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