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Implement Cast Streaming mirroring, DLNA casting, daemon+GUI, and breadd integration
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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.
This commit is contained in:
Breadway 2026-08-03 09:07:21 +08:00
parent 887c29002f
commit 8c745d18e0
283 changed files with 36788 additions and 0 deletions
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59
breadcast-caststream-sys/vendor/openscreen/cast/streaming/message_fields.h vendored Normal file
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// Copyright 2020 The Chromium Authors
// 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 <string_view>
#include "cast/streaming/public/constants.h"
#include "platform/base/error.h"
namespace openscreen::cast {
/// NOTE: Constants here are all taken from the Cast V2: Mirroring Control
/// Protocol specification.
// Namespace for OFFER/ANSWER messages.
inline constexpr char kCastWebrtcNamespace[] =
"urn:x-cast:com.google.cast.webrtc";
inline constexpr char kCastRemotingNamespace[] =
"urn:x-cast:com.google.cast.remoting";
// JSON message field values specific to the Sender Session.
inline constexpr char kMessageType[] = "type";
// List of OFFER message fields.
inline constexpr char kMessageTypeOffer[] = "OFFER";
inline constexpr char kOfferMessageBody[] = "offer";
inline constexpr char kSequenceNumber[] = "seqNum";
inline constexpr char kCodecName[] = "codecName";
/// ANSWER message fields.
inline constexpr char kMessageTypeAnswer[] = "ANSWER";
inline constexpr char kAnswerMessageBody[] = "answer";
inline constexpr char kResult[] = "result";
inline constexpr char kResultOk[] = "ok";
inline constexpr char kResultError[] = "error";
inline constexpr char kErrorMessageBody[] = "error";
inline constexpr char kErrorCode[] = "code";
inline constexpr char kErrorDescription[] = "description";
// Other message fields.
inline constexpr char kRpcMessageBody[] = "rpc";
inline constexpr char kInputMessageBody[] = "input";
inline constexpr char kCapabilitiesMessageBody[] = "capabilities";
inline constexpr char kStatusMessageBody[] = "status";
// Conversion methods for codec message fields.
const char* CodecToString(AudioCodec codec);
ErrorOr<AudioCodec> StringToAudioCodec(std::string_view name);
const char* CodecToString(VideoCodec codec);
ErrorOr<VideoCodec> StringToVideoCodec(std::string_view name);
} // namespace openscreen::cast
#endif // CAST_STREAMING_MESSAGE_FIELDS_H_