| 摘要 |
When a switch is not pressed, fetched image data for one frame undergoes an MPEG compression process, and the compressed image data is temporarily stored in a buffer. When the switch is pressed, fetched image data for one frame undergoes a JPEG compression process, and image data for the next and subsequent frames undergo an MPEG compression process and are additionally stored at the end position of the buffer. If a timer has reached a time-out, a JPEG file is generated based on JPEG-compressed data, and an MPEG file is generated based on MPEG-compressed data for a plurality of frames stored in the buffer.
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