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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.
- //
- // 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_VAAPI_PICTURE_H_
- #define MEDIA_GPU_VAAPI_VAAPI_PICTURE_H_
- #include <stdint.h>
- #include "base/memory/ref_counted.h"
- #include "base/sequence_checker.h"
- #include "media/gpu/gpu_video_decode_accelerator_helpers.h"
- #include "media/gpu/media_gpu_export.h"
- #include "media/gpu/vaapi/vaapi_status.h"
- #include "ui/gfx/geometry/size.h"
- #include "ui/gfx/gpu_memory_buffer.h"
- namespace media {
- using VASurfaceID = unsigned int;
- class VASurface;
- class VaapiWrapper;
- // Picture is native pixmap abstraction (X11/Ozone).
- class MEDIA_GPU_EXPORT VaapiPicture {
- public:
- VaapiPicture(const VaapiPicture&) = delete;
- VaapiPicture& operator=(const VaapiPicture&) = delete;
- virtual ~VaapiPicture();
- // Uses 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,
- gfx::GpuMemoryBufferHandle gpu_memory_buffer_handle) = 0;
- // Allocates a buffer of |format| to use as backing storage for this picture.
- virtual VaapiStatus Allocate(gfx::BufferFormat format) = 0;
- int32_t picture_buffer_id() const { return picture_buffer_id_; }
- virtual bool AllowOverlay() const;
- // Downloads |va_surface| into the picture, potentially scaling it if needed.
- virtual bool DownloadFromSurface(scoped_refptr<VASurface> va_surface) = 0;
- // Returns the associated VASurfaceID, if any, or VA_INVALID_ID.
- virtual VASurfaceID va_surface_id() const;
- protected:
- VaapiPicture(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,
- const gfx::Size& visible_size,
- uint32_t texture_id,
- uint32_t client_texture_id,
- uint32_t texture_target);
- const scoped_refptr<VaapiWrapper> vaapi_wrapper_;
- const MakeGLContextCurrentCallback make_context_current_cb_;
- const BindGLImageCallback bind_image_cb_;
- const gfx::Size size_;
- const gfx::Size visible_size_;
- const uint32_t texture_id_;
- const uint32_t client_texture_id_;
- const uint32_t texture_target_;
- SEQUENCE_CHECKER(sequence_checker_);
- private:
- const int32_t picture_buffer_id_;
- };
- } // namespace media
- #endif // MEDIA_GPU_VAAPI_VAAPI_PICTURE_H_
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