Not for submission. fastSeek prototype.

media/base/stream_position.h

+// Copyright 2016 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.
+
+#ifndef MEDIA_BASE_STREAM_POSITION_H_
+#define MEDIA_BASE_STREAM_POSITION_H_
+
+#include "base/time/time.h"
+#include "media/base/media_export.h"
+
+namespace media {
+
+struct MEDIA_EXPORT StreamPosition {
+  enum class Kind {
+    PRECISE,
+    KEY_FRAME_PRECEDING_TIME,
+  };
+
+  static StreamPosition Precise(base::TimeDelta time);
+  static StreamPosition KeyFramePrecedingTime(base::TimeDelta time);
+
+  bool operator==(const StreamPosition& other);
+
+  Kind kind;
+  base::TimeDelta time;
+};
+
+MEDIA_EXPORT std::string ToString(StreamPosition position);
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_STREAM_POSITION_H_