mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-06 01:19:38 +00:00
276 lines
6.6 KiB
C
276 lines
6.6 KiB
C
#include <string.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <gst/gst.h>
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static guint64 iterations = 0;
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static guint64 sum = 0;
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static guint64 min = G_MAXINT64;
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static guint64 max = 0;
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static GstClock *s_clock;
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gboolean
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idle_func (gpointer data)
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{
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gboolean busy;
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GTimeVal tfthen, tfnow;
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GstClockTimeDiff diff;
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if (s_clock) {
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//g_print ("%lld\n", gst_clock_get_time (s_clock));
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}
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g_get_current_time (&tfthen);
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busy = gst_bin_iterate (GST_BIN (data));
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iterations++;
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g_get_current_time (&tfnow);
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diff = GST_TIMEVAL_TO_TIME (tfnow) -
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GST_TIMEVAL_TO_TIME (tfthen);
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sum += diff;
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min = MIN (min, diff);
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max = MAX (max, diff);
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if (!busy) {
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gst_main_quit ();
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g_print ("execution ended after %llu iterations (sum %llu ns, average %llu ns, min %llu ns, max %llu ns)\n",
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iterations, sum, sum/iterations, min, max);
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}
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return busy;
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}
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static GstElement*
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xmllaunch_parse_cmdline (const gchar **argv)
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{
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GstElement *pipeline = NULL, *e;
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GstXML *xml;
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gboolean err;
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const gchar *arg;
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gchar *element, *property, *value;
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GList *l;
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gint i = 0;
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if (!(arg = argv[0])) {
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g_print ("usage: gst-xmllaunch <file.xml> [ element.property=value ... ]\n");
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exit (1);
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}
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xml = gst_xml_new ();
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err = gst_xml_parse_file(xml, arg, NULL);
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if (err != TRUE) {
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fprintf (stderr, "ERROR: parse of xml file '%s' failed\n", arg);
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exit (1);
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}
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l = gst_xml_get_topelements (xml);
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if (!l) {
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fprintf (stderr, "ERROR: no toplevel pipeline element in file '%s'\n", arg);
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exit (1);
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}
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if (l->next)
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g_warning ("only one toplevel element is supported at this time");
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pipeline = GST_ELEMENT (l->data);
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while ((arg = argv[++i])) {
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element = g_strdup (arg);
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property = strchr (element, '.');
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value = strchr (element, '=');
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if (!(element < property && property < value)) {
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fprintf (stderr, "ERROR: could not parse command line argument %d: %s", i, element);
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g_free (element);
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exit (1);
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}
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*property++ = '\0';
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*value++ = '\0';
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e = gst_bin_get_by_name (GST_BIN (pipeline), element);
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if (!e) {
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g_warning ("element named '%s' not found", element);
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} else {
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gst_util_set_object_arg (G_OBJECT (e), property, value);
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}
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g_free (element);
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}
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if (!l)
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return NULL;
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else
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return l->data;
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}
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extern volatile gboolean glib_on_error_halt;
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static void fault_restore(void);
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static void
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fault_handler (int signum, siginfo_t *si, void *misc)
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{
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int spinning = TRUE;
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fault_restore ();
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if (si->si_signo == SIGSEGV) {
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g_print ("Caught SIGSEGV accessing address %p\n", si->si_addr);
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}
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else if (si->si_signo == SIGQUIT){
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g_print ("Caught SIGQUIT\n");
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}
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else {
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g_print ("signo: %d\n", si->si_signo);
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g_print ("errno: %d\n", si->si_errno);
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g_print ("code: %d\n", si->si_code);
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}
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glib_on_error_halt = FALSE;
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g_on_error_stack_trace ("gst-launch");
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wait (NULL);
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#if 1
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/* FIXME how do we know if we were run by libtool? */
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g_print ("Spinning. Please run 'gdb gst-launch %d' to continue debugging, "
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"Ctrl-C to quit, or Ctrl-\\ to dump core.\n",
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getpid ());
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while (spinning) usleep (1000000);
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#else
