Commit | Line | Data |
---|---|---|
c57fd021 DH |
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 _UAPI_DVBVIDEO_H_ | |
25 | #define _UAPI_DVBVIDEO_H_ | |
26 | ||
27 | #include <linux/types.h> | |
28 | #ifndef __KERNEL__ | |
c57fd021 DH |
29 | #include <time.h> |
30 | #endif | |
31 | ||
32 | typedef enum { | |
33 | VIDEO_FORMAT_4_3, /* Select 4:3 format */ | |
34 | VIDEO_FORMAT_16_9, /* Select 16:9 format. */ | |
35 | VIDEO_FORMAT_221_1 /* 2.21:1 */ | |
36 | } video_format_t; | |
37 | ||
38 | ||
39 | typedef enum { | |
40 | VIDEO_SYSTEM_PAL, | |
41 | VIDEO_SYSTEM_NTSC, | |
42 | VIDEO_SYSTEM_PALN, | |
43 | VIDEO_SYSTEM_PALNc, | |
44 | VIDEO_SYSTEM_PALM, | |
45 | VIDEO_SYSTEM_NTSC60, | |
46 | VIDEO_SYSTEM_PAL60, | |
47 | VIDEO_SYSTEM_PALM60 | |
48 | } video_system_t; | |
49 | ||
50 | ||
51 | typedef enum { | |
52 | VIDEO_PAN_SCAN, /* use pan and scan format */ | |
53 | VIDEO_LETTER_BOX, /* use letterbox format */ | |
54 | VIDEO_CENTER_CUT_OUT /* use center cut out format */ | |
55 | } video_displayformat_t; | |
56 | ||
57 | typedef struct { | |
58 | int w; | |
59 | int h; | |
60 | video_format_t aspect_ratio; | |
61 | } video_size_t; | |
62 | ||
63 | typedef enum { | |
64 | VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */ | |
65 | VIDEO_SOURCE_MEMORY /* If this source is selected, the stream | |
66 | comes from the user through the write | |
67 | system call */ | |
68 | } video_stream_source_t; | |
69 | ||
70 | ||
71 | typedef enum { | |
72 | VIDEO_STOPPED, /* Video is stopped */ | |
73 | VIDEO_PLAYING, /* Video is currently playing */ | |
74 | VIDEO_FREEZED /* Video is freezed */ | |
75 | } video_play_state_t; | |
76 | ||
77 | ||
78 | /* Decoder commands */ | |
79 | #define VIDEO_CMD_PLAY (0) | |
80 | #define VIDEO_CMD_STOP (1) | |
81 | #define VIDEO_CMD_FREEZE (2) | |
82 | #define VIDEO_CMD_CONTINUE (3) | |
83 | ||
84 | /* Flags for VIDEO_CMD_FREEZE */ | |
85 | #define VIDEO_CMD_FREEZE_TO_BLACK (1 << 0) | |
86 | ||
87 | /* Flags for VIDEO_CMD_STOP */ | |
88 | #define VIDEO_CMD_STOP_TO_BLACK (1 << 0) | |
89 | #define VIDEO_CMD_STOP_IMMEDIATELY (1 << 1) | |
90 | ||
91 | /* Play input formats: */ | |
92 | /* The decoder has no special format requirements */ | |
93 | #define VIDEO_PLAY_FMT_NONE (0) | |
94 | /* The decoder requires full GOPs */ | |
95 | #define VIDEO_PLAY_FMT_GOP (1) | |
96 | ||
97 | /* The structure must be zeroed before use by the application | |
98 | This ensures it can be extended safely in the future. */ | |
99 | struct video_command { | |
100 | __u32 cmd; | |
101 | __u32 flags; | |
102 | union { | |
103 | struct { | |
104 | __u64 pts; | |
105 | } stop; | |
106 | ||
107 | struct { | |
108 | /* 0 or 1000 specifies normal speed, | |
109 | 1 specifies forward single stepping, | |
110 | -1 specifies backward single stepping, | |
111 | >1: playback at speed/1000 of the normal speed, | |
112 | <-1: reverse playback at (-speed/1000) of the normal speed. */ | |
113 | __s32 speed; | |
114 | __u32 format; | |
115 | } play; | |
116 | ||
117 | struct { | |
118 | __u32 data[16]; | |
119 | } raw; | |
120 | }; | |
121 | }; | |
122 | ||
123 | /* FIELD_UNKNOWN can be used if the hardware does not know whether | |
