| // 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. |
| // |
| // This file contains an interface of output pictures for the Vaapi |
| // video decoder. This is implemented by different window system |
| // (X11/Ozone) and used by VaapiVideoDecodeAccelerator to produce |
| // output pictures. |
| |
| #ifndef MEDIA_GPU_VAAPI_PICTURE_H_ |
| #define MEDIA_GPU_VAAPI_PICTURE_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "base/memory/linked_ptr.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/threading/non_thread_safe.h" |
| #include "media/gpu/gpu_video_decode_accelerator_helpers.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/gpu_memory_buffer.h" |
| |
| namespace gl { |
| class GLImage; |
| } |
| |
| namespace media { |
| |
| class VASurface; |
| class VaapiWrapper; |
| |
| // Picture is native pixmap abstraction (X11/Ozone). |
| class VaapiPicture : public base::NonThreadSafe { |
| public: |
| // Create a VaapiPicture of |size| to be associated with |picture_buffer_id|. |
| // If provided, bind it to |texture_id|, as well as to |client_texture_id| |
| // using |bind_image_cb|. |
| static linked_ptr<VaapiPicture> CreatePicture( |
| const scoped_refptr<VaapiWrapper>& vaapi_wrapper, |
| const MakeGLContextCurrentCallback& make_context_current_cb, |
| const BindGLImageCallback& bind_image_cb, |
| int32_t picture_buffer_id, |
| const gfx::Size& size, |
| uint32_t texture_id, |
| uint32_t client_texture_id); |
| |
| virtual ~VaapiPicture(); |
| |
| // Use the buffer of |format|, pointed to by |gpu_memory_buffer_handle| as the |
| // backing storage for this picture. This takes ownership of the handle and |
| // will close it even on failure. Return true on success, false otherwise. |
| virtual bool ImportGpuMemoryBufferHandle( |
| gfx::BufferFormat format, |
| const gfx::GpuMemoryBufferHandle& gpu_memory_buffer_handle) = 0; |
| |
| // Allocate a buffer of |format| to use as backing storage for this picture. |
| // Return true on success. |
| virtual bool Allocate(gfx::BufferFormat format) = 0; |
| |
| int32_t picture_buffer_id() const { return picture_buffer_id_; } |
| |
| virtual bool AllowOverlay() const; |
| |
| // Downloads the |va_surface| into the picture, potentially scaling |
| // it if needed. |
| virtual bool DownloadFromSurface( |
| const scoped_refptr<VASurface>& va_surface) = 0; |
| |
| // Get the texture target used to bind EGLImages (either |
| // GL_TEXTURE_2D on X11 or GL_TEXTURE_EXTERNAL_OES on DRM). |
| static uint32_t GetGLTextureTarget(); |
| |
| protected: |
| VaapiPicture(const scoped_refptr<VaapiWrapper>& vaapi_wrapper, |
| const MakeGLContextCurrentCallback& make_context_current_cb, |
| const BindGLImageCallback& bind_image_cb, |
| int32_t picture_buffer_id, |
| const gfx::Size& size, |
| uint32_t texture_id, |
| uint32_t client_texture_id); |
| |
| scoped_refptr<VaapiWrapper> vaapi_wrapper_; |
| |
| const MakeGLContextCurrentCallback make_context_current_cb_; |
| const BindGLImageCallback bind_image_cb_; |
| |
| const gfx::Size size_; |
| const uint32_t texture_id_; |
| const uint32_t client_texture_id_; |
| |
| private: |
| int32_t picture_buffer_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(VaapiPicture); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_GPU_VAAPI_PICTURE_H_ |