if (!g_option_context_parse(context, &argc, &argv, &error)) {
g_print("option parsing failed: %s\n", error->message);
return -1;
}
g_option_context_free(context);
if (argc > 1) {
if (g_str_has_prefix(argv[1], "http://") ||
g_str_has_prefix(argv[1], "ftp://"))
pipeline_str = g_strdup_printf("%s uri=\"%s\"", PLAYBIN, argv[1]);
else if (argv[1][0] == '~')
pipeline_str = g_strdup_printf("%s uri=\"file://%s%s\"", PLAYBIN,
g_get_home_dir(), argv[1]+1);
else if (g_file_test(argv[1], G_FILE_TEST_IS_REGULAR))
pipeline_str = g_strdup_printf("playbin uri=\"file://%s\"", argv[1]);
else
pipeline_str = g_strdup_printf("%s uri=%s", PLAYBIN, DEFAULT_URI);
} else
pipeline_str = g_strdup_printf("%s uri=%s", PLAYBIN, DEFAULT_URI);
gst_init(&argc, &argv);
list = gst_registry_feature_filter(GET_PLUGIN_REGISTRY,
filter_vis_features, FALSE, NULL);
if (plugin_name == NULL)
plugin_name = "GOOM";
g_print("Available visualization plugins:\n");
for (walk = list; walk != NULL; walk = g_list_next(walk)) {
const gchar *name;
GstElementFactory *factory;
factory = GST_ELEMENT_FACTORY(walk->data);
name = gst_element_factory_get_longname(factory);
g_print(" %s\n", name);
if (selected_factory == NULL || g_str_has_prefix(name, plugin_name)) {
selected_factory = factory;
}
}
/* Don't use the factory if it's still empty */
/* e.g. no visualization plugins found */
if (!selected_factory) {
g_print("No visualization plugins found!\n");
return -1;
}
if (list_plugins == TRUE)
return 0;
g_print("Selected '%s'\n",
gst_element_factory_get_longname(selected_factory));
vis_plugin = gst_element_factory_create(selected_factory, NULL);
if (!vis_plugin)
return -1;
pipeline = gst_parse_launch(pipeline_str, NULL);
g_object_get(pipeline, "flags", &flags, NULL);
flags |= GST_PLAY_FLAG_VIS;
g_object_set(pipeline, "flags", flags, NULL);
g_object_set(pipeline, "vis-plugin", vis_plugin, NULL);
gst_element_set_state(pipeline, GST_STATE_PLAYING);
bus = gst_element_get_bus(pipeline);
msg = gst_bus_timed_pop_filtered(bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
if (msg != NULL)
gst_message_unref(msg);
gst_plugin_feature_list_free(list);
gst_object_unref(bus);
gst_element_set_state(pipeline, GST_STATE_NULL);
gst_object_unref(pipeline);
return 0;
}
/* creates/returns a list of CodecCap based on given filter function and caps */
static GList *
get_plugins_filtered_from_caps (FilterFunc filter,
GstCaps *caps,
GstPadDirection direction)
{
GList *walk, *result;
GList *list = NULL;
GstCaps *matched_caps = NULL;
result = gst_registry_get_feature_list (gst_registry_get (),
GST_TYPE_ELEMENT_FACTORY);
result = g_list_sort (result, (GCompareFunc) compare_ranks);
for (walk = result; walk; walk = walk->next)
{
GstElementFactory *factory = GST_ELEMENT_FACTORY (walk->data);
/* Ignore unranked plugins */
if (gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)) ==
GST_RANK_NONE)
continue;
if (!filter (factory))
continue;
if (caps && !check_caps_compatibility (factory, caps, &matched_caps))
continue;
if (!matched_caps)
{
list = create_codec_cap_list (factory, direction, list, NULL);
}
else
{
gint i;
GPtrArray *capslist = g_ptr_array_new_with_free_func (
(GDestroyNotify) gst_caps_unref);
while (gst_caps_get_size (matched_caps) > 0)
{
GstCaps *stolencaps = gst_caps_new_full (
gst_caps_steal_structure (matched_caps, 0), NULL);
gboolean got_match = FALSE;
for (i = 0; i < capslist->len; i++)
{
GstCaps *intersect = gst_caps_intersect (stolencaps,
g_ptr_array_index (capslist, i));
if (gst_caps_is_empty (intersect))
{
gst_caps_unref (intersect);
}
else
{
got_match = TRUE;
gst_caps_unref (g_ptr_array_index (capslist, i));
g_ptr_array_index (capslist, i) = intersect;
}
}
if (got_match)
gst_caps_unref (stolencaps);
else
g_ptr_array_add (capslist, stolencaps);
}
gst_caps_unref (matched_caps);
for (i = 0; i < capslist->len; i++)
list = create_codec_cap_list (factory, direction, list,
