1cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 2cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// found in the LICENSE file. 4cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 5cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "media/cast/test/skewed_tick_clock.h" 6cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 7cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/time/time.h" 8cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)namespace media { 10cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)namespace cast { 11cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)namespace test { 12cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 13cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)SkewedTickClock::SkewedTickClock(base::TickClock* clock) 14cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) : clock_(clock), 15cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) skew_(1.0), 16cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) last_skew_set_time_(clock_->NowTicks()), 17cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) skew_clock_at_last_set_(last_skew_set_time_) { 18cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 19cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 20cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)base::TimeTicks SkewedTickClock::SkewTicks(base::TimeTicks now) { 21cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return base::TimeDelta::FromMicroseconds( 22cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) (now - last_skew_set_time_).InMicroseconds() * skew_) + 23cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) skew_clock_at_last_set_; 24cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 25cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 26cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void SkewedTickClock::SetSkew(double skew, base::TimeDelta offset) { 27cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::TimeTicks now = clock_->NowTicks(); 28cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) skew_clock_at_last_set_ = SkewTicks(now) + offset; 29cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) skew_ = skew; 30cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) last_skew_set_time_ = now; 31cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 32cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 33cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)base::TimeTicks SkewedTickClock::NowTicks() { 34cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return SkewTicks(clock_->NowTicks()); 35cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 36cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 37cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} // namespace test 38cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} // namespace cast 39cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} // namespace media 40