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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef __LINUX_VIDEODEV2_H |
| 2 | #define __LINUX_VIDEODEV2_H |
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| 3 | /* |
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| 4 | * Video for Linux Two |
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| 5 | * |
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| 6 | * Header file for v4l or V4L2 drivers and applications, for |
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| 7 | * Linux kernels 2.2.x or 2.4.x. |
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| 8 | * |
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| 9 | * See http://bytesex.org/v4l/ for API specs and other |
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| 10 | * v4l2 documentation. |
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| 11 | * |
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| 12 | * Author: Bill Dirks <bdirks@pacbell.net> |
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| 13 | * Justin Schoeman |
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| 14 | * et al. |
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| 15 | */ |
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| 16 | #include <linux/time.h> /* need struct timeval */ |
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| 17 | |||
| 18 | /* |
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| 19 | * M I S C E L L A N E O U S |
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| 20 | */ |
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| 21 | |||
| 22 | /* Four-character-code (FOURCC) */ |
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| 23 | #define v4l2_fourcc(a,b,c,d)\ |
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| 24 | (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) |
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| 25 | |||
| 26 | /* |
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| 27 | * E N U M S |
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| 28 | */ |
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| 29 | enum v4l2_field { |
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| 30 | V4L2_FIELD_ANY = 0, /* driver can choose from none, |
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| 31 | top, bottom, interlaced |
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| 32 | depending on whatever it thinks |
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| 33 | is approximate ... */ |
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| 34 | V4L2_FIELD_NONE = 1, /* this device has no fields ... */ |
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| 35 | V4L2_FIELD_TOP = 2, /* top field only */ |
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| 36 | V4L2_FIELD_BOTTOM = 3, /* bottom field only */ |
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| 37 | V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ |
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| 38 | V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one |
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| 39 | buffer, top-bottom order */ |
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| 40 | V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ |
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| 41 | V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into |
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| 42 | separate buffers */ |
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| 43 | }; |
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| 44 | #define V4L2_FIELD_HAS_TOP(field) \ |
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| 45 | ((field) == V4L2_FIELD_TOP ||\ |
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| 46 | (field) == V4L2_FIELD_INTERLACED ||\ |
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| 47 | (field) == V4L2_FIELD_SEQ_TB ||\ |
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| 48 | (field) == V4L2_FIELD_SEQ_BT) |
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| 49 | #define V4L2_FIELD_HAS_BOTTOM(field) \ |
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| 50 | ((field) == V4L2_FIELD_BOTTOM ||\ |
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| 51 | (field) == V4L2_FIELD_INTERLACED ||\ |
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| 52 | (field) == V4L2_FIELD_SEQ_TB ||\ |
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| 53 | (field) == V4L2_FIELD_SEQ_BT) |
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| 54 | #define V4L2_FIELD_HAS_BOTH(field) \ |
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| 55 | ((field) == V4L2_FIELD_INTERLACED ||\ |
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| 56 | (field) == V4L2_FIELD_SEQ_TB ||\ |
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| 57 | (field) == V4L2_FIELD_SEQ_BT) |
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| 58 | |||
| 59 | enum v4l2_buf_type { |
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| 60 | V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, |
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| 61 | V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, |
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| 62 | V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, |
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| 63 | V4L2_BUF_TYPE_VBI_CAPTURE = 4, |
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| 64 | V4L2_BUF_TYPE_VBI_OUTPUT = 5, |
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| 65 | V4L2_BUF_TYPE_PRIVATE = 0x80, |
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| 66 | }; |
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| 67 | |||
| 68 | enum v4l2_ctrl_type { |
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| 69 | V4L2_CTRL_TYPE_INTEGER = 1, |
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| 70 | V4L2_CTRL_TYPE_BOOLEAN = 2, |
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| 71 | V4L2_CTRL_TYPE_MENU = 3, |
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| 72 | V4L2_CTRL_TYPE_BUTTON = 4, |
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| 73 | }; |
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| 74 | |||
| 75 | enum v4l2_tuner_type { |
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| 76 | V4L2_TUNER_RADIO = 1, |
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| 77 | V4L2_TUNER_ANALOG_TV = 2, |
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| 78 | }; |
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| 79 | |||
| 80 | enum v4l2_memory { |
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| 81 | V4L2_MEMORY_MMAP = 1, |
