/* * 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_SIMULCAST_SDP_SERIALIZER_H_ #define PC_SIMULCAST_SDP_SERIALIZER_H_ #include #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 serializes simulcast components of the SDP. // 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:. // The SDP serializtion code (webrtc_sdp.h) should use `SdpSerializer` to // serialize and deserialize the 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 (webrtc_sdp.h). class SimulcastSdpSerializer { 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 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 DeserializeRidDescription( absl::string_view string) const; }; } // namespace webrtc #endif // PC_SIMULCAST_SDP_SERIALIZER_H_