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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 #include "media/base/media_filter_collection.h" | 5 #include "media/base/media_filter_collection.h" |
6 | 6 |
7 namespace media { | 7 namespace media { |
8 | 8 |
9 MediaFilterCollection::MediaFilterCollection() { | 9 MediaFilterCollection::MediaFilterCollection() { |
10 } | 10 } |
11 | 11 |
12 void MediaFilterCollection::AddDataSource(DataSource* filter) { | 12 void MediaFilterCollection::AddFilter(MediaFilter* filter) { |
13 AddFilter(DATA_SOURCE, filter); | 13 filters_.push_back(filter); |
14 } | |
15 | |
16 void MediaFilterCollection::AddDemuxer(Demuxer* filter) { | |
17 AddFilter(DEMUXER, filter); | |
18 } | |
19 | |
20 void MediaFilterCollection::AddVideoDecoder(VideoDecoder* filter) { | |
21 AddFilter(VIDEO_DECODER, filter); | |
22 } | |
23 | |
24 void MediaFilterCollection::AddAudioDecoder(AudioDecoder* filter) { | |
25 AddFilter(AUDIO_DECODER, filter); | |
26 } | |
27 | |
28 void MediaFilterCollection::AddVideoRenderer(VideoRenderer* filter) { | |
29 AddFilter(VIDEO_RENDERER, filter); | |
30 } | |
31 | |
32 void MediaFilterCollection::AddAudioRenderer(AudioRenderer* filter) { | |
33 AddFilter(AUDIO_RENDERER, filter); | |
34 } | 14 } |
35 | 15 |
36 bool MediaFilterCollection::IsEmpty() const { | 16 bool MediaFilterCollection::IsEmpty() const { |
37 return filters_.empty(); | 17 return filters_.empty(); |
38 } | 18 } |
39 | 19 |
40 void MediaFilterCollection::Clear() { | 20 void MediaFilterCollection::Clear() { |
41 filters_.clear(); | 21 filters_.clear(); |
42 } | 22 } |
43 | 23 |
44 void MediaFilterCollection::SelectDataSource( | |
45 scoped_refptr<DataSource>* filter_out) { | |
46 SelectFilter<DATA_SOURCE>(filter_out); | |
47 } | |
48 | |
49 void MediaFilterCollection::SelectDemuxer(scoped_refptr<Demuxer>* filter_out) { | |
50 SelectFilter<DEMUXER>(filter_out); | |
51 } | |
52 | |
53 void MediaFilterCollection::SelectVideoDecoder( | |
54 scoped_refptr<VideoDecoder>* filter_out) { | |
55 SelectFilter<VIDEO_DECODER>(filter_out); | |
56 } | |
57 | |
58 void MediaFilterCollection::SelectAudioDecoder( | |
59 scoped_refptr<AudioDecoder>* filter_out) { | |
60 SelectFilter<AUDIO_DECODER>(filter_out); | |
61 } | |
62 | |
63 void MediaFilterCollection::SelectVideoRenderer( | |
64 scoped_refptr<VideoRenderer>* filter_out) { | |
65 SelectFilter<VIDEO_RENDERER>(filter_out); | |
66 } | |
67 | |
68 void MediaFilterCollection::SelectAudioRenderer( | |
69 scoped_refptr<AudioRenderer>* filter_out) { | |
70 SelectFilter<AUDIO_RENDERER>(filter_out); | |
71 } | |
72 | |
73 void MediaFilterCollection::AddFilter(FilterType filter_type, | |
74 MediaFilter* filter) { | |
75 filters_.push_back(FilterListElement(filter_type, filter)); | |
76 } | |
77 | |
78 template<MediaFilterCollection::FilterType filter_type, class Filter> | |
79 void MediaFilterCollection::SelectFilter(scoped_refptr<Filter>* filter_out) { | |
80 scoped_refptr<MediaFilter> filter; | |
81 SelectFilter(filter_type, &filter); | |
82 *filter_out = reinterpret_cast<Filter*>(filter.get()); | |
83 } | |
84 | |
85 void MediaFilterCollection::SelectFilter( | 24 void MediaFilterCollection::SelectFilter( |
86 FilterType filter_type, | 25 FilterType filter_type, |
87 scoped_refptr<MediaFilter>* filter_out) { | 26 scoped_refptr<MediaFilter>* filter_out) { |
88 | 27 |
89 FilterList::iterator it = filters_.begin(); | 28 std::list<scoped_refptr<MediaFilter> >::iterator it = filters_.begin(); |
90 while (it != filters_.end()) { | 29 while (it != filters_.end()) { |
91 if (it->first == filter_type) | 30 if ((*it)->filter_type() == filter_type) |
92 break; | 31 break; |
93 ++it; | 32 ++it; |
94 } | 33 } |
95 | 34 |
96 if (it != filters_.end()) { | 35 if (it != filters_.end()) { |
97 *filter_out = it->second.get(); | 36 *filter_out = it->get(); |
98 filters_.erase(it); | 37 filters_.erase(it); |
99 } | 38 } |
100 } | 39 } |
101 | 40 |
102 } // namespace media | 41 } // namespace media |
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