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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
277 lines
8.7 KiB
C
277 lines
8.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
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/*
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* video.h
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*
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* Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
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* & Ralph Metzler <ralph@convergence.de>
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* for convergence integrated media GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _UAPI_DVBVIDEO_H_
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#define _UAPI_DVBVIDEO_H_
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#include <linux/types.h>
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#ifndef __KERNEL__
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#include <time.h>
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#endif
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typedef enum {
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VIDEO_FORMAT_4_3, /* Select 4:3 format */
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VIDEO_FORMAT_16_9, /* Select 16:9 format. */
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VIDEO_FORMAT_221_1 /* 2.21:1 */
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} video_format_t;
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typedef enum {
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VIDEO_SYSTEM_PAL,
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VIDEO_SYSTEM_NTSC,
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VIDEO_SYSTEM_PALN,
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VIDEO_SYSTEM_PALNc,
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VIDEO_SYSTEM_PALM,
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VIDEO_SYSTEM_NTSC60,
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VIDEO_SYSTEM_PAL60,
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VIDEO_SYSTEM_PALM60
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} video_system_t;
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typedef enum {
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VIDEO_PAN_SCAN, /* use pan and scan format */
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VIDEO_LETTER_BOX, /* use letterbox format */
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VIDEO_CENTER_CUT_OUT /* use center cut out format */
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} video_displayformat_t;
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typedef struct {
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int w;
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int h;
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video_format_t aspect_ratio;
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} video_size_t;
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typedef enum {
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VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */
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VIDEO_SOURCE_MEMORY /* If this source is selected, the stream
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comes from the user through the write
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system call */
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} video_stream_source_t;
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typedef enum {
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VIDEO_STOPPED, /* Video is stopped */
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VIDEO_PLAYING, /* Video is currently playing */
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VIDEO_FREEZED /* Video is freezed */
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} video_play_state_t;
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/* Decoder commands */
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#define VIDEO_CMD_PLAY (0)
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#define VIDEO_CMD_STOP (1)
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#define VIDEO_CMD_FREEZE (2)
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#define VIDEO_CMD_CONTINUE (3)
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/* Flags for VIDEO_CMD_FREEZE */
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#define VIDEO_CMD_FREEZE_TO_BLACK (1 << 0)
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/* Flags for VIDEO_CMD_STOP */
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#define VIDEO_CMD_STOP_TO_BLACK (1 << 0)
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#define VIDEO_CMD_STOP_IMMEDIATELY (1 << 1)
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/* Play input formats: */
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/* The decoder has no special format requirements */
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#define VIDEO_PLAY_FMT_NONE (0)
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/* The decoder requires full GOPs */
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#define VIDEO_PLAY_FMT_GOP (1)
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/* The structure must be zeroed before use by the application
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This ensures it can be extended safely in the future. */
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struct video_command {
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__u32 cmd;
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__u32 flags;
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union {
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struct {
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__u64 pts;
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} stop;
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struct {
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/* 0 or 1000 specifies normal speed,
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1 specifies forward single stepping,
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-1 specifies backward single stepping,
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>1: playback at speed/1000 of the normal speed,
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<-1: reverse playback at (-speed/1000) of the normal speed. */
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__s32 speed;
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__u32 format;
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} play;
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struct {
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__u32 data[16];
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} raw;
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};
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};
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/* FIELD_UNKNOWN can be used if the hardware does not know whether
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the Vsync is for an odd, even or progressive (i.e. non-interlaced)
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field. */
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#define VIDEO_VSYNC_FIELD_UNKNOWN (0)
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#define VIDEO_VSYNC_FIELD_ODD (1)
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#define VIDEO_VSYNC_FIELD_EVEN (2)
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#define VIDEO_VSYNC_FIELD_PROGRESSIVE (3)
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struct video_event {
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__s32 type;
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#define VIDEO_EVENT_SIZE_CHANGED 1
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#define VIDEO_EVENT_FRAME_RATE_CHANGED 2
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#define VIDEO_EVENT_DECODER_STOPPED 3
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#define VIDEO_EVENT_VSYNC 4
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/* unused, make sure to use atomic time for y2038 if it ever gets used */
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long timestamp;
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union {
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video_size_t size;
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unsigned int frame_rate; /* in frames per 1000sec */
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unsigned char vsync_field; /* unknown/odd/even/progressive */
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} u;
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};
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struct video_status {
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int video_blank; /* blank video on freeze? */
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video_play_state_t play_state; /* current state of playback */
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video_stream_source_t stream_source; /* current source (demux/memory) */
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video_format_t video_format; /* current aspect ratio of stream*/
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video_displayformat_t display_format;/* selected cropping mode */
