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gstreamer/gst/gstpad.override
Edward Hervey 75bd1f6f6d gst/gstpad.override: Fix memory leak for functions that return a newly created buffer as a function argument. 
Original commit message from CVS:
* gst/gstpad.override:
Fix memory leak for functions that return a newly created buffer as
a function argument.
Fixes #554545
2008-12-06 15:52:31 +00:00

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/* -*- Mode: C; c-basic-offset: 4 -*- */
* vi:si:et:sw=4:sts=4:ts=4
*
* 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
*/
%%
headers
/* we need to do this until PyClosures get exception handlers */
#ifndef pyg_closure_set_exception_handler
# define pyg_closure_set_exception_handler(ig, nore)
# define EXCEPTION_HANDLER G_GNUC_UNUSED
#else
# define EXCEPTION_HANDLER
#endif
#define SET_PAD_CLOSURE(self, args, kwargs, name) \
static char *kwlist[] = { G_STRINGIFY (name), NULL }; \
PyObject *function; \
GstPad *pad; \
GClosure *closure; \
PyGstPadPrivate *priv; \
\
if (!PyArg_ParseTupleAndKeywords(args, kwargs, \
"O:GstPad.set_" G_STRINGIFY (name), \
kwlist, \
&function)) { \
return NULL; \
} \
\
if (!PyCallable_Check(function)) { \
PyErr_SetString(PyExc_TypeError, G_STRINGIFY (name) " not callable"); \
return NULL; \
} \
\
closure = pyg_closure_new (function, NULL, NULL); \
pyg_closure_set_exception_handler (closure, handle_ ## name ## _exception); \
pygobject_watch_closure((PyObject *)self, closure); \
priv = py_pad_private(self);\
if (priv->name) { \
g_closure_invalidate (priv->name); \
g_closure_unref (priv->name); \
} \
priv->name = closure; \
pad = (GstPad*)pygobject_get(self); \
gst_pad_set_ ## name (pad, call_ ## name); \
\
Py_INCREF(Py_None); \
return Py_None;
static void
free_pad_private (gpointer data)
{
PyGstPadPrivate *private = data;
#define INVALIDATE_CLOSURE(closure) \
if (closure) { \
g_closure_invalidate (closure); \
g_closure_unref (closure); \
closure = NULL; \
}
INVALIDATE_CLOSURE (private->link_function)
INVALIDATE_CLOSURE (private->event_function)
INVALIDATE_CLOSURE (private->chain_function)
INVALIDATE_CLOSURE (private->get_function)
INVALIDATE_CLOSURE (private->getcaps_function)
INVALIDATE_CLOSURE (private->setcaps_function)
INVALIDATE_CLOSURE (private->activate_function)
INVALIDATE_CLOSURE (private->activatepull_function)
INVALIDATE_CLOSURE (private->activatepush_function)
#undef INVALIDATE_CLOSURE
if (private->query_function) {
Py_DECREF (private->query_function);
private->query_function = NULL;
}
}
static PyGstPadPrivate*
pad_private(GstPad *pad)
{
PyGstPadPrivate *private;
static GQuark padprivate = 0;
if (!padprivate)
padprivate = g_quark_from_static_string ("PyGst::PadPrivate");
private = g_object_get_qdata (G_OBJECT (pad), padprivate);
if (private == NULL) {
private = g_new0(PyGstPadPrivate, 1);
private->pad = (PyGObject *) pygobject_new (G_OBJECT (pad));
Py_DECREF (private->pad);
g_object_set_qdata_full (G_OBJECT (pad), padprivate, private, free_pad_private);
}
return private;
}
static PyGstPadPrivate*
py_pad_private(PyGObject *pad)
{
return pad_private ((GstPad *)pygobject_get(pad));
}
%%
ignore
gst_pad_select
gst_pad_selectv
gst_pad_new_from_template
gst_pad_load_and_link
%%
override gst_pad_set_getcaps_function kwargs
static void EXCEPTION_HANDLER
handle_getcaps_function_exception (GValue *ret, guint n, const GValue *params)
{
g_value_set_boxed (ret, gst_pad_get_pad_template_caps (
GST_PAD (g_value_get_object (&params[0]))));
PyErr_Clear ();
}
static GstCaps *
call_getcaps_function (GstPad *pad)
{
GClosure *closure;
GValue ret = { 0, };
GValue args = { 0, };
GstCaps *caps;
g_value_init (&ret, GST_TYPE_CAPS);
g_value_init (&args, GST_TYPE_PAD);
g_value_set_object (&args, pad);
closure = pad_private(pad)->getcaps_function;
g_closure_invoke (closure, &ret, 1, &args, NULL);
caps = g_value_dup_boxed (&ret);
g_value_unset (&ret);
g_value_unset (&args);
return caps;
}
static PyObject*
_wrap_gst_pad_set_getcaps_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args, kwargs, getcaps_function)
}
%%
override gst_pad_set_link_function kwargs
static void EXCEPTION_HANDLER
handle_link_function_exception (GValue *ret, guint n, const GValue *params)
{
g_value_set_enum (ret, GST_PAD_LINK_REFUSED);
PyErr_Clear ();
}
static GstPadLinkReturn
call_link_function (GstPad *pad, GstPad *peer)
{
GClosure *closure;
GValue ret = { 0, };
GValue args[2] = { { 0, }, {0, } };
GstPadLinkReturn i;
g_value_init (&ret, GST_TYPE_PAD_LINK_RETURN);
g_value_init (&args[0], GST_TYPE_PAD);
