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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/filter_collection.h" | 5 #include "media/base/filter_collection.h" |
6 | 6 |
7 namespace media { | 7 namespace media { |
8 | 8 |
9 FilterCollection::FilterCollection() { | 9 FilterCollection::FilterCollection() { |
10 } | 10 } |
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36 bool FilterCollection::IsEmpty() const { | 36 bool FilterCollection::IsEmpty() const { |
37 return filters_.empty(); | 37 return filters_.empty(); |
38 } | 38 } |
39 | 39 |
40 void FilterCollection::Clear() { | 40 void FilterCollection::Clear() { |
41 filters_.clear(); | 41 filters_.clear(); |
42 } | 42 } |
43 | 43 |
44 void FilterCollection::SelectDataSource( | 44 void FilterCollection::SelectDataSource( |
45 scoped_refptr<DataSource>* filter_out) { | 45 scoped_refptr<DataSource>* filter_out) { |
46 SelectFilter<DATA_SOURCE>(filter_out); | 46 SelectFilter<DATA_SOURCE>(filter_out, NULL); |
47 } | 47 } |
48 | 48 |
49 void FilterCollection::SelectDemuxer(scoped_refptr<Demuxer>* filter_out) { | 49 void FilterCollection::SelectDemuxer(scoped_refptr<Demuxer>* filter_out) { |
50 SelectFilter<DEMUXER>(filter_out); | 50 SelectFilter<DEMUXER>(filter_out, NULL); |
51 } | 51 } |
52 | 52 |
53 void FilterCollection::SelectVideoDecoder( | 53 void FilterCollection::SelectVideoDecoder( |
54 scoped_refptr<VideoDecoder>* filter_out) { | 54 scoped_refptr<VideoDecoder>* filter_out, int codec_id) { |
55 SelectFilter<VIDEO_DECODER>(filter_out); | 55 SelectFilter<VIDEO_DECODER>(filter_out, &codec_id); |
56 } | 56 } |
57 | 57 |
58 void FilterCollection::SelectAudioDecoder( | 58 void FilterCollection::SelectAudioDecoder( |
59 scoped_refptr<AudioDecoder>* filter_out) { | 59 scoped_refptr<AudioDecoder>* filter_out) { |
60 SelectFilter<AUDIO_DECODER>(filter_out); | 60 SelectFilter<AUDIO_DECODER>(filter_out, NULL); |
61 } | 61 } |
62 | 62 |
63 void FilterCollection::SelectVideoRenderer( | 63 void FilterCollection::SelectVideoRenderer( |
64 scoped_refptr<VideoRenderer>* filter_out) { | 64 scoped_refptr<VideoRenderer>* filter_out) { |
65 SelectFilter<VIDEO_RENDERER>(filter_out); | 65 SelectFilter<VIDEO_RENDERER>(filter_out, NULL); |
66 } | 66 } |
67 | 67 |
68 void FilterCollection::SelectAudioRenderer( | 68 void FilterCollection::SelectAudioRenderer( |
69 scoped_refptr<AudioRenderer>* filter_out) { | 69 scoped_refptr<AudioRenderer>* filter_out) { |
70 SelectFilter<AUDIO_RENDERER>(filter_out); | 70 SelectFilter<AUDIO_RENDERER>(filter_out, NULL); |
71 } | 71 } |
72 | 72 |
73 void FilterCollection::AddFilter(FilterType filter_type, | 73 void FilterCollection::AddFilter(FilterType filter_type, |
74 Filter* filter) { | 74 Filter* filter) { |
75 filters_.push_back(FilterListElement(filter_type, filter)); | 75 filters_.push_back(FilterListElement(filter_type, filter)); |
76 } | 76 } |
77 | 77 |
78 template<FilterCollection::FilterType filter_type, typename F> | 78 template<FilterCollection::FilterType filter_type, typename F> |
79 void FilterCollection::SelectFilter(scoped_refptr<F>* filter_out) { | 79 void FilterCollection::SelectFilter(scoped_refptr<F>* filter_out, |
| 80 void *filter_props) { |
80 scoped_refptr<Filter> filter; | 81 scoped_refptr<Filter> filter; |
81 SelectFilter(filter_type, &filter); | 82 SelectFilter(filter_type, &filter, filter_props); |
82 *filter_out = reinterpret_cast<F*>(filter.get()); | 83 *filter_out = reinterpret_cast<F*>(filter.get()); |
83 } | 84 } |
84 | 85 |
85 void FilterCollection::SelectFilter( | 86 void FilterCollection::SelectFilter( |
86 FilterType filter_type, | 87 FilterType filter_type, |
87 scoped_refptr<Filter>* filter_out) { | 88 scoped_refptr<Filter>* filter_out, void *filter_props) { |
88 | 89 |
89 FilterList::iterator it = filters_.begin(); | 90 FilterList::iterator it = filters_.begin(); |
90 while (it != filters_.end()) { | 91 while (it != filters_.end()) { |
91 if (it->first == filter_type) | 92 if (it->first == filter_type) { |
92 break; | 93 if (filter_props == NULL) |
| 94 break; |
| 95 // Now assume that *filter_props contains codec_id and we need |
| 96 // to select filter which supports this codec_id |
| 97 int codec_id = *(int*)filter_props; |
| 98 if (it->second->supports_codec_id(codec_id) == true) |
| 99 break; |
| 100 } |
93 ++it; | 101 ++it; |
94 } | 102 } |
95 | 103 |
96 if (it != filters_.end()) { | 104 if (it != filters_.end()) { |
97 *filter_out = it->second.get(); | 105 *filter_out = it->second.get(); |
98 filters_.erase(it); | 106 filters_.erase(it); |
99 } | 107 } |
100 } | 108 } |
101 | 109 |
102 } // namespace media | 110 } // namespace media |
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