| [2] | 1 | #ifndef __LINUX_VIDEODEV2_H |
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| 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 <sys/time.h> /* need struct timeval */ |
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| 17 | #include <asm/types.h> /* needed __u64 */ |
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| 18 | |
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| 19 | /* |
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| 20 | * M I S C E L L A N E O U S |
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| 21 | */ |
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| 22 | |
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| 23 | /* Four-character-code (FOURCC) */ |
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| 24 | #define v4l2_fourcc(a,b,c,d)\ |
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| 25 | (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) |
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| 26 | |
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| 27 | /* |
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| 28 | * E N U M S |
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| 29 | */ |
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| 30 | enum v4l2_field { |
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| 31 | V4L2_FIELD_ANY = 0, /* driver can choose from none, |
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| 32 | top, bottom, interlaced |
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| 33 | depending on whatever it thinks |
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| 34 | is approximate ... */ |
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| 35 | V4L2_FIELD_NONE = 1, /* this device has no fields ... */ |
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| 36 | V4L2_FIELD_TOP = 2, /* top field only */ |
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| 37 | V4L2_FIELD_BOTTOM = 3, /* bottom field only */ |
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| 38 | V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ |
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| 39 | V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one |
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| 40 | buffer, top-bottom order */ |
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| 41 | V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ |
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| 42 | V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into |
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| 43 | separate buffers */ |
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| 44 | }; |
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| 45 | #define V4L2_FIELD_HAS_TOP(field) \ |
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| 46 | ((field) == V4L2_FIELD_TOP ||\ |
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| 47 | (field) == V4L2_FIELD_INTERLACED ||\ |
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| 48 | (field) == V4L2_FIELD_SEQ_TB ||\ |
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| 49 | (field) == V4L2_FIELD_SEQ_BT) |
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| 50 | #define V4L2_FIELD_HAS_BOTTOM(field) \ |
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| 51 | ((field) == V4L2_FIELD_BOTTOM ||\ |
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| 52 | (field) == V4L2_FIELD_INTERLACED ||\ |
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| 53 | (field) == V4L2_FIELD_SEQ_TB ||\ |
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| 54 | (field) == V4L2_FIELD_SEQ_BT) |
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| 55 | #define V4L2_FIELD_HAS_BOTH(field) \ |
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| 56 | ((field) == V4L2_FIELD_INTERLACED ||\ |
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| 57 | (field) == V4L2_FIELD_SEQ_TB ||\ |
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| 58 | (field) == V4L2_FIELD_SEQ_BT) |
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| 59 | |
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| 60 | enum v4l2_buf_type { |
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| 61 | V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, |
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| 62 | V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, |
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| 63 | V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, |
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| 64 | V4L2_BUF_TYPE_VBI_CAPTURE = 4, |
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| 65 | V4L2_BUF_TYPE_VBI_OUTPUT = 5, |
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| 66 | V4L2_BUF_TYPE_PRIVATE = 0x80, |
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| 67 | }; |
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| 68 | |
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| 69 | enum v4l2_ctrl_type { |
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| 70 | V4L2_CTRL_TYPE_INTEGER = 1, |
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| 71 | V4L2_CTRL_TYPE_BOOLEAN = 2, |
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| 72 | V4L2_CTRL_TYPE_MENU = 3, |
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| 73 | V4L2_CTRL_TYPE_BUTTON = 4, |
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| 74 | }; |
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| 75 | |
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| 76 | enum v4l2_tuner_type { |
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| 77 | V4L2_TUNER_RADIO = 1, |
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| 78 | V4L2_TUNER_ANALOG_TV = 2, |
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| 79 | V4L2_TUNER_DIGITAL_TV = 3, |
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| 80 | }; |
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| 81 | |
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| 82 | enum v4l2_memory { |
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| 83 | V4L2_MEMORY_MMAP = 1, |
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| 84 | V4L2_MEMORY_USERPTR = 2, |
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| 85 | V4L2_MEMORY_OVERLAY = 3, |
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| 86 | }; |
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| 87 | |
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| 88 | /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ |
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| 89 | enum v4l2_colorspace { |
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| 90 | /* ITU-R 601 -- broadcast NTSC/PAL */ |
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| 91 | V4L2_COLORSPACE_SMPTE170M = 1, |
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| 92 | |
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| 93 | /* 1125-Line (US) HDTV */ |
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| 94 | V4L2_COLORSPACE_SMPTE240M = 2, |
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| 95 | |
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| 96 | /* HD and modern captures. */ |
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| 97 | V4L2_COLORSPACE_REC709 = 3, |
