gstreamer/gst/gstmessage.override

/* -*- Mode: C; ; c-file-style: "python" -*- */
/* 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-slot GstMessage.tp_repr
static PyObject *
_wrap_gst_message_tp_repr (PyGstMiniObject *self)
{
    GstMessage *msg;
    gchar *repr, *structure_str, *src_str;
    PyObject *ret;

    g_assert (self);
    msg = GST_MESSAGE (self->obj);
    g_assert (msg);

    structure_str = msg->structure ? gst_structure_to_string (msg->structure)
        : g_strdup ("(none)");
    src_str = msg->src ? gst_object_get_name (msg->src) : g_strdup ("(no src)");

    repr = g_strdup_printf ("<gst.Message %s from %s at %p>",
        structure_str, src_str, msg);
    g_free (src_str);
    g_free (structure_str);

    ret = PyString_FromStringAndSize(repr, strlen (repr));
    g_free (repr);

    return ret;
}

%%
override gst_message_parse_state_changed noargs
static PyObject *
_wrap_gst_message_parse_state_changed (PyGstMiniObject *self)
{
  GstState	old;
  GstState	new;
  GstState	pen;
  PyObject      *ret;

  /* Should raise an exception if it's not a state-changed message */
  if (GST_MESSAGE(self->obj)->type != GST_MESSAGE_STATE_CHANGED) {
	  PyErr_SetString(PyExc_TypeError, "Message is not a state-changed message");
	  return NULL;
  }
  gst_message_parse_state_changed (GST_MESSAGE(self->obj), &old, &new, &pen);
  /* Return this as a tuple */
  ret = PyList_New(3);
  PyList_SET_ITEM(ret, 0, pyg_enum_from_gtype(GST_TYPE_STATE, old));
  PyList_SET_ITEM(ret, 1, pyg_enum_from_gtype(GST_TYPE_STATE, new));
  PyList_SET_ITEM(ret, 2, pyg_enum_from_gtype(GST_TYPE_STATE, pen));
  return ret;
}
%%
override gst_message_parse_segment_start noargs
static PyObject *
_wrap_gst_message_parse_segment_start (PyGstMiniObject *self)
{
  gint64		position;
  GstFormat             format;
  PyObject		*ret;

  /* Should raise an exception if it's not a segment start message */
  if (GST_MESSAGE(self->obj)->type != GST_MESSAGE_SEGMENT_START) {
	  PyErr_SetString(PyExc_TypeError, "Message is not a segment start message");
	  return NULL;
  }
  gst_message_parse_segment_start (GST_MESSAGE(self->obj), &format, &position);

  /* Return this as a tuple */
  ret = PyList_New(2);
  PyList_SET_ITEM(ret, 0, pyg_enum_from_gtype(GST_TYPE_FORMAT, format));
  PyList_SET_ITEM(ret, 1, PyLong_FromLongLong(position));

  return ret;
}

%%
override gst_message_parse_segment_done noargs
static PyObject *
_wrap_gst_message_parse_segment_done (PyGstMiniObject *self)
{
  gint64		position;
  GstFormat             format;
  PyObject		*ret;

  /* Should raise an exception if it's not a segment done message */
  if (GST_MESSAGE(self->obj)->type != GST_MESSAGE_SEGMENT_DONE) {
	  PyErr_SetString(PyExc_TypeError, "Message is not a segment done message");
	  return NULL;
  }
  gst_message_parse_segment_done (GST_MESSAGE(self->obj), &format, &position);

  /* Return this as a tuple */
  ret = PyList_New(2);
  PyList_SET_ITEM(ret, 0, pyg_enum_from_gtype(GST_TYPE_FORMAT, format));
  PyList_SET_ITEM(ret, 1, PyLong_FromLongLong(position));

  return ret;
}

%%
override gst_message_parse_error noargs
static PyObject *
_wrap_gst_message_parse_error (PyGstMiniObject *self)
{
	PyObject	*ret;
	GError	*error = NULL;
	gchar	*debug;
	
	if (GST_MESSAGE_TYPE(self->obj) != GST_MESSAGE_ERROR) {
		PyErr_SetString(PyExc_TypeError, "Message is not an error message");
		return NULL;
	}

	gst_message_parse_error (GST_MESSAGE(self->obj), &error, &debug);

