f05cce863f
Add two new ioctls to read the 33 bit presentation time stamp from audio and video devices as defined in ITU T-REC-H.222.0 and ISO/IEC 13818-1. Acked-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andreas Oberritter <obi@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
217 lines
6.8 KiB
C
217 lines
6.8 KiB
C
/*
|
|
* video.h
|
|
*
|
|
* Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
|
|
* & Ralph Metzler <ralph@convergence.de>
|
|
* for convergence integrated media GmbH
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef _DVBVIDEO_H_
|
|
#define _DVBVIDEO_H_
|
|
|
|
#include <linux/compiler.h>
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/types.h>
|
|
#else
|
|
#include <stdint.h>
|
|
#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_SYSTEM_PAL,
|
|
VIDEO_SYSTEM_NTSC,
|
|
VIDEO_SYSTEM_PALN,
|
|
VIDEO_SYSTEM_PALNc,
|
|
VIDEO_SYSTEM_PALM,
|
|
VIDEO_SYSTEM_NTSC60,
|
|
VIDEO_SYSTEM_PAL60,
|
|
VIDEO_SYSTEM_PALM60
|
|
} video_system_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;
|
|
|
|
|
|
struct video_event {
|
|
int32_t type;
|
|
#define VIDEO_EVENT_SIZE_CHANGED 1
|
|
#define VIDEO_EVENT_FRAME_RATE_CHANGED 2
|
|
time_t timestamp;
|
|
union {
|
|
video_size_t size;
|
|
unsigned int frame_rate; /* in frames per 1000sec */
|
|
} 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 */
|
|
int32_t size;
|
|
};
|
|
|
|
|
|
typedef
|
|
struct video_highlight {
|
|
int active; /* 1=show highlight, 0=hide highlight */
|
|
uint8_t contrast1; /* 7- 4 Pattern pixel contrast */
|
|
/* 3- 0 Background pixel contrast */
|
|
uint8_t contrast2; /* 7- 4 Emphasis pixel-2 contrast */
|
|
/* 3- 0 Emphasis pixel-1 contrast */
|
|
uint8_t color1; /* 7- 4 Pattern pixel color */
|
|
/* 3- 0 Background pixel color */
|
|
uint8_t color2; /* 7- 4 Emphasis pixel-2 color */
|
|
/* 3- 0 Emphasis pixel-1 color */
|
|
uint32_t ypos; /* 23-22 auto action mode */
|
|
/* 21-12 start y */
|
|
/* 9- 0 end y */
|
|
uint32_t xpos; /* 23-22 button color number */
|
|
/* 21-12 start x */
|
|
/* 9- 0 end x */
|
|
} video_highlight_t;
|
|
|
|
|
|
typedef struct video_spu {
|
|
int active;
|
|
int stream_id;
|
|
} video_spu_t;
|
|
|
|
|
|
typedef struct video_spu_palette { /* SPU Palette information */
|
|
int length;
|
|
uint8_t *palette;
|
|
} video_spu_palette_t;
|
|
|
|
|
|
typedef struct video_navi_pack {
|
|
int length; /* 0 ... 1024 */
|
|
uint8_t data[1024];
|
|
} video_navi_pack_t;
|
|
|
|
|
|
typedef uint16_t 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_ID _IO('o', 35)
|
|
#define VIDEO_SET_STREAMTYPE _IO('o', 36)
|
|
#define VIDEO_SET_FORMAT _IO('o', 37)
|
|
#define VIDEO_SET_SYSTEM _IO('o', 38)
|
|
#define VIDEO_SET_HIGHLIGHT _IOW('o', 39, video_highlight_t)
|
|
#define VIDEO_SET_SPU _IOW('o', 50, video_spu_t)
|
|
#define VIDEO_SET_SPU_PALETTE _IOW('o', 51, video_spu_palette_t)
|
|
#define VIDEO_GET_NAVI _IOR('o', 52, video_navi_pack_t)
|
|
#define VIDEO_SET_ATTRIBUTES _IO('o', 53)
|
|
#define VIDEO_GET_SIZE _IOR('o', 55, video_size_t)
|
|
#define VIDEO_GET_FRAME_RATE _IOR('o', 56, unsigned int)
|
|
|
|
/**
|
|
* 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)
|
|
|
|
#endif /*_DVBVIDEO_H_*/
|