chromium/third_party/webrtc/modules/rtp_rtcp/source/forward_error_correction.h

/*
 *  Copyright (c) 2012 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_FORWARD_ERROR_CORRECTION_H_
#define MODULES_RTP_RTCP_SOURCE_FORWARD_ERROR_CORRECTION_H_

#include <stddef.h>
#include <stdint.h>

#include <list>
#include <memory>
#include <vector>

#include "absl/container/inlined_vector.h"
#include "api/scoped_refptr.h"
#include "api/units/timestamp.h"
#include "modules/include/module_fec_types.h"
#include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "modules/rtp_rtcp/source/forward_error_correction_internal.h"
#include "rtc_base/copy_on_write_buffer.h"

namespace webrtc {

class FecHeaderReader;
class FecHeaderWriter;

// Performs codec-independent forward error correction (FEC), based on RFC 5109.
// Option exists to enable unequal protection (UEP) across packets.
// This is not to be confused with protection within packets
// (referred to as uneven level protection (ULP) in RFC 5109).
// TODO(brandtr): Split this class into a separate encoder
// and a separate decoder.
class ForwardErrorCorrection { … };

// Classes derived from FecHeader{Reader,Writer} encapsulate the
// specifics of reading and writing FEC header for, e.g., ULPFEC
// and FlexFEC.
class FecHeaderReader { … };

class FecHeaderWriter { … };

}  // namespace webrtc

#endif  // MODULES_RTP_RTCP_SOURCE_FORWARD_ERROR_CORRECTION_H_