g_value_init (&args[1], GST_TYPE_PAD);
g_value_set_object (&args[0], pad);
g_value_set_object (&args[1], peer);
closure = pad_private(pad)->link_function;
g_closure_invoke (closure, &ret, 2, args, NULL);
i = g_value_get_enum (&ret);
g_value_unset (&ret);
g_value_unset (&args[0]);
g_value_unset (&args[1]);
return i;
}
static PyObject*
_wrap_gst_pad_set_link_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args, kwargs, link_function)
}
%%
override gst_pad_set_chain_function kwargs
static void EXCEPTION_HANDLER
handle_chain_function_exception (GValue *ret, guint n, const GValue *params)
{
GstElement *element = GST_ELEMENT (gst_object_get_parent (g_value_get_object (&params[0])));
if (!_pygst_element_check_error (element)) {
g_assert_not_reached (); /* only returns FALSE when there's no error */
}
}
static GstFlowReturn
call_chain_function(GstPad *pad, GstBuffer *buffer)
{
GClosure *closure;
GValue ret = { 0, };
GValue args[2] = { { 0, }, { 0, } };
GstFlowReturn flow;
g_value_init (&ret, GST_TYPE_FLOW_RETURN);
g_value_set_enum (&ret, GST_FLOW_ERROR);
g_value_init (&args[0], GST_TYPE_PAD);
g_value_init (&args[1], GST_TYPE_BUFFER);
g_value_set_object (&args[0], pad);
gst_value_set_mini_object (&args[1], GST_MINI_OBJECT (buffer));
closure = pad_private(pad)->chain_function;
g_closure_invoke (closure, &ret, 2, args, NULL);
flow = g_value_get_enum (&ret);
g_value_unset (&ret);
g_value_unset (&args[0]);
g_value_unset (&args[1]);
/* a chain function takes over the ref of the buffer handed to it;
* so we should unref after calling the pythonic chain func */
gst_buffer_unref (buffer);
return flow;
}
static PyObject*
_wrap_gst_pad_set_chain_function(PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args, kwargs, chain_function)
}
%%
override gst_pad_set_event_function kwargs
static void EXCEPTION_HANDLER
handle_event_function_exception (GValue *ret, guint n, const GValue *params)
{
GstElement *element = GST_ELEMENT (gst_pad_get_parent (g_value_get_object (&params[0])));
if (!_pygst_element_check_error (element)) {
g_assert_not_reached (); /* only returns FALSE when there's no error */
}
}
static gboolean
call_event_function (GstPad *pad, GstEvent *event)
{
GClosure *closure;
GValue ret = { 0, };
GValue args[2] = { { 0, }, { 0, } };
gboolean bool;
g_value_init (&ret, G_TYPE_BOOLEAN);
g_value_set_boolean (&ret, FALSE);
g_value_init (&args[0], GST_TYPE_PAD);
g_value_init (&args[1], GST_TYPE_EVENT);
g_value_set_object (&args[0], pad);
gst_value_set_mini_object (&args[1], GST_MINI_OBJECT (event));
closure = pad_private(pad)->event_function;
g_closure_invoke (closure, &ret, 2, args, NULL);
bool = g_value_get_boolean (&ret);
g_value_unset (&ret);
g_value_unset (&args[0]);
g_value_unset (&args[1]);
return bool;
}
static PyObject*
_wrap_gst_pad_set_event_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args,
kwargs, event_function)
}
%%
override gst_pad_set_query_function kwargs
static gboolean
pypad_copy_struct_members (GQuark field_id, const GValue * value,
GstStructure* to_structure)
{
gst_structure_id_set_value (to_structure, field_id, value);
return TRUE;
}
static gboolean
call_query_function (GstPad *pad, GstQuery *query)
{
PyGILState_STATE __py_state;
PyGObject *py_pad;
PyGstPadPrivate *priv;
PyObject *py_ret;
PyObject *py_args;
gboolean ret = FALSE;
GstQuery *query_copy;
PyObject *py_query;
/* Push our GIL state */
__py_state = pyg_gil_state_ensure();
/* Get the python version of the pad */
py_pad = (PyGObject *) pygobject_new((GObject*) (pad));
if (!py_pad) {
if (PyErr_Occurred())
PyErr_Print();
goto beach;
}
/* Private data, where our callback should be stored */
priv = py_pad_private(py_pad);
if (priv->query_function == NULL) {
/* FIXME: Generate an error message somewhere? */
Py_DECREF(py_pad);
goto beach;
}
/* Create our arguments tuple and populate */
py_args = PyTuple_New(2);
/* We copy the query into a new one so that it can have a refcount
* of exactly 1 and be owned by python */
pyg_begin_allow_threads;
query_copy = gst_query_copy (query);
pyg_end_allow_threads;
py_query = pygstminiobject_new((GstMiniObject *)query_copy);
gst_query_unref (query_copy);
PyTuple_SetItem(py_args, 0, (PyObject *) (py_pad));
PyTuple_SetItem(py_args, 1, py_query);
/* Perform the callback into python, then parse the result */
py_ret = PyObject_CallObject(priv->query_function, py_args);
if (!py_ret) {
if (PyErr_Occurred())
PyErr_Print();
Py_DECREF(py_args);
goto beach;
}
ret = (py_ret == Py_True ? TRUE : FALSE);
/* If the query succeeded, copy the result back into the original query.
