📄 videodev2.h
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/* field 'status' - digital */#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed *//* field 'status' - VCR and set-top box */#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant *//* * V I D E O O U T P U T S */struct v4l2_output { __u32 index; /* Which output */ __u8 name[32]; /* Label */ __u32 type; /* Type of output */ __u32 audioset; /* Associated audios (bitfield) */ __u32 modulator; /* Associated modulator */ v4l2_std_id std; __u32 reserved[4];};/* Values for the 'type' field */#define V4L2_OUTPUT_TYPE_MODULATOR 1#define V4L2_OUTPUT_TYPE_ANALOG 2#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3/* * C O N T R O L S */struct v4l2_control { __u32 id; __s32 value;};struct v4l2_ext_control { __u32 id; __u32 reserved2[2]; union { __s32 value; __s64 value64; void *reserved; };} __attribute__ ((packed));struct v4l2_ext_controls { __u32 ctrl_class; __u32 count; __u32 error_idx; __u32 reserved[2]; struct v4l2_ext_control *controls;};/* Values for ctrl_class field */#define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */#define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */#define V4L2_CTRL_CLASS_CAMERA 0x009a0000 /* Camera class controls */#define V4L2_CTRL_ID_MASK (0x0fffffff)#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */struct v4l2_queryctrl { __u32 id; enum v4l2_ctrl_type type; __u8 name[32]; /* Whatever */ __s32 minimum; /* Note signedness */ __s32 maximum; __s32 step; __s32 default_value; __u32 flags; __u32 reserved[2];};/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */struct v4l2_querymenu { __u32 id; __u32 index; __u8 name[32]; /* Whatever */ __u32 reserved;};/* Control flags */#define V4L2_CTRL_FLAG_DISABLED 0x0001#define V4L2_CTRL_FLAG_GRABBED 0x0002#define V4L2_CTRL_FLAG_READ_ONLY 0x0004#define V4L2_CTRL_FLAG_UPDATE 0x0008#define V4L2_CTRL_FLAG_INACTIVE 0x0010#define V4L2_CTRL_FLAG_SLIDER 0x0020/* Query flag, to be ORed with the control ID */#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000/* User-class control IDs defined by V4L2 */#define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900)#define V4L2_CID_USER_BASE V4L2_CID_BASE/* IDs reserved for driver specific controls */#define V4L2_CID_PRIVATE_BASE 0x08000000#define V4L2_CID_USER_CLASS (V4L2_CTRL_CLASS_USER | 1)#define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)#define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)#define V4L2_CID_SATURATION (V4L2_CID_BASE+2)#define V4L2_CID_HUE (V4L2_CID_BASE+3)#define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)#define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)#define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)#define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)#define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)#define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)#define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) /* Deprecated */#define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)#define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)#define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)#define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)#define V4L2_CID_GAMMA (V4L2_CID_BASE+16)#define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* Deprecated */#define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)#define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)#define V4L2_CID_GAIN (V4L2_CID_BASE+19)#define V4L2_CID_HFLIP (V4L2_CID_BASE+20)#define V4L2_CID_VFLIP (V4L2_CID_BASE+21)/* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */#define V4L2_CID_HCENTER (V4L2_CID_BASE+22)#define V4L2_CID_VCENTER (V4L2_CID_BASE+23)#define V4L2_CID_POWER_LINE_FREQUENCY (V4L2_CID_BASE+24)enum v4l2_power_line_frequency { V4L2_CID_POWER_LINE_FREQUENCY_DISABLED = 0, V4L2_CID_POWER_LINE_FREQUENCY_50HZ = 1, V4L2_CID_POWER_LINE_FREQUENCY_60HZ = 2,};#define V4L2_CID_HUE_AUTO (V4L2_CID_BASE+25)#define V4L2_CID_WHITE_BALANCE_TEMPERATURE (V4L2_CID_BASE+26)#define V4L2_CID_SHARPNESS (V4L2_CID_BASE+27)#define V4L2_CID_BACKLIGHT_COMPENSATION (V4L2_CID_BASE+28)#define V4L2_CID_CHROMA_AGC (V4L2_CID_BASE+29)#define V4L2_CID_COLOR_KILLER (V4L2_CID_BASE+30)/* last CID + 1 */#define V4L2_CID_LASTP1 (V4L2_CID_BASE+31)/* MPEG-class control IDs defined by V4L2 */#define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)#define V4L2_CID_MPEG_CLASS (V4L2_CTRL_CLASS_MPEG | 1)/* MPEG streams */#define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_MPEG_BASE+0)enum v4l2_mpeg_stream_type { V4L2_MPEG_STREAM_TYPE_MPEG2_PS = 0, /* MPEG-2 program stream */ V4L2_MPEG_STREAM_TYPE_MPEG2_TS = 1, /* MPEG-2 transport stream */ V4L2_MPEG_STREAM_TYPE_MPEG1_SS = 2, /* MPEG-1 system stream */ V4L2_MPEG_STREAM_TYPE_MPEG2_DVD = 3, /* MPEG-2 DVD-compatible stream */ V4L2_MPEG_STREAM_TYPE_MPEG1_VCD = 4, /* MPEG-1 VCD-compatible