	ret = PyList_New(2);
	PyList_SetItem(ret, 0, pyg_boxed_new (GST_TYPE_G_ERROR, error, TRUE, TRUE));
	if (error)
		g_error_free (error);
	if (debug != NULL) {
		PyList_SetItem(ret, 1, PyString_FromString(debug));
	} else {
		Py_INCREF (Py_None);
		PyList_SetItem(ret, 1, Py_None);
	}
	g_free(debug);
	return ret;
}
%%
override gst_message_parse_warning noargs
static PyObject *
_wrap_gst_message_parse_warning (PyGstMiniObject *self)
{
	PyObject	*ret;
	GError		*warning;
	gchar	*debug;
	
	if (GST_MESSAGE_TYPE(self->obj) != GST_MESSAGE_WARNING) {
		PyErr_SetString(PyExc_TypeError, "Message is not an warning message");
		return NULL;
	}

	gst_message_parse_warning (GST_MESSAGE(self->obj), &warning, &debug);

	ret = PyList_New(1);
	PyList_SetItem(ret, 0, pyg_boxed_new (GST_TYPE_G_ERROR, warning, TRUE, TRUE));
	if (debug != NULL)
		PyList_Append(ret, PyString_FromString(debug));

	return ret;
}
%%
override gst_message_parse_tag noargs
static PyObject *
_wrap_gst_message_parse_tag (PyGstMiniObject *self)
{
	PyObject	*ret;
	GstTagList	*taglist;
	
	if (GST_MESSAGE_TYPE(self->obj) != GST_MESSAGE_TAG) {
		PyErr_SetString(PyExc_TypeError, "Message is not an Tag message");
		return NULL;
	}

	gst_message_parse_tag (GST_MESSAGE(self->obj), &taglist);

	ret = pyg_boxed_new (GST_TYPE_TAG_LIST, taglist, TRUE, TRUE);
	gst_tag_list_free (taglist);
	return ret;
}
%%
override gst_message_parse_clock_provide noargs
static PyObject *
_wrap_gst_message_parse_clock_provide (PyGstMiniObject *self)
{
  GstClock	*clock;
  gboolean	ready;
  PyObject	*ret;

  if (GST_MESSAGE(self->obj)->type != GST_MESSAGE_CLOCK_PROVIDE) {
	  PyErr_SetString(PyExc_TypeError, "Message is not a 'clock provide' message");
	  return NULL;
  }

  gst_message_parse_clock_provide (GST_MESSAGE(self->obj), &clock, &ready);

  ret = PyList_New(2);
  PyList_SET_ITEM(ret, 0, pygstobject_new(G_OBJECT (clock)));
  PyList_SET_ITEM(ret, 1, PyBool_FromLong(ready));

  return ret;
}
%%
override gst_message_parse_clock_lost noargs
static PyObject *
_wrap_gst_message_parse_clock_lost (PyGstMiniObject *self)
{
  GstClock	*clock;

  if (GST_MESSAGE(self->obj)->type != GST_MESSAGE_CLOCK_LOST) {
	  PyErr_SetString(PyExc_TypeError, "Message is not a 'clock lost' message");
	  return NULL;
  }

  gst_message_parse_clock_lost (GST_MESSAGE(self->obj), &clock);

  return pygstobject_new(G_OBJECT(clock));
}
%%
override gst_message_parse_new_clock noargs
static PyObject *
_wrap_gst_message_parse_new_clock (PyGstMiniObject *self)
{
  GstClock	*clock;

  if (GST_MESSAGE(self->obj)->type != GST_MESSAGE_NEW_CLOCK) {
	  PyErr_SetString(PyExc_TypeError, "Message is not a 'new clock' message");
	  return NULL;
  }

  gst_message_parse_new_clock (GST_MESSAGE(self->obj), &clock);

  return pygstobject_new(G_OBJECT(clock));
}
%%
override gst_message_parse_duration noargs
static PyObject *
_wrap_gst_message_parse_duration (PyGstMiniObject *self)
{
  GstFormat	format;
  gint64	duration;
  PyObject	*ret;

  if (GST_MESSAGE(self->obj)->type != GST_MESSAGE_DURATION) {
	  PyErr_SetString(PyExc_TypeError, "Message is not a 'duration' message");
	  return NULL;
  }

  gst_message_parse_duration (GST_MESSAGE(self->obj), &format, &duration);

  ret = PyList_New(2);
  PyList_SET_ITEM(ret, 0, pyg_enum_from_gtype (GST_TYPE_FORMAT, format));
  PyList_SET_ITEM(ret, 1, PyLong_FromLongLong(duration));

  return ret;
}