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Issue 2305113002: Make default media::Renderer::playback_rate = 0. (Closed)
Patch Set: fixes MediaSourcePlayerTest Created 4 years, 3 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "media/base/time_delta_interpolator.h" 5 #include "media/base/time_delta_interpolator.h"
6 6
7 #include <stdint.h> 7 #include <stdint.h>
8 8
9 #include <algorithm> 9 #include <algorithm>
10 10
11 #include "base/logging.h" 11 #include "base/logging.h"
12 #include "base/time/tick_clock.h" 12 #include "base/time/tick_clock.h"
13 #include "media/base/timestamp_constants.h" 13 #include "media/base/timestamp_constants.h"
14 14
15 namespace media { 15 namespace media {
16 16
17 TimeDeltaInterpolator::TimeDeltaInterpolator(base::TickClock* tick_clock) 17 TimeDeltaInterpolator::TimeDeltaInterpolator(base::TickClock* tick_clock)
18 : tick_clock_(tick_clock), 18 : tick_clock_(tick_clock),
19 interpolating_(false), 19 interpolating_(false),
20 upper_bound_(kNoTimestamp), 20 upper_bound_(kNoTimestamp),
21 playback_rate_(1.0) { 21 playback_rate_(0) {
22 DCHECK(tick_clock_); 22 DCHECK(tick_clock_);
23 } 23 }
24 24
25 TimeDeltaInterpolator::~TimeDeltaInterpolator() { 25 TimeDeltaInterpolator::~TimeDeltaInterpolator() {
26 } 26 }
27 27
28 base::TimeDelta TimeDeltaInterpolator::StartInterpolating() { 28 base::TimeDelta TimeDeltaInterpolator::StartInterpolating() {
29 DCHECK(!interpolating_); 29 DCHECK(!interpolating_);
30 reference_ = tick_clock_->NowTicks(); 30 reference_ = tick_clock_->NowTicks();
31 interpolating_ = true; 31 interpolating_ = true;
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72 base::TimeDelta interpolated_time = 72 base::TimeDelta interpolated_time =
73 lower_bound_ + base::TimeDelta::FromMicroseconds(now_us); 73 lower_bound_ + base::TimeDelta::FromMicroseconds(now_us);
74 74
75 if (upper_bound_ == kNoTimestamp) 75 if (upper_bound_ == kNoTimestamp)
76 return interpolated_time; 76 return interpolated_time;
77 77
78 return std::min(interpolated_time, upper_bound_); 78 return std::min(interpolated_time, upper_bound_);
79 } 79 }
80 80
81 } // namespace media 81 } // namespace media
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