2 * libvo common functions, variables used by many/all drivers.
4 * This file is part of MPlayer.
6 * MPlayer is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * MPlayer is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 //#include <sys/mman.h>
33 #include "video_out.h"
36 #include "old_vo_wrapper.h"
37 #include "input/input.h"
42 #include "osdep/shmem.h"
44 #include "x11_common.h"
47 int xinerama_screen
= -1;
51 int vo_nomouse_input
= 0;
52 int vo_grabpointer
= 1;
53 int vo_doublebuffering
= 1;
57 float vo_panscan
= 0.0f
;
59 int vo_refresh_rate
=0;
65 int vo_pts
=0; // for hw decoding
68 int vo_directrendering
=0;
70 int vo_colorkey
= 0x0000ff00; // default colorkey is green
71 // (0xff000000 means that colorkey has been disabled)
75 // Externally visible list of all vo drivers
77 extern struct vo_driver video_out_x11
;
78 extern struct vo_driver video_out_vdpau
;
79 extern struct vo_driver video_out_xv
;
80 extern struct vo_driver video_out_gl_nosw
;
81 extern struct vo_driver video_out_gl
;
82 extern struct vo_driver video_out_gl_sdl
;
83 extern struct vo_driver video_out_sdl
;
84 extern struct vo_driver video_out_null
;
85 extern struct vo_driver video_out_png
;
86 extern struct vo_driver video_out_caca
;
87 extern struct vo_driver video_out_yuv4mpeg
;
88 extern struct vo_driver video_out_direct3d
;
89 extern struct vo_driver video_out_directx
;
90 extern struct vo_driver video_out_v4l2
;
91 extern struct vo_driver video_out_jpeg
;
92 extern struct vo_driver video_out_gif89a
;
93 extern struct vo_driver video_out_directfb
;
94 extern struct vo_driver video_out_tga
;
95 extern struct vo_driver video_out_corevideo
;
96 extern struct vo_driver video_out_sharedbuffer
;
97 extern struct vo_driver video_out_pnm
;
98 extern struct vo_driver video_out_md5sum
;
100 const struct vo_driver
*video_out_drivers
[] =
102 #ifdef CONFIG_DIRECTX
105 #ifdef CONFIG_DIRECT3D
108 #ifdef CONFIG_GL_COCOA
111 #ifdef CONFIG_COREVIDEO
112 &video_out_corevideo
,
129 #if (defined CONFIG_GL && !defined CONFIG_GL_COCOA)
138 #ifdef CONFIG_V4L2_DECODER
142 // should not be auto-selected
143 #ifdef CONFIG_DIRECTFB
144 // vo directfb can call exit() if initialization fails
147 #ifdef CONFIG_YUV4MPEG
166 #ifdef CONFIG_SHAREDBUFFER
167 &video_out_sharedbuffer
,
173 static int vo_preinit(struct vo
*vo
, char *arg
)
175 if (vo
->driver
->privsize
)
176 vo
->priv
= talloc_zero_size(vo
, vo
->driver
->privsize
);
177 if (vo
->driver
->options
) {
178 struct m_config
*cfg
= m_config_simple(vo
->driver
->options
);
179 m_config_initialize(cfg
, vo
->priv
);
181 int l
= snprintf(n
, sizeof(n
), "vo/%s", vo
->driver
->info
->short_name
);
182 assert(l
< sizeof(n
));
183 int r
= m_config_parse_suboptions(cfg
, vo
->priv
, n
, arg
);
188 return vo
->driver
->preinit(vo
, arg
);
191 int vo_control(struct vo
*vo
, uint32_t request
, void *data
)
193 return vo
->driver
->control(vo
, request
, data
);
196 // Return -1 if driver appears not to support a draw_image interface,
197 // 0 otherwise (whether the driver actually drew something or not).
