1*3f982cf4SFabien Sanglard // Copyright 2020 The Chromium Authors. All rights reserved. 2*3f982cf4SFabien Sanglard // Use of this source code is governed by a BSD-style license that can be 3*3f982cf4SFabien Sanglard // found in the LICENSE file. 4*3f982cf4SFabien Sanglard 5*3f982cf4SFabien Sanglard #ifndef CAST_STREAMING_MESSAGE_FIELDS_H_ 6*3f982cf4SFabien Sanglard #define CAST_STREAMING_MESSAGE_FIELDS_H_ 7*3f982cf4SFabien Sanglard 8*3f982cf4SFabien Sanglard #include <string> 9*3f982cf4SFabien Sanglard 10*3f982cf4SFabien Sanglard #include "absl/strings/string_view.h" 11*3f982cf4SFabien Sanglard #include "cast/streaming/constants.h" 12*3f982cf4SFabien Sanglard #include "platform/base/error.h" 13*3f982cf4SFabien Sanglard 14*3f982cf4SFabien Sanglard namespace openscreen { 15*3f982cf4SFabien Sanglard namespace cast { 16*3f982cf4SFabien Sanglard 17*3f982cf4SFabien Sanglard /// NOTE: Constants here are all taken from the Cast V2: Mirroring Control 18*3f982cf4SFabien Sanglard /// Protocol specification. 19*3f982cf4SFabien Sanglard 20*3f982cf4SFabien Sanglard // Namespace for OFFER/ANSWER messages. 21*3f982cf4SFabien Sanglard constexpr char kCastWebrtcNamespace[] = "urn:x-cast:com.google.cast.webrtc"; 22*3f982cf4SFabien Sanglard constexpr char kCastRemotingNamespace[] = "urn:x-cast:com.google.cast.remoting"; 23*3f982cf4SFabien Sanglard 24*3f982cf4SFabien Sanglard // JSON message field values specific to the Sender Session. 25*3f982cf4SFabien Sanglard constexpr char kMessageType[] = "type"; 26*3f982cf4SFabien Sanglard 27*3f982cf4SFabien Sanglard // List of OFFER message fields. 28*3f982cf4SFabien Sanglard constexpr char kMessageTypeOffer[] = "OFFER"; 29*3f982cf4SFabien Sanglard constexpr char kOfferMessageBody[] = "offer"; 30*3f982cf4SFabien Sanglard constexpr char kSequenceNumber[] = "seqNum"; 31*3f982cf4SFabien Sanglard constexpr char kCodecName[] = "codecName"; 32*3f982cf4SFabien Sanglard 33*3f982cf4SFabien Sanglard /// ANSWER message fields. 34*3f982cf4SFabien Sanglard constexpr char kMessageTypeAnswer[] = "ANSWER"; 35*3f982cf4SFabien Sanglard constexpr char kAnswerMessageBody[] = "answer"; 36*3f982cf4SFabien Sanglard constexpr char kResult[] = "result"; 37*3f982cf4SFabien Sanglard constexpr char kResultOk[] = "ok"; 38*3f982cf4SFabien Sanglard constexpr char kResultError[] = "error"; 39*3f982cf4SFabien Sanglard constexpr char kErrorMessageBody[] = "error"; 40*3f982cf4SFabien Sanglard constexpr char kErrorCode[] = "code"; 41*3f982cf4SFabien Sanglard constexpr char kErrorDescription[] = "description"; 42*3f982cf4SFabien Sanglard 43*3f982cf4SFabien Sanglard // Other message fields. 44*3f982cf4SFabien Sanglard constexpr char kRpcMessageBody[] = "rpc"; 45*3f982cf4SFabien Sanglard constexpr char kCapabilitiesMessageBody[] = "capabilities"; 46*3f982cf4SFabien Sanglard constexpr char kStatusMessageBody[] = "status"; 47*3f982cf4SFabien Sanglard 48*3f982cf4SFabien Sanglard // Conversion methods for codec message fields. 49*3f982cf4SFabien Sanglard const char* CodecToString(AudioCodec codec); 50*3f982cf4SFabien Sanglard ErrorOr<AudioCodec> StringToAudioCodec(absl::string_view name); 51*3f982cf4SFabien Sanglard 52*3f982cf4SFabien Sanglard const char* CodecToString(VideoCodec codec); 53*3f982cf4SFabien Sanglard ErrorOr<VideoCodec> StringToVideoCodec(absl::string_view name); 54*3f982cf4SFabien Sanglard 55*3f982cf4SFabien Sanglard } // namespace cast 56*3f982cf4SFabien Sanglard } // namespace openscreen 57*3f982cf4SFabien Sanglard 58*3f982cf4SFabien Sanglard #endif // CAST_STREAMING_MESSAGE_FIELDS_H_ 59