--- /dev/null
+/* GStreamer
+ *
+ * Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
+ * Copyright (C) 2007 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstgio.h"
+#include "gstgiosink.h"
+#include "gstgiosrc.h"
+#include "gstgiostreamsink.h"
+#include "gstgiostreamsrc.h"
+
+#include <string.h>
+
+GST_DEBUG_CATEGORY_STATIC (gst_gio_debug);
+#define GST_CAT_DEFAULT gst_gio_debug
+
+/* @func_name: Name of the GIO function, for debugging messages.
+ * @err: Error location. *err may be NULL, but err must be non-NULL.
+ * @ret: Flow return location. May be NULL. Is set to either #GST_FLOW_ERROR
+ * or #GST_FLOW_WRONG_STATE.
+ *
+ * Returns: TRUE to indicate a handled error. Error at given location err will
+ * be freed and *err will be set to NULL. A FALSE return indicates an unhandled
+ * error: The err location is unchanged and guaranteed to be != NULL. ret, if
+ * given, is set to GST_FLOW_ERROR.
+ */
+gboolean
+gst_gio_error (gpointer element, const gchar * func_name, GError ** err,
+ GstFlowReturn * ret)
+{
+ gboolean handled = TRUE;
+
+ if (ret)
+ *ret = GST_FLOW_ERROR;
+
+ if (GST_GIO_ERROR_MATCHES (*err, CANCELLED)) {
+ GST_DEBUG_OBJECT (element, "blocking I/O call cancelled (%s)", func_name);
+ if (ret)
+ *ret = GST_FLOW_WRONG_STATE;
+ } else if (*err != NULL) {
+ handled = FALSE;
+ } else {
+ GST_ELEMENT_ERROR (element, LIBRARY, FAILED, (NULL),
+ ("%s call failed without error set", func_name));
+ }
+
+ if (handled)
+ g_clear_error (err);
+
+ return handled;
+}
+
+GstFlowReturn
+gst_gio_seek (gpointer element, GSeekable * stream, guint64 offset,
+ GCancellable * cancel)
+{
+ gboolean success;
+ GstFlowReturn ret;
+ GError *err = NULL;
+
+ GST_LOG_OBJECT (element, "seeking to offset %" G_GINT64_FORMAT, offset);
+
+ success = g_seekable_seek (stream, offset, G_SEEK_SET, cancel, &err);
+
+ if (success)
+ ret = GST_FLOW_OK;
+ else if (!gst_gio_error (element, "g_seekable_seek", &err, &ret)) {
+ GST_ELEMENT_ERROR (element, RESOURCE, SEEK, (NULL),
+ ("Could not seek: %s", err->message));
+ g_clear_error (&err);
+ }
+
+ return ret;
+}
+
+static gpointer
+_internal_get_supported_protocols (gpointer data)
+{
+ const gchar *const *schemes;
+ gchar **our_schemes;
+ guint num;
+ gint i, j;
+
+ schemes = g_vfs_get_supported_uri_schemes (g_vfs_get_default ());
+ num = g_strv_length ((gchar **) schemes);
+
+ if (num == 0) {
+ GST_WARNING ("No GIO supported URI schemes found");
+ return NULL;
+ }
+
+ our_schemes = g_new0 (gchar *, num + 1);
+
+ /* - Filter http/https as we can't support the icy stuff with GIO.
+ * Use souphttpsrc if you need that.
+ * - Filter cdda as it doesn't support musicbrainz stuff and everything
+ * else one expects from a cdda source. Use cdparanoiasrc or cdiosrc
+ * for cdda.
