Name: Stellar Marvel (Promethium) for Mac: Complete Guide to Core Features and Operations
Rating: 4.8 (0 reviews)
Author: 爱上MAC

Source: 爱上MAC | Software download link: 星驰神机（Promethium） for Mac

星驰神机（Promethium）是一款运行于macOS平台上的高性能多媒体创作与处理软件。它集成了视频编辑、音频处理、动态图形设计及特效合成等专业功能，以其流畅的Apple Silicon原生优化、直观的界面逻辑和强大的渲染引擎著称，旨在为创作者提供一站式的数字内容生产解决方案。

一、核心界面与工作区详解

星驰神机的界面采用现代化的深色主题，主要分为以下几个核心区域：

菜单栏与主工具栏：位于窗口顶部。左侧为标准菜单（文件、编辑、视图等），右侧为可自定义的主工具栏，包含最常用的工具按钮（如选择工具、切割工具、缩放工具等）。
项目资源库面板：通常位于界面左上方。用于管理导入的所有媒体素材（视频、音项、图片）、项目内生成的序列、字幕项及特效预设。支持文件夹分类和智能搜索。

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Source: 爱上MAC | Software download link: 星驰神机（Promethium） for Mac

一、核心界面与工作区详解

星驰神机的界面采用现代化的深色主题，主要分为以下几个核心区域：

菜单栏与主工具栏：位于窗口顶部。左侧为标准菜单（文件、编辑、视图等），右侧为可自定义的主工具栏，包含最常用的工具按钮（如选择工具、切割工具、缩放工具等）。
项目资源库面板：通常位于界面左上方。用于管理导入的所有媒体素材（视频、音频、图片）、项目内生成的序列、字幕项及特效预设。支持文件夹分类和智能搜索。

Viewer Panels: Located in the center of the interface. Divided into “Source Viewer” and “Program Viewer.” The “Source Viewer” on the left is used to preview raw footage and edit in/out points; the “Program Viewer” on the right provides a real-time preview of the composite result on the timeline.
Timeline Workspace: Located at the bottom of the interface, it is the core of the entire software. It can contain multiple video tracks and audio tracks. Track headers provide control buttons such as lock, mute, and solo. The timeline supports nested sequences, allowing for complex hierarchical editing.
Inspector Panel: Located in the upper right of the interface. This is a dynamic panel whose content changes based on the selected object (clips, text, effects, etc. on the timeline), and is used to adjust all parameters of that object, such as transform properties, opacity, effect settings, audio gain, etc.
Effects & Transitions Panel: Usually located in the middle right of the interface or accessible via the menu. It provides a rich collection of video/audio effects, transitions, and generators in categorized lists, which can be dragged directly onto clips.
Audio Mixer Panel: Can be opened via the “Window” menu. It provides independent volume faders, pan controls, and effect slots for each audio track, facilitating fine-grained audio mixing.

II. Complete Workflow: From Creation to Export

Step 1: Create or Open a Project

After launching the software, the project startup window will appear. To create a new project: click “New Project” and in the dialog box that pops up, set parameters such as the project name, save location, video resolution, frame rate, timebase, and audio sample rate. Once confirmed, you will enter the main editing interface.

To open an existing project: select it from the “Recent Projects” list in the startup window, or click “Open Project” to browse and locate it. Shortcut: Command (⌘) + O.

Step 2: Import and Manage Assets

Double-click on an empty area of the “Project Media” panel, or use the shortcut ⌘ + I, to open the file import dialog. Select one or more media files you need and click “Import.” The imported assets will appear in the media library as icons or in a list. It is recommended to immediately create folders (right-click on an empty area of the media library > “New Folder”) for categorized management.

Step 3: Rough Cutting and Timeline Arrangement

Preview assets: Double-click an asset in the media library, and it will open in the “Source Viewer.” Use the spacebar to play/pause, and use the J, K, L keys for reverse, pause, and forward playback speed control.
Set In and Out Points: In the “Source Viewer,” move the playhead to the start position of the desired clip and press the I key to mark the in point; move to the end position and press the O key to mark the out point.
Insert into Timeline: Make sure the timeline playhead is at the target position, then click the “Insert” button below the “Source Viewer” (or simply press the , comma shortcut) to add the selected clip to the timeline at the current track’s playhead position. You can also drag assets directly from the media library onto the timeline track.
Trimming and Adjusting: On the timeline, use the Selection Tool (V) to drag clip edges and adjust the length; use the Blade Tool (C) to click at the playhead position to split a clip; use the Slide Tool (Y) to simultaneously adjust a clip’s in and out points without changing its duration or the positions of adjacent clips.

Step 4: Add Effects, Transitions, and Text

Add Video/Audio Effects: Open the “Effects” panel, find the desired effect (such as “Three-Way Color Wheel” under “Color Correction”), and drag it directly onto the target clip on the timeline. Adjust parameters in the “Inspector” panel on the right.
Add Transitions: Open the “Transitions” panel, select a transition effect (such as “Cross Dissolve”), and drag it to the junction between two clips.
Add Text: In the “Generators” category of the resource library, find the “Text” category, select a text template and drag it onto the timeline video track, then modify the text content, font, size, and animation properties in the “Inspector” panel.

