media/base/buffering_state.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_BASE_BUFFERING_STATE_H_
   6 #define MEDIA_BASE_BUFFERING_STATE_H_
   7
   8 #include "base/callback_forward.h"
   9
  10 namespace media {
  11
  12 enum BufferingState {
  13   // Indicates that there is no data buffered.
  14   //
  15   // Typical reason is data underflow and hence playback should be paused.
  16   BUFFERING_HAVE_NOTHING,
  17
  18   // Indicates that enough data has been buffered.
  19   //
  20   // Typical reason is enough data has been prerolled to start playback.
  21   BUFFERING_HAVE_ENOUGH,
  22 };
  23
  24 // Used to indicate changes in buffering state;
  25 typedef base::Callback<void(BufferingState)> BufferingStateCB;
  26
  27 }  // namespace media
  28
  29 #endif  // MEDIA_BASE_BUFFERING_STATE_H_