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- // 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/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();
- RendererFactory(const RendererFactory&) = delete;
- RendererFactory& operator=(const RendererFactory&) = delete;
- 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,
- 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();
- };
- } // namespace media
- #endif // MEDIA_BASE_RENDERER_FACTORY_H_
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