gstreamer/gst/__init__.py

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# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
#
# gst-python
# Copyright (C) 2002 David I. Lehn
#
# 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: David I. Lehn <dlehn@users.sourceforge.net>
__ltihooks_used__ = False
try:
import ltihooks
__ltihooks_used__ = True
except:
pass
import pygtk
pygtk.require('2.0')
import gobject
del gobject
try:
import sys, DLFCN
sys.setdlopenflags(DLFCN.RTLD_LAZY | DLFCN.RTLD_GLOBAL)
del sys, DLFCN
except ImportError:
pass
class Value:
def __init__(self, type):
assert type in ('fourcc', 'intrange', 'doublerange', 'fraction')
self.type = type
class Fourcc(Value):
def __init__(self, string):
Value.__init__(self, 'fourcc')
self.fourcc = string
def __repr__(self):
return '<gst.Fourcc %s>' % self.fourcc
class IntRange(Value):
def __init__(self, low, high):
Value.__init__(self, 'intrange')
self.low = low
self.high = high
def __repr__(self):
return '<gst.IntRange [%d, %d]>' % (self.low, self.high)
class DoubleRange(Value):
def __init__(self, low, high):
Value.__init__(self, 'doublerange')
self.low = low
self.high = high
def __repr__(self):
return '<gst.DoubleRange [%f, %f]>' % (self.low, self.high)
class Fraction(Value):
def __init__(self, num, denom):
Value.__init__(self, 'fraction')
self.num = num
self.denom = denom
def __repr__(self):
return '<gst.Fraction %d/%d>' % (self.num, self.denom)
from _gst import *
import interfaces
# this restores previously installed importhooks, so we don't interfere
# with other people's module importers
# it also clears out the module completely as if it were never loaded,
# so that if anyone else imports ltihooks the hooks get installed
if __ltihooks_used__:
ltihooks.uninstall()
__ltihooks_used__ = False
del ltihooks
import sys
del sys.modules['ltihooks']