mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-15 13:53:19 +00:00
473 lines
11 KiB
C
473 lines
11 KiB
C
#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <locale.h>
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#include <gst/gst.h>
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/* FIXME: This is just a temporary hack. We should have a better
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* check for siginfo handling. */
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#ifdef SA_SIGINFO
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#define USE_SIGINFO
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#endif
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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 fault_spin (void);
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static void sigint_restore (void);
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static gint max_iterations = 0;
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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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static GstElement *pipeline;
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gboolean caught_intr = FALSE;
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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 ("%" G_GINT64_FORMAT "\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 || caught_intr || (max_iterations>0 && iterations>=max_iterations)) {
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gst_main_quit ();
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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",
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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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#ifndef GST_DISABLE_LOADSAVE
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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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#endif
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#ifndef USE_SIGINFO
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static void
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fault_handler_sighandler (int signum)
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{
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fault_restore ();
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switch (signum) {
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case SIGSEGV:
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g_print ("Caught SIGSEGV\n");
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break;
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case SIGQUIT:
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g_print ("Caught SIGQUIT\n");
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break;
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default:
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g_print ("signo: %d\n", signum);
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break;
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}
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fault_spin();
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}
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#else
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static void
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fault_handler_sigaction (int signum, siginfo_t *si, void *misc)
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{
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fault_restore ();
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switch (si->si_signo) {
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case SIGSEGV:
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g_print ("Caught SIGSEGV accessing address %p\n", si->si_addr);
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break;
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case SIGQUIT:
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g_print ("Caught SIGQUIT\n");
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break;
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default:
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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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break;
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}
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fault_spin();
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}
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#endif
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static void
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fault_spin (void)
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{
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int spinning = TRUE;
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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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/* 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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(gint) getpid ());
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while (spinning) g_usleep (1000000);
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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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#ifdef USE_SIGINFO
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action.sa_sigaction = fault_handler_sigaction;
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action.sa_flags = SA_SIGINFO;
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#else
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action.sa_handler = fault_handler_sighandler;
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#endif
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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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print_tag (const GstTagList *list, const gchar *tag, gpointer unused)
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{
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gint i, count;
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count = gst_tag_list_get_tag_size (list, tag);
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for (i = 0; i < count; i++) {
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gchar *str;
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if (gst_tag_get_type (tag) == G_TYPE_STRING) {
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g_assert (gst_tag_list_get_string_index (list, tag, i, &str));
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} else {
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str = g_strdup_value_contents (
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gst_tag_list_get_value_index (list, tag, i));
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}
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if (i == 0) {
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g_print ("%15s: %s\n", gst_tag_get_nick (tag), str);
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} else {
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g_print (" : %s\n", str);
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}
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g_free (str);
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}
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}
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static void
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found_tag (GObject *pipeline, GstElement *source, GstTagList *tags)
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{
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g_print ("FOUND TAG : element \"%s\"\n", GST_STR_NULL (GST_ELEMENT_NAME (source)));
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gst_tag_list_foreach (tags, print_tag, NULL);
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}
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/* we only use sighandler here because the registers are not important */
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static void
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sigint_handler_sighandler (int signum)
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{
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g_print ("Caught interrupt\n");
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sigint_restore();
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caught_intr = TRUE;
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}
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static void
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sigint_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_handler = sigint_handler_sighandler;
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sigaction (SIGINT, &action, NULL);
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}
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static void
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sigint_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 (SIGINT, &action, NULL);
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}
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static void
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play_handler (int signum)
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{
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switch (signum) {
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case SIGUSR1:
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g_print ("Caught SIGUSR1 - Play request\n");
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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break;
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case SIGUSR2:
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g_print ("Caught SIGUSR2 - Stop request\n");
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gst_element_set_state (pipeline, GST_STATE_NULL);
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break;
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}
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}
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static void
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play_signal_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_handler = play_handler;
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sigaction (SIGUSR1, &action, NULL);
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sigaction (SIGUSR2, &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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gint i, j;
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/* options */
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gboolean verbose = FALSE;
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gboolean tags = FALSE;
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gboolean no_fault = FALSE;
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gboolean trace = 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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{"tags", 't', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &tags, 0,
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"output tags (also known as metadata)", NULL},
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{"verbose", 'v', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &verbose, 0,
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"output status information and property notifications", 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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#ifndef GST_DISABLE_LOADSAVE
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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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#endif
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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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{"trace", 'T', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &trace, 0,
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"print alloc trace if enabled at compile time", NULL},
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{"iterations",'i',POPT_ARG_INT|POPT_ARGFLAG_STRIP, &max_iterations, 0,
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"number of times to iterate pipeline", NULL},
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POPT_TABLEEND
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};
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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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setlocale(LC_ALL, "");
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gst_alloc_trace_set_flags_all (GST_ALLOC_TRACE_LIVE);
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gst_init_with_popt_table (&argc, &argv, options);
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/* FIXpopt: strip short args, too. We do it ourselves for now */
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j = 1;
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for (i = 1; i < argc; i++) {
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if (*(argv[i]) == '-') {
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if (strlen (argv[i]) == 2) {
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gchar *c = argv[i];
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c++;
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if (*c == 'X' || *c == 'o') {
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i++;
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}
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}
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} else {
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argv[j] = argv[i];
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j++;
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}
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}
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argc = j;
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if (!no_fault)
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fault_setup();
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sigint_setup();
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play_signal_setup();
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if (trace) {
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if (!gst_alloc_trace_available()) {
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g_warning ("trace not available (recompile with trace enabled)");
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}
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gst_alloc_trace_print_all ();
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}
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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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#ifndef GST_DISABLE_LOADSAVE
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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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}
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else
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#endif
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{
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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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g_error_free (error);
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} else {
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fprintf(stderr, "ERROR: pipeline could not be constructed\n");
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}
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exit(1);
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} else if (error) {
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fprintf(stderr, "WARNING: erroneous pipeline: %s\n Trying to run anyway\n", error->message);
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g_error_free (error);
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}
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if (verbose) {
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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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if (tags) {
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g_signal_connect (pipeline, "found-tag", G_CALLBACK (found_tag), NULL);
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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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if (!GST_IS_BIN (pipeline)) {
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GstElement *real_pipeline = gst_element_factory_make ("pipeline", NULL);
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if (real_pipeline == NULL) {
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fprintf(stderr, "ERROR: The pipeline element wasn't found.\n");
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exit(1);
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}
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gst_bin_add (GST_BIN (real_pipeline), pipeline);
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pipeline = real_pipeline;
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}
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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_object_unref (GST_OBJECT (pipeline));
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if (trace)
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gst_alloc_trace_print_all ();
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return res;
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}
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