124 | the Vsync is for an odd, even or progressive (i.e. non-interlaced) | |
125 | field. */ | |
126 | #define VIDEO_VSYNC_FIELD_UNKNOWN (0) | |
127 | #define VIDEO_VSYNC_FIELD_ODD (1) | |
128 | #define VIDEO_VSYNC_FIELD_EVEN (2) | |
129 | #define VIDEO_VSYNC_FIELD_PROGRESSIVE (3) | |
130 | ||
131 | struct video_event { | |
132 | __s32 type; | |
133 | #define VIDEO_EVENT_SIZE_CHANGED 1 | |
134 | #define VIDEO_EVENT_FRAME_RATE_CHANGED 2 | |
135 | #define VIDEO_EVENT_DECODER_STOPPED 3 | |
136 | #define VIDEO_EVENT_VSYNC 4 | |
137 | __kernel_time_t timestamp; | |
138 | union { | |
139 | video_size_t size; | |
140 | unsigned int frame_rate; /* in frames per 1000sec */ | |
141 | unsigned char vsync_field; /* unknown/odd/even/progressive */ | |
142 | } u; | |
143 | }; | |
144 | ||
145 | ||
146 | struct video_status { | |
147 | int video_blank; /* blank video on freeze? */ | |
148 | video_play_state_t play_state; /* current state of playback */ | |
149 | video_stream_source_t stream_source; /* current source (demux/memory) */ | |
150 | video_format_t video_format; /* current aspect ratio of stream*/ | |
151 | video_displayformat_t display_format;/* selected cropping mode */ | |
152 | }; | |
153 | ||
154 | ||
155 | struct video_still_picture { | |
156 | char __user *iFrame; /* pointer to a single iframe in memory */ | |
157 | __s32 size; | |
158 | }; | |
159 | ||
160 | ||
161 | typedef | |
162 | struct video_highlight { | |
163 | int active; /* 1=show highlight, 0=hide highlight */ | |
164 | __u8 contrast1; /* 7- 4 Pattern pixel contrast */ | |
165 | /* 3- 0 Background pixel contrast */ | |
166 | __u8 contrast2; /* 7- 4 Emphasis pixel-2 contrast */ | |
167 | /* 3- 0 Emphasis pixel-1 contrast */ | |
168 | __u8 color1; /* 7- 4 Pattern pixel color */ | |
169 | /* 3- 0 Background pixel color */ | |
170 | __u8 color2; /* 7- 4 Emphasis pixel-2 color */ | |
171 | /* 3- 0 Emphasis pixel-1 color */ | |
172 | __u32 ypos; /* 23-22 auto action mode */ | |
173 | /* 21-12 start y */ | |
174 | /* 9- 0 end y */ | |
175 | __u32 xpos; /* 23-22 button color number */ | |
176 | /* 21-12 start x */ | |
177 | /* 9- 0 end x */ | |
178 | } video_highlight_t; | |
179 | ||
180 | ||
181 | typedef struct video_spu { | |
182 | int active; | |
183 | int stream_id; | |
184 | } video_spu_t; | |
185 | ||
186 | ||
187 | typedef struct video_spu_palette { /* SPU Palette information */ | |
188 | int length; | |
189 | __u8 __user *palette; | |
190 | } video_spu_palette_t; | |
191 | ||
192 | ||
193 | typedef struct video_navi_pack { | |
194 | int length; /* 0 ... 1024 */ | |
195 | __u8 data[1024]; | |
196 | } video_navi_pack_t; | |
197 | ||
198 | ||
199 | typedef __u16 video_attributes_t; | |
200 | /* bits: descr. */ | |
201 | /* 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */ | |
202 | /* 13-12 TV system (0=525/60, 1=625/50) */ | |
203 | /* 11-10 Aspect ratio (0=4:3, 3=16:9) */ | |
204 | /* 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */ | |
205 | /* 7 line 21-1 data present in GOP (1=yes, 0=no) */ | |
206 | /* 6 line 21-2 data present in GOP (1=yes, 0=no) */ | |
