/*
 *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef MODULES_RTP_RTCP_SOURCE_VIDEO_RTP_DEPACKETIZER_H_
#define MODULES_RTP_RTCP_SOURCE_VIDEO_RTP_DEPACKETIZER_H_

#include <stdint.h>

#include <optional>
#include <span>

#include "api/scoped_refptr.h"
#include "api/video/encoded_image.h"
#include "modules/rtp_rtcp/source/rtp_video_header.h"
#include "rtc_base/copy_on_write_buffer.h"

namespace webrtc {

class VideoRtpDepacketizer {
 public:
  struct ParsedRtpPayload {
    RTPVideoHeader video_header;
    CopyOnWriteBuffer video_payload;
  };

  virtual ~VideoRtpDepacketizer() = default;
  virtual std::optional<ParsedRtpPayload> Parse(
      CopyOnWriteBuffer rtp_payload) = 0;
  virtual scoped_refptr<EncodedImageBuffer> AssembleFrame(
      std::span<const std::span<const uint8_t>> rtp_payloads);
};

}  // namespace webrtc

#endif  // MODULES_RTP_RTCP_SOURCE_VIDEO_RTP_DEPACKETIZER_H_