97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
// 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 {
|
|
|
|
enum class MediaCapability {
|
|
kAudio,
|
|
kAac,
|
|
kOpus,
|
|
kVideo,
|
|
k4k,
|
|
kH264,
|
|
kVp8,
|
|
kVp9,
|
|
kHevc,
|
|
kAv1
|
|
};
|
|
|
|
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<MediaCapability> media_capabilities;
|
|
};
|
|
|
|
struct ReceiverError {
|
|
Json::Value ToJson() const;
|
|
static ErrorOr<ReceiverError> Parse(const Json::Value& value);
|
|
|
|
// Error code.
|
|
// TODO(issuetracker.google.com/184766188): Error codes should be well
|
|
// defined.
|
|
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_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::vector<uint8_t>, // Binary-encoded RPC message.
|
|
ReceiverCapability,
|
|
ReceiverError>
|
|
body;
|
|
};
|
|
|
|
} // namespace cast
|
|
} // namespace openscreen
|
|
|
|
#endif // CAST_STREAMING_RECEIVER_MESSAGE_H_
|