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/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Giacomo Guidi       <giacomo@gandalf.sssup.it>
 *
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */


/* Linux 2.6 Emulation Library Header */

#ifndef __SHARK_VIDEODEV26__
#define __SHARK_VIDEODEV26__

#include <ll/sys/types.h>

#define __u8  unsigned char
#define __u32 unsigned int
#define __u16 unsigned short int
#define __s32 int
#define __s16 short int
#define __s8  char

#define _IOC_NONE       0U
#define _IOC_WRITE      1U
#define _IOC_READ       2U

#define _IOC_TYPECHECK(t) (sizeof(t))

#define _IOC_NRBITS     8
#define _IOC_TYPEBITS   8
#define _IOC_SIZEBITS   14
#define _IOC_DIRBITS    2

#define _IOC_NRMASK     ((1 << _IOC_NRBITS)-1)
#define _IOC_TYPEMASK   ((1 << _IOC_TYPEBITS)-1)
#define _IOC_SIZEMASK   ((1 << _IOC_SIZEBITS)-1)
#define _IOC_DIRMASK    ((1 << _IOC_DIRBITS)-1)
                                                                                                                             
#define _IOC_NRSHIFT    0
#define _IOC_TYPESHIFT  (_IOC_NRSHIFT+_IOC_NRBITS)
#define _IOC_SIZESHIFT  (_IOC_TYPESHIFT+_IOC_TYPEBITS)
#define _IOC_DIRSHIFT   (_IOC_SIZESHIFT+_IOC_SIZEBITS)

#define _IOC(dir,type,nr,size) \
        (((dir)  << _IOC_DIRSHIFT) | \
         ((type) << _IOC_TYPESHIFT) | \
         ((nr)   << _IOC_NRSHIFT) | \
         ((size) << _IOC_SIZESHIFT))


#define _IOR(type,nr,size)      _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOW(type,nr,size)      _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOWR(type,nr,size)     _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))

#define VIDEO_MAJOR     81

#define VFL_TYPE_GRABBER        0
#define VFL_TYPE_VBI            1
#define VFL_TYPE_RADIO          2
#define VFL_TYPE_VTX            3

#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 */

struct video_capability
{
        char name[32];
        int type;
        int channels;   /* Num channels */
        int audios;     /* Num audio devices */
        int maxwidth;   /* Supported width */
        int maxheight;  /* And height */
        int minwidth;   /* Supported width */
        int minheight;  /* And height */
};


struct video_channel
{
        int channel;
        char name[32];
        int tuners;
        __u32  flags;
#define VIDEO_VC_TUNER          1       /* Channel has a tuner */
#define VIDEO_VC_AUDIO          2       /* Channel has audio */
        __u16  type;
#define VIDEO_TYPE_TV           1
#define VIDEO_TYPE_CAMERA       2      
        __u16 norm;                     /* Norm set by channel */
};

struct video_tuner
{
        int tuner;
        char name[32];
        unsigned long rangelow, rangehigh;      /* Tuner range */
        __u32 flags;
#define VIDEO_TUNER_PAL         1
#define VIDEO_TUNER_NTSC        2
#define VIDEO_TUNER_SECAM       4
#define VIDEO_TUNER_LOW         8       /* Uses KHz not MHz */
#define VIDEO_TUNER_NORM        16      /* Tuner can set norm */
#define VIDEO_TUNER_STEREO_ON   128     /* Tuner is seeing stereo */
#define VIDEO_TUNER_RDS_ON      256     /* Tuner is seeing an RDS datastream */
#define VIDEO_TUNER_MBS_ON      512     /* Tuner is seeing an MBS datastream */
        __u16 mode;                     /* PAL/NTSC/SECAM/OTHER */
#define VIDEO_MODE_PAL          0
#define VIDEO_MODE_NTSC         1
#define VIDEO_MODE_SECAM        2
#define VIDEO_MODE_AUTO         3
        __u16 signal;                   /* Signal strength 16bit scale */
};

