media/base/android/media_drm_bridge_delegate.h

   1 // Copyright 2015 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_DRM_BRIDGE_DELEGATE_H_
   6 #define MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_DELEGATE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/macros.h"
  12 #include "media/base/android/media_client_android.h"
  13 #include "media/base/eme_constants.h"
  14 #include "media/base/media_export.h"
  15
  16 namespace media {
  17
  18 // Allows embedders to modify the Android MediaDrm flow. Delegates are
  19 // registered to a specific key system.
  20 class MEDIA_EXPORT MediaDrmBridgeDelegate {
  21  public:
  22   MediaDrmBridgeDelegate();
  23   virtual ~MediaDrmBridgeDelegate();
  24
  25   // Returns the UUID of the DRM scheme that this delegate applies to.
  26   virtual const UUID GetUUID() const = 0;
  27
  28   // Invoked from CreateSession.
  29   // If |init_data_out| is filled, it replaces |init_data| to send to the
  30   // MediaDrm instance.
  31   // If |optional_parameters_out| is filled, it is expected to be an
  32   // even-length list of (key, value) pairs to send to the MediaDrm instance.
  33   // Returns false if the request should be rejected.
  34   virtual bool OnCreateSession(
  35       const EmeInitDataType init_data_type,
  36       const std::vector<uint8_t>& init_data,
  37       std::vector<uint8_t>* init_data_out,
  38       std::vector<std::string>* optional_parameters_out);
  39
  40  private:
  41   DISALLOW_COPY_AND_ASSIGN(MediaDrmBridgeDelegate);
  42 };
  43
  44 }  // namespace media
  45
  46 #endif  // MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_DELEGATE_H_