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| 82 | V4L2_MEMORY_USERPTR = 2, |
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| 83 | V4L2_MEMORY_OVERLAY = 3, |
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| 84 | }; |
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| 85 | |||
| 86 | /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ |
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| 87 | enum v4l2_colorspace { |
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| 88 | /* ITU-R 601 -- broadcast NTSC/PAL */ |
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| 89 | V4L2_COLORSPACE_SMPTE170M = 1, |
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| 90 | |||
| 91 | /* 1125-Line (US) HDTV */ |
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| 92 | V4L2_COLORSPACE_SMPTE240M = 2, |
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| 93 | |||
| 94 | /* HD and modern captures. */ |
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| 95 | V4L2_COLORSPACE_REC709 = 3, |
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| 96 | |||
| 97 | /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ |
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| 98 | V4L2_COLORSPACE_BT878 = 4, |
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| 99 | |||
| 100 | /* These should be useful. Assume 601 extents. */ |
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| 101 | V4L2_COLORSPACE_470_SYSTEM_M = 5, |
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| 102 | V4L2_COLORSPACE_470_SYSTEM_BG = 6, |
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| 103 | |||
| 104 | /* I know there will be cameras that send this. So, this is |
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| 105 | * unspecified chromaticities and full 0-255 on each of the |
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| 106 | * Y'CbCr components |
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| 107 | */ |
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| 108 | V4L2_COLORSPACE_JPEG = 7, |
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| 109 | |||
| 110 | /* For RGB colourspaces, this is probably a good start. */ |
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| 111 | V4L2_COLORSPACE_SRGB = 8, |
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| 112 | }; |
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| 113 | |||
| 114 | struct v4l2_rect { |
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| 115 | __s32 left; |
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| 116 | __s32 top; |
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| 117 | __s32 width; |
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| 118 | __s32 height; |
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| 119 | }; |
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| 120 | |||
| 121 | struct v4l2_fract { |
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| 122 | __u32 numerator; |
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| 123 | __u32 denominator; |
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| 124 | }; |
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| 125 | |||
| 126 | /* |
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| 127 | * D R I V E R C A P A B I L I T I E S |
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| 128 | */ |
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| 129 | struct v4l2_capability |
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| 130 | { |
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| 131 | __u8 driver[16]; /* i.e. "bttv" */ |
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| 132 | __u8 card[32]; /* i.e. "Hauppauge WinTV" */ |
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| 133 | __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ |
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| 134 | __u32 version; /* should use KERNEL_VERSION() */ |
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| 135 | __u32 capabilities; /* Device capabilities */ |
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| 136 | __u32 reserved[4]; |
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| 137 | }; |
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| 138 | |||
| 139 | /* Values for 'capabilities' field */ |
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| 140 | #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ |
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| 141 | #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ |
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| 142 | #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ |
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| 143 | #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a VBI capture device */ |
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| 144 | #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a VBI output device */ |
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| 145 | #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ |
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| 146 | |||
| 147 | #define V4L2_CAP_TUNER 0x00010000 /* Has a tuner */ |
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| 148 | #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ |
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| 149 | |||
| 150 | #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ |
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| 151 | #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ |
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| 152 | #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ |
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| 153 | |||
| 154 | /* |
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| 155 | * V I D E O I M A G E F O R M A T |
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| 156 | */ |
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| 157 | |||
| 158 | struct v4l2_pix_format |
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| 159 | { |
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| 160 | __u32 width; |
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| 161 | __u32 height; |
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| 162 | __u32 pixelformat; |
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| 163 | enum v4l2_field field; |
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| 164 | __u32 bytesperline; /* for padding, zero if unused */ |
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| 165 | __u32 sizeimage; |
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| 166 | enum v4l2_colorspace colorspace; |
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| 167 | __u32 priv; /* private data, depends on pixelformat */ |
