videodev2.h~
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驱动编程
开发平台:
Unix_Linux
- #ifndef __LINUX_VIDEODEV2_H
- #define __LINUX_VIDEODEV2_H
- /*
- * Video for Linux Two
- *
- * Header file for v4l or V4L2 drivers and applications, for
- * Linux kernels 2.2.x or 2.4.x.
- *
- * See http://bytesex.org/v4l/ for API specs and other
- * v4l2 documentation.
- *
- * Author: Bill Dirks <bdirks@pacbell.net>
- * Justin Schoeman
- * et al.
- */
- #ifdef __KERNEL__
- #include <linux/time.h> /* need struct timeval */
- #include <linux/poll.h>
- #include <linux/device.h>
- #include <linux/mutex.h>
- #endif
- #include <linux/compiler.h> /* need __user */
- #define OBSOLETE_OWNER 1 /* It will be removed for 2.6.17 */
- #define HAVE_V4L2 1
- /*
- * Common stuff for both V4L1 and V4L2
- * Moved from videodev.h
- */
- #define VIDEO_MAX_FRAME 32
- #define VID_TYPE_CAPTURE 1 /* Can capture */
- #define VID_TYPE_TUNER 2 /* Can tune */
- #define VID_TYPE_TELETEXT 4 /* Does teletext */
- #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
- #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
- #define VID_TYPE_CLIPPING 32 /* Can clip */
- #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
- #define VID_TYPE_SCALES 128 /* Scalable */
- #define VID_TYPE_MONOCHROME 256 /* Monochrome only */
- #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
- #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
- #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
- #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
- #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
- #ifdef __KERNEL__
- /* Minor device allocation */
- #define MINOR_VFL_TYPE_GRABBER_MIN 0
- #define MINOR_VFL_TYPE_GRABBER_MAX 63
- #define MINOR_VFL_TYPE_RADIO_MIN 64
- #define MINOR_VFL_TYPE_RADIO_MAX 127
- #define MINOR_VFL_TYPE_VTX_MIN 192
- #define MINOR_VFL_TYPE_VTX_MAX 223
- #define MINOR_VFL_TYPE_VBI_MIN 224
- #define MINOR_VFL_TYPE_VBI_MAX 255
- #define VFL_TYPE_GRABBER 0
- #define VFL_TYPE_VBI 1
- #define VFL_TYPE_RADIO 2
- #define VFL_TYPE_VTX 3
- struct video_device
- {
- /* device info */
- struct device *dev;
- char name[32];
- int type; /* v4l1 */
- int type2; /* v4l2 */
- int hardware;
- int minor;
- /* device ops + callbacks */
- const struct file_operations *fops;
- void (*release)(struct video_device *vfd);
- #if OBSOLETE_OWNER /* to be removed in 2.6.15 */
- /* obsolete -- fops->owner is used instead */
- struct module *owner;
- /* dev->driver_data will be used instead some day.
- * Use the video_{get|set}_drvdata() helper functions,
- * so the switch over will be transparent for you.
- * Or use {pci|usb}_{get|set}_drvdata() directly. */
- void *priv;
- #endif
- /* for videodev.c intenal usage -- please don't touch */
- int users; /* video_exclusive_{open|close} ... */
- struct mutex lock; /* ... helper function uses these */
- char devfs_name[64]; /* devfs */
- struct class_device class_dev; /* sysfs */
- };
- #define VIDEO_MAJOR 81
- extern int video_register_device(struct video_device *, int type, int nr);
- extern void video_unregister_device(struct video_device *);
- extern int video_usercopy(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg,
- int (*func)(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg));
- /* helper functions to alloc / release struct video_device, the
- later can be used for video_device->release() */
- struct video_device *video_device_alloc(void);
- void video_device_release(struct video_device *vfd);
- #endif
- /*
- * M I S C E L L A N E O U S
- */
- /* Four-character-code (FOURCC) */
- #define v4l2_fourcc(a,b,c,d)
- (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
- /*
- * E N U M S
- */
- enum v4l2_field {
- V4L2_FIELD_ANY = 0, /* driver can choose from none,
- top, bottom, interlaced
- depending on whatever it thinks
- is approximate ... */
- V4L2_FIELD_NONE = 1, /* this device has no fields ... */
- V4L2_FIELD_TOP = 2, /* top field only */
- V4L2_FIELD_BOTTOM = 3, /* bottom field only */
- V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
- V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
- buffer, top-bottom order */
- V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
- V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
- separate buffers */
- };
- #define V4L2_FIELD_HAS_TOP(field)
- ((field) == V4L2_FIELD_TOP ||
- (field) == V4L2_FIELD_INTERLACED ||
- (field) == V4L2_FIELD_SEQ_TB ||
- (field) == V4L2_FIELD_SEQ_BT)
- #define V4L2_FIELD_HAS_BOTTOM(field)
- ((field) == V4L2_FIELD_BOTTOM ||
- (field) == V4L2_FIELD_INTERLACED ||
- (field) == V4L2_FIELD_SEQ_TB ||
- (field) == V4L2_FIELD_SEQ_BT)
- #define V4L2_FIELD_HAS_BOTH(field)
- ((field) == V4L2_FIELD_INTERLACED ||
