media/base/browser_cdm.h

   1 // Copyright 2014 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_BROWSER_CDM_H_
   6 #define MEDIA_BASE_BROWSER_CDM_H_
   7
   8 #include "media/base/media_keys.h"
   9 #include "media/base/player_tracker.h"
  10
  11 namespace media {
  12
  13 // Interface for browser side CDMs.
  14 class BrowserCdm : public MediaKeys, public PlayerTracker {
  15  public:
  16   virtual ~BrowserCdm();
  17
  18   // MediaKeys implementation.
  19   virtual bool CreateSession(uint32 session_id,
  20                              const std::string& content_type,
  21                              const uint8* init_data,
  22                              int init_data_length) = 0;
  23   virtual void LoadSession(uint32 session_id,
  24                            const std::string& web_session_id) = 0;
  25   virtual void UpdateSession(uint32 session_id,
  26                              const uint8* response,
  27                              int response_length) = 0;
  28   virtual void ReleaseSession(uint32 session_id) = 0;
  29
  30   // PlayerTracker implementation.
  31   virtual int RegisterPlayer(const base::Closure& new_key_cb,
  32                              const base::Closure& cdm_unset_cb) = 0;
  33   virtual void UnregisterPlayer(int registration_id) = 0;
  34
  35  protected:
  36    BrowserCdm();
  37
  38  private:
  39   DISALLOW_COPY_AND_ASSIGN(BrowserCdm);
  40 };
  41
  42 }  // namespace media
  43
  44 #endif  // MEDIA_BASE_BROWSER_CDM_H_