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Mv series camera appnotes 4 rpi (view source)
Revision as of 15:50, 2 November 2022
, 15:50, 2 November 2022→Save image
===== Save image to file =====
===== Save image to file =====
<code>v4l2-ctl --set-fmt-video=width=3088,height=2064,pixelformat=GREY --stream-mmap --stream-count=1 --stream-to=y8-3104x2064.yuv</code>
======MV-MIPI-IMX178M======
*raw8
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=3088,height=2064,pixelformat=GREY --stream-mmap --stream-count=1 --stream-to=y8-3104x2064.raw</code>
Or
Or
<code>./yavta -c1 -Fy8-3104x2064.yuv --skip 0 -f Y8 -s 3088x2064 /dev/video0</code>
<code>./yavta -c1 -Fy8-3104x2064.raw --skip 0 -f Y8 -s 3088x2064 /dev/video0</code>
Since the memory requested by Raspberry Pi for the image, the width is 32-align and the height is 16-align, the 3088*2064 image will be saved as 3104*2064 size.
*raw10
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=3088,height=2064,pixelformat='Y10 ' --stream-mmap --stream-count=1 --stream-to=y10-3088x2064.raw</code>
*raw12
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=3088,height=2064,pixelformat='Y12 ' --stream-mmap --stream-count=1 --stream-to=y12-3088x2064.raw</code>
======MV-MIPI-SC130M======
*raw8
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=1280,height=1024,pixelformat=GREY --stream-mmap --stream-count=1 --stream-to=y8-1280x1024.raw</code>
*raw10
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=1280,height=1024,pixelformat='Y10 ' --stream-mmap --stream-count=1 --stream-to=y10-1280x1024.raw</code>
====== MV-MIPI-IMX296M======
* raw8
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=1440,height=1088,pixelformat=GREY --stream-mmap --stream-count=1 --stream-to=y8-1440x1088.raw</code>
*raw10
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=1440,height=1088,pixelformat='Y10 ' --stream-mmap --stream-count=1 --stream-to=y10-1440x1088.raw</code>
======MV-MIPI-IMX265M======
* raw8
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=2048,height=1544,pixelformat=GREY --stream-mmap --stream-count=1 --stream-to=y8-2048x1544.raw</code>
*raw10
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=2048,height=1544,pixelformat='Y10 ' --stream-mmap --stream-count=1 --stream-to=y10-2048x1544.raw</code>
*raw12
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=2048,height=1544,pixelformat='Y12 ' --stream-mmap --stream-count=1 --stream-to=y12-2048x1544.raw</code>
======RAW-MIPI-SC132M======
* raw8
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=1080,height=1280,pixelformat=GREY --stream-mmap --stream-count=1 --stream-to=y8-1088x1280.raw</code>
*raw10
<code>v4l2-ctl -d /dev/video0 --set-fmt-video=width=1080,height=1280,pixelformat='Y10 ' --stream-mmap --stream-count=1 --stream-to=y10-1080x1280.raw</code>
PS. This y8 file can be used with this player: [https://yuv-player-deluxe.software.informer.com/2.6/ YUV Displayer Deluxe].
PS. This y8 file can be used with this player: [https://yuv-player-deluxe.software.informer.com/2.6/ YUV Displayer Deluxe].
==== Trigger mode ====
==== Trigger mode ====
==== Unpacked image format(padded) ====
==== Unpacked image format(padded) ====
For 10bit depth and 12bit depth pixel data, two bytes are always used to store one pixel. The V4L2 standard 'Y10 ', 'Y12 ' formats are stored in this way.
For 10bit depth and 12bit depth pixel data, two bytes are always used to store one pixel. The V4L2 standard 'Y10 ' (10-bit Greyscale),'Y12 ' (12-bit Greyscale)formats are stored in this way.
This storage method is convenient for software processing, but has the disadvantage of taking up more space.
This storage method is convenient for software processing, but has the disadvantage of taking up more space.
==== Packed image format ====
==== Packed image format ====
The data format saved by mv_raspicam is the data format on the MIPS bus, with no empty bit padding between pixels.
The data format saved by mv_raspicam is the data format on the MIPS bus, with no empty bit padding between pixels.
The V4L2 standard'Y10P' (10-bit Greyscale (MIPI Packed)),'Y12P' (12-bit Greyscale (MIPI Packed))formats are stored in this way.
[[File:Packed raw data layer.png|center|thumb|1200x1200px|Packed raw data layer]]
[[File:Packed raw data layer.png|center|thumb|1200x1200px|Packed raw data layer]]
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