* We still have a refcount to it, because we didn't unref the py_query
* wrapper yet. */
if (ret) {
/* I feel ill violating the poor query like this, but it's the only
* way to transfer data from our copy back to the original query */
GstStructure *from, *to;
pyg_begin_allow_threads;
from = GST_QUERY (query_copy)->structure;
to = query->structure;
gst_structure_foreach (from,
(GstStructureForeachFunc) pypad_copy_struct_members, to);
pyg_end_allow_threads;
}
Py_DECREF(py_args);
Py_DECREF(py_ret);
beach:
pyg_gil_state_release(__py_state);
return ret;
}
static PyObject*
_wrap_gst_pad_set_query_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
static char *kwlist[] = { "query_function", NULL };
PyObject *function;
GstPad *pad;
PyGstPadPrivate *priv;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"O:GstPad.set_query_function",
kwlist,
&function)) {
return NULL;
}
pad = (GstPad*)pygobject_get(self);
priv = py_pad_private(self);
/* Allow setting query_function to None to clear it to NULL */
if (function == Py_None) {
if (priv->query_function) {
Py_DECREF (priv->query_function);
priv->query_function = NULL;
}
gst_pad_set_query_function (pad, NULL);
goto out;
}
if (!PyCallable_Check(function)) {
PyErr_SetString(PyExc_TypeError, "Passed query_function not callable");
return NULL;
}
if (priv->query_function) {
Py_DECREF (priv->query_function);
}
Py_INCREF(function);
priv->query_function = function;
gst_pad_set_query_function (pad, call_query_function);
out:
Py_INCREF(Py_None);
return Py_None;
}
%%
override gst_pad_set_setcaps_function kwargs
static void EXCEPTION_HANDLER
handle_setcaps_function_exception (GValue *ret, guint n, const GValue *params)
{
GstElement *element = GST_ELEMENT (gst_pad_get_parent (g_value_get_object (&params[0])));
if (!_pygst_element_check_error (element)) {
g_assert_not_reached (); /* only returns FALSE when there's no error */
}
}
static gboolean
call_setcaps_function (GstPad *pad, GstCaps *caps)
{
GClosure *closure;
GValue ret = { 0, };
GValue args[2] = { { 0, }, { 0, } };
gboolean bool;
g_value_init (&ret, G_TYPE_BOOLEAN);
g_value_set_boolean (&ret, FALSE);
g_value_init (&args[0], GST_TYPE_PAD);
g_value_init (&args[1], GST_TYPE_CAPS);
g_value_set_object (&args[0], pad);
gst_value_set_caps (&args[1], (const GstCaps*) caps);
closure = pad_private(pad)->setcaps_function;
g_closure_invoke (closure, &ret, 2, args, NULL);
bool = g_value_get_boolean (&ret);
g_value_unset (&ret);
g_value_unset (&args[0]);
g_value_unset (&args[1]);
return bool;
}
static PyObject*
_wrap_gst_pad_set_setcaps_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args,
kwargs, setcaps_function)
}
%%
override gst_pad_set_activate_function kwargs
static void EXCEPTION_HANDLER
handle_activate_function_exception (GValue * ret, guint n, const GValue * params)
{
GstElement *element = GST_ELEMENT (gst_pad_get_parent (g_value_get_object (&params[0])));
if (!_pygst_element_check_error (element)) {
g_assert_not_reached (); /* only returns FALSE when there's no error */
}
}
static gboolean
call_activate_function (GstPad * pad)
{
GClosure * closure;
GValue ret = { 0, };
GValue args[1] = { {0, }};
gboolean bool;
g_value_init (&ret, G_TYPE_BOOLEAN);
g_value_set_boolean (&ret, FALSE);
g_value_init(&args[0], GST_TYPE_PAD);
g_value_set_object (&args[0], pad);
closure = pad_private(pad)->activate_function;
g_closure_invoke (closure, &ret, 1, args, NULL);
bool = g_value_get_boolean (&ret);
g_value_unset (&ret);
g_value_unset (&args[0]);
return bool;
}
static PyObject *
_wrap_gst_pad_set_activate_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args, kwargs, activate_function)
}
%%
override gst_pad_set_activatepull_function kwargs
static void EXCEPTION_HANDLER
handle_activatepull_function_exception (GValue * ret, guint n, const GValue * params)
{
GstElement *element = GST_ELEMENT (gst_pad_get_parent (g_value_get_object (&params[0])));
if (!_pygst_element_check_error (element)) {
g_assert_not_reached (); /* only returns FALSE when there's no error */
}
}
static gboolean
call_activatepull_function (GstPad * pad, gboolean active)
{
GClosure * closure;
GValue ret = { 0, };
GValue args[2] = { {0, }, {0, } };
gboolean bool;
g_value_init (&ret, G_TYPE_BOOLEAN);
g_value_set_boolean (&ret, FALSE);
g_value_init (&args[0], GST_TYPE_PAD);
g_value_set_object (&args[0], pad);
g_value_init (&args[1], G_TYPE_BOOLEAN);
g_value_set_boolean (&args[1], active);
closure = pad_private(pad)->activatepull_function;
g_closure_invoke (closure, &ret, 2, args, NULL);
bool = g_value_get_boolean (&ret);
g_value_unset (&ret);
g_value_unset (&args[0]);
g_value_unset (&args[1]);
return bool;
}
static PyObject *
_wrap_gst_pad_set_activatepull_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args, kwargs, activatepull_function);
