gstreamer/gst/gstlibs.override

/* -*- Mode: C; ; c-basic-offset: 4 -*- */
/* gst-python
 * Copyright (C) 2005 Edward Hervey
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 * 
 * Author: Johan Dahlin <johan@gnome.org>
 */
%%
override gst_controller_set args
static PyObject *
_wrap_gst_controller_set (PyGObject *self, PyObject *args)
{
  GstController	*controller = (GstController *) self->obj;
  gchar		*param_name;
  GstClockTime	timestamp;
  GValue	value = { 0, };
  PyObject	*pvalue;
  GType		type = 0;
  GList		*tmp;
  gboolean	res;

  if (!PyArg_ParseTuple(args, "sLO:GstController.set",
			&param_name, &timestamp, &pvalue))
    return NULL;

  /* We need to find the GType to convert to */
  for (tmp = controller->properties; tmp; tmp = g_list_next (tmp)) {
    GstControlledProperty	*prop = (GstControlledProperty *) tmp->data;
    if (!strcmp (prop->name, param_name))
      type = prop->type;
  }

  if (!type) {
    PyErr_SetString (PyExc_TypeError,
		     "The controller doesn't handle the given property");
    return NULL;
  }

  g_value_init (&value, type);

  if (pyg_value_from_pyobject (&value, pvalue)) {
    PyErr_SetString (PyExc_TypeError,
		     "Couldn't convert the given value to the good type");
    return NULL;
  }

  res = gst_controller_set (controller, param_name, timestamp, &value);
  if (res) {
    Py_INCREF (Py_True);
    return Py_True;
  }
  Py_INCREF (Py_False);
  return Py_False;
}
%%
override gst_controller_new_list args
static int
_wrap_gst_controller_new_list(PyGObject *self, PyObject *args)
{
    PyGObject	*target;
    gint	len;
    GList	*list = NULL;

    if ((len = PyTuple_Size(args)) < 1) {
	PyErr_SetString(PyExc_TypeError, "Controller requires at least a target object");
	return -1;
    }
    target = (PyGObject *) PyTuple_GetItem(args, 0);
    if (len > 1)
	while (len-- > 1) {
	    PyObject	*temp;
	    gchar	*str;

	    temp = PyTuple_GetItem(args, len);
	    str = PyString_AsString(temp);
	    GST_INFO("prepending %s [%d]", str, len);
	    list = g_list_prepend(list, PyString_AsString(temp));
	}

    self->obj = (GObject *) gst_controller_new_list(target->obj, list);

    if (!self->obj) {
	PyErr_SetString(PyExc_RuntimeError, "could not create GstController object");
	return -1;
    }
    
    pygobject_register_wrapper((PyObject *) self);
    return 0;
}