g_ptr_array_index (capslist, i));
g_ptr_array_unref (capslist);
}
}
gst_plugin_feature_list_free (result);
return list;
}
static gboolean
rsndec_factory_filter (GstPluginFeature * feature, RsnDecFactoryFilterCtx * ctx)
{
GstElementFactory *factory;
guint rank;
const gchar *klass;
const GList *templates;
GList *walk;
gboolean can_sink = FALSE;
/* we only care about element factories */
if (!GST_IS_ELEMENT_FACTORY (feature))
return FALSE;
factory = GST_ELEMENT_FACTORY (feature);
klass = gst_element_factory_get_klass (factory);
/* only decoders can play */
if (strstr (klass, "Decoder") == NULL)
return FALSE;
/* only select elements with autoplugging rank */
rank = gst_plugin_feature_get_rank (feature);
if (rank < GST_RANK_MARGINAL)
return FALSE;
/* See if the element has a sink pad that can possibly sink this caps */
/* get the templates from the element factory */
templates = gst_element_factory_get_static_pad_templates (factory);
for (walk = (GList *) templates; walk && !can_sink; walk = g_list_next (walk)) {
GstStaticPadTemplate *templ = walk->data;
/* we only care about the sink templates */
if (templ->direction == GST_PAD_SINK) {
GstCaps *intersect;
GstCaps *tmpl_caps;
/* try to intersect the caps with the caps of the template */
tmpl_caps = gst_static_caps_get (&templ->static_caps);
intersect = gst_caps_intersect (ctx->desired_caps, tmpl_caps);
gst_caps_unref (tmpl_caps);
/* check if the intersection is empty */
if (!gst_caps_is_empty (intersect)) {
/* non empty intersection, we can use this element */
can_sink = TRUE;
ctx->decoder_caps = gst_caps_merge (ctx->decoder_caps, intersect);
} else
gst_caps_unref (intersect);
}
}
if (can_sink) {
GST_DEBUG ("Found decoder element %s (%s)",
gst_element_factory_get_longname (factory),
gst_plugin_feature_get_name (feature));
}
return can_sink;
}
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");
}
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");
}
GstElement *
create_codec_bin_from_blueprint (const FsCodec *codec,
CodecBlueprint *blueprint, const gchar *name, gboolean is_send,
GError **error)
{
GstElement *codec_bin = NULL;
gchar *direction_str = (is_send == TRUE) ? "send" : "receive";
GList *walk = NULL;
GstElement *current_element = NULL;
GstElement *previous_element = NULL;
GList *pipeline_factory = NULL;
if (is_send)
pipeline_factory = blueprint->send_pipeline_factory;
else
pipeline_factory = blueprint->receive_pipeline_factory;
if (!pipeline_factory)
{
g_set_error (error, FS_ERROR, FS_ERROR_UNKNOWN_CODEC,
"The %s codec %s does not have a pipeline,"
" its probably a special codec",
fs_media_type_to_string (codec->media_type),
codec->encoding_name);
return NULL;
}
GST_DEBUG ("creating %s codec bin for id %d, pipeline_factory %p",
direction_str, codec->id, pipeline_factory);
if (is_send)
codec_bin = gst_bin_new (name);
else
codec_bin = fs_rtp_bin_error_downgrade_new (name);
for (walk = g_list_first (pipeline_factory); walk; walk = g_list_next (walk))
{
if (g_list_next (g_list_first (walk->data)))
{
/* We have to check some kind of configuration to see if we have a
favorite */
current_element = gst_element_factory_make ("autoconvert", NULL);
if (!current_element)
{
g_set_error (error, FS_ERROR, FS_ERROR_CONSTRUCTION,
"Could not create autoconvert element");
goto error;
}
g_object_set (current_element, "factories", walk->data, NULL);
} else {
current_element =
gst_element_factory_create (
GST_ELEMENT_FACTORY (g_list_first (walk->data)->data), NULL);
if (!current_element)
{
g_set_error (error, FS_ERROR, FS_ERROR_CONSTRUCTION,
"Could not create element for pt %d", codec->id);
goto error;
}
}
if (!gst_bin_add (GST_BIN (codec_bin), current_element))
{
g_set_error (error, FS_ERROR, FS_ERROR_CONSTRUCTION,
"Could not add new element to %s codec_bin for pt %d",
direction_str, codec->id);
goto error;
}
if (_g_object_has_property (G_OBJECT (current_element), "pt"))
