FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
video_out.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) Aaron Holtzman - Aug 1999
3  * Strongly modified, most parts rewritten: A'rpi/ESP-team - 2000-2001
4  * (C) MPlayer developers
5  *
6  * This file is part of MPlayer.
7  *
8  * MPlayer is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * MPlayer 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 General Public License along
19  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
23 #ifndef MPLAYER_VIDEO_OUT_H
24 #define MPLAYER_VIDEO_OUT_H
25 
26 #include <inttypes.h>
27 #include <stdarg.h>
28 
29 //#include "sub/font_load.h"
30 #include "../img_format.h"
31 //#include "vidix/vidix.h"
32 
33 
34 #define ROTATE(t, x, y) do { \
35  t rot_tmp = x; \
36  x = y; \
37  y = -rot_tmp; \
38 } while(0)
39 
40 #define VO_EVENT_EXPOSE 1
41 #define VO_EVENT_RESIZE 2
42 #define VO_EVENT_KEYPRESS 4
43 #define VO_EVENT_REINIT 8
44 #define VO_EVENT_MOVE 16
45 #define VO_EVENT_MOUSE 32
46 
47 /* Obsolete: VOCTRL_QUERY_VAA 1 */
48 /* does the device support the required format */
49 #define VOCTRL_QUERY_FORMAT 2
50 /* signal a device reset seek */
51 #define VOCTRL_RESET 3
52 /* true if vo driver can use GUI created windows */
53 #define VOCTRL_GUISUPPORT 4
54 /* used to switch to fullscreen */
55 #define VOCTRL_FULLSCREEN 5
56 /* signal a device pause */
57 #define VOCTRL_PAUSE 7
58 /* start/resume playback */
59 #define VOCTRL_RESUME 8
60 /* libmpcodecs direct rendering: */
61 #define VOCTRL_GET_IMAGE 9
62 #define VOCTRL_DRAW_IMAGE 13
63 #define VOCTRL_SET_SPU_PALETTE 14
64 /* decoding ahead: */
65 #define VOCTRL_GET_NUM_FRAMES 10
66 #define VOCTRL_GET_FRAME_NUM 11
67 #define VOCTRL_SET_FRAME_NUM 12
68 #define VOCTRL_GET_PANSCAN 15
69 #define VOCTRL_SET_PANSCAN 16
70 /* equalizer controls */
71 #define VOCTRL_SET_EQUALIZER 17
72 #define VOCTRL_GET_EQUALIZER 18
73 /* Frame duplication */
74 #define VOCTRL_DUPLICATE_FRAME 20
75 // ... 21
76 #define VOCTRL_START_SLICE 21
77 
78 #define VOCTRL_ONTOP 25
79 #define VOCTRL_ROOTWIN 26
80 #define VOCTRL_BORDER 27
81 #define VOCTRL_DRAW_EOSD 28
82 #define VOCTRL_GET_EOSD_RES 29
83 
84 #define VOCTRL_SET_DEINTERLACE 30
85 #define VOCTRL_GET_DEINTERLACE 31
86 
87 #define VOCTRL_UPDATE_SCREENINFO 32
88 
89 // Vo can be used by xover
90 #define VOCTRL_XOVERLAY_SUPPORT 22
91 
92 #define VOCTRL_XOVERLAY_SET_COLORKEY 24
93 typedef struct {
94  uint32_t x11; // The raw x11 color
95  uint16_t r,g,b;
97 
98 #define VOCTRL_XOVERLAY_SET_WIN 23
99 typedef struct {
100  int x,y;
101  int w,h;
102 } mp_win_t;
103 
104 #define VO_TRUE 1
105 #define VO_FALSE 0
106 #define VO_ERROR -1
107 #define VO_NOTAVAIL -2
108 #define VO_NOTIMPL -3
109 
110 #define VOFLAG_FULLSCREEN 0x01
111 #define VOFLAG_MODESWITCHING 0x02
112 #define VOFLAG_SWSCALE 0x04
113 #define VOFLAG_FLIPPING 0x08
114 #define VOFLAG_HIDDEN 0x10 //< Use to create a hidden window
115 #define VOFLAG_STEREO 0x20 //< Use to create a stereo-capable window
116 #define VOFLAG_DEPTH 0x40 //< Request a depth buffer
117 #define VOFLAG_XOVERLAY_SUB_VO 0x10000
118 
119 typedef struct vo_info_s
120 {
121  /* driver name ("Matrox Millennium G200/G400" */
122  const char *name;
123  /* short name (for config strings) ("mga") */
124  const char *short_name;
125  /* author ("Aaron Holtzman <aholtzma@ess.engr.uvic.ca>") */
126  const char *author;
127  /* any additional comments */
128  const char *comment;
129 } vo_info_t;
130 
131 typedef struct vo_functions_s
132 {
133  const vo_info_t *info;
134  /*
135  * Preinitializes driver (real INITIALIZATION)
136  * arg - currently it's vo_subdevice
137  * returns: zero on successful initialization, non-zero on error.
138  */
139  int (*preinit)(const char *arg);
140  /*
141  * Initialize (means CONFIGURE) the display driver.
