| #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> |
| #endif |
| #include <linux/compiler.h> /* need __user */ |
| |
| |
| #define OBSOLETE_OWNER 1 /* It will be removed for 2.6.15 */ |
| #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__ |
| |
| #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 */ |
| 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 semaphore 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 */ |
| |
| /* |
| * 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 *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_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) |
| #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 |
| |
| 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 |
| #define V4L2_AUDMODE_32BITS 0x00002 |
| |
| 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 */ |
| }; |
| |
| #define V4L2_SLICED_TELETEXT_B (0x0001) |
| #define V4L2_SLICED_VPS (0x0400) |
| #define V4L2_SLICED_CAPTION_525 (0x1000) |
| #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; |
| }; |
| |
| |
| |
| /* |
| * 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 */ |
| |
| |
| #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[]; |
| extern char *v4l2_ioctl_names[]; |
| |
| /* Compatibility layer interface -- v4l1-compat module */ |
| typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, |
| unsigned int cmd, void *arg); |
| int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, |
| int cmd, void *arg, v4l2_kioctl driver_ioctl); |
| |
| /* 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: |
| */ |