gstreamer/gst/gstbin.override
2009-04-02 17:21:58 +02:00

265 lines
7.5 KiB
C

/* -*- Mode: C; ; c-file-style: "python" -*- */
/* gst-python
* Copyright (C) 2004 Johan Dahlin
*
* 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>
*/
%%
ignore
gst_bin_get_by_name_recurse_up
%%
override gst_bin_add args
static PyObject *
_wrap_gst_bin_add(PyGObject *self, PyObject *args)
{
PyGObject *element;
int i, len;
len = PyTuple_Size(args);
if (len == 0) {
PyErr_SetString(PyExc_TypeError, "GstBin.add_many requires at least one argument");
return NULL;
}
for (i = 0; i < len; i++) {
element = (PyGObject*)PyTuple_GetItem(args, i);
if (!pygobject_check(element, &PyGstElement_Type))
{
PyErr_SetString(PyExc_TypeError, "argument must be a GstElement");
return NULL;
}
}
for (i = 0; i < len; i++) {
gboolean rest;
element = (PyGObject*)PyTuple_GetItem(args, i);
pyg_begin_allow_threads;
rest = gst_bin_add(GST_BIN(self->obj), GST_ELEMENT(element->obj));
pyg_end_allow_threads;
if (!rest) {
PyErr_Format(PyGstExc_AddError, "Could not add element '%s'", GST_OBJECT_NAME(element->obj));
return NULL;
}
}
Py_INCREF(Py_None);
return Py_None;
}
%%
override gst_bin_add_many kwargs
static PyObject *
_wrap_gst_bin_add_many(PyGObject *self, PyObject *args)
{
if (PyErr_Warn(PyExc_DeprecationWarning, "gst.Bin.add_many() is deprecated, use gst.Bin.add()") < 0)
return NULL;
return _wrap_gst_bin_add (self, args);
}
%%
override gst_bin_remove args
static PyObject *
_wrap_gst_bin_remove(PyGObject *self, PyObject *args)
{
PyGObject *element;
int i, len;
len = PyTuple_Size(args);
if (len == 0) {
PyErr_SetString(PyExc_TypeError, "GstBin.remove_many requires at least one argument");
return NULL;
}
for (i = 0; i < len; i++) {
element = (PyGObject*)PyTuple_GetItem(args, i);
if (!pygobject_check(element, &PyGstElement_Type))
{
PyErr_SetString(PyExc_TypeError, "argument must be a GstElement");
return NULL;
}
}
for (i = 0; i < len; i++) {
gboolean rest;
element = (PyGObject*)PyTuple_GetItem(args, i);
pyg_begin_allow_threads;
rest = gst_bin_remove(GST_BIN(self->obj), GST_ELEMENT(element->obj));
pyg_end_allow_threads;
if (!rest) {
PyErr_Format(PyGstExc_RemoveError, "Could not remove element '%s'", GST_OBJECT_NAME(element->obj));
return NULL;
}
}
Py_INCREF(Py_None);
return Py_None;
}
%%
override gst_bin_remove_many kwargs
static PyObject *
_wrap_gst_bin_remove_many(PyGObject *self, PyObject *args)
{
if (PyErr_Warn(PyExc_DeprecationWarning, "gst.Bin.remove_many() is deprecated, use gst.Bin.remove()") < 0)
return NULL;
return _wrap_gst_bin_remove (self, args);
}
%%
override gst_bin_get_by_name kwargs
static PyObject *
_wrap_gst_bin_get_by_name(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "name", "recurse", NULL };
char *name;
gboolean recurse = FALSE;
GstElement *el;
PyObject *ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|b:GstBin.get_by_name",
kwlist, &name, &recurse))
return NULL;
if (recurse)
el = gst_bin_get_by_name_recurse_up(GST_BIN(self->obj), name);
else
el = gst_bin_get_by_name(GST_BIN(self->obj), name);
/* pygobject_new handles NULL checking */
ret = pygobject_new((GObject *)el);
