gstreamer/gst/gstpad.override
Thomas Vander Stichele deb316e3fd gst/gstobject.override: don't try and unref objects that are already finalizing
Original commit message from CVS:

* gst/gstobject.override:
don't try and unref objects that are already finalizing
* gst/gstpad.override:
fix up the set_chainfunc method
* testsuite/common.py:
* testsuite/test_pad.py:
add linked/unlinked tests with no/true/false bufferprobes
2005-10-05 16:19:13 +00:00

1017 lines
29 KiB
C

/* -*- 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)
#undef INVALIDATE_CLOSURE
}
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 *) pygstobject_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));
}
static gboolean
probe_handler_marshal(GstPad *pad, GstMiniObject *data, gpointer user_data)
{
PyGILState_STATE state;
PyObject *callback, *args;
PyObject *ret;
PyObject *py_data;
PyObject *py_user_data;
gboolean res;
gint len, i;
g_return_val_if_fail(user_data != NULL, FALSE);
state = pyg_gil_state_ensure();
py_user_data = (PyObject *) user_data;
py_data = pygstminiobject_new(data);
callback = PyTuple_GetItem(py_user_data, 0);
args = Py_BuildValue("(NN)",
pygstobject_new(G_OBJECT(pad)),
py_data);
len = PyTuple_Size(py_user_data);
for (i = 1; i < len; ++i) {
PyObject *tuple = args;
args = PySequence_Concat(tuple, PyTuple_GetItem(py_user_data, i));
Py_DECREF(tuple);
}
ret = PyObject_CallObject(callback, args);
if (!ret) {
PyErr_Print();
res = FALSE;
} else {
res = PyObject_IsTrue(ret);
Py_DECREF(ret);
}
Py_DECREF(args);
pyg_gil_state_release(state);
return res;
}
%%
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_boxed (&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);
g_value_set_boxed (&args[1], 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_get_function kwargs
static void EXCEPTION_HANDLER
handle_get_function_exception (GValue *ret, guint n, const GValue *params)
{
GstElement *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 GstData*
call_get_function (GstPad *pad)
{
GClosure *closure;
GValue ret = { 0, };
GValue args = { 0, };
GstData *data = NULL;
g_value_init (&ret, GST_TYPE_DATA);
g_value_init (&args, GST_TYPE_REAL_PAD);
g_value_set_object (&args, pad);
closure = pad_private(pad)->get_function;
g_closure_invoke (closure, &ret, 1, &args, NULL);
data = g_value_get_boxed (&ret);
gst_data_ref (data);
g_value_unset (&ret);
g_value_unset (&args);
return data;
}
static PyObject*
_wrap_gst_pad_set_get_function (PyGObject *self,
PyObject *args,
PyObject *kwargs)
{
SET_PAD_CLOSURE (self, args, kwargs, get_function)
}
%%
override-slot GstPad.tp_repr
static PyObject *
_wrap_gst_pad_tp_repr (PyGObject *self)
{
char *buf;
PyObject *retval;
GstPad *pad;
GstElement *parent;
pad = GST_PAD(self->obj);
parent = GST_ELEMENT (gst_pad_get_parent (pad));
buf = g_strdup_printf ("<GstPad (%s:%s) at %lx>",
parent ? gst_element_get_name (parent) : "---",
gst_pad_get_name (pad), (long) self->obj);
if (parent)
gst_object_unref (parent);
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;
ret = gst_pad_query(GST_PAD(self->obj), GST_QUERY (query->obj));
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) {
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_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);
}
%%
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)
{
PyObject *callback, *cbargs = NULL, *data;
gulong sigid;
gint len;
len = PyTuple_Size(args);
if (len < 1) {
PyErr_SetString(PyExc_TypeError, "Probe requires at least 1 arg");
return NULL;
}
callback = PySequence_GetItem(args, 0);
if (!PyCallable_Check(callback)) {
PyErr_SetString(PyExc_TypeError, "callback is not callable");
return NULL;
}
cbargs = PySequence_GetSlice(args, 1, len);
if (cbargs == NULL)
return NULL;
data = Py_BuildValue("(ON)", callback, cbargs);
if (data == NULL)
return NULL;
sigid = gst_pad_add_data_probe (GST_PAD (self->obj), (GCallback) probe_handler_marshal, data);
return PyLong_FromUnsignedLong(sigid);
}
%%
override gst_pad_add_event_probe args
static PyObject *
_wrap_gst_pad_add_event_probe(PyGObject *self, PyObject *args)
{
PyObject *callback, *cbargs = NULL, *data;
gulong sigid;
gint len;
len = PyTuple_Size(args);
if (len < 1) {
PyErr_SetString(PyExc_TypeError, "Probe requires at least 1 arg");
return NULL;
}
callback = PySequence_GetItem(args, 0);
if (!PyCallable_Check(callback)) {
PyErr_SetString(PyExc_TypeError, "callback is not callable");
return NULL;
}
cbargs = PySequence_GetSlice(args, 1, len);
if (cbargs == NULL)
return NULL;
data = Py_BuildValue("(ON)", callback, cbargs);
if (data == NULL)
return NULL;
