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