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| 98 | |
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| 99 | /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ |
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| 100 | V4L2_COLORSPACE_BT878 = 4, |
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| 101 | |
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| 102 | /* These should be useful. Assume 601 extents. */ |
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| 103 | V4L2_COLORSPACE_470_SYSTEM_M = 5, |
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| 104 | V4L2_COLORSPACE_470_SYSTEM_BG = 6, |
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| 105 | |
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| 106 | /* I know there will be cameras that send this. So, this is |
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| 107 | * unspecified chromaticities and full 0-255 on each of the |
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| 108 | * Y'CbCr components |
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| 109 | */ |
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| 110 | V4L2_COLORSPACE_JPEG = 7, |
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| 111 | |
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| 112 | /* For RGB colourspaces, this is probably a good start. */ |
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| 113 | V4L2_COLORSPACE_SRGB = 8, |
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| 114 | }; |
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| 115 | |
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| 116 | enum v4l2_priority { |
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| 117 | V4L2_PRIORITY_UNSET = 0, /* not initialized */ |
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| 118 | V4L2_PRIORITY_BACKGROUND = 1, |
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| 119 | V4L2_PRIORITY_INTERACTIVE = 2, |
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| 120 | V4L2_PRIORITY_RECORD = 3, |
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| 121 | V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, |
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| 122 | }; |
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| 123 | |
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| 124 | struct v4l2_rect { |
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| 125 | __s32 left; |
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| 126 | __s32 top; |
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| 127 | __s32 width; |
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| 128 | __s32 height; |
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| 129 | }; |
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| 130 | |
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| 131 | struct v4l2_fract { |
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| 132 | __u32 numerator; |
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| 133 | __u32 denominator; |
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| 134 | }; |
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| 135 | |
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| 136 | /* |
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| 137 | * D R I V E R C A P A B I L I T I E S |
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| 138 | */ |
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| 139 | struct v4l2_capability |
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| 140 | { |
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| 141 | __u8 driver[16]; /* i.e. "bttv" */ |
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| 142 | __u8 card[32]; /* i.e. "Hauppauge WinTV" */ |
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| 143 | __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ |
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| 144 | __u32 version; /* should use KERNEL_VERSION() */ |
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| 145 | __u32 capabilities; /* Device capabilities */ |
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| 146 | __u32 reserved[4]; |
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| 147 | }; |
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| 148 | |
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| 149 | /* Values for 'capabilities' field */ |
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| 150 | #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ |
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| 151 | #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ |
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| 152 | #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ |
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| 153 | #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a VBI capture device */ |
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| 154 | #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a VBI output device */ |
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| 155 | #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ |
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| 156 | |
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| 157 | #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ |
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| 158 | #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ |
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| 159 | #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ |
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| 160 | |
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| 161 | #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ |
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| 162 | #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ |
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| 163 | #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ |
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| 164 | |
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| 165 | /* |
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| 166 | * V I D E O I M A G E F O R M A T |
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| 167 | */ |
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| 168 | |
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| 169 | struct v4l2_pix_format |
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| 170 | { |
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| 171 | __u32 width; |
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| 172 | __u32 height; |
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| 173 | __u32 pixelformat; |
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| 174 | enum v4l2_field field; |
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| 175 | __u32 bytesperline; /* for padding, zero if unused */ |
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| 176 | __u32 sizeimage; |
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| 177 | enum v4l2_colorspace colorspace; |
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| 178 | __u32 priv; /* private data, depends on pixelformat */ |
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| 179 | }; |
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| 180 | |
