Top Level Namespace
V4L2
- AllocatedBuffer
  - Memory
- Audio
- AudioOut
- Buffer
  - Cap
  - Field
  - Flags
  - Memory
  - Type
- BufferQueue
- Capability
  - Cap
- ColorSpace
- Crop
- CropCapability
- Device
  - OpenFailed
  - PixFmt
  - Priority
  - StandardID
  - UnsupportedCapability
  - VIDIOCError
- Error
- Field
- FmtDesc
- Format
  - Meta
  - Pix
  - PixMPlane
  - SDR
  - SlicedVBI
  - VBI
    - Flags
  - Window
- Fract
- Frame
- FrameSizes
  - Discrete
  - Stepwise
- Frequency
- HSVEncoding
- Input
- IOCTL
- Modulator
- Output
- PixFmt
- Priority
- Quantization
- Rect
- Standard
- Stream
  - Capture
  - HasParm
  - UninitializedError
- StreamParm
  - Capture
  - Output
- Streams
  - MetaCapture
  - MetaOutput
  - SDRCapture
  - SDROutput
  - SlicedVBICapture
  - SlicedVBIOutput
  - VBICapture
  - VBIOutput
  - VideoCapture
  - VideoCaptureMPlane
  - VideoOutput
  - VideoOutputMPlane
  - VideoOutputOverlay
  - VideoOverlay
- StructWrapper
- XFERFunc
- YCbCrEncoding

Built with Crystal 1.9.2
2023-10-07 19:13:54 UTC

class V4L2::Device::OpenFailed

V4L2::Device::OpenFailed
V4L2::Error
RuntimeError
Exception
Reference
Object

Overview

Indicates an attempt to open a V4L2 device failed.

Defined in:

v4l2/device.cr

Constructors

.new(path : String)

Class methods inherited from class `V4L2::Error`

Constructor Detail

def self.new(path : String) #

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