| 摘要 |
A method for controlling the operating frequency of a processor during video playback is disclosed. The method comprises extracting a pack of video data in which is embedded a plurality of data size information of a plurality of video data segments for playback. The plurality of data size information from the extracted pack of video data is read to determine the plurality of video data segment bitrates. The plurality of video segment bit rate is calculated from the plurality of data size information of the plurality of video data segments. The operating frequency of the processor is set according to the video data segment bitrate of each video data segment of the plurality of video data segments while playing the video data segment. As a result, the optimum processor operating frequency is utilized in order to provide the best quality of video playback while reducing the power consumption to a minimum.
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