- (field) == V4L2_FIELD_SEQ_TB ||
- (field) == V4L2_FIELD_SEQ_BT)
- enum v4l2_buf_type {
- V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
- V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
- V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
- V4L2_BUF_TYPE_VBI_CAPTURE = 4,
- V4L2_BUF_TYPE_VBI_OUTPUT = 5,
- #if 1
- /* Experimental Sliced VBI */
- V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
- V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
- #endif
- V4L2_BUF_TYPE_PRIVATE = 0x80,
- };
- enum v4l2_ctrl_type {
- V4L2_CTRL_TYPE_INTEGER = 1,
- V4L2_CTRL_TYPE_BOOLEAN = 2,
- V4L2_CTRL_TYPE_MENU = 3,
- V4L2_CTRL_TYPE_BUTTON = 4,
- };
- enum v4l2_tuner_type {
- V4L2_TUNER_RADIO = 1,
- V4L2_TUNER_ANALOG_TV = 2,
- V4L2_TUNER_DIGITAL_TV = 3,
- };
- enum v4l2_memory {
- V4L2_MEMORY_MMAP = 1,
- V4L2_MEMORY_USERPTR = 2,
- V4L2_MEMORY_OVERLAY = 3,
- };
- /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
- enum v4l2_colorspace {
- /* ITU-R 601 -- broadcast NTSC/PAL */
- V4L2_COLORSPACE_SMPTE170M = 1,
- /* 1125-Line (US) HDTV */
- V4L2_COLORSPACE_SMPTE240M = 2,
- /* HD and modern captures. */
- V4L2_COLORSPACE_REC709 = 3,
- /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
- V4L2_COLORSPACE_BT878 = 4,
- /* These should be useful. Assume 601 extents. */
- V4L2_COLORSPACE_470_SYSTEM_M = 5,
- V4L2_COLORSPACE_470_SYSTEM_BG = 6,
- /* I know there will be cameras that send this. So, this is
- * unspecified chromaticities and full 0-255 on each of the
- * Y'CbCr components
- */
- V4L2_COLORSPACE_JPEG = 7,
- /* For RGB colourspaces, this is probably a good start. */
- V4L2_COLORSPACE_SRGB = 8,
- };
- enum v4l2_priority {
- V4L2_PRIORITY_UNSET = 0, /* not initialized */
- V4L2_PRIORITY_BACKGROUND = 1,
- V4L2_PRIORITY_INTERACTIVE = 2,
- V4L2_PRIORITY_RECORD = 3,
- V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
- };
- struct v4l2_rect {
- __s32 left;
- __s32 top;
- __s32 width;
- __s32 height;
- };
- struct v4l2_fract {
- __u32 numerator;
- __u32 denominator;
- };
- /*
- * D R I V E R C A P A B I L I T I E S
- */
- struct v4l2_capability
- {
- __u8 driver[16]; /* i.e. "bttv" */
- __u8 card[32]; /* i.e. "Hauppauge WinTV" */
- __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
- __u32 version; /* should use KERNEL_VERSION() */
- __u32 capabilities; /* Device capabilities */
- __u32 reserved[4];
- };
- /* Values for 'capabilities' field */
- #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
- #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
- #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
- #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
- #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
- #if 1
- #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
- #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
- #endif
- #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
- #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
- #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
- #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
- #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
- #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
- #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
- /*
- * V I D E O I M A G E F O R M A T
- */
- struct v4l2_pix_format
- {
- __u32 width;
- __u32 height;
- __u32 pixelformat;
- enum v4l2_field field;
- __u32 bytesperline; /* for padding, zero if unused */
- __u32 sizeimage;
- enum v4l2_colorspace colorspace;
- __u32 priv; /* private data, depends on pixelformat */
- };
- /* Pixel format FOURCC depth Description */
- #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */
- #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */
- #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */
- #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */
- #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */
- #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */
- #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */
- #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */
- #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */
- #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */
- #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */
- #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
- #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */
- #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */
- #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */
- #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */
- #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */
- /* two planes -- one Y, one Cr + Cb interleaved */
