R06.12.01.01 · 任务小类

直播与录制场景搭建

Streaming & recording scene composition

Build scenes, sources, audio and outputs for a stream or recording.

20 条本项目编写的提案 · 分类 v1.1 · 新增基准运行 0 次。下方验证方式与部分得分规则是设计，不是执行结果。

典型应用: OBS Studio · Streamlabs · vMix
小类 GUI 需求标签: HY · 混合

任务提案 · 20

展开查看完整原文与建议检查方式；两种界面均保留提案英文原文。

R06.12.01.01-T01 Build Starting Soon, Live and BRB scenes to a layout spec

原始指令

In OBS Studio create scene collection 'Weekly Stream' at 1920x1080 with scenes Starting Soon (image bg/starting.png + countdown text), Live (Display Capture full frame, webcam 'Cam' 480x270 at bottom-right with 24 px margin, overlay/frame.png on top) and BRB (bg/brb.png + muted mic). Set the default transition to Fade 300 ms.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: CL · CLI 足够
交互原语: drag · 拖放 geom · 精确几何 click · 指向与点击
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 3 / 5

建议验证方式

Parse basic/scenes/Weekly_Stream.json: 3 scenes with listed sources and z-order; Cam bounds 480x270 at (1416,786)±2 px; frame.png topmost; BRB mic muted; transition Fade 300 ms. Comparison with control pair T17 output.

建议部分得分

25% scenes and sources; 35% Cam geometry; 20% z-order and mute; 20% transition

R06.12.01.01-T02 Configure multitrack 1080p60 recording and remux to MP4

原始指令

In OBS Studio (Advanced output mode) set recording to MKV, 1920x1080 at 60 fps, hardware or x264 encoder at 12 Mbps CBR, keyframe 2 s, with audio tracks 1 = mix, 2 = Mic only, 3 = Desktop only. Record 10 s of scene Live, then remux it to recordings/test_rec.mp4.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: click · 指向与点击 type · 文字与表单
工作产物: WP05 · 时序媒体
条件: 未声明
提案难度: 3 / 5

建议验证方式

ffprobe test_rec.mp4: 1920x1080, 60 fps, video bitrate 12 Mbps ±10%, GOP 120, 3 audio streams. Track 2 correlates with mic test tone only, track 3 with desktop tone only. profile basic.ini fields match.

建议部分得分

25% video settings; 35% three tracks routed correctly; 20% recording exists; 20% remuxed MP4

R06.12.01.01-T03 Build a broadcast mic filter chain to loudness spec

原始指令

In OBS Studio, on audio source 'Mic' (fed by a looping test voice file through a virtual device), add filters in order: Noise Suppression (RNNoise), Compressor (4:1, threshold -18 dB, attack 6 ms, release 60 ms), Gain, Limiter (-1 dB). Tune Gain so a 30 s recording of Mic alone integrates to -16 LUFS ±1. Save recordings/mic_check.wav.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: AP · API 足够
交互原语: click · 指向与点击 av · 音视频时序
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 3 / 5

建议验证方式

Scene JSON filter list order and params exact. mic_check.wav: integrated loudness -16±1 LUFS, true peak ≤ -1 dBTP, noise floor in silent gaps ≤ -60 dBFS (noise suppression active).

建议部分得分

30% filter order; 20% compressor params; 35% loudness target; 15% peak and noise floor

R06.12.01.01-T04 Key out a green screen webcam cleanly

原始指令

In OBS Studio the source 'GreenCam' plays fixtures/greenscreen_take.mp4 (person on uneven green). Add Crop/Pad and Chroma Key filters and tune similarity, smoothness and spill reduction so the person is cleanly keyed over bg/office.png, with no green halo and hair kept. Record 10 s to recordings/key_test.mkv.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: G2 · GUI 必要
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: vis · 视觉判断 click · 指向与点击 drag · 拖放
工作产物: WP05 · 时序媒体
条件: 未声明
提案难度: 3 / 5

建议验证方式

Compare recording with GT alpha mattes for sampled frames: foreground IoU ≥0.95; residual green pixels (hue band) in composited background ≤0.3%; spill: mean g-(r+b)/2 in edge band ≤ threshold. Filter params exist in scene JSON. obs-websocket is disabled, no Lua/Python scripts may be loaded (Tools > Scripts list checked), and scene JSON writes by other processes are caught by a file-write audit.

