box.h

// Copyright 2014 Google Inc. 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 MEDIA_FORMATS_MP4_BOX_H_
#define MEDIA_FORMATS_MP4_BOX_H_

#include <stdint.h>

#include "packager/base/compiler_specific.h"
#include "packager/media/formats/mp4/fourccs.h"

namespace edash_packager {
namespace media {

class BufferWriter;

namespace mp4 {

class BoxBuffer;
class BoxReader;

struct Box {
 public:
  Box();
  virtual ~Box();
  bool Parse(BoxReader* reader);
  void Write(BufferWriter* writer);
  virtual uint32_t ComputeSize() = 0;
  virtual FourCC BoxType() const = 0;

 protected:
  friend class BoxBuffer;
  virtual bool ReadWrite(BoxBuffer* buffer);

  uint32_t atom_size;
};

struct FullBox : Box {
 public:
  FullBox();
  ~FullBox() override;

  uint8_t version;
  uint32_t flags;

 protected:
  bool ReadWrite(BoxBuffer* buffer) override;
};

}  // namespace mp4
}  // namespace media
}  // namespace edash_packager

#endif  // MEDIA_FORMATS_MP4_BOX_H_