starboard/shared/win32/wrm_header.h

// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef STARBOARD_SHARED_WIN32_WRM_HEADER_H_
#define STARBOARD_SHARED_WIN32_WRM_HEADER_H_

#include <objidl.h>
#include <wrl.h>
#include <wrl/client.h>

#include <string>
#include <vector>

#include "starboard/common/log.h"
#include "starboard/types.h"

namespace starboard {
namespace shared {
namespace win32 {

class WrmHeader {
 public:
  WrmHeader(const void* initialization_data, int initialization_data_size);

  static GUID kInvalidKeyId;

  bool is_valid() const {
    return key_id_ != kInvalidKeyId && !wrm_header_.empty();
  }
  const GUID& key_id() const {
    SB_DCHECK(is_valid());
    return key_id_;
  }
  Microsoft::WRL::ComPtr<IStream> content_header() const;
  const std::vector<uint8_t>& wrm_header() const { return wrm_header_; }

 private:
  GUID key_id_;
  std::vector<uint8_t> wrm_header_;
};

}  // namespace win32
}  // namespace shared
}  // namespace starboard

#endif  // STARBOARD_SHARED_WIN32_WRM_HEADER_H_