建议部分得分

45% key IoU; 25% no residual green; 20% spill suppressed; 10% recording

R06.12.01.01-T05 Stream to a local RTMP test server with platform-compliant settings

原始指令

In OBS Studio configure a Custom stream server rtmp://127.0.0.1/live with key test_key, 1920x1080 at 30 fps, CBR 6000 kbps, keyframe interval 2 s, AAC 160 kbps 48 kHz. Go live with scene Live for 60 s, then stop.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: AP · API 足够
交互原语: click · 指向与点击 type · 文字与表单
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 3 / 5

建议验证方式

Local nginx-rtmp records the ingest: ffprobe shows 1920x1080, 30 fps, video bitrate 6000 kbps ±10%, keyframe spacing 2.0 s, AAC 160 kbps 48 kHz; stream duration 60±5 s; service.json has the server and key.

建议部分得分

20% server config; 40% encoder settings verified at ingest; 25% audio; 15% duration

R06.12.01.01-T06 Reuse an overlay via nested scenes and add scene hotkeys

原始指令

In OBS Studio create scene 'Overlay' (alerts area, ticker text, logo) and nest it as a source in scenes Gameplay, Just Chatting and Desktop at identical position. Bind hotkeys Ctrl+Alt+1/2/3 to switch to those scenes and Ctrl+Alt+M to toggle Mic mute.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: drag · 拖放 key · 快捷键 click · 指向与点击
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 3 / 5

建议验证方式

Scene JSON: Overlay referenced as scene source in 3 scenes with identical transform; hotkey bindings in the collection/profile match. Synthetic key events via OS automation switch program scene (obs-websocket read-only observer).

建议部分得分

40% nested overlay in 3 scenes; 20% identical transforms; 40% hotkeys work

R06.12.01.01-T07 Duck music under the mic with a sidechain compressor

原始指令

In OBS Studio add a Compressor filter on source 'Music' with sidechain source 'Mic' so music drops about 12 dB while the host speaks and recovers within 500 ms after. Record 40 s of the provided test feed (voice with pauses) on a single mix track to recordings/duck_test.wav.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: click · 指向与点击 av · 音视频时序
工作产物: WP05 · 时序媒体
条件: 未声明
提案难度: 4 / 5

建议验证方式

Separate stems are known: estimate music gain per 50 ms window by projecting the mix onto the music reference. During speech gain reduction 12±3 dB; within 500 ms of speech end recovers to ≥-2 dB; no ducking during silence.

建议部分得分

25% sidechain configured; 40% ducking depth; 25% recovery time; 10% recording

R06.12.01.01-T08 Enable a 30-second replay buffer with a save hotkey

原始指令

In OBS Studio enable Replay Buffer with maximum time 30 s and memory 512 MB, set file name format Replay %CCYY-%MM-%DD %hh-%mm-%ss in recordings/replays/, bind Save Replay to F9, start the buffer, wait 40 s and save one replay.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: click · 指向与点击 key · 快捷键
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 2 / 5

建议验证方式

Profile basic.ini replay settings exact; hotkey binding present. One file in recordings/replays/ matching the name pattern with duration 30±1 s.

建议部分得分

40% replay settings; 20% hotkey; 40% replay file correct

R06.12.01.01-T09 Set up alerts and chat widgets in Streamlabs Desktop

原始指令

In Streamlabs Desktop (sandbox account) add scene 'Stream' with game capture, an Alert Box widget positioned top-centre (800x300) with follower alerts using sound alerts/ding.mp3 at 40% volume and 5 s duration, and a Chat Box widget 400x700 at the right edge with font size 18. Trigger a test follower alert.