}
%%
override gst_pad_set_activatepush_function kwargs
static void EXCEPTION_HANDLER
handle_activatepush_function_exception (GValue * ret, guint n, const GValue * params)
{
GstElement *element = GST_ELEMENT (gst_pad_get_parent (g_value_get_object (&params[0])));
if (!_pygst_element_check_error (element)) {
g_assert_not_reached (); /* only returns FALSE when there's no error */
}
}
static gboolean
call_activatepush_function (GstPad * pad, gboolean active)
{
GClosure * closure;
GValue ret = { 0, };
GValue args[2] = { {0, }, {0, }};
gboolean bool;
g_value_init (&ret, G_TYPE_BOOLEAN);
g_value_set_boolean (&ret, FALSE);
g_value_init (&args[0], GST_TYPE_PAD);
g_value_set_object (&args[0], pad);
g_value_init (&args[1], G_TYPE_BOOLEAN);
g_value_set_boolean (&args[1], active);
closure = pad_private(pad)->activatepush_function;
g_closure_invoke (closure, &ret, 2, args, NULL);
bool = g_value_get_boolean (&ret);
g_value_unset (&ret);
g_value_unset (&args[0]);
g_value_unset (&args[1]);
return bool;
}
static PyObject *
_wrap_gst_pad_set_activatepush_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args, kwargs, activatepush_function);
}
%%
override-slot GstPad.tp_repr
static PyObject *
_wrap_gst_pad_tp_repr (PyGObject *self)
{
char *buf;
PyObject *retval;
GstPad *pad;
GstElement *parent;
gchar *padname = NULL;
gchar *elementname = NULL;
pad = GST_PAD(self->obj);
parent = GST_ELEMENT (gst_pad_get_parent (pad));
padname = gst_pad_get_name (pad);
if (parent)
elementname = gst_element_get_name (parent);
buf = g_strdup_printf ("<GstPad (%s:%s) at %lx>",
parent ? elementname : "---",
padname, (long) self->obj);
if (parent) {
gst_object_unref (parent);
g_free(elementname);
}
g_free(padname);
retval = PyString_FromString(buf);
g_free(buf);
return retval;
}
%%
override gst_pad_query kwargs
static PyObject *
_wrap_gst_pad_query(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "query", NULL };
int ret;
PyGstMiniObject *query;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!:GstPad.query", kwlist, &PyGstQuery_Type, &query))
return NULL;
pyg_begin_allow_threads;
ret = gst_pad_query(GST_PAD(self->obj), GST_QUERY (query->obj));
pyg_end_allow_threads;
return PyBool_FromLong(ret);
}
%%
override gst_pad_convert kwargs
static PyObject *
_wrap_gst_pad_convert(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "src_format", "src_value",
"dest_format", NULL };
GstFormat src_format, dest_format;
PyObject *src_value_obj;
gint64 src_value, dest_value = 0;
gboolean ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"iOi:GstPad.convert", kwlist,
&src_format, &src_value_obj,
&dest_format))
return NULL;
src_value = PyLong_AsLongLong(src_value_obj);
ret = gst_pad_convert(GST_PAD(self->obj), src_format, src_value,
&dest_format, &dest_value);
return PyLong_FromLongLong(dest_value);
}
%%
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) {
PyObject *exc_val = pyg_enum_from_gtype(GST_TYPE_PAD_LINK_RETURN, ret);
PyErr_SetObject(PyGstExc_LinkError, exc_val);
Py_DECREF(exc_val);
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) {
PyObject *exc_val = pyg_enum_from_gtype(GST_TYPE_PAD_LINK_RETURN, ret);
PyErr_SetObject(PyGstExc_LinkError, exc_val);
Py_DECREF(exc_val);
return NULL;
}
return PyBool_FromLong(ret);
}
%%
override gst_pad_get_pad_template_caps noargs
static PyObject *
_wrap_gst_pad_get_pad_template_caps(PyGObject *self)
{
GstCaps *ret = (GstCaps*)gst_pad_get_pad_template_caps(GST_PAD(self->obj));
return pyg_boxed_new(GST_TYPE_CAPS, ret, TRUE, TRUE);
}
%%
override gst_pad_template_get_caps noargs
static PyObject *
_wrap_gst_pad_template_get_caps(PyGObject *self)
{
GstCaps *ret = (GstCaps*)gst_pad_template_get_caps(GST_PAD_TEMPLATE(self->obj));
return pyg_boxed_new(GST_TYPE_CAPS, ret, TRUE, TRUE);
}
%%
override gst_pad_template_get_caps_by_name kwargs
static PyObject *
_wrap_gst_pad_template_get_caps_by_name(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "name", NULL };
char *name;
GstCaps *ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:GstPadTemplate.get_caps_by_name", kwlist, &name))
return NULL;
ret = (GstCaps*)gst_pad_template_get_caps_by_name(GST_PAD_TEMPLATE(self->obj), name);
/* pyg_boxed_new handles NULL checking */
return pyg_boxed_new(GST_TYPE_CAPS, ret, TRUE, TRUE);
}
%%
new-constructor GST_TYPE_PAD
%%
override gst_pad_new kwargs
static int
_wrap_gst_pad_new(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "name", "direction", NULL };
static char *kwlist2[] = { "template", "name", NULL };
PyGObject *templ;
char *name = NULL;
PyObject *py_direction = NULL;
GstPadDirection direction;
if (PyArg_ParseTupleAndKeywords (args, kwargs, "zO:GstPad.__init__",
kwlist, &name, &py_direction)) {
