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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_CDM_CDM_ALLOCATOR_H_
#define MEDIA_CDM_CDM_ALLOCATOR_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include "base/callback.h"
#include "base/macros.h"
#include "media/base/media_export.h"
namespace cdm {
class Buffer;
}
namespace media {
class VideoFrameImpl;
class MEDIA_EXPORT CdmAllocator {
public:
// Callback to create CdmAllocator for the created CDM.
using CreationCB = base::RepeatingCallback<std::unique_ptr<CdmAllocator>()>;
CdmAllocator(const CdmAllocator&) = delete;
CdmAllocator& operator=(const CdmAllocator&) = delete;
virtual ~CdmAllocator();
// Creates a buffer with at least |capacity| bytes. Caller is required to
// call Destroy() on the returned buffer when it is done with it.
virtual cdm::Buffer* CreateCdmBuffer(size_t capacity) = 0;
// Returns a new VideoFrameImpl.
virtual std::unique_ptr<VideoFrameImpl> CreateCdmVideoFrame() = 0;
protected:
CdmAllocator();
};
} // namespace media
#endif // MEDIA_CDM_CDM_ALLOCATOR_H_
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