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File Content: `video.h`

/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
/*
 * video.h - DEPRECATED MPEG-TS video decoder API
 *
 * NOTE: should not be used on future drivers
 *
 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
 *                  & Ralph  Metzler <ralph@convergence.de>
 *                    for convergence integrated media GmbH
 */

#ifndef _UAPI_DVBVIDEO_H_
#define _UAPI_DVBVIDEO_H_

#include <linux/types.h>
#ifndef __KERNEL__
#include <time.h>
#endif

typedef enum {
	VIDEO_FORMAT_4_3,     /* Select 4:3 format */
	VIDEO_FORMAT_16_9,    /* Select 16:9 format. */
	VIDEO_FORMAT_221_1    /* 2.21:1 */
} video_format_t;


typedef enum {
	VIDEO_PAN_SCAN,       /* use pan and scan format */
	VIDEO_LETTER_BOX,     /* use letterbox format */
	VIDEO_CENTER_CUT_OUT  /* use center cut out format */
} video_displayformat_t;

typedef struct {
	int w;
	int h;
	video_format_t aspect_ratio;
} video_size_t;

typedef enum {
	VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */
	VIDEO_SOURCE_MEMORY /* If this source is selected, the stream
			       comes from the user through the write
			       system call */
} video_stream_source_t;


typedef enum {
	VIDEO_STOPPED, /* Video is stopped */
	VIDEO_PLAYING, /* Video is currently playing */
	VIDEO_FREEZED  /* Video is freezed */
} video_play_state_t;


/* Decoder commands */
#define VIDEO_CMD_PLAY        (0)
#define VIDEO_CMD_STOP        (1)
#define VIDEO_CMD_FREEZE      (2)
#define VIDEO_CMD_CONTINUE    (3)

/* Flags for VIDEO_CMD_FREEZE */
#define VIDEO_CMD_FREEZE_TO_BLACK	(1 << 0)

/* Flags for VIDEO_CMD_STOP */
#define VIDEO_CMD_STOP_TO_BLACK		(1 << 0)
#define VIDEO_CMD_STOP_IMMEDIATELY	(1 << 1)

/* Play input formats: */
/* The decoder has no special format requirements */
#define VIDEO_PLAY_FMT_NONE         (0)
/* The decoder requires full GOPs */
#define VIDEO_PLAY_FMT_GOP          (1)

/* The structure must be zeroed before use by the application
   This ensures it can be extended safely in the future. */
struct video_command {
	__u32 cmd;
	__u32 flags;
	union {
		struct {
			__u64 pts;
		} stop;

		struct {
			/* 0 or 1000 specifies normal speed,
			   1 specifies forward single stepping,
			   -1 specifies backward single stepping,
			   >1: playback at speed/1000 of the normal speed,
			   <-1: reverse playback at (-speed/1000) of the normal speed. */
			__s32 speed;
			__u32 format;
		} play;

		struct {
			__u32 data[16];
		} raw;
	};
};

/* FIELD_UNKNOWN can be used if the hardware does not know whether
   the Vsync is for an odd, even or progressive (i.e. non-interlaced)
   field. */
#define VIDEO_VSYNC_FIELD_UNKNOWN	(0)
#define VIDEO_VSYNC_FIELD_ODD		(1)
#define VIDEO_VSYNC_FIELD_EVEN		(2)
#define VIDEO_VSYNC_FIELD_PROGRESSIVE	(3)

struct video_event {
	__s32 type;
#define VIDEO_EVENT_SIZE_CHANGED	1
#define VIDEO_EVENT_FRAME_RATE_CHANGED	2
#define VIDEO_EVENT_DECODER_STOPPED	3
#define VIDEO_EVENT_VSYNC		4
	/* unused, make sure to use atomic time for y2038 if it ever gets used */
	long timestamp;
	union {
		video_size_t size;
		unsigned int frame_rate;	/* in frames per 1000sec */
		unsigned char vsync_field;	/* unknown/odd/even/progressive */
	} u;
};


