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/* gst-python
* Copyright (C) 2024 Collabora Ltd
* Author: Daniel Morin <daniel.morin@dmohub.org>
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* include this first, before NO_IMPORT_PYGOBJECT is defined */
#include <Python.h>
#include <pygobject.h>
#include <gst/gst.h>
#include <gst/analytics/analytics.h>
#include <locale.h>
#define PYGLIB_MODULE_START(symbol, modname) \
static struct PyModuleDef _##symbol##module = { \
PyModuleDef_HEAD_INIT, \
modname, \
NULL, \
-1, \
symbol##_functions, \
NULL, \
NULL, \
NULL, \
NULL \
}; \
PyMODINIT_FUNC PyInit_##symbol(void); \
PyMODINIT_FUNC PyInit_##symbol(void) \
{ \
PyObject *module; \
module = PyModule_Create(&_##symbol##module);
#define PYGLIB_MODULE_END return module; }
typedef struct
{
PyObject_HEAD PyObject *py_module;
PyObject *py_rmeta;
GstAnalyticsRelationMeta *rmeta;
gpointer state;
gboolean ended;
} _GstAnalyticsRelationMetaIterator;
static PyObject *
_gst_analytics_relation_meta_iterator_new (PyTypeObject * type, PyObject * args,
PyObject * kwds)
{
PyObject *py_rmeta;
PyObject *py_module;
_GstAnalyticsRelationMetaIterator *self;
self = (_GstAnalyticsRelationMetaIterator *) type->tp_alloc (type, 0);
if (self != NULL) {
if (!PyArg_ParseTuple (args, "OO", &py_module, &py_rmeta)) {
Py_DECREF (self);
return NULL;
}
self->py_module = py_module;
self->py_rmeta = py_rmeta;
self->state = NULL;
Py_INCREF (py_module);
Py_INCREF (py_rmeta);
self->rmeta = (GstAnalyticsRelationMeta *) (pygobject_get (py_rmeta));
self->ended = FALSE;
}
return (PyObject *) self;
}
static void
_gst_analytics_relation_meta_iterator_dtor (_GstAnalyticsRelationMetaIterator *
self)
{
Py_DECREF (self->py_rmeta);
Py_DECREF (self->py_module);
Py_TYPE (self)->tp_free ((PyObject *) self);
}
static PyObject *
_gst_analytics_relation_meta_iterator_next (_GstAnalyticsRelationMetaIterator *
self)
{
GstAnalyticsMtd mtd;
PyObject *py_mtd_id;
PyObject *py_mtd_type;
PyObject *py_args;
PyObject *py_func;
PyObject *py_result = NULL;
if (self->ended || !gst_analytics_relation_meta_iterate (self->rmeta,
&self->state, GST_ANALYTICS_MTD_TYPE_ANY, &mtd)) {
self->ended = TRUE;
return NULL;
}
py_mtd_type = PyLong_FromUnsignedLong (gst_analytics_mtd_get_mtd_type (&mtd));
py_mtd_id = PyLong_FromUnsignedLong (mtd.id);
py_args = PyTuple_Pack (3, py_mtd_type, self->py_rmeta, py_mtd_id);
py_func = PyObject_GetAttrString (self->py_module, "_get_mtd");
if (py_func) {
py_result = PyObject_Call (py_func, py_args, NULL);
Py_DECREF (py_func);
}
Py_DECREF (py_args);
Py_DECREF (py_mtd_id);
Py_DECREF (py_mtd_type);
return py_result;
}
static PyMethodDef _gi_gst_analytics_functions[] = {
{NULL, NULL, 0, NULL}
};
static PyTypeObject GstAnalyticsRelationMetaIteratorType = {
PyVarObject_HEAD_INIT (NULL, 0)
.tp_name = "_gi_gst_analytics.AnalyticsRelationMetaIterator",
.tp_doc = "Iterator for Gst.AnalyticsRelationMeta",
.tp_basicsize = sizeof (_GstAnalyticsRelationMetaIterator),
.tp_itemsize = 0,
.tp_flags = Py_TPFLAGS_DEFAULT,
.tp_new = _gst_analytics_relation_meta_iterator_new,
.tp_iter = (getiterfunc) PyObject_SelfIter,
.tp_iternext = (iternextfunc) _gst_analytics_relation_meta_iterator_next,
.tp_dealloc = (destructor) _gst_analytics_relation_meta_iterator_dtor
};
PYGLIB_MODULE_START (_gi_gst_analytics, "_gi_gst_analytics")
{
pygobject_init (3, 0, 0);
if (PyType_Ready (&GstAnalyticsRelationMetaIteratorType) < 0)
return NULL;
Py_INCREF (&GstAnalyticsRelationMetaIteratorType);
if (PyModule_AddObject (module, "AnalyticsRelationMetaIterator", (PyObject *)
& GstAnalyticsRelationMetaIteratorType) < 0) {
Py_DECREF (&GstAnalyticsRelationMetaIteratorType);
Py_DECREF (module);
return NULL;
}
}
PYGLIB_MODULE_END;
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