198 int vo_draw_image(struct vo
*vo
, struct mp_image
*mpi
, double pts
)
202 if (vo
->driver
->buffer_frames
) {
203 vo
->driver
->draw_image(vo
, mpi
, pts
);
206 vo
->frame_loaded
= true;
208 // Guaranteed to support at least DRAW_IMAGE later
209 if (vo
->driver
->is_new
) {
210 vo
->waiting_mpi
= mpi
;
213 if (vo_control(vo
, VOCTRL_DRAW_IMAGE
, mpi
) == VO_NOTIMPL
)
218 int vo_redraw_frame(struct vo
*vo
)
220 if (!vo
->config_ok
|| !vo
->hasframe
)
222 if (vo_control(vo
, VOCTRL_REDRAW_FRAME
, NULL
) == true) {
223 vo
->redrawing
= true;
229 int vo_get_buffered_frame(struct vo
*vo
, bool eof
)
233 if (vo
->frame_loaded
)
235 if (!vo
->driver
->buffer_frames
)
237 vo
->driver
->get_buffered_frame(vo
, eof
);
238 return vo
->frame_loaded
? 0 : -1;
241 void vo_skip_frame(struct vo
*vo
)
243 vo_control(vo
, VOCTRL_SKIPFRAME
, NULL
);
244 vo
->frame_loaded
= false;
247 int vo_draw_frame(struct vo
*vo
, uint8_t *src
[])
249 assert(!vo
->driver
->is_new
);
252 return old_vo_draw_frame(vo
, src
);
255 int vo_draw_slice(struct vo
*vo
, uint8_t *src
[], int stride
[], int w
, int h
, int x
, int y
)
257 return vo
->driver
->draw_slice(vo
, src
, stride
, w
, h
, x
, y
);
260 void vo_new_frame_imminent(struct vo
*vo
)
262 if (!vo
->driver
->is_new
)
264 if (vo
->driver
->buffer_frames
)
265 vo_control(vo
, VOCTRL_NEWFRAME
, NULL
);
267 vo_control(vo
, VOCTRL_DRAW_IMAGE
, vo
->waiting_mpi
);
268 vo
->waiting_mpi
= NULL
;
272 void vo_draw_osd(struct vo
*vo
, struct osd_state
*osd
)
276 vo
->driver
->draw_osd(vo
, osd
);
279 void vo_flip_page(struct vo
*vo
, unsigned int pts_us
, int duration
)
283 if (!vo
->redrawing
) {
284 vo
->frame_loaded
= false;
285 vo
->next_pts
= MP_NOPTS_VALUE
;
287 vo
->want_redraw
= false;
288 vo
->redrawing
= false;
289 if (vo
->driver
->flip_page_timed
)
290 vo
->driver
->flip_page_timed(vo
, pts_us
, duration
);
292 vo
->driver
->flip_page(vo
);
296 void vo_check_events(struct vo
*vo
)
298 if (!vo
->config_ok
) {
299 if (vo
->registered_fd
!= -1)
300 mp_input_rm_key_fd(vo
->input_ctx
, vo
->registered_fd
);
301 vo
->registered_fd
= -1;
304 vo
->driver
->check_events(vo
);
307 void vo_seek_reset(struct vo
*vo
)
309 vo_control(vo
, VOCTRL_RESET
, NULL
);
310 vo
->frame_loaded
= false;
311 vo
->hasframe
= false;
314 void vo_destroy(struct vo
*vo
)
316 if (vo
->registered_fd
!= -1)
317 mp_input_rm_key_fd(vo
->input_ctx
, vo
->registered_fd
);
318 vo
->driver
->uninit(vo
);
322 void list_video_out(void)
325 mp_tmsg(MSGT_CPLAYER
, MSGL_INFO
, "Available video output drivers:\n");
326 mp_msg(MSGT_IDENTIFY
, MSGL_INFO
, "ID_VIDEO_OUTPUTS\n");
327 while (video_out_drivers
[i
]) {
328 const vo_info_t
*info
= video_out_drivers
[i
++]->info
;
329 mp_msg(MSGT_GLOBAL
, MSGL_INFO
,"\t%s\t%s\n", info
->short_name
, info
->name
);
331 mp_msg(MSGT_GLOBAL
, MSGL_INFO
,"\n");
334 struct vo
*init_best_video_out(struct MPOpts
*opts
, struct mp_fifo
*key_fifo
,
335 struct input_ctx
*input_ctx
)
337 char **vo_list
= opts
->video_driver_list
;
339 struct vo
*vo
= talloc_ptrtype(NULL
, vo
);
340 struct vo initial_values
= {
342 .key_fifo
= key_fifo
,
343 .input_ctx
= input_ctx
,
347 // first try the preferred drivers, with their optional subdevice param:
348 if (vo_list
&& vo_list
[0])
349 while (vo_list
[0][0]) {
350 char *name
= strdup(vo_list
[0]);
351 char *vo_subdevice
= strchr(name
,':');
352 if (!strcmp(name
, "pgm"))
353 mp_tmsg(MSGT_CPLAYER
, MSGL_ERR
, "The pgm video output driver has been replaced by -vo pnm:pgmyuv.\n");
354 if (!strcmp(name
, "md5"))
355 mp_tmsg(MSGT_CPLAYER
, MSGL_ERR
, "The md5 video output driver has been replaced by -vo md5sum.\n");
360 for (i
= 0; video_out_drivers
[i
]; i
++) {
361 const struct vo_driver
*video_driver
= video_out_drivers
[i
];
362 const vo_info_t
*info
= video_driver
->info
;
363 if (!strcmp(info
->short_name
, name
)) {
364 // name matches, try it
365 *vo
= initial_values
;
366 vo
->driver
= video_driver
;
367 if (!vo_preinit(vo
, vo_subdevice
)) {
369 return vo
; // success!
371 talloc_free_children(vo
);
379 return NULL
; // do NOT fallback to others
382 // now try the rest...
383 for (i
= 0; video_out_drivers
[i
]; i
++) {
384 const struct vo_driver
*video_driver
= video_out_drivers
[i
];
385 *vo
= initial_values
;
386 vo
->driver
= video_driver
;
387 if (!vo_preinit(vo
, NULL
))
388 return vo
; // success!
389 talloc_free_children(vo
);
395 static int event_fd_callback(void *ctx
, int fd
)
399 return MP_INPUT_NOTHING
;
402 int vo_config(struct vo
*vo
, uint32_t width
, uint32_t height
,
403 uint32_t d_width
, uint32_t d_height
, uint32_t flags
,
406 struct MPOpts
*opts
= vo
->opts
;
408 aspect_save_orig(vo
, width
, height
);
409 aspect_save_prescale(vo
, d_width
, d_height
);
411 if (vo_control(vo
, VOCTRL_UPDATE_SCREENINFO
, NULL
) == VO_TRUE
) {
412 aspect(vo
, &d_width
, &d_height
, A_NOZOOM
);
413 vo
->dx
= (int)(opts
->vo_screenwidth
- d_width
) / 2;
414 vo
->dy
= (int)(opts
->vo_screenheight
- d_height
) / 2;
415 geometry(&vo
->dx
, &vo
->dy
, &d_width
, &d_height
,
416 opts
->vo_screenwidth
, opts
->vo_screenheight
);
417 geometry_xy_changed
|= xinerama_screen
>= 0;
418 vo
->dx
+= xinerama_x
;
419 vo
->dy
+= xinerama_y
;
420 vo
->dwidth
= d_width
;
421 vo
->dheight
= d_height
;
424 int ret
= vo
->driver
->config(vo
, width
, height
, d_width
, d_height
, flags
,
426 vo
->config_ok
= (ret
== 0);
427 vo
->config_count
+= vo
->config_ok
;
428 if (vo
->registered_fd
== -1 && vo
->event_fd
!= -1 && vo
->config_ok
) {
429 mp_input_add_key_fd(vo
->input_ctx
, vo
->event_fd
, 1, event_fd_callback
,
431 vo
->registered_fd
= vo
->event_fd
;
433 vo
->frame_loaded
= false;
434 vo
->waiting_mpi
= NULL
;
435 vo
->redrawing
= false;
436 vo
->hasframe
= false;
441 * \brief lookup an integer in a table, table must have 0 as the last key
442 * \param key key to search for
443 * \result translation corresponding to key or "to" value of last mapping
446 int lookup_keymap_table(const struct mp_keymap
*map
, int key
) {
447 while (map
->from
&& map
->from
!= key
) map
++;
452 * \brief helper function for the kind of panscan-scaling that needs a source
453 * and destination rectangle like Direct3D and VDPAU
455 static void src_dst_split_scaling(int src_size
, int dst_size
, int scaled_src_size
,
456 int *src_start
, int *src_end
, int *dst_start
, int *dst_end
) {
457 if (scaled_src_size
> dst_size
) {
458 int border
= src_size
* (scaled_src_size
- dst_size
) / scaled_src_size
;
459 // round to a multiple of 2, this is at least needed for vo_direct3d and ATI cards
460 border
= (border
/ 2 + 1) & ~1;
462 *src_end
= src_size
- border
;
468 *dst_start
= (dst_size
- scaled_src_size
) / 2;
469 *dst_end
= *dst_start
+ scaled_src_size
;
474 * Calculate the appropriate source and destination rectangle to
475 * get a correctly scaled picture, including pan-scan.
476 * Can be extended to take future cropping support into account.
478 * \param crop specifies the cropping border size in the left, right, top and bottom members, may be NULL
479 * \param borders the border values as e.g. EOSD (ASS) and properly placed DVD highlight support requires,
480 * may be NULL and only left and top are currently valid.
482 void calc_src_dst_rects(struct vo
*vo
, int src_width
, int src_height
,
483 struct vo_rect
*src
, struct vo_rect
*dst
,
484 struct vo_rect
*borders
, const struct vo_rect
*crop
)
486 static const struct vo_rect no_crop
= {0, 0, 0, 0, 0, 0};
487 int scaled_width
= 0;
488 int scaled_height
= 0;
489 if (!crop
) crop
= &no_crop
;
490 src_width
-= crop
->left
+ crop
->right
;
491 src_height
-= crop
->top
+ crop
->bottom
;
492 if (src_width
< 2) src_width
= 2;
493 if (src_height
< 2) src_height
= 2;
494 dst
->left
= 0; dst
->right
= vo
->dwidth
;
495 dst
->top
= 0; dst
->bottom
= vo
->dheight
;
496 src
->left
= 0; src
->right
= src_width
;
497 src
->top
= 0; src
->bottom
= src_height
;
499 borders
->left
= 0; borders
->top
= 0;
501 if (aspect_scaling()) {
502 aspect(vo
, &scaled_width
, &scaled_height
, A_WINZOOM
);
503 panscan_calc_windowed(vo
);
504 scaled_width
+= vo
->panscan_x
;
505 scaled_height
+= vo
->panscan_y
;
507 borders
->left
= (vo
->dwidth
- scaled_width
) / 2;
508 borders
->top
= (vo
->dheight
- scaled_height
) / 2;
510 src_dst_split_scaling(src_width
, vo
->dwidth
, scaled_width
,
511 &src
->left
, &src
->right
, &dst
->left
, &dst
->right
);
512 src_dst_split_scaling(src_height
, vo
->dheight
, scaled_height
,
513 &src
->top
, &src
->bottom
, &dst
->top
, &dst
->bottom
);
515 src
->left
+= crop
->left
; src
->right
+= crop
->left
;
516 src
->top
+= crop
->top
; src
->bottom
+= crop
->top
;
517 src
->width
= src
->right
- src
->left
;
518 src
->height
= src
->bottom
- src
->top
;
519 dst
->width
= dst
->right
- dst
->left
;
520 dst
->height
= dst
->bottom
- dst
->top
;
523 // Return the window title the VO should set. Always returns a null terminated
524 // string. The string is valid until frontend code is invoked again. Copy it if
525 // you need to keep the string for an extended period of time.
526 const char *vo_get_window_title(struct vo
*vo
)
528 if (vo
->opts
->vo_wintitle
) {
529 return vo
->opts
->vo_wintitle
;
536 * Generates a mouse movement message if those are enable and sends it
537 * to the "main" MPlayer.
539 * \param posx new x position of mouse
540 * \param posy new y position of mouse
542 void vo_mouse_movement(struct vo
*vo
, int posx
, int posy
)
545 if (!enable_mouse_movements
)
547 snprintf(cmd_str
, sizeof(cmd_str
), "set_mouse_pos %i %i", posx
, posy
);
548 mp_input_queue_cmd(vo
->input_ctx
, mp_input_parse_cmd(cmd_str
));