| 摘要 |
To provide random seek of a preview position for streaming video, while playing a video stream, a preview position of the video stream is sought, and a preview result extracted from the video stream corresponding to the preview position is displayed while the video stream continues playing. Over the Internet, the preview position may be sent to a transmitting device, and the transmitting device may extract the preview result, then transmit the preview result simultaneously while transmitting the video stream.
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