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// Copyright 2018 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 COMPONENTS_ARC_VIDEO_ACCELERATOR_GPU_ARC_VIDEO_PROTECTED_BUFFER_ALLOCATOR_H_
#define COMPONENTS_ARC_VIDEO_ACCELERATOR_GPU_ARC_VIDEO_PROTECTED_BUFFER_ALLOCATOR_H_
#include <memory>
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "components/arc/mojom/video_protected_buffer_allocator.mojom.h"
#include "mojo/public/cpp/system/handle.h"
namespace arc {
class ProtectedBufferAllocator;
class ProtectedBufferManager;
// GpuArcProtectedBufferAllocator runs in the GPU process.
// It takes allocating/releasing protected buffer request from ARC via IPC
// channel.
// Closing Mojo IPC message pipe to this instance will automatically release
// all buffers allocated for this instance.
class GpuArcVideoProtectedBufferAllocator
: public mojom::VideoProtectedBufferAllocator {
public:
~GpuArcVideoProtectedBufferAllocator() override;
static std::unique_ptr<GpuArcVideoProtectedBufferAllocator> Create(
scoped_refptr<ProtectedBufferManager> protected_buffer_manager);
// Implementation of mojom::VideoProtectedBufferAllocator
void AllocateProtectedSharedMemory(
mojo::ScopedHandle handle_fd,
uint64_t size,
AllocateProtectedSharedMemoryCallback callback) override;
void AllocateProtectedNativePixmap(
mojo::ScopedHandle handle_fd,
mojom::HalPixelFormat format,
const gfx::Size& picture_size,
AllocateProtectedNativePixmapCallback callback) override;
void ReleaseProtectedBuffer(mojo::ScopedHandle handle_fd) override;
private:
explicit GpuArcVideoProtectedBufferAllocator(
std::unique_ptr<ProtectedBufferAllocator> protected_buffer_allocator);
const std::unique_ptr<ProtectedBufferAllocator> protected_buffer_allocator_;
THREAD_CHECKER(thread_checker_);
DISALLOW_COPY_AND_ASSIGN(GpuArcVideoProtectedBufferAllocator);
};
} // namespace arc
#endif // COMPONENTS_ARC_VIDEO_ACCELERATOR_GPU_ARC_VIDEO_PROTECTED_BUFFER_ALLOCATOR_H_