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gst/gst.override: Apply patch from Brian Warner to throw a link error when element and pad linking fails.

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Original commit message from CVS:
* gst/gst.override: Apply patch from Brian Warner to throw a link
error when element and pad linking fails.
This commit is contained in:
Brian Warner 2004-11-29 12:14:27 +00:00 committed by Johan Dahlin
parent ca5445fcbe
commit ebae649260
3 changed files with 191 additions and 4 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2004-11-29 Johan Dahlin <johan@gnome.org>
* gst/gstmodule.c:
* gst/gst.override: Apply patch from Brian Warner to throw a link
error when element and pad linking fails.
2004-11-27 Martin Soto <martinsoto@users.sourceforge.net>
* gst/gst.override (_wrap_gst_event_new_any)

180
gst/gst.override
View file

@ -36,6 +36,7 @@ headers
#include <gst/gsttaginterface.h>
extern gboolean pygst_data_from_pyobject (PyObject *object, GstData **data);
PyObject *PyGstExc_LinkError = NULL;
GSList *mainloops = NULL;
void
@ -312,8 +313,12 @@ _wrap_gst_element_link_many(PyObject *self, PyObject *args)
i = 2;
while (1) {
if (!gst_element_link(GST_ELEMENT(element->obj), GST_ELEMENT(element2->obj)))
return PyInt_FromLong(0);
if (!gst_element_link(GST_ELEMENT(element->obj),
GST_ELEMENT(element2->obj)))
{
PyErr_SetString(PyGstExc_LinkError, "link failed");
return NULL;
}
if (i >= len)
break;
@ -326,6 +331,122 @@ _wrap_gst_element_link_many(PyObject *self, PyObject *args)
return PyInt_FromLong(1);
}
%%
override gst_element_link kwargs
static PyObject *
_wrap_gst_element_link(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "dest", NULL };
PyGObject *dest;
int ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!:GstElement.link",
kwlist, &PyGstElement_Type, &dest))
return NULL;
ret = gst_element_link(GST_ELEMENT(self->obj), GST_ELEMENT(dest->obj));
if (!ret) {
PyErr_SetString(PyGstExc_LinkError, "link failed");
return NULL;
}
return PyBool_FromLong(ret);
}
%%
override gst_element_link_filtered kwargs
static PyObject *
_wrap_gst_element_link_filtered(PyGObject *self, PyObject *args,
PyObject *kwargs)
{
static char *kwlist[] = { "dest", "filtercaps", NULL };
PyGObject *dest;
PyObject *py_filtercaps;
int ret;
GstCaps *filtercaps = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"O!O:GstElement.link_filtered",
kwlist, &PyGstElement_Type,
&dest, &py_filtercaps))
return NULL;
if (pyg_boxed_check(py_filtercaps, GST_TYPE_CAPS))
filtercaps = pyg_boxed_get(py_filtercaps, GstCaps);
else {
PyErr_SetString(PyExc_TypeError, "filtercaps should be a GstCaps");
return NULL;
}
ret = gst_element_link_filtered(GST_ELEMENT(self->obj),
GST_ELEMENT(dest->obj),
filtercaps);
if (!ret) {
PyErr_SetString(PyGstExc_LinkError, "link failed");
return NULL;
}
return PyBool_FromLong(ret);
}
%%
override gst_element_link_pads kwargs
static PyObject *
_wrap_gst_element_link_pads(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "srcpadname", "dest", "destpadname", NULL };
char *srcpadname, *destpadname;
PyGObject *dest;
int ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"sO!s:GstElement.link_pads", kwlist,
&srcpadname, &PyGstElement_Type, &dest,
&destpadname))
return NULL;
ret = gst_element_link_pads(GST_ELEMENT(self->obj), srcpadname,
GST_ELEMENT(dest->obj), destpadname);