struct video_status {
	int                   video_blank;   /* blank video on freeze? */
	video_play_state_t    play_state;    /* current state of playback */
	video_stream_source_t stream_source; /* current source (demux/memory) */
	video_format_t        video_format;  /* current aspect ratio of stream*/
	video_displayformat_t display_format;/* selected cropping mode */
};


struct video_still_picture {
	char __user *iFrame;        /* pointer to a single iframe in memory */
	__s32 size;
};


typedef __u16 video_attributes_t;
/*   bits: descr. */
/*   15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */
/*   13-12 TV system (0=525/60, 1=625/50) */
/*   11-10 Aspect ratio (0=4:3, 3=16:9) */
/*    9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */
/*    7    line 21-1 data present in GOP (1=yes, 0=no) */
/*    6    line 21-2 data present in GOP (1=yes, 0=no) */
/*    5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 */
/*    2    source letterboxed (1=yes, 0=no) */
/*    0    film/camera mode (0=
 *camera, 1=film (625/50 only)) */


/* bit definitions for capabilities: */
/* can the hardware decode MPEG1 and/or MPEG2? */
#define VIDEO_CAP_MPEG1   1
#define VIDEO_CAP_MPEG2   2
/* can you send a system and/or program stream to video device?
   (you still have to open the video and the audio device but only
    send the stream to the video device) */
#define VIDEO_CAP_SYS     4
#define VIDEO_CAP_PROG    8
/* can the driver also handle SPU, NAVI and CSS encoded data?
   (CSS API is not present yet) */
#define VIDEO_CAP_SPU    16
#define VIDEO_CAP_NAVI   32
#define VIDEO_CAP_CSS    64


#define VIDEO_STOP                 _IO('o', 21)
#define VIDEO_PLAY                 _IO('o', 22)
#define VIDEO_FREEZE               _IO('o', 23)
#define VIDEO_CONTINUE             _IO('o', 24)
#define VIDEO_SELECT_SOURCE        _IO('o', 25)
#define VIDEO_SET_BLANK            _IO('o', 26)
#define VIDEO_GET_STATUS           _IOR('o', 27, struct video_status)
#define VIDEO_GET_EVENT            _IOR('o', 28, struct video_event)
#define VIDEO_SET_DISPLAY_FORMAT   _IO('o', 29)
#define VIDEO_STILLPICTURE         _IOW('o', 30, struct video_still_picture)
#define VIDEO_FAST_FORWARD         _IO('o', 31)
#define VIDEO_SLOWMOTION           _IO('o', 32)
#define VIDEO_GET_CAPABILITIES     _IOR('o', 33, unsigned int)
#define VIDEO_CLEAR_BUFFER         _IO('o',  34)
#define VIDEO_SET_STREAMTYPE       _IO('o', 36)
#define VIDEO_SET_FORMAT           _IO('o', 37)
#define VIDEO_GET_SIZE             _IOR('o', 55, video_size_t)

/**
 * VIDEO_GET_PTS
 *
 * Read the 33 bit presentation time stamp as defined
 * in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
 *
 * The PTS should belong to the currently played
 * frame if possible, but may also be a value close to it
 * like the PTS of the last decoded frame or the last PTS
 * extracted by the PES parser.
 */
#define VIDEO_GET_PTS              _IOR('o', 57, __u64)

/* Read the number of displayed frames since the decoder was started */
#define VIDEO_GET_FRAME_COUNT	   _IOR('o', 58, __u64)

#define VIDEO_COMMAND		   _IOWR('o', 59, struct video_command)
#define VIDEO_TRY_COMMAND	   _IOWR('o', 60, struct video_command)

#endif /* _UAPI_DVBVIDEO_H_ */

Name	Size	Permission
audio.h	2813 bytes	0644
ca.h	3542 bytes	0644
dmx.h	9508 bytes	0644
frontend.h	30424 bytes	0644
net.h	1390 bytes	0644
osd.h	5234 bytes	0644
version.h	345 bytes	0644
video.h	6417 bytes	0644

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File Content: video.h

File Content: `video.h`