- #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */
- #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */
- /* The following formats are not defined in the V4L2 specification */
- #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */
- #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */
- #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */
- #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */
- /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
- #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */
- /* compressed formats */
- #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */
- #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */
- #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */
- #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */
- /* Vendor-specific formats */
- #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */
- #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */
- #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */
- #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */
- #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E','6','2','5') /* ET61X251 compression */
- /*
- * F O R M A T E N U M E R A T I O N
- */
- struct v4l2_fmtdesc
- {
- __u32 index; /* Format number */
- enum v4l2_buf_type type; /* buffer type */
- __u32 flags;
- __u8 description[32]; /* Description string */
- __u32 pixelformat; /* Format fourcc */
- __u32 reserved[4];
- };
- #define V4L2_FMT_FLAG_COMPRESSED 0x0001
- /*
- * T I M E C O D E
- */
- struct v4l2_timecode
- {
- __u32 type;
- __u32 flags;
- __u8 frames;
- __u8 seconds;
- __u8 minutes;
- __u8 hours;
- __u8 userbits[4];
- };
- /* Type */
- #define V4L2_TC_TYPE_24FPS 1
- #define V4L2_TC_TYPE_25FPS 2
- #define V4L2_TC_TYPE_30FPS 3
- #define V4L2_TC_TYPE_50FPS 4
- #define V4L2_TC_TYPE_60FPS 5
- /* Flags */
- #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
- #define V4L2_TC_FLAG_COLORFRAME 0x0002
- #define V4L2_TC_USERBITS_field 0x000C
- #define V4L2_TC_USERBITS_USERDEFINED 0x0000
- #define V4L2_TC_USERBITS_8BITCHARS 0x0008
- /* The above is based on SMPTE timecodes */
- /*
- * 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
- *
- * ### WARNING: this is still work-in-progress right now, most likely
- * ### there will be some incompatible changes.
- *
- */
- enum v4l2_bitrate_mode {
- V4L2_BITRATE_NONE = 0, /* not specified */
- V4L2_BITRATE_CBR, /* constant bitrate */
- V4L2_BITRATE_VBR, /* variable bitrate */
- };
- struct v4l2_bitrate {
- /* rates are specified in kbit/sec */
- enum v4l2_bitrate_mode mode;
- __u32 min;
- __u32 target; /* use this one for CBR */
- __u32 max;
- };
- enum v4l2_mpeg_streamtype {
- V4L2_MPEG_SS_1, /* MPEG-1 system stream */
- V4L2_MPEG_PS_2, /* MPEG-2 program stream */
- V4L2_MPEG_TS_2, /* MPEG-2 transport stream */
- V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */
- };
- enum v4l2_mpeg_audiotype {
- V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */
- V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */
- V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */
- V4L2_MPEG_AC3, /* AC3 */
- V4L2_MPEG_LPCM, /* LPCM */
- };
- enum v4l2_mpeg_videotype {
- V4L2_MPEG_VI_1, /* MPEG-1 */
- V4L2_MPEG_VI_2, /* MPEG-2 */
- };
- enum v4l2_mpeg_aspectratio {
- V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */
- V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */
- V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */
- V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */
- };
- struct v4l2_mpeg_compression {
- /* general */
- enum v4l2_mpeg_streamtype st_type;
- struct v4l2_bitrate st_bitrate;
- /* transport streams */
- __u16 ts_pid_pmt;
- __u16 ts_pid_audio;
- __u16 ts_pid_video;
- __u16 ts_pid_pcr;
- /* program stream */
- __u16 ps_size;
- __u16 reserved_1; /* align */
- /* audio */
- enum v4l2_mpeg_audiotype au_type;
- struct v4l2_bitrate au_bitrate;
- __u32 au_sample_rate;
- __u8 au_pesid;
- __u8 reserved_2[3]; /* align */
- /* video */
- enum v4l2_mpeg_videotype vi_type;
- enum v4l2_mpeg_aspectratio vi_aspect_ratio;
- struct v4l2_bitrate vi_bitrate;
- __u32 vi_frame_rate;
- __u16 vi_frames_per_gop;
- __u16 vi_bframes_count;
- __u8 vi_pesid;
- __u8 reserved_3[3]; /* align */
- /* misc flags */
- __u32 closed_gops:1;
- __u32 pulldown:1;
- __u32 reserved_4:30; /* align */
- /* I don't expect the above being perfect yet ;) */
- __u32 reserved_5[8];
- };
- struct v4l2_jpegcompression
- {
- int quality;
- int APPn; /* Number of APP segment to be written,
- * must be 0..15 */
- int APP_len; /* Length of data in JPEG APPn segment */
- char APP_data[60]; /* Data in the JPEG APPn segment. */
- int COM_len; /* Length of data in JPEG COM segment */
