videodev2.lisp

   1 (in-package :cl-v4l2)
   2
   3 (defcstruct v4l2-capability
   4   (driver       :uchar :count 16)
   5   (card         :uchar :count 32)
   6   (bus-info     :uchar :count 32)
   7   (version      :uint32)
   8   (capabilities :uint32)
   9   (reserved     :uint32 :count 4))
  10
  11 (defcstruct v4l2-fract
  12   (numerator    :uint32)
  13   (denominator  :uint32))
  14
  15 (defcstruct v4l2-captureparm
  16   (capability   :uint32) ; Supported modes
  17   (capturemode  :uint32) ; Current mode
  18   (timeperframe v4l2-fract)   ; Time per frame in .1us units
  19   (extendedmode :uint32) ; Driver-specific extensions
  20   (readbuffers  :uint32) ; # of buffers for read
  21   (reserved     :uint32 :count 4))
  22
  23 (defcstruct v4l2-outputparm
  24   (capability   :uint32) ; Supported modes
  25   (outputmode   :uint32) ; Current mode
  26   (timeperframe v4l2-fract)   ; Time per frame in .1us units
  27   (extendedmode :uint32) ; Driver-specific extensions
  28   (writebuffers :uint32) ; # of buffers for write
  29   (reserved     :uint32 :count 4))
  30
  31 (defcunion v4l2-streamparm-union
  32   (capture      v4l2-captureparm)
  33   (output       v4l2-outputparm)
  34   (raw-data     :uchar :count 200))
  35
  36 (defcenum v4l2-buf-type
  37   (:buf-type-video-capture 1)
  38   :buf-type-video-output
  39   :buf-type-video-overlay
  40   :buf-type-vbi-capture
  41   :buf-type-vbi-output
  42   :buf-type-sliced-vbi-capture
  43   :buf-type-sliced-vbi-output
  44   :buf-type-video-output-overlay)
  45
  46 (defcstruct v4l2-streamparm
  47   (type         v4l2-buf-type)
  48   (parm         v4l2-streamparm-union))
  49
  50 (defcenum v4l2-tuner-type
  51   (:tuner-radio 1)
  52   :tuner-analog-tv
  53   :tuner-digital-tv)
  54
  55 (defcstruct v4l2-tuner
  56  (index         :uint32)
  57  (name          :uchar :count 32)
  58  (type          v4l2-tuner-type)
  59  (capability    :uint32)
  60  (rangelow      :uint32)
  61  (rangehigh     :uint32)
  62  (rxsubchans    :uint32)
  63  (audmode       :uint32)
  64  (signal        :int32)
  65  (afc           :int32)
  66  (reserved      :uint32 :count 4))
  67
  68 (defcstruct v4l2-standard
  69  (index         :uint32)
  70  (id            :uint64)
  71  (name          :uchar :count 24)
  72  (frameperiod   v4l2-fract)
  73  (framelines    :uint32)
  74  (reserved      :uint32 :count 4))
  75
  76 (defcstruct v4l2-input
  77   (index        :uint32)                ; Which input
  78   (name         :uchar :count 32)       ; Label
  79   (type         :uint32)                ; Type of input
  80   (audioset     :uint32)                ; Associated audios (bitfield)
  81   (tuner        :uint32)                ; Associated tuner
  82   (std          :uint64)
  83   (status       :uint32)
  84   (reserved     :uint32 :count 4))
  85
  86 ;;
  87 ;;      F O R M A T   E N U M E R A T I O N
  88 ;;
  89 (defcstruct v4l2-fmtdesc
  90  (index         :uint32)                ; Format number
  91  (type          v4l2-buf-type)          ; buffer type
  92  (flags         :uint32)
  93  (description   :uchar :count 32)       ; Description string
  94  (pixelformat   :uint32)                ; Format fourcc
  95  (reserved      :uint32 :count 4))
  96
  97 ;; Values for the 'type' field
  98 (defconstant v4l2-input-type-tuner 1)
  99
 100 (defconstant v4l2-input-type-camera 2)