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Fix non-ASCII comment
[vlc/asuraparaju-public.git] / src / video_output / video_output.c
blob915363c5fac5fdf1df5f78b33401e73a94332319
1 /*****************************************************************************
2 * video_output.c : video output thread
3 *
4 * This module describes the programming interface for video output threads.
5 * It includes functions allowing to open a new thread, send pictures to a
6 * thread, and destroy a previously oppened video output thread.
7 *****************************************************************************
8 * Copyright (C) 2000-2007 the VideoLAN team
9 * $Id$
10 *
11 * Authors: Vincent Seguin <seguin@via.ecp.fr>
12 * Gildas Bazin <gbazin@videolan.org>
13 * Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
28 *****************************************************************************/
29
30 /*****************************************************************************
31 * Preamble
32 *****************************************************************************/
33 #ifdef HAVE_CONFIG_H
34 # include "config.h"
35 #endif
36
37 #include <vlc_common.h>
38
39 #include <stdlib.h> /* free() */
40 #include <string.h>
41 #include <assert.h>
42
43 #include <vlc_vout.h>
44
45 #include <vlc_filter.h>
46 #include <vlc_vout_osd.h>
47
48 #include <libvlc.h>
49 #include "vout_internal.h"
50 #include "interlacing.h"
51 #include "postprocessing.h"
52 #include "display.h"
53
54 /*****************************************************************************
55 * Local prototypes
56 *****************************************************************************/
57 static void *Thread(void *);
58 static void VoutDestructor(vlc_object_t *);
59
60 /* Maximum delay between 2 displayed pictures.
61 * XXX it is needed for now but should be removed in the long term.
62 */
63 #define VOUT_REDISPLAY_DELAY (INT64_C(80000))
64
65 /**
66 * Late pictures having a delay higher than this value are thrashed.
67 */
68 #define VOUT_DISPLAY_LATE_THRESHOLD (INT64_C(20000))
69
70 /* Better be in advance when awakening than late... */
71 #define VOUT_MWAIT_TOLERANCE (INT64_C(4000))
72
73 /* */
74 static int VoutValidateFormat(video_format_t *dst,
75 const video_format_t *src)
76 {
77 if (src->i_width <= 0 || src->i_height <= 0)
78 return VLC_EGENERIC;
79 if (src->i_sar_num <= 0 || src->i_sar_den <= 0)
80 return VLC_EGENERIC;
81
82 /* */
83 video_format_Copy(dst, src);
84 dst->i_chroma = vlc_fourcc_GetCodec(VIDEO_ES, src->i_chroma);
85 vlc_ureduce( &dst->i_sar_num, &dst->i_sar_den,
86 src->i_sar_num, src->i_sar_den, 50000 );
87 if (dst->i_sar_num <= 0 || dst->i_sar_den <= 0) {
88 dst->i_sar_num = 1;
89 dst->i_sar_den = 1;
90 }
91 video_format_FixRgb(dst);
92 return VLC_SUCCESS;
93 }
94
95 static vout_thread_t *VoutCreate(vlc_object_t *object,
96 const vout_configuration_t *cfg)
97 {
98 video_format_t original;
99 if (VoutValidateFormat(&original, cfg->fmt))
100 return NULL;
101
102 /* Allocate descriptor */
103 vout_thread_t *vout = vlc_custom_create(object,
104 sizeof(*vout) + sizeof(*vout->p),
105 VLC_OBJECT_VOUT, "video output");
106 if (!vout) {
107 video_format_Clean(&original);
108 return NULL;
109 }
110
111 /* */
112 vout->p = (vout_thread_sys_t*)&vout[1];
113
114 vout->p->original = original;
115 vout->p->dpb_size = cfg->dpb_size;
116
117 vout_control_Init(&vout->p->control);
118 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_INIT);
119
120 vout_statistic_Init(&vout->p->statistic);
121 vout->p->i_par_num =
122 vout->p->i_par_den = 1;
123
124 vout_snapshot_Init(&vout->p->snapshot);