- char COM_data[60]; /* Data in JPEG COM segment */
- __u32 jpeg_markers; /* Which markers should go into the JPEG
- * output. Unless you exactly know what
- * you do, leave them untouched.
- * Inluding less markers will make the
- * resulting code smaller, but there will
- * be fewer aplications which can read it.
- * The presence of the APP and COM marker
- * is influenced by APP_len and COM_len
- * ONLY, not by this property! */
- #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
- #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
- #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
- #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
- #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
- * allways use APP0 */
- };
- /*
- * M E M O R Y - M A P P I N G B U F F E R S
- */
- struct v4l2_requestbuffers
- {
- __u32 count;
- enum v4l2_buf_type type;
- enum v4l2_memory memory;
- __u32 reserved[2];
- };
- struct v4l2_buffer
- {
- __u32 index;
- enum v4l2_buf_type type;
- __u32 bytesused;
- __u32 flags;
- enum v4l2_field field;
- struct timeval timestamp;
- struct v4l2_timecode timecode;
- __u32 sequence;
- /* memory location */
- enum v4l2_memory memory;
- union {
- __u32 offset;
- unsigned long userptr;
- } m;
- __u32 length;
- __u32 input;
- __u32 reserved;
- };
- /* Flags for 'flags' field */
- #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
- #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
- #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
- #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
- #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
- #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
- #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
- #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
- /*
- * O V E R L A Y P R E V I E W
- */
- struct v4l2_framebuffer
- {
- __u32 capability;
- __u32 flags;
- /* FIXME: in theory we should pass something like PCI device + memory
- * region + offset instead of some physical address */
- void* base;
- struct v4l2_pix_format fmt;
- };
- /* Flags for the 'capability' field. Read only */
- #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
- #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
- #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
- #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
- /* Flags for the 'flags' field. */
- #define V4L2_FBUF_FLAG_PRIMARY 0x0001
- #define V4L2_FBUF_FLAG_OVERLAY 0x0002
- #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
- struct v4l2_clip
- {
- struct v4l2_rect c;
- struct v4l2_clip __user *next;
- };
- struct v4l2_window
- {
- struct v4l2_rect w;
- enum v4l2_field field;
- __u32 chromakey;
- struct v4l2_clip __user *clips;
- __u32 clipcount;
- void __user *bitmap;
- };
- /*
- * C A P T U R E P A R A M E T E R S
- */
- struct v4l2_captureparm
- {
- __u32 capability; /* Supported modes */
- __u32 capturemode; /* Current mode */
- struct v4l2_fract timeperframe; /* Time per frame in .1us units */
- __u32 extendedmode; /* Driver-specific extensions */
- __u32 readbuffers; /* # of buffers for read */
- __u32 reserved[4];
- };
- /* Flags for 'capability' and 'capturemode' fields */
- #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
- #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
- struct v4l2_outputparm
- {
- __u32 capability; /* Supported modes */
- __u32 outputmode; /* Current mode */
- struct v4l2_fract timeperframe; /* Time per frame in seconds */
- __u32 extendedmode; /* Driver-specific extensions */
- __u32 writebuffers; /* # of buffers for write */
- __u32 reserved[4];
- };
- /*
- * I N P U T I M A G E C R O P P I N G
- */
- struct v4l2_cropcap {
- enum v4l2_buf_type type;
- struct v4l2_rect bounds;
- struct v4l2_rect defrect;
- struct v4l2_fract pixelaspect;
- };
- struct v4l2_crop {
- enum v4l2_buf_type type;
- struct v4l2_rect c;
- };
- /*
- * A N A L O G V I D E O S T A N D A R D
- */
- typedef __u64 v4l2_std_id;
- /* one bit for each */
- #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
- #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
- #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
- #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
- #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
- #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
- #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
- #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
- #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
- #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
- #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
- #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
