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// Copyright 2016 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 MEDIA_CAPTURE_VIDEO_SHARED_MEMORY_BUFFER_TRACKER_H_
#define MEDIA_CAPTURE_VIDEO_SHARED_MEMORY_BUFFER_TRACKER_H_
#include "media/capture/video/shared_memory_handle_provider.h"
#include "media/capture/video/video_capture_buffer_handle.h"
#include "media/capture/video/video_capture_buffer_tracker.h"
namespace gfx {
class Size;
}
namespace media {
// Tracker specifics for SharedMemory.
class SharedMemoryBufferTracker final : public VideoCaptureBufferTracker {
public:
SharedMemoryBufferTracker();
~SharedMemoryBufferTracker() override;
bool Init(const gfx::Size& dimensions, VideoPixelFormat format) override;
// Implementation of VideoCaptureBufferTracker:
std::unique_ptr<VideoCaptureBufferHandle> GetMemoryMappedAccess() override;
mojo::ScopedSharedBufferHandle GetHandleForTransit(bool read_only) override;
base::SharedMemoryHandle GetNonOwnedSharedMemoryHandleForLegacyIPC() override;
uint32_t GetMemorySizeInBytes() override;
private:
SharedMemoryHandleProvider provider_;
DISALLOW_COPY_AND_ASSIGN(SharedMemoryBufferTracker);
};
} // namespace media
#endif // MEDIA_CAPTURE_VIDEO_SHARED_MEMORY_BUFFER_TRACKER_H_
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