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1da177e4 LT |
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 | ||
37 | typedef enum { | |
38 | VIDEO_FORMAT_4_3, /* Select 4:3 format */ | |
afd1a0c9 | 39 | VIDEO_FORMAT_16_9, /* Select 16:9 format. */ |
1da177e4 LT |
40 | VIDEO_FORMAT_221_1 /* 2.21:1 */ |
41 | } video_format_t; | |
42 | ||
43 | ||
44 | typedef 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 | ||
56 | typedef enum { | |
afd1a0c9 | 57 | VIDEO_PAN_SCAN, /* use pan and scan format */ |
1da177e4 LT |
58 | VIDEO_LETTER_BOX, /* use letterbox format */ |
59 | VIDEO_CENTER_CUT_OUT /* use center cut out format */ | |
60 | } video_displayformat_t; | |
61 | ||
62 | typedef struct { | |
63 | int w; | |
64 | int h; | |
65 | video_format_t aspect_ratio; | |
66 | } video_size_t; | |
67 | ||
68 | typedef enum { | |
afd1a0c9 | 69 | VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */ |
1da177e4 LT |
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 | ||
76 | typedef enum { | |
77 | VIDEO_STOPPED, /* Video is stopped */ | |
afd1a0c9 | 78 | VIDEO_PLAYING, /* Video is currently playing */ |
1da177e4 LT |
79 | VIDEO_FREEZED /* Video is freezed */ |
80 | } video_play_state_t; | |
81 | ||
82 | ||
83 | struct video_event { | |
afd1a0c9 | 84 | int32_t type; |
1da177e4 LT |
85 | #define VIDEO_EVENT_SIZE_CHANGED 1 |
86 | #define VIDEO_EVENT_FRAME_RATE_CHANGED 2 | |
afd1a0c9 | 87 | time_t timestamp; |
1da177e4 | 88 | union { |
afd1a0c9 | 89 | video_size_t size; |
1da177e4 LT |
90 | unsigned int frame_rate; /* in frames per 1000sec */ |
91 | } u; | |
92 | }; | |
93 | ||
94 | ||
95 | struct video_status { | |
afd1a0c9 MCC |
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 */ | |
1da177e4 LT |
101 | }; |
102 | ||
103 | ||
104 | struct video_still_picture { | |
afd1a0c9 MCC |
105 | char __user *iFrame; /* pointer to a single iframe in memory */ |
106 | int32_t size; | |
1da177e4 LT |
107 | }; |
108 | ||
109 | ||
110 | typedef | |
111 | struct video_highlight { | |
112 | int active; /* 1=show highlight, 0=hide highlight */ | |
113 | uint8_t contrast1; /* 7- 4 Pattern pixel contrast */ | |
afd1a0c9 | 114 | /* 3- 0 Background pixel contrast */ |
1da177e4 | 115 | uint8_t contrast2; /* 7- 4 Emphasis pixel-2 contrast */ |
afd1a0c9 | 116 | /* 3- 0 Emphasis pixel-1 contrast */ |
1da177e4 | 117 | uint8_t color1; /* 7- 4 Pattern pixel color */ |
afd1a0c9 | 118 | /* 3- 0 Background pixel color */ |
1da177e4 | 119 | uint8_t color2; /* 7- 4 Emphasis pixel-2 color */ |
afd1a0c9 | 120 | /* 3- 0 Emphasis pixel-1 color */ |
1da177e4 | 121 | uint32_t ypos; /* 23-22 auto action mode */ |
afd1a0c9 MCC |
122 | /* 21-12 start y */ |
123 | /* 9- 0 end y */ | |
1da177e4 | 124 | uint32_t xpos; /* 23-22 button color number */ |
afd1a0c9 MCC |
125 | /* 21-12 start x */ |
126 | /* 9- 0 end x */ | |
1da177e4 LT |
127 | } video_highlight_t; |
128 | ||
129 | ||
130 | typedef struct video_spu { | |
131 | int active; | |
132 | int stream_id; | |
133 | } video_spu_t; | |
134 | ||
135 | ||
136 | typedef struct video_spu_palette { /* SPU Palette information */ | |
137 | int length; | |
138 | uint8_t *palette; | |
139 | } video_spu_palette_t; | |
140 | ||
141 | ||
142 | typedef struct video_navi_pack { | |
143 | int length; /* 0 ... 1024 */ | |
144 | uint8_t data[1024]; | |
145 | } video_navi_pack_t; | |
146 | ||
147 | ||
148 | typedef 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 | #endif /*_DVBVIDEO_H_*/ |