Source: 爱上MAC | Software download link: Adobe Media Encoder 2021 for Mac
Adobe Media Encoder 2021 for Mac is a core video and audio encoding component of the Adobe Creative Cloud suite. As a standalone media processing engine, it not only integrates seamlessly with Premiere Pro, After Effects, and Audition, but can also independently handle efficient, batch media format conversion, encoding, and export tasks. Its powerful preset system, queue management features, and background encoding capabilities make it an indispensable “output gatekeeper” in professional video production workflows.
I. Detailed Overview of the Core Interface and Workspace
After launching the software, you will see a logically clear, modular main interface, primarily divided into four core areas.
- Top Left: Queue Panel
- This is the core management area for encoding tasks. All media files waiting to be processed or currently being processed are listed here in a list format.
- Each task item clearly displays the source file, output format, preset, output path, and status.
- Top Right: Preview Panel
- A video player used to preview source files or encoded results. It supports playback, frame-by-frame forward/backward, zoom display ratio, Alpha channel inspection, and more.
- Displays in real time the progress of the current encoding task, estimated remaining time, file size, and usage of encoding hardware (such as GPU).
- When there are multiple tasks, you can monitor the overall queue progress here.
- Preset browser: Stores a large number of export presets organized in folders for different platforms (such as YouTube, Vimeo), devices (Apple devices, Android), and formats (H.264, HEVC, ProRes), which can be quickly accessed.
- Settings panel: When a task is selected in the queue, this area displays its detailed export parameter settings, including format, video codec, resolution, frame rate, bitrate, audio settings, etc. All parameters can be customized and adjusted.
II. Complete Workflow: From Creation to Export
1. Create/Add an Encoding Task
Method 1: Add files directly
- In the application interface, perform any of the following actions:
- Click the “+” button in the upper left corner of the queue panel.
- Use the shortcut
Cmd + I.
- Drag files or folders directly from Finder to the Queue panel.
- In the file selection window that pops up, locate and select the source media file you need to encode, and click “Open”.
Method 2: Send from Other Adobe Software
- In Premiere Pro or After Effects, after completing your project edits, go to “File” > “Export” > “Media” (shortcut
Cmd + M). - In the export settings window that pops up, on the right side of “Export Settings” at the bottom, select “Queue” instead of “Export”.
- Media Encoder will launch automatically (if not already running) and add the export task to the queue.
2. Configure Output Parameters
- In the Queue panel, click the text below “Format” for the newly added task (the default may be “Match Source – High Bitrate”), and a format and preset selection menu will pop up.
- Select the target format from the list (e.g., H.264).
- Click the text below “Preset” and select an appropriate preset from the preset browser (e.g., “YouTube 1080p HD”).
- Advanced Customization: Double-click the task item, or click the “Output File” path on the right, and the “Export Settings” window will pop up. Here you can:
- “Source” Tab: Set the In point and Out point to trim the source file.
- “Output” tab: Adjust the scaling, cropping, etc. of the output frame.
- “Multiplexer”, “Video”, “Audio” and other tabs: Fine-tune all encoder parameters, such as bitrate type (CBR/VBR), encoding quality, audio sample rate, etc.
- Click the path below “Output File” to change the save location and name of the output file.
3. Manage the Queue and Start Encoding
- Adjust the order: In the queue panel, drag task items directly to change their encoding order.
- Control status: Each task has a checkbox on its left. Unchecking it will disable that task so it is not encoded for the time being.
- Start encoding: Click the green “Start Queue” button in the upper-right corner of the queue panel (or press the shortcut
Cmd + Return), and the encoding process will begin immediately. - Once encoding starts, this button changes to a red “Stop Queue” button, which is used to pause all encoding tasks.
4. Monitor and Finish Exporting
- During encoding, you can view real-time progress, speed, and estimated time remaining in the “Encoding” panel.
- The task currently being encoded will show a progress bar in the queue.
- Tasks that are encoded successfully will show a green “Complete” status.
- Tasks that fail to encode will show a red “Error” status; you can click the exclamation mark icon next to it to view error details.
- Once all tasks are complete, you can find the encoded files in the preset output path.
