C++ (Cpp) gst_value_array_append_and_take_value Beispiele

Beispiel #1

Datei: gstbufferpool.c Projekt: ConfusedReality/pkg_multimedia_gstreamer

/**
 * gst_buffer_pool_config_add_option:
 * @config: a #GstBufferPool configuration
 * @option: an option to add
 *
 * Enabled the option in @config. This will instruct the @bufferpool to enable
 * the specified option on the buffers that it allocates.
 *
 * The supported options by @pool can be retrieved with gst_buffer_pool_get_options().
 */
void
gst_buffer_pool_config_add_option (GstStructure * config, const gchar * option)
{
  const GValue *value;
  GValue option_value = { 0, };
  guint i, len;

  g_return_if_fail (config != NULL);

  value = gst_structure_id_get_value (config, GST_QUARK (OPTIONS));
  if (value) {
    len = gst_value_array_get_size (value);
    for (i = 0; i < len; ++i) {
      const GValue *nth_val = gst_value_array_get_value (value, i);

      if (g_str_equal (option, g_value_get_string (nth_val)))
        return;
    }
  } else {
    GValue new_array_val = { 0, };

    g_value_init (&new_array_val, GST_TYPE_ARRAY);
    gst_structure_id_take_value (config, GST_QUARK (OPTIONS), &new_array_val);
    value = gst_structure_id_get_value (config, GST_QUARK (OPTIONS));
  }
  g_value_init (&option_value, G_TYPE_STRING);
  g_value_set_string (&option_value, option);
  gst_value_array_append_and_take_value ((GValue *) value, &option_value);
}

Beispiel #2

Datei: gstmodule.c Projekt: thiblahute/gst-python

static int
gi_gst_array_to_value (GValue * value, PyObject * object)
{
  gint len, i;

  len = PySequence_Length (object);

  for (i = 0; i < len; i++) {
    GValue v = G_VALUE_INIT;
    GType type;
    PyObject *item;

    item = PySequence_GetItem (object, i);

    if (item == Py_None)
      type = G_TYPE_POINTER;
    else
      type = pyg_type_from_object ((PyObject *) Py_TYPE (item));

    if (type == G_TYPE_NONE) {
      Py_DECREF (item);
      goto fail;
    }

    g_value_init (&v, type);

    if (pyg_value_from_pyobject (&v, item) < 0) {
      Py_DECREF (item);
      goto fail;
    }

    gst_value_array_append_and_take_value (value, &v);
    Py_DECREF (item);
  }

  return 0;

fail:
  PyErr_SetString (PyExc_KeyError,
      "Object is not compatible with Gst.ValueArray");
  return -1;
}