| 摘要 |
<p>A device and method for playing back scalable video streams. The device for playing back a scalable video stream includes a screen mode determination unit that determines the mode of a screen to be displayed, a decoding level determination unit that determines a decoding level according to the screen mode, a predecoder that provides a signal to be decoded in accordance with the decoding level, a decoder that decodes the signal provided by the predecoder, and a display unit that displays the decoded signal. The method includes judging the mode of a screen to be displayed, determining a decoding level suitable for the mode of the screen, performing predecoding in order to provide a signal to be decoded according to the decoding level, decoding the signal provided by the predecoder, and displaying the decoded signal for playback.</p> |
