59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
// Copyright 2020 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CAST_STREAMING_MESSAGE_FIELDS_H_
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#define CAST_STREAMING_MESSAGE_FIELDS_H_
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#include <string>
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#include "absl/strings/string_view.h"
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#include "cast/streaming/constants.h"
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#include "platform/base/error.h"
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namespace openscreen {
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namespace cast {
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/// NOTE: Constants here are all taken from the Cast V2: Mirroring Control
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/// Protocol specification.
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// Namespace for OFFER/ANSWER messages.
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constexpr char kCastWebrtcNamespace[] = "urn:x-cast:com.google.cast.webrtc";
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constexpr char kCastRemotingNamespace[] = "urn:x-cast:com.google.cast.remoting";
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// JSON message field values specific to the Sender Session.
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constexpr char kMessageType[] = "type";
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// List of OFFER message fields.
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constexpr char kMessageTypeOffer[] = "OFFER";
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constexpr char kOfferMessageBody[] = "offer";
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constexpr char kSequenceNumber[] = "seqNum";
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constexpr char kCodecName[] = "codecName";
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/// ANSWER message fields.
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constexpr char kMessageTypeAnswer[] = "ANSWER";
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constexpr char kAnswerMessageBody[] = "answer";
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constexpr char kResult[] = "result";
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constexpr char kResultOk[] = "ok";
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constexpr char kResultError[] = "error";
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constexpr char kErrorMessageBody[] = "error";
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constexpr char kErrorCode[] = "code";
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constexpr char kErrorDescription[] = "description";
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// Other message fields.
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constexpr char kRpcMessageBody[] = "rpc";
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constexpr char kCapabilitiesMessageBody[] = "capabilities";
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constexpr char kStatusMessageBody[] = "status";
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// Conversion methods for codec message fields.
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const char* CodecToString(AudioCodec codec);
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ErrorOr<AudioCodec> StringToAudioCodec(absl::string_view name);
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const char* CodecToString(VideoCodec codec);
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ErrorOr<VideoCodec> StringToVideoCodec(absl::string_view name);
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} // namespace cast
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} // namespace openscreen
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#endif // CAST_STREAMING_MESSAGE_FIELDS_H_
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