struct video_picture
{
        __u16   brightness;
        __u16   hue;
        __u16   colour;
        __u16   contrast;
        __u16   whiteness;      /* Black and white only */
        __u16   depth;          /* Capture depth */
        __u16   palette;        /* Palette in use */
#define VIDEO_PALETTE_GREY      1       /* Linear greyscale */
#define VIDEO_PALETTE_HI240     2       /* High 240 cube (BT848) */
#define VIDEO_PALETTE_RGB565    3       /* 565 16 bit RGB */
#define VIDEO_PALETTE_RGB24     4       /* 24bit RGB */
#define VIDEO_PALETTE_RGB32     5       /* 32bit RGB */
#define VIDEO_PALETTE_RGB555    6       /* 555 15bit RGB */
#define VIDEO_PALETTE_YUV422    7       /* YUV422 capture */
#define VIDEO_PALETTE_YUYV      8
#define VIDEO_PALETTE_UYVY      9       /* The great thing about standards is ... */
#define VIDEO_PALETTE_YUV420    10
#define VIDEO_PALETTE_YUV411    11      /* YUV411 capture */
#define VIDEO_PALETTE_RAW       12      /* RAW capture (BT848) */
#define VIDEO_PALETTE_YUV422P   13      /* YUV 4:2:2 Planar */
#define VIDEO_PALETTE_YUV411P   14      /* YUV 4:1:1 Planar */
#define VIDEO_PALETTE_YUV420P   15      /* YUV 4:2:0 Planar */
#define VIDEO_PALETTE_YUV410P   16      /* YUV 4:1:0 Planar */
#define VIDEO_PALETTE_PLANAR    13      /* start of planar entries */
#define VIDEO_PALETTE_COMPONENT 7       /* start of component entries */
};

struct video_audio
{
        int     audio;          /* Audio channel */
        __u16   volume;         /* If settable */
        __u16   bass, treble;
        __u32   flags;
#define VIDEO_AUDIO_MUTE        1
#define VIDEO_AUDIO_MUTABLE     2
#define VIDEO_AUDIO_VOLUME      4
#define VIDEO_AUDIO_BASS        8
#define VIDEO_AUDIO_TREBLE      16     
#define VIDEO_AUDIO_BALANCE     32
        char    name[16];
#define VIDEO_SOUND_MONO        1
#define VIDEO_SOUND_STEREO      2
#define VIDEO_SOUND_LANG1       4
#define VIDEO_SOUND_LANG2       8
        __u16   mode;
        __u16   balance;        /* Stereo balance */
        __u16   step;           /* Step actual volume uses */
};

struct video_clip
{
        __s32   x,y;
        __s32   width, height;
        struct  video_clip *next;       /* For user use/driver use only */
};

struct video_window
{
        __u32   x,y;                    /* Position of window */
        __u32   width,height;           /* Its size */
        __u32   chromakey;
        __u32   flags;
        struct  video_clip *clips;      /* Set only */
        int     clipcount;
#define VIDEO_WINDOW_INTERLACE  1
#define VIDEO_WINDOW_CHROMAKEY  16      /* Overlay by chromakey */
#define VIDEO_CLIP_BITMAP       -1
/* bitmap is 1024x625, a '1' bit represents a clipped pixel */
#define VIDEO_CLIPMAP_SIZE      (128 * 625)
};

struct video_capture
{
        __u32   x,y;                    /* Offsets into image */
        __u32   width, height;          /* Area to capture */
        __u16   decimation;             /* Decimation divider */
        __u16   flags;                  /* Flags for capture */
#define VIDEO_CAPTURE_ODD               0       /* Temporal */
#define VIDEO_CAPTURE_EVEN              1
};

struct video_buffer
{
        void    *base;
        int     height,width;
        int     depth;
        int     bytesperline;
};

struct video_mmap
{
        unsigned        int frame;              /* Frame (0 - n) for double buffer */
        int             height,width;
        unsigned        int format;             /* should be VIDEO_PALETTE_* */
};

struct video_key
{
        __u8    key[8];
        __u32   flags;
};


#define VIDEO_MAX_FRAME         32

struct video_mbuf
{
        int     size;           /* Total memory to map */
        int     frames;         /* Frames */
        int     offsets[VIDEO_MAX_FRAME];
};
       

#define         VIDEO_NO_UNIT   (-1)

       
struct video_unit
{
        int     video;          /* Video minor */
        int     vbi;            /* VBI minor */
        int     radio;          /* Radio minor */
        int     audio;          /* Audio minor */
        int     teletext;       /* Teletext minor */
};

struct vbi_format {
        __u32   sampling_rate;  /* in Hz */
        __u32   samples_per_line;
        __u32   sample_format;  /* VIDEO_PALETTE_RAW only (1 byte) */
        __s32   start[2];       /* starting line for each frame */
        __u32   count[2];       /* count of lines for each frame */
        __u32   flags;
#define VBI_UNSYNC      1       /* can distingues between top/bottom field */
#define VBI_INTERLACED  2       /* lines are interlaced */
};