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| 181 | /* Pixel format FOURCC depth Description */ |
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| 182 | #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ |
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| 183 | #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ |
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| 184 | #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ |
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| 185 | #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ |
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| 186 | #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ |
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| 187 | #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ |
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| 188 | #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ |
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| 189 | #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ |
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| 190 | #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ |
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| 191 | #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ |
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| 192 | #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ |
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| 193 | #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ |
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| 194 | #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ |
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| 195 | #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ |
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| 196 | #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ |
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| 197 | #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ |
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| 198 | #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ |
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| 199 | |
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| 200 | /* two planes -- one Y, one Cr + Cb interleaved */ |
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| 201 | #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ |
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| 202 | #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ |
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| 203 | |
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| 204 | /* The following formats are not defined in the V4L2 specification */ |
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| 205 | #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ |
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| 206 | #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ |
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| 207 | #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ |
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| 208 | #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ |
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| 209 | |
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| 210 | /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ |
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| 211 | #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */ |
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| 212 | |
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| 213 | /* compressed formats */ |
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| 214 | #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ |
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| 215 | #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ |
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| 216 | #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ |
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| 217 | #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */ |
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| 218 | |
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| 219 | /* Vendor-specific formats */ |
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| 220 | #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ |
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| 221 | #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ |
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| 222 | |
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| 223 | /* |
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| 224 | * F O R M A T E N U M E R A T I O N |
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| 225 | */ |
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| 226 | struct v4l2_fmtdesc |
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| 227 | { |
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| 228 | __u32 index; /* Format number */ |
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| 229 | enum v4l2_buf_type type; /* buffer type */ |
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| 230 | __u32 flags; |
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| 231 | __u8 description[32]; /* Description string */ |
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| 232 | __u32 pixelformat; /* Format fourcc */ |
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| 233 | __u32 reserved[4]; |
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| 234 | }; |
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| 235 | |
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| 236 | #define V4L2_FMT_FLAG_COMPRESSED 0x0001 |
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| 237 | |
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| 238 | |
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| 239 | /* |
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| 240 | * T I M E C O D E |
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| 241 | */ |
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| 242 | struct v4l2_timecode |
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| 243 | { |
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| 244 | __u32 type; |
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| 245 | __u32 flags; |
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| 246 | __u8 frames; |
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| 247 | __u8 seconds; |
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| 248 | __u8 minutes; |
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| 249 | __u8 hours; |
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| 250 | __u8 userbits[4]; |
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| 251 | }; |
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| 252 | |
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| 253 | /* Type */ |
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| 254 | #define V4L2_TC_TYPE_24FPS 1 |
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| 255 | #define V4L2_TC_TYPE_25FPS 2 |
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| 256 | #define V4L2_TC_TYPE_30FPS 3 |
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| 257 | #define V4L2_TC_TYPE_50FPS 4 |
