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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 implementation of picture allocation for the
// Ozone window system used by VaapiVideoDecodeAccelerator to produce
// output pictures.
#ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
#define CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "content/common/gpu/media/vaapi_picture.h"
#include "ui/gfx/geometry/size.h"
namespace gfx {
class GLImage;
}
namespace ui {
class NativePixmap;
}
namespace content {
class VaapiWrapper;
// Implementation of VaapiPicture for the ozone/drm backed chromium.
class VaapiDrmPicture : public VaapiPicture {
public:
VaapiDrmPicture(VaapiWrapper* vaapi_wrapper,
const base::Callback<bool(void)>& make_context_current,
int32 picture_buffer_id,
uint32 texture_id,
const gfx::Size& size);
~VaapiDrmPicture() override;
bool Initialize() override;
bool DownloadFromSurface(const scoped_refptr<VASurface>& va_surface) override;
scoped_refptr<gfx::GLImage> GetImageToBind() override;
bool AllowOverlay() const override;
private:
// Calls ScalePixmap() if weak_ptr is not NULL.
static scoped_refptr<ui::NativePixmap> CallScalePixmap(
base::WeakPtr<VaapiDrmPicture> weak_ptr,
gfx::Size new_size);
// Use VPP to scale underlying pixmap_ to |new_size| and return the
// scaling result with a new pixmap.
scoped_refptr<ui::NativePixmap> ScalePixmap(gfx::Size new_size);
scoped_refptr<VASurface> CreateVASurfaceForPixmap(
scoped_refptr<ui::NativePixmap> pixmap,
gfx::Size pixmap_size);
scoped_refptr<ui::NativePixmap> CreateNativePixmap(gfx::Size size);
VaapiWrapper* vaapi_wrapper_; // Not owned.
base::Callback<bool(void)> make_context_current_;
// Ozone buffer, the storage of the EGLImage and the VASurface.
scoped_refptr<ui::NativePixmap> pixmap_;
// Ozone buffer, the storage of the scaled buffer for overlay.
scoped_refptr<ui::NativePixmap> scaled_pixmap_;
// EGLImage bound to the GL textures used by the VDA client.
scoped_refptr<gfx::GLImage> gl_image_;
// VASurface used to transfer from the decoder's pixel format.
scoped_refptr<VASurface> va_surface_;
// VaSurface used to apply scaling.
scoped_refptr<VASurface> scaled_va_surface_;
// The WeakPtrFactory for VaapiDrmPicture.
base::WeakPtrFactory<VaapiDrmPicture> weak_this_factory_;
DISALLOW_COPY_AND_ASSIGN(VaapiDrmPicture);
};
} // namespace content
#endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
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