平台: mac · macOS win · Windows
应用: Streamlabs Desktop
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: drag · 拖放 click · 指向与点击 type · 文字与表单
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 3 / 5

建议验证方式

Scene collection JSON: widget sources with transforms ±2 px. Streamlabs sandbox widget settings via test API: follower alert sound, volume 40, duration 5. Test alert event logged; frame capture shows alert rendered in top-centre box.

建议部分得分

30% widget placement; 40% alert settings; 15% chat box style; 15% test alert renders

R06.12.01.01-T10 Build a vMix preset with four NDI cameras, a title and multiview

原始指令

In vMix add four NDI inputs (test sources CAM1–CAM4), a GT Title using template LowerThird.gtzip with Name 'Dr. Sample' and Role 'Guest', set multiview to show CAM1–4 and the title, and set CAM1 as Program and CAM2 as Preview. Save the preset as presets/panel.vmix.

平台: win · Windows
应用: vMix
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G3 · 仅 GUI
交互原语: click · 指向与点击 type · 文字与表单 drag · 拖放
工作产物: WP08 · 应用 / 系统状态
条件: licensed · 授权专业软件
提案难度: 3 / 5

建议验证方式

Parse panel.vmix XML: 4 NDI inputs with source names, title input with field values exact, multiview overlay assignments, active=CAM1 and preview=CAM2. vMix HTTP API XML state equals preset after reload.

建议部分得分

35% NDI inputs; 25% title fields; 20% multiview; 20% program/preview

R06.12.01.01-T11 Add a vertical 9:16 canvas for simultaneous short-form output

原始指令

In OBS Studio with the Aitum Vertical plugin installed, configure a 1080x1920 vertical canvas with scene 'V-Live': webcam top half (1080x810 crop of Cam), gameplay crop bottom half, captions text bottom. Set vertical recording to recordings/vertical/ and record 15 s alongside the normal 1920x1080 recording.

平台: mac · macOS win · Windows
应用: OBS Studio · Aitum Vertical
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: G2 · GUI 必要
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: drag · 拖放 geom · 精确几何 vis · 视觉判断
工作产物: WP05 · 时序媒体
条件: 未声明
提案难度: 4 / 5

建议验证方式

Two recordings with overlapping timestamps: 1920x1080 and 1080x1920. Vertical frames: webcam region top 810 px matches Cam crop (SSIM ≥0.9 vs reference frame), gameplay crop bottom region matches; plugin config JSON has V-Live scene. obs-websocket is disabled, no Lua/Python scripts may be loaded (Tools > Scripts list checked), and config writes by other processes are caught by a file-write audit.

建议部分得分

25% vertical canvas config; 40% layout correct in frames; 20% both recordings; 15% captions source

R06.12.01.01-T12 Add a local HTML overlay as a browser source

原始指令

In OBS Studio add a Browser source 'Ticker' to scene Live using local file overlay/ticker.html at 1920x80, positioned at the bottom edge, with custom CSS 'body{background:rgba(0,0,0,0)}' and 'Shutdown source when not visible' enabled. Refresh cache once.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: CL · CLI 足够
交互原语: click · 指向与点击 type · 文字与表单 drag · 拖放
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 2 / 5

建议验证方式

Scene JSON: browser_source with is_local_file true, path, width 1920, height 80, css string, shutdown true; transform y=1000±1. Program screenshot via websocket shows ticker text at bottom with transparent background.

建议部分得分

40% source settings; 30% position; 30% renders transparent

R06.12.01.01-T13 Record a tutorial that captures only one app window

原始指令

In OBS Studio create scene 'Tutorial' that captures only the Calculator window (window capture, cursor on) scaled to fit 1280x720 canvas, with a mic source. Record 20 s while performing 12 × 34 = in Calculator. No other window, notification or desktop may appear in the recording. Save recordings/calc_tutorial.mp4.

