Add pnm:// uri source

Add a new utri handler for pnm:// that for now just redirects to the same uri
with the rtsp:// protocol, which usually works nowadays.

Separate the registration of the various plugins into a separate source file.

8 files changed, 429 insertions, 35 deletions

diff --git a/gst/realmedia/Makefile.am b/gst/realmedia/Makefile.am
index fd2be107..5ee101d4 100644
--- a/gst/realmedia/Makefile.am
+++ b/gst/realmedia/Makefile.am
@@ -3,7 +3,9 @@ plugin_LTLIBRARIES = libgstrmdemux.la
 libgstrmdemux_la_SOURCES = rademux.c rmdemux.c  \
 			   rmutils.c rdtdepay.c rdtmanager.c \
 			   rtspreal.c realhash.c asmrules.c \
-			   rdtjitterbuffer.c gstrdtbuffer.c
+			   rdtjitterbuffer.c gstrdtbuffer.c \
+			   pnmsrc.c realmedia.c
+
 
 libgstrmdemux_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS)
 libgstrmdemux_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS)\
@@ -12,7 +14,8 @@ libgstrmdemux_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 libgstrmdemux_la_LIBTOOLFLAGS = --tag=disable-static
 
 noinst_HEADERS = rademux.h rmdemux.h rmutils.h rdtdepay.h rdtmanager.h \
-		 rdtjitterbuffer.h rtspreal.h realhash.h asmrules.h gstrdtbuffer.h
+		 rdtjitterbuffer.h rtspreal.h realhash.h asmrules.h gstrdtbuffer.h \
+		 pnmsrc.h
 
