Flash Video Encoder User Guide

Flash Video Encoder User Guide > Customizing video encoding settings > Cropping, trimming, and resizing video

Cropping, trimming, and resizing video

Flash Video Encoder provides the following editing options that let you crop and trim video clips before encoding them:

Cropping lets you alter the dimensions of a video clip. You can eliminate areas of the video to emphasize a particular focal point within the frame, such as highlighting a character by removing ancillary imagery or removing unwanted backdrops.

Trimming lets you edit the beginning and ending points (the in and out points) of a video. For example, you can adjust the trim of a video clip to begin play back 30 seconds into the full clip, removing unwanted frames.

Resizing lets you modify the width and height of the video frame. You can specify a frame size in pixels or as a percentage of the original image size.

1. Select a video in which you want to embed cue points.

   To select a video in the encoding list, click the video name in the video encoding queue.

2. Click Settings.

   The Flash Video Encoding Settings dialog box appears.

3. If you haven't yet specified encoding setting for the video clip, do so now. To learn more, see Encoding video with Flash Video Encoder.
4. Click the Crop and Resize tab to display the crop and resizing controls.

   
   
   

   Cropping and resizing controls

   
   
5. Enter values for the right, left, top, and bottom edges to crop the video, or use the slider controls to visually adjust the dimensions of the video. Guides in the preview window indicate the cropped area.
6. Resize the video clip:
   1. Select the Resize video option.
   2. (Optional) Select the Maintain Aspect Ratio option to keep the aspect ratio the same as the original video clip.

      NOTE

      If you resize a video clip's frame size, and do not select the Maintain Aspect Ratio option, the video may become distorted.

   3. Specify values for Width and Height. You can specify a frame size in pixels or as a percentage of the original image size.
7. To set the in and out points (the points at which the video begins and ends), drag the in and out point markers below the scrubber bar until you finish adjusting the video clip size.

   The video preview window lets you visually identify beginning and ending frames where you can trim the video clip. You can also use the elapsed time counter (located in the Trim section of the dialog box) to locate specific points in time where you can trim the video clip.

8. Preview the video by dragging the playhead over the scrubber bar to ensure that it plays appropriately.
9. When you finish cropping and trimming the video, you may select either the Cue Point or the Encoding tab to further modify the video's encoding settings, or click OK to return to the main Flash Video Encoding dialog box.

   If you are ready to encode your video clips, or need to add additional source video clips to encode, see Encoding video with Flash Video Encoder.

   To learn about the other options available in the Flash Video Encoding Settings dialog box, see the following sections:

   • Specifying video encoding settings
   • Defining and embedding cue points

     NOTE

     When you encode the video, the original source video clip is not changed. You can always re-encode a video clip and specify new settings if your initial attempt does not produce the results you want.

Flash CS3

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