| /* 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., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, 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 |
| |
| /* PNMSrc signals and args */ |
| enum |
| { |
| /* FILL ME */ |
| LAST_SIGNAL |
| }; |
| |
| #define DEFAULT_LOCATION NULL |
| |
| enum |
| { |
| PROP_0, |
| PROP_LOCATION |
| }; |
| |
| 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); |
| |
| #define gst_pnm_src_parent_class parent_class |
| G_DEFINE_TYPE_WITH_CODE (GstPNMSrc, gst_pnm_src, GST_TYPE_PUSH_SRC, |
| G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER, gst_pnm_src_uri_handler_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 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 | G_PARAM_STATIC_STRINGS)); |
| |
| |
| gst_element_class_add_static_pad_template (gstelement_class, |
| &gst_pnm_src_template); |
| |
| gst_element_class_set_static_metadata (gstelement_class, |
| "PNM packet receiver", "Source/Network", |
| "Receive data over the network via PNM", |
| "Wim Taymans <wim.taymans@gmail.com>"); |
| |
| gstpushsrc_class->create = gst_pnm_src_create; |
| |
| GST_DEBUG_CATEGORY_INIT (pnmsrc_debug, "pnmsrc", |
| 0, "Source for the pnm:// uri"); |
| } |
| |
| static void |
| gst_pnm_src_init (GstPNMSrc * pnmsrc) |
| { |
| 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 GstFlowReturn |
| gst_pnm_src_create (GstPushSrc * psrc, GstBuffer ** buf) |
| { |
| GstPNMSrc *src; |
| GstMessage *m; |
| gchar *url; |
| |
| src = GST_PNM_SRC (psrc); |
| |
| if (src->location == NULL) |
| return GST_FLOW_ERROR; |
| 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_EOS; |
| } |
| |
| /*** GSTURIHANDLER INTERFACE *************************************************/ |
| |
| static GstURIType |
| gst_pnm_src_uri_get_type (GType type) |
| { |
| return GST_URI_SRC; |
| } |
| |
| static const gchar *const * |
| gst_pnm_src_uri_get_protocols (GType type) |
| { |
| static const gchar *protocols[] = { "pnm", NULL }; |
| |
| return protocols; |
| } |
| |
| static gchar * |
| gst_pnm_src_uri_get_uri (GstURIHandler * handler) |
| { |
| GstPNMSrc *src = GST_PNM_SRC (handler); |
| |
| /* FIXME: make thread-safe */ |
| return g_strdup (src->location); |
| } |
| |
| static gboolean |
| gst_pnm_src_uri_set_uri (GstURIHandler * handler, const gchar * uri, |
| GError ** error) |
| { |
| GstPNMSrc *src = GST_PNM_SRC (handler); |
| |
| 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; |
| } |