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Builds out the full v1 scope: a vendored+patched openscreen subset for low-latency Cast Streaming (Mirroring receiver 0F5096E8) alongside the existing Cast V2/HLS and new DLNA/AVTransport casting paths, breadcastd's Idle/Casting state machine with a private IPC socket, the breadcast GTK4 popup as a thin IPC client, and bread.cast.*/bread.command.cast.* breadd integration (device discovery, start/stop, mirroring lifecycle events). Also adds bakery/systemd/Forgejo CI packaging. Validated end-to-end against a real Chromecast/Google TV: negotiated Cast Streaming session, live pipeline playback, and daemon+GUI click-to-cast/ stop through the actual popup.
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// Copyright 2019 The Chromium Authors
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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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#include "util/json/json_serialization.h"
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#include <memory>
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#include <sstream>
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#include <string>
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#include <utility>
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#include "json/reader.h"
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#include "json/writer.h"
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#include "platform/base/error.h"
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#include "util/osp_logging.h"
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namespace openscreen::json {
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ErrorOr<Json::Value> Parse(std::string_view document) {
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Json::CharReaderBuilder builder;
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Json::CharReaderBuilder::strictMode(&builder.settings_);
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if (document.empty()) {
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return ErrorOr<Json::Value>(Error::Code::kJsonParseError, "empty document");
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}
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Json::Value root_node;
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std::string error_msg;
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std::unique_ptr<Json::CharReader> reader(builder.newCharReader());
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const bool succeeded = reader->parse(&*document.begin(), &*document.end(),
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&root_node, &error_msg);
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if (!succeeded) {
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return ErrorOr<Json::Value>(Error::Code::kJsonParseError, error_msg);
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}
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return root_node;
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}
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ErrorOr<std::string> Stringify(const Json::Value& value) {
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Json::StreamWriterBuilder factory;
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#ifndef _DEBUG
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// Default is to "pretty print" the output JSON in a human readable
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// format. On non-debug builds, we can remove pretty printing by simply
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// getting rid of all indentation.
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factory["indentation"] = "";
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#endif
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std::unique_ptr<Json::StreamWriter> const writer(factory.newStreamWriter());
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std::ostringstream stream;
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writer->write(value, &stream);
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if (!stream) {
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// Note: jsoncpp doesn't give us more information about what actually
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// went wrong, just says to "check the stream". However, failures on
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// the stream should be rare, as we do not throw any errors in the jsoncpp
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// library.
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return ErrorOr<std::string>(Error::Code::kJsonWriteError, "Invalid stream");
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}
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return stream.str();
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}
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} // namespace openscreen::json
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