mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-02 16:52:42 +00:00
57dc4b544d
Original commit message from CVS: doc and configure updates, and the beginnings of gst-xmllaunch
178 lines
4 KiB
C
178 lines
4 KiB
C
#include <glib.h>
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#include <gst/gst.h>
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#include <gst/gstparse.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gst/gstpropsprivate.h>
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#include <sys/time.h>
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static int launch_argc;
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static char **launch_argv;
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static guint64 iterations = 0;
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static guint64 sum = 0;
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static guint64 min = G_MAXINT;
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static guint64 max = 0;
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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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struct timeval tfthen, tfnow;
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guint64 diff;
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gettimeofday (&tfthen, (struct timezone *)NULL);
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busy = gst_bin_iterate (GST_BIN (data));
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iterations++;
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gettimeofday (&tfnow, (struct timezone *)NULL);
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diff = ((guint64)tfnow.tv_sec*1000000LL+tfnow.tv_usec) -
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((guint64)tfthen.tv_sec*1000000LL+tfthen.tv_usec);
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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 us, average %llu us, min %llu us, max %llu us)\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 void
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print_props (gpointer data, gpointer user_data)
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{
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GstPropsEntry *entry = (GstPropsEntry *)data;
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GstElement *element = GST_ELEMENT (user_data);
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g_print ("%s: %s: ", gst_element_get_name (element),
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g_quark_to_string (entry->propid));
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switch (entry->propstype) {
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case GST_PROPS_INT_ID:
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g_print ("%d\n", entry->data.int_data);
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break;
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case GST_PROPS_STRING_ID:
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g_print ("%s\n", entry->data.string_data.string);
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break;
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case GST_PROPS_FLOAT_ID:
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g_print ("%f\n", entry->data.float_data);
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break;
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default:
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g_print ("unknown\n");
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}
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}
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static void
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event_func (GstElement *element, GstEvent *event)
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{
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GstProps *props;
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if (event == NULL)
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return;
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if (GST_EVENT_TYPE (event) == GST_EVENT_INFO) {
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props = GST_EVENT_INFO_PROPS (event);
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g_list_foreach (props->properties, print_props, GST_EVENT_SRC (event));
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}
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}
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static GstElement*
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xmllaunch_parse_cmdline (gint argc, const gchar **argv)
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{
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GstElement *pipeline = NULL;
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GstXML *xml;
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gboolean err;
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GList *l;
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if (argc < 2) {
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g_print ("usage: %s <file.xml> [ element.property=value ... ]\n", argv[0]);
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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, argv[1], NULL);
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if (err != TRUE) {
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fprintf (stderr, "ERROR: parse of xml file '%s' failed\n", argv[1]);
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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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return NULL;
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else
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return l->data;
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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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GstElement *pipeline;
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char **argvn;
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gchar *cmdline;
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int i;
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gboolean save_pipeline = FALSE;
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gboolean run_pipeline = TRUE;
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gchar *savefile = "";
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free (malloc (8)); /* -lefence */
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gst_init (&argc, &argv);
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if (argc >= 3 && !strcmp(argv[1], "-o")) {
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save_pipeline = TRUE;
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run_pipeline = FALSE;
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savefile = argv[2];
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argv[2] = argv[0];
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argv+=2;
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argc-=2;
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}
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launch_argc = argc;
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launch_argv = argv;
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if (strstr (argv[0], "gst-xmllaunch")) {
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pipeline = xmllaunch_parse_cmdline (argc, argv);
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} else {
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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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pipeline = (GstElement*) gst_parse_launchv (argvn);
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}
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if (!pipeline) {
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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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g_signal_connect (G_OBJECT (pipeline), "event", G_CALLBACK (event_func), NULL);
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#ifndef GST_DISABLE_LOADSAVE
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if (save_pipeline) {
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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 (run_pipeline) {
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gst_buffer_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_SUCCESS) {
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fprintf(stderr,"pipeline doesn't want to play\n");
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exit (-1);
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}
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g_idle_add (idle_func, pipeline);
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gst_main ();
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_buffer_print_stats();
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}
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gst_object_unref (GST_OBJECT (pipeline));
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return 0;
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}
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