if (!ret) {
PyErr_SetString(PyGstExc_LinkError, "link failed");
return NULL;
}
return PyBool_FromLong(ret);
}
%%
override gst_element_link_pads_filtered kwargs
static PyObject *
_wrap_gst_element_link_pads_filtered(PyGObject *self, PyObject *args,
PyObject *kwargs)
{
static char *kwlist[] = { "srcpadname", "dest", "destpadname",
"filtercaps", NULL };
char *srcpadname, *destpadname;
PyGObject *dest;
int ret;
PyObject *py_filtercaps;
GstCaps *filtercaps = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"sO!sO:GstElement.link_pads_filtered",
kwlist, &srcpadname, &PyGstElement_Type,
&dest, &destpadname, &py_filtercaps))
return NULL;
if (pyg_boxed_check(py_filtercaps, GST_TYPE_CAPS))
filtercaps = pyg_boxed_get(py_filtercaps, GstCaps);
else {
PyErr_SetString(PyExc_TypeError, "filtercaps should be a GstCaps");
return NULL;
}
ret = gst_element_link_pads_filtered(GST_ELEMENT(self->obj), srcpadname,
GST_ELEMENT(dest->obj), destpadname,
filtercaps);
if (!ret) {
PyErr_SetString(PyGstExc_LinkError, "link failed");
return NULL;
}
return PyBool_FromLong(ret);
}
%%
override gst_element_unlink_many args
static PyObject *
@ -371,8 +492,61 @@ _wrap_gst_element_unlink_many(PyObject *self, PyObject *args)
Py_INCREF(Py_None);
return Py_None;
}
%%
override GstPad.get_negotiated_caps
override gst_pad_link kwargs
static PyObject *
_wrap_gst_pad_link(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "sinkpad", NULL };
PyGObject *sinkpad;
int ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!:GstPad.link", kwlist,
&PyGstPad_Type, &sinkpad))
return NULL;
ret = gst_pad_link(GST_PAD(self->obj), GST_PAD(sinkpad->obj));
if (!ret) {
PyErr_SetString(PyGstExc_LinkError, "link failed");
return NULL;
}
return PyBool_FromLong(ret);
}
%%
override gst_pad_link_filtered kwargs
static PyObject *
_wrap_gst_pad_link_filtered(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "sinkpad", "filtercaps", NULL };
PyGObject *sinkpad;
PyObject *py_filtercaps;
int ret;
GstCaps *filtercaps = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O:GstPad.link_filtered",
kwlist, &PyGstPad_Type, &sinkpad,
&py_filtercaps))
return NULL;
if (pyg_boxed_check(py_filtercaps, GST_TYPE_CAPS))
filtercaps = pyg_boxed_get(py_filtercaps, GstCaps);
else {
PyErr_SetString(PyExc_TypeError, "filtercaps should be a GstCaps");
return NULL;
}
ret = gst_pad_link_filtered(GST_PAD(self->obj),
GST_PAD(sinkpad->obj),
filtercaps);
if (!ret) {
PyErr_SetString(PyGstExc_LinkError, "link failed");
return NULL;
}
return PyBool_FromLong(ret);
}
%%
override gst_pad_get_negotiated_caps
static PyObject *
_wrap_gst_pad_get_negotiated_caps(PyGObject *self)
{

7
gst/gstmodule.c
View file

@ -37,6 +37,7 @@ void pygst_add_constants(PyObject *module, const gchar *strip_prefix);
extern PyMethodDef pygst_functions[];
extern GSList *mainloops;
extern void _pygst_main_quit(void);
extern PyObject *PyGstExc_LinkError;
/* This is a timeout that gets added to the mainloop to handle SIGINT (Ctrl-C)
@ -134,6 +135,12 @@ init_gst (void)
PyModule_AddIntConstant(m, "MSECOND", GST_MSECOND);
PyModule_AddIntConstant(m, "NSECOND", GST_NSECOND);
/* LinkError exception */
PyGstExc_LinkError = PyErr_NewException("gst.LinkError",
PyExc_RuntimeError,
NULL);
PyDict_SetItemString(d, "LinkError", PyGstExc_LinkError);
pygst_register_classes (d);
pygst_add_constants (m, "GST_");