/*
 *  Copyright (c) 2017 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 CALL_RTP_CONFIG_H_
#define CALL_RTP_CONFIG_H_

#include <string>

namespace webrtc {
// Settings for NACK, see RFC 4585 for details.
struct NackConfig {
  NackConfig() : rtp_history_ms(0) {}
  std::string ToString() const;
  // Send side: the time RTP packets are stored for retransmissions.
  // Receive side: the time the receiver is prepared to wait for
  // retransmissions.
  // Set to '0' to disable.
  int rtp_history_ms;
};

// Settings for ULPFEC forward error correction.
// Set the payload types to '-1' to disable.
struct UlpfecConfig {
  UlpfecConfig()
      : ulpfec_payload_type(-1),
        red_payload_type(-1),
        red_rtx_payload_type(-1) {}
  std::string ToString() const;
  bool operator==(const UlpfecConfig& other) const;

  // Payload type used for ULPFEC packets.
  int ulpfec_payload_type;

  // Payload type used for RED packets.
  int red_payload_type;

  // RTX payload type for RED payload.
  int red_rtx_payload_type;
};
}  // namespace webrtc
#endif  // CALL_RTP_CONFIG_H_