| // Copyright (c) 2011 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_WEBM_WEBM_INFO_PARSER_H_ |
| #define MEDIA_WEBM_WEBM_INFO_PARSER_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "media/webm/webm_parser.h" |
| |
| namespace media { |
| |
| // Parser for WebM Info element. |
| class WebMInfoParser : public WebMParserClient { |
| public: |
| WebMInfoParser(); |
| virtual ~WebMInfoParser(); |
| |
| // Parses a WebM Info element in |buf|. |
| // |
| // Returns -1 if the parse fails. |
| // Returns 0 if more data is needed. |
| // Returns the number of bytes parsed on success. |
| int Parse(const uint8* buf, int size); |
| |
| int64 timecode_scale() const { return timecode_scale_; } |
| double duration() const { return duration_; } |
| |
| private: |
| // WebMParserClient methods |
| virtual WebMParserClient* OnListStart(int id) OVERRIDE; |
| virtual bool OnListEnd(int id) OVERRIDE; |
| virtual bool OnUInt(int id, int64 val) OVERRIDE; |
| virtual bool OnFloat(int id, double val) OVERRIDE; |
| virtual bool OnBinary(int id, const uint8* data, int size) OVERRIDE; |
| virtual bool OnString(int id, const std::string& str) OVERRIDE; |
| |
| int64 timecode_scale_; |
| double duration_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebMInfoParser); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_WEBM_WEBM_INFO_PARSER_H_ |