使用media-ctl -p /dev/media0查看采集像素 - entity 8: rockchip-mipi-dphy-rx (2 pads, 2 links) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev1 pad0: Sink [fmt:SBGGR10_1X10/1920x1080@10000/300000 field:none] <- "m00_b_ov13850 3-0010":0 [ENABLED] pad1: Source [fmt:SBGGR10_1X10/1920x1080@10000/300000 field:none] -> "rkisp1-isp-subdev":0 [ENABLED] - entity 9: m00_b_ov13850 3-0010 (1 pad, 1 link) type V4L2 subdev subtype Sensor flags 0 device node name /dev/v4l-subdev2 pad0: Source [fmt:SBGGR10_1X10/1920x1080@10000/300000 field:none] -> "rockchip-mipi-dphy-rx":0 [ENABLED] 用media-ctl -d /dev/media0 --set-v4l2 '"m00_b_ov13850 3-0010":0[fmt:SBGGR10_1X10/4224x3136]'更改采集像素为1300w 然后查询 - entity 8: rockchip-mipi-dphy-rx (2 pads, 2 links) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev1 pad0: Sink [fmt:SBGGR10_1X10/4224x3136@20000/150000 field:none] <- "m00_b_ov13850 3-0010":0 [ENABLED] pad1: Source [fmt:SBGGR10_1X10/4224x3136@20000/150000 field:none] -> "rkisp1-isp-subdev":0 [ENABLED] - entity 9: m00_b_ov13850 3-0010 (1 pad, 1 link) type V4L2 subdev subtype Sensor flags 0 device node name /dev/v4l-subdev2 pad0: Source [fmt:SBGGR10_1X10/4224x3136@20000/150000 field:none] -> "rockchip-mipi-dphy-rx":0 [ENABLED] 使用streamer -f jpeg -s 4224x3136 -j 100 -o image.jpeg 拍照,拍出来的照片像素只有150W,图片损失也特别严重。 |
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