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MasterClass! - Adobe Media Encoder & Embedding Flash Video in Dreamweaver CS4 Tutorials

Editing Video / Cropping & Resizing Video




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Subtitles of the Movie

In this video I'm going to show you how to resize, crop both proportionally and not proportionally and trim a video in Media Encoder. Now as I mentioned in the Introduction, these are not the editing tools we'll find in a full-fledged professional video editing program, but they are very handy and for quick and dirty editing on the fly to produce video that's ready for the web they're very handy. Let me show you how they work. First of all select my video and as you can see right now I have selected to convert it to a Flash Video File. With that Setting intact I'll click on the Settings button to open the Settings dialog and let's explore what we can do with sizing. Now the first thing I'm going to do is use the Tapehead to preview my video in Media Encoder and as you can see I've zoomed out to 50 percent so that I can see the entire video screen even if not in great detail. If I elect to resize this video let's just briefly review what happens if I use one of the Presets. Let's say I decide to make this a Web Small Flash Video. Well let's take a look at it now in the Output tab. As you can see by resizing I've generated letterboxing on the top and bottom of my video. Why? Because the proportions of my original video don't compress to the proportions of the Standard Small Flash Video Screen, which is 328 pixels wide by 240 pixels high, very close to the 320 by 240 that I told you was kind of standard for the web in the previous video. Let's explore other options now for resizing this video that won't produce letterboxing. Well, over in the Size section I can uncheck the proportions, Constrain width and height checkbox and change this to other values. Let's experiment with 220 pixels high or, oh I want to uncheck the Constrain width and height. Now I can change this to 320 by 220. Let's try 200 and so on and I can experiment until I get rid of the letterboxing, or at least any noticeable letterboxing. So I can custom resize my video, turn off the height and width constrain sizes and resize it to a smaller video size that doesn't produce letterboxing. Let's look at another option for resizing and that is Cropping. I'm going to uncheck Resize Video now, go back to the full sized video and back in the Source tab of the Settings dialog I'm going to select the Crop Tool. By default, the crop proportions are set to none. That means you can free-hand select exactly which section of the video you want to crop. Now as you can see in the Output size when I take a look at this, again this is a non-standard size and it's going to produce some letterboxing in most viewers, but nevertheless I can do that if I choose to do it and there are different reasons why you might want to just select a crop size that doesn't necessarily fit exactly into any preset 4 to 3 aspect ratio. If, however, you want to crop your video and more typically this is what you'll want to do and maintain the 4 to 3 aspect ratio, you select 4 to 3 from the Crop Proportions drop-down menu and then you can click and drag and define where you want that 4 to 3 box and you can resize it, but as you resize it the 4 to 3 aspect ratio stays the same. So, for example, if I wanted quite a small video, say about 240 by about 180, so this would fit quite nicely in a standard display screen, I can experiment with this and I'll drag the Tapehead, take a look at how this looks at different sections of the video, if I want to adjust it a bit I can and once I've decided on a good spot now I can crop this video, reduce the display size and I'll bet the file size almost in half and yet I actually haven't made the faces of the dancers any smaller, so that's another option for resizing this video. Let me click OK and now that video is ready, queued up and ready to convert. Let's take a look at how I can use Trimming to change the length of a video. I'll select a different video, go into the Settings dialog and again use the Tapehead to preview my video. Now I can see from the display that as I drag the Tapehead this video takes about one minute, almost exactly, to play. Well, I've been given a mandate to produce a 30-second video that previews this video. Let's see how this video would look if we set it just to 30 seconds. Well, I can estimate the position - I'm using my right cursor key now for fine detail - and I'm going to zip ahead to exactly 30 seconds and see how this video looks at that point. And, through the magic of video editing I cut a few seconds out of my process, here we are right at 30 seconds. If I want to experiment with a 20-second or a 25-second video I can do that as well. This might be a good picture to end the video at, it's about 21 seconds. To do that I drag the Trim Indicator to this point and right there, whoops, right there is where I want to end the video. So with the Trim Indicator set I'll click OK and when I Batch Process this file the file length will be cut. I also could have cut the beginning of the video if I wish to do that as well. So, with the length of the video trimmed I'm going to go ahead and click OK and now when I start my Queue the videos that get produced will be cropped and trimmed as I defined the settings for them.

Tutorial Information

Course: MasterClass! - Adobe Media Encoder & Embedding Flash Video in Dreamweaver CS4
Author: David Karlins
SKU: 34072
ISBN:
Release Date: 2009-12-15
Duration: 2 hrs / 25 lessons
Captions: For Online University members only
Compatibility: Vista/XP/2000, OS X, Linux
QuickTime 7, Flash 8

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