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| 258 | #define V4L2_TC_TYPE_60FPS 5 |
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| 259 | |
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| 260 | /* Flags */ |
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| 261 | #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ |
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| 262 | #define V4L2_TC_FLAG_COLORFRAME 0x0002 |
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| 263 | #define V4L2_TC_USERBITS_field 0x000C |
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| 264 | #define V4L2_TC_USERBITS_USERDEFINED 0x0000 |
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| 265 | #define V4L2_TC_USERBITS_8BITCHARS 0x0008 |
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| 266 | /* The above is based on SMPTE timecodes */ |
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| 267 | |
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| 268 | |
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| 269 | #if 1 |
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| 270 | /* |
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| 271 | * M P E G 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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| 272 | * |
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| 273 | * ### WARNING: this is still work-in-progress right now, most likely |
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| 274 | * ### there will be some incompatible changes. |
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| 275 | * |
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| 276 | */ |
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| 277 | |
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| 278 | |
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| 279 | enum v4l2_bitrate_mode { |
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| 280 | V4L2_BITRATE_NONE = 0, /* not specified */ |
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| 281 | V4L2_BITRATE_CBR, /* constant bitrate */ |
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| 282 | V4L2_BITRATE_VBR, /* variable bitrate */ |
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| 283 | }; |
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| 284 | struct v4l2_bitrate { |
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| 285 | /* rates are specified in kbit/sec */ |
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| 286 | enum v4l2_bitrate_mode mode; |
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| 287 | __u32 min; |
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| 288 | __u32 target; /* use this one for CBR */ |
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| 289 | __u32 max; |
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| 290 | }; |
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| 291 | |
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| 292 | enum v4l2_mpeg_streamtype { |
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| 293 | V4L2_MPEG_SS_1, /* MPEG-1 system stream */ |
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| 294 | V4L2_MPEG_PS_2, /* MPEG-2 program stream */ |
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| 295 | V4L2_MPEG_TS_2, /* MPEG-2 transport stream */ |
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| 296 | V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */ |
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| 297 | }; |
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| 298 | enum v4l2_mpeg_audiotype { |
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| 299 | V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */ |
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| 300 | V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */ |
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| 301 | V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */ |
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| 302 | V4L2_MPEG_AC3, /* AC3 */ |
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| 303 | V4L2_MPEG_LPCM, /* LPCM */ |
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| 304 | }; |
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| 305 | enum v4l2_mpeg_videotype { |
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| 306 | V4L2_MPEG_VI_1, /* MPEG-1 */ |
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| 307 | V4L2_MPEG_VI_2, /* MPEG-2 */ |
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| 308 | }; |
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| 309 | enum v4l2_mpeg_aspectratio { |
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| 310 | V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */ |
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| 311 | V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */ |
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| 312 | V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */ |
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| 313 | V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */ |
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| 314 | }; |
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| 315 | |
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| 316 | struct v4l2_mpeg_compression { |
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| 317 | /* general */ |
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| 318 | enum v4l2_mpeg_streamtype st_type; |
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| 319 | struct v4l2_bitrate st_bitrate; |
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| 320 | |
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| 321 | /* transport streams */ |
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| 322 | __u16 ts_pid_pmt; |
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| 323 | __u16 ts_pid_audio; |
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| 324 | __u16 ts_pid_video; |
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| 325 | __u16 ts_pid_pcr; |
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| 326 | |
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| 327 | /* program stream */ |
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| 328 | __u16 ps_size; |
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| 329 | __u16 reserved_1; /* align */ |
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| 330 | |
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| 331 | /* audio */ |
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| 332 | enum v4l2_mpeg_audiotype au_type; |
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| 333 | struct v4l2_bitrate au_bitrate; |
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| 334 | __u32 au_sample_rate; |
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| 335 | __u8 au_pesid; |
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| 336 | __u8 reserved_2[3]; /* align */ |
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| 337 | |
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| 338 | /* video */ |
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| 339 | enum v4l2_mpeg_videotype vi_type; |
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| 340 | enum v4l2_mpeg_aspectratio vi_aspect_ratio; |
