media/base/timestamp_constants.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_BASE_TIMESTAMP_CONSTANTS_H_
   6 #define MEDIA_BASE_TIMESTAMP_CONSTANTS_H_
   7
   8 #include "base/time/time.h"
   9 #include "media/base/media_export.h"
  10
  11 namespace media {
  12
  13 // Indicates an invalid or missing timestamp.
  14 MEDIA_EXPORT inline base::TimeDelta kNoTimestamp() {
  15   return base::TimeDelta::FromMicroseconds(kint64min);
  16 }
  17
  18 // Represents an infinite stream duration.
  19 MEDIA_EXPORT inline base::TimeDelta kInfiniteDuration() {
  20   return base::TimeDelta::Max();
  21 }
  22
  23 }  // namespace media
  24
  25 #endif  // MEDIA_BASE_TIMESTAMP_CONSTANTS_H_