+ */
+ for (i = 0, j = 0; i < num; i++) {
+ if (strcmp (schemes[i], "http") == 0 || strcmp (schemes[i], "https") == 0
+ || strcmp (schemes[i], "cdda") == 0)
+ continue;
+
+ our_schemes[j] = g_strdup (schemes[i]);
+ j++;
+ }
+
+ return our_schemes;
+}
+
+static gchar **
+gst_gio_get_supported_protocols (void)
+{
+ static GOnce once = G_ONCE_INIT;
+
+ g_once (&once, _internal_get_supported_protocols, NULL);
+ return (gchar **) once.retval;
+}
+
+static GstURIType
+gst_gio_uri_handler_get_type_sink (void)
+{
+ return GST_URI_SINK;
+}
+
+static GstURIType
+gst_gio_uri_handler_get_type_src (void)
+{
+ return GST_URI_SRC;
+}
+
+static gchar **
+gst_gio_uri_handler_get_protocols (void)
+{
+ static gchar **protocols = NULL;
+
+ if (!protocols)
+ protocols = gst_gio_get_supported_protocols ();
+
+ return protocols;
+}
+
+static const gchar *
+gst_gio_uri_handler_get_uri (GstURIHandler * handler)
+{
+ GstElement *element = GST_ELEMENT (handler);
+ const gchar *uri;
+
+ g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
+
+ g_object_get (G_OBJECT (element), "location", &uri, NULL);
+
+ return uri;
+}
+
+static gboolean
+gst_gio_uri_handler_set_uri (GstURIHandler * handler, const gchar * uri)
+{
+ GstElement *element = GST_ELEMENT (handler);
+
+ g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
+
+ if (GST_STATE (element) == GST_STATE_PLAYING ||
+ GST_STATE (element) == GST_STATE_PAUSED)
+ return FALSE;
+
+ g_object_set (G_OBJECT (element), "location", uri, NULL);
+
+ return TRUE;
+}
+
+static void
+gst_gio_uri_handler_init (gpointer g_iface, gpointer iface_data)
+{
+ GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
+ gboolean sink = GPOINTER_TO_INT (iface_data); /* See in do_init below. */
+
+ if (sink)
+ iface->get_type = gst_gio_uri_handler_get_type_sink;
+ else
+ iface->get_type = gst_gio_uri_handler_get_type_src;
+ iface->get_protocols = gst_gio_uri_handler_get_protocols;
+ iface->get_uri = gst_gio_uri_handler_get_uri;
+ iface->set_uri = gst_gio_uri_handler_set_uri;
+}
+
+void
+gst_gio_uri_handler_do_init (GType type)
+{
+ GInterfaceInfo uri_handler_info = {
+ gst_gio_uri_handler_init,
+ NULL,
+ NULL
+ };
+
+ /* Store information for uri_handler_init to use for distinguishing the
+ * element types. This lets us use a single interface implementation for both
+ * classes. */
+ uri_handler_info.interface_data = GINT_TO_POINTER (g_type_is_a (type,
+ GST_TYPE_BASE_SINK));
+
+ g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &uri_handler_info);
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ gboolean ret = TRUE;
+
+ GST_DEBUG_CATEGORY_INIT (gst_gio_debug, "gio", 0, "GIO elements");
+
+ gst_plugin_add_dependency_simple (plugin, NULL, GIO_MODULE_DIR, NULL,
+ GST_PLUGIN_DEPENDENCY_FLAG_NONE);
+ gst_plugin_add_dependency_simple (plugin, "LD_LIBRARY_PATH", GIO_LIBDIR,
+ "gvfsd", GST_PLUGIN_DEPENDENCY_FLAG_NONE);
+
+ /* FIXME: Rank is MARGINAL for now, should be at least SECONDARY+1 in the future
+ * to replace gnomevfssink/src. For testing purposes PRIMARY+1 one makes sense
+ * so it gets autoplugged and preferred over filesrc/sink. */
+
+ ret &= gst_element_register (plugin, "giosink", GST_RANK_SECONDARY,
+ GST_TYPE_GIO_SINK);
+
+ ret &= gst_element_register (plugin, "giosrc", GST_RANK_SECONDARY,
+ GST_TYPE_GIO_SRC);
+
+ ret &= gst_element_register (plugin, "giostreamsink", GST_RANK_NONE,
+ GST_TYPE_GIO_STREAM_SINK);
+
+ ret &= gst_element_register (plugin, "giostreamsrc", GST_RANK_NONE,
+ GST_TYPE_GIO_STREAM_SRC);
+
+ return ret;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "gio",
+ "GIO elements", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME,
+ GST_PACKAGE_ORIGIN)
projects / mafwsubrenderer / blobdiff