207 | /* 5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 */ | |
208 | /* 2 source letterboxed (1=yes, 0=no) */ | |
848d1031 MCC |
209 | /* 0 film/camera mode (0= |
210 | *camera, 1=film (625/50 only)) */ | |
c57fd021 DH |
211 | |
212 | ||
213 | /* bit definitions for capabilities: */ | |
214 | /* can the hardware decode MPEG1 and/or MPEG2? */ | |
215 | #define VIDEO_CAP_MPEG1 1 | |
216 | #define VIDEO_CAP_MPEG2 2 | |
217 | /* can you send a system and/or program stream to video device? | |
218 | (you still have to open the video and the audio device but only | |
219 | send the stream to the video device) */ | |
220 | #define VIDEO_CAP_SYS 4 | |
221 | #define VIDEO_CAP_PROG 8 | |
222 | /* can the driver also handle SPU, NAVI and CSS encoded data? | |
223 | (CSS API is not present yet) */ | |
224 | #define VIDEO_CAP_SPU 16 | |
225 | #define VIDEO_CAP_NAVI 32 | |
226 | #define VIDEO_CAP_CSS 64 | |
227 | ||
228 | ||
229 | #define VIDEO_STOP _IO('o', 21) | |
230 | #define VIDEO_PLAY _IO('o', 22) | |
231 | #define VIDEO_FREEZE _IO('o', 23) | |
232 | #define VIDEO_CONTINUE _IO('o', 24) | |
233 | #define VIDEO_SELECT_SOURCE _IO('o', 25) | |
234 | #define VIDEO_SET_BLANK _IO('o', 26) | |
235 | #define VIDEO_GET_STATUS _IOR('o', 27, struct video_status) | |
236 | #define VIDEO_GET_EVENT _IOR('o', 28, struct video_event) | |
237 | #define VIDEO_SET_DISPLAY_FORMAT _IO('o', 29) | |
238 | #define VIDEO_STILLPICTURE _IOW('o', 30, struct video_still_picture) | |
239 | #define VIDEO_FAST_FORWARD _IO('o', 31) | |
240 | #define VIDEO_SLOWMOTION _IO('o', 32) | |
241 | #define VIDEO_GET_CAPABILITIES _IOR('o', 33, unsigned int) | |
242 | #define VIDEO_CLEAR_BUFFER _IO('o', 34) | |
243 | #define VIDEO_SET_ID _IO('o', 35) | |
244 | #define VIDEO_SET_STREAMTYPE _IO('o', 36) | |
245 | #define VIDEO_SET_FORMAT _IO('o', 37) | |
246 | #define VIDEO_SET_SYSTEM _IO('o', 38) | |
247 | #define VIDEO_SET_HIGHLIGHT _IOW('o', 39, video_highlight_t) | |
248 | #define VIDEO_SET_SPU _IOW('o', 50, video_spu_t) | |
249 | #define VIDEO_SET_SPU_PALETTE _IOW('o', 51, video_spu_palette_t) | |
250 | #define VIDEO_GET_NAVI _IOR('o', 52, video_navi_pack_t) | |
251 | #define VIDEO_SET_ATTRIBUTES _IO('o', 53) | |
252 | #define VIDEO_GET_SIZE _IOR('o', 55, video_size_t) | |
253 | #define VIDEO_GET_FRAME_RATE _IOR('o', 56, unsigned int) | |
254 | ||
255 | /** | |
256 | * VIDEO_GET_PTS | |
257 | * | |
258 | * Read the 33 bit presentation time stamp as defined | |
259 | * in ITU T-REC-H.222.0 / ISO/IEC 13818-1. | |
260 | * | |
261 | * The PTS should belong to the currently played | |
262 | * frame if possible, but may also be a value close to it | |
263 | * like the PTS of the last decoded frame or the last PTS | |
264 | * extracted by the PES parser. | |
265 | */ | |
266 | #define VIDEO_GET_PTS _IOR('o', 57, __u64) | |
267 | ||
268 | /* Read the number of displayed frames since the decoder was started */ | |
269 | #define VIDEO_GET_FRAME_COUNT _IOR('o', 58, __u64) | |
270 | ||
271 | #define VIDEO_COMMAND _IOWR('o', 59, struct video_command) | |
272 | #define VIDEO_TRY_COMMAND _IOWR('o', 60, struct video_command) | |
273 | ||
274 | #endif /* _UAPI_DVBVIDEO_H_ */ |