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Side by Side Diff: media/base/filter_collection.h

Issue 5527003: Rename MediaFilter and MediaFilterCollection to Filter and FilterCollection, respectively. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src
Patch Set: Missed a few more Created 10 years ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef MEDIA_BASE_MEDIA_FILTER_COLLECTION_H_ 5 #ifndef MEDIA_BASE_FILTER_COLLECTION_H_
6 #define MEDIA_BASE_MEDIA_FILTER_COLLECTION_H_ 6 #define MEDIA_BASE_FILTER_COLLECTION_H_
7 7
8 #include <list> 8 #include <list>
9 9
10 #include "base/ref_counted.h" 10 #include "base/ref_counted.h"
11 #include "media/base/filters.h" 11 #include "media/base/filters.h"
12 12
13 namespace media { 13 namespace media {
14 14
15 // This is a collection of MediaFilter objects used to form a media playback 15 // This is a collection of Filter objects used to form a media playback
16 // pipeline. See src/media/base/pipeline.h for more information. 16 // pipeline. See src/media/base/pipeline.h for more information.
17 class MediaFilterCollection { 17 class FilterCollection {
18 public: 18 public:
19 MediaFilterCollection(); 19 FilterCollection();
20 20
21 // Adds a filter to the collection. 21 // Adds a filter to the collection.
22 void AddDataSource(DataSource* filter); 22 void AddDataSource(DataSource* filter);
23 void AddDemuxer(Demuxer* filter); 23 void AddDemuxer(Demuxer* filter);
24 void AddVideoDecoder(VideoDecoder* filter); 24 void AddVideoDecoder(VideoDecoder* filter);
25 void AddAudioDecoder(AudioDecoder* filter); 25 void AddAudioDecoder(AudioDecoder* filter);
26 void AddVideoRenderer(VideoRenderer* filter); 26 void AddVideoRenderer(VideoRenderer* filter);
27 void AddAudioRenderer(AudioRenderer* filter); 27 void AddAudioRenderer(AudioRenderer* filter);
28 28
29 // Is the collection empty? 29 // Is the collection empty?
(...skipping 15 matching lines...) Expand all
45 private: 45 private:
46 // Identifies the type of filter implementation. Each filter has to be one of 46 // Identifies the type of filter implementation. Each filter has to be one of
47 // the following types. This is used to mark, identify, and support 47 // the following types. This is used to mark, identify, and support
48 // downcasting of different filter types stored in the filters_ list. 48 // downcasting of different filter types stored in the filters_ list.
49 enum FilterType { 49 enum FilterType {
50 DATA_SOURCE, 50 DATA_SOURCE,
51 DEMUXER, 51 DEMUXER,
52 AUDIO_DECODER, 52 AUDIO_DECODER,
53 VIDEO_DECODER, 53 VIDEO_DECODER,
54 AUDIO_RENDERER, 54 AUDIO_RENDERER,
55 VIDEO_RENDERER 55 VIDEO_RENDERER,
56 }; 56 };
57 57
58 // List of filters managed by this collection. 58 // List of filters managed by this collection.
59 typedef std::pair<FilterType, scoped_refptr<MediaFilter> > FilterListElement; 59 typedef std::pair<FilterType, scoped_refptr<Filter> > FilterListElement;
60 typedef std::list<FilterListElement> FilterList; 60 typedef std::list<FilterListElement> FilterList;
61 FilterList filters_; 61 FilterList filters_;
62 62
63 // Helper function that adds a filter to the filter list. 63 // Helper function that adds a filter to the filter list.
64 void AddFilter(FilterType filter_type, MediaFilter* filter); 64 void AddFilter(FilterType filter_type, Filter* filter);
65 65
66 // Helper function for SelectXXX() methods. It manages the 66 // Helper function for SelectXXX() methods. It manages the
67 // downcasting and mapping between FilterType and Filter class. 67 // downcasting and mapping between FilterType and Filter class.
68 template<FilterType filter_type, class Filter> 68 template<FilterType filter_type, typename F>
69 void SelectFilter(scoped_refptr<Filter>* filter_out); 69 void SelectFilter(scoped_refptr<F>* filter_out);
70 70
71 // Helper function that searches the filters list for a specific 71 // Helper function that searches the filters list for a specific filter type.
72 // filter type. 72 void SelectFilter(FilterType filter_type, scoped_refptr<Filter>* filter_out);
73 void SelectFilter(FilterType filter_type,
74 scoped_refptr<MediaFilter>* filter_out);
75 73
76 DISALLOW_COPY_AND_ASSIGN(MediaFilterCollection); 74 DISALLOW_COPY_AND_ASSIGN(FilterCollection);
77 }; 75 };
78 76
79 } // namespace media 77 } // namespace media
80 78
81 #endif // MEDIA_BASE_MEDIA_FILTER_COLLECTION_H_ 79 #endif // MEDIA_BASE_FILTER_COLLECTION_H_
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