GST_LOG ("gst.Pad.__init__: using gst_pad_new");
if (pyg_enum_get_value (GST_TYPE_PAD_DIRECTION, py_direction,
(gint *) &direction)) {
GST_LOG ("gst.Pad.__init__: direction is not valid");
return -1;
}
self->obj = (GObject *) gst_pad_new (name, direction);
} else {
PyErr_Clear ();
GST_LOG ("gst.Pad.__init__: using gst_pad_new_from_template");
if (PyArg_ParseTupleAndKeywords (args, kwargs, "O!|s:GstPad.__init__",
kwlist2, &PyGstPadTemplate_Type,
&templ, &name)) {
if (name == NULL)
name = GST_PAD_TEMPLATE_NAME_TEMPLATE (GST_PAD_TEMPLATE (
templ->obj));
self->obj = (GObject *) gst_pad_new_from_template (
GST_PAD_TEMPLATE (templ->obj), name);
}
}
if (!self->obj) {
PyErr_SetString (PyExc_RuntimeError, "could not create GstPad object");
return -1;
}
pygobject_register_wrapper ((PyObject *)self);
return 0;
}
%%
override gst_pad_add_data_probe args
static PyObject *
_wrap_gst_pad_add_data_probe(PyGObject *self, PyObject *args)
{
GstPad *pad = GST_PAD(self->obj);
PyObject *method = NULL;
PyObject *rv = NULL;
PyObject *mylist = PyList_New(1);
PyObject *mynewlist = NULL;
PyObject *myargs = NULL;
PyObject *signalname = NULL;
signalname = PyString_FromString("have-data");
if (PyList_SetItem(mylist, 0, signalname)) {
Py_DECREF(mylist);
return NULL;
}
mynewlist = PySequence_InPlaceConcat(mylist, args);
Py_DECREF(mylist);
if (!mynewlist)
return NULL;
myargs = PyList_AsTuple(mynewlist);
Py_DECREF(mynewlist);
if (!myargs)
return NULL;
method = PyObject_GetAttrString((PyObject*)self, "connect");
if (!method) {
Py_DECREF(mylist);
return NULL;
}
GST_OBJECT_LOCK (pad);
rv = PyObject_CallObject(method, myargs);
if (rv) {
GST_PAD_DO_BUFFER_SIGNALS (pad)++;
GST_PAD_DO_EVENT_SIGNALS (pad)++;
}
GST_OBJECT_UNLOCK (pad);
Py_DECREF(myargs);
Py_DECREF(method);
return rv;
}
%%
override gst_pad_add_event_probe args
static PyObject *
_wrap_gst_pad_add_event_probe(PyGObject *self, PyObject *args)
{
GstPad *pad = GST_PAD(self->obj);
PyObject *method = NULL;
PyObject *rv = NULL;
PyObject *mylist = PyList_New(1);
PyObject *mynewlist = NULL;
PyObject *myargs = NULL;
PyObject *signalname = NULL;
signalname = PyString_FromString("have-data::event");
if (PyList_SetItem(mylist, 0, signalname)) {
Py_DECREF(mylist);
return NULL;
}
mynewlist = PySequence_InPlaceConcat(mylist, args);
Py_DECREF(mylist);
if (!mynewlist)
return NULL;
myargs = PyList_AsTuple(mynewlist);
Py_DECREF(mynewlist);
if (!myargs)
return NULL;
method = PyObject_GetAttrString((PyObject*)self, "connect");
if (!method) {
Py_DECREF(mylist);
return NULL;
}
GST_OBJECT_LOCK (pad);
rv = PyObject_CallObject(method, myargs);
if (rv)
GST_PAD_DO_EVENT_SIGNALS (pad)++;
GST_PAD_DO_BUFFER_SIGNALS (pad)++;
GST_DEBUG ("adding event probe to pad %s:%s, now %d probes",
GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_BUFFER_SIGNALS (pad));
GST_OBJECT_UNLOCK (pad);
Py_DECREF(myargs);
Py_DECREF(method);
return rv;
}
%%
override gst_pad_add_buffer_probe args
static PyObject *
_wrap_gst_pad_add_buffer_probe(PyGObject *self, PyObject *args)
{
GstPad *pad = GST_PAD(self->obj);
PyObject *method = NULL;
PyObject *rv = NULL;
PyObject *mylist = PyList_New(1);
PyObject *mynewlist = NULL;
PyObject *myargs = NULL;
PyObject *signalname = NULL;
signalname = PyString_FromString("have-data::buffer");
if (PyList_SetItem(mylist, 0, signalname)) {
Py_DECREF(mylist);
return NULL;
}
mynewlist = PySequence_InPlaceConcat(mylist, args);
Py_DECREF(mylist);
if (!mynewlist)
return NULL;
myargs = PyList_AsTuple(mynewlist);
Py_DECREF(mynewlist);
if (!myargs)
return NULL;
method = PyObject_GetAttrString((PyObject*)self, "connect");
if (!method) {
Py_DECREF(mylist);
return NULL;
}
GST_OBJECT_LOCK (pad);
rv = PyObject_CallObject(method, myargs);
if (rv)
GST_PAD_DO_BUFFER_SIGNALS (pad)++;
GST_OBJECT_UNLOCK (pad);
Py_DECREF(myargs);
Py_DECREF(method);
return rv;
}
%%
override-slot GstPadTemplate.tp_getattr
#define IS_ATTR(name) (strcmp (name, attr) == 0)
static PyObject *
_wrap_gst_pad_template_tp_getattr(PyObject *self, char *attr)
{
GstPadTemplate *templ = GST_PAD_TEMPLATE (pygobject_get (self));
if (IS_ATTR ("__members__")) {
return Py_BuildValue("[ssss]", "name_template", "direction", "presence", "caps" );
} else if (IS_ATTR ("name_template")) {
return PyString_FromString (GST_PAD_TEMPLATE_NAME_TEMPLATE(templ));
} else if (IS_ATTR ("direction")) {
return pyg_enum_from_gtype(GST_TYPE_PAD_DIRECTION, GST_PAD_TEMPLATE_DIRECTION(templ));
} else if (IS_ATTR ("presence")) {
return pyg_enum_from_gtype(GST_TYPE_PAD_PRESENCE, GST_PAD_TEMPLATE_PRESENCE(templ));
} else if (IS_ATTR ("caps")) {
return pyg_boxed_new (GST_TYPE_CAPS, GST_PAD_TEMPLATE_CAPS(templ), TRUE, TRUE);
}
return Py_FindMethod((PyMethodDef*) _PyGstPadTemplate_methods, self, attr);
}
%%
override gst_pad_query_position args
