v4l2-ctl
Verified for current stable LTS
V4l2 Ctl Command: Capture Jpeg Photo With Resolution
Use for capture jpeg photo with resolution with V4l2 Ctl. Exact CLI syntax to capture jpeg photo with resolution using V4l2 Ctl.
When to use this: Use for capture jpeg photo with resolution with V4l2 Ctl.
Command Syntax
v4l2-ctl -d <path/to/video_device> --set-fmt-video=width=<width>,height=<height>,pixelformat=MJPG --stream-mmap --stream-to=<path/to/output.jpg> --stream-count=1v4l2-ctl -d <path/to/video_device> --set-fmt-video=width=<width>,height=<height>,pixelformat=MJPG --stream-mmap --stream-to=<path/to/output.jpg> --stream-count=1Live Command Builder
Final Command
v4l2-ctl -d <path/to/video_device> --set-fmt-video=width=<width>,height=<height>,pixelformat=MJPG --stream-mmap --stream-to=<path/to/output.jpg> --stream-count=1 Command Breakdown
-d- Command Option
- Tool-specific option used by this command invocation.
--set-fmt-video=width=<width>,height=<height>,pixelformat=MJPG- Command Option
- Tool-specific option used by this command invocation.
--stream-mmap- Command Option
- Tool-specific option used by this command invocation.
--stream-to=<path/to/output.jpg>- Command Option
- Tool-specific option used by this command invocation.
--stream-count=1- Command Option
- Tool-specific option used by this command invocation.
FAQ
Purpose: Exact syntax to capture jpeg photo with resolution using V4l2 Ctl.
Test path: Replace placeholders and run destructive commands in a disposable workspace first.
Flag behavior: Tool version, platform, and shell can change behavior.
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Related Operations
V4l2 Ctl Command: Capture Raw Video Stream
v4l2-ctl -d <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> V4l2 Ctl Command: Get Video Device Details v4l2-ctl --all -d <path/to/video_device> V4l2 Ctl Command: List All Video Devices v4l2-ctl -A V4l2 Ctl Command: List Supported Video Formats Default Device v4l2-ctl --list-formats-ext V4l2 Ctl Command: List Supported Video Formats Specific Device v4l2-ctl --list-formats-ext -d <path/to/video_device>