平台: mac · macOS win · Windows
应用: OBS Studio · Calculator
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: G2 · GUI 必要
GUI 需求 · 普通权限: G3 · 仅 GUI
交互原语: click · 指向与点击 vis · 视觉判断 multi · 跨应用
工作产物: WP05 · 时序媒体
条件: multiapp · 多应用 interrupt · 中断
提案难度: 3 / 5

建议验证方式

Recording 1280x720, 18–25 s; OCR shows '408' in Calculator display by the end; per-frame check: no wallpaper template or test notification (fired mid-task) pixels visible; scene JSON uses window capture, not display capture. obs-websocket is disabled, no Lua/Python scripts may be loaded, the agent has no terminal or ffmpeg, and scene JSON writes by other processes are caught by an audit log.

建议部分得分

30% window-only capture; 25% canvas and duration; 25% action recorded; 20% no leak of notification

R06.12.01.01-T14 Measure and correct webcam audio-video offset

原始指令

In OBS Studio the webcam 'Cam' (test feed: clapper video) arrives later than the 'Mic' audio. Record a clap test, measure the offset, set Sync Offset on Mic (or a Render Delay on Cam) to fix it, and record recordings/sync_after.mkv showing ≤10 ms residual offset.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: av · 音视频时序 vis · 视觉判断 click · 指向与点击
工作产物: WP05 · 时序媒体
条件: 未声明
提案难度: 4 / 5

建议验证方式

Hidden injected delay is 120 ms. sync_after.mkv: detect clapper close frame (visual) vs audio transient onset over 5 claps; mean |offset| ≤10 ms. Scene JSON sync offset or render delay within 120±15 ms.

建议部分得分

20% before-test recorded; 40% correct offset set; 40% residual ≤10 ms

R06.12.01.01-T15 Migrate a Streamlabs scene collection into OBS and fix broken sources

原始指令

Import fixtures/streamlabs_collection.overlay into OBS Studio as collection 'Migrated'. Several sources reference missing file paths and Streamlabs-only widgets. Relink media to the files in assets/, replace widgets with Browser sources to the provided URLs in widget_urls.txt, and make all 5 scenes render without missing-source warnings.

平台: mac · macOS win · Windows
应用: OBS Studio · Streamlabs Desktop
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: click · 指向与点击 type · 文字与表单 vis · 视觉判断
工作产物: WP08 · 应用 / 系统状态
条件: multiapp · 多应用 hidden · 隐藏 / 过期状态
提案难度: 4 / 5

建议验证方式

Collection JSON: 5 scenes; every file source path exists; widget sources replaced by browser sources with listed URLs; transforms preserved within 2 px of original; OBS log on load shows no 'missing files'.

建议部分得分

20% import; 35% media relinked; 25% widgets replaced; 20% transforms preserved

R06.12.01.01-T16 Configure a stinger transition with a track matte

原始指令

In OBS Studio enable Studio Mode and add a Stinger transition using transitions/swipe.webm with track matte transitions/swipe_matte.webm (stacked layout), transition point 600 ms, audio monitoring off. Make it the transition for Live→BRB only; keep Fade elsewhere. Record a cut Live→BRB to recordings/stinger.mkv.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: click · 指向与点击 av · 音视频时序 vis · 视觉判断
工作产物: WP05 · 时序媒体
条件: 未声明
提案难度: 4 / 5

建议验证方式

Collection JSON: stinger transition with matte settings and point 600 ms; scene-specific transition override BRB←Live. Recording: swipe frames present; scene content switches at 600±33 ms from transition start; Fade used in a second test switch.

建议部分得分

30% stinger config; 20% track matte; 25% override only for BRB; 25% timing in recording

R06.12.01.01-T17 Create the Weekly Stream scenes via obs-websocket (control pair of T01)

原始指令

Control pair of T01. With OBS running headless-accessible and obs-websocket v5 enabled (password in .env), write build_scenes.py that creates the same three scenes, sources, Cam transform and Fade 300 ms transition without touching the OBS window.