g_object_set (current_element, "pt", codec->id,
NULL);
/* Lets create the ghost pads on the codec bin */
if (g_list_previous (walk) == NULL)
/* if its the first element of the codec bin */
if (!_create_ghost_pad (current_element,
is_send ? "src" : "sink", codec_bin, error))
goto error;
if (g_list_next (walk) == NULL)
/* if its the last element of the codec bin */
if (!_create_ghost_pad (current_element,
is_send ? "sink" : "src" , codec_bin, error))
goto error;
/* let's link them together using the specified media_caps if any
* this will ensure that multi-codec encoders/decoders will select the
* appropriate codec based on caps negotiation */
if (previous_element)
{
GstPad *sinkpad;
GstPad *srcpad;
GstPadLinkReturn ret;
if (is_send)
sinkpad = gst_element_get_static_pad (previous_element, "sink");
else
sinkpad = gst_element_get_static_pad (current_element, "sink");
if (!sinkpad)
{
g_set_error (error, FS_ERROR, FS_ERROR_CONSTRUCTION,
"Could not get the sink pad one of the elements in the %s codec bin"
" for pt %d", direction_str, codec->id);
goto error;
}
if (is_send)
srcpad = gst_element_get_static_pad (current_element, "src");
else
srcpad = gst_element_get_static_pad (previous_element, "src");
if (!srcpad)
{
g_set_error (error, FS_ERROR, FS_ERROR_CONSTRUCTION,
"Could not get the src pad one of the elements in the %s codec bin"
" for pt %d", direction_str, codec->id);
gst_object_unref (sinkpad);
goto error;
}
ret = gst_pad_link (srcpad, sinkpad);
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
if (GST_PAD_LINK_FAILED (ret))
{
g_set_error (error, FS_ERROR, FS_ERROR_CONSTRUCTION,
"Could not link element inside the %s codec bin for pt %d",
direction_str, codec->id);
goto error;
}
}
previous_element = current_element;
}
return codec_bin;
error:
gst_object_unref (codec_bin);
return NULL;
}
// This function creates and initializes some internal variables, and returns a
// pointer to the element that should receive the data flow first
GstElement* MediaPlayerPrivateGStreamerBase::createVideoSink(GstElement* pipeline)
{
if (!initializeGStreamer())
return 0;
#if USE(NATIVE_FULLSCREEN_VIDEO)
m_gstGWorld = GStreamerGWorld::createGWorld(pipeline);
m_webkitVideoSink = webkitVideoSinkNew(m_gstGWorld.get());
#else
UNUSED_PARAM(pipeline);
m_webkitVideoSink = webkitVideoSinkNew();
#endif
m_repaintHandler = g_signal_connect(m_webkitVideoSink.get(), "repaint-requested", G_CALLBACK(mediaPlayerPrivateRepaintCallback), this);
#if USE(NATIVE_FULLSCREEN_VIDEO)
// Build a new video sink consisting of a bin containing a tee
// (meant to distribute data to multiple video sinks) and our
// internal video sink. For fullscreen we create an autovideosink
// and initially block the data flow towards it and configure it
m_videoSinkBin = gst_bin_new("video-sink");
GstElement* videoTee = gst_element_factory_make("tee", "videoTee");
GstElement* queue = gst_element_factory_make("queue", 0);
#ifdef GST_API_VERSION_1
GRefPtr<GstPad> sinkPad = adoptGRef(gst_element_get_static_pad(videoTee, "sink"));
GST_OBJECT_FLAG_SET(GST_OBJECT(sinkPad.get()), GST_PAD_FLAG_PROXY_ALLOCATION);
#endif
gst_bin_add_many(GST_BIN(m_videoSinkBin.get()), videoTee, queue, NULL);
// Link a new src pad from tee to queue1.
gst_element_link_pads_full(videoTee, 0, queue, "sink", GST_PAD_LINK_CHECK_NOTHING);
#endif
GstElement* actualVideoSink = 0;
m_fpsSink = gst_element_factory_make("fpsdisplaysink", "sink");
if (m_fpsSink) {
// The verbose property has been added in -bad 0.10.22. Making
// this whole code depend on it because we don't want
// fpsdiplaysink to spit data on stdout.
GstElementFactory* factory = GST_ELEMENT_FACTORY(GST_ELEMENT_GET_CLASS(m_fpsSink)->elementfactory);
if (gst_plugin_feature_check_version(GST_PLUGIN_FEATURE(factory), 0, 10, 22)) {
g_object_set(m_fpsSink, "silent", TRUE , NULL);
// Turn off text overlay unless logging is enabled.
