mirror of
https://github.com/mpv-player/mpv
synced 2024-11-14 22:48:35 +01:00
284 lines
8.5 KiB
C
284 lines
8.5 KiB
C
#ifndef __LINUX_VIDEODEV_H
|
|
#define __LINUX_VIDEODEV_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#if LINUX_VERSION_CODE >= 0x020100
|
|
#include <linux/poll.h>
|
|
#endif
|
|
|
|
struct video_device
|
|
{
|
|
char name[32];
|
|
int type;
|
|
int hardware;
|
|
|
|
int (*open)(struct video_device *, int mode);
|
|
void (*close)(struct video_device *);
|
|
long (*read)(struct video_device *, char *, unsigned long, int noblock);
|
|
/* Do we need a write method ? */
|
|
long (*write)(struct video_device *, const char *, unsigned long, int noblock);
|
|
#if LINUX_VERSION_CODE >= 0x020100
|
|
unsigned int (*poll)(struct video_device *, struct file *, poll_table *);
|
|
#endif
|
|
int (*ioctl)(struct video_device *, unsigned int , void *);
|
|
int (*mmap)(struct video_device *, const char *, unsigned long);
|
|
int (*initialize)(struct video_device *);
|
|
void *priv; /* Used to be 'private' but that upsets C++ */
|
|
int busy;
|
|
int minor;
|
|
};
|
|
|
|
extern int videodev_init(void);
|
|
#define VIDEO_MAJOR 81
|
|
extern int video_register_device(struct video_device *, int type);
|
|
|
|
#define VFL_TYPE_GRABBER 0
|
|
#define VFL_TYPE_VBI 1
|
|
#define VFL_TYPE_RADIO 2
|
|
#define VFL_TYPE_VTX 3
|
|
|
|
extern void video_unregister_device(struct video_device *);
|
|
#endif
|
|
|
|
|
|
#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 */
|
|
|
|
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];
|
|
ulong 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 */
|
|
__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
|
|
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; /* detected audio carriers or one to set */
|
|
__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_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 divder */
|
|
__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 */
|
|
};
|
|
|
|
#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) /* Set 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 frame buffer */
|
|
#define VIDIOCSCAPTURE _IOW('v',23, struct video_capture) /* Set frame buffer - root only */
|
|
|
|
#define BASE_VIDIOCPRIVATE 192 /* 192-255 are private */
|
|
|
|
|
|
#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 */
|
|
|
|
/*
|
|
* Initialiser list
|
|
*/
|
|
|
|
struct video_init
|
|
{
|
|
char *name;
|
|
int (*init)(struct video_init *);
|
|
};
|
|
|
|
#endif
|