- #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
- #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
- #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
- #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000)
- #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
- #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
- #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
- #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
- #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
- #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
- #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
- #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
- /* ATSC/HDTV */
- #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
- #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
- /* some merged standards */
- #define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
- #define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
- #define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
- #define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
- /* some common needed stuff */
- #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |
- V4L2_STD_PAL_B1 |
- V4L2_STD_PAL_G)
- #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |
- V4L2_STD_PAL_D1 |
- V4L2_STD_PAL_K)
- #define V4L2_STD_PAL (V4L2_STD_PAL_BG |
- V4L2_STD_PAL_DK |
- V4L2_STD_PAL_H |
- V4L2_STD_PAL_I)
- #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |
- V4L2_STD_NTSC_M_JP |
- V4L2_STD_NTSC_M_KR)
- #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |
- V4L2_STD_SECAM_K |
- V4L2_STD_SECAM_K1)
- #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |
- V4L2_STD_SECAM_G |
- V4L2_STD_SECAM_H |
- V4L2_STD_SECAM_DK |
- V4L2_STD_SECAM_L |
- V4L2_STD_SECAM_LC)
- #define V4L2_STD_525_60 (V4L2_STD_PAL_M |
- V4L2_STD_PAL_60 |
- V4L2_STD_NTSC |
- V4L2_STD_NTSC_443)
- #define V4L2_STD_625_50 (V4L2_STD_PAL |
- V4L2_STD_PAL_N |
- V4L2_STD_PAL_Nc |
- V4L2_STD_SECAM)
- #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |
- V4L2_STD_ATSC_16_VSB)
- #define V4L2_STD_UNKNOWN 0
- #define V4L2_STD_ALL (V4L2_STD_525_60 |
- V4L2_STD_625_50)
- struct v4l2_standard
- {
- __u32 index;
- v4l2_std_id id;
- __u8 name[24];
- struct v4l2_fract frameperiod; /* Frames, not fields */
- __u32 framelines;
- __u32 reserved[4];
- };
- /*
- * V I D E O I N P U T S
- */
- struct v4l2_input
- {
- __u32 index; /* Which input */
- __u8 name[32]; /* Label */
- __u32 type; /* Type of input */
- __u32 audioset; /* Associated audios (bitfield) */
- __u32 tuner; /* Associated tuner */
- v4l2_std_id std;
- __u32 status;
- __u32 reserved[4];
- };
- /* Values for the 'type' field */
- #define V4L2_INPUT_TYPE_TUNER 1
- #define V4L2_INPUT_TYPE_CAMERA 2
- /* field 'status' - general */
- #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
- #define V4L2_IN_ST_NO_SIGNAL 0x00000002
- #define V4L2_IN_ST_NO_COLOR 0x00000004
- /* field 'status' - analog */
- #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
- #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
- /* 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;
- };
- /* 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
- /* Control IDs defined by V4L2 */
- #define V4L2_CID_BASE 0x00980900
- /* IDs reserved for driver specific controls */
- #define V4L2_CID_PRIVATE_BASE 0x08000000
- #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)
- #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) /* ? Not sure */
- #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)
- #define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
- #define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
- #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */
- /*
- * T U N I N G
- */
- struct v4l2_tuner
- {
- __u32 index;
- __u8 name[32];
- enum v4l2_tuner_type type;
- __u32 capability;
- __u32 rangelow;
- __u32 rangehigh;
- __u32 rxsubchans;
- __u32 audmode;
- __s32 signal;
- __s32 afc;
- __u32 reserved[4];
- };
- struct v4l2_modulator
- {
- __u32 index;
- __u8 name[32];
- __u32 capability;
- __u32 rangelow;
- __u32 rangehigh;
- __u32 txsubchans;
- __u32 reserved[4];
- };
- /* Flags for the 'capability' field */
- #define V4L2_TUNER_CAP_LOW 0x0001
- #define V4L2_TUNER_CAP_NORM 0x0002
- #define V4L2_TUNER_CAP_STEREO 0x0010
- #define V4L2_TUNER_CAP_LANG2 0x0020
- #define V4L2_TUNER_CAP_SAP 0x0020
- #define V4L2_TUNER_CAP_LANG1 0x0040
- /* Flags for the 'rxsubchans' field */
- #define V4L2_TUNER_SUB_MONO 0x0001
- #define V4L2_TUNER_SUB_STEREO 0x0002
- #define V4L2_TUNER_SUB_LANG2 0x0004
- #define V4L2_TUNER_SUB_SAP 0x0004
- #define V4L2_TUNER_SUB_LANG1 0x0008
- /* Values for the 'audmode' field */