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| 168 | }; |
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| 169 | |||
| 170 | /* Pixel format FOURCC depth Description */ |
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| 171 | #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ |
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| 172 | #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ |
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| 173 | #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ |
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| 174 | #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ |
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| 175 | #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ |
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| 176 | #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ |
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| 177 | #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ |
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| 178 | #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ |
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| 179 | #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ |
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| 180 | #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ |
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| 181 | #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ |
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| 182 | #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ |
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| 183 | #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ |
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| 184 | #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ |
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| 185 | #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ |
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| 186 | #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ |
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| 187 | #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ |
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| 188 | |||
| 189 | /* two planes -- one Y, one Cr + Cb interleaved */ |
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| 190 | #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ |
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| 191 | #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ |
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| 192 | |||
| 193 | /* The following formats are not defined in the V4L2 specification */ |
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| 194 | #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ |
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| 195 | #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ |
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| 196 | #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ |
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| 197 | #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ |
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| 198 | |||
| 199 | /* compressed formats */ |
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| 200 | #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ |
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| 201 | #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ |
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| 202 | #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ |
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| 203 | #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */ |
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| 204 | |||
| 205 | /* Vendor-specific formats */ |
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| 206 | #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compres */ |
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| 207 | |||
| 208 | /* |
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| 209 | * F O R M A T E N U M E R A T I O N |
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| 210 | */ |
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| 211 | struct v4l2_fmtdesc |
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| 212 | { |
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| 213 | __u32 index; /* Format number */ |
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| 214 | enum v4l2_buf_type type; /* buffer type */ |
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| 215 | __u32 flags; |
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| 216 | __u8 description[32]; /* Description string */ |
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| 217 | __u32 pixelformat; /* Format fourcc */ |
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| 218 | __u32 reserved[4]; |
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| 219 | }; |
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| 220 | |||
| 221 | #define V4L2_FMT_FLAG_COMPRESSED 0x0001 |
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| 222 | |||
| 223 | |||
| 224 | /* |
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| 225 | * T I M E C O D E |
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| 226 | */ |
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| 227 | struct v4l2_timecode |
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| 228 | { |
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| 229 | __u32 type; |
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| 230 | __u32 flags; |
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| 231 | __u8 frames; |
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| 232 | __u8 seconds; |
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| 233 | __u8 minutes; |
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| 234 | __u8 hours; |
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| 235 | __u8 userbits[4]; |
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| 236 | }; |
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| 237 | |||
| 238 | /* Type */ |
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| 239 | #define V4L2_TC_TYPE_24FPS 1 |
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| 240 | #define V4L2_TC_TYPE_25FPS 2 |
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| 241 | #define V4L2_TC_TYPE_30FPS 3 |
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| 242 | #define V4L2_TC_TYPE_50FPS 4 |
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| 243 | #define V4L2_TC_TYPE_60FPS 5 |
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| 244 | |||
| 245 | /* Flags */ |
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| 246 | #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ |
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| 247 | #define V4L2_TC_FLAG_COLORFRAME 0x0002 |
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| 248 | #define V4L2_TC_USERBITS_field 0x000C |
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| 249 | #define V4L2_TC_USERBITS_USERDEFINED 0x0000 |
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| 250 | #define V4L2_TC_USERBITS_8BITCHARS 0x0008 |
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| 251 | /* The above is based on SMPTE timecodes */ |
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| 252 | |||
| 253 | |||
| 254 | /* |
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| 255 | * C O M P R E S S I O N P A R A M E T E R S |
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| 256 | */ |
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| 257 | #if 0 |
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| 258 | /* ### generic compression settings don't work, there is too much |
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| 259 | * ### codec-specific stuff. Maybe reuse that for MPEG codec settings |
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| 260 | * ### later ... */ |
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| 261 | struct v4l2_compression |
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| 262 | { |
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| 263 | __u32 quality; |
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| 264 | __u32 keyframerate; |
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| 265 | __u32 pframerate; |
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| 266 | __u32 reserved[5]; |
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| 267 | }; |
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| 268 | #endif |
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| 269 | |||
| 270 | struct v4l2_jpegcompression |
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| 271 | { |
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| 272 | int quality; |
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| 273 | |||
| 274 | int APPn; /* Number of APP segment to be written, |
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| 275 | * must be 0..15 */ |
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| 276 | int APP_len; /* Length of data in JPEG APPn segment */ |
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| 277 | char APP_data[60]; /* Data in the JPEG APPn segment. */ |
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| 278 | |||
| 279 | int COM_len; /* Length of data in JPEG COM segment */ |
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| 280 | char COM_data[60]; /* Data in JPEG COM segment */ |
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| 281 | |||
| 282 | __u32 jpeg_markers; /* Which markers should go into the JPEG |
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| 283 | * output. Unless you exactly know what |
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| 284 | * you do, leave them untouched. |
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| 285 | * Inluding less markers will make the |
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| 286 | * resulting code smaller, but there will |
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| 287 | * be fewer aplications which can read it. |
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| 288 | * The presence of the APP and COM marker |
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| 289 | * is influenced by APP_len and COM_len |
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| 290 | * ONLY, not by this property! */ |
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| 291 | |||
| 292 | #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ |
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| 293 | #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ |
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| 294 | #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ |
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| 295 | #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ |
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| 296 | #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will |
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| 297 | * allways use APP0 */ |
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| 298 | }; |
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| 299 | |||
| 300 | |||
| 301 | /* |
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| 302 | * M E M O R Y - M A P P I N G B U F F E R S |
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| 303 | */ |
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| 304 | struct v4l2_requestbuffers |
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| 305 | { |
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| 306 | __u32 count; |
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| 307 | enum v4l2_buf_type type; |
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| 308 | enum v4l2_memory memory; |
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| 309 | __u32 reserved[2]; |
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| 310 | }; |
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| 311 | |||
| 312 | struct v4l2_buffer |
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| 313 | { |
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| 314 | __u32 index; |
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| 315 | enum v4l2_buf_type type; |
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| 316 | __u32 bytesused; |
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| 317 | __u32 flags; |
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| 318 | enum v4l2_field field; |
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| 319 | struct timeval timestamp; |
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| 320 | struct v4l2_timecode timecode; |
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| 321 | __u32 sequence; |
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| 322 | |||
| 323 | /* memory location */ |
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| 324 | enum v4l2_memory memory; |
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| 325 | union { |
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| 326 | __u32 offset; |
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| 327 | unsigned long userptr; |
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| 328 | } m; |
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| 329 | __u32 length; |
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| 330 | |||
| 331 | __u32 reserved[2]; |
