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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 "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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