media/blink/webmediaplayer_params.h

   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 MEDIA_BLINK_WEBMEDIAPLAYER_PARAMS_H_
   6 #define MEDIA_BLINK_WEBMEDIAPLAYER_PARAMS_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "media/base/media_export.h"
  11 #include "media/filters/context_3d.h"
  12
  13 namespace base {
  14 class SingleThreadTaskRunner;
  15 class TaskRunner;
  16 }
  17
  18 namespace blink {
  19 class WebContentDecryptionModule;
  20 class WebMediaPlayerClient;
  21 }
  22
  23 namespace media {
  24
  25 class AudioRendererSink;
  26 class MediaLog;
  27 class MediaPermission;
  28
  29 // Holds parameters for constructing WebMediaPlayerImpl without having
  30 // to plumb arguments through various abstraction layers.
  31 class MEDIA_EXPORT WebMediaPlayerParams {
  32  public:
  33   typedef base::Callback<void(const base::Closure&)> DeferLoadCB;
  34   typedef base::Callback<Context3D()> Context3DCB;
  35
  36   // |defer_load_cb|, |audio_renderer_sink|, |compositor_task_runner|, and
  37   // |context_3d_cb| may be null.
  38   WebMediaPlayerParams(
  39       const DeferLoadCB& defer_load_cb,
  40       const scoped_refptr<AudioRendererSink>& audio_renderer_sink,
  41       const scoped_refptr<MediaLog>& media_log,
  42       const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
  43       const scoped_refptr<base::TaskRunner>& worker_task_runner,
  44       const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
  45       const Context3DCB& context_3d,
  46       MediaPermission* media_permission,
  47       blink::WebContentDecryptionModule* initial_cdm);
  48
  49   ~WebMediaPlayerParams();
  50
  51   DeferLoadCB defer_load_cb() const { return defer_load_cb_; }
  52
  53   const scoped_refptr<AudioRendererSink>& audio_renderer_sink() const {
  54     return audio_renderer_sink_;
  55   }
  56
  57   const scoped_refptr<MediaLog>& media_log() const {
  58     return media_log_;
  59   }
  60
  61   const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner() const {
  62     return media_task_runner_;
  63   }
  64
  65   const scoped_refptr<base::TaskRunner> worker_task_runner() const {
  66     return worker_task_runner_;
  67   }
  68
  69   const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner()
  70       const {
  71     return compositor_task_runner_;
  72   }
  73
  74   Context3DCB context_3d_cb() const { return context_3d_cb_; }
  75
  76   MediaPermission* media_permission() const { return media_permission_; }
  77
  78   blink::WebContentDecryptionModule* initial_cdm() const {
  79     return initial_cdm_;
  80   }
  81
  82
  83  private:
  84   DeferLoadCB defer_load_cb_;
  85   scoped_refptr<AudioRendererSink> audio_renderer_sink_;
  86   scoped_refptr<MediaLog> media_log_;
  87   scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_;
  88   scoped_refptr<base::TaskRunner> worker_task_runner_;
  89   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
  90   Context3DCB context_3d_cb_;
  91
  92   // TODO(xhwang): Remove after prefixed EME API support is removed.
  93   MediaPermission* media_permission_;
  94   blink::WebContentDecryptionModule* initial_cdm_;
  95
  96   DISALLOW_IMPLICIT_CONSTRUCTORS(WebMediaPlayerParams);
  97 };
  98
  99 }  // namespace media
 100
 101 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_PARAMS_H_