#if LOG_DISABLED
g_object_set(m_fpsSink, "text-overlay", FALSE , NULL);
#else
WTFLogChannel* channel = getChannelFromName("Media");
if (channel->state != WTFLogChannelOn)
g_object_set(m_fpsSink, "text-overlay", FALSE , NULL);
#endif // LOG_DISABLED
if (g_object_class_find_property(G_OBJECT_GET_CLASS(m_fpsSink), "video-sink")) {
g_object_set(m_fpsSink, "video-sink", m_webkitVideoSink.get(), NULL);
#if USE(NATIVE_FULLSCREEN_VIDEO)
gst_bin_add(GST_BIN(m_videoSinkBin.get()), m_fpsSink);
#endif
actualVideoSink = m_fpsSink;
} else
m_fpsSink = 0;
} else
m_fpsSink = 0;
}
if (!m_fpsSink) {
#if USE(NATIVE_FULLSCREEN_VIDEO)
gst_bin_add(GST_BIN(m_videoSinkBin.get()), m_webkitVideoSink.get());
#endif
actualVideoSink = m_webkitVideoSink.get();
}
ASSERT(actualVideoSink);
#if USE(NATIVE_FULLSCREEN_VIDEO)
// Faster elements linking.
gst_element_link_pads_full(queue, "src", actualVideoSink, "sink", GST_PAD_LINK_CHECK_NOTHING);
// Add a ghostpad to the bin so it can proxy to tee.
GRefPtr<GstPad> pad = adoptGRef(gst_element_get_static_pad(videoTee, "sink"));
gst_element_add_pad(m_videoSinkBin.get(), gst_ghost_pad_new("sink", pad.get()));
// Set the bin as video sink of playbin.
return m_videoSinkBin.get();
#else
return actualVideoSink;
#endif
}
static void
try_to_plug (GstPad *pad,
const GstCaps *caps)
{
GstObject *parent = GST_OBJECT (GST_OBJECT_PARENT (pad));
const gchar *mime;
const GList *item;
GstCaps *res, *audiocaps;
/* don't plug if we're already plugged - FIXME: memleak for pad */
if (GST_PAD_IS_LINKED (gst_element_get_pad (audiosink, "sink"))) {
g_print ("Omitting link for pad %s:%s because we're already linked\n",
GST_OBJECT_NAME (parent), GST_OBJECT_NAME (pad));
return;
}
/* as said above, we only try to plug audio... Omit video */
mime = gst_structure_get_name (gst_caps_get_structure (caps, 0));
if (g_strrstr (mime, "video")) {
g_print ("Omitting link for pad %s:%s because mimetype %s is non-audio\n",
GST_OBJECT_NAME (parent), GST_OBJECT_NAME (pad), mime);
return;
}
/* can it link to the audiopad? */
audiocaps = gst_pad_get_caps (gst_element_get_pad (audiosink, "sink"));
res = gst_caps_intersect (caps, audiocaps);
if (res && !gst_caps_is_empty (res)) {
g_print ("Found pad to link to audiosink - plugging is now done\n");
close_link (pad, audiosink, "sink", NULL);
gst_caps_unref (audiocaps);
gst_caps_unref (res);
return;
}
gst_caps_unref (audiocaps);
gst_caps_unref (res);
/* try to plug from our list */
for (item = factories; item != NULL; item = item->next) {
GstElementFactory *factory = GST_ELEMENT_FACTORY (item->data);
const GList *pads;
for (pads = gst_element_factory_get_static_pad_templates (factory);
pads != NULL; pads = pads->next) {
GstStaticPadTemplate *templ = pads->data;
/* find the sink template - need an always pad*/
if (templ->direction != GST_PAD_SINK ||
templ->presence != GST_PAD_ALWAYS) {
continue;
}
/* can it link? */
res = gst_caps_intersect (caps,
gst_static_caps_get (&templ->static_caps));
if (res && !gst_caps_is_empty (res)) {
GstElement *element;
gchar *name_template = g_strdup (templ->name_template);
/* close link and return */
gst_caps_unref (res);
element = gst_element_factory_create (factory, NULL);
close_link (pad, element, name_template,
gst_element_factory_get_static_pad_templates (factory));
g_free (name_template);
return;
}
gst_caps_unref (res);
/* we only check one sink template per factory, so move on to the
* next factory now */
break;
}
}
/* if we get here, no item was found */
g_print ("No compatible pad found to decode %s on %s:%s\n",
mime, GST_OBJECT_NAME (parent), GST_OBJECT_NAME (pad));
}