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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/macros.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 "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.
// Return true on success.
virtual Status 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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