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};
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struct video_still_picture {
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char __user *iFrame; /* pointer to a single iframe in memory */
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__s32 size;
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};
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typedef
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struct video_highlight {
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int active; /* 1=show highlight, 0=hide highlight */
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__u8 contrast1; /* 7- 4 Pattern pixel contrast */
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/* 3- 0 Background pixel contrast */
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__u8 contrast2; /* 7- 4 Emphasis pixel-2 contrast */
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/* 3- 0 Emphasis pixel-1 contrast */
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__u8 color1; /* 7- 4 Pattern pixel color */
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/* 3- 0 Background pixel color */
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__u8 color2; /* 7- 4 Emphasis pixel-2 color */
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/* 3- 0 Emphasis pixel-1 color */
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__u32 ypos; /* 23-22 auto action mode */
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/* 21-12 start y */
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/* 9- 0 end y */
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__u32 xpos; /* 23-22 button color number */
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/* 21-12 start x */
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/* 9- 0 end x */
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} video_highlight_t;
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typedef struct video_spu {
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int active;
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int stream_id;
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} video_spu_t;
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typedef struct video_spu_palette { /* SPU Palette information */
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int length;
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__u8 __user *palette;
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} video_spu_palette_t;
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typedef struct video_navi_pack {
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int length; /* 0 ... 1024 */
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__u8 data[1024];
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} video_navi_pack_t;
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typedef __u16 video_attributes_t;
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/* bits: descr. */
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/* 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */
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/* 13-12 TV system (0=525/60, 1=625/50) */
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/* 11-10 Aspect ratio (0=4:3, 3=16:9) */
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/* 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */
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/* 7 line 21-1 data present in GOP (1=yes, 0=no) */
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/* 6 line 21-2 data present in GOP (1=yes, 0=no) */
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/* 5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 */
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/* 2 source letterboxed (1=yes, 0=no) */
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/* 0 film/camera mode (0=
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*camera, 1=film (625/50 only)) */
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/* bit definitions for capabilities: */
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/* can the hardware decode MPEG1 and/or MPEG2? */
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#define VIDEO_CAP_MPEG1 1
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#define VIDEO_CAP_MPEG2 2
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/* can you send a system and/or program stream to video device?
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(you still have to open the video and the audio device but only
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send the stream to the video device) */
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#define VIDEO_CAP_SYS 4
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#define VIDEO_CAP_PROG 8
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/* can the driver also handle SPU, NAVI and CSS encoded data?
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(CSS API is not present yet) */
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#define VIDEO_CAP_SPU 16
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#define VIDEO_CAP_NAVI 32
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#define VIDEO_CAP_CSS 64
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#define VIDEO_STOP _IO('o', 21)
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#define VIDEO_PLAY _IO('o', 22)
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#define VIDEO_FREEZE _IO('o', 23)
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#define VIDEO_CONTINUE _IO('o', 24)
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#define VIDEO_SELECT_SOURCE _IO('o', 25)
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#define VIDEO_SET_BLANK _IO('o', 26)
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#define VIDEO_GET_STATUS _IOR('o', 27, struct video_status)
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#define VIDEO_GET_EVENT _IOR('o', 28, struct video_event)
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#define VIDEO_SET_DISPLAY_FORMAT _IO('o', 29)
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#define VIDEO_STILLPICTURE _IOW('o', 30, struct video_still_picture)
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#define VIDEO_FAST_FORWARD _IO('o', 31)
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#define VIDEO_SLOWMOTION _IO('o', 32)
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#define VIDEO_GET_CAPABILITIES _IOR('o', 33, unsigned int)
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#define VIDEO_CLEAR_BUFFER _IO('o', 34)
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#define VIDEO_SET_ID _IO('o', 35)
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#define VIDEO_SET_STREAMTYPE _IO('o', 36)
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#define VIDEO_SET_FORMAT _IO('o', 37)
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#define VIDEO_SET_SYSTEM _IO('o', 38)
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#define VIDEO_SET_HIGHLIGHT _IOW('o', 39, video_highlight_t)
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#define VIDEO_SET_SPU _IOW('o', 50, video_spu_t)
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#define VIDEO_SET_SPU_PALETTE _IOW('o', 51, video_spu_palette_t)
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#define VIDEO_GET_NAVI _IOR('o', 52, video_navi_pack_t)
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#define VIDEO_SET_ATTRIBUTES _IO('o', 53)
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#define VIDEO_GET_SIZE _IOR('o', 55, video_size_t)
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#define VIDEO_GET_FRAME_RATE _IOR('o', 56, unsigned int)
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/**
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* VIDEO_GET_PTS
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*
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* Read the 33 bit presentation time stamp as defined
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* in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
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*
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* The PTS should belong to the currently played
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* frame if possible, but may also be a value close to it
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* like the PTS of the last decoded frame or the last PTS
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* extracted by the PES parser.
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*/
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#define VIDEO_GET_PTS _IOR('o', 57, __u64)
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/* Read the number of displayed frames since the decoder was started */
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#define VIDEO_GET_FRAME_COUNT _IOR('o', 58, __u64)
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#define VIDEO_COMMAND _IOWR('o', 59, struct video_command)
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#define VIDEO_TRY_COMMAND _IOWR('o', 60, struct video_command)
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#endif /* _UAPI_DVBVIDEO_H_ */
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