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/*
* Copyright 2018 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 PC_SDP_SERIALIZER_H_
#define PC_SDP_SERIALIZER_H_
#include <string>
#include "absl/strings/string_view.h"
#include "api/rtc_error.h"
#include "media/base/rid_description.h"
#include "pc/session_description.h"
#include "pc/simulcast_description.h"
namespace webrtc {
// This class should serialize components of the SDP (and not the SDP itself).
// Example:
// SimulcastDescription can be serialized and deserialized by this class.
// The serializer will know how to translate the data to spec-compliant
// format without knowing about the SDP attribute details (a=simulcast:)
// Usage:
// Consider the SDP attribute for simulcast a=simulcast:<configuration>.
// The SDP serializtion code (webrtcsdp.h) should use `SdpSerializer` to
// serialize and deserialize the <configuration> section.
// This class will allow testing the serialization of components without
// having to serialize the entire SDP while hiding implementation details
// from callers of sdp serialization (webrtcsdp.h).
class SdpSerializer {
public:
// Serialization for the Simulcast description according to
// https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-13#section-5.1
std::string SerializeSimulcastDescription(
const cricket::SimulcastDescription& simulcast) const;
// Deserialization for the SimulcastDescription according to
// https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-13#section-5.1
RTCErrorOr<cricket::SimulcastDescription> DeserializeSimulcastDescription(
absl::string_view string) const;
// Serialization for the RID description according to
// https://tools.ietf.org/html/draft-ietf-mmusic-rid-15#section-10
std::string SerializeRidDescription(
const cricket::RidDescription& rid_description) const;
// Deserialization for the RidDescription according to
// https://tools.ietf.org/html/draft-ietf-mmusic-rid-15#section-10
RTCErrorOr<cricket::RidDescription> DeserializeRidDescription(
absl::string_view string) const;
};
} // namespace webrtc
#endif // PC_SDP_SERIALIZER_H_
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