平台: mac · macOS win · Windows lin · Linux
应用: OBS Studio · obs-websocket
交互表面: api · API / SDK
GUI 需求 · 任务设定: AP · API 足够
GUI 需求 · 普通权限: AP · API 足够
交互原语: code · 代码与命令
工作产物: WP08 · 应用 / 系统状态
条件: 未声明
提案难度: 2 / 5

建议验证方式

Same checks as T01 on the resulting collection JSON; websocket server log shows requests from the script; no UI interaction events recorded.

建议部分得分

50% scenes/sources; 30% transforms; 20% transition

R06.12.01.01-T18 Stream to two destinations and record program plus ISO in vMix

原始指令

In vMix configure streaming to two local RTMP endpoints (rtmp://127.0.0.1/a and /b) at 1080p30 6 Mbps, and MP4 recording of Program plus MultiCorder ISO recordings of CAM1 and CAM2 to D:\rec\. Run for 45 s with two cuts between CAM1 and CAM2 at about 15 s and 30 s.

平台: win · Windows
应用: vMix
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: click · 指向与点击 type · 文字与表单 av · 音视频时序
工作产物: WP05 · 时序媒体
条件: licensed · 授权专业软件
提案难度: 4 / 5

建议验证方式

Both RTMP ingests recorded with matching params; Program MP4 shows cuts near 15 s and 30 s (±2 s) via shot-boundary detection; two ISO files with continuous single-camera content and duration ≥40 s.

建议部分得分

30% dual streaming; 25% program recording with cuts; 30% ISO files; 15% settings

R06.12.01.01-T19 Build a complete stream setup from a producer's brief

原始指令

From brief_stream.pdf in OBS Studio: 6 scenes and 14 sources with layout coordinates, mic and music filter chains, sidechain ducking, scene hotkeys, stream to local RTMP at the brief's encoder settings, recording track 2 = VOD mix without music, and a Starting Soon countdown that switches to Live at 0. Save collection 'Show_v1'.

平台: mac · macOS win · Windows
应用: OBS Studio
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: CL · CLI 足够
交互原语: drag · 拖放 geom · 精确几何 click · 指向与点击 av · 音视频时序
工作产物: WP08 · 应用 / 系统状态
条件: long · 长流程
提案难度: 5 / 5

建议验证方式

Collection JSON vs brief: scenes/sources/transforms (±2 px), filters and params, hotkeys. 2-minute dry run: RTMP ingest params; recording track 2 contains no music (correlation ≤0.05) while track 1 does; countdown triggers switch to Live.

建议部分得分

30% scenes/layout; 20% audio chains; 20% outputs; 30% VOD track and countdown automation

R06.12.01.01-T20 Auto-switch to a privacy scene when sensitive windows appear

原始指令

In OBS Studio with Advanced Scene Switcher, add macros: switch to scene 'Privacy' when the focused window title contains 'Password' or 'Bank', return to the previous scene 2 s after it loses focus, and mute Mic while in Privacy. Test by opening the provided fixtures/fake_password_manager app (synthetic data).

平台: mac · macOS win · Windows
应用: OBS Studio · Advanced Scene Switcher
交互表面: desk · 桌面 GUI
GUI 需求 · 任务设定: HY · 混合
GUI 需求 · 普通权限: G2 · GUI 必要
交互原语: click · 指向与点击 type · 文字与表单 multi · 跨应用
工作产物: WP08 · 应用 / 系统状态
条件: multiapp · 多应用 interrupt · 中断
提案难度: 5 / 5

建议验证方式

Harness focuses test windows in a scripted sequence and records program scene via websocket: Privacy within 500 ms of focus on matching titles, not for others; returns to previous scene 2±0.5 s after; Mic muted only in Privacy. Macro config exported in plugin settings.

建议部分得分

35% switch on match; 15% no false trigger; 25% return to previous; 25% mic mute

已有研究映射

以下沿用研究目录中的基准与小类映射，不是逐题标注、执行记录或产品背书。

MCPWorld

同工作流族的小类

R06.12.01.02 现场切换与播出图文