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1/*
2 * video.h
3 *
4 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
5 * & Ralph Metzler <ralph@convergence.de>
6 * for convergence integrated media GmbH
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation; either version 2.1
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 *
22 */
23
24#ifndef _DVBVIDEO_H_
25#define _DVBVIDEO_H_
26
27#include <linux/compiler.h>
28
29#ifdef __KERNEL__
30#include <linux/types.h>
31#else
32#include <stdint.h>
33#include <time.h>
34#endif
35
36
37typedef enum {
38 VIDEO_FORMAT_4_3, /* Select 4:3 format */
39 VIDEO_FORMAT_16_9, /* Select 16:9 format. */
40 VIDEO_FORMAT_221_1 /* 2.21:1 */
41} video_format_t;
42
43
44typedef enum {
45 VIDEO_SYSTEM_PAL,
46 VIDEO_SYSTEM_NTSC,
47 VIDEO_SYSTEM_PALN,
48 VIDEO_SYSTEM_PALNc,
49 VIDEO_SYSTEM_PALM,
50 VIDEO_SYSTEM_NTSC60,
51 VIDEO_SYSTEM_PAL60,
52 VIDEO_SYSTEM_PALM60
53} video_system_t;
54
55
56typedef enum {
57 VIDEO_PAN_SCAN, /* use pan and scan format */
58 VIDEO_LETTER_BOX, /* use letterbox format */
59 VIDEO_CENTER_CUT_OUT /* use center cut out format */
60} video_displayformat_t;
61
62typedef struct {
63 int w;
64 int h;
65 video_format_t aspect_ratio;
66} video_size_t;
67
68typedef enum {
69 VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */
70 VIDEO_SOURCE_MEMORY /* If this source is selected, the stream
71 comes from the user through the write
72 system call */
73} video_stream_source_t;
74
75
76typedef enum {
77 VIDEO_STOPPED, /* Video is stopped */
78 VIDEO_PLAYING, /* Video is currently playing */
79 VIDEO_FREEZED /* Video is freezed */
80} video_play_state_t;
81
82
83struct video_event {
84 int32_t type;
85#define VIDEO_EVENT_SIZE_CHANGED 1
86#define VIDEO_EVENT_FRAME_RATE_CHANGED 2
87 time_t timestamp;
88 union {
89 video_size_t size;
90 unsigned int frame_rate; /* in frames per 1000sec */
91 } u;
92};
93
94
95struct video_status {
96 int video_blank; /* blank video on freeze? */
97 video_play_state_t play_state; /* current state of playback */
98 video_stream_source_t stream_source; /* current source (demux/memory) */
99 video_format_t video_format; /* current aspect ratio of stream*/
100 video_displayformat_t display_format;/* selected cropping mode */
101};
102
103
104struct video_still_picture {
105 char __user *iFrame; /* pointer to a single iframe in memory */
106 int32_t size;
107};
108
109
110typedef
111struct video_highlight {
112 int active; /* 1=show highlight, 0=hide highlight */
113 uint8_t contrast1; /* 7- 4 Pattern pixel contrast */
114 /* 3- 0 Background pixel contrast */
115 uint8_t contrast2; /* 7- 4 Emphasis pixel-2 contrast */
116 /* 3- 0 Emphasis pixel-1 contrast */
117 uint8_t color1; /* 7- 4 Pattern pixel color */
118 /* 3- 0 Background pixel color */
119 uint8_t color2; /* 7- 4 Emphasis pixel-2 color */
120 /* 3- 0 Emphasis pixel-1 color */
121 uint32_t ypos; /* 23-22 auto action mode */
122 /* 21-12 start y */
123 /* 9- 0 end y */
124 uint32_t xpos; /* 23-22 button color number */
125 /* 21-12 start x */
126 /* 9- 0 end x */
127} video_highlight_t;
128
129
130typedef struct video_spu {
131 int active;
132 int stream_id;
133} video_spu_t;
134
135
136typedef struct video_spu_palette { /* SPU Palette information */
137 int length;
138 uint8_t __user *palette;
139} video_spu_palette_t;
140
141
142typedef struct video_navi_pack {
143 int length; /* 0 ... 1024 */
144 uint8_t data[1024];
145} video_navi_pack_t;
146
147
148typedef uint16_t video_attributes_t;
149/* bits: descr. */
150/* 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */
151/* 13-12 TV system (0=525/60, 1=625/50) */
152/* 11-10 Aspect ratio (0=4:3, 3=16:9) */
153/* 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */
154/* 7 line 21-1 data present in GOP (1=yes, 0=no) */
155/* 6 line 21-2 data present in GOP (1=yes, 0=no) */
156/* 5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 */
157/* 2 source letterboxed (1=yes, 0=no) */
158/* 0 film/camera mode (0=camera, 1=film (625/50 only)) */
159
160
161/* bit definitions for capabilities: */
162/* can the hardware decode MPEG1 and/or MPEG2? */
163#define VIDEO_CAP_MPEG1 1
164#define VIDEO_CAP_MPEG2 2
165/* can you send a system and/or program stream to video device?
