chromium/media/muxers/mp4_box_writer.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_MUXERS_MP4_BOX_WRITER_H_
#define MEDIA_MUXERS_MP4_BOX_WRITER_H_

#include <memory>
#include <optional>
#include <vector>

#include "base/memory/raw_ptr_exclusion.h"
#include "base/memory/raw_ref.h"
#include "base/sequence_checker.h"
#include "media/base/media_export.h"
#include "media/formats/mp4/fourccs.h"

namespace media {

class BoxByteStream;
class Mp4MuxerContext;

#define DECLARE_MP4_BOX_WRITER_CLASS_NO_DATA(class_name) …

#define DECLARE_MP4_BOX_WRITER_CLASS(class_name, box_type) …

// The Mp4BoxWriter is parent class for all box writers.
// Every box writers must derive from Mp4BoxWriter.
// The Mp4BoxWriter has container for the children boxes and the derived box
// should add the children in its ctor, not any other places for better
// maintenance of the code.
class MEDIA_EXPORT Mp4BoxWriter { … };

}  // namespace media

#endif  // MEDIA_MUXERS_MP4_BOX_WRITER_H_