--- /dev/null
+/* GStreamer
+ * Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
+ *
+ * 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.
+ */
+
+#include "rtsp-media-factory-uri.h"
+
+#define DEFAULT_URI NULL
+
+enum
+{
+ PROP_0,
+ PROP_URI,
+ PROP_LAST
+};
+
+static const gchar *factory_key = "GstRTSPMediaFactoryURI";
+
+GST_DEBUG_CATEGORY (rtsp_media_factory_uri_debug);
+#define GST_CAT_DEFAULT rtsp_media_factory_uri_debug
+
+static void gst_rtsp_media_factory_uri_get_property (GObject * object,
+ guint propid, GValue * value, GParamSpec * pspec);
+static void gst_rtsp_media_factory_uri_set_property (GObject * object,
+ guint propid, const GValue * value, GParamSpec * pspec);
+static void gst_rtsp_media_factory_uri_finalize (GObject * obj);
+
+static GstElement *rtsp_media_factory_uri_get_element (GstRTSPMediaFactory *
+ factory, const GstRTSPUrl * url);
+
+G_DEFINE_TYPE (GstRTSPMediaFactoryURI, gst_rtsp_media_factory_uri,
+ GST_TYPE_RTSP_MEDIA_FACTORY);
+
+static void
+gst_rtsp_media_factory_uri_class_init (GstRTSPMediaFactoryURIClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstRTSPMediaFactoryClass *mediafactory_class;
+
+ gobject_class = G_OBJECT_CLASS (klass);
+ mediafactory_class = GST_RTSP_MEDIA_FACTORY_CLASS (klass);
+
+ gobject_class->get_property = gst_rtsp_media_factory_uri_get_property;
+ gobject_class->set_property = gst_rtsp_media_factory_uri_set_property;
+ gobject_class->finalize = gst_rtsp_media_factory_uri_finalize;
+
+ /**
+ * GstRTSPMediaFactoryURI::uri
+ *
+ * The uri of the resource that will be served by this factory.
+ */
+ g_object_class_install_property (gobject_class, PROP_URI,
+ g_param_spec_string ("uri", "URI",
+ "The URI of the resource to stream", DEFAULT_URI,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ mediafactory_class->get_element = rtsp_media_factory_uri_get_element;
+
+ GST_DEBUG_CATEGORY_INIT (rtsp_media_factory_uri_debug, "rtspmediafactoryuri",
+ 0, "GstRTSPMediaFactoryUri");
+}
+
+static void
+gst_rtsp_media_factory_uri_init (GstRTSPMediaFactoryURI * factory)
+{
+ factory->uri = g_strdup (DEFAULT_URI);
+ factory->factories =
+ gst_element_factory_list_get_elements (GST_ELEMENT_FACTORY_TYPE_PAYLOADER,
+ GST_RANK_NONE);
+}
+
+static void
+gst_rtsp_media_factory_uri_finalize (GObject * obj)
+{
+ GstRTSPMediaFactoryURI *factory = GST_RTSP_MEDIA_FACTORY_URI (obj);
+
+ g_free (factory->uri);
+ gst_plugin_feature_list_free (factory->factories);
+
+ G_OBJECT_CLASS (gst_rtsp_media_factory_uri_parent_class)->finalize (obj);
+}
+
+static void
+gst_rtsp_media_factory_uri_get_property (GObject * object, guint propid,
+ GValue * value, GParamSpec * pspec)
+{
+ GstRTSPMediaFactoryURI *factory = GST_RTSP_MEDIA_FACTORY_URI (object);
+
+ switch (propid) {
+ case PROP_URI:
+ g_value_take_string (value, gst_rtsp_media_factory_uri_get_uri (factory));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
+ }
+}
+
+static void
+gst_rtsp_media_factory_uri_set_property (GObject * object, guint propid,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstRTSPMediaFactoryURI *factory = GST_RTSP_MEDIA_FACTORY_URI (object);
+
+ switch (propid) {
+ case PROP_URI:
+ gst_rtsp_media_factory_uri_set_uri (factory, g_value_get_string (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
+ }
+}
+
+/**
+ * gst_rtsp_media_factory_uri_new:
+ *
+ * Create a new #GstRTSPMediaFactoryURI instance.
+ *
+ * Returns: a new #GstRTSPMediaFactoryURI object.
+ */
+GstRTSPMediaFactoryURI *
+gst_rtsp_media_factory_uri_new (void)
+{
+ GstRTSPMediaFactoryURI *result;
+
+ result = g_object_new (GST_TYPE_RTSP_MEDIA_FACTORY_URI, NULL);
+
+ return result;
+}
+
+/**
+ * gst_rtsp_media_factory_uri_set_uri:
+ * @factory: a #GstRTSPMediaFactory
+ * @uri: the uri the stream
+ *
+ * Set the URI of the resource that will be streamed by this factory.
+ */
+void
+gst_rtsp_media_factory_uri_set_uri (GstRTSPMediaFactoryURI * factory,
+ const gchar * uri)
+{
+ g_return_if_fail (GST_IS_RTSP_MEDIA_FACTORY_URI (factory));
+ g_return_if_fail (uri != NULL);
+
+ GST_RTSP_MEDIA_FACTORY_LOCK (factory);
+ g_free (factory->uri);
+ factory->uri = g_strdup (uri);
+ GST_RTSP_MEDIA_FACTORY_UNLOCK (factory);
+}
+
+/**
+ * gst_rtsp_media_factory_uri_get_uri:
+ * @factory: a #GstRTSPMediaFactory
+ *
+ * Get the URI that will provide media for this factory.
+ *
+ * Returns: the configured URI. g_free() after usage.
+ */
+gchar *
+gst_rtsp_media_factory_uri_get_uri (GstRTSPMediaFactoryURI * factory)
+{
+ gchar *result;
+
+ g_return_val_if_fail (GST_IS_RTSP_MEDIA_FACTORY_URI (factory), NULL);
+
+ GST_RTSP_MEDIA_FACTORY_LOCK (factory);
+ result = g_strdup (factory->uri);
+ GST_RTSP_MEDIA_FACTORY_UNLOCK (factory);
+
+ return result;
+}
+
+static GstElementFactory *
+find_payloader (GstRTSPMediaFactoryURI * urifact, GstCaps * caps)
+{
+ GList *list, *tmp;
+ GstElementFactory *factory = NULL;
+
+ /* find payloader that can link */
+ list = gst_element_factory_list_filter (urifact->factories, caps,
+ GST_PAD_SINK, FALSE);
+
+ for (tmp = list; tmp; tmp = g_list_next (tmp)) {
+ GstElementFactory *f = GST_ELEMENT_FACTORY_CAST (tmp->data);
+ const gchar *name;
+
+ name = gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (f));
+ if (strcmp (name, "gdppay") == 0)
+ continue;
+
+ factory = f;
+ break;
+ }
+ if (factory)
+ g_object_ref (factory);
+
+ gst_plugin_feature_list_free (list);
+
+ return factory;
+}
+
+static gboolean
+autoplug_continue_cb (GstElement * uribin, GstPad * pad, GstCaps * caps,
+ GstElement * element)
+{
+ GList *list, *tmp;
+ GstRTSPMediaFactoryURI *urifact;
+ GstElementFactory *factory;
+ gboolean res;
+
+ GST_DEBUG ("found pad %s:%s of caps %" GST_PTR_FORMAT,
+ GST_DEBUG_PAD_NAME (pad), caps);
+
+ urifact = g_object_get_data (G_OBJECT (element), factory_key);
+
+ if (!(factory = find_payloader (urifact, caps)))
+ goto no_factory;
+
+ /* we found a payloader, stop autoplugging */
+ GST_DEBUG ("found payloader factory %s",
+ gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)));
+ gst_object_unref (factory);
+
+ return FALSE;
+
+ /* ERRORS */
+no_factory:
+ {
+ /* no payloader, continue autoplugging */
+ GST_DEBUG ("no payloader found");
+ return TRUE;
+ }
+}
+
+static void
+pad_added_cb (GstElement * uribin, GstPad * pad, GstElement * element)
+{
+ GstRTSPMediaFactoryURI *urifact;
+ GstElementFactory *factory;
+ GstElement *payloader;
+ GstCaps *caps;
+ GstPad *sinkpad, *srcpad, *ghostpad;
+
+ GST_DEBUG ("added pad %s:%s", GST_DEBUG_PAD_NAME (pad));
+
+ /* link the element now and expose the pad */
+ urifact = g_object_get_data (G_OBJECT (element), factory_key);
+
+ caps = gst_pad_get_caps (pad);
+ if (caps == NULL)
+ goto no_caps;
+
+ if (!(factory = find_payloader (urifact, caps)))
+ goto no_factory;
+
+ gst_caps_unref (caps);
+
+ /* we have a payloader now */
+ GST_DEBUG ("found payloader factory %s",
+ gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)));
+
+ payloader = gst_element_factory_create (factory, NULL);
+ if (payloader == NULL)
+ goto no_payloader;
+
+ /* add the payloader to the pipeline */
+ gst_bin_add (GST_BIN_CAST (element), payloader);
+
+ gst_element_set_state (payloader, GST_STATE_PLAYING);
+
+ /* link the pad to the sinkpad of the payloader */
+ sinkpad = gst_element_get_static_pad (payloader, "sink");
+ gst_pad_link (pad, sinkpad);
+ gst_object_unref (sinkpad);
+
+ /* now expose the srcpad of the payloader as a ghostpad with the same name
+ * as the uridecodebin pad name. */
+ srcpad = gst_element_get_static_pad (payloader, "src");
+ ghostpad = gst_ghost_pad_new (GST_PAD_NAME (pad), srcpad);
+ gst_object_unref (srcpad);
+
+ gst_pad_set_active (ghostpad, TRUE);
+ gst_element_add_pad (element, ghostpad);
+
+ return;
+
+ /* ERRORS */
+no_caps:
+ {
+ GST_WARNING ("could not get caps from pad");
+ return;
+ }
+no_factory:
+ {
+ GST_DEBUG ("no payloader found");
+ gst_caps_unref (caps);
+ return;
+ }
+no_payloader:
+ {
+ GST_ERROR ("could not create payloader from factory");
+ gst_caps_unref (caps);
+ return;
+ }
+}
+
+static void
+no_more_pads_cb (GstElement * uribin, GstElement * element)
+{
+ GST_DEBUG ("no-more-pads");
+ gst_element_no_more_pads (element);
+}
+
+static GstElement *
+rtsp_media_factory_uri_get_element (GstRTSPMediaFactory * factory,
+ const GstRTSPUrl * url)
+{
+ GstElement *topbin, *element, *uribin;
+ GstRTSPMediaFactoryURI *urifact;
+
+ urifact = GST_RTSP_MEDIA_FACTORY_URI_CAST (factory);
+
+ GST_LOG ("creating element");
+
+ topbin = gst_bin_new ("GstRTSPMediaFactoryURI");
+ g_assert (topbin != NULL);
+
+ /* our bin will dynamically expose payloaded pads */
+ element = gst_bin_new ("dynpay0");
+ g_assert (element != NULL);
+
+ uribin = gst_element_factory_make ("uridecodebin", "uribin");
+ if (uribin == NULL)
+ goto no_uridecodebin;
+
+ g_object_set (uribin, "uri", urifact->uri, NULL);
+
+ /* keep factory around */
+ g_object_set_data_full (G_OBJECT (element), factory_key,
+ g_object_ref (factory), g_object_unref);
+
+ /* connect to the signals */
+ g_signal_connect (uribin, "autoplug-continue",
+ (GCallback) autoplug_continue_cb, element);
+ g_signal_connect (uribin, "pad-added", (GCallback) pad_added_cb, element);
+ g_signal_connect (uribin, "no-more-pads", (GCallback) no_more_pads_cb,
+ element);
+
+ gst_bin_add (GST_BIN_CAST (element), uribin);
+ gst_bin_add (GST_BIN_CAST (topbin), element);
+
+ return topbin;
+
+no_uridecodebin:
+ {
+ g_critical ("can't create uridecodebin element");
+ g_object_unref (element);
+ return NULL;
+ }
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
+ *
+ * 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.
+ */
+
+#include <gst/gst.h>
+
+#include "rtsp-media-factory.h"
+
+#ifndef __GST_RTSP_MEDIA_FACTORY_URI_H__
+#define __GST_RTSP_MEDIA_FACTORY_URI_H__
+
+G_BEGIN_DECLS
+
+/* types for the media factory */
+#define GST_TYPE_RTSP_MEDIA_FACTORY_URI (gst_rtsp_media_factory_uri_get_type ())
+#define GST_IS_RTSP_MEDIA_FACTORY_URI(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_MEDIA_FACTORY_URI))
+#define GST_IS_RTSP_MEDIA_FACTORY_URI_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_MEDIA_FACTORY_URI))
+#define GST_RTSP_MEDIA_FACTORY_URI_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_MEDIA_FACTORY_URI, GstRTSPMediaFactoryURIClass))
+#define GST_RTSP_MEDIA_FACTORY_URI(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_MEDIA_FACTORY_URI, GstRTSPMediaFactoryURI))
+#define GST_RTSP_MEDIA_FACTORY_URI_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_MEDIA_FACTORY_URI, GstRTSPMediaFactoryURIClass))
+#define GST_RTSP_MEDIA_FACTORY_URI_CAST(obj) ((GstRTSPMediaFactoryURI*)(obj))
+#define GST_RTSP_MEDIA_FACTORY_URI_CLASS_CAST(klass) ((GstRTSPMediaFactoryURIClass*)(klass))
+
+typedef struct _GstRTSPMediaFactoryURI GstRTSPMediaFactoryURI;
+typedef struct _GstRTSPMediaFactoryURIClass GstRTSPMediaFactoryURIClass;
+
+/**
+ * GstRTSPMediaFactoryURI:
+ * @uri: the uri
+ *
+ * A media factory that creates a pipeline to play and uri.
+ */
+struct _GstRTSPMediaFactoryURI {
+ GstRTSPMediaFactory parent;
+
+ gchar *uri;
+ GList *factories;
+};
+
+/**
+ * GstRTSPMediaFactoryURIClass:
+ *
+ * The #GstRTSPMediaFactoryURI class structure.
+ */
+struct _GstRTSPMediaFactoryURIClass {
+ GstRTSPMediaFactoryClass parent_class;
+};
+
+GType gst_rtsp_media_factory_uri_get_type (void);
+
+/* creating the factory */
+GstRTSPMediaFactoryURI * gst_rtsp_media_factory_uri_new (void);
+
+/* configuring the factory */
+void gst_rtsp_media_factory_uri_set_uri (GstRTSPMediaFactoryURI *factory,
+ const gchar *uri);
+gchar * gst_rtsp_media_factory_uri_get_uri (GstRTSPMediaFactoryURI *factory);
+
+G_END_DECLS
+
+#endif /* __GST_RTSP_MEDIA_FACTORY_URI_H__ */
projects / platform / upstream / gstreamer.git / commitdiff