1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
#include <glib.h>
#include <gst/gst.h>
#include <gst/gstparse.h>
#include <string.h>
#include <stdlib.h>
static int launch_argc;
static char **launch_argv;
//GtkWidget *window;
//GtkWidget *gtk_socket;
typedef void (*found_handler) (GstElement *element, gint xid, void *priv);
void
arg_search (GstBin *bin, gchar *argname, found_handler handler, void *priv)
{
GList *children;
gchar *ccargname;
ccargname = g_strdup_printf("::%s",argname);
children = gst_bin_get_list(bin);
#if 0
while (children) {
GstElement *child;
child = GST_ELEMENT (children->data);
children = g_list_next (children);
if (GST_IS_BIN (child)) arg_search (GST_BIN (child), argname, handler, priv);
else {
GtkType type;
type = GTK_OBJECT_TYPE (child);
while (type != GTK_TYPE_INVALID) {
GtkArg *args;
guint32 *flags;
guint num_args,i;
args = gtk_object_query_args(type,&flags,&num_args);
for (i=0;i<num_args;i++) {
if (strstr(args[i].name,ccargname)) {
(handler)(child, gst_util_get_int_arg (GTK_OBJECT (child), argname) ,priv);
}
}
type = gtk_type_parent(type);
}
}
}
#endif
g_free(ccargname);
}
void
handle_have_size (GstElement *element,int width,int height)
{
//gtk_widget_set_usize(gtk_socket,width,height);
//gtk_widget_show_all(window);
}
void
xid_handler (GstElement *element, gint xid, void *priv)
{
#if 0
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_socket = gtk_socket_new ();
gtk_widget_show(gtk_socket);
gtk_container_add(GTK_CONTAINER(window),gtk_socket);
gtk_widget_realize(gtk_socket);
gtk_socket_steal (GTK_SOCKET (gtk_socket), xid);
gtk_object_set(GTK_OBJECT(window),"allow_grow",TRUE,NULL);
gtk_object_set(GTK_OBJECT(window),"allow_shrink",TRUE,NULL);
gtk_signal_connect (GTK_OBJECT (element), "have_size",
GTK_SIGNAL_FUNC (handle_have_size), element);
#endif
}
gboolean
idle_func (gpointer data)
{
return gst_bin_iterate (GST_BIN (data));
}
int
main(int argc, char *argv[])
{
GstElement *pipeline;
char **argvn;
gchar *cmdline;
int i;
gboolean save_pipeline = FALSE;
gboolean run_pipeline = TRUE;
gchar *savefile = "";
gst_init (&argc, &argv);
if (argc >= 3 && !strcmp(argv[1], "-o")) {
save_pipeline = TRUE;
run_pipeline = FALSE;
savefile = argv[2];
argv[2] = argv[0];
argv+=2;
argc-=2;
}
launch_argc = argc;
launch_argv = argv;
pipeline = gst_pipeline_new ("launch");
// make a null-terminated version of argv
argvn = g_new0 (char *,argc);
memcpy (argvn, argv+1, sizeof (char*) * (argc-1));
// escape spaces
for (i=0; i<argc-1; i++) {
gchar **split;
split = g_strsplit (argvn[i], " ", 0);
argvn[i] = g_strjoinv ("\\ ", split);
g_strfreev (split);
}
// join the argvs together
cmdline = g_strjoinv (" ", argvn);
// free the null-terminated argv
g_free (argvn);
// fail if there are no pipes in it (needs pipes for a pipeline
if (!strchr(cmdline,'!')) {
fprintf(stderr,"ERROR: no pipeline description found on commandline\n");
exit(1);
}
gst_parse_launch (cmdline, GST_BIN (pipeline));
if (save_pipeline) {
xmlSaveFile (savefile, gst_xml_write (pipeline));
}
if (run_pipeline) {
arg_search(GST_BIN(pipeline),"xid",xid_handler,NULL);
fprintf(stderr,"RUNNING pipeline\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
// g_idle_add(idle_func,pipeline);
// g_main_loop_run (g_main_loop_new (NULL, FALSE));
while (1)
gst_bin_iterate (GST_BIN (pipeline));
gst_element_set_state (pipeline, GST_STATE_NULL);
}
return 0;
}
|
