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Update cheatsheets
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@@ -18,24 +18,24 @@ source: https://github.com/tldr-pages/tldr.git
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- List supported video formats and resolutions of a specific video device:
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`v4l2-ctl --list-formats-ext --device {{path/to/video_device}}`
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`v4l2-ctl --list-formats-ext {{[-d|--device]}} {{path/to/video_device}}`
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- Get all details of a video device:
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`v4l2-ctl --all --device {{path/to/video_device}}`
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`v4l2-ctl --all {{[-d|--device]}} {{path/to/video_device}}`
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- Capture a JPEG photo with a specific resolution from video device:
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`v4l2-ctl --device {{path/to/video_device}} --set-fmt-video=width={{width}},height={{height}},pixelformat=MJPG --stream-mmap --stream-to={{path/to/output.jpg}} --stream-count=1`
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`v4l2-ctl {{[-d|--device]}} {{path/to/video_device}} --set-fmt-video=width={{width}},height={{height}},pixelformat=MJPG --stream-mmap --stream-to={{path/to/output.jpg}} --stream-count=1`
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- Capture a raw video stream from video device:
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`v4l2-ctl --device {{path/to/video_device}} --set-fmt-video=width={{width}},height={{height}},pixelformat={{format}} --stream-mmap --stream-to={{path/to/output}} --stream-count={{number_of_frames_to_capture}}`
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`v4l2-ctl {{[-d|--device]}} {{path/to/video_device}} --set-fmt-video=width={{width}},height={{height}},pixelformat={{format}} --stream-mmap --stream-to={{path/to/output}} --stream-count={{number_of_frames_to_capture}}`
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- List all video device's controls and their values:
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`v4l2-ctl --list-ctrls --device {{path/to/video_device}}`
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`v4l2-ctl {{[-l|--list-ctrls]}} {{[-d|--device]}} {{path/to/video_device}}`
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- Set the value of a video device control:
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`v4l2-ctl --device {{path/to/video_device}} --set-ctrl={{control_name}}={{value}}`
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`v4l2-ctl {{[-d|--device]}} {{path/to/video_device}} {{[-c|--set-ctrl]}} {{control_name}}={{value}}`
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