C++ (Cpp) GST_TRACER_FACTORY Exemples

Exemple #1

Fichier : gsttracerutils.c Projet : ndufresne/gstreamer

/* Initialize the tracing system */
void
_priv_gst_tracing_init (void)
{
  const gchar *env = g_getenv ("GST_TRACER_PLUGINS");

  if (env != NULL && *env != '\0') {
    GstRegistry *registry = gst_registry_get ();
    GstPluginFeature *feature;
    GstTracerFactory *factory;
    gchar **t = g_strsplit_set (env, ";", 0);
    gint i = 0;
    gchar *params;

    GST_INFO ("enabling tracers: '%s'", env);

    if (G_N_ELEMENTS (_quark_strings) != GST_TRACER_QUARK_MAX)
      g_warning ("the quark table is not consistent! %d != %d",
          (gint) G_N_ELEMENTS (_quark_strings), GST_TRACER_QUARK_MAX);

    for (i = 0; i < GST_TRACER_QUARK_MAX; i++) {
      _priv_gst_tracer_quark_table[i] =
          g_quark_from_static_string (_quark_strings[i]);
    }

    _priv_tracers = g_hash_table_new (NULL, NULL);

    i = 0;
    while (t[i]) {
      // check t[i] for params
      if ((params = strchr (t[i], '('))) {
        gchar *end = strchr (&params[1], ')');
        *params = '\0';
        params++;
        if (end)
          *end = '\0';
      } else {
        params = NULL;
      }

      GST_INFO ("checking tracer: '%s'", t[i]);

      if ((feature = gst_registry_lookup_feature (registry, t[i]))) {
        factory = GST_TRACER_FACTORY (gst_plugin_feature_load (feature));
        if (factory) {
          GST_INFO_OBJECT (factory, "creating tracer: type-id=%u",
              (guint) factory->type);

          /* tracers register them self to the hooks */
          gst_object_unref (g_object_new (factory->type, "params", params,
                  NULL));
        } else {
          GST_WARNING_OBJECT (feature,
              "loading plugin containing feature %s failed!", t[i]);
        }
      } else {
        GST_WARNING ("no tracer named '%s'", t[i]);
      }
      i++;
    }
    g_strfreev (t);
  }
}

Exemple #2

Fichier : gsttracerutils.c Projet : teamfx/openjfx-8u-dev-rt

/* Initialize the tracing system */
void
_priv_gst_tracing_init (void)
{
  gint i = 0;
  const gchar *env = g_getenv ("GST_TRACERS");

  /* We initialize the tracer sub system even if the end
   * user did not activate it through the env variable
   * so that external tools can use it anyway */
  GST_DEBUG ("Initializing GstTracer");
  _priv_tracers = g_hash_table_new (NULL, NULL);

  if (G_N_ELEMENTS (_quark_strings) != GST_TRACER_QUARK_MAX)
    g_warning ("the quark table is not consistent! %d != %d",
        (gint) G_N_ELEMENTS (_quark_strings), GST_TRACER_QUARK_MAX);

  for (i = 0; i < GST_TRACER_QUARK_MAX; i++) {
    _priv_gst_tracer_quark_table[i] =
        g_quark_from_static_string (_quark_strings[i]);
  }

  if (env != NULL && *env != '\0') {
    GstRegistry *registry = gst_registry_get ();
    GstPluginFeature *feature;
    GstTracerFactory *factory;
    gchar **t = g_strsplit_set (env, ";", 0);
    gchar *params;

    GST_INFO ("enabling tracers: '%s'", env);
    i = 0;
    while (t[i]) {
      // check t[i] for params
      if ((params = strchr (t[i], '('))) {
        gchar *end = strchr (&params[1], ')');
        *params = '\0';
        params++;
        if (end)
          *end = '\0';
      } else {
        params = NULL;
      }

      GST_INFO ("checking tracer: '%s'", t[i]);

      if ((feature = gst_registry_lookup_feature (registry, t[i]))) {
        factory = GST_TRACER_FACTORY (gst_plugin_feature_load (feature));
        if (factory) {
          GstTracer *tracer;

          GST_INFO_OBJECT (factory, "creating tracer: type-id=%u",
              (guint) factory->type);

          tracer = g_object_new (factory->type, "params", params, NULL);

          /* Clear floating flag */
          gst_object_ref_sink (tracer);

          /* tracers register them self to the hooks */
          gst_object_unref (tracer);
        } else {
          GST_WARNING_OBJECT (feature,
              "loading plugin containing feature %s failed!", t[i]);
        }
      } else {
        GST_WARNING ("no tracer named '%s'", t[i]);
      }
      i++;
    }
    g_strfreev (t);
  }
}