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1 // Copyright 2016 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_BASE_ANDROID_MEDIA_URL_DEMUXER_H_ | |
6 #define MEDIA_BASE_ANDROID_MEDIA_URL_DEMUXER_H_ | |
7 | |
8 #include <stddef.h> | |
9 | |
10 #include "base/callback.h" | |
11 #include "base/macros.h" | |
12 #include "base/memory/weak_ptr.h" | |
13 #include "media/base/demuxer.h" | |
14 #include "url/gurl.h" | |
15 | |
16 namespace media { | |
17 | |
18 // Class that saves a URL for later retrieval. To be used in conjunction with | |
19 // the MediaPlayerRenderer. | |
20 // | |
21 // Its primary purpose is to act as a dummy Demuxer, when there is no need | |
22 // for DemuxerStreams (e.g. in the MediaPlayerRenderer case). For the most part, | |
23 // its implementation of the Demuxer are NOPs that return the default values and | |
24 // fire any provided callbacks immediately. | |
25 // | |
26 // If Pipeline where to be refactored to use a DemuxerStreamProvider instead of | |
27 // a Demuxer, MediaUrlDemuxer should be refactored to inherit directly from | |
28 // DemuxerStreamProvider. | |
29 class MediaUrlDemuxer : public Demuxer { | |
30 public: | |
31 MediaUrlDemuxer( | |
32 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | |
33 const GURL& url); | |
34 ~MediaUrlDemuxer() override; | |
35 | |
36 // DemuxerStreamProvider interface. | |
37 DemuxerStream* GetStream(DemuxerStream::Type type) override; | |
38 GURL GetUrl() const override; | |
39 DemuxerStreamProvider::Type GetType() const override; | |
40 | |
41 // Demuxer interface. | |
42 std::string GetDisplayName() const override; | |
43 void Initialize(DemuxerHost* host, | |
44 const PipelineStatusCB& status_cb, | |
45 bool enable_text_tracks) override; | |
46 void StartWaitingForSeek(base::TimeDelta seek_time) override; | |
47 void CancelPendingSeek(base::TimeDelta seek_time) override; | |
48 void Seek(base::TimeDelta time, const PipelineStatusCB& status_cb) override; | |
49 void Stop() override; | |
50 base::TimeDelta GetStartTime() const override; | |
51 base::Time GetTimelineOffset() const override; | |
52 int64_t GetMemoryUsage() const override; | |
53 void OnEnabledAudioTracksChanged(const std::vector<MediaTrack::Id>& track_ids, | |
54 base::TimeDelta currTime) override; | |
55 void OnSelectedVideoTrackChanged(const std::vector<MediaTrack::Id>& track_ids, | |
56 base::TimeDelta currTime) override; | |
57 | |
58 private: | |
59 GURL url_; | |
60 | |
61 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
62 | |
63 DISALLOW_COPY_AND_ASSIGN(MediaUrlDemuxer); | |
64 }; | |
65 | |
66 } // namespace media | |
67 | |
68 #endif // MEDIA_BASE_ANDROID_MEDIA_URL_DEMUXER_H_ | |
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