VIDEO PLAYBACK CONTROL METHOD AND BLACK BAR ELIMINATION MODULE USED IN A VIDEO PLAYBACK DEVICE
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United States of America Patent
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Issued Date -
May 7, 2009
app pub date -
Aug 20, 2008
filing date -
Nov 5, 2007
priority date (Note) -
Abandoned
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Abstract
A video playback control method adapted for a video playback device including the following steps. First, at least one source frame is fetched, with the source frame being corresponding to the video content that is to be displayed on the video playback device. Next, a first aspect ratio of the source frame is compared with a second aspect ratio of the video playback device, and the source frame is directly displayed on the video playback device when the first aspect ratio is the same as the second aspect ratio. Also, when the first aspect ratio is different to the second aspect ratio, the periphery of the source frame is overscanned.
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