static PyObject *
_wrap_gst_pad_query_position (PyGObject *self, PyObject *args)
{
gint64 cur;
gint format;
PyObject *pformat;
PyObject *ret;
pformat = (PyObject*)PyTuple_GetItem(args, 0);
if (pyg_enum_get_value (GST_TYPE_FORMAT, pformat, &format)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if ((gst_pad_query_position(GST_PAD (self->obj), (GstFormat*) &format, &cur))) {
ret = Py_BuildValue("(LO)", cur,
pyg_enum_from_gtype (GST_TYPE_FORMAT, format));
} else {
Py_INCREF(Py_None);
ret = Py_None;
}
return ret;
}
%%
override gst_pad_query_duration args
static PyObject *
_wrap_gst_pad_query_duration (PyGObject *self, PyObject *args)
{
gint64 cur;
gint format;
PyObject *pformat;
PyObject *ret;
pformat = (PyObject*)PyTuple_GetItem(args, 0);
if (pyg_enum_get_value (GST_TYPE_FORMAT, pformat, &format)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if ((gst_pad_query_duration(GST_PAD (self->obj), (GstFormat*) &format, &cur))) {
ret = Py_BuildValue("(LO)", cur,
pyg_enum_from_gtype (GST_TYPE_FORMAT, format));
} else {
Py_INCREF(Py_None);
ret = Py_None;
}
return ret;
}
%%
override gst_pad_query_convert kwargs
static PyObject *
_wrap_gst_pad_query_convert (PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "fromformat", "fromvalue", "destformat", NULL };
PyObject *pfromformat, *pdestformat;
GstFormat srcformat, destformat;
gint64 fromval, dstval;
/* Input : src_format, src_val, dst_format */
/* Returns : dst_format, dst_val OR None */
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"0L0:GstPad.query_convert",
kwlist, &pfromformat, &fromval, &pdestformat))
return NULL;
if (pyg_enum_get_value(GST_TYPE_FORMAT, pfromformat, (gint *) &srcformat)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if (pyg_enum_get_value(GST_TYPE_FORMAT, pdestformat, (gint *) &destformat)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if (!(gst_pad_query_convert (GST_PAD(self->obj),
srcformat, fromval,
&destformat, &dstval))) {
Py_INCREF(Py_None);
return Py_None;
}
return Py_BuildValue("(OL)",
pyg_enum_from_gtype (GST_TYPE_FORMAT, destformat),
dstval);
}
%%
override gst_pad_alloc_buffer kwargs
static PyObject *
_wrap_gst_pad_alloc_buffer (PyGObject *self, PyObject * args, PyObject *kwargs)
{
static char *kwlist[] = {"offset", "size", "caps", NULL};
guint64 offset;
gint size;
PyObject *pcaps;
GstCaps *caps;
PyObject *ret;
GstBuffer *buf;
GstFlowReturn res;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"KiO:GstPad.alloc_buffer",
kwlist, &offset, &size, &pcaps))
return NULL;
caps = pyg_boxed_get(pcaps, GstCaps);
res = gst_pad_alloc_buffer (GST_PAD(pygobject_get(self)),
offset, size, caps, &buf);
ret = PyList_New(2);
PyList_SetItem(ret, 0, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, res));
if (res != GST_FLOW_OK) {
PyList_SetItem(ret, 1, Py_None);
} else {
PyList_SetItem(ret, 1, pygstminiobject_new(GST_MINI_OBJECT(buf)));
/* Bring down the reference count, since we are meant to be the only
* one holding a reference to the newly created buffer. */
gst_buffer_unref (buf);
}
return ret;
}
%%
override gst_pad_alloc_buffer_and_set_caps kwargs
static PyObject *
_wrap_gst_pad_alloc_buffer_and_set_caps (PyGObject *self, PyObject * args, PyObject *kwargs)
{
static char *kwlist[] = {"offset", "size", "caps", NULL};
guint64 offset;
gint size;
PyObject *pcaps;
GstCaps *caps;
PyObject *ret;
GstBuffer *buf;
GstFlowReturn res;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"KiO:GstPad.alloc_buffer_and_set_caps",
kwlist, &offset, &size, &pcaps))
return NULL;
caps = pyg_boxed_get(pcaps, GstCaps);
res = gst_pad_alloc_buffer_and_set_caps (GST_PAD(pygobject_get(self)),
offset, size, caps, &buf);
ret = PyList_New(2);
PyList_SetItem(ret, 0, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, res));
if (res != GST_FLOW_OK) {
PyList_SetItem(ret, 1, Py_None);
} else {
PyList_SetItem(ret, 1, pygstminiobject_new(GST_MINI_OBJECT(buf)));
/* Bring down the reference count, since we are meant to be the only
* one holding a reference to the newly created buffer. */
gst_buffer_unref (buf);
}
return ret;
}
%%
override gst_pad_pull_range kwargs
static PyObject *
_wrap_gst_pad_pull_range (PyGObject *self, PyObject * args, PyObject *kwargs)
{
static char *kwlist[] = {"offset", "size", NULL};
guint64 offset;
gint size;
PyObject *ret;
GstBuffer *buf;
GstFlowReturn res;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"Ki:GstPad.pull_range",
kwlist, &offset, &size))
return NULL;
res = gst_pad_pull_range (GST_PAD(pygobject_get(self)),
offset, size, &buf);
ret = PyList_New(2);
PyList_SetItem(ret, 0, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, res));
if (res != GST_FLOW_OK) {
PyList_SetItem(ret, 1, Py_None);
} else {
PyList_SetItem(ret, 1, pygstminiobject_new(GST_MINI_OBJECT(buf)));
