Alex X
154 lines
3.1 KiB
Go
154 lines
3.1 KiB
Go
//go:build amd64 || arm64
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package device
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// https://github.com/torvalds/linux/blob/master/include/uapi/linux/videodev2.h
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const (
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VIDIOC_QUERYCAP = 0x80685600
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VIDIOC_ENUM_FMT = 0xc0405602
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VIDIOC_G_FMT = 0xc0d05604
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VIDIOC_S_FMT = 0xc0d05605
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VIDIOC_REQBUFS = 0xc0145608
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VIDIOC_QUERYBUF = 0xc0585609
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VIDIOC_QBUF = 0xc058560f
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VIDIOC_DQBUF = 0xc0585611
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VIDIOC_STREAMON = 0x40045612
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VIDIOC_STREAMOFF = 0x40045613
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VIDIOC_G_PARM = 0xc0cc5615
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VIDIOC_S_PARM = 0xc0cc5616
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VIDIOC_ENUM_FRAMESIZES = 0xc02c564a
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VIDIOC_ENUM_FRAMEINTERVALS = 0xc034564b
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)
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const (
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V4L2_BUF_TYPE_VIDEO_CAPTURE = 1
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V4L2_COLORSPACE_DEFAULT = 0
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V4L2_FIELD_NONE = 1
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V4L2_FRMIVAL_TYPE_DISCRETE = 1
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V4L2_FRMSIZE_TYPE_DISCRETE = 1
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V4L2_MEMORY_MMAP = 1
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)
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type v4l2_capability struct {
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driver [16]byte
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card [32]byte
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bus_info [32]byte
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version uint32
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capabilities uint32
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device_caps uint32
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reserved [3]uint32
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}
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type v4l2_format struct {
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typ uint64
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fmt v4l2_pix_format
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}
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type v4l2_pix_format struct {
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width uint32 // 0
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height uint32 // 4
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pixelformat uint32 // 8
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field uint32 // 12
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bytesperline uint32 // 16
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sizeimage uint32 // 20
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colorspace uint32 // 24
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priv uint32 // 28
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flags uint32 // 32
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ycbcr_enc uint32 // 36
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quantization uint32 // 40
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xfer_func uint32 // 44
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_ [152]byte // 48
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}
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type v4l2_streamparm struct {
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typ uint32
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capture v4l2_captureparm
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}
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type v4l2_captureparm struct {
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capability uint32 // 0
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capturemode uint32 // 4
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timeperframe v4l2_fract // 8
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extendedmode uint32 // 16
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readbuffers uint32 // 20
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_ [176]byte // 24
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}
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type v4l2_fract struct {
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numerator uint32
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denominator uint32
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}
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type v4l2_requestbuffers struct {
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count uint32
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typ uint32
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memory uint32
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capabilities uint32
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flags uint8
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reserved [3]uint8
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}
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type v4l2_buffer struct {
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index uint32 // 0
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typ uint32 // 4
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bytesused uint32 // 8
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flags uint32 // 12
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field uint32 // 16
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_ [20]byte // 20
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timecode v4l2_timecode // 40
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sequence uint32 // 56
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memory uint32 // 60
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offset uint32 // 64
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_ [4]byte // 68
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length uint32 // 72
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_ [12]byte // 76
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}
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type v4l2_timecode struct {
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typ uint32
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flags uint32
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frames uint8
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seconds uint8
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minutes uint8
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hours uint8
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userbits [4]uint8
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}
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type v4l2_fmtdesc struct {
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index uint32
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typ uint32
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flags uint32
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description [32]byte
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pixelformat uint32
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mbus_code uint32
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reserved [3]uint32
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}
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type v4l2_frmsizeenum struct {
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index uint32 // 0
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pixel_format uint32 // 4
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typ uint32 // 8
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discrete v4l2_frmsize_discrete // 12
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_ [24]byte
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}
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type v4l2_frmsize_discrete struct {
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width uint32
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height uint32
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}
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type v4l2_frmivalenum struct {
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index uint32
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pixel_format uint32
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width uint32
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height uint32
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typ uint32
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discrete v4l2_fract
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_ [24]byte
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}
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