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| 332 | }; |
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| 333 | |||
| 334 | /* Flags for 'flags' field */ |
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| 335 | #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ |
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| 336 | #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ |
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| 337 | #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ |
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| 338 | #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ |
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| 339 | #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ |
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| 340 | #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ |
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| 341 | #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ |
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| 342 | |||
| 343 | /* |
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| 344 | * O V E R L A Y P R E V I E W |
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| 345 | */ |
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| 346 | struct v4l2_framebuffer |
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| 347 | { |
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| 348 | __u32 capability; |
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| 349 | __u32 flags; |
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| 350 | /* FIXME: in theory we should pass something like PCI device + memory |
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| 351 | * region + offset instead of some physical address */ |
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| 352 | void* base; |
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| 353 | struct v4l2_pix_format fmt; |
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| 354 | }; |
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| 355 | /* Flags for the 'capability' field. Read only */ |
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| 356 | #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 |
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| 357 | #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 |
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| 358 | #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 |
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| 359 | #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 |
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| 360 | /* Flags for the 'flags' field. */ |
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| 361 | #define V4L2_FBUF_FLAG_PRIMARY 0x0001 |
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| 362 | #define V4L2_FBUF_FLAG_OVERLAY 0x0002 |
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| 363 | #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 |
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| 364 | |||
| 365 | struct v4l2_clip |
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| 366 | { |
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| 367 | struct v4l2_rect c; |
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| 368 | struct v4l2_clip *next; |
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| 369 | }; |
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| 370 | |||
| 371 | struct v4l2_window |
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| 372 | { |
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| 373 | struct v4l2_rect w; |
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| 374 | enum v4l2_field field; |
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| 375 | __u32 chromakey; |
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| 376 | struct v4l2_clip *clips; |
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| 377 | __u32 clipcount; |
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| 378 | void *bitmap; |
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| 379 | }; |
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| 380 | |||
| 381 | |||
| 382 | /* |
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| 383 | * C A P T U R E P A R A M E T E R S |
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| 384 | */ |
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| 385 | struct v4l2_captureparm |
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| 386 | { |
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| 387 | __u32 capability; /* Supported modes */ |
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| 388 | __u32 capturemode; /* Current mode */ |
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| 389 | struct v4l2_fract timeperframe; /* Time per frame in .1us units */ |
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| 390 | __u32 extendedmode; /* Driver-specific extensions */ |
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| 391 | __u32 readbuffers; /* # of buffers for read */ |
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| 392 | __u32 reserved[4]; |
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| 393 | }; |
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| 394 | /* Flags for 'capability' and 'capturemode' fields */ |
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| 395 | #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ |
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| 396 | #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ |
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| 397 | |||
| 398 | struct v4l2_outputparm |
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| 399 | { |
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| 400 | __u32 capability; /* Supported modes */ |
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| 401 | __u32 outputmode; /* Current mode */ |
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| 402 | struct v4l2_fract timeperframe; /* Time per frame in seconds */ |
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| 403 | __u32 extendedmode; /* Driver-specific extensions */ |
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| 404 | __u32 writebuffers; /* # of buffers for write */ |
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| 405 | __u32 reserved[4]; |
||
| 406 | }; |
||
| 407 | |||
| 408 | /* |
||
| 409 | * I N P U T I M A G E C R O P P I N G |
||
| 410 | */ |
||
| 411 | |||
| 412 | struct v4l2_cropcap { |
||
| 413 | enum v4l2_buf_type type; |
||
| 414 | struct v4l2_rect bounds; |
||
| 415 | struct v4l2_rect defrect; |
||
| 416 | struct v4l2_fract pixelaspect; |
||
| 417 | }; |
||
| 418 | |||
| 419 | struct v4l2_crop { |
||
| 420 | enum v4l2_buf_type type; |
