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# Copyright (C) 2003 Laurent Sansonetti <lrz@gnome.org>
#
# This file is part of Ruby/GStreamer.
#
# Ruby/GStreamer 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.
#
# Ruby/GStreamer 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 Ruby/GStreamer; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
require 'tests/misc'
class TC_clock < Test::Unit::TestCase
def debug(c)
puts "Clock info: speed #{c.speed}, active #{c.active?}, time #{c.time}" if $VERBOSE
end
def test_system_clock
assert_instance_of(Gst::Clock, c = Gst::SystemClock.obtain)
c.test(self)
end
def test_desynch_clock
src = Gst::ElementFactory.make("fakesrc", "source")
id = Gst::ElementFactory.make("identity", "filter")
sink = Gst::ElementFactory.make("fakesink", "sink")
pipeline = Gst::Pipeline.new("pipeline")
src >> id >> sink
pipeline.add(src, id, sink)
assert_instance_of(Gst::Clock, clock = pipeline.clock)
clock.test(self)
assert !clock.active?
assert_equal(clock.time, 0)
debug(clock)
pipeline.play
debug(clock)
assert clock.active?
5.times do |x|
sleep 1
pipeline.iterate
debug(clock)
a, b = (x.succ - 0.1) * Gst::SECOND, (x.succ + 0.1) * Gst::SECOND
assert (clock.time >= a && clock.time <= b)
end
end
def test_desynch2
clock = Gst::SystemClock.obtain
assert_instance_of(Gst::Clock, clock)
clock.reset!
assert !clock.active?
100.times { assert_equal(0, clock.time) }
clock.active = true
assert clock.active?
100.times do
assert clock.time > 0
assert_equal(clock, Gst::SystemClock.obtain)
end
clock.active = false
assert !clock.active?
now = clock.time
100.times { assert_equal(now, clock.time) }
clock.active = true
clock.reset!
assert !clock.active?
100.times { assert_equal(0, clock.time) }
end
def test_timer_sync
ret_codes = [
Gst::Clock::STOPPED,
Gst::Clock::TIMEOUT,
Gst::Clock::EARLY,
Gst::Clock::ERROR,
Gst::Clock::UNSUPPORTED
]
clock = Gst::SystemClock.obtain
assert_instance_of(Gst::Clock, clock)
# one shot
clock.reset!
clock.active = true
id = Gst::ClockEntry.new(clock, 2 * Gst::SECOND)
assert id.single_shot?
assert !id.periodic?
assert_equal(2 * Gst::SECOND, id.time)
#assert_equal(0, id.interval) # does not work yet, see below
assert_equal(clock, id.clock)
[ 2, 0, 0, 0 ].each do |desired_interval|
now = Time.now.to_i
assert ret_codes.include?(c = id.wait)
elapsed = Time.now.to_i - now
assert_equal(desired_interval, elapsed)
end
# periodic (does not work yet, because of 'interval' bug.
# http://bugzilla.gnome.org/show_bug.cgi?id=121015
# clock.reset!
# clock.active = true
# id = Gst::ClockEntry.new(clock, 1 * Gst::SECOND, 2 * Gst::SECOND)
# assert id.periodic?
# assert !id.single_shot?
# assert_equal(2 * Gst::SECOND, id.time)
# assert_equal(1 * Gst::SECOND, id.interval)
# assert_equal(clock, id.clock)
# [ 2, 2 ].each do |desired_interval|
# now = Time.now.to_i
# assert ret_codes.include?(c = id.wait)
# elapsed = Time.now.to_i - now
# assert_equal(desired_interval, elapsed)
# end
end
def test_timer_async
# XXX
# can't be tested on Gst::SystemClock since it does not support
# asynchronous notifications yet.
end
end
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