/* Bring down the reference count, since we are meant to be the only
* one holding a reference to the newly created buffer. */
gst_buffer_unref (buf);
}
return ret;
}
%%
override gst_pad_get_range kwargs
static PyObject *
_wrap_gst_pad_get_range (PyGObject *self, PyObject * args, PyObject *kwargs)
{
static char *kwlist[] = {"offset", "size", NULL};
guint64 offset;
gint size;
PyObject *ret;
GstBuffer *buf;
GstFlowReturn res;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"Ki:GstPad.get_range",
kwlist, &offset, &size))
return NULL;
res = gst_pad_get_range (GST_PAD(pygobject_get(self)),
offset, size, &buf);
ret = PyList_New(2);
PyList_SetItem(ret, 0, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, res));
if (res != GST_FLOW_OK) {
PyList_SetItem(ret, 1, Py_None);
} else {
PyList_SetItem(ret, 1, pygstminiobject_new(GST_MINI_OBJECT(buf)));
/* Bring down the reference count, since we are meant to be the only
* one holding a reference to the newly created buffer. */
gst_buffer_unref (buf);
}
return ret;
}
%%
override gst_pad_get_internal_links noargs
static PyObject *
_wrap_gst_pad_get_internal_links (PyGObject * self)
{
PyObject *ret;
GList *lst, *tmp;
gint i;
lst = gst_pad_get_internal_links (GST_PAD (pygobject_get(self)));
ret = PyList_New(g_list_length(lst));
for (tmp = lst, i = 0 ; tmp; tmp = g_list_next(tmp), ++i) {
PyList_SetItem(ret, i, pygobject_new(G_OBJECT(tmp->data)));
}
g_list_free(lst);
return ret;
}
%%
override gst_pad_get_internal_links_default noargs
static PyObject *
_wrap_gst_pad_get_internal_links_default (PyGObject * self)
{
PyObject *ret;
GList *lst, *tmp;
gint i;
lst = gst_pad_get_internal_links_default (GST_PAD (pygobject_get(self)));
ret = PyList_New(g_list_length(lst));
for (tmp = lst, i = 0 ; tmp; tmp = g_list_next(tmp), ++i) {
PyList_SetItem(ret, i, pygobject_new(G_OBJECT(tmp->data)));
}
g_list_free(lst);
return ret;
}
%%
override gst_pad_get_query_types noargs
static PyObject *
_wrap_gst_pad_get_query_types (PyGObject *self)
{
PyObject *ret;
PyObject *item;
int i;
GstQueryType *tab;
tab = (GstQueryType*) gst_pad_get_query_types(GST_PAD(self->obj));
if (tab == NULL) {
Py_INCREF(Py_None);
return Py_None;
}
ret = PyList_New(0);
for (i = 0; tab[i] != 0; i++) {
item = pyg_enum_from_gtype (GST_TYPE_QUERY_TYPE, tab[i]);
PyList_Append(ret, item);
Py_XDECREF(item);
}
return ret;
}
%%
override gst_pad_get_query_types_default noargs
static PyObject *
_wrap_gst_pad_get_query_types_default (PyGObject *self)
{
PyObject *ret;
PyObject *item;
int i;
GstQueryType *tab;
tab = (GstQueryType*) gst_pad_get_query_types_default(GST_PAD(self->obj));
if (tab == NULL) {
Py_INCREF(Py_None);
return Py_None;
}
ret = PyList_New(0);
for (i = 0; tab[i] != 0; i++) {
item = pyg_enum_from_gtype (GST_TYPE_QUERY_TYPE, tab[i]);
PyList_Append(ret, item);
Py_XDECREF(item);
}
return ret;
}
%%
override gst_pad_set_blocked_async args
static void
pad_block_callback_marshal(GstPad *pad, gboolean blocked, gpointer user_data)
{
PyGILState_STATE state;
PyObject *callback, *args;
PyObject *ret;
PyObject *py_user_data;
g_return_if_fail(user_data != NULL);
state = pyg_gil_state_ensure();
py_user_data = (PyObject *) user_data;
callback = PyTuple_GetItem(py_user_data, 0);
args = Py_BuildValue("(NO)",
pygobject_new(G_OBJECT(pad)),
blocked ? Py_True : Py_False);
{
PyObject *tmp = args;
args = PySequence_Concat(tmp, PyTuple_GetItem(py_user_data, 1));
Py_DECREF (tmp);
}
ret = PyObject_CallObject(callback, args);
Py_DECREF(args);
if (!ret)
PyErr_Print();
else
Py_DECREF(ret);
pyg_gil_state_release(state);
}
static PyObject *
_wrap_gst_pad_set_blocked_async (PyGObject *self, PyObject *args)
{
PyObject *callback, *cbargs = NULL, *data;
PyObject *pblocked, *pret;
gboolean blocked;
gboolean ret;
gint len;
len = PyTuple_Size(args);
if (len < 2) {
PyErr_SetString(PyExc_TypeError, "Requires at least 2 arg");
return NULL;
}
pblocked = PyTuple_GetItem(args, 0);
blocked = PyObject_IsTrue(pblocked);
callback = PyTuple_GetItem(args, 1);
if (!PyCallable_Check(callback)) {
PyErr_SetString(PyExc_TypeError, "callback is not callable");
return NULL;
}
cbargs = PySequence_GetSlice(args, 2, len);
if (cbargs == NULL)
return NULL;
data = Py_BuildValue("(ON)", callback, cbargs);
if (data == NULL)
return NULL;
pyg_begin_allow_threads;
ret = gst_pad_set_blocked_async (GST_PAD (self->obj), blocked,
(GstPadBlockCallback) pad_block_callback_marshal, data);
pyg_end_allow_threads;
if (ret)
pret = Py_True;
else
pret = Py_False;
Py_INCREF(pret);
return pret;
}
%%
override gst_pad_set_caps kwargs
static PyObject *
_wrap_gst_pad_set_caps(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "caps", NULL };
PyObject *py_caps;
int ret;
GstCaps *caps;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O:GstPad.set_caps", kwlist, &py_caps))