- #define V4L2_TUNER_MODE_MONO 0x0000
- #define V4L2_TUNER_MODE_STEREO 0x0001
- #define V4L2_TUNER_MODE_LANG2 0x0002
- #define V4L2_TUNER_MODE_SAP 0x0002
- #define V4L2_TUNER_MODE_LANG1 0x0003
- #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
- struct v4l2_frequency
- {
- __u32 tuner;
- enum v4l2_tuner_type type;
- __u32 frequency;
- __u32 reserved[8];
- };
- /*
- * A U D I O
- */
- struct v4l2_audio
- {
- __u32 index;
- __u8 name[32];
- __u32 capability;
- __u32 mode;
- __u32 reserved[2];
- };
- /* Flags for the 'capability' field */
- #define V4L2_AUDCAP_STEREO 0x00001
- #define V4L2_AUDCAP_AVL 0x00002
- /* Flags for the 'mode' field */
- #define V4L2_AUDMODE_AVL 0x00001
- struct v4l2_audioout
- {
- __u32 index;
- __u8 name[32];
- __u32 capability;
- __u32 mode;
- __u32 reserved[2];
- };
- /*
- * D A T A S E R V I C E S ( V B I )
- *
- * Data services API by Michael Schimek
- */
- /* Raw VBI */
- struct v4l2_vbi_format
- {
- __u32 sampling_rate; /* in 1 Hz */
- __u32 offset;
- __u32 samples_per_line;
- __u32 sample_format; /* V4L2_PIX_FMT_* */
- __s32 start[2];
- __u32 count[2];
- __u32 flags; /* V4L2_VBI_* */
- __u32 reserved[2]; /* must be zero */
- };
- /* VBI flags */
- #define V4L2_VBI_UNSYNC (1<< 0)
- #define V4L2_VBI_INTERLACED (1<< 1)
- #if 1
- /* Sliced VBI
- *
- * This implements is a proposal V4L2 API to allow SLICED VBI
- * required for some hardware encoders. It should change without
- * notice in the definitive implementation.
- */
- struct v4l2_sliced_vbi_format
- {
- __u16 service_set;
- /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
- service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
- (equals frame lines 313-336 for 625 line video
- standards, 263-286 for 525 line standards) */
- __u16 service_lines[2][24];
- __u32 io_size;
- __u32 reserved[2]; /* must be zero */
- };
- /* Teletext World System Teletext
- (WST), defined on ITU-R BT.653-2 */
- #define V4L2_SLICED_TELETEXT_B (0x0001)
- /* Video Program System, defined on ETS 300 231*/
- #define V4L2_SLICED_VPS (0x0400)
- /* Closed Caption, defined on EIA-608 */
- #define V4L2_SLICED_CAPTION_525 (0x1000)
- /* Wide Screen System, defined on ITU-R BT1119.1 */
- #define V4L2_SLICED_WSS_625 (0x4000)
- #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
- #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
- struct v4l2_sliced_vbi_cap
- {
- __u16 service_set;
- /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
- service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
- (equals frame lines 313-336 for 625 line video
- standards, 263-286 for 525 line standards) */
- __u16 service_lines[2][24];
- __u32 reserved[4]; /* must be 0 */
- };
- struct v4l2_sliced_vbi_data
- {
- __u32 id;
- __u32 field; /* 0: first field, 1: second field */
- __u32 line; /* 1-23 */
- __u32 reserved; /* must be 0 */
- __u8 data[48];
- };
- #endif
- /*
- * A G G R E G A T E S T R U C T U R E S
- */
- /* Stream data format
- */
- struct v4l2_format
- {
- enum v4l2_buf_type type;
- union
- {
- struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
- struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
- struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
- #if 1
- struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
- #endif
- __u8 raw_data[200]; // user-defined
- } fmt;
- };
- /* Stream type-dependent parameters
- */
- struct v4l2_streamparm
- {
- enum v4l2_buf_type type;
- union
- {
- struct v4l2_captureparm capture;
- struct v4l2_outputparm output;
- __u8 raw_data[200]; /* user-defined */
- } parm;
- };
- //Beck add for TO1 FM radio
- struct radio_scan
- {
- __u16 channel;
- __u16 direction; /* SEEK_UP or SEEK_DOWN */
- __u16 scanok; /*TRUE(1) or FALSE(0)*/
- }
- #define SEEKUP 0
- #define SEEKDOWN 1
- struct RDS_DATA
- {
- __u16 RDSA;
- __u16 RDSB;
- __u16 RDSC;
- __u16 RDSD;
- }
- //Beck end
- /*
- * 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
- *
- */
- #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability)
- #define VIDIOC_RESERVED _IO ('V', 1)
- #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc)
- #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format)
- #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format)
- #define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression)
- #define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression)
- #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers)
- #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer)
- #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer)
- #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer)
- #define VIDIOC_OVERLAY _IOW ('V', 14, int)