 noinst_PROGRAMS = asmrules
 asmrules_CFLAGS = $(GST_CFLAGS) -DTEST
diff --git a/gst/realmedia/pnmsrc.c b/gst/realmedia/pnmsrc.c
new file mode 100644
index 00000000..29552f0e
--- /dev/null
+++ b/gst/realmedia/pnmsrc.c
@@ -0,0 +1,294 @@
+/* GStreamer
+ * Copyright (C) <2009> Wim Taymans <wim.taymans@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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <string.h>
+
+#include "pnmsrc.h"
+
+GST_DEBUG_CATEGORY_STATIC (pnmsrc_debug);
+#define GST_CAT_DEFAULT pnmsrc_debug
+
+/* elementfactory information */
+static const GstElementDetails gst_pnm_src_details =
+GST_ELEMENT_DETAILS ("PNM packet receiver",
+    "Source/Network",
+    "Receive data over the network via PNM",
+    "Wim Taymans <wim.taymans@gmail.com>");
+
+/* PNMSrc signals and args */
+enum
+{
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+#define DEFAULT_LOCATION	NULL
+
+enum
+{
+  PROP_0,
+  PROP_LOCATION,
+  PROP_LAST
+};
+
+static GstStaticPadTemplate gst_pnm_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("application/vnd.rn-realmedia")
+    );
+
+static GstFlowReturn gst_pnm_src_create (GstPushSrc * psrc, GstBuffer ** buf);
+
+static void gst_pnm_src_uri_handler_init (gpointer g_iface, gpointer iface_data);
+
+static void
+_do_init (GType pnmsrc_type)
+{
+  static const GInterfaceInfo urihandler_info = {
+    gst_pnm_src_uri_handler_init,
+    NULL,
+    NULL
+  };
+
+  g_type_add_interface_static (pnmsrc_type, GST_TYPE_URI_HANDLER,
+      &urihandler_info);
+}
+
+GST_BOILERPLATE_FULL (GstPNMSrc, gst_pnm_src, GstPushSrc, GST_TYPE_PUSH_SRC, _do_init);
+
+static void gst_pnm_src_finalize (GObject * object);
+
+static void gst_pnm_src_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
+static void gst_pnm_src_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+
+static GstStateChangeReturn gst_pnm_src_change_state (GstElement *
+    element, GstStateChange transition);
+
+static void
+gst_pnm_src_base_init (gpointer klass)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_pnm_src_template));
+
+  gst_element_class_set_details (element_class, &gst_pnm_src_details);
+
+  GST_DEBUG_CATEGORY_INIT (pnmsrc_debug, "pnmsrc",
+      0, "Source for the pnm:// uri");
+}
+
+static void
+gst_pnm_src_class_init (GstPNMSrcClass * klass)
+{
+  GObjectClass *gobject_class;
+  GstElementClass *gstelement_class;
+  GstPushSrcClass *gstpushsrc_class;
+
+  gobject_class = (GObjectClass *) klass;
+  gstelement_class = (GstElementClass *) klass;
+  gstpushsrc_class = (GstPushSrcClass *) klass;
+
+  parent_class = g_type_class_peek_parent (klass);
+
+  gobject_class->set_property = gst_pnm_src_set_property;
+  gobject_class->get_property = gst_pnm_src_get_property;
+
+  gobject_class->finalize = gst_pnm_src_finalize;
+
+  g_object_class_install_property (gobject_class, PROP_LOCATION,
+      g_param_spec_string ("location", "PNM Location",
+          "Location of the PNM url to read",
+          DEFAULT_LOCATION, G_PARAM_READWRITE));
+
+  gstelement_class->change_state = gst_pnm_src_change_state;
+
+  gstpushsrc_class->create = gst_pnm_src_create;
+}
+
+static void
+gst_pnm_src_init (GstPNMSrc * pnmsrc, GstPNMSrcClass * klass)
+{
+  pnmsrc->location = g_strdup (DEFAULT_LOCATION);
+}
+
+gboolean
+gst_pnm_src_plugin_init (GstPlugin * plugin)
+{
+  return gst_element_register (plugin, "pnmsrc",
+      GST_RANK_MARGINAL, GST_TYPE_PNM_SRC);
+}
+
+static void
+gst_pnm_src_finalize (GObject * object)
+{
+  GstPNMSrc *pnmsrc;
+
+  pnmsrc = GST_PNM_SRC (object);
+
+  g_free (pnmsrc->location);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_pnm_src_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstPNMSrc *src;
+
+  src = GST_PNM_SRC (object);
+
+  switch (prop_id) {
+    case PROP_LOCATION:
+      g_free (src->location);
+      src->location = g_value_dup_string (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_pnm_src_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec)
+{
+  GstPNMSrc *src;
+
+  src = GST_PNM_SRC (object);
+
+  switch (prop_id) {
+    case PROP_LOCATION:
+      g_value_set_string (value, src->location);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static GstStateChangeReturn
+gst_pnm_src_change_state (GstElement * element, GstStateChange transition)
+{
+  GstPNMSrc *src;
+  GstStateChangeReturn ret;
+
+  src = GST_PNM_SRC (element);
+
+  switch (transition) {
+    case GST_STATE_CHANGE_NULL_TO_READY:
+      break;
+    case GST_STATE_CHANGE_READY_TO_PAUSED:
+      break;
+    default:
+      break;
+  }
+
+  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+  switch (transition) {
+    case GST_STATE_CHANGE_PAUSED_TO_READY:
+      break;
+    case GST_STATE_CHANGE_READY_TO_NULL:
+      break;
+    default:
+      break;
+  }
+  return ret;
+}
+
+static GstFlowReturn
+gst_pnm_src_create (GstPushSrc * psrc, GstBuffer ** buf)
+{
+  GstPNMSrc *src;
+  GstMessage *m;
+  gchar *url;
+
+  src = GST_PNM_SRC (psrc);
+
+  url = g_strdup_printf ("rtsp%s", &src->location[3]);
+
+  /* the only thing we do is redirect to an RTSP url */
+  m = gst_message_new_element (GST_OBJECT_CAST (src),
+      gst_structure_new ("redirect",
+          "new-location", G_TYPE_STRING, url, NULL));
+  g_free (url);
+
+  gst_element_post_message (GST_ELEMENT_CAST (src), m);
+  
+  return GST_FLOW_UNEXPECTED;
+}
+
+/*** GSTURIHANDLER INTERFACE *************************************************/
+
+static GstURIType
+gst_pnm_src_uri_get_type (void)
+{
+  return GST_URI_SRC;
+}
+
+static gchar **
+gst_pnm_src_uri_get_protocols (void)
+{
+  static gchar *protocols[] = { "pnm", NULL };
+
+  return protocols;
+}
+
+static const gchar *
+gst_pnm_src_uri_get_uri (GstURIHandler * handler)
+{
+  GstPNMSrc *src = GST_PNM_SRC (handler);
+
+  return src->location;
+}
+
+static gboolean
+gst_pnm_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
+{
+  GstPNMSrc *src = GST_PNM_SRC (handler);
+
+  if (!g_str_has_prefix (uri, "pnm://"))
+    return FALSE;
+
+  g_free (src->location);
+  src->location = g_strdup (uri);
+
+  return TRUE;
+}
+
+static void
+gst_pnm_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
+{
+  GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
+
+  iface->get_type = gst_pnm_src_uri_get_type;
+  iface->get_protocols = gst_pnm_src_uri_get_protocols;
+  iface->get_uri = gst_pnm_src_uri_get_uri;
+  iface->set_uri = gst_pnm_src_uri_set_uri;
+}
+
diff --git a/gst/realmedia/pnmsrc.h b/gst/realmedia/pnmsrc.h
new file mode 100644
index 00000000..6d627706
--- /dev/null
+++ b/gst/realmedia/pnmsrc.h
@@ -0,0 +1,58 @@
+/* GStreamer
+ * Copyright (C) <2009> Wim Taymans <wim.taymans@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.
+ */
+
+#ifndef __GST_PNM_SRC_H__
+#define __GST_PNM_SRC_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstpushsrc.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PNM_SRC \
+  (gst_pnm_src_get_type())
+#define GST_PNM_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PNM_SRC,GstPNMSrc))
+#define GST_PNM_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PNM_SRC,GstPNMSrcClass))
+#define GST_IS_PNM_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PNM_SRC))
+#define GST_IS_PNM_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PNM_SRC))
+
+typedef struct _GstPNMSrc GstPNMSrc;
+typedef struct _GstPNMSrcClass GstPNMSrcClass;
+
+struct _GstPNMSrc
+{
+  GstPushSrc parent;
+
+  gchar *location;
+};
+
+struct _GstPNMSrcClass
+{
+  GstPushSrcClass parent_class;
+};
+
+gboolean gst_pnm_src_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_PNM_SRC_H__ */
diff --git a/gst/realmedia/rademux.c b/gst/realmedia/rademux.c
index 5c368cf0..99251c00 100644
--- a/gst/realmedia/rademux.c
+++ b/gst/realmedia/rademux.c
@@ -964,3 +964,10 @@ gst_real_audio_demux_change_state (GstElement * element,
 
   return ret;
 }
+
+gboolean
+gst_rademux_plugin_init (GstPlugin * plugin)
+{
+  return gst_element_register (plugin, "rademux",
+       GST_RANK_SECONDARY, GST_TYPE_REAL_AUDIO_DEMUX);
+}
diff --git a/gst/realmedia/rademux.h b/gst/realmedia/rademux.h
index 342e0c92..6dab9c09 100644
--- a/gst/realmedia/rademux.h
+++ b/gst/realmedia/rademux.h
@@ -94,6 +94,8 @@ struct _GstRealAudioDemuxClass {
 
 GType  gst_real_audio_demux_get_type (void);
 
+gboolean gst_rademux_plugin_init (GstPlugin * plugin);
+
 G_END_DECLS
 
 #endif /* __GST_REAL_AUDIO_DEMUX_H__ */
diff --git a/gst/realmedia/realmedia.c b/gst/realmedia/realmedia.c
new file mode 100644
index 00000000..29a92505
--- /dev/null
+++ b/gst/realmedia/realmedia.c
@@ -0,0 +1,59 @@
+/* GStreamer
+ * Copyright (C) <2009> Wim Taymans <wim.taymans@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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "rmdemux.h"
+#include "rademux.h"
+#include "rdtdepay.h"
+#include "rdtmanager.h"
+#include "rtspreal.h"
+#include "pnmsrc.h"
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+  if (!gst_rmdemux_plugin_init (plugin))
+    return FALSE;
+
+  if (!gst_rademux_plugin_init (plugin))
+    return FALSE;
+
+  if (!gst_rdt_depay_plugin_init (plugin))
+    return FALSE;
+
+  if (!gst_rdt_manager_plugin_init (plugin))
+    return FALSE;
+
+  if (!gst_rtsp_real_plugin_init (plugin))
+    return FALSE;
+
+  if (!gst_pnm_src_plugin_init (plugin))
+    return FALSE;
+
+  return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+    GST_VERSION_MINOR,
+    "realmedia",
+    "RealMedia support plugins",
+    plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
diff --git a/gst/realmedia/rmdemux.c b/gst/realmedia/rmdemux.c
index fa8ac26c..fe174350 100644
--- a/gst/realmedia/rmdemux.c
+++ b/gst/realmedia/rmdemux.c
@@ -29,11 +29,7 @@
 #endif
 
 #include "rmdemux.h"
-#include "rdtdepay.h"
-#include "rdtmanager.h"
-#include "rtspreal.h"
 #include "rmutils.h"
-#include "rademux.h"
 
 #include <string.h>
 #include <ctype.h>
@@ -2591,36 +2587,9 @@ unknown_stream:
   }
 }
 
-static gboolean
+gboolean
 gst_rmdemux_plugin_init (GstPlugin * plugin)
 {
   return gst_element_register (plugin, "rmdemux",
-      GST_RANK_PRIMARY, GST_TYPE_RMDEMUX) &&
-      gst_element_register (plugin, "rademux",
-      GST_RANK_SECONDARY, GST_TYPE_REAL_AUDIO_DEMUX);
-}
-
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
-  if (!gst_rmdemux_plugin_init (plugin))
-    return FALSE;
-
-  if (!gst_rdt_depay_plugin_init (plugin))
-    return FALSE;
-
-  if (!gst_rdt_manager_plugin_init (plugin))
-    return FALSE;
-
-  if (!gst_rtsp_real_plugin_init (plugin))
-    return FALSE;
-
-  return TRUE;
+      GST_RANK_PRIMARY, GST_TYPE_RMDEMUX);
 }
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
-    GST_VERSION_MINOR,
-    "realmedia",
-    "RealMedia demuxer and depayloader",
-    plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
diff --git a/gst/realmedia/rmdemux.h b/gst/realmedia/rmdemux.h
index 0ca01016..4ebe6b06 100644
--- a/gst/realmedia/rmdemux.h
+++ b/gst/realmedia/rmdemux.h
@@ -148,6 +148,8 @@ struct _GstRMDemuxClass {
 #define GST_RM_AUD_xRA4 GST_MAKE_FOURCC('.','r','a','4') // Not a real audio codec
 #define GST_RM_AUD_xRA5 GST_MAKE_FOURCC('.','r','a','5') // Not a real audio codec
 
+gboolean gst_rmdemux_plugin_init (GstPlugin * plugin);
+
 G_END_DECLS
 
 #endif /* __GST_RMDEMUX_H__ */