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| 341 | struct v4l2_bitrate vi_bitrate; |
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| 342 | __u32 vi_frame_rate; |
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| 343 | __u16 vi_frames_per_gop; |
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| 344 | __u16 vi_bframes_count; |
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| 345 | __u8 vi_pesid; |
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| 346 | __u8 reserved_3[3]; /* align */ |
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| 347 | |
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| 348 | /* misc flags */ |
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| 349 | __u32 closed_gops:1; |
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| 350 | __u32 pulldown:1; |
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| 351 | __u32 reserved_4:30; /* align */ |
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| 352 | |
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| 353 | /* I don't expect the above being perfect yet ;) */ |
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| 354 | __u32 reserved_5[8]; |
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| 355 | }; |
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| 356 | #endif |
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| 357 | |
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| 358 | struct v4l2_jpegcompression |
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| 359 | { |
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| 360 | int quality; |
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| 361 | |
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| 362 | int APPn; /* Number of APP segment to be written, |
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| 363 | * must be 0..15 */ |
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| 364 | int APP_len; /* Length of data in JPEG APPn segment */ |
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| 365 | char APP_data[60]; /* Data in the JPEG APPn segment. */ |
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| 366 | |
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| 367 | int COM_len; /* Length of data in JPEG COM segment */ |
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| 368 | char COM_data[60]; /* Data in JPEG COM segment */ |
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| 369 | |
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| 370 | __u32 jpeg_markers; /* Which markers should go into the JPEG |
|---|
| 371 | * output. Unless you exactly know what |
|---|
| 372 | * you do, leave them untouched. |
|---|
| 373 | * Inluding less markers will make the |
|---|
| 374 | * resulting code smaller, but there will |
|---|
| 375 | * be fewer aplications which can read it. |
|---|
| 376 | * The presence of the APP and COM marker |
|---|
| 377 | * is influenced by APP_len and COM_len |
|---|
| 378 | * ONLY, not by this property! */ |
|---|
| 379 | |
|---|
| 380 | #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ |
|---|
| 381 | #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ |
|---|
| 382 | #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ |
|---|
| 383 | #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ |
|---|
| 384 | #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will |
|---|
| 385 | * allways use APP0 */ |
|---|
| 386 | }; |
|---|
| 387 | |
|---|
| 388 | |
|---|
| 389 | /* |
|---|
| 390 | * M E M O R Y - M A P P I N G B U F F E R S |
|---|
| 391 | */ |
|---|
| 392 | struct v4l2_requestbuffers |
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| 393 | { |
|---|
| 394 | __u32 count; |
|---|
| 395 | enum v4l2_buf_type type; |
|---|
| 396 | enum v4l2_memory memory; |
|---|
| 397 | __u32 reserved[2]; |
|---|
| 398 | }; |
|---|
| 399 | |
|---|
| 400 | struct v4l2_buffer |
|---|
| 401 | { |
|---|
| 402 | __u32 index; |
|---|
| 403 | enum v4l2_buf_type type; |
|---|
| 404 | __u32 bytesused; |
|---|
| 405 | __u32 flags; |
|---|
| 406 | enum v4l2_field field; |
|---|
| 407 | struct timeval timestamp; |
|---|
| 408 | struct v4l2_timecode timecode; |
|---|
| 409 | __u32 sequence; |
|---|
| 410 | |
|---|
| 411 | /* memory location */ |
|---|
| 412 | enum v4l2_memory memory; |
|---|
| 413 | union { |
|---|
| 414 | __u32 offset; |
|---|
| 415 | unsigned long userptr; |
|---|
| 416 | } m; |
|---|
| 417 | __u32 length; |
|---|
| 418 | __u32 input; |
|---|
| 419 | __u32 reserved; |
|---|
| 420 | }; |
|---|
| 421 | |
|---|
| 422 | /* Flags for 'flags' field */ |
|---|
| 423 | #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ |
|---|
| 424 | #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ |
|---|
| 425 | #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ |
|---|
| 426 | #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ |
|---|
| 427 | #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ |
|---|
| 428 | #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ |
|---|
| 429 | #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ |
|---|
| 430 | #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ |
|---|
| 431 | |
|---|
| 432 | /* |
|---|
| 433 | * O V E R L A Y P R E V I E W |
|---|
| 434 | */ |
|---|
| 435 | struct v4l2_framebuffer |
|---|
| 436 | { |
|---|
| 437 | __u32 capability; |
|---|
| 438 | __u32 flags; |
|---|
| 439 | /* FIXME: in theory we should pass something like PCI device + memory |
|---|
| 440 | * region + offset instead of some physical address */ |
|---|
| 441 | void* base; |
|---|
| 442 | struct v4l2_pix_format fmt; |
|---|
| 443 | }; |
|---|
| 444 | /* Flags for the 'capability' field. Read only */ |
|---|
| 445 | #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 |
|---|
| 446 | #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 |
|---|
| 447 | #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 |
|---|
| 448 | #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 |
|---|
| 449 | /* Flags for the 'flags' field. */ |
|---|
| 450 | #define V4L2_FBUF_FLAG_PRIMARY 0x0001 |
|---|
| 451 | #define V4L2_FBUF_FLAG_OVERLAY 0x0002 |
|---|
| 452 | #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 |
|---|
| 453 | |
|---|
| 454 | struct v4l2_clip |
|---|
| 455 | { |
|---|
| 456 | struct v4l2_rect c; |
|---|
| 457 | struct v4l2_clip *next; |
|---|
| 458 | }; |
|---|
| 459 | |
|---|
| 460 | struct v4l2_window |
|---|
| 461 | { |
|---|
| 462 | struct v4l2_rect w; |
|---|
| 463 | enum v4l2_field field; |
|---|
| 464 | __u32 chromakey; |
|---|
| 465 | struct v4l2_clip *clips; |
|---|
| 466 | __u32 clipcount; |
|---|
| 467 | void *bitmap; |
|---|
| 468 | }; |
|---|
| 469 | |
|---|
| 470 | |
|---|
| 471 | /* |
|---|
| 472 | * C A P T U R E P A R A M E T E R S |
|---|
| 473 | */ |
|---|
| 474 | struct v4l2_captureparm |
|---|
| 475 | { |
|---|
| 476 | __u32 capability; /* Supported modes */ |
|---|
| 477 | __u32 capturemode; /* Current mode */ |
|---|
| 478 | struct v4l2_fract timeperframe; /* Time per frame in .1us units */ |
|---|
| 479 | __u32 extendedmode; /* Driver-specific extensions */ |
|---|
| 480 | __u32 readbuffers; /* # of buffers for read */ |
|---|
| 481 | __u32 reserved[4]; |
|---|
| 482 | }; |
|---|
| 483 | /* Flags for 'capability' and 'capturemode' fields */ |