return NULL;
if (py_caps == Py_None) {
caps = NULL;
} else {
caps = pygst_caps_from_pyobject (py_caps, NULL);
if (PyErr_Occurred())
return NULL;
}
pyg_begin_allow_threads;
ret = gst_pad_set_caps(GST_PAD(self->obj), caps);
if (ret && caps)
gst_caps_unref (caps);
pyg_end_allow_threads;
return PyBool_FromLong(ret);
}
%%
override gst_pad_query_peer_position args
static PyObject *
_wrap_gst_pad_query_peer_position (PyGObject *self, PyObject *args)
{
gint64 cur;
gint format;
PyObject *pformat;
PyObject *ret;
pformat = (PyObject*)PyTuple_GetItem(args, 0);
if (pyg_enum_get_value (GST_TYPE_FORMAT, pformat, &format)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if ((gst_pad_query_peer_position(GST_PAD (self->obj), (GstFormat*) &format, &cur))) {
ret = PyList_New(2);
PyList_SetItem(ret, 0, PyLong_FromLongLong(cur));
PyList_SetItem(ret, 1, pyg_enum_from_gtype (GST_TYPE_FORMAT, format ));
} else {
Py_INCREF(Py_None);
ret = Py_None;
}
return ret;
}
%%
override gst_pad_query_peer_duration args
static PyObject *
_wrap_gst_pad_query_peer_duration (PyGObject *self, PyObject *args)
{
gint64 cur;
gint format;
PyObject *pformat;
PyObject *ret;
pformat = (PyObject*)PyTuple_GetItem(args, 0);
if (pyg_enum_get_value (GST_TYPE_FORMAT, pformat, &format)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if ((gst_pad_query_peer_duration(GST_PAD (self->obj), (GstFormat*) &format, &cur))) {
ret = PyList_New(2);
PyList_SetItem(ret, 0, PyLong_FromLongLong(cur));
PyList_SetItem(ret, 1, pyg_enum_from_gtype (GST_TYPE_FORMAT, format ));
} else {
Py_INCREF(Py_None);
ret = Py_None;
}
return ret;
}
%%
override gst_pad_query_peer_convert kwargs
static PyObject *
_wrap_gst_pad_query_peer_convert (PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "fromformat", "fromvalue", "destformat", NULL };
PyObject *pfromformat, *pdestformat;
GstFormat srcformat, destformat;
gint64 fromval, dstval;
PyObject *ret;
/* Input : src_format, src_val, dst_format */
/* Returns : dst_format, dst_val OR None */
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"0L0:GstPad.query_peer_convert",
kwlist, &pfromformat, &fromval, &pdestformat))
return NULL;
if (pyg_enum_get_value(GST_TYPE_FORMAT, pfromformat, (gint *) &srcformat)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if (pyg_enum_get_value(GST_TYPE_FORMAT, pdestformat, (gint *) &destformat)) {
PyErr_SetString(PyExc_TypeError, "argument should be a GstFormat");
return NULL;
}
if (!(gst_pad_query_peer_convert (GST_PAD(self->obj),
srcformat, fromval,
&destformat, &dstval))) {
Py_INCREF(Py_None);
return Py_None;
}
ret = PyList_New(2);
PyList_SetItem(ret, 0, pyg_enum_from_gtype (GST_TYPE_FORMAT, destformat));
PyList_SetItem(ret, 1, PyLong_FromLongLong(dstval));
return ret;
}
%%
override-attr GstStaticPadTemplate.static_caps
static PyObject *
_wrap_gst_static_pad_template__get_static_caps(PyObject *self, void *closure)
{
GstStaticPadTemplate *templ;
templ = pyg_pointer_get(self, GstStaticPadTemplate);
return pyg_pointer_new(GST_TYPE_STATIC_CAPS, &(templ->static_caps));
}
%%
override gst_pad_start_task args
static void
pad_task_handler(void *data) {
PyGILState_STATE state;
PyObject *callback, *args = NULL;
PyObject *py_user_data;
if (data == NULL)
return;
state = pyg_gil_state_ensure();
py_user_data = (PyObject*) data;
callback = PyTuple_GetItem(py_user_data, 0);
if (!(PyCallable_Check(callback))) {
PyErr_Print();
goto beach;
}
if (!(args = PyTuple_GetSlice(py_user_data, 1, PyTuple_Size(py_user_data)))) {
PyErr_Print();
goto beach;
}
if (!(PyTuple_Check(args))) {
PyErr_Print();
goto beach;
}
PyObject_CallObject(callback, args);
if(PyErr_Occurred())
PyErr_Print();
Py_DECREF(args);
beach:
pyg_gil_state_release(state);
}
static PyObject *
_wrap_gst_pad_start_task(PyGObject *self, PyObject *args)
{
PyObject *callback, *data, *cbargs, *py_ret;
gboolean ret;
/* 1st argument must be a callable */
if (PyTuple_Size(args) < 1) {
PyErr_SetString(PyExc_TypeError, "gst.Pad.start_task() requires at least 1 argument");
return NULL;
}
callback = PySequence_GetItem(args, 0);
if (!PyCallable_Check(callback)) {
PyErr_SetString(PyExc_TypeError, "callback must be a function or method");
Py_DECREF(callback);
return NULL;
}
if (!(cbargs = PySequence_GetSlice(args, 1, PyTuple_Size(args)))) {
Py_DECREF(callback);
return NULL;
}
if (!(data = Py_BuildValue("(ON)", callback, cbargs))) {
Py_DECREF(callback);
Py_DECREF(cbargs);
return NULL;
}
pyg_begin_allow_threads;
ret = gst_pad_start_task(GST_PAD(self->obj), (GstTaskFunction) pad_task_handler, data);
pyg_end_allow_threads;
if (ret == TRUE)
py_ret = Py_True;
else
py_ret = Py_False;
Py_INCREF(py_ret);
return py_ret;
}
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