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## Problem and outcome / 问题与结果 This phase adds lightweight room interaction without making media depend on chat, and adds Windows source-audio exclusion and optional SFU-only hosting at their existing owners. It also corrects confirmed encoder/capture ownership and native color-conversion defects. Host microphone commentary remains on the shared media path; room voice and 4K are outside this phase. ## Release notes ### 中文 这是一次功能更新：Piik 加入了文字聊天与表情互动，并完善了 Windows 声音采集、画面颜色和自部署选项。 #### 新功能 - **边看边聊。** 在可移动、可缩放的聊天窗口中发送消息，或开启弹幕。停止分享后，房间中的朋友仍可继续聊天。 - **表情互动。** 点击沙发上的人物，给自己发表情，或把番茄等表情送给朋友；各端按同一事件显示动画。 - **排除应用声音。** Windows App 分享整个屏幕时，可排除一个应用及其子进程的声音，适合同时使用语音软件。所选应用退出后，来源声音停止，避免恢复为未过滤的系统声音。 - **可选的纯 SFU 模式。** 自部署管理员可让共享画面和声音统一通过媒体服务器转发。默认仍为优先 P2P；App 公网邀请保持纯 P2P。 - **Windows HDR 转 SDR。** 原生采集与缩略图自动将 HDR 来源转换为 SDR，沿用现有观看链路。 #### 修复与改进 - 修复原生颜色转换的范围与矩阵处理，避免已复现的暗部丢失、高光裁切和颜色偏差。 - 修复共享编码器切换时使用过期需求或过期帧信息的问题，保护正在观看的画面；修复换源后旧采集事件可能影响新来源的问题。 - 统一新控件、浮窗与来源选择文案，补充中英文使用说明。 #### 使用与升级 聊天与表情需要新版站点页面和 Server；声音排除需要新版页面与支持此能力的 Windows App。聊天只保留本页最近收到的消息，刷新后清空，不补发历史，且不提供端到端加密。 HDR 转换输出为 SDR，不代表端到端 HDR 或多声道支持。既有房主麦克风与立体声能力保留。 ### English This feature update brings text chat and reactions to Piik, alongside improvements to Windows audio capture, picture colors and self-hosting options. #### New features - **Chat while watching.** Send messages in a movable, resizable window, or enable on-screen chat. Friends can keep chatting after the host stops sharing. - **Reactions.** Select a person on the sofa to react above yourself or send a tomato and other reactions to a friend. Participants animate the same shared event. - **Exclude application audio.** When sharing a whole screen with Windows App, exclude one application and its child processes, useful when using a separate voice app. Source audio stops if the selected app exits, preventing a return to unfiltered system sound. - **Optional SFU-only hosting.** Site operators can require shared video and audio to pass through the media server. P2P-first remains the default; App Public invite remains P2P-only. - **Windows HDR-to-SDR conversion.** Native capture and source thumbnails automatically convert HDR sources to SDR for the existing viewing path. #### Fixes and improvements - Correct native color-conversion ranges and matrices, addressing reproduced crushed shadows, clipped highlights and color shifts. - Correct stale demand and frame evidence during shared-encoder handoffs to protect the current picture. Prevent events from a replaced capture from affecting its successor. - Align new controls, floating panels and source-picker copy, with updated Chinese and English guides. #### Using this update Chat and reactions require updated site pages and Server. Audio exclusion requires updated pages and a Windows App that supports the capability. Chat retains only recent messages received by the current page, clears on refresh and does not replay history. It is not end-to-end encrypted. HDR conversion produces SDR; it does not add end-to-end HDR or surround sound. Existing host microphone commentary and stereo support remain available. ## Verification / 验证 - Web type checks, 78 test files / 1275 tests and production build: PASS. - Go core tests, formatting/vet and target builds: PASS; Darwin cgo remains platform-limited on this Windows runner. - Native build/check/color probes and synthetic HDR-to-SDR H.264/VP8 browser reception: PASS. - Access/privacy gate, Native H.264 SFU-only media gate and local Auto/H.264 Host gate: PASS. - Three real production pages: chat/reactions, stop/resume, idle-room join, host departure/return, offline draft recovery and invitation revocation: PASS. - Synthetic parent/child process-audio exclusion and target lifetime: PASS; no raw audio retained. - Windows candidate archive extraction and packaged Local startup/shutdown: PASS. - Documentation and website build: PASS. - [Candidate CI](https://github.com/TNTcraftHIM/Piik/actions/runs/36873766646) at `f26cd208d03bc0dcbe353f8cac217f993216b0a3`: Go core and race checks, Web tests, Server/container checks and Windows/macOS/Linux App packaging all PASS. Publication was skipped as intended. The owner accepted the UI/model and bounded local walkthrough for phase closure. Physical HDR/mixed displays, mobile keyboard, real voice applications across output devices and macOS/Linux capture remain unverified. Existing field reports without matched evidence are not claimed resolved. The owner authorized v1.7.0 publication on 2026-10-02. The final documentation-only commit records that authorization; product code matches the verified candidate above. ## Impact / 影响 Authorized version: **v1.7.0**, matching the local release planner. Current wire contracts remain Browser/server 23, Native control 9 and capture 7. Optional capabilities gate new functionality; existing room/media authority remains owned by the existing services. No new ports, message persistence, room voice or automatic room creation on page visit. Updated README, guides, standards, research evidence and TODO stay with the candidate phase.
7.6 KiB
Current Status
Last updated: 2026-10-02
This is the compact execution/deployment index. Product modules own behavior, verification status owns unresolved physical limits, and Git/PRs own completed history.