|---|
| 484 | #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ |
|---|
| 485 | #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ |
|---|
| 486 | |
|---|
| 487 | struct v4l2_outputparm |
|---|
| 488 | { |
|---|
| 489 | __u32 capability; /* Supported modes */ |
|---|
| 490 | __u32 outputmode; /* Current mode */ |
|---|
| 491 | struct v4l2_fract timeperframe; /* Time per frame in seconds */ |
|---|
| 492 | __u32 extendedmode; /* Driver-specific extensions */ |
|---|
| 493 | __u32 writebuffers; /* # of buffers for write */ |
|---|
| 494 | __u32 reserved[4]; |
|---|
| 495 | }; |
|---|
| 496 | |
|---|
| 497 | /* |
|---|
| 498 | * I N P U T I M A G E C R O P P I N G |
|---|
| 499 | */ |
|---|
| 500 | |
|---|
| 501 | struct v4l2_cropcap { |
|---|
| 502 | enum v4l2_buf_type type; |
|---|
| 503 | struct v4l2_rect bounds; |
|---|
| 504 | struct v4l2_rect defrect; |
|---|
| 505 | struct v4l2_fract pixelaspect; |
|---|
| 506 | }; |
|---|
| 507 | |
|---|
| 508 | struct v4l2_crop { |
|---|
| 509 | enum v4l2_buf_type type; |
|---|
| 510 | struct v4l2_rect c; |
|---|
| 511 | }; |
|---|
| 512 | |
|---|
| 513 | /* |
|---|
| 514 | * A N A L O G V I D E O S T A N D A R D |
|---|
| 515 | */ |
|---|
| 516 | |
|---|
| 517 | typedef __u64 v4l2_std_id; |
|---|
| 518 | |
|---|
| 519 | /* one bit for each */ |
|---|
| 520 | #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) |
|---|
| 521 | #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) |
|---|
| 522 | #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) |
|---|
| 523 | #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) |
|---|
| 524 | #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) |
|---|
| 525 | #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) |
|---|
| 526 | #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) |
|---|
| 527 | #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) |
|---|
| 528 | |
|---|
| 529 | #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) |
|---|
| 530 | #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) |
|---|
| 531 | #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) |
|---|
| 532 | #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) |
|---|
| 533 | |
|---|
| 534 | #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) |
|---|
| 535 | #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) |
|---|
| 536 | |
|---|
| 537 | #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) |
|---|
| 538 | #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) |
|---|
| 539 | #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) |
|---|
| 540 | #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) |
|---|
| 541 | #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) |
|---|
| 542 | #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) |
|---|
| 543 | #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) |
|---|
| 544 | |
|---|
| 545 | /* ATSC/HDTV */ |
|---|
| 546 | #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) |
|---|
| 547 | #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) |
|---|
| 548 | |
|---|
| 549 | /* some common needed stuff */ |
|---|
| 550 | #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ |
|---|
| 551 | V4L2_STD_PAL_B1 |\ |
|---|
| 552 | V4L2_STD_PAL_G) |
|---|
| 553 | #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ |
|---|
| 554 | V4L2_STD_PAL_D1 |\ |
|---|
| 555 | V4L2_STD_PAL_K) |
|---|
| 556 | #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ |
|---|
| 557 | V4L2_STD_PAL_DK |\ |
|---|
| 558 | V4L2_STD_PAL_H |\ |
|---|
| 559 | V4L2_STD_PAL_I) |
|---|
| 560 | #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ |
|---|
| 561 | V4L2_STD_NTSC_M_JP) |
|---|
| 562 | #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ |
|---|
| 563 | V4L2_STD_SECAM_K |\ |
|---|
| 564 | V4L2_STD_SECAM_K1) |
|---|
| 565 | #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ |
|---|
| 566 | V4L2_STD_SECAM_G |\ |
|---|
| 567 | V4L2_STD_SECAM_H |\ |
|---|
| 568 | V4L2_STD_SECAM_DK |\ |
|---|
| 569 | V4L2_STD_SECAM_L) |
|---|
| 570 | |
|---|
| 571 | #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ |
|---|
| 572 | V4L2_STD_PAL_60 |\ |
|---|
| 573 | V4L2_STD_NTSC) |
|---|
| 574 | #define V4L2_STD_625_50 (V4L2_STD_PAL |\ |
|---|
| 575 | V4L2_STD_PAL_N |\ |
|---|
| 576 | V4L2_STD_PAL_Nc |\ |
|---|
| 577 | V4L2_STD_SECAM) |
|---|
| 578 | #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ |
|---|
| 579 | V4L2_STD_ATSC_16_VSB) |
|---|
| 580 | |
|---|
| 581 | #define V4L2_STD_UNKNOWN 0 |
|---|
| 582 | #define V4L2_STD_ALL (V4L2_STD_525_60 |\ |
|---|
| 583 | V4L2_STD_625_50) |
|---|
| 584 | |
|---|
| 585 | struct v4l2_standard |
|---|
| 586 | { |
|---|
| 587 | __u32 index; |
|---|
| 588 | v4l2_std_id id; |
|---|
| 589 | __u8 name[24]; |
|---|
| 590 | struct v4l2_fract frameperiod; /* Frames, not fields */ |
|---|
| 591 | __u32 framelines; |
|---|
| 592 | __u32 reserved[4]; |
|---|
| 593 | }; |
|---|
| 594 | |
|---|
| 595 | |
|---|
| 596 | /* |
|---|
| 597 | * V I D E O I N P U T S |
|---|
| 598 | */ |
|---|
| 599 | struct v4l2_input |
|---|
| 600 | { |
|---|
| 601 | __u32 index; /* Which input */ |
|---|
| 602 | __u8 name[32]; /* Label */ |
|---|
| 603 | __u32 type; /* Type of input */ |
|---|
| 604 | __u32 audioset; /* Associated audios (bitfield) */ |
|---|
| 605 | __u32 tuner; /* Associated tuner */ |
|---|
| 606 | v4l2_std_id std; |
|---|
| 607 | __u32 status; |
|---|
| 608 | __u32 reserved[4]; |
|---|
| 609 | }; |
|---|
| 610 | /* Values for the 'type' field */ |
|---|
| 611 | #define V4L2_INPUT_TYPE_TUNER 1 |
|---|
| 612 | #define V4L2_INPUT_TYPE_CAMERA 2 |
|---|
| 613 | |
|---|
| 614 | /* field 'status' - general */ |
|---|
| 615 | #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ |
|---|
| 616 | #define V4L2_IN_ST_NO_SIGNAL 0x00000002 |
|---|
| 617 | #define V4L2_IN_ST_NO_COLOR 0x00000004 |
|---|
| 618 | |
|---|
| 619 | /* field 'status' - analog */ |
|---|
| 620 | #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ |
|---|
| 621 | #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ |
|---|
| 622 | |
|---|
| 623 | /* field 'status' - digital */ |
|---|
| 624 | #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ |
|---|
| 625 | #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ |
|---|
| 626 | #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ |
|---|
| 627 | |
|---|
| 628 | /* field 'status' - VCR and set-top box */ |
|---|
| 629 | #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ |
|---|
| 630 | #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ |
|---|
| 631 | #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ |
|---|
| 632 | |
|---|
| 633 | /* |
|---|
| 634 | * V I D E O O U T P U T S |
|---|
| 635 | */ |
|---|
| 636 | struct v4l2_output |
|---|
| 637 | { |
|---|
| 638 | __u32 index; /* Which output */ |
|---|
| 639 | __u8 name[32]; /* Label */ |
|---|
| 640 | __u32 type; /* Type of output */ |
|---|
| 641 | __u32 audioset; /* Associated audios (bitfield) */ |
|---|
| 642 | __u32 modulator; /* Associated modulator */ |
|---|
| 643 | v4l2_std_id std; |
|---|
| 644 | __u32 reserved[4]; |
|---|
| 645 | }; |
|---|
| 646 | /* Values for the 'type' field */ |
|---|
| 647 | #define V4L2_OUTPUT_TYPE_MODULATOR 1 |
|---|
| 648 | #define V4L2_OUTPUT_TYPE_ANALOG 2 |
|---|
| 649 | #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 |
