Can't smoothly ingest H.264/MJPEG AVI files to Premiere Pro CS6 or CS5? Here you may find some solutions 
Recently, from the online forums or related Adobe website, could you find the some questions which offered by some camera users or editors. Just like that:
'Hi, I several days ago got some AVI videos which sent by my college. For a further editing in Premiere Pro CS5/CS6, errors like 'Unrendered codec' appeared on the screen. My AVI files are all encoded as H.264 and MJPEG. How can I smoothly edit them in Adobe?
Usually, for professional editors, they may know clearly that though with the right format for editing tools, if you get the incompatible codec, they still can't be imported well. So here for Adobe Premiere Pro, we highly recommend you the
Pavtube AVI to Premiere Pro Converter for Mac / Windows ( Pavtube HD Converter Mac / Win ), which has the strong capacity to handle the codec transcoding well.
Join us to see how this program works: Download it and install according to the instructions, with many video clips? 'Add video' could work well or with a bundled file folder, you can have 'Add from folder' as a try. No matter for Mac version or Windows version, you can both find the specific items on the output list,
"Adobe Premiere Pro -> MPEG-2 (*.mpg)" is the best one I suggest here.
Follow the screen shot here you can take the
'Settings' button on the main interface. Video size, bitrates, frame rate or even the audio channel. All you think out you can find here to make a nice decoration.
Any other useful advice or and suggestions you can leave below as the comments. Or you can just click the "Convert" button to make the
H.264/MJPEG AVI files friendly with Adobe Premiere Pro CS6 or CS5.
You're now ready to get the result
files into Adobe Premiere Pro to do further editing. Launch Premiere Pro CS6 on your Mac, choose "File > Import to import any file. If you prefer to use keyboard shortcuts, press Command+I to open the standard Import dialog.
Pavtube HD Video Converter for Mac enables anyone with SD/HD Video files to use any non-linear editor as long as they convert various videos to a recognizable format, easily done with Pavtube!
If your camera shots footage with MXF MOV, MTS, MP4, ProRes file extensions, you can refer the following guides:
Good News: Never miss to get Saving up to
$44.1, MXF/MTS/M2TS/MKV/FLV/MOV Converter.etc at Pavtube Bundles Deals,
such as: HD Video Converter for Mac($35) + DVD Creator for Mac($35) = $39.9, Save $30.1
Source:
http://handycameratips.jimdo.com/2014/09/11/import-m-jpeg-avi-files-into-premiere-pro-cs6/ 
Sun Oct 28, 2018 3:56 am by rahmangans
Subyek: Premiere Pro CS6 cannot play AVI with H.264/MJPG codec