III. Advanced Tips for Common Features
1. Watch Folder Automation
This is a powerful tool for achieving automated workflows.
- Click the menu bar “File” > “Add Watch Folder”.
- In the pop-up window, select a local folder and configure the output format and preset for it.
- After that, any compatible media file placed into this folder will be automatically added to the Media Encoder queue and encoded according to the preset rules, with output to the specified location. This is very suitable for scenarios that require repeatedly processing large numbers of files from a fixed path.
2. Creating, Importing, and Exporting Presets
Save custom settings to improve work efficiency.
- Create: In the “Export Settings” window, after adjusting all parameters, click the “Save Preset” button at the top of the window (floppy disk icon), name it, and choose a storage location (User or System Presets).
- Usage: After creation, your custom preset will appear in the “User Presets” folder of the “Preset Browser” and can be called up at any time.
- Sharing: Right-click a preset in the Preset Browser and select “Export” to generate an
.eprfile to share with colleagues; they can use the exact same encoding settings by “Importing Presets.”
3. Output Multiple Formats/Versions Simultaneously
“Encode once, output many” is a core advantage.
- Select a source file task in the queue.
- Right-click and select “Duplicate” (or press
Cmd + D). - You will get two identical tasks; then set different output formats and parameters for each (for example, one set to HD H.264 for web publishing, and the other set to 4K ProRes for archiving).
- After starting the queue, the software will handle it intelligently, usually decoding the source file only once and then encoding multiple output files in parallel, greatly saving time.
IV. Common Problems and Solutions
Problem 1: The encoding queue stops unexpectedly or gets stuck at a certain progress point
Solution:
- First, click the “Stop Queue” button.
- Check whether the source file for that task has been moved, renamed, or is being occupied by another program. Make sure the source file path is valid and accessible.
- Try right-clicking the task, selecting “Reset State,” and then restarting the queue.
- Check whether there is sufficient disk space on the output path drive.
Issue 2: Output file size is abnormally large or abnormally small
Solution:
- This is usually related to bitrate settings. Check the “Bitrate Settings” in the “Video” settings.
- For web video, using VBR (Variable Bitrate) can usually achieve a smaller file size while maintaining quality.
- Unreasonable values for “Target Bitrate” and “Maximum Bitrate” will cause the file to be too large or the quality to be too low. Adjust with reference to the platform’s recommended values.
- Check whether the resolution is set incorrectly (for example, outputting a 720p source as 4K).
Issue 3: The preview screen is green or cannot play
Solution:
- Some source files with special encoding (such as HEVC encoded by certain cameras) may require additional codec support. Try using QuickTime Player on Mac to see whether the source file plays normally.
- In Media Encoder, try temporarily switching “Video Rendering” from “Mercury Playback Engine GPU Acceleration” to “Software Only” under “Preferences” > “General,” then restart the software and test again.
- Update your graphics card drivers and Adobe Creative Cloud to the latest versions.
V. Summary of Mac Keyboard Shortcuts
| Function | Shortcut | Description |
|---|---|---|
| Add Source File | Cmd + I |
Open the file import dialog |
| Start/Stop Queue | Cmd + Return |
Start or stop encoding for the entire queue |
| Duplicate Selected Item | Cmd + D |
Quickly duplicate a task in the queue to create multiple output versions |
| Remove Selected Item | Delete or Cmd + Delete |
Delete the selected task from the queue |
| Open Export Settings | Return (on a selected task) |
Quickly open the detailed parameter settings window for the selected task |
| Reveal in Finder | Cmd + R |
Locate and highlight the source file of the selected queue item in Finder |
| Switch Preview/Queue Panel Focus | Cmd + 1 / Cmd + 2 |
Quickly switch keyboard focus between the Queue panel and the Preview panel |
| Play/Pause Preview | Space |
Control video playback in the Preview panel |
| Step Forward/Backward Frame by Frame | → / ← |
Browse the video frame by frame in the Preview panel |
| Open Preferences | Cmd + , (comma) |
Open the application preferences window |
| Quit Application | Cmd + Q |
Close Adobe Media Encoder |