Accepted Release Contract
- Browser/server v23, Native control v9 and capture v7 form the current contract. Versioning owns compatibility between published Web/App/Server versions.
- Hosted Server defaults to SQLite schema 2. Room authority has no inactivity expiry; explicit replacement/deletion or grant rotation/revocation ends the corresponding authority. Explicit memory mode and App Local end rooms at process exit. Site access retains its separate 24-hour idle lifetime within one service run; service restart requires site-password entry again.
- Browser/App entry lifecycle and current-edge reconnect ownership repairs are implemented. Browser node-local pooling and detailed local Debug export remain part of the accepted media surface. Product modules own their behavior; configuration owns Debug activation, report contents and disclosure.
- Shared feedback composition is implemented: generic loading uses the wink mascot, concrete media waits use their owning comic, and waiting captions are secondary to literal status. Website reduced-motion preference and player tooltip placement follow the same presentation owners.
- Camera sharing and Host microphone commentary are accepted product features. Both Browser and native App audio use the existing media routes; device selection and sharing settings keep their current resource owners. The capture assessment owns platform behavior and the remaining physical evidence limits.
Website delivery includes a bilingual reader documentation center generated from the repository's guides alongside the homepage, with search and detailed troubleshooting separate from the homepage FAQ.
Accepted Interaction Phase
The accepted room-interaction design includes the verified media repairs. It adds authenticated text and reactions over existing signaling, with optional local chat overlay and a shared floating panel. Its opted-in room session can outlive a publication; capture, quality and route owners remain unchanged. Optional Windows screen-audio exclusion uses the existing source/mixer boundary. Hosted Server also accepts an optional SFU-only policy through the same route controller. Windows native capture and thumbnails now share automatic HDR-to-SDR conversion; synthetic GPU and Browser reception checks pass, with physical HDR display acceptance still pending in verification status. Room voice is outside the product plan; Host microphone commentary remains. 4K remains deferred. The owner accepted the UI/model and bounded local acceptance and authorized v1.7.0 publication. Physical device limits remain open. Release artifacts and operator deployment records own delivery completion; TODO owns remaining work.
Deployment
Source, package identity, GitHub repository and local worktree paths use Piik.
Runtime code keeps only the Piik wire labels and stored keys.
The immutable release descriptor, runtime REVISION and operator deployment
record own exact identity and postflight results.
The existing deployment uses one Go process for Web, room authority/signaling, Binding-only STUN on UDP 3478/3479/3480 and optional SFU on UDP 7882. nginx owns HTTPS; external LiveKit/coturn services remain disabled. Participants, routes and media remain process-only. This private service is not a public demonstration.
The separate US public demo is deployed with open site entry, persistent room authority and P2P-only media. Cloudflare fronts HTTP/WSS and caches static bundles; STUN uses a separate DNS-only hostname. Caddy owns origin HTTPS, and the standard systemd service runs the published Server package. Public DNS, HTTPS, runtime assets, all three STUN listeners and a bounded browser P2P sharing/stop check passed; the browser check used synthetic video on one network. The operator record owns exact identity and postflight evidence.
TODO owns remaining verification and follow-up work. The owner declared the first
public release on 2026-09-12. Source is public, main protection is active, and
piik.tv runs on GitHub Pages behind Cloudflare with HTTPS. The private service
remains a separate deployment. Release descriptors and GitHub deployment records
identify published artifacts and website revisions.
The matching Server and three App packages are published on GitHub and Gitee; anonymous mirror downloads match the original checksums. Public-repository CI and native packaging passed. App entry, update links and bounded two-build interoperability have acceptance evidence. Accepted product changes publish automatically; standalone website and documentation changes validate and deploy the website without creating App/Server versions. GitHub/Gitee release comparison, mirror publishing and PR-sourced notes follow versioning. Verification status owns the remaining physical limits; shared lessons live in engineering.
Media Evidence And Limits
- Compatible Native consumers share one complete stock WebRTC encoding and adaptation pipeline per local output. Different weak demands stay independent; suitable received media can be forwarded without decoding/re-encoding. Pion/LiveKit retain transport, estimation, pacing and forwarding ownership.
- Windows H264/VP8 have bounded encoding/adaptation evidence. Actual Native relay checks cover compatible sharing, weak-budget separation and rejoining, source retirement and large encoded-frame delivery. These results do not establish a universal encoder count, CPU saving or Browser-equivalent quality.
- Windows Host acceptance covers live and paused settings, quiet-source preparation/restore, source changes and subsequent sharing. The owner confirmed Windows 10 whole-display capture resolved. Specific new game/device failures should be reopened from new evidence.
- Native Host publication through embedded SFU retains video/audio; Browser to App fanout and App-exit fallback have bounded physical checks. Two independent Native sessions have simultaneous media/retirement evidence.
- The Linux runtime container has non-root/read-only, memory/SQLite, diagnostic export, STUN and listener-lifecycle evidence. This does not establish every operator's proxy/firewall or public-media configuration.
- The independent Browser producer in ADR-0014 is integrated. Bounded H264/VP8 checks cover direct and received-track sharing, weak-child isolation/recovery, live/quiet settings, pause, source change and ordinary fallback. Its native allocation and complete-frame output replace the earlier payload-only Worker path. Fewer full encodes are established; total CPU gains depend on codec/hardware. Browser research owns these measurements and failed controls. The owner accepted this scoped Browser composition for release; actual deployment identity stays in the runtime descriptor.
- Slow adaptation recovery, the extreme CPU-overload sampling limit and missing broad device/network/endurance results remain explicit in encoder research and verification status. macOS/Linux physical capture is deferred by the owner; Windows App and Browser are this phase's primary targets.