||
| 421 | struct v4l2_rect c; |
||
| 422 | }; |
||
| 423 | |||
| 424 | /* |
||
| 425 | * A N A L O G V I D E O S T A N D A R D |
||
| 426 | */ |
||
| 427 | |||
| 428 | typedef __u64 v4l2_std_id; |
||
| 429 | |||
| 430 | /* one bit for each */ |
||
| 431 | #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) |
||
| 432 | #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) |
||
| 433 | #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) |
||
| 434 | #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) |
||
| 435 | #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) |
||
| 436 | #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) |
||
| 437 | #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) |
||
| 438 | #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) |
||
| 439 | |||
| 440 | #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) |
||
| 441 | #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) |
||
| 442 | #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) |
||
| 443 | #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) |
||
| 444 | |||
| 445 | #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) |
||
| 446 | #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) |
||
| 447 | |||
| 448 | #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) |
||
| 449 | #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) |
||
| 450 | #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) |
||
| 451 | #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) |
||
| 452 | #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) |
||
| 453 | #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) |
||
| 454 | #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) |
||
| 455 | |||
| 456 | /* ATSC/HDTV */ |
||
| 457 | #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) |
||
| 458 | #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) |
||
| 459 | |||
| 460 | /* some common needed stuff */ |
||
| 461 | #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ |
||
| 462 | V4L2_STD_PAL_B1 |\ |
||
| 463 | V4L2_STD_PAL_G) |
||
| 464 | #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ |
||
| 465 | V4L2_STD_PAL_D1 |\ |
||
| 466 | V4L2_STD_PAL_K) |
||
| 467 | #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ |
||
| 468 | V4L2_STD_PAL_DK |\ |
||
| 469 | V4L2_STD_PAL_H |\ |
||
| 470 | V4L2_STD_PAL_I) |
||
| 471 | #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ |
||
| 472 | V4L2_STD_NTSC_M_JP) |
||
| 473 | #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ |
||
| 474 | V4L2_STD_SECAM_D |\ |
||
| 475 | V4L2_STD_SECAM_G |\ |
||
| 476 | V4L2_STD_SECAM_H |\ |
||
| 477 | V4L2_STD_SECAM_K |\ |
||
| 478 | V4L2_STD_SECAM_K1 |\ |
||
| 479 | V4L2_STD_SECAM_L) |
||
| 480 | |||
| 481 | #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ |
||
| 482 | V4L2_STD_PAL_60 |\ |
||
| 483 | V4L2_STD_NTSC) |
||
| 484 | #define V4L2_STD_625_50 (V4L2_STD_PAL |\ |
||
| 485 | V4L2_STD_PAL_N |\ |
||
| 486 | V4L2_STD_PAL_Nc |\ |
||
| 487 | V4L2_STD_SECAM) |
||
| 488 | |||
| 489 | #define V4L2_STD_UNKNOWN 0 |
||
| 490 | #define V4L2_STD_ALL (V4L2_STD_525_60 |\ |
||
| 491 | V4L2_STD_625_50) |
||
| 492 | |||
| 493 | struct v4l2_standard |
||
| 494 | { |
||
| 495 | __u32 index; |
||
| 496 | v4l2_std_id id; |
||
| 497 | __u8 name[24]; |
||
| 498 | struct v4l2_fract frameperiod; /* Frames, not fields */ |
||
| 499 | __u32 framelines; |
||
| 500 | __u32 reserved[4]; |
||
| 501 | }; |
||
| 502 | |||
| 503 | |||
| 504 | /* |
||
| 505 | * V I D E O I N P U T S |
||
| 506 | */ |
||
| 507 | struct v4l2_input |
||
| 508 | { |
||
| 509 | __u32 index; /* Which input */ |
||
| 510 | __u8 name[32]; /* Label */ |
||
| 511 | __u32 type; /* Type of input */ |
||
| 512 | __u32 audioset; /* Associated audios (bitfield) */ |
||
| 513 | __u32 tuner; /* Associated tuner */ |
||
| 514 | v4l2_std_id std; |
||
| 515 | __u32 status; |
||
| 516 | __u32 reserved[4]; |
||
| 517 | }; |
||
| 518 | /* Values for the 'type' field */ |
||
| 519 | #define V4L2_INPUT_TYPE_TUNER 1 |
||
| 520 | #define V4L2_INPUT_TYPE_CAMERA 2 |
||
| 521 | |||
| 522 | /* field 'status' - general */ |
||
| 523 | #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ |
||
| 524 | #define V4L2_IN_ST_NO_SIGNAL 0x00000002 |
||
| 525 | #define V4L2_IN_ST_NO_COLOR 0x00000004 |
||
| 526 | |||
| 527 | /* field 'status' - analog */ |
||
| 528 | #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ |
||
| 529 | #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ |
||
| 530 | |||
| 531 | /* field 'status' - digital */ |
||
| 532 | #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ |
||
| 533 | #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ |
||
| 534 | #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ |
||
| 535 | |||
| 536 | /* field 'status' - VCR and set-top box */ |
||
| 537 | #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ |
||
| 538 | #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ |
||
| 539 | #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ |
||
| 540 | |||
| 541 | /* |
||
| 542 | * V I D E O O U T P U T S |
||
| 543 | */ |
||
| 544 | struct v4l2_output |
||
| 545 | { |
||
| 546 | __u32 index; /* Which output */ |
||
| 547 | __u8 name[32]; /* Label */ |
||
| 548 | __u32 type; /* Type of output */ |
||
| 549 | __u32 audioset; /* Associated audios (bitfield) */ |
||
| 550 | __u32 modulator; /* Associated modulator */ |
||
| 551 | v4l2_std_id std; |
||
| 552 | __u32 reserved[4]; |
||
| 553 | }; |
||
| 554 | /* Values for the 'type' field */ |
||
| 555 | #define V4L2_OUTPUT_TYPE_MODULATOR 1 |
||
| 556 | #define V4L2_OUTPUT_TYPE_ANALOG 2 |
||
| 557 | #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 |
||
| 558 | |||
| 559 | /* |
||
| 560 | * C O N T R O L S |
||
| 561 | */ |
||
| 562 | struct v4l2_control |
||
| 563 | { |
||
| 564 | __u32 id; |
||
| 565 | __s32 value; |
||
| 566 | }; |
||
| 567 | |||
| 568 | /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ |
||
| 569 | struct v4l2_queryctrl |
||
| 570 | { |
||
| 571 | __u32 id; |
||
| 572 | enum v4l2_ctrl_type type; |
||
| 573 | __u8 name[32]; /* Whatever */ |
||
| 574 | __s32 minimum; /* Note signedness */ |
||
| 575 | __s32 maximum; |
||
| 576 | __s32 step; |
||
| 577 | __s32 default_value; |
||
| 578 | __u32 flags; |
||
| 579 | __u32 reserved[2]; |
||
| 580 | }; |
||
| 581 | |||
| 582 | /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ |
||
| 583 | struct v4l2_querymenu |
||
| 584 | { |
||
| 585 | __u32 id; |
||
| 586 | __u32 index; |
||
| 587 | __u8 name[32]; /* Whatever */ |
||
| 588 | __u32 reserved; |
||
| 589 | }; |
||
| 590 | |||
| 591 | /* Control flags */ |
||
| 592 | #define V4L2_CTRL_FLAG_DISABLED 0x0001 |
||
| 593 | #define V4L2_CTRL_FLAG_GRABBED 0x0002 |
||
| 594 | |||
| 595 | /* Control IDs defined by V4L2 */ |
