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gst-xmllaunch works now. it's a separate target built from gst-launch.c, just with a different name. it can set the p...

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Original commit message from CVS:
gst-xmllaunch works now. it's a separate target built from gst-launch.c, just with
a different name. it can set the properties of elements by name, as in
element.property=value. craete pipelines using gst-launch -o file.xml <pipeline description>
This commit is contained in:
Andy Wingo 2002-01-15 05:57:14 +00:00
parent 43cbc42c45
commit aa29faadef
2 changed files with 52 additions and 12 deletions
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6
tools/Makefile.am
View file

@ -7,7 +7,7 @@ endif
if GST_DISABLE_LOADSAVE
GST_LOADSAVE_SRC =
else
GST_LOADSAVE_SRC = gst-compprep
GST_LOADSAVE_SRC = gst-compprep gst-xmllaunch
endif
bin_PROGRAMS = gst-launch \
@ -36,6 +36,10 @@ gst_complete_CFLAGS = $(GST_CFLAGS) -DGST_CONFIG_DIR=\"$(GST_CONFIG_DIR)\"
if !GST_DISABLE_LOADSAVE
gst_compprep_LDADD = $(GST_LIBS)
gst_compprep_CFLAGS = $(GST_CFLAGS) -DGST_CONFIG_DIR=\"$(GST_CONFIG_DIR)\"
gst_xmllaunch_SOURCES = gst-launch.c
gst_xmllaunch_LDADD = $(GST_LIBS)
gst_xmllaunch_CFLAGS = $(GST_CFLAGS) -DGST_CONFIG_DIR=\"$(GST_CONFIG_DIR)\"
endif
EXTRA_DIST = $(man_MANS)

58
tools/gst-launch.c
View file

@ -81,27 +81,63 @@ event_func (GstElement *element, GstEvent *event)
}
static GstElement*
xmllaunch_parse_cmdline (gint argc, const gchar **argv)
xmllaunch_parse_cmdline (const gchar *argv[])
{
GstElement *pipeline = NULL;
GstElement *pipeline = NULL, *e;
GstXML *xml;
gboolean err;
const gchar *arg;
gchar *element, *property, *value;
GList *l;
gint i = 0;
if (argc < 2) {
g_print ("usage: %s <file.xml> [ element.property=value ... ]\n", argv[0]);
if (!(arg = argv[0])) {
g_print ("usage: gst-xmllaunch <file.xml> [ element.property=value ... ]\n", arg[0]);
exit (1);
}
xml = gst_xml_new ();
err = gst_xml_parse_file(xml, argv[1], NULL);
err = gst_xml_parse_file(xml, arg, NULL);
if (err != TRUE) {
fprintf (stderr, "ERROR: parse of xml file '%s' failed\n", argv[1]);
fprintf (stderr, "ERROR: parse of xml file '%s' failed\n", arg);
exit (1);
}
l = gst_xml_get_topelements (xml);
if (!l) {
fprintf (stderr, "ERROR: no toplevel pipeline element in file '%s'\n", arg);
exit (1);
}
if (l->next)
g_warning ("only one toplevel element is supported at this time");
pipeline = GST_ELEMENT (l->data);
while ((arg = argv[++i])) {
element = g_strdup (arg);
property = strchr (element, '.');
value = strchr (element, '=');
if (!(element < property && property < value)) {
fprintf (stderr, "ERROR: could not parse command line argument %d: %s", i, element);
g_free (element);
exit (1);
}
*property++ = '\0';
*value++ = '\0';
g_print ("%s, %s, %s\n", element, property, value);
e = gst_bin_get_by_name (GST_BIN (pipeline), element);
if (!e) {
g_warning ("element named '%s' not found", element);
} else {
gst_util_set_object_arg (G_OBJECT (e), property, value);
}
}
if (!l)
return NULL;
else
@ -112,7 +148,7 @@ int
main(int argc, char *argv[])
{
GstElement *pipeline;
char **argvn;
gchar **argvn;
gchar *cmdline;
int i;
gboolean save_pipeline = FALSE;
@ -135,12 +171,12 @@ main(int argc, char *argv[])
launch_argc = argc;
launch_argv = argv;
/* make a null-terminated version of argv */
argvn = g_new0 (char *,argc);
memcpy (argvn, argv+1, sizeof (char*) * (argc-1));
if (strstr (argv[0], "gst-xmllaunch")) {
pipeline = xmllaunch_parse_cmdline (argc, argv);
pipeline = xmllaunch_parse_cmdline (argvn);
} else {
/* make a null-terminated version of argv */
argvn = g_new0 (char *,argc);
memcpy (argvn, argv+1, sizeof (char*) * (argc-1));
pipeline = (GstElement*) gst_parse_launchv (argvn);
}