|---|
| 650 | |
|---|
| 651 | /* |
|---|
| 652 | * C O N T R O L S |
|---|
| 653 | */ |
|---|
| 654 | struct v4l2_control |
|---|
| 655 | { |
|---|
| 656 | __u32 id; |
|---|
| 657 | __s32 value; |
|---|
| 658 | }; |
|---|
| 659 | |
|---|
| 660 | /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ |
|---|
| 661 | struct v4l2_queryctrl |
|---|
| 662 | { |
|---|
| 663 | __u32 id; |
|---|
| 664 | enum v4l2_ctrl_type type; |
|---|
| 665 | __u8 name[32]; /* Whatever */ |
|---|
| 666 | __s32 minimum; /* Note signedness */ |
|---|
| 667 | __s32 maximum; |
|---|
| 668 | __s32 step; |
|---|
| 669 | __s32 default_value; |
|---|
| 670 | __u32 flags; |
|---|
| 671 | __u32 reserved[2]; |
|---|
| 672 | }; |
|---|
| 673 | |
|---|
| 674 | /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ |
|---|
| 675 | struct v4l2_querymenu |
|---|
| 676 | { |
|---|
| 677 | __u32 id; |
|---|
| 678 | __u32 index; |
|---|
| 679 | __u8 name[32]; /* Whatever */ |
|---|
| 680 | __u32 reserved; |
|---|
| 681 | }; |
|---|
| 682 | |
|---|
| 683 | /* Control flags */ |
|---|
| 684 | #define V4L2_CTRL_FLAG_DISABLED 0x0001 |
|---|
| 685 | #define V4L2_CTRL_FLAG_GRABBED 0x0002 |
|---|
| 686 | |
|---|
| 687 | /* Control IDs defined by V4L2 */ |
|---|
| 688 | #define V4L2_CID_BASE 0x00980900 |
|---|
| 689 | /* IDs reserved for driver specific controls */ |
|---|
| 690 | #define V4L2_CID_PRIVATE_BASE 0x08000000 |
|---|
| 691 | |
|---|
| 692 | #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) |
|---|
| 693 | #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) |
|---|
| 694 | #define V4L2_CID_SATURATION (V4L2_CID_BASE+2) |
|---|
| 695 | #define V4L2_CID_HUE (V4L2_CID_BASE+3) |
|---|
| 696 | #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) |
|---|
| 697 | #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) |
|---|
| 698 | #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) |
|---|
| 699 | #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) |
|---|
| 700 | #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) |
|---|
| 701 | #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) |
|---|
| 702 | #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) |
|---|
| 703 | #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) |
|---|
| 704 | #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) |
|---|
| 705 | #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) |
|---|
| 706 | #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) |
|---|
| 707 | #define V4L2_CID_GAMMA (V4L2_CID_BASE+16) |
|---|
| 708 | #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ |
|---|
| 709 | #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) |
|---|
| 710 | #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) |
|---|
| 711 | #define V4L2_CID_GAIN (V4L2_CID_BASE+19) |
|---|
| 712 | #define V4L2_CID_HFLIP (V4L2_CID_BASE+20) |
|---|
| 713 | #define V4L2_CID_VFLIP (V4L2_CID_BASE+21) |
|---|
| 714 | #define V4L2_CID_HCENTER (V4L2_CID_BASE+22) |
|---|
| 715 | #define V4L2_CID_VCENTER (V4L2_CID_BASE+23) |
|---|
| 716 | #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ |
|---|
| 717 | |
|---|
| 718 | /* |
|---|
| 719 | * T U N I N G |
|---|
| 720 | */ |
|---|
| 721 | struct v4l2_tuner |
|---|
| 722 | { |
|---|
| 723 | __u32 index; |
|---|
| 724 | __u8 name[32]; |
|---|
| 725 | enum v4l2_tuner_type type; |
|---|
| 726 | __u32 capability; |
|---|
| 727 | __u32 rangelow; |
|---|
| 728 | __u32 rangehigh; |
|---|
| 729 | __u32 rxsubchans; |
|---|
| 730 | __u32 audmode; |
|---|
| 731 | __s32 signal; |
|---|
| 732 | __s32 afc; |
|---|
| 733 | __u32 reserved[4]; |
|---|
| 734 | }; |
|---|
| 735 | |
|---|
| 736 | struct v4l2_modulator |
|---|
| 737 | { |
|---|
| 738 | __u32 index; |
|---|
| 739 | __u8 name[32]; |
|---|
| 740 | __u32 capability; |
|---|
| 741 | __u32 rangelow; |
|---|
| 742 | __u32 rangehigh; |
|---|
| 743 | __u32 txsubchans; |
|---|
| 744 | __u32 reserved[4]; |
|---|
| 745 | }; |
|---|
| 746 | |
|---|
| 747 | /* Flags for the 'capability' field */ |
|---|
| 748 | #define V4L2_TUNER_CAP_LOW 0x0001 |
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| 749 | #define V4L2_TUNER_CAP_NORM 0x0002 |
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| 750 | #define V4L2_TUNER_CAP_STEREO 0x0010 |
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| 751 | #define V4L2_TUNER_CAP_LANG2 0x0020 |
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| 752 | #define V4L2_TUNER_CAP_SAP 0x0020 |
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| 753 | #define V4L2_TUNER_CAP_LANG1 0x0040 |
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| 754 | |
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| 755 | /* Flags for the 'rxsubchans' field */ |
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| 756 | #define V4L2_TUNER_SUB_MONO 0x0001 |
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| 757 | #define V4L2_TUNER_SUB_STEREO 0x0002 |
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| 758 | #define V4L2_TUNER_SUB_LANG2 0x0004 |
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| 759 | #define V4L2_TUNER_SUB_SAP 0x0004 |
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| 760 | #define V4L2_TUNER_SUB_LANG1 0x0008 |
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| 761 | |
|---|
| 762 | /* Values for the 'audmode' field */ |
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| 763 | #define V4L2_TUNER_MODE_MONO 0x0000 |
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| 764 | #define V4L2_TUNER_MODE_STEREO 0x0001 |
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| 765 | #define V4L2_TUNER_MODE_LANG2 0x0002 |
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| 766 | #define V4L2_TUNER_MODE_SAP 0x0002 |
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| 767 | #define V4L2_TUNER_MODE_LANG1 0x0003 |
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| 768 | |
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| 769 | struct v4l2_frequency |
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| 770 | { |
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| 771 | __u32 tuner; |
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| 772 | enum v4l2_tuner_type type; |
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| 773 | __u32 frequency; |
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| 774 | __u32 reserved[8]; |
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| 775 | }; |
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| 776 | |
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| 777 | /* |
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| 778 | * A U D I O |
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| 779 | */ |
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| 780 | struct v4l2_audio |
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| 781 | { |
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| 782 | __u32 index; |
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| 783 | __u8 name[32]; |
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| 784 | __u32 capability; |
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| 785 | __u32 mode; |
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| 786 | __u32 reserved[2]; |
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| 787 | }; |
