gstreamer/tools/gst-md5sum.c

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#include <string.h>
#include <stdlib.h>
#include <gst/gst.h>
static guint64 iterations = 0;
static guint64 sum = 0;
static guint64 min = G_MAXINT64;
static guint64 max = 0;
static GstClock *s_clock;
gboolean
idle_func (gpointer data)
{
gboolean busy;
GTimeVal tfthen, tfnow;
GstClockTimeDiff diff;
if (s_clock) {
//g_print ("%lld\n", gst_clock_get_time (s_clock));
}
g_get_current_time (&tfthen);
busy = gst_bin_iterate (GST_BIN (data));
iterations++;
g_get_current_time (&tfnow);
diff = GST_TIMEVAL_TO_TIME (tfnow) -
GST_TIMEVAL_TO_TIME (tfthen);
sum += diff;
min = MIN (min, diff);
max = MAX (max, diff);
if (!busy) {
gst_main_quit ();
/*
g_print ("execution ended after %llu iterations (sum %llu ns, average %llu ns, min %llu ns, max %llu ns)\n",
iterations, sum, sum/iterations, min, max);
*/
}
return busy;
}
int
main (int argc, char *argv[])
{
/* options */
gboolean verbose = FALSE;
gchar *exclude_args = NULL;
struct poptOption options[] = {
{"verbose", 'v', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &verbose, 0,
"do not output status information", NULL},
POPT_TABLEEND
};
GstElement *pipeline;
gchar **argvn;
GError *error = NULL;
GstElement *md5sink;
gchar *md5string = g_malloc0 (33);
free (malloc (8)); /* -lefence */
gst_init_with_popt_table (&argc, &argv, options);
/* make a null-terminated version of argv with ! md5sink appended
* ! is stored in argvn[argc - 1], md5sink in argvn[argc],
* NULL pointer in argvn[argc + 1] */
argvn = g_new0 (char *, argc + 2);
memcpy (argvn, argv + 1, sizeof (char *) * (argc - 1));
argvn[argc - 1] = g_strdup_printf ("!");
argvn[argc] = g_strdup_printf ("md5sink");
pipeline = (GstElement*) gst_parse_launchv ((const gchar**) argvn, &error);
if (!pipeline) {
if (error)
{
g_warning ("pipeline could not be constructed: %s\n", error->message);
g_error_free (error);
}
else
g_warning ("pipeline could not be constructed\n");
return 1;
}
if (verbose)
{
gchar **exclude_list = exclude_args ? g_strsplit (exclude_args, ",", 0)
: NULL;
g_signal_connect (pipeline, "deep_notify",
G_CALLBACK (gst_element_default_deep_notify),
exclude_list);
}
g_signal_connect (pipeline, "error",
G_CALLBACK (gst_element_default_error), NULL);
if (gst_element_set_state (pipeline, GST_STATE_PLAYING) != GST_STATE_SUCCESS)
{
g_warning ("pipeline doesn't want to play\n");
return 0;
}
if (!GST_FLAG_IS_SET (GST_OBJECT (pipeline), GST_BIN_SELF_SCHEDULABLE)) {
g_idle_add (idle_func, pipeline);
gst_main ();
} else {
gst_element_wait_state_change (pipeline);
}
gst_element_set_state (pipeline, GST_STATE_NULL);
/* print out md5sink here */
md5sink = gst_bin_get_by_name (GST_BIN (pipeline), "md5sink0");
g_assert (md5sink);
g_object_get (G_OBJECT (md5sink), "md5", &md5string, NULL);
printf ("%s\n", md5string);
gst_object_unref (GST_OBJECT (pipeline));
return 0;
}