Step 5: Audio Processing and Mixing

Select an audio clip on the timeline, and in the “Inspector” panel you can adjust the volume and pan, and add audio effects such as noise reduction and equalization. Open the “Audio Mixer” panel (Window > Audio Mixer) to draw automation curves for the volume of entire tracks, achieving effects such as fade in and fade out. The shortcut Option + Command (⌘) + A quickly opens/closes the audio keyframe display.

Step 6: Final Export

Make sure the timeline workspace is active (click anywhere on the timeline), use the shortcut ⌘ + E or click the menu “File” > “Export” > “Media” to open the export settings dialog.
In the dialog, set the export format (such as H.264, HEVC, ProRes), preset (such as “YouTube 1080p HD”), output file name, and save path.
Under the “Video” and “Audio” tabs, you can further customize advanced parameters such as bitrate, codec, and sample rate.
After confirming the settings are correct, click the “Export” button in the lower right corner of the dialog box to start rendering and generating the final file. The rendering progress will be displayed in the status bar at the bottom of the interface.

III. Advanced Tips for Common Features

Quickly Replace Media: Select the clip you want to replace on the timeline, then hold down the Option key in the media library and drag the new media onto that clip. This replaces it while preserving the existing effects and clip length.
Multicam Editing: Select multiple synchronized camera angles, right-click, and choose “Create Multicam Source Sequence.” Then create a new sequence, drag the generated multicam source sequence into it, right-click in the “Program Monitor” and select the “Multicam” view. During playback, you can switch angles in real time by clicking the screen or pressing the number keys.
Dynamic Link with After Effects Compositions: Right-click in the media library and choose “Import After Effects Composition.” The imported .aep file will appear in the project as a dynamically linked media item. Modifying that media item in DaVinci Resolve will automatically update it in After Effects, with no need to render intermediate files.
Using Adjustment Layers: Find “Adjustment Layer” in the “Generators” section of the media library and drag it to the topmost video track. Effects applied to the adjustment layer (such as color grading or blur) will affect all tracks below it, making it easy to manage global effects in a unified way.

IV. Common Issues and Solutions

Issue 1: Timeline stuttering or frame drops during playback

Solution: First, try adjusting the playback quality from “Full” to “1/2” or “1/4” in the lower right corner of the “Viewer”. Next, check whether a large number of complex effects are being used, and temporarily disable some effects (click the eye icon in front of the effect name in the Inspector) to troubleshoot. Make sure the system has allocated enough memory to the software (adjust this in the software preferences).

Issue 2: Imported audio/video files cannot be recognized or are missing audio/video

Solution: DaVinci Resolve has limited support for certain codec formats. It is recommended to use a media transcoding tool (such as Apple Compressor or HandBrake) to convert files into more compatible formats, such as H.264/HEVC for video encoding and AAC for audio encoding. Check whether the file is corrupted, and try opening it with another player.

Issue 3: After applying transitions, black frames or missing content appear at both ends of the edit

Solution: Most transitions require additional “handle” frames (i.e., extra content beyond the edit in and out points). Make sure that during rough cutting, both ends of the edit have surplus material in the source clip. You can try slightly trimming the transition area on the timeline, or use the “Slide Tool (Y)” to adjust the content within the edit.

Question 4: The exported video file size is abnormally large

Solution: Check the export settings. For web distribution, choose H.264 or HEVC encoding, and use “bitrate encoding” instead of “quality encoding,” setting the target bitrate within a reasonable range (e.g., 8-15 Mbps for 1080p video). Avoid using editing formats like ProRes for final output when they are not needed.

V. DaVinci Resolve for Mac Keyboard Shortcuts Summary

Function Category	Operation Description	Shortcut (Mac)
Project & Files	New Project	⌘ + N
Open Project	⌘ + O
Save Project	⌘ + S
Import Media	⌘ + I
Export Media	⌘ + E
Playback Control	Play/Pause	Spacebar
Play from In Point to Out Point	Shift + Spacebar
Reverse Playback (progressively faster)	J
Pause	K
Forward Playback (progressively faster)	L
Step Forward One Frame	→ (Right Arrow)
Editing Operations	Mark In Point	I
Mark Out Point	O
Clear In and Out Points	Option + X
Insert to Timeline	, (Comma)
Overwrite to Timeline	. (Period)
Split Clip	C
Selection Tool	V
Slip Tool	Y
Timeline Navigation	Zoom In Timeline	⌘ + + (Plus)
Zoom Out Timeline	⌘ + – (Minus)
Move Playhead to Start/End of Sequence	Home / End
Move Selected Clip to Playhead Position	⌘ + Option + V
Display Controls	Show/Hide Audio Keyframes	Option + ⌘ + A
Toggle Full-Screen Preview	⌘ + F
Render Selected Area	⌘ + R