Apple Compressor will allow you to set the poster frame of whatever you are running through Compressor. A poster frame is the frame that is displayed when your movie is viewed in the Finder. This can be very useful when trying to identify one video that looks like another, or starts with a fade up from black.
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The “Unable to connect to background process” and “Unable to submit to queue” messages are common errors that unfortunately have many causes.
Apple Compressor is a great tool to convert media files to other formats. A great way to use Compressor, is to create droplets. Droplets are automated Compressor shortcuts that make using Compressor drag and drop easy.
Here is a great tutorial that shows how to create a Droplet in Apple Compressor.
I’m going to show you how you can make Compressor settings and Droplets to encode video optimized for the iPad.
The iPad will play video up to 1280x720p resolution, 30 frames per second in H.264 and Motion JPEG (M-JPEG) with AAC-LC audio up to 160 Kbps, 48kHz. It will also play MPEG-4 video up to 640 by 480 pixels. In this tutorial I am going to use 1280×720 H.264 video.
Have you noticed that movies compressed with Compressor 3.5 have a slightly different frame size when viewed in QuickTime Player?
Compressor 3.5 gives all QuickTime movies a Clean aperture by default (previous versions of Compressor set the aperture to None). This means that, although the actual frame size of the movie hasn’t changed, when playing back, QuickTime scales and crops the movie to account for the non-square pixel aspect ratio of various video formats such as DV.