Framework for DMX scanout

4 files changed, 100 insertions, 1 deletions

diff --git a/meson.build b/meson.build
index 96aea93..cac0b01 100644
--- a/meson.build
+++ b/meson.build
@@ -16,6 +16,7 @@ gtk_dep = dependency('gtk+-3.0', required : true)
 glib_dep = dependency('glib-2.0', required : true)
 gio_dep = dependency('gio-2.0', required : true)
 cairo_dep = dependency('cairo', required : true)
+soup_dep = dependency('libsoup-2.4', required : true)
 pango_dep = dependency('pango', required : true)
 pangocairo_dep = dependency('pangocairo', required : true)
 cc = meson.get_compiler('c')
@@ -25,6 +26,7 @@ mdep = cc.find_library('m', required : false)
 executable('nanolight',
            ['src/nanolight.c',
 	    'src/command.c',
+	    'src/scanout.c',
            ],
-           dependencies : [gtk_dep, mdep],
+           dependencies : [gtk_dep, mdep, soup_dep],
            install : true)
diff --git a/src/nanolight.c b/src/nanolight.c
index adebcc4..5f76dd5 100644
--- a/src/nanolight.c
+++ b/src/nanolight.c
@@ -34,6 +34,7 @@
 
 #include "nanolight.h"
 #include "command.h"
+#include "scanout.h"
 
 static void show_help(const char *s)
 {
@@ -312,6 +313,13 @@ static gint realise_sig(GtkWidget *da, struct nanolight *nl)
 }
 
 
+static gboolean scanout_cb(gpointer data)
+{
+	scanout_all((struct nanolight *)data);
+	return G_SOURCE_CONTINUE;
+}
+
+
 int main(int argc, char *argv[])
 {
 	struct nanolight nl;
@@ -352,6 +360,7 @@ int main(int argc, char *argv[])
 	bindtextdomain("nanolight", LOCALEDIR);
 	textdomain("nanolight");
 
+	/* Set up data structures */
 	cls.name = "Dummy fixture";
 	cls.n_attrs = 3;
 	cls.attrs = attrs;
@@ -380,6 +389,10 @@ int main(int argc, char *argv[])
 	create_fixture(&nl, &cls, "mh3", 103);
 	create_fixture(&nl, &cls, "mh4", 154)->attr_vals[0]=255;
 
+	/* Set up output */
+	g_timeout_add(100, scanout_cb, &nl);
+
+	/* Create main window */
 	mainwindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 	gtk_window_fullscreen(GTK_WINDOW(mainwindow));
 	g_signal_connect_swapped(G_OBJECT(mainwindow), "destroy", gtk_main_quit, NULL);
diff --git a/src/scanout.c b/src/scanout.c
new file mode 100644
index 0000000..cbb990f
--- /dev/null
+++ b/src/scanout.c
@@ -0,0 +1,56 @@
+/*
+ * scanout.c
+ *
+ * Copyright © 2019 Thomas White <taw@bitwiz.me.uk>
+ *
+ * This file is part of NanoLight.
+ *
+ * NanoLight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <libsoup/soup.h>
+
+#include "nanolight.h"
+
+gboolean scanout_all(struct nanolight *nl)
+{
+	SoupSession *sess;
+	SoupMessage *msg;
+	int i;
+	char str[8200];
+
+	strcpy(str, "u=0, d=");
+	for ( i=0; i<512; i++ ) {
+		char tmp[6];
+		snprintf(tmp, 5, "%i,", 255);
+		strcat(str, tmp);
+	}
+	printf("req='%s'\n", str);
+
+	sess = soup_session_new();
+	msg = soup_message_new("POST", "http://127.0.0.1:9090/set_dmx");
+	soup_message_set_request(msg, "text/plain", SOUP_MEMORY_TEMPORARY, str,
+	                         strlen(str));
+	
+	soup_session_send_message(sess, msg);
+
+	g_object_unref(msg);
+	g_object_unref(sess);
+	return 0;
+}
diff --git a/src/scanout.h b/src/scanout.h
new file mode 100644
index 0000000..b474112
--- /dev/null
+++ b/src/scanout.h
@@ -0,0 +1,28 @@
+/*
+ * scanout.h
+ *
+ * Copyright © 2019 Thomas White <taw@bitwiz.me.uk>
+ *
+ * This file is part of NanoLight.
+ *
+ * NanoLight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SCANOUT_H
+#define SCANOUT_H
+
+extern int scanout_all(struct nanolight *nl);
+
+#endif	/* SCANOUT_H */