| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_BASE_RENDERER_FACTORY_H_ |
| #define MEDIA_BASE_RENDERER_FACTORY_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "media/base/media_export.h" |
| #include "media/base/media_resource.h" |
| #include "media/base/overlay_info.h" |
| #include "media/base/renderer.h" |
| #include "ui/gfx/color_space.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| class TaskRunner; |
| } |
| |
| namespace media { |
| |
| class AudioRendererSink; |
| class VideoRendererSink; |
| |
| // A factory class for creating media::Renderer to be used by media pipeline. |
| class MEDIA_EXPORT RendererFactory { |
| public: |
| RendererFactory(); |
| virtual ~RendererFactory(); |
| |
| // Creates and returns a Renderer. All methods of the created Renderer except |
| // for GetMediaTime() will be called on the |media_task_runner|. |
| // GetMediaTime() could be called on any thread. |
| // The created Renderer can use |audio_renderer_sink| to render audio and |
| // |video_renderer_sink| to render video. |
| virtual std::unique_ptr<Renderer> CreateRenderer( |
| const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner, |
| const scoped_refptr<base::TaskRunner>& worker_task_runner, |
| AudioRendererSink* audio_renderer_sink, |
| VideoRendererSink* video_renderer_sink, |
| const RequestOverlayInfoCB& request_overlay_info_cb, |
| const gfx::ColorSpace& target_color_space) = 0; |
| |
| // Returns the MediaResource::Type that should be used with the renderers |
| // created by this factory. |
| // NOTE: Returns Type::STREAM by default. |
| virtual MediaResource::Type GetRequiredMediaResourceType(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(RendererFactory); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_RENDERER_FACTORY_H_ |