/* video_info is biased towards hardware mpeg encode/decode */
/* but it could apply generically to any hardware compressor/decompressor */
struct video_info
{
        __u32   frame_count;    /* frames output since decode/encode began */
        __u32   h_size;         /* current unscaled horizontal size */
        __u32   v_size;         /* current unscaled veritcal size */
        __u32   smpte_timecode; /* current SMPTE timecode (for current GOP) */
        __u32   picture_type;   /* current picture type */
        __u32   temporal_reference;     /* current temporal reference */
        __u8    user_data[256]; /* user data last found in compressed stream */
        /* user_data[0] contains user data flags, user_data[1] has count */
};

/* generic structure for setting playback modes */
struct video_play_mode
{
        int     mode;
        int     p1;
        int     p2;
};

/* for loading microcode / fpga programming */
struct video_code
{
        char    loadwhat[16];   /* name or tag of file being passed */
        int     datasize;
        __u8    *data;
};

#define VIDIOCGCAP              _IOR('v',1,struct video_capability)     /* Get capabilities */
#define VIDIOCGCHAN             _IOWR('v',2,struct video_channel)       /* Get channel info (sources) */
#define VIDIOCSCHAN             _IOW('v',3,struct video_channel)        /* Set channel  */
#define VIDIOCGTUNER            _IOWR('v',4,struct video_tuner)         /* Get tuner abilities */
#define VIDIOCSTUNER            _IOW('v',5,struct video_tuner)          /* Tune the tuner for the current channel */
#define VIDIOCGPICT             _IOR('v',6,struct video_picture)        /* Get picture properties */
#define VIDIOCSPICT             _IOW('v',7,struct video_picture)        /* Set picture properties */
#define VIDIOCCAPTURE           _IOW('v',8,int)                         /* Start, end capture */
#define VIDIOCGWIN              _IOR('v',9, struct video_window)        /* Get the video overlay window */
#define VIDIOCSWIN              _IOW('v',10, struct video_window)       /* Set the video overlay window - passes clip list for hardware smarts , chromakey etc */
#define VIDIOCGFBUF             _IOR('v',11, struct video_buffer)       /* Get frame buffer */
#define VIDIOCSFBUF             _IOW('v',12, struct video_buffer)       /* Set frame buffer - root only */
#define VIDIOCKEY               _IOR('v',13, struct video_key)          /* Video key event - to dev 255 is to all - cuts capture on all DMA windows with this key (0xFFFFFFFF == all) */
#define VIDIOCGFREQ             _IOR('v',14, unsigned long)             /* Set tuner */
#define VIDIOCSFREQ             _IOW('v',15, unsigned long)             /* Set tuner */
#define VIDIOCGAUDIO            _IOR('v',16, struct video_audio)        /* Get audio info */
#define VIDIOCSAUDIO            _IOW('v',17, struct video_audio)        /* Audio source, mute etc */
#define VIDIOCSYNC              _IOW('v',18, int)                       /* Sync with mmap grabbing */
#define VIDIOCMCAPTURE          _IOW('v',19, struct video_mmap)         /* Grab frames */
#define VIDIOCGMBUF             _IOR('v',20, struct video_mbuf)         /* Memory map buffer info */
#define VIDIOCGUNIT             _IOR('v',21, struct video_unit)         /* Get attached units */
#define VIDIOCGCAPTURE          _IOR('v',22, struct video_capture)      /* Get subcapture */
#define VIDIOCSCAPTURE          _IOW('v',23, struct video_capture)      /* Set subcapture */
#define VIDIOCSPLAYMODE         _IOW('v',24, struct video_play_mode)    /* Set output video mode/feature */
#define VIDIOCSWRITEMODE        _IOW('v',25, int)                       /* Set write mode */
#define VIDIOCGPLAYINFO         _IOR('v',26, struct video_info)         /* Get current playback info from hardware */
#define VIDIOCSMICROCODE        _IOW('v',27, struct video_code)         /* Load microcode into hardware */
#define VIDIOCGVBIFMT           _IOR('v',28, struct vbi_format)         /* Get VBI information */
#define VIDIOCSVBIFMT           _IOW('v',29, struct vbi_format)         /* Set VBI information */


