61 lines
2.4 KiB
C++
61 lines
2.4 KiB
C++
/*
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* Copyright 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef PC_SDP_SERIALIZER_H_
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#define PC_SDP_SERIALIZER_H_
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#include <string>
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#include "absl/strings/string_view.h"
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#include "api/rtc_error.h"
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#include "media/base/rid_description.h"
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#include "pc/session_description.h"
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namespace webrtc {
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// This class should serialize components of the SDP (and not the SDP itself).
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// Example:
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// SimulcastDescription can be serialized and deserialized by this class.
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// The serializer will know how to translate the data to spec-compliant
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// format without knowing about the SDP attribute details (a=simulcast:)
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// Usage:
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// Consider the SDP attribute for simulcast a=simulcast:<configuration>.
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// The SDP serializtion code (webrtcsdp.h) should use |SdpSerializer| to
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// serialize and deserialize the <configuration> section.
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// This class will allow testing the serialization of components without
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// having to serialize the entire SDP while hiding implementation details
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// from callers of sdp serialization (webrtcsdp.h).
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class SdpSerializer {
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public:
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// Serialization for the Simulcast description according to
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// https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-13#section-5.1
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std::string SerializeSimulcastDescription(
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const cricket::SimulcastDescription& simulcast) const;
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// Deserialization for the SimulcastDescription according to
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// https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-13#section-5.1
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RTCErrorOr<cricket::SimulcastDescription> DeserializeSimulcastDescription(
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absl::string_view string) const;
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// Serialization for the RID description according to
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// https://tools.ietf.org/html/draft-ietf-mmusic-rid-15#section-10
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std::string SerializeRidDescription(
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const cricket::RidDescription& rid_description) const;
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// Deserialization for the RidDescription according to
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// https://tools.ietf.org/html/draft-ietf-mmusic-rid-15#section-10
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RTCErrorOr<cricket::RidDescription> DeserializeRidDescription(
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absl::string_view string) const;
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};
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} // namespace webrtc
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#endif // PC_SDP_SERIALIZER_H_
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