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webcam

package module

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Versions in this module

v0

v0.6.2

Oct 1, 2026

Changes in this version

type Webcam

+ func OpenWithCloseOnExec(path string) (*Webcam, error)

v0.6.1

Apr 30, 2024

v0.6.0

Apr 1, 2024

v0.5.0

Nov 5, 2023

Changes in this version

+ const V4L2_BUF_TYPE_VIDEO_CAPTURE

+ const V4L2_CAP_STREAMING

+ const V4L2_CAP_VIDEO_CAPTURE

+ const V4L2_CID_AUTO_WHITE_BALANCE

+ const V4L2_CID_BASE

+ const V4L2_CID_PRIVATE_BASE

+ const V4L2_CTRL_COMPOUND_TYPES

+ const V4L2_CTRL_FLAG_DISABLED

+ const V4L2_CTRL_FLAG_NEXT_CTRL

+ const V4L2_CTRL_TYPE_BITMASK

+ const V4L2_CTRL_TYPE_BOOLEAN

+ const V4L2_CTRL_TYPE_BUTTON

+ const V4L2_CTRL_TYPE_CTRL_CLASS

+ const V4L2_CTRL_TYPE_INTEGER

+ const V4L2_CTRL_TYPE_INTEGER64

+ const V4L2_CTRL_TYPE_INTEGER_MENU

+ const V4L2_CTRL_TYPE_MENU

+ const V4L2_CTRL_TYPE_STRING

+ const V4L2_CTRL_TYPE_U16

+ const V4L2_CTRL_TYPE_U32

+ const V4L2_CTRL_TYPE_U8

+ const V4L2_FIELD_ANY

+ const V4L2_FRMIVAL_TYPE_CONTINUOUS

+ const V4L2_FRMIVAL_TYPE_DISCRETE

+ const V4L2_FRMIVAL_TYPE_STEPWISE

+ const V4L2_FRMSIZE_TYPE_CONTINUOUS

+ const V4L2_FRMSIZE_TYPE_DISCRETE

+ const V4L2_FRMSIZE_TYPE_STEPWISE

+ const V4L2_MEMORY_MMAP

+ var NativeByteOrder = getNativeByteOrder()

+ var VIDIOC_DQBUF = ioctl.IoRW(uintptr('V'), 17, unsafe.Sizeof(v4l2_buffer{}))

+ var VIDIOC_ENUM_FMT = ioctl.IoRW(uintptr('V'), 2, unsafe.Sizeof(v4l2_fmtdesc{}))

+ var VIDIOC_ENUM_FRAMEINTERVALS = ioctl.IoRW(uintptr('V'), 75, unsafe.Sizeof(v4l2_frmivalenum{}))

+ var VIDIOC_ENUM_FRAMESIZES = ioctl.IoRW(uintptr('V'), 74, unsafe.Sizeof(v4l2_frmsizeenum{}))

+ var VIDIOC_G_CTRL = ioctl.IoRW(uintptr('V'), 27, unsafe.Sizeof(v4l2_control{}))

+ var VIDIOC_G_INPUT = ioctl.IoR(uintptr('V'), 38, 4)

+ var VIDIOC_G_PARM = ioctl.IoRW(uintptr('V'), 21, unsafe.Sizeof(v4l2_streamparm{}))

+ var VIDIOC_QBUF = ioctl.IoRW(uintptr('V'), 15, unsafe.Sizeof(v4l2_buffer{}))

+ var VIDIOC_QUERYBUF = ioctl.IoRW(uintptr('V'), 9, unsafe.Sizeof(v4l2_buffer{}))

+ var VIDIOC_QUERYCAP = ioctl.IoR(uintptr('V'), 0, unsafe.Sizeof(v4l2_capability{}))

+ var VIDIOC_QUERYCTRL = ioctl.IoRW(uintptr('V'), 36, unsafe.Sizeof(v4l2_queryctrl{}))

+ var VIDIOC_REQBUFS = ioctl.IoRW(uintptr('V'), 8, unsafe.Sizeof(v4l2_requestbuffers{}))

+ var VIDIOC_STREAMOFF = ioctl.IoW(uintptr('V'), 19, 4)

+ var VIDIOC_STREAMON = ioctl.IoW(uintptr('V'), 18, 4)

+ var VIDIOC_S_CTRL = ioctl.IoRW(uintptr('V'), 28, unsafe.Sizeof(v4l2_control{}))

+ var VIDIOC_S_FMT = ioctl.IoRW(uintptr('V'), 5, unsafe.Sizeof(v4l2_format{}))

+ var VIDIOC_S_INPUT = ioctl.IoRW(uintptr('V'), 39, 4)

+ var VIDIOC_S_PARM = ioctl.IoRW(uintptr('V'), 22, unsafe.Sizeof(v4l2_streamparm{}))

+ func CToGoString(c []byte) string

+ type Control struct

+ Max int32

+ Min int32

+ Name string

+ Step int32

+ Type int32

+ type ControlID uint32

+ type FrameRate struct

+ MaxDenominator uint32

+ MaxNumerator uint32

+ MinDenominator uint32

+ MinNumerator uint32

+ StepDenominator uint32

+ StepNumerator uint32

+ func (f FrameRate) String() string

+ type FrameSize struct

+ MaxHeight uint32

+ MaxWidth uint32

+ MinHeight uint32

+ MinWidth uint32

+ StepHeight uint32

+ StepWidth uint32

+ func (s FrameSize) GetString() string

+ type PixelFormat uint32

+ type Timeout struct

+ func (e *Timeout) Error() string

+ type Webcam struct

+ func Open(path string) (*Webcam, error)

+ func (w *Webcam) Close() error

+ func (w *Webcam) GetBusInfo() (string, error)

+ func (w *Webcam) GetControl(id ControlID) (int32, error)

+ func (w *Webcam) GetControls() map[ControlID]Control

+ func (w *Webcam) GetFrame() ([]byte, uint32, error)

+ func (w *Webcam) GetFramerate() (float32, error)

+ func (w *Webcam) GetInput() (int32, error)

+ func (w *Webcam) GetName() (string, error)

+ func (w *Webcam) GetSupportedFormats() map[PixelFormat]string

+ func (w *Webcam) GetSupportedFrameSizes(f PixelFormat) []FrameSize

+ func (w *Webcam) GetSupportedFramerates(fp PixelFormat, width uint32, height uint32) []FrameRate

+ func (w *Webcam) ReadFrame() ([]byte, error)

+ func (w *Webcam) ReleaseFrame(index uint32) error

+ func (w *Webcam) SelectInput(index uint32) error

+ func (w *Webcam) SetAutoWhiteBalance(val bool) error

+ func (w *Webcam) SetBufferCount(count uint32) error

+ func (w *Webcam) SetControl(id ControlID, value int32) error

+ func (w *Webcam) SetFramerate(fps float32) error

+ func (w *Webcam) SetImageFormat(f PixelFormat, width, height uint32) (PixelFormat, uint32, uint32, error)

+ func (w *Webcam) StartStreaming() error

+ func (w *Webcam) StopStreaming() error

+ func (w *Webcam) WaitForFrame(timeout uint32) error