142  * params:
143  * width,height: image source size
144  * d_width,d_height: size of the requested window size, just a hint
145  * fullscreen: flag, 0=windowd 1=fullscreen, just a hint
146  * title: window title, if available
147  * format: fourcc of pixel format
148  * returns : zero on successful initialization, non-zero on error.
149  */
150  int (*config)(uint32_t width, uint32_t height, uint32_t d_width,
151  uint32_t d_height, uint32_t fullscreen, char *title,
152  uint32_t format);
153 
154  /*
155  * Control interface
156  */
157  int (*control)(uint32_t request, void *data, ...);
158 
159  /*
160  * Display a new RGB/BGR frame of the video to the screen.
161  * params:
162  * src[0] - pointer to the image
163  */
164  int (*draw_frame)(uint8_t *src[]);
165 
166  /*
167  * Draw a planar YUV slice to the buffer:
168  * params:
169  * src[3] = source image planes (Y,U,V)
170  * stride[3] = source image planes line widths (in bytes)
171  * w,h = width*height of area to be copied (in Y pixels)
172  * x,y = position at the destination image (in Y pixels)
173  */
174  int (*draw_slice)(uint8_t *src[], int stride[], int w,int h, int x,int y);
175 
176  /*
177  * Draws OSD to the screen buffer
178  */
179  void (*draw_osd)(void);
180 
181  /*
182  * Blit/Flip buffer to the screen. Must be called after each frame!
183  */
184  void (*flip_page)(void);
185 
186  /*
187  * This func is called after every frames to handle keyboard and
188  * other events. It's called in PAUSE mode too!
189  */
190  void (*check_events)(void);
191 
192  /*
193  * Closes driver. Should restore the original state of the system.
194  */
197 
198 const vo_functions_t* init_best_video_out(char** vo_list);
199 int config_video_out(const vo_functions_t *vo, uint32_t width, uint32_t height,
200  uint32_t d_width, uint32_t d_height, uint32_t flags,
201  char *title, uint32_t format);
202 void list_video_out(void);
203 
204 // NULL terminated array of all drivers
205 extern const vo_functions_t* const video_out_drivers[];
206 
207 extern int vo_flags;
208 
209 extern int vo_config_count;
210 
211 extern int xinerama_screen;
212 extern int xinerama_x;
213 extern int xinerama_y;
214 
215 // correct resolution/bpp on screen: (should be autodetected by vo_init())
216 extern int vo_depthonscreen;
217 extern int vo_screenwidth;
218 extern int vo_screenheight;
219 
220 // requested resolution/bpp: (-x -y -bpp options)
221 extern int vo_dx;
222 extern int vo_dy;
223 extern int vo_dwidth;
224 extern int vo_dheight;
225 extern int vo_dbpp;
226 
227 extern int vo_grabpointer;
228 extern int vo_doublebuffering;
229 extern int vo_directrendering;
230 extern int vo_vsync;
231 extern int vo_fsmode;
232 extern float vo_panscan;
233 extern float vo_border_pos_x;
234 extern float vo_border_pos_y;
235 extern int vo_rotate;
236 extern int vo_adapter_num;
237 extern int vo_refresh_rate;
238 extern int vo_keepaspect;
239 extern int vo_rootwin;
240 extern int vo_ontop;
241 extern int vo_border;
242 
243 extern int vo_gamma_gamma;
244 extern int vo_gamma_brightness;
245 extern int vo_gamma_saturation;
246 extern int vo_gamma_contrast;
247 extern int vo_gamma_hue;
248 extern int vo_gamma_red_intensity;
249 extern int vo_gamma_green_intensity;
250 extern int vo_gamma_blue_intensity;
251 
252 extern int vo_nomouse_input;
253 extern int enable_mouse_movements;
254 
255 extern int vo_pts;
256 extern float vo_fps;
257 
258 extern char *vo_subdevice;
259 
260 extern int vo_colorkey;
261 
262 extern char *vo_winname;
263 extern char *vo_wintitle;
264 
265 extern int64_t WinID;
266 
267 typedef struct {
268  float min;
269  float max;
270  } range_t;
271 
272 float range_max(range_t *r);
273 int in_range(range_t *r, float f);
274 range_t *str2range(char *s);
275 extern char *monitor_hfreq_str;
276 extern char *monitor_vfreq_str;
277 extern char *monitor_dotclock_str;
278 
279 struct mp_keymap {
280  int from;
281  int to;
282 };
283 int lookup_keymap_table(const struct mp_keymap *map, int key);
284 struct vo_rect {
286 };
287 void calc_src_dst_rects(int src_width, int src_height, struct vo_rect *src, struct vo_rect *dst,
288  struct vo_rect *borders, const struct vo_rect *crop);
289 void vo_mouse_movement(int posx, int posy);
290 
291 static inline int apply_border_pos(int full, int part, float pos) {
292  if (pos >= 0.0 && pos <= 1.0) {
293  return pos*(full - part);
294  }
295  if (pos < 0)
296  return pos * part;
297  return full - part + (pos - 1) * part;
298 }
299 
300 #endif /* MPLAYER_VIDEO_OUT_H */