stream */ V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */};#define V4L2_CID_MPEG_STREAM_PID_PMT (V4L2_CID_MPEG_BASE+1)#define V4L2_CID_MPEG_STREAM_PID_AUDIO (V4L2_CID_MPEG_BASE+2)#define V4L2_CID_MPEG_STREAM_PID_VIDEO (V4L2_CID_MPEG_BASE+3)#define V4L2_CID_MPEG_STREAM_PID_PCR (V4L2_CID_MPEG_BASE+4)#define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO (V4L2_CID_MPEG_BASE+5)#define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO (V4L2_CID_MPEG_BASE+6)#define V4L2_CID_MPEG_STREAM_VBI_FMT (V4L2_CID_MPEG_BASE+7)enum v4l2_mpeg_stream_vbi_fmt { V4L2_MPEG_STREAM_VBI_FMT_NONE = 0, /* No VBI in the MPEG stream */ V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1, /* VBI in private packets, IVTV format */};/* MPEG audio */#define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ (V4L2_CID_MPEG_BASE+100)enum v4l2_mpeg_audio_sampling_freq { V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0, V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1, V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,};#define V4L2_CID_MPEG_AUDIO_ENCODING (V4L2_CID_MPEG_BASE+101)enum v4l2_mpeg_audio_encoding { V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0, V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2, V4L2_MPEG_AUDIO_ENCODING_AAC = 3, V4L2_MPEG_AUDIO_ENCODING_AC3 = 4,};#define V4L2_CID_MPEG_AUDIO_L1_BITRATE (V4L2_CID_MPEG_BASE+102)enum v4l2_mpeg_audio_l1_bitrate { V4L2_MPEG_AUDIO_L1_BITRATE_32K = 0, V4L2_MPEG_AUDIO_L1_BITRATE_64K = 1, V4L2_MPEG_AUDIO_L1_BITRATE_96K = 2, V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3, V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4, V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5, V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6, V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7, V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8, V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9, V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10, V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11, V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12, V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,};#define V4L2_CID_MPEG_AUDIO_L2_BITRATE (V4L2_CID_MPEG_BASE+103)enum v4l2_mpeg_audio_l2_bitrate { V4L2_MPEG_AUDIO_L2_BITRATE_32K = 0, V4L2_MPEG_AUDIO_L2_BITRATE_48K = 1, V4L2_MPEG_AUDIO_L2_BITRATE_56K = 2, V4L2_MPEG_AUDIO_L2_BITRATE_64K = 3, V4L2_MPEG_AUDIO_L2_BITRATE_80K = 4, V4L2_MPEG_AUDIO_L2_BITRATE_96K = 5, V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6, V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7, V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8, V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9, V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10, V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11, V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12, V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,};#define V4L2_CID_MPEG_AUDIO_L3_BITRATE (V4L2_CID_MPEG_BASE+104)enum v4l2_mpeg_audio_l3_bitrate { V4L2_MPEG_AUDIO_L3_BITRATE_32K = 0, V4L2_MPEG_AUDIO_L3_BITRATE_40K = 1, V4L2_MPEG_AUDIO_L3_BITRATE_48K = 2, V4L2_MPEG_AUDIO_L3_BITRATE_56K = 3, V4L2_MPEG_AUDIO_L3_BITRATE_64K = 4, V4L2_MPEG_AUDIO_L3_BITRATE_80K = 5, V4L2_MPEG_AUDIO_L3_BITRATE_96K = 6, V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7, V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8, V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9, V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10, V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11, V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12, V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,};#define V4L2_CID_MPEG_AUDIO_MODE (V4L2_CID_MPEG_BASE+105)enum v4l2_mpeg_audio_mode { V4L2_MPEG_AUDIO_MODE_STEREO = 0, V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1, V4L2_MPEG_AUDIO_MODE_DUAL = 2, V4L2_MPEG_AUDIO_MODE_MONO = 3,};#define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION (V4L2_CID_MPEG_BASE+106)enum v4l2_mpeg_audio_mode_extension { V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4 = 0, V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8 = 1, V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2, V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,};#define V4L2_CID_MPEG_AUDIO_EMPHASIS (V4L2_CID_MPEG_BASE+107)enum v4l2_mpeg_audio_emphasis { V4L2_MPEG_AUDIO_EMPHASIS_NONE = 0, V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1, V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17 = 2,};#define V4L2_CID_MPEG_AUDIO_CRC (V4L2_CID_MPEG_BASE+108)enum v4l2_mpeg_audio_crc { V4L2_MPEG_AUDIO_CRC_NONE = 0, V4L2_MPEG_AUDIO_CRC_CRC16 = 1,};#define V4L2_CID_MPEG_AUDIO_MUTE (V4L2_CID_MPEG_BASE+109)#define V4L2_CID_MPEG_AUDIO_AAC_BITRATE (V4L2_CID_MPEG_BASE+110)#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE (V4L2_CID_MPEG_BASE+111)enum v4l2_mpeg_audio_ac3_bitrate { V4L2_MPEG_AUDIO_AC3_BITRATE_32K = 0, V4L2_MPEG_AUDIO_AC3_BITRATE_40K = 1, V4L2_MPEG_AUDIO_AC3_BITRATE_48K = 2, V4L2_MPEG_AUDIO_AC3_BITRATE_56K = 3, V4L2_MPEG_AUDIO_AC3_BITRATE_64K = 4, V4L2_MPEG_AUDIO_AC3_BITRATE_80K = 5, V4L2_MPEG_AUDIO_AC3_BITRATE_96K = 6, V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7, V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8, V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9, V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10, V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11, V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12, V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13, V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14, V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15, V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16, V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17, V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,};/* MPEG video */#define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200)enum v4l2_mpeg_video_encoding { V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0, V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,};#define V4L2_CID_MPEG_VIDEO_ASPECT (V4L2_CID_MPEG_BASE+201)enum v4l2_mpeg_video_aspect { V4L2_MPEG_VIDEO_ASPECT_1x1 = 0, V4L2_MPEG_VIDEO_ASPECT_4x3 = 1, V4L2_MPEG_VIDEO_ASPECT_16x9 = 2, V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,};#define V4L2_CID_MPEG_VIDEO_B_FRAMES (V4L2_CID_MPEG_BASE+202)#define V4L2_CID_MPEG_VIDEO_GOP_SIZE (V4L2_CID_MPEG_BASE+203)#define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (V4L2_CID_MPEG_BASE+204)#define V4L2_CID_MPEG_VIDEO_PULLDOWN (V4L2_CID_MPEG_BASE+205)#define V4L2_CID_MPEG_VIDEO_BITRATE_MODE (V4L2_CID_MPEG_BASE+206)enum v4l2_mpeg_video_bitrate_mode { V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0, V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,};#define V4L2_CID_MPEG_VIDEO_BITRATE (V4L2_CID_MPEG_BASE+207)#define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (V4L2_CID_MPEG_BASE+208)#define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)#define V4L2_CID_MPEG_VIDEO_MUTE (V4L2_CID_MPEG_BASE+210)#define V4L2_CID_MPEG_VIDEO_MUTE_YUV (V4L2_CID_MPEG_BASE+211)/* MPEG-class control IDs specific to the CX2584x driver as defined by V4L2 */#define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000)#define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+0)enum v4l2_mpeg_cx2341x_video_spatial_filter_mode { V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0, V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO = 1,};#define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+1)#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+2)enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type { V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF = 0, V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR = 1, V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT = 2, V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE = 3, V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,};#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+3)enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type { V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF = 0, V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,};#define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+4)enum v4l2_mpeg_cx2341x_video_temporal_filter_mode { V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0, V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO = 1,};#define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+5)#define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+6)enum v4l2_mpeg_cx2341x_video_median_filter_type { V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF = 0, V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR = 1, V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT = 2, V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3, V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG = 4,};#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+7)#define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+8)#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+9)#define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+10)#define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS (V4L2_CID_MPEG_CX2341X_BASE+11)/* Camera class control IDs */#define V4L2_CID_CAMERA_CLASS_BASE (V4L2_CTRL_CLASS_CAMERA | 0x900)#define V4L2_CID_CAMERA_CLASS (V4L2_CTRL_CLASS_CAMERA | 1)#define V4L2_CID_EXPOSURE_AUTO (V4L2_CID_CAMERA_CLASS_BASE+1)enum v4l2_exposure_auto_type { V4L2_EXPOSURE_AUTO = 0, V4L2_EXPOSURE_MANUAL = 1, V4L2_EXPOSURE_SHUTTER_PRIORITY = 2, V4L2_EXPOSURE_APERTURE_PRIORITY = 3};#define V4L2_CID_EXPOSURE_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+2)#define V4L2_CID_EXPOSURE_AUTO_PRIORITY (V4L2_CID_CAMERA_CLASS_BASE+3)
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