#define BASE_VIDIOCPRIVATE      192             /* 192-255 are private */

/* VIDIOCSWRITEMODE */
#define VID_WRITE_MPEG_AUD              0
#define VID_WRITE_MPEG_VID              1
#define VID_WRITE_OSD                   2
#define VID_WRITE_TTX                   3
#define VID_WRITE_CC                    4
#define VID_WRITE_MJPEG                 5

/* VIDIOCSPLAYMODE */
#define VID_PLAY_VID_OUT_MODE           0
        /* p1: = VIDEO_MODE_PAL, VIDEO_MODE_NTSC, etc ... */
#define VID_PLAY_GENLOCK                1
        /* p1: 0 = OFF, 1 = ON */
        /* p2: GENLOCK FINE DELAY value */
#define VID_PLAY_NORMAL                 2
#define VID_PLAY_PAUSE                  3
#define VID_PLAY_SINGLE_FRAME           4
#define VID_PLAY_FAST_FORWARD           5
#define VID_PLAY_SLOW_MOTION            6
#define VID_PLAY_IMMEDIATE_NORMAL       7
#define VID_PLAY_SWITCH_CHANNELS        8
#define VID_PLAY_FREEZE_FRAME           9
#define VID_PLAY_STILL_MODE             10
#define VID_PLAY_MASTER_MODE            11
        /* p1: see below */
#define         VID_PLAY_MASTER_NONE    1
#define         VID_PLAY_MASTER_VIDEO   2
#define         VID_PLAY_MASTER_AUDIO   3
#define VID_PLAY_ACTIVE_SCANLINES       12
        /* p1 = first active; p2 = last active */
#define VID_PLAY_RESET                  13
#define VID_PLAY_END_MARK               14



#define VID_HARDWARE_BT848      1
#define VID_HARDWARE_QCAM_BW    2
#define VID_HARDWARE_PMS        3
#define VID_HARDWARE_QCAM_C     4
#define VID_HARDWARE_PSEUDO     5
#define VID_HARDWARE_SAA5249    6
#define VID_HARDWARE_AZTECH     7
#define VID_HARDWARE_SF16MI     8
#define VID_HARDWARE_RTRACK     9
#define VID_HARDWARE_ZOLTRIX    10
#define VID_HARDWARE_SAA7146    11
#define VID_HARDWARE_VIDEUM     12      /* Reserved for Winnov videum */
#define VID_HARDWARE_RTRACK2    13
#define VID_HARDWARE_PERMEDIA2  14      /* Reserved for Permedia2 */
#define VID_HARDWARE_RIVA128    15      /* Reserved for RIVA 128 */
#define VID_HARDWARE_PLANB      16      /* PowerMac motherboard video-in */
#define VID_HARDWARE_BROADWAY   17      /* Broadway project */
#define VID_HARDWARE_GEMTEK     18
#define VID_HARDWARE_TYPHOON    19
#define VID_HARDWARE_VINO       20      /* SGI Indy Vino */
#define VID_HARDWARE_CADET      21      /* Cadet radio */
#define VID_HARDWARE_TRUST      22      /* Trust FM Radio */
#define VID_HARDWARE_TERRATEC   23      /* TerraTec ActiveRadio */
#define VID_HARDWARE_CPIA       24
#define VID_HARDWARE_ZR36120    25      /* Zoran ZR36120/ZR36125 */
#define VID_HARDWARE_ZR36067    26      /* Zoran ZR36067/36060 */
#define VID_HARDWARE_OV511      27     
#define VID_HARDWARE_ZR356700   28      /* Zoran 36700 series */
#define VID_HARDWARE_W9966      29
#define VID_HARDWARE_SE401      30      /* SE401 USB webcams */
#define VID_HARDWARE_PWC        31      /* Philips webcams */
#define VID_HARDWARE_MEYE       32      /* Sony Vaio MotionEye cameras */
#define VID_HARDWARE_CPIA2      33
#define VID_HARDWARE_VICAM      34
#define VID_HARDWARE_SF16FMR2   35

/* Open VideoDev Interface */
int VIDEODEV26_open(int num);

/* IOCTL to VideoDev device */
int VIDEODEV26_ioctl(int num,unsigned int cmd,unsigned long arg);

#endif