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_FORMATS_WEBM_WEBM_CONTENT_ENCODINGS_CLIENT_H_ 6 #define MEDIA_FORMATS_WEBM_WEBM_CONTENT_ENCODINGS_CLIENT_H_ 7 8 #include <vector> 9 10 #include "base/callback.h" 11 #include "base/compiler_specific.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "media/base/media_export.h" 14 #include "media/base/media_log.h" 15 #include "media/formats/webm/webm_content_encodings.h" 16 #include "media/formats/webm/webm_parser.h" 17 18 namespace media { 19 20 typedef std::vector<ContentEncoding*> ContentEncodings; 21 22 // Parser for WebM ContentEncodings element. 23 class MEDIA_EXPORT WebMContentEncodingsClient : public WebMParserClient { 24 public: 25 explicit WebMContentEncodingsClient(const LogCB& log_cb); 26 virtual ~WebMContentEncodingsClient(); 27 28 const ContentEncodings& content_encodings() const; 29 30 // WebMParserClient methods 31 virtual WebMParserClient* OnListStart(int id) OVERRIDE; 32 virtual bool OnListEnd(int id) OVERRIDE; 33 virtual bool OnUInt(int id, int64 val) OVERRIDE; 34 virtual bool OnBinary(int id, const uint8* data, int size) OVERRIDE; 35 36 private: 37 LogCB log_cb_; 38 scoped_ptr<ContentEncoding> cur_content_encoding_; 39 bool content_encryption_encountered_; 40 ContentEncodings content_encodings_; 41 42 // |content_encodings_| is ready. For debugging purpose. 43 bool content_encodings_ready_; 44 45 DISALLOW_COPY_AND_ASSIGN(WebMContentEncodingsClient); 46 }; 47 48 } // namespace media 49 50 #endif // MEDIA_FORMATS_WEBM_WEBM_CONTENT_ENCODINGS_CLIENT_H_ 51