166 (you still have to open the video and the audio device but only
167 send the stream to the video device) */
168#define VIDEO_CAP_SYS 4
169#define VIDEO_CAP_PROG 8
170/* can the driver also handle SPU, NAVI and CSS encoded data?
171 (CSS API is not present yet) */
172#define VIDEO_CAP_SPU 16
173#define VIDEO_CAP_NAVI 32
174#define VIDEO_CAP_CSS 64
175
176
177#define VIDEO_STOP _IO('o', 21)
178#define VIDEO_PLAY _IO('o', 22)
179#define VIDEO_FREEZE _IO('o', 23)
180#define VIDEO_CONTINUE _IO('o', 24)
181#define VIDEO_SELECT_SOURCE _IO('o', 25)
182#define VIDEO_SET_BLANK _IO('o', 26)
183#define VIDEO_GET_STATUS _IOR('o', 27, struct video_status)
184#define VIDEO_GET_EVENT _IOR('o', 28, struct video_event)
185#define VIDEO_SET_DISPLAY_FORMAT _IO('o', 29)
186#define VIDEO_STILLPICTURE _IOW('o', 30, struct video_still_picture)
187#define VIDEO_FAST_FORWARD _IO('o', 31)
188#define VIDEO_SLOWMOTION _IO('o', 32)
189#define VIDEO_GET_CAPABILITIES _IOR('o', 33, unsigned int)
190#define VIDEO_CLEAR_BUFFER _IO('o', 34)
191#define VIDEO_SET_ID _IO('o', 35)
192#define VIDEO_SET_STREAMTYPE _IO('o', 36)
193#define VIDEO_SET_FORMAT _IO('o', 37)
194#define VIDEO_SET_SYSTEM _IO('o', 38)
195#define VIDEO_SET_HIGHLIGHT _IOW('o', 39, video_highlight_t)
196#define VIDEO_SET_SPU _IOW('o', 50, video_spu_t)
197#define VIDEO_SET_SPU_PALETTE _IOW('o', 51, video_spu_palette_t)
198#define VIDEO_GET_NAVI _IOR('o', 52, video_navi_pack_t)
199#define VIDEO_SET_ATTRIBUTES _IO('o', 53)
200#define VIDEO_GET_SIZE _IOR('o', 55, video_size_t)
201#define VIDEO_GET_FRAME_RATE _IOR('o', 56, unsigned int)
202
203/**
204 * VIDEO_GET_PTS
205 *
206 * Read the 33 bit presentation time stamp as defined
207 * in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
208 *
209 * The PTS should belong to the currently played
210 * frame if possible, but may also be a value close to it
211 * like the PTS of the last decoded frame or the last PTS
212 * extracted by the PES parser.
213 */
214#define VIDEO_GET_PTS _IOR('o', 57, __u64)
215
216#endif /*_DVBVIDEO_H_*/