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# -*- Mode: Python; py-indent-offset: 4 -*-
# vim: tabstop=4 shiftwidth=4 expandtab
#
# GstAnalytics.py
#
# Copyright (C) 2024 Daniel Morin <daniel.morin@dmohub.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This program 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
# SPDX-License-Identifier: LGPL-2.0-or-later
import sys
import typing
from gi.overrides import override
from gi.overrides import _gi_gst_analytics # type: ignore[attr-defined]
_gi_gst_analytics
if typing.TYPE_CHECKING:
# Import stubs for type checking this file.
from gi.repository import GstAnalytics
else:
from gi.module import get_introspection_module
GstAnalytics = get_introspection_module('GstAnalytics')
__all__ = []
__mtd_types__ = {}
class Mtd(GstAnalytics.Mtd):
def __eq__(self, other):
if not hasattr(other, 'meta') or not hasattr(other, 'id'):
return False
return self.meta == other.meta and self.id == other.id
def iter_direct_related(self, relation, mtd_type=GstAnalytics.Mtd):
if mtd_type != GstAnalytics.Mtd:
mtd_type = mtd_type.get_mtd_type()
else:
mtd_type = GstAnalytics.MTD_TYPE_ANY
return _gi_gst_analytics.AnalyticsMtdDirectRelatedIterator(
sys.modules[__name__], self, relation, mtd_type)
def relation_path(self, mtd, max_span=0, reltype=GstAnalytics.RelTypes.ANY):
return _gi_gst_analytics.AnalyticsMtdRelationPath(
sys.modules[__name__], self, mtd.get_id(), max_span, reltype)
__all__.append('Mtd')
def _wrap_mtd(module, name, getter):
baseclass = getattr(module, name)
wrapper = type(name, (baseclass, Mtd), {})
globals()[name] = wrapper
__mtd_types__[baseclass.get_mtd_type()] = getter
__all__.append(name)
for c in dir(GstAnalytics):
if c.endswith('Mtd') and c != 'Mtd':
lower_c = c[:-3].lower()
getter = getattr(GstAnalytics.RelationMeta, 'get_' + lower_c + '_mtd')
_wrap_mtd(GstAnalytics, c, getter)
def _get_mtd(mtd_type, rmeta, mtd_id):
res = __mtd_types__[mtd_type](rmeta, mtd_id)
if not res[0]:
raise Gst.AddError('Mtd with id={mtd_id} of rmeta={rmeta} is not known.')
return res[1]
class RelationMeta(GstAnalytics.RelationMeta):
def __iter__(self):
return _gi_gst_analytics.AnalyticsRelationMetaIterator(sys.modules[__name__], self)
def iter_on_type(self, filter):
if filter == GstAnalytics.Mtd:
return self.__iter__()
mtdtype = filter.get_mtd_type()
if mtdtype in __mtd_types__:
return _gi_gst_analytics.AnalyticsRelationMetaIteratorWithMtdTypeFilter(
sys.modules[__name__], self, mtdtype)
else:
raise TypeError('Wrong filter type is used for iter_on_type method.')
__all__.append('RelationMeta')
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