#include <string.h> #include <stdlib.h> #include <signal.h> #include <sys/wait.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 ("%" G_GINT64_FORMAT "\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 %" G_GUINT64_FORMAT " iterations (sum %" G_GUINT64_FORMAT " ns, average %" G_GUINT64_FORMAT " ns, min %" G_GUINT64_FORMAT " ns, max %" G_GUINT64_FORMAT " ns)\n", iterations, sum, sum/iterations, min, max); } return busy; } #ifndef GST_DISABLE_LOADSAVE static GstElement* xmllaunch_parse_cmdline (const gchar **argv) { GstElement *pipeline = NULL, *e; GstXML *xml; gboolean err; const gchar *arg; gchar *element, *property, *value; GList *l; gint i = 0; if (!(arg = argv[0])) { g_print ("usage: gst-xmllaunch <file.xml> [ element.property=value ... ]\n"); exit (1); } xml = gst_xml_new (); err = gst_xml_parse_file(xml, arg, NULL); if (err != TRUE) { 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'; 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); } g_free (element); } if (!l) return NULL; else return l->data; } #endif extern volatile gboolean glib_on_error_halt; static void fault_restore(void); static void fault_handler (int signum, siginfo_t *si, void *misc) { int spinning = TRUE; fault_restore (); if (si->si_signo == SIGSEGV) { g_print ("Caught SIGSEGV accessing address %p\n", si->si_addr); } else if (si->si_signo == SIGQUIT){ g_print ("Caught SIGQUIT\n"); } else { g_print ("signo: %d\n", si->si_signo); g_print ("errno: %d\n", si->si_errno); g_print ("code: %d\n", si->si_code); } glib_on_error_halt = FALSE; g_on_error_stack_trace ("gst-launch"); wait (NULL); #if 1 /* FIXME how do we know if we were run by libtool? */ g_print ("Spinning. Please run 'gdb gst-launch %d' to continue debugging, " "Ctrl-C to quit, or Ctrl-\\ to dump core.\n", getpid ()); while (spinning) usleep (1000000); #else /* This spawns a gdb and attaches it to gst-launch. */ { char str[40]; sprintf (str, "gdb -quiet gst-launch %d", getpid ()); system (str); } _exit(0); #endif } static void fault_restore (void) { struct sigaction action; memset (&action, 0, sizeof (action)); action.sa_handler = SIG_DFL; sigaction(SIGSEGV, &action, NULL); sigaction(SIGQUIT, &action, NULL); } static void fault_setup (void) { struct sigaction action; memset (&action, 0, sizeof (action)); action.sa_sigaction = fault_handler; action.sa_flags = SA_SIGINFO; sigaction (SIGSEGV, &action, NULL); sigaction (SIGQUIT, &action, NULL); } int main(int argc, char *argv[]) { /* options */ gboolean verbose = FALSE; gboolean no_fault = FALSE; gboolean trace = FALSE; gchar *savefile = NULL; gchar *exclude_args = NULL; struct poptOption options[] = { {"verbose", 'v', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &verbose, 0, "output status information and property notifications", NULL}, {"exclude", 'X', POPT_ARG_STRING|POPT_ARGFLAG_STRIP, &exclude_args, 0, "do not output status information of TYPE", "TYPE1,TYPE2,..."}, #ifndef GST_DISABLE_LOADSAVE {"output", 'o', POPT_ARG_STRING|POPT_ARGFLAG_STRIP, &savefile, 0, "save xml representation of pipeline to FILE and exit", "FILE"}, #endif {"no_fault", 'f', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &no_fault, 0, "Do not install a fault handler", NULL}, {"trace", 't', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &trace, 0, "print alloc trace if enabled at compile time", NULL}, POPT_TABLEEND }; GstElement *pipeline; gchar **argvn; GError *error = NULL; gint res = 0; free (malloc (8)); /* -lefence */ gst_alloc_trace_set_flags_all (GST_ALLOC_TRACE_LIVE); gst_init_with_popt_table (&argc, &argv, options); if (!no_fault) fault_setup(); if (trace) { if (!gst_alloc_trace_available()) { g_warning ("trace not available (recompile with trace enabled)"); } gst_alloc_trace_print_all (); } /* make a null-terminated version of argv */ argvn = g_new0 (char*, argc); memcpy (argvn, argv+1, sizeof (char*) * (argc-1)); #ifndef GST_DISABLE_LOADSAVE if (strstr (argv[0], "gst-xmllaunch")) { pipeline = xmllaunch_parse_cmdline ((const gchar**)argvn); } else #endif { pipeline = (GstElement*) gst_parse_launchv ((const gchar**)argvn, &error); } g_free (argvn); if (!pipeline) { if (error) fprintf(stderr, "ERROR: pipeline could not be constructed: %s\n", error->message); else fprintf(stderr, "ERROR: pipeline could not be constructed\n"); exit(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); #ifndef GST_DISABLE_LOADSAVE if (savefile) { gst_xml_write_file (GST_ELEMENT (pipeline), fopen (savefile, "w")); } #endif if (!savefile) { fprintf(stderr,"RUNNING pipeline\n"); if (gst_element_set_state (pipeline, GST_STATE_PLAYING) == GST_STATE_FAILURE) { fprintf(stderr,"pipeline doesn't want to play\n"); res = -1; goto end; } s_clock = gst_bin_get_clock (GST_BIN (pipeline)); if (!GST_FLAG_IS_SET (GST_OBJECT (pipeline), GST_BIN_SELF_SCHEDULABLE)) { g_idle_add (idle_func, pipeline); gst_main (); } else { g_print ("waiting for the state change...\n"); gst_element_wait_state_change (pipeline); g_print ("got the state change...\n"); } gst_element_set_state (pipeline, GST_STATE_NULL); } end: gst_object_unref (GST_OBJECT (pipeline)); if (trace) gst_alloc_trace_print_all (); return res; }