Differential D1482 Diff 5745 multimedia/libv4l/files/videodev.h

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multimedia/libv4l/files/videodev.h

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				/*
				* Video for Linux version 1 - OBSOLETE
				*
				* Header file for v4l1 drivers and applications, for
				* Linux kernels 2.2.x or 2.4.x.
				*
				* Provides header for legacy drivers and applications
				*
				* See http://linuxtv.org for more info
				*
				*/
				#ifndef __LINUX_VIDEODEV_H
				#define __LINUX_VIDEODEV_H

				#include <sys/types.h>
				#include <sys/ioctl.h>
				#include <linux/videodev2.h>

				#if defined(__MIN_V4L1) && defined (__KERNEL__)

				/*
				* Used by those V4L2 core functions that need a minimum V4L1 support,
				* in order to allow V4L1 Compatibilty code compilation.
				*/

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

				#define VIDIOCGMBUF _IOR('v',20, struct video_mbuf) /* Memory map buffer info */

				#else
				#if defined(CONFIG_VIDEO_V4L1_COMPAT) \|\| !defined (__KERNEL__)

				#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;
				uint32_t flags;
				#define VIDEO_VC_TUNER 1 /* Channel has a tuner */
				#define VIDEO_VC_AUDIO 2 /* Channel has audio */
				uint16_t type;
				#define VIDEO_TYPE_TV 1
				#define VIDEO_TYPE_CAMERA 2
				uint16_t norm; /* Norm set by channel */
				};

				struct video_tuner
				{
				int tuner;
				char name[32];
				unsigned long rangelow, rangehigh; /* Tuner range */
				uint32_t 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 */
				uint16_t 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
				uint16_t signal; /* Signal strength 16bit scale */
				};

				struct video_picture
				{
				uint16_t brightness;
				uint16_t hue;
				uint16_t colour;
				uint16_t contrast;
				uint16_t whiteness; /* Black and white only */
				uint16_t depth; /* Capture depth */
				uint16_t 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 */
				uint16_t volume; /* If settable */
				uint16_t bass, treble;
				uint32_t 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
				uint16_t mode;
				uint16_t balance; /* Stereo balance */
				uint16_t step; /* Step actual volume uses */
				};

				struct video_clip
				{
				int32_t x,y;
				int32_t width, height;
				struct video_clip next; / For user use/driver use only */
				};

				struct video_window
				{
				uint32_t x,y; /* Position of window */
				uint32_t width,height; /* Its size */
				uint32_t chromakey;
				uint32_t 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
				{
				uint32_t x,y; /* Offsets into image */
				uint32_t width, height; /* Area to capture */
				uint16_t decimation; /* Decimation divider */
				uint16_t 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
				{
				uint8_t key[8];
				uint32_t flags;
				};

				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 {
				uint32_t sampling_rate; /* in Hz */
				uint32_t samples_per_line;
				uint32_t sample_format; /* VIDEO_PALETTE_RAW only (1 byte) */
				int32_t start[2]; /* starting line for each frame */
				uint32_t count[2]; /* count of lines for each frame */
				uint32_t 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
				{
				uint32_t frame_count; /* frames output since decode/encode began */
				uint32_t h_size; /* current unscaled horizontal size */
				uint32_t v_size; /* current unscaled veritcal size */
				uint32_t smpte_timecode; /* current SMPTE timecode (for current GOP) */
				uint32_t picture_type; /* current picture type */
				uint32_t temporal_reference; /* current temporal reference */
				uint8_t 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;
				uint8_t *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

				#endif /* CONFIG_VIDEO_V4L1_COMPAT */
				#endif /* __MIN_V4L1 */

				#endif /* __LINUX_VIDEODEV_H */

				/*
				* Local variables:
				* c-basic-offset: 8
				* End:
				*/