Home | History | Annotate | Download | only in android 
      1 // Copyright 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 CONTENT_BROWSER_MEDIA_ANDROID_BROWSER_DEMUXER_ANDROID_H_
      6 #define CONTENT_BROWSER_MEDIA_ANDROID_BROWSER_DEMUXER_ANDROID_H_
      7 
      8 #include "base/id_map.h"
      9 #include "content/public/browser/browser_message_filter.h"
     10 #include "media/base/android/demuxer_android.h"
     11 
     12 namespace content {
     13 
     14 // Represents the browser process half of an IPC-based demuxer proxy.
     15 // It vends out media::DemuxerAndroid instances that are registered with an
     16 // end point in the renderer process.
     17 //
     18 // Refer to RendererDemuxerAndroid for the renderer process half.
     19 class CONTENT_EXPORT BrowserDemuxerAndroid : public BrowserMessageFilter {
     20  public:
     21   BrowserDemuxerAndroid();
     22 
     23   // BrowserMessageFilter overrides.
     24   virtual void OverrideThreadForMessage(const IPC::Message& message,
     25                                         BrowserThread::ID* thread) OVERRIDE;
     26   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
     27 
     28   // Returns an uninitialized demuxer implementation associated with
     29   // |demuxer_client_id|, which can be used to communicate with the real demuxer
     30   // in the renderer process.
     31   scoped_ptr<media::DemuxerAndroid> CreateDemuxer(int demuxer_client_id);
     32 
     33  protected:
     34   friend class base::RefCountedThreadSafe<BrowserDemuxerAndroid>;
     35   virtual ~BrowserDemuxerAndroid();
     36 
     37  private:
     38   class Internal;
     39 
     40   // Called by internal demuxer implementations to add/remove a client
     41   // association.
     42   void AddDemuxerClient(int demuxer_client_id,
     43                         media::DemuxerAndroidClient* client);
     44   void RemoveDemuxerClient(int demuxer_client_id);
     45 
     46   // IPC message handlers.
     47   void OnDemuxerReady(int demuxer_client_id,
     48                       const media::DemuxerConfigs& configs);
     49   void OnReadFromDemuxerAck(int demuxer_client_id,
     50                             const media::DemuxerData& data);
     51   void OnDemuxerSeekDone(int demuxer_client_id,
     52                          const base::TimeDelta& actual_browser_seek_time);
     53   void OnDurationChanged(int demuxer_client_id,
     54                          const base::TimeDelta& duration);
     55 
     56   IDMap<media::DemuxerAndroidClient> demuxer_clients_;
     57 
     58   DISALLOW_COPY_AND_ASSIGN(BrowserDemuxerAndroid);
     59 };
     60 
     61 }  // namespace content
     62 
     63 #endif  // CONTENT_BROWSER_MEDIA_ANDROID_BROWSER_DEMUXER_ANDROID_H_
     64