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