if (el)
gst_object_unref (el); /* from get_by_name */
return ret;
}
%%
override-slot GstBin.tp_iter
static PyObject *
_wrap_gst_bin_tp_iter(PyGObject *self)
{
return _wrap_gst_bin_iterate_elements(self);
}
%%
override GstBin__do_handle_message kwargs
static PyObject *
_wrap_GstBin__do_handle_message(PyObject *cls, PyObject *args, PyObject *kwargs)
{
gpointer klass;
static char *kwlist[] = { "self", "message", NULL };
PyGObject *self;
PyGstMiniObject *message;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,"O!O!:GstBin.handle_message", kwlist, &PyGstBin_Type, &self, &PyGstMessage_Type, &message))
return NULL;
klass = g_type_class_ref(pyg_type_from_object(cls));
if (GST_BIN_CLASS(klass)->handle_message) {
gst_mini_object_ref (message->obj);
pyg_begin_allow_threads;
GST_BIN_CLASS(klass)->handle_message(GST_BIN(self->obj), GST_MESSAGE(message->obj));
pyg_end_allow_threads;
} else {
PyErr_SetString(PyExc_NotImplementedError, "virtual method GstBin.handle_message not implemented");
g_type_class_unref(klass);
return NULL;
}
g_type_class_unref(klass);
Py_INCREF(Py_None);
return Py_None;
}
%%
override GstBin__proxy_do_handle_message
static void
_wrap_GstBin__proxy_do_handle_message(GstBin *self, GstMessage*message)
{
PyGILState_STATE __py_state;
PyObject *py_self;
PyObject *py_message = NULL;
PyObject *py_retval;
PyObject *py_args;
PyObject *py_method;
__py_state = pyg_gil_state_ensure();
py_self = pygobject_new((GObject *) self);
if (!py_self) {
if (PyErr_Occurred())
PyErr_Print();
pyg_gil_state_release(__py_state);
return;
}
if (message) {
py_message = pygstminiobject_new((GstMiniObject *) message);
gst_mini_object_unref ((GstMiniObject *) message);
} else {
Py_INCREF(Py_None);
py_message = Py_None;
}
py_args = PyTuple_New(1);
Py_INCREF(py_message);
PyTuple_SET_ITEM(py_args, 0, py_message);
py_method = PyObject_GetAttrString(py_self, "do_handle_message");
if (!py_method) {
if (PyErr_Occurred())
PyErr_Print();
Py_DECREF(py_args);
gst_mini_object_ref ((GstMiniObject *) message); Py_DECREF(py_message);
Py_DECREF(py_self);
pyg_gil_state_release(__py_state);
return;
}
py_retval = PyObject_CallObject(py_method, py_args);
if (!py_retval) {
if (PyErr_Occurred())
PyErr_Print();
Py_DECREF(py_method);
Py_DECREF(py_args);
gst_mini_object_ref ((GstMiniObject *) message); Py_DECREF(py_message);
Py_DECREF(py_self);
pyg_gil_state_release(__py_state);
return;
}
if (py_retval != Py_None) {
if (PyErr_Occurred())
PyErr_Print();
PyErr_SetString(PyExc_TypeError, "retval should be None");
Py_DECREF(py_retval);
Py_DECREF(py_method);
Py_DECREF(py_args);
gst_mini_object_ref ((GstMiniObject *) message); Py_DECREF(py_message);
Py_DECREF(py_self);
pyg_gil_state_release(__py_state);
return;
}
Py_DECREF(py_retval);
Py_DECREF(py_method);
Py_DECREF(py_args);
gst_mini_object_ref ((GstMiniObject *) message); Py_DECREF(py_message);
/* #577735: since the bus handler will return BUS_DROP, we should unref.
This is the only change from the generated code. */
gst_mini_object_unref ((GstMiniObject *) message);
Py_DECREF(py_self);
pyg_gil_state_release(__py_state);
}