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/* This spawns a gdb and attaches it to gst-launch. */
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{
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char str[40];
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sprintf (str, "gdb -quiet gst-launch %d", getpid ());
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system (str);
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}
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_exit(0);
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#endif
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}
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static void
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fault_restore (void)
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{
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struct sigaction action;
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memset (&action, 0, sizeof (action));
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action.sa_handler = SIG_DFL;
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sigaction(SIGSEGV, &action, NULL);
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sigaction(SIGQUIT, &action, NULL);
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}
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static void
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fault_setup (void)
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{
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struct sigaction action;
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memset (&action, 0, sizeof (action));
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action.sa_sigaction = fault_handler;
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action.sa_flags = SA_SIGINFO;
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sigaction (SIGSEGV, &action, NULL);
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sigaction (SIGQUIT, &action, NULL);
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}
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int
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main(int argc, char *argv[])
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{
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/* options */
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gboolean silent = FALSE;
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gboolean no_fault = FALSE;
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gchar *savefile = NULL;
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gchar *exclude_args = NULL;
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struct poptOption options[] = {
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{"silent", 's', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &silent, 0,
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"do not output status information", NULL},
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{"exclude", 'X', POPT_ARG_STRING|POPT_ARGFLAG_STRIP, &exclude_args, 0,
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"do not output status information of TYPE", "TYPE1,TYPE2,..."},
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{"output", 'o', POPT_ARG_STRING|POPT_ARGFLAG_STRIP, &savefile, 0,
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"save xml representation of pipeline to FILE and exit", "FILE"},
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{"no_fault", 'f', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &no_fault, 0,
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"Do not install a fault handler", NULL},
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POPT_TABLEEND
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};
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GstElement *pipeline;
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gchar **argvn;
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GError *error = NULL;
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gint res = 0;
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free (malloc (8)); /* -lefence */
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gst_init_with_popt_table (&argc, &argv, options);
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if (!no_fault)
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fault_setup();
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/* make a null-terminated version of argv */
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argvn = g_new0 (char*, argc);
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memcpy (argvn, argv+1, sizeof (char*) * (argc-1));
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if (strstr (argv[0], "gst-xmllaunch")) {
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pipeline = xmllaunch_parse_cmdline ((const gchar**)argvn);
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} else {
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pipeline = (GstElement*) gst_parse_launchv ((const gchar**)argvn, &error);
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}
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g_free (argvn);
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if (!pipeline) {
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if (error)
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fprintf(stderr, "ERROR: pipeline could not be constructed: %s\n", error->message);
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else
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fprintf(stderr, "ERROR: pipeline could not be constructed\n");
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exit(1);
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}
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if (!silent)
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{
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gchar **exclude_list = exclude_args ? g_strsplit (exclude_args, ",", 0) : NULL;
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g_signal_connect (pipeline, "deep_notify", G_CALLBACK (gst_element_default_deep_notify), exclude_list);
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}
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g_signal_connect (pipeline, "error", G_CALLBACK (gst_element_default_error), NULL);
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#ifndef GST_DISABLE_LOADSAVE
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if (savefile) {
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gst_xml_write_file (GST_ELEMENT (pipeline), fopen (savefile, "w"));
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}
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#endif
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if (!savefile) {
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gst_buffer_print_stats();
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gst_event_print_stats();
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fprintf(stderr,"RUNNING pipeline\n");
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if (gst_element_set_state (pipeline, GST_STATE_PLAYING) == GST_STATE_FAILURE) {
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fprintf(stderr,"pipeline doesn't want to play\n");
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res = -1;
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goto end;
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}
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s_clock = gst_bin_get_clock (GST_BIN (pipeline));
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if (!GST_FLAG_IS_SET (GST_OBJECT (pipeline), GST_BIN_SELF_SCHEDULABLE)) {
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g_idle_add (idle_func, pipeline);
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gst_main ();
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} else {
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g_print ("waiting for the state change...\n");
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gst_element_wait_state_change (pipeline);
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g_print ("got the state change...\n");
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}
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gst_element_set_state (pipeline, GST_STATE_NULL);
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}
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end:
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gst_buffer_print_stats();
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gst_event_print_stats();
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gst_object_unref (GST_OBJECT (pipeline));
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return res;
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}
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