||
| 596 | #define V4L2_CID_BASE 0x00980900 |
||
| 597 | /* IDs reserved for driver specific controls */ |
||
| 598 | #define V4L2_CID_PRIVATE_BASE 0x08000000 |
||
| 599 | |||
| 600 | #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) |
||
| 601 | #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) |
||
| 602 | #define V4L2_CID_SATURATION (V4L2_CID_BASE+2) |
||
| 603 | #define V4L2_CID_HUE (V4L2_CID_BASE+3) |
||
| 604 | #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) |
||
| 605 | #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) |
||
| 606 | #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) |
||
| 607 | #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) |
||
| 608 | #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) |
||
| 609 | #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) |
||
| 610 | #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) |
||
| 611 | #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) |
||
| 612 | #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) |
||
| 613 | #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) |
||
| 614 | #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) |
||
| 615 | #define V4L2_CID_GAMMA (V4L2_CID_BASE+16) |
||
| 616 | #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ |
||
| 617 | #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) |
||
| 618 | #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) |
||
| 619 | #define V4L2_CID_GAIN (V4L2_CID_BASE+19) |
||
| 620 | #define V4L2_CID_HFLIP (V4L2_CID_BASE+20) |
||
| 621 | #define V4L2_CID_VFLIP (V4L2_CID_BASE+21) |
||
| 622 | #define V4L2_CID_HCENTER (V4L2_CID_BASE+22) |
||
| 623 | #define V4L2_CID_VCENTER (V4L2_CID_BASE+23) |
||
| 624 | #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ |
||
| 625 | |||
| 626 | /* |
||
| 627 | * T U N I N G |
||
| 628 | */ |
||
| 629 | struct v4l2_tuner |
||
| 630 | { |
||
| 631 | __u32 index; |
||
| 632 | __u8 name[32]; |
||
| 633 | enum v4l2_tuner_type type; |
||
| 634 | __u32 capability; |
||
| 635 | __u32 rangelow; |
||
| 636 | __u32 rangehigh; |
||
| 637 | __u32 rxsubchans; |
||
| 638 | __u32 audmode; |
||
| 639 | __s32 signal; |
||
| 640 | __s32 afc; |
||
| 641 | __u32 reserved[4]; |
||
| 642 | }; |
||
| 643 | |||
| 644 | struct v4l2_modulator |
||
| 645 | { |
||
| 646 | __u32 index; |
||
| 647 | __u8 name[32]; |
||
| 648 | __u32 capability; |
||
| 649 | __u32 rangelow; |
||
| 650 | __u32 rangehigh; |
||
| 651 | __u32 txsubchans; |
||
| 652 | __u32 reserved[4]; |
||
| 653 | }; |
||
| 654 | |||
| 655 | /* Flags for the 'capability' field */ |
||
| 656 | #define V4L2_TUNER_CAP_LOW 0x0001 |
||
| 657 | #define V4L2_TUNER_CAP_NORM 0x0002 |
||
| 658 | #define V4L2_TUNER_CAP_STEREO 0x0010 |
||
| 659 | #define V4L2_TUNER_CAP_LANG2 0x0020 |
||
| 660 | #define V4L2_TUNER_CAP_SAP 0x0020 |
||
| 661 | #define V4L2_TUNER_CAP_LANG1 0x0040 |
||
| 662 | |||
| 663 | /* Flags for the 'rxsubchans' field */ |
||
| 664 | #define V4L2_TUNER_SUB_MONO 0x0001 |
||
| 665 | #define V4L2_TUNER_SUB_STEREO 0x0002 |
||
| 666 | #define V4L2_TUNER_SUB_LANG2 0x0004 |
||
| 667 | #define V4L2_TUNER_SUB_SAP 0x0004 |
||
| 668 | #define V4L2_TUNER_SUB_LANG1 0x0008 |
||
| 669 | |||
| 670 | /* Values for the 'audmode' field */ |
||
| 671 | #define V4L2_TUNER_MODE_MONO 0x0000 |
||
| 672 | #define V4L2_TUNER_MODE_STEREO 0x0001 |
||
| 673 | #define V4L2_TUNER_MODE_LANG2 0x0002 |
||
| 674 | #define V4L2_TUNER_MODE_SAP 0x0002 |
||
| 675 | #define V4L2_TUNER_MODE_LANG1 0x0003 |
||
| 676 | |||
| 677 | struct v4l2_frequency |
||
| 678 | { |
||
| 679 | __u32 tuner; |
||
| 680 | enum v4l2_tuner_type type; |
||
| 681 | __u32 frequency; |
||
| 682 | __u32 reserved[8]; |
||
| 683 | }; |
||
| 684 | |||
| 685 | /* |
||
| 686 | * A U D I O |
||
| 687 | */ |
||
| 688 | struct v4l2_audio |
||
| 689 | { |
||
| 690 | __u32 index; |
||
| 691 | __u8 name[32]; |
||
| 692 | __u32 capability; |
||
| 693 | __u32 mode; |
||
| 694 | __u32 reserved[2]; |
||
| 695 | }; |
||
| 696 | /* Flags for the 'capability' field */ |
||
| 697 | #define V4L2_AUDCAP_STEREO 0x00001 |
||
| 698 | #define V4L2_AUDCAP_AVL 0x00002 |
||
| 699 | |||
| 700 | /* Flags for the 'mode' field */ |
||
| 701 | #define V4L2_AUDMODE_AVL 0x00001 |
||
| 702 | |||
| 703 | struct v4l2_audioout |
||
| 704 | { |
||
| 705 | __u32 index; |
||
| 706 | __u8 name[32]; |
||
| 707 | __u32 capability; |
||
| 708 | __u32 mode; |
||
| 709 | __u32 reserved[2]; |
||
| 710 | }; |
||
| 711 | |||
| 712 | /* |
||
| 713 | * D A T A S E R V I C E S ( V B I ) |
||
| 714 | * |
||
| 715 | * Data services API by Michael Schimek |
||
| 716 | */ |
||
| 717 | |||
| 718 | struct v4l2_vbi_format |
||
| 719 | { |
||
| 720 | __u32 sampling_rate; /* in 1 Hz */ |
||
| 721 | __u32 offset; |
||
| 722 | __u32 samples_per_line; |
||
| 723 | __u32 sample_format; /* V4L2_PIX_FMT_* */ |
||
| 724 | __s32 start[2]; |
||
| 725 | __u32 count[2]; |
||
| 726 | __u32 flags; /* V4L2_VBI_* */ |
||
| 727 | __u32 reserved[2]; /* must be zero */ |
||
| 728 | }; |
||
| 729 | |||
| 730 | /* VBI flags */ |
||
| 731 | #define V4L2_VBI_UNSYNC (1<< 0) |
||
| 732 | #define V4L2_VBI_INTERLACED (1<< 1) |
||
| 733 | |||
| 734 | |||
| 735 | /* |
||
| 736 | * A G G R E G A T E S T R U C T U R E S |
||
| 737 | */ |
||
| 738 | |||
| 739 | /* Stream data format |
||
| 740 | */ |
||
| 741 | struct v4l2_format |
||
| 742 | { |
||
| 743 | enum v4l2_buf_type type; |
||
| 744 | union |
||
| 745 | { |
||
| 746 | struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE |
||
| 747 | struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY |
||
| 748 | struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE |
||
| 749 | __u8 raw_data[200]; // user-defined |
||
| 750 | } fmt; |
||
| 751 | }; |
||
| 752 | |||
| 753 | |||
| 754 | /* Stream type-dependent parameters |
||
| 755 | */ |
||
| 756 | struct v4l2_streamparm |
||
| 757 | { |
||
| 758 | enum v4l2_buf_type type; |
||
| 759 | union |
||
| 760 | { |
||
| 761 | struct v4l2_captureparm capture; |
||
| 762 | struct v4l2_outputparm output; |
||
| 763 | __u8 raw_data[200]; /* user-defined */ |
||
| 764 | } parm; |
||
| 765 | }; |
||
| 766 | |||
| 767 | |||
| 768 | |||
| 769 | /* |
||
| 770 | * I O C T L C O D E S F O R V I D E O D E V I C E S |
||
| 771 | * |
||
| 772 | */ |
||
| 773 | #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) |
||
| 774 | #define VIDIOC_RESERVED _IO ('V', 1) |
||
| 775 | #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) |
||
| 776 | #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) |
||
| 777 | #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) |
||
| 778 | #if 0 |
||
| 779 | #define VIDIOC_G_COMP _IOR ('V', 6, struct v4l2_compression) |
||
| 780 | #define VIDIOC_S_COMP _IOW ('V', 7, struct v4l2_compression) |
||
| 781 | #endif |
||
