Adobe After Effects CS software is the industry-leading solution for creating sophisticated motion graphics and cinematic visual effects. And it normally can recognize a few file formats like DV, Flash, MPEG, MOV, WMV and AVI. The point there, sometimes you will find it a painful experience to import AVI files into After Effects (AE CC included) for further editing. you may have encounterred similiar problems quoted as below:
"I'm having trouble importing avi footage into after effects CS5. I've tried using Mpeg Streamclip to convert it but it just shows black is there any way to import this I use a Mac OSX 10.9, The footage can only be viewed in VLC Player and not Quicktime."
As we all know, AVI might be one of the most used file formats for saving video files online and offline. And most of AVI videos is either downloaded from the Internet or taken by your cameras. All in all, After Effects only supports DV-AVI or AVI files implemented via QuickTime. However, AVI is a 'container' format which can incorporate most any sort of video and audio codecs. That is to say, AVI videos can be encoded by different codecs like DivX, Xvid, MJPEG, 3ivX, which makes After Effects refuse them. For most AVI video files, you need an app like EaseFab Video Converter for Mac (Yosemite and Mavericks compatible) to transcode AVI to a more-editing friendly format for using in After Effects CC, CS6, CS5.5, CS5, CS4, etc. Just download it and follow the tutorial below to convert AVI videos for editing in After Effects.
Instructions: Overall, the program is a professional yet all-in-one video conversion tool. With it, you can easily rewrap and convert all AVI files to After Effects highly compatible file format like MPEG-2, MOV, WMV with least quality loss. Besides, the Mac video converter can convert HD videos HD camcorders or DVs (like JVC, Panasonic, Sony and Cannon) for editing in Final Cut Pro, iMovie, Avid MC, Adobe Premiere Pro, Avid MC etc. It has an equivalent Windows version Video Converter for PC users. Just get the right version according to your computer's OS.
How to Convert AVI and import AVI to After Effects
Step 1. Load AVI files to the Mac Converter
Two ways can be adopted to add AVI files to the Mac converter: directly drag & drop the AVI files to the converter, or click "Add Video" button to browse and add video files. If you want to convert AVI movie to After Effects on Mac in one go, you can add several files at one time.
Step 2. Choose the output format
To import AVI files to After Effects, you can select MOV, WMV or MPEG-2 from "Editing Software" as the output format. All output videos will keep the original quality of AVI video and seamlessly fit After Effects CC, CS6, CS5.5, CS5, CS4 and more.
Tip: If the default settings do not fit you requirement, you can click "Settings" icon to and enter "Profile Settings" panel to adjust video size, bit rate, frame rate, sample rate and audio channels.
Step 3. Start AVI to AE Conversion
Finally, press the "Convert" button; it will start to transcode AVI files to MPEG-2, WMV or MOV for After Effects CS4/CS5/CS5.5/CS6/CC immediately.
When the AVI to Adobe AE conversion task is finished, click "Open" button to get the exported files for transferring to After Effects for smooth editing.