--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/ext/gio/gstgiosrc.c Wed Sep 01 12:16:41 2010 +0100
@@ -0,0 +1,238 @@
+/* GStreamer
+ *
+ * Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
+ * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
+ *
+ * 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.
+ */
+
+/**
+ * SECTION:element-giosrc
+ * @short_description: Read from any GIO-supported location
+ * @see_also: #GstFileSrc, #GstGnomeVFSSrc, #GstGioSink
+ *
+ * <refsect2>
+ * <para>
+ * This plugin reads data from a local or remote location specified
+ * by an URI. This location can be specified using any protocol supported by
+ * the GIO library or it's VFS backends. Common protocols are 'file', 'http',
+ * 'ftp', or 'smb'.
+ * </para>
+ * <para>
+ * Example pipeline:
+ * <programlisting>
+ * gst-launch -v giosrc location=file:///home/joe/foo.xyz ! fakesink
+ * </programlisting>
+ * The above pipeline will simply read a local file and do nothing with the
+ * data read. Instead of giosrc, we could just as well have used the
+ * filesrc element here.
+ * </para>
+ * <para>
+ * Another example pipeline:
+ * <programlisting>
+ * gst-launch -v giosrc location=smb://othercomputer/foo.xyz ! filesink location=/home/joe/foo.xyz
+ * </programlisting>
+ * The above pipeline will copy a file from a remote host to the local file
+ * system using the Samba protocol.
+ * </para>
+ * <para>
+ * Yet another example pipeline:
+ * <programlisting>
+ * gst-launch -v giosrc location=http://music.foobar.com/demo.mp3 ! mad ! audioconvert ! audioresample ! alsasink
+ * </programlisting>
+ * The above pipeline will read and decode and play an mp3 file from a
+ * web server using the http protocol.
+ * </para>
+ * </refsect2>
+ */
+
+/* FIXME: We would like to mount the enclosing volume of an URL
+ * if it isn't mounted yet but this is possible async-only.
+ * Unfortunately this requires a running main loop from the
+ * default context and we can't guarantuee this!
+ *
+ * We would also like to do authentication while mounting.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gstgiosrc.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_gio_src_debug);
+#define GST_CAT_DEFAULT gst_gio_src_debug
+
+enum
+{
+ ARG_0,
+ ARG_LOCATION
+};
+
+GST_BOILERPLATE_FULL (GstGioSrc, gst_gio_src, GstGioBaseSrc,
+ GST_TYPE_GIO_BASE_SRC, gst_gio_uri_handler_do_init);
+
+static void gst_gio_src_finalize (GObject * object);
+static void gst_gio_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_gio_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static gboolean gst_gio_src_start (GstBaseSrc * base_src);
+
+static void
+gst_gio_src_base_init (gpointer gclass)
+{
+ static GstElementDetails element_details = {
+ "GIO source",
+ "Source/File",
+ "Read from any GIO-supported location",
+ "Ren\xc3\xa9 Stadler <mail@renestadler.de>, "
+ "Sebastian Dröge <slomo@circular-chaos.org>"
+ };
+ GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
+
+ GST_DEBUG_CATEGORY_INIT (gst_gio_src_debug, "gio_src", 0, "GIO source");
+
+ gst_element_class_set_details (element_class, &element_details);
+}
+
+static void
+gst_gio_src_class_init (GstGioSrcClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSrcClass *gstbasesrc_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesrc_class = (GstBaseSrcClass *) klass;
+
+ gobject_class->finalize = gst_gio_src_finalize;
+ gobject_class->set_property = gst_gio_src_set_property;
+ gobject_class->get_property = gst_gio_src_get_property;
+
+ g_object_class_install_property (gobject_class, ARG_LOCATION,
+ g_param_spec_string ("location", "Location", "URI location to read from",
+ NULL, G_PARAM_READWRITE));
+
+ gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_gio_src_start);
+}
+
+static void
+gst_gio_src_init (GstGioSrc * src, GstGioSrcClass * gclass)
+{
+}
+
+static void
+gst_gio_src_finalize (GObject * object)
+{
+ GstGioSrc *src = GST_GIO_SRC (object);
+
+ if (src->location) {
+ g_free (src->location);
+ src->location = NULL;
+ }
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
+}
+
+static void
+gst_gio_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstGioSrc *src = GST_GIO_SRC (object);
+
+ switch (prop_id) {
+ case ARG_LOCATION:
+ if (GST_STATE (src) == GST_STATE_PLAYING ||
+ GST_STATE (src) == GST_STATE_PAUSED)
+ break;
+
+ g_free (src->location);
+ src->location = g_strdup (g_value_get_string (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_gio_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstGioSrc *src = GST_GIO_SRC (object);
+
+ switch (prop_id) {
+ case ARG_LOCATION:
+ g_value_set_string (value, src->location);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_gio_src_start (GstBaseSrc * base_src)
+{
+ GstGioSrc *src = GST_GIO_SRC (base_src);
+ GFile *file;
+ GError *err = NULL;
+ GInputStream *stream;
+ GCancellable *cancel = GST_GIO_BASE_SRC (src)->cancel;
+
+ if (src->location == NULL) {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), ("No location given"));
+ return FALSE;
+ }
+
+ file = g_file_new_for_uri (src->location);
+
+ if (file == NULL) {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
+ ("Malformed URI or protocol not supported (%s)", src->location));
+ return FALSE;
+ }
+
+ stream = G_INPUT_STREAM (g_file_read (file, cancel, &err));
+
+ g_object_unref (file);
+
+ if (stream == NULL && !gst_gio_error (src, "g_file_read", &err, NULL)) {
+
+ if (GST_GIO_ERROR_MATCHES (err, NOT_FOUND)) {
+ GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL),
+ ("Could not open location %s for reading: %s",
+ src->location, err->message));
+ } else {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
+ ("Could not open location %s for reading: %s",
+ src->location, err->message));
+ }
+
+ g_clear_error (&err);
+ return FALSE;
+ } else if (stream == NULL) {
+ return FALSE;
+ }
+
+ gst_gio_base_src_set_stream (GST_GIO_BASE_SRC (src), stream);
+
+ GST_DEBUG_OBJECT (src, "opened location %s", src->location);
+
+ return GST_BASE_SRC_CLASS (parent_class)->start (base_src);
+}