id3_tag.h

// Copyright 2018 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
 
#ifndef PACKAGER_MEDIA_BASE_ID3_TAG_H_
#define PACKAGER_MEDIA_BASE_ID3_TAG_H_
 
#include <cstdint>
#include <string>
#include <vector>
 
namespace shaka {
namespace media {
 
class BufferWriter;
 
class Id3Tag {
 public:
  Id3Tag() = default;
  virtual ~Id3Tag() = default;
 
  // This function is made virtual for testing.
  virtual void AddPrivateFrame(const std::string& owner,
                               const std::string& data);
 
  // This function is made virtual for testing.
  virtual bool WriteToBuffer(BufferWriter* buffer_writer);
 
  // This function is made virtual for testing.
  virtual bool WriteToVector(std::vector<uint8_t>* output);
 
 private:
  Id3Tag(const Id3Tag&) = delete;
  Id3Tag& operator=(const Id3Tag&) = delete;
 
  struct PrivateFrame {
    std::string owner;
    std::string data;
  };
 
  bool WritePrivateFrame(const PrivateFrame& private_frame,
                         BufferWriter* buffer_writer);
 
  std::vector<PrivateFrame> private_frames_;
};
 
}  // namespace media
}  // namespace shaka
 
#endif  // PACKAGER_MEDIA_BASE_ID3_TAG_H_