gstreamer/gst/gstcaps.override

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/* -*- Mode: C; c-basic-offset: 4 -*- */
/* gst-python
* Copyright (C) 2005 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_caps_new_simple
gst_caps_new_full
gst_caps_set_simple
%%
override gst_caps_new_empty kwargs
static int
_wrap_gst_caps_new_empty(PyGBoxed *self, PyObject *args, PyObject *kwargs)
{
PyObject* item;
int len, i;
/* we wrap caps_new, caps_from_string and caps_new_full */
len = PyTuple_Size(args);
self->gtype = GST_TYPE_CAPS;
self->free_on_dealloc = FALSE;
if (len == 0) {
/* 0 length creates a new empty caps */
self->boxed = gst_caps_new_empty();
goto beach;
} else if (len == 1) {
/* 1 length is either a string or a structure */
item = PyTuple_GetItem(args, 0);
if (PyString_Check(item)) {
self->boxed = gst_caps_from_string(PyString_AsString(item));
goto beach;
} else if (!pyg_boxed_check(item, GST_TYPE_STRUCTURE)) {
PyErr_SetString(PyExc_TypeError, "argument must be a string or a GstStructure");
return -1;
}
}
/* it's either one GstStructure or several whatevers */
self->boxed = gst_caps_new_empty();
for (i = 0; i < len; i++)
{
item = PyTuple_GetItem(args, i);
if (!pyg_boxed_check(item, GST_TYPE_STRUCTURE))
{
PyErr_SetString(PyExc_TypeError, "argument must be a GstStructure");
gst_caps_free(self->boxed);
return -1;
}
gst_caps_append_structure(self->boxed, pyg_boxed_get(item, GstStructure));
}
beach:
if (!self->boxed) {
PyErr_SetString(PyExc_RuntimeError, "could not create GstCaps object");
return -1;
}
return 0;
}
%%
override gst_caps_get_structure kwargs
static PyObject *
_wrap_gst_caps_get_structure(PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "index", NULL };
int index;
GstStructure *ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i:GstCaps.get_structure", kwlist, &index))
return NULL;
ret = gst_caps_get_structure(pyg_boxed_get(self, GstCaps), index);
/* pyg_boxed_new handles NULL checking */
return pyg_boxed_new(GST_TYPE_STRUCTURE, ret, FALSE, FALSE);
}
%%
override-slot GstCaps.tp_as_sequence
static int
caps_length(PyGObject *self)
{
return gst_caps_get_size((GstCaps*)self->obj);
}
static PyObject *
caps_item(PyGObject *self, int i)
{
GstStructure *structure;
if (i < 0 || i >= gst_caps_get_size((GstCaps*)self->obj)) {
PyErr_SetString(PyExc_IndexError, "list index out of range");
return NULL;
}
structure = gst_caps_get_structure((GstCaps*)self->obj, i);
return pyg_boxed_new(GST_TYPE_STRUCTURE, structure, TRUE, TRUE);
}
static PySequenceMethods _wrap_gst_caps_tp_as_sequence = {
(inquiry)caps_length, /* mp_length */
NULL,
NULL,
(intargfunc)caps_item,
NULL,
NULL,
NULL,
NULL,
};
%%
override-slot GstCaps.tp_str
static PyObject *
_wrap_gst_caps_tp_str(PyGObject *self)
{
gchar *tmp;
PyObject *retval;
tmp = gst_caps_to_string((GstCaps*)self->obj);
retval = PyString_FromString(tmp);
g_free(tmp);
return retval;
}