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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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d78215be9d
Original commit message from CVS: More Caps changes, this change introduces the padfactory. the GstPadFactory will be used to describe the pads that an element will contain during its lifetime. mpg123 and mp3parse serve as an example. More XML changes to incorporate the padfactories.
121 lines
2.2 KiB
C
121 lines
2.2 KiB
C
#include <gst/gst.h>
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static void
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dump_plugins (void)
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{
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GList *plugins;
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plugins = gst_plugin_get_list ();
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while (plugins) {
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GstPlugin *plugin = (GstPlugin *)plugins->data;
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g_print ("plugin: %s, loaded %d\n", plugin->name, plugin->loaded);
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plugins = g_list_next (plugins);
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}
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}
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static void
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dump_factories (void)
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{
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GList *factories;
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factories = gst_elementfactory_get_list ();
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while (factories) {
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GstElementFactory *factory = (GstElementFactory *)factories->data;
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g_print ("factory: %s\n", factory->name);
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factories = g_list_next (factories);
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}
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}
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static void
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dump_types (void)
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{
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GList *types;
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types = gst_type_get_list ();
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while (types) {
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GstType *factory = (GstType *)types->data;
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g_print ("type: %s %d\n", factory->mime, factory->id);
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types = g_list_next (types);
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}
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}
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static void
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load_something (gchar *name)
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{
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GstElementFactory *factory;
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GstElement *element;
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factory = gst_elementfactory_find ("foo");
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g_print ("factory \"foo\" %s\n", (factory?"found":"not found"));
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factory = gst_elementfactory_find (name);
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g_print ("factory \"%s\" %s\n", name, (factory?"found":"not found"));
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element = gst_elementfactory_create (factory, "test");
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g_print ("element \"%s\" %s\n", name, (element?"found":"not found"));
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}
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static void
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print_some_providers (gchar *mime)
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{
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guint16 type;
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GList *srcs, *sinks;
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type = gst_type_find_by_mime (mime);
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srcs = gst_type_get_srcs (type);
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while (srcs) {
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GstElementFactory *factory;
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factory = (GstElementFactory *) srcs->data;
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g_print ("factory src: \"%s\"\n", factory->name);
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srcs = g_list_next (srcs);
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}
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sinks = gst_type_get_sinks (type);
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while (sinks) {
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GstElementFactory *factory;
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factory = (GstElementFactory *) sinks->data;
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g_print ("factory sink: \"%s\"\n", factory->name);
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sinks = g_list_next (sinks);
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}
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}
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int main(int argc,char *argv[])
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{
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gst_init(&argc,&argv);
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dump_plugins ();
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dump_factories ();
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dump_types ();
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gst_type_dump ();
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print_some_providers ("audio/mp3");
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load_something ("mpg123");
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print_some_providers ("audio/mp3");
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gst_type_dump ();
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load_something ("mpg123");
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dump_plugins ();
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dump_factories ();
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dump_types ();
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gst_type_dump ();
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}
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