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| 788 | /* Flags for the 'capability' field */ |
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| 789 | #define V4L2_AUDCAP_STEREO 0x00001 |
|---|
| 790 | #define V4L2_AUDCAP_AVL 0x00002 |
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| 791 | |
|---|
| 792 | /* Flags for the 'mode' field */ |
|---|
| 793 | #define V4L2_AUDMODE_AVL 0x00001 |
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| 794 | |
|---|
| 795 | struct v4l2_audioout |
|---|
| 796 | { |
|---|
| 797 | __u32 index; |
|---|
| 798 | __u8 name[32]; |
|---|
| 799 | __u32 capability; |
|---|
| 800 | __u32 mode; |
|---|
| 801 | __u32 reserved[2]; |
|---|
| 802 | }; |
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| 803 | |
|---|
| 804 | /* |
|---|
| 805 | * D A T A S E R V I C E S ( V B I ) |
|---|
| 806 | * |
|---|
| 807 | * Data services API by Michael Schimek |
|---|
| 808 | */ |
|---|
| 809 | |
|---|
| 810 | struct v4l2_vbi_format |
|---|
| 811 | { |
|---|
| 812 | __u32 sampling_rate; /* in 1 Hz */ |
|---|
| 813 | __u32 offset; |
|---|
| 814 | __u32 samples_per_line; |
|---|
| 815 | __u32 sample_format; /* V4L2_PIX_FMT_* */ |
|---|
| 816 | __s32 start[2]; |
|---|
| 817 | __u32 count[2]; |
|---|
| 818 | __u32 flags; /* V4L2_VBI_* */ |
|---|
| 819 | __u32 reserved[2]; /* must be zero */ |
|---|
| 820 | }; |
|---|
| 821 | |
|---|
| 822 | /* VBI flags */ |
|---|
| 823 | #define V4L2_VBI_UNSYNC (1<< 0) |
|---|
| 824 | #define V4L2_VBI_INTERLACED (1<< 1) |
|---|
| 825 | |
|---|
| 826 | |
|---|
| 827 | /* |
|---|
| 828 | * A G G R E G A T E S T R U C T U R E S |
|---|
| 829 | */ |
|---|
| 830 | |
|---|
| 831 | /* Stream data format |
|---|
| 832 | */ |
|---|
| 833 | struct v4l2_format |
|---|
| 834 | { |
|---|
| 835 | enum v4l2_buf_type type; |
|---|
| 836 | union |
|---|
| 837 | { |
|---|
| 838 | struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE |
|---|
| 839 | struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY |
|---|
| 840 | struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE |
|---|
| 841 | __u8 raw_data[200]; // user-defined |
|---|
| 842 | } fmt; |
|---|
| 843 | }; |
|---|
| 844 | |
|---|
| 845 | |
|---|
| 846 | /* Stream type-dependent parameters |
|---|
| 847 | */ |
|---|
| 848 | struct v4l2_streamparm |
|---|
| 849 | { |
|---|
| 850 | enum v4l2_buf_type type; |
|---|
| 851 | union |
|---|
| 852 | { |
|---|
| 853 | struct v4l2_captureparm capture; |
|---|
| 854 | struct v4l2_outputparm output; |
|---|
| 855 | __u8 raw_data[200]; /* user-defined */ |
|---|
| 856 | } parm; |
|---|
| 857 | }; |
|---|
| 858 | |
|---|
| 859 | |
|---|
| 860 | |
|---|
| 861 | /* |
|---|
| 862 | * 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 |
|---|
| 863 | * |
|---|
| 864 | */ |
|---|
| 865 | #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) |
|---|
| 866 | #define VIDIOC_RESERVED _IO ('V', 1) |
|---|
| 867 | #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) |
|---|
| 868 | #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) |
|---|
| 869 | #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) |
|---|
| 870 | #if 1 /* experimental */ |
|---|
| 871 | #define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression) |
|---|
| 872 | #define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression) |
|---|
| 873 | #endif |
|---|
| 874 | #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) |
|---|
| 875 | #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) |
|---|
| 876 | #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) |
|---|
| 877 | #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) |
|---|
| 878 | #define VIDIOC_OVERLAY _IOW ('V', 14, int) |
|---|
| 879 | #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) |
|---|
| 880 | #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) |
|---|
| 881 | #define VIDIOC_STREAMON _IOW ('V', 18, int) |
|---|
| 882 | #define VIDIOC_STREAMOFF _IOW ('V', 19, int) |
|---|
| 883 | #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) |
|---|
| 884 | #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm) |
|---|
| 885 | #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) |
|---|
| 886 | #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) |
|---|
| 887 | #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) |
|---|
| 888 | #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) |
|---|
| 889 | #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) |
|---|
| 890 | #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control) |
|---|
| 891 | #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) |
|---|
| 892 | #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) |
|---|
| 893 | #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio) |
|---|
| 894 | #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) |
|---|
| 895 | #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) |
|---|
| 896 | #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) |
|---|
| 897 | #define VIDIOC_G_INPUT _IOR ('V', 38, int) |
|---|
| 898 | #define VIDIOC_S_INPUT _IOWR ('V', 39, int) |
|---|
| 899 | #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) |
|---|
| 900 | #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) |
|---|
| 901 | #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) |
|---|
| 902 | #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout) |
|---|
| 903 | #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) |
|---|
| 904 | #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) |
|---|
| 905 | #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) |
|---|
| 906 | #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) |
|---|
| 907 | #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) |
|---|
| 908 | #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap) |
|---|
| 909 | #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) |
|---|
| 910 | #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) |
|---|
| 911 | #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) |
|---|
| 912 | #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) |
|---|
| 913 | #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) |
|---|
| 914 | #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) |
|---|
| 915 | #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio) |
|---|
| 916 | #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout) |
|---|
| 917 | #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority) |
|---|
| 918 | #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority) |
|---|
| 919 | |
|---|
| 920 | /* for compatibility, will go away some day */ |
|---|
| 921 | #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) |
|---|
| 922 | #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) |
|---|
| 923 | #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control) |
|---|
| 924 | #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) |
|---|
| 925 | #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) |
|---|
| 926 | #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) |
|---|
| 927 | |
|---|
| 928 | #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ |
|---|
| 929 | |
|---|
| 930 | |
|---|
| 931 | #endif /* __LINUX_VIDEODEV2_H */ |
|---|
| 932 | |
|---|
| 933 | /* |
|---|
| 934 | * Local variables: |
|---|
| 935 | * c-basic-offset: 8 |
|---|
| 936 | * End: |
|---|
| 937 | */ |
|---|