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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]; |
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406 | }; |
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407 | |||
408 | /* |
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409 | * I N P U T I M A G E C R O P P I N G |
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410 | */ |
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411 | |||
412 | struct v4l2_cropcap { |
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413 | enum v4l2_buf_type type; |
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414 | struct v4l2_rect bounds; |
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415 | struct v4l2_rect defrect; |
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416 | struct v4l2_fract pixelaspect; |
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417 | }; |
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418 | |||
419 | struct v4l2_crop { |
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420 | enum v4l2_buf_type type; |
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421 | struct v4l2_rect c; |
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422 | }; |
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423 | |||
424 | /* |
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425 | * A N A L O G V I D E O S T A N D A R D |
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426 | */ |
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427 | |||
428 | typedef __u64 v4l2_std_id; |
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429 | |||
430 | /* one bit for each */ |
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431 | #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) |
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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) |
||
798 | #define VIDIOC_S_CTRL _IOW ('V', 28, struct v4l2_control) |
||
799 | #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) |
||
800 | #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) |
||
801 | #define VIDIOC_G_AUDIO _IOWR ('V', 33, struct v4l2_audio) |
||
802 | #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) |
||
803 | #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) |
||
804 | #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) |
||
805 | #define VIDIOC_G_INPUT _IOR ('V', 38, int) |
||
806 | #define VIDIOC_S_INPUT _IOWR ('V', 39, int) |
||
807 | #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) |
||
808 | #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) |
||
809 | #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) |
||
810 | #define VIDIOC_G_AUDOUT _IOWR ('V', 49, struct v4l2_audioout) |
||
811 | #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) |
||
812 | #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) |
||
813 | #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) |
||
814 | #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) |
||
815 | #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) |
||
816 | #define VIDIOC_CROPCAP _IOR ('V', 58, struct v4l2_cropcap) |
||
817 | #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) |
||
818 | #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) |
||
819 | #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) |
||
820 | #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) |
||
821 | #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) |
||
822 | #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) |
||
823 | |||
824 | #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ |
||
825 | |||
826 | |||
827 | #ifdef __KERNEL__ |
||
828 | /* |
||
829 | * |
||
830 | * V 4 L 2 D R I V E R H E L P E R A P I |
||
831 | * |
||
832 | * Some commonly needed functions for drivers (v4l2-common.o module) |
||
833 | */ |
||
834 | #include <linux/fs.h> |
||
835 | |||
836 | /* Video standard functions */ |
||
837 | extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); |
||
838 | extern int v4l2_video_std_construct(struct v4l2_standard *vs, |
||
839 | int id, char *name); |
||
840 | |||
841 | /* Compatibility layer interface */ |
||
842 | typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, |
||
843 | unsigned int cmd, void *arg); |
||
844 | int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, |
||
845 | int cmd, void *arg, v4l2_kioctl driver_ioctl); |
||
846 | |||
847 | /* names for fancy debug output */ |
||
848 | extern char *v4l2_field_names[]; |
||
849 | extern char *v4l2_type_names[]; |
||
850 | extern char *v4l2_ioctl_names[]; |
||
851 | |||
852 | #endif /* __KERNEL__ */ |
||
853 | #endif /* __LINUX_VIDEODEV2_H */ |
||
854 | |||
855 | /* |
||
856 | * Local variables: |
||
857 | * c-basic-offset: 8 |
||
858 | * End: |
||
859 | */ |