sigid = gst_pad_add_event_probe (GST_PAD (self->obj), (GCallback) probe_handler_marshal, data);
return PyLong_FromUnsignedLong(sigid);
}
%%
override gst_pad_add_buffer_probe args
static PyObject *
_wrap_gst_pad_add_buffer_probe(PyGObject *self, PyObject *args)
{
PyObject *callback, *cbargs = NULL, *data;
gulong sigid;
gint len;
len = PyTuple_Size(args);
if (len < 1) {
PyErr_SetString(PyExc_TypeError, "Probe requires at least 1 arg");
return NULL;
}
callback = PySequence_GetItem(args, 0);
if (!PyCallable_Check(callback)) {
PyErr_SetString(PyExc_TypeError, "callback is not callable");
return NULL;
}
cbargs = PySequence_GetSlice(args, 1, len);
if (cbargs == NULL)
return NULL;
data = Py_BuildValue("(ON)", callback, cbargs);
if (data == NULL)
return NULL;
sigid = gst_pad_add_buffer_probe (GST_PAD (self->obj), (GCallback) probe_handler_marshal, data);
return PyLong_FromUnsignedLong(sigid);
}
%%
override-slot GstPadTemplate.tp_getattr
#define IS_ATTR(name) (strcmp (name, attr) == 0)
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(_PyGstPadTemplate_methods, self, attr);
}
%%
override gst_pad_query_position args
static PyObject *
_wrap_gst_pad_query_position (PyGObject *self, PyObject *args)
{
gint64 cur, end;
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;
}
ret = PyList_New(0);
if ((gst_pad_query_position(GST_PAD (self->obj), (GstFormat*) &format, &cur, &end))) {
PyList_Append(ret, PyLong_FromLongLong(cur));
PyList_Append(ret, PyLong_FromLongLong(end));
PyList_Append(ret, 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;
PyObject *ret;
/* 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;
}
ret = PyList_New(0);
PyList_Append(ret, pyg_enum_from_gtype (GST_TYPE_FORMAT, destformat));
PyList_Append(ret, PyLong_FromLongLong(dstval));
return ret;
}
%%
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(0);
PyList_Append(ret, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, res));
if (res != GST_FLOW_OK) {
Py_INCREF(Py_None);
PyList_Append(ret, Py_None);
} else {
PyList_Append(ret, pygstminiobject_new(GST_MINI_OBJECT(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(0);
PyList_Append(ret, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, res));
if (res != GST_FLOW_OK) {
Py_INCREF(Py_None);
PyList_Append(ret, Py_None);
} else {
PyList_Append(ret, pygstminiobject_new(GST_MINI_OBJECT(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(0);
PyList_Append(ret, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, res));
if (res != GST_FLOW_OK) {
Py_INCREF(Py_None);
PyList_Append(ret, Py_None);
} else {
PyList_Append(ret, pygstminiobject_new(GST_MINI_OBJECT(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;
lst = gst_pad_get_internal_links (GST_PAD (pygobject_get(self)));
ret = PyList_New(0);
for (tmp = lst ; tmp; tmp = g_list_next(tmp)) {
PyList_Append(ret, pygstobject_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;
lst = gst_pad_get_internal_links_default (GST_PAD (pygobject_get(self)));
ret = PyList_New(0);
for (tmp = lst ; tmp; tmp = g_list_next(tmp)) {
PyList_Append(ret, pygstobject_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);
}
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);
}
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_data;
PyObject *py_user_data;
gint len, i;
g_return_if_fail(user_data != NULL);
state = pyg_gil_state_ensure();
py_user_data = (PyObject *) user_data;
if (blocked)
py_data = Py_True;
else
py_data = Py_False;
Py_INCREF(py_data);
callback = PyTuple_GetItem(py_user_data, 0);
args = Py_BuildValue("(NN)",
pygstobject_new(G_OBJECT(pad)),
py_data);
len = PyTuple_Size(py_user_data);
for (i = 1; i < len; ++i) {
PyObject *tuple = args;
args = PySequence_Concat(tuple, PyTuple_GetItem(py_user_data, i));
Py_DECREF(tuple);
}
ret = PyObject_CallObject(callback, args);
if (!ret)
PyErr_Print();
Py_DECREF(py_data);
Py_DECREF(args);
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 = PySequence_GetItem(args, 0);
blocked = PyBool_Check(pblocked) ? TRUE : FALSE;
callback = PySequence_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;
ret = gst_pad_set_blocked_async (GST_PAD (self->obj), blocked,
(GstPadBlockCallback) pad_block_callback_marshal, data);
if (ret)
pret = Py_True;
else
pret = Py_False;
Py_INCREF(pret);
return pret;
}
/* %% */
/* override gst_pad_set_bufferalloc_function args */
/* static GstFlowReturn */
/* pad_set_bufferalloc_marshal (GstPad *pad, guint64 offset, guint size, */
/* GstCaps *caps, GstBuffer **buf) */
/* { */
/* } */
/* PyObject * */
/* _wrap_gst_pad_set_bufferalloc_function (PyGObject *self, PyObject *args) */
/* { */
/* } */