1 files changed, 0 insertions, 90 deletions
diff --git a/media/base/synchronizer.cc b/media/base/synchronizer.cc
deleted file mode 100644
index abeb8ad..0000000
--- a/media/base/synchronizer.cc
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "media/base/synchronizer.h"
-
-namespace media {
-
-const int64 Synchronizer::kMinFrameDelayUs = 0;
-const int64 Synchronizer::kMaxFrameDelayUs = 250000;
-
-Synchronizer::Synchronizer() {
-}
-
-Synchronizer::~Synchronizer() {
-}
-
-void Synchronizer::StartRendering() {
-  rendering_start_ = base::TimeTicks::Now();
-}
-
-void Synchronizer::StopRendering() {
-  rendering_stop_ = base::TimeTicks::Now();
-}
-
-void Synchronizer::CalculateDelay(base::TimeDelta time,
-                                  const StreamSample* now,
-                                  const StreamSample* next,
-                                  base::TimeDelta* delay_out,
-                                  bool* should_skip_out) {
-  // How long rendering took.
-  base::TimeDelta render_delta = rendering_stop_ - rendering_start_;
-
-  // The duration to display the sample |now|.
-  base::TimeDelta duration = now->GetDuration();
-
-  // The presentation timestamp (pts) of the sample |now|.
-  base::TimeDelta now_pts = now->GetTimestamp();
-
-  // The presentation timestamp (pts) of the next sample.
-  base::TimeDelta next_pts;
-
-  // If we were provided the next sample in the stream |next|, use it to
-  // calculate the actual sample duration as opposed to the expected duration
-  // provided by the current sample |now|.
-  //
-  // We also use |next| to get the exact next timestamp as opposed to assuming
-  // it will be |now| + |now|'s duration, which may not always be true.
-  if (next) {
-    next_pts = next->GetTimestamp();
-    duration = next_pts - now_pts;
-
-    // Timestamps appear out of order, so skip this frame.
-    if (duration.InMicroseconds() < 0) {
-      *delay_out = base::TimeDelta();
-      *should_skip_out = true;
-      return;
-    }
-  } else {
-    // Assume next presentation timestamp is |now| + |now|'s duration.
-    next_pts = now_pts + duration;
-  }
-
-  base::TimeDelta sleep;
-  if (time == last_time_) {
-    // The audio time has not changed. To avoid sudden bursts of video after
-    // we get audio timing information, we try and guess the current time
-    // using the duration of the frame.
-    sleep = duration - render_delta;
-    if (sleep.InMicroseconds() < kMinFrameDelayUs) {
-      sleep = base::TimeDelta::FromMicroseconds(kMinFrameDelayUs);
-    }
-  } else {
-    // The audio time has changed.  The amount of time to delay is equal to
-    // the time until the next sample from now minus how long it takes to
-    // render, clamped to within the min/max frame delay constants.
-    sleep = next_pts - time - render_delta;
-    if (sleep.InMicroseconds() < kMinFrameDelayUs) {
-      sleep = base::TimeDelta::FromMicroseconds(kMinFrameDelayUs);
-    } else if (sleep.InMicroseconds() > kMaxFrameDelayUs) {
-      sleep = base::TimeDelta::FromMicroseconds(kMaxFrameDelayUs);
-    }
-  }
-  last_time_ = time;
-
-  *delay_out = sleep;
-  *should_skip_out = false;
-}
-
-}  // namespace media