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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [dvb/] [video.h] - Blame information for rev 62

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1 62 marcus.erl
/*
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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 _DVBVIDEO_H_
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#define _DVBVIDEO_H_
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#include <linux/compiler.h>
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#ifdef __KERNEL__
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#include <linux/types.h>
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#else
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#include <asm/types.h>
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#include <stdint.h>
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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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        int32_t 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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        time_t 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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        int32_t 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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        uint8_t contrast1;   /*    7- 4  Pattern pixel contrast */
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                             /*    3- 0  Background pixel contrast */
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        uint8_t contrast2;   /*    7- 4  Emphasis pixel-2 contrast */
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                             /*    3- 0  Emphasis pixel-1 contrast */
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        uint8_t color1;      /*    7- 4  Pattern pixel color */
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                             /*    3- 0  Background pixel color */
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        uint8_t color2;      /*    7- 4  Emphasis pixel-2 color */
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                             /*    3- 0  Emphasis pixel-1 color */
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        uint32_t 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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        uint32_t 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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        uint8_t __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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        uint8_t data[1024];
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} video_navi_pack_t;
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typedef uint16_t 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=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 /*_DVBVIDEO_H_*/

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