| 782 | #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) |
||
| 783 | #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) |
||
| 784 | #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) |
||
| 785 | #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) |
||
| 786 | #define VIDIOC_OVERLAY _IOWR ('V', 14, int) |
||
| 787 | #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) |
||
| 788 | #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) |
||
| 789 | #define VIDIOC_STREAMON _IOW ('V', 18, int) |
||
| 790 | #define VIDIOC_STREAMOFF _IOW ('V', 19, int) |
||
| 791 | #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) |
||
| 792 | #define VIDIOC_S_PARM _IOW ('V', 22, struct v4l2_streamparm) |
||
| 793 | #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) |
||
| 794 | #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) |
||
| 795 | #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) |
||
| 796 | #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) |
||
| 797 | #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) |
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| 798 | #define VIDIOC_S_CTRL _IOW ('V', 28, struct v4l2_control) |
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| 799 | #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) |
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| 800 | #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) |
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| 801 | #define VIDIOC_G_AUDIO _IOWR ('V', 33, struct v4l2_audio) |
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| 802 | #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) |
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| 803 | #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) |
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| 804 | #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) |
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| 805 | #define VIDIOC_G_INPUT _IOR ('V', 38, int) |
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| 806 | #define VIDIOC_S_INPUT _IOWR ('V', 39, int) |
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| 807 | #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) |
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| 808 | #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) |
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| 809 | #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) |
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| 810 | #define VIDIOC_G_AUDOUT _IOWR ('V', 49, struct v4l2_audioout) |
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| 811 | #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) |
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| 812 | #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) |
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| 813 | #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) |
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| 814 | #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) |
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| 815 | #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) |
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| 816 | #define VIDIOC_CROPCAP _IOR ('V', 58, struct v4l2_cropcap) |
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| 817 | #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) |
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| 818 | #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) |
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| 819 | #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) |
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| 820 | #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) |
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| 821 | #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) |
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| 822 | #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) |
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| 823 | |||
| 824 | #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ |
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| 825 | |||
| 826 | |||
| 827 | #ifdef __KERNEL__ |
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| 828 | /* |
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| 829 | * |
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| 830 | * V 4 L 2 D R I V E R H E L P E R A P I |
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| 831 | * |
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| 832 | * Some commonly needed functions for drivers (v4l2-common.o module) |
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| 833 | */ |
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| 834 | #include <linux/fs.h> |
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| 835 | |||
| 836 | /* Video standard functions */ |
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| 837 | extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); |
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| 838 | extern int v4l2_video_std_construct(struct v4l2_standard *vs, |
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| 839 | int id, char *name); |
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| 840 | |||
| 841 | /* Compatibility layer interface */ |
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| 842 | typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, |
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| 843 | unsigned int cmd, void *arg); |
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| 844 | int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, |
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| 845 | int cmd, void *arg, v4l2_kioctl driver_ioctl); |
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| 846 | |||
| 847 | /* names for fancy debug output */ |
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| 848 | extern char *v4l2_field_names[]; |
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| 849 | extern char *v4l2_type_names[]; |
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| 850 | extern char *v4l2_ioctl_names[]; |
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| 851 | |||
| 852 | #endif /* __KERNEL__ */ |
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| 853 | #endif /* __LINUX_VIDEODEV2_H */ |
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| 854 | |||
| 855 | /* |
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| 856 | * Local variables: |
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| 857 | * c-basic-offset: 8 |
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| 858 | * End: |
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| 859 | */ |