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203 lines
6.7 KiB
203 lines
6.7 KiB
/*
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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 <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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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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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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} 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 *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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#endif /*_DVBVIDEO_H_*/
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