| // Copyright 2013 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 CONTENT_RENDERER_MEDIA_RENDERER_GPU_VIDEO_ACCELERATOR_FACTORIES_H_ |
| #define CONTENT_RENDERER_MEDIA_RENDERER_GPU_VIDEO_ACCELERATOR_FACTORIES_H_ |
| |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "content/child/thread_safe_sender.h" |
| #include "content/common/content_export.h" |
| #include "media/filters/gpu_video_accelerator_factories.h" |
| #include "ui/gfx/size.h" |
| |
| namespace base { |
| class WaitableEvent; |
| } |
| |
| namespace content { |
| class ContextProviderCommandBuffer; |
| class GLHelper; |
| class GpuChannelHost; |
| class WebGraphicsContext3DCommandBufferImpl; |
| |
| // Glue code to expose functionality needed by media::GpuVideoAccelerator to |
| // RenderViewImpl. This class is entirely an implementation detail of |
| // RenderViewImpl and only has its own header to allow extraction of its |
| // implementation from render_view_impl.cc which is already far too large. |
| // |
| // The RendererGpuVideoAcceleratorFactories can be constructed on any thread, |
| // but subsequent calls to all public methods of the class must be called from |
| // the |task_runner_|, as provided during construction. |
| class CONTENT_EXPORT RendererGpuVideoAcceleratorFactories |
| : public media::GpuVideoAcceleratorFactories { |
| public: |
| // Takes a ref on |gpu_channel_host| and tests |context| for loss before each |
| // use. Safe to call from any thread. |
| static scoped_refptr<RendererGpuVideoAcceleratorFactories> Create( |
| GpuChannelHost* gpu_channel_host, |
| const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
| const scoped_refptr<ContextProviderCommandBuffer>& context_provider); |
| |
| // media::GpuVideoAcceleratorFactories implementation. |
| virtual scoped_ptr<media::VideoDecodeAccelerator> |
| CreateVideoDecodeAccelerator() OVERRIDE; |
| virtual scoped_ptr<media::VideoEncodeAccelerator> |
| CreateVideoEncodeAccelerator() OVERRIDE; |
| // Creates textures and produces them into mailboxes. Returns true on success |
| // or false on failure. |
| virtual bool CreateTextures(int32 count, |
| const gfx::Size& size, |
| std::vector<uint32>* texture_ids, |
| std::vector<gpu::Mailbox>* texture_mailboxes, |
| uint32 texture_target) OVERRIDE; |
| virtual void DeleteTexture(uint32 texture_id) OVERRIDE; |
| virtual void WaitSyncPoint(uint32 sync_point) OVERRIDE; |
| virtual void ReadPixels(uint32 texture_id, |
| const gfx::Rect& visible_rect, |
| const SkBitmap& pixels) OVERRIDE; |
| virtual base::SharedMemory* CreateSharedMemory(size_t size) OVERRIDE; |
| virtual scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() OVERRIDE; |
| virtual std::vector<media::VideoEncodeAccelerator::SupportedProfile> |
| GetVideoEncodeAcceleratorSupportedProfiles() OVERRIDE; |
| |
| private: |
| friend class base::RefCountedThreadSafe<RendererGpuVideoAcceleratorFactories>; |
| RendererGpuVideoAcceleratorFactories( |
| GpuChannelHost* gpu_channel_host, |
| const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
| const scoped_refptr<ContextProviderCommandBuffer>& context_provider); |
| virtual ~RendererGpuVideoAcceleratorFactories(); |
| |
| // Helper to bind |context_provider| to the |task_runner_| thread after |
| // construction. |
| void BindContext(); |
| |
| // Helper to get a pointer to the WebGraphicsContext3DCommandBufferImpl, |
| // if it has not been lost yet. |
| WebGraphicsContext3DCommandBufferImpl* GetContext3d(); |
| GLHelper* GetGLHelper(); |
| |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| scoped_refptr<GpuChannelHost> gpu_channel_host_; |
| scoped_refptr<ContextProviderCommandBuffer> context_provider_; |
| scoped_ptr<GLHelper> gl_helper_; |
| |
| // For sending requests to allocate shared memory in the Browser process. |
| scoped_refptr<ThreadSafeSender> thread_safe_sender_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RendererGpuVideoAcceleratorFactories); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_MEDIA_RENDERER_GPU_VIDEO_ACCELERATOR_FACTORIES_H_ |