| // Copyright (c) 2012 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_TEXT_TRACK_H_ |
| #define MEDIA_BASE_TEXT_TRACK_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/time/time.h" |
| |
| namespace media { |
| |
| // Specifies the varieties of text tracks. |
| enum TextKind { |
| kTextSubtitles, |
| kTextCaptions, |
| kTextDescriptions, |
| kTextMetadata, |
| kTextNone |
| }; |
| |
| class TextTrack { |
| public: |
| virtual ~TextTrack() {} |
| virtual void addWebVTTCue(const base::TimeDelta& start, |
| const base::TimeDelta& end, |
| const std::string& id, |
| const std::string& content, |
| const std::string& settings) = 0; |
| }; |
| |
| typedef base::Callback<scoped_ptr<TextTrack> |
| (TextKind kind, |
| const std::string& label, |
| const std::string& language)> AddTextTrackCB; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_TEXT_TRACK_H_ |