- #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer)
- #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer)
- #define VIDIOC_STREAMON _IOW ('V', 18, int)
- #define VIDIOC_STREAMOFF _IOW ('V', 19, int)
- #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm)
- #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm)
- #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id)
- #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id)
- #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard)
- #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input)
- #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control)
- #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control)
- #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner)
- #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner)
- #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio)
- #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio)
- #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl)
- #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu)
- #define VIDIOC_G_INPUT _IOR ('V', 38, int)
- #define VIDIOC_S_INPUT _IOWR ('V', 39, int)
- #define VIDIOC_G_OUTPUT _IOR ('V', 46, int)
- #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int)
- #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output)
- #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout)
- #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout)
- #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator)
- #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator)
- #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency)
- #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency)
- #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap)
- #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop)
- #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop)
- #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression)
- #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression)
- #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id)
- #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format)
- #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio)
- #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout)
- #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority)
- #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority)
- #if 1
- #define VIDIOC_G_SLICED_VBI_CAP _IOR ('V', 69, struct v4l2_sliced_vbi_cap)
- #endif
- #define VIDIOC_LOG_STATUS _IO ('V', 70)
- /* for compatibility, will go away some day */
- #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int)
- #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm)
- #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control)
- #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio)
- #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout)
- #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap)
- #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
- //Beck add for TO1 FM radio
- #define VIDOC_RADIO_ON _IOW('V', 192, int)
- #define VIDOC_RADIO_OFF _IOW('V', 193, int)
- #define RADIO_SCAN_NEXT _IOWR ('V', 194, struct radio_scan)
- //Beck end
- #ifdef __KERNEL__
- /*
- *
- * V 4 L 2 D R I V E R H E L P E R A P I
- *
- * Some commonly needed functions for drivers (v4l2-common.o module)
- */
- #include <linux/fs.h>
- /* Video standard functions */
- extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
- extern int v4l2_video_std_construct(struct v4l2_standard *vs,
- int id, char *name);
- /* prority handling */
- struct v4l2_prio_state {
- atomic_t prios[4];
- };
- int v4l2_prio_init(struct v4l2_prio_state *global);
- int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
- enum v4l2_priority new);
- int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
- int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
- enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
- int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
- /* names for fancy debug output */
- extern char *v4l2_field_names[];
- extern char *v4l2_type_names[];
- /* Compatibility layer interface -- v4l1-compat module */
- typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg);
- #ifdef CONFIG_VIDEO_V4L1_COMPAT
- int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
- int cmd, void *arg, v4l2_kioctl driver_ioctl);
- #else
- #define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL
- #endif
- /* 32 Bits compatibility layer for 64 bits processors */
- extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
- unsigned long arg);
- #endif /* __KERNEL__ */
- #endif /* __LINUX_VIDEODEV2_H */
- /*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */