1 // Copyright (c) 2013 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_FILTERS_STREAM_PARSER_FACTORY_H_ 6 #define MEDIA_FILTERS_STREAM_PARSER_FACTORY_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/memory/scoped_ptr.h" 12 #include "media/base/media_export.h" 13 #include "media/base/media_log.h" 14 15 namespace media { 16 17 class StreamParser; 18 19 class MEDIA_EXPORT StreamParserFactory { 20 public: 21 // Checks to see if the specified |type| and |codecs| list are supported. 22 // Returns true if |type| and all codecs listed in |codecs| are supported. 23 static bool IsTypeSupported( 24 const std::string& type, const std::vector<std::string>& codecs); 25 26 // Creates a new StreamParser object if the specified |type| and |codecs| list 27 // are supported. |log_cb| can be used to report errors if there is something 28 // wrong with |type| or the codec IDs in |codecs|. 29 // Returns a new StreamParser object if |type| and all codecs listed in 30 // |codecs| are supported. 31 // |has_audio| is true if an audio codec was specified. 32 // |has_video| is true if a video codec was specified. 33 // Returns NULL otherwise. The values of |has_audio| and |has_video| are 34 // undefined. 35 static scoped_ptr<StreamParser> Create( 36 const std::string& type, const std::vector<std::string>& codecs, 37 const LogCB& log_cb, bool* has_audio, bool* has_video); 38 }; 39 40 } // namespace media 41 42 #endif // MEDIA_FILTERS_STREAM_PARSER_FACTORY_H_ 43
