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/blink/encrypted_media_player_support.h" 12 13 namespace base { 14 class SingleThreadTaskRunner; 15 } 16 17 namespace blink { 18 class WebMediaPlayerClient; 19 } 20 21 namespace media { 22 class AudioHardwareConfig; 23 class AudioRendererSink; 24 class GpuVideoAcceleratorFactories; 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 // Callback used to create EncryptedMediaPlayerSupport instances. This 32 // callback must always return a valid EncryptedMediaPlayerSupport object. 33 typedef base::Callback<scoped_ptr<EncryptedMediaPlayerSupport>( 34 blink::WebMediaPlayerClient*)> EncryptedMediaPlayerSupportCreateCB; 35 typedef base::Callback<void(const base::Closure&)> DeferLoadCB; 36 37 // |defer_load_cb|, |audio_renderer_sink|, and |compositor_task_runner| may be 38 // null. 39 WebMediaPlayerParams( 40 const DeferLoadCB& defer_load_cb, 41 const scoped_refptr<AudioRendererSink>& audio_renderer_sink, 42 const AudioHardwareConfig& audio_hardware_config, 43 const scoped_refptr<MediaLog>& media_log, 44 const scoped_refptr<GpuVideoAcceleratorFactories>& gpu_factories, 45 const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner, 46 const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner, 47 const EncryptedMediaPlayerSupportCreateCB& 48 encrypted_media_player_support_cb, 49 blink::WebContentDecryptionModule* initial_cdm); 50 51 ~WebMediaPlayerParams(); 52 53 base::Callback<void(const base::Closure&)> defer_load_cb() const { 54 return defer_load_cb_; 55 } 56 57 const scoped_refptr<AudioRendererSink>& audio_renderer_sink() const { 58 return audio_renderer_sink_; 59 } 60 61 const AudioHardwareConfig& audio_hardware_config() const { 62 return audio_hardware_config_; 63 } 64 65 const scoped_refptr<MediaLog>& media_log() const { 66 return media_log_; 67 } 68 69 const scoped_refptr<GpuVideoAcceleratorFactories>& 70 gpu_factories() const { 71 return gpu_factories_; 72 } 73 74 const scoped_refptr<base::SingleThreadTaskRunner>& 75 media_task_runner() const { 76 return media_task_runner_; 77 } 78 79 const scoped_refptr<base::SingleThreadTaskRunner>& 80 compositor_task_runner() const { 81 return compositor_task_runner_; 82 } 83 84 scoped_ptr<EncryptedMediaPlayerSupport> 85 CreateEncryptedMediaPlayerSupport(blink::WebMediaPlayerClient* client) const; 86 87 private: 88 base::Callback<void(const base::Closure&)> defer_load_cb_; 89 scoped_refptr<AudioRendererSink> audio_renderer_sink_; 90 const AudioHardwareConfig& audio_hardware_config_; 91 scoped_refptr<MediaLog> media_log_; 92 scoped_refptr<GpuVideoAcceleratorFactories> gpu_factories_; 93 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; 94 scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_; 95 EncryptedMediaPlayerSupportCreateCB encrypted_media_player_support_cb_; 96 blink::WebContentDecryptionModule* initial_cdm_; 97 98 DISALLOW_IMPLICIT_CONSTRUCTORS(WebMediaPlayerParams); 99 }; 100 101 } // namespace media 102 103 #endif // MEDIA_BLINK_WEBMEDIAPLAYER_PARAMS_H_ 104
