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[gst-cvs] dolphy gst-sandbox: gst-sandbox/gst-videowall/
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From: Julien M. <do...@pd...> - 2004-02-19 15:07:51
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CVS Root: /home/cvs/gstreamer
Module: gst-sandbox
Changes by: dolphy
Date: Thu Feb 19 2004 07:02:14 PST
Log message:
2004-02-19 Julien MOUTTE <ju...@mo...>
* live_client.c: (videowindow_realized), (setup_pipeline),
(idle_func), (main):
* live_server.c: (main): Adding the video wall client/server files
after a quick 0.7 rewrite.
Added files:
gst-videowall : ChangeLog live_client.c live_server.c
Links:
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-sandbox/gst-videowall/ChangeLog?rev=1.1&content-type=text/vnd.viewcvs-markup
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-sandbox/gst-videowall/live_client.c?rev=1.1&content-type=text/vnd.viewcvs-markup
http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-sandbox/gst-videowall/live_server.c?rev=1.1&content-type=text/vnd.viewcvs-markup
====Begin Diffs====
--- NEW FILE: ChangeLog ---
2004-02-19 Julien MOUTTE <ju...@mo...>
* live_client.c: (videowindow_realized), (setup_pipeline),
(idle_func), (main):
* live_server.c: (main): Adding the video wall client/server files
after a quick 0.7 rewrite.
--- NEW FILE: live_client.c ---
/* live_client.c
* A sample client application for a Gstreamer + Xinerama
* powered video-wall. It receive mpeg 1 video from the networks
* broadcast address and then plays with it.
*/
#include <gst/gst.h>
#include <gst/xoverlay/xoverlay.h>
#include <gdk/gdkx.h>
#include <gnome.h>
#include <unistd.h>
#include <stdlib.h>
#define CROP_TOP 0
#define CROP_BOT 0
#define CROP_LEFT 0
#define CROP_RIGHT 0
typedef struct _GstVideoWallClient GstVideoWallClient;
/* Internal stuff */
struct _GstVideoWallClient {
GtkWidget *vw_window;
GstElement *pipeline;
GstElement *video_sink;
};
static void
videowindow_realized (GtkWidget * widget, GstVideoWallClient *client)
{
gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (client->video_sink),
GDK_WINDOW_XID (client->vw_window->window));
gtk_window_fullscreen (GTK_WINDOW (client->vw_window));
}
static gboolean
setup_pipeline (GstVideoWallClient *client)
GstElement *udp_src, *mpg_decoder, *colorspace, *videocrop;
/* Creating pipeline */
client->pipeline = gst_pipeline_new ("main_pipe");
g_return_val_if_fail (GST_IS_ELEMENT (client->pipeline), FALSE);
udp_src = gst_element_factory_make ("udpsrc", "movie_src");
g_return_val_if_fail (GST_IS_ELEMENT (udp_src), FALSE);
mpg_decoder = gst_element_factory_make ("mpeg2dec", "mpegdecoder");
g_return_val_if_fail (GST_IS_ELEMENT (mpg_decoder), FALSE);
videocrop = gst_element_factory_make ("videocrop", "video_crop");
g_return_val_if_fail (GST_IS_ELEMENT (videocrop), FALSE);
g_object_set (G_OBJECT (videocrop), "top", CROP_TOP, "bottom", CROP_BOT,
"left", CROP_LEFT, "right", CROP_RIGHT, NULL);
colorspace = gst_element_factory_make ("ffcolorspace", "colorspace");
g_return_val_if_fail (GST_IS_ELEMENT (colorspace), FALSE);
client->video_sink = gst_element_factory_make ("xvimagesink", "video_sink");
g_return_val_if_fail (GST_IS_ELEMENT (client->video_sink), FALSE);
/* Our Application Window */
client->vw_window = gnome_app_new ("Video-Wall Client", "Video-Wall Client");
/* we need no borders */
gtk_window_set_decorated (GTK_WINDOW (client->vw_window), FALSE);
g_signal_connect_after (G_OBJECT (client->vw_window), "realize",
G_CALLBACK (videowindow_realized), client);
gtk_widget_show (client->vw_window);
/* Connect the appropritate elements */
gst_element_link_many (udp_src, mpg_decoder, videocrop, colorspace,
client->video_sink, NULL);
/* Add all element to their appropriate bins */
gst_bin_add_many (GST_BIN (client->pipeline), udp_src, mpg_decoder,
videocrop, colorspace, client->video_sink, NULL);
return TRUE;
idle_func (gpointer data)
GstVideoWallClient *client = (GstVideoWallClient *) data;
gst_bin_iterate (GST_BIN (client->pipeline));
return (GST_STATE (client->pipeline) == GST_STATE_PLAYING);
int
main (int argc, char *argv[])
GstVideoWallClient *client = NULL;
client = g_new0 (GstVideoWallClient, 1);
gnome_init ("Video-Wall Client", "0.0.1", argc, argv);
gst_init (&argc, &argv);
if (!setup_pipeline (client))
return -1;
gtk_idle_add (idle_func, client);
/* Lets get started */
gst_element_set_state (client->pipeline, GST_STATE_PLAYING);
gtk_main ();
gst_element_set_state (client->pipeline, GST_STATE_READY);
gst_object_unref (GST_OBJECT (client->pipeline));
g_print ("Normal Program Termination\n");
return 0;
--- NEW FILE: live_server.c ---
/* live_server.c
* A sample server application for a Gstreamer + Xinerama
* powered video-wall. It grabs live video from a v4lsrc
* device and streams it on the broadcast address of the network.
*/
GstElement *main_pipe, *v4lsrc = NULL, *udp_sink = NULL, *mpg_encoder = NULL;
if (argc != 2)
g_print ("wrong syntax: %s <ip> where ip is the target host address\n",
argv[0]);
g_print ("using host address %s\n", argv[1]);
main_pipe = gst_pipeline_new ("main_pipe");
g_return_val_if_fail (GST_IS_ELEMENT (main_pipe), -1);
/* Get the main Srcs & sinks */
v4lsrc = gst_element_factory_make ("v4lsrc", "movie_src");
g_return_val_if_fail (GST_IS_ELEMENT (v4lsrc), -1);
g_object_set (G_OBJECT (v4lsrc), "device", "/dev/video0", "width", 320,
"height", 240, NULL);
mpg_encoder = gst_element_factory_make ("mpeg2enc", "mpg_encoder");
g_return_val_if_fail (GST_IS_ELEMENT (mpg_encoder), -1);
udp_sink = gst_element_factory_make ("udpsink", "udp_sink");
g_return_val_if_fail (GST_IS_ELEMENT (udp_sink), -1);
g_object_set (G_OBJECT (udp_sink), "host", "192.168.1.255", NULL);
gst_element_link_many (v4lsrc, mpg_encoder, udp_sink, NULL);
gst_bin_add_many (GST_BIN (main_pipe), v4lsrc, mpg_encoder, udp_sink, NULL);
gst_element_set_state (GST_ELEMENT (main_pipe), GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (main_pipe)));
gst_element_set_state (GST_ELEMENT (main_pipe), GST_STATE_READY);
gst_object_unref (GST_OBJECT (main_pipe));
exit (0);
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