| // 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_RECEIVER_MESSAGE_H_ |
| #define CAST_STREAMING_RECEIVER_MESSAGE_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "absl/types/variant.h" |
| #include "cast/streaming/answer_messages.h" |
| #include "json/value.h" |
| #include "util/osp_logging.h" |
| |
| namespace openscreen { |
| namespace cast { |
| |
| struct ReceiverWifiStatus { |
| Json::Value ToJson() const; |
| static ErrorOr<ReceiverWifiStatus> Parse(const Json::Value& value); |
| |
| // Current WiFi signal to noise ratio in decibels. |
| double wifi_snr = 0.0; |
| |
| // Min, max, average, and current bandwidth in bps in order of the WiFi link. |
| // Example: [1200, 1300, 1250, 1230]. |
| std::vector<int32_t> wifi_speed; |
| }; |
| |
| struct ReceiverCapability { |
| static constexpr int kRemotingVersionUnknown = -1; |
| |
| Json::Value ToJson() const; |
| static ErrorOr<ReceiverCapability> Parse(const Json::Value& value); |
| |
| // The remoting version that the receiver uses. |
| int remoting_version = kRemotingVersionUnknown; |
| |
| // Set of capabilities (e.g., ac3, 4k, hevc, vp9, dolby_vision, etc.). |
| std::vector<std::string> media_capabilities; |
| }; |
| |
| struct ReceiverError { |
| Json::Value ToJson() const; |
| static ErrorOr<ReceiverError> Parse(const Json::Value& value); |
| |
| // Error code. |
| int32_t code = -1; |
| |
| // Error description. |
| std::string description; |
| }; |
| |
| struct ReceiverMessage { |
| public: |
| // Receiver response message type. |
| enum class Type { |
| // Unknown message type. |
| kUnknown, |
| |
| // Response to OFFER message. |
| kAnswer, |
| |
| // Response to GET_STATUS message. |
| kStatusResponse, |
| |
| // Response to GET_CAPABILITIES message. |
| kCapabilitiesResponse, |
| |
| // Rpc binary messages. The payload is base64-encoded. |
| kRpc, |
| }; |
| |
| static ErrorOr<ReceiverMessage> Parse(const Json::Value& value); |
| ErrorOr<Json::Value> ToJson() const; |
| |
| Type type = Type::kUnknown; |
| |
| int32_t sequence_number = -1; |
| |
| bool valid = false; |
| |
| absl::variant<absl::monostate, |
| Answer, |
| std::string, |
| ReceiverWifiStatus, |
| ReceiverCapability, |
| ReceiverError> |
| body; |
| }; |
| |
| } // namespace cast |
| } // namespace openscreen |
| |
| #endif // CAST_STREAMING_RECEIVER_MESSAGE_H_ |