125
126 /* Initialize locks */
127 vlc_mutex_init(&vout->p->picture_lock);
128 vlc_mutex_init(&vout->p->filter.lock);
129 vlc_mutex_init(&vout->p->spu_lock);
130
131 /* Attach the new object now so we can use var inheritance below */
132 vlc_object_attach(vout, object);
133
134 /* Initialize subpicture unit */
135 vout->p->p_spu = spu_Create(vout);
136
137 /* Take care of some "interface/control" related initialisations */
138 vout_IntfInit(vout);
139
140 /* Get splitter name if present */
141 char *splitter_name = var_GetNonEmptyString(vout, "vout-filter");
142 if (splitter_name) {
143 if (asprintf(&vout->p->splitter_name, "%s,none", splitter_name) < 0)
144 vout->p->splitter_name = NULL;
145 free(splitter_name);
146 } else {
147 vout->p->splitter_name = NULL;
148 }
149
150 /* */
151 vout_InitInterlacingSupport(vout, vout->p->displayed.is_interlaced);
152
153 /* */
154 vlc_object_set_destructor(vout, VoutDestructor);
155
156 /* */
157 if (vlc_clone(&vout->p->thread, Thread, vout,
158 VLC_THREAD_PRIORITY_OUTPUT)) {
159 spu_Destroy(vout->p->p_spu);
160 vlc_object_release(vout);
161 return NULL;
162 }
163
164 vout_control_WaitEmpty(&vout->p->control);
165
166 if (vout->p->dead) {
167 msg_Err(vout, "video output creation failed");
168 vout_CloseAndRelease(vout);
169 return NULL;
170 }
171
172 vout->p->input = cfg->input;
173 if (vout->p->input)
174 spu_Attach(vout->p->p_spu, vout->p->input, true);
175
176 return vout;
177 }
178
179 vout_thread_t *(vout_Request)(vlc_object_t *object,
180 const vout_configuration_t *cfg)
181 {
182 vout_thread_t *vout = cfg->vout;
183 if (cfg->change_fmt && !cfg->fmt) {
184 if (vout)
185 vout_CloseAndRelease(vout);
186 return NULL;
187 }
188
189 /* If a vout is provided, try reusing it */
190 if (vout) {
191 if (vout->p->input != cfg->input) {
192 if (vout->p->input)
193 spu_Attach(vout->p->p_spu, vout->p->input, false);
194 vout->p->input = cfg->input;
195 if (vout->p->input)
196 spu_Attach(vout->p->p_spu, vout->p->input, true);
197 }
198
199 if (cfg->change_fmt) {
200 vout_control_cmd_t cmd;
201 vout_control_cmd_Init(&cmd, VOUT_CONTROL_REINIT);
202 cmd.u.cfg = cfg;
203
204 vout_control_Push(&vout->p->control, &cmd);
205 vout_control_WaitEmpty(&vout->p->control);
206 }
207
208 if (!vout->p->dead) {
209 msg_Dbg(object, "reusing provided vout");
210 return vout;
211 }
212 vout_CloseAndRelease(vout);
213
214 msg_Warn(object, "cannot reuse provided vout");
215 }
216 return VoutCreate(object, cfg);
217 }
218
219 void vout_Close(vout_thread_t *vout)
220 {
221 assert(vout);
222
223 if (vout->p->input)
224 spu_Attach(vout->p->p_spu, vout->p->input, false);
225
226 vout_snapshot_End(&vout->p->snapshot);
227
228 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_CLEAN);
229 vlc_join(vout->p->thread, NULL);
230
231 vlc_mutex_lock(&vout->p->spu_lock);
232 spu_Destroy(vout->p->p_spu);
233 vout->p->p_spu = NULL;
234 vlc_mutex_unlock(&vout->p->spu_lock);
235 }
236
237 /* */
238 static void VoutDestructor(vlc_object_t *object)
239 {
240 vout_thread_t *vout = (vout_thread_t *)object;
241
242 /* Make sure the vout was stopped first */
243 //assert(!vout->p_module);
244
245 free(vout->p->splitter_name);
246
247 /* Destroy the locks */
248 vlc_mutex_destroy(&vout->p->spu_lock);
249 vlc_mutex_destroy(&vout->p->picture_lock);
250 vlc_mutex_destroy(&vout->p->filter.lock);
251 vout_control_Clean(&vout->p->control);
252
253 /* */
254 vout_statistic_Clean(&vout->p->statistic);
255
256 /* */
257 vout_snapshot_Clean(&vout->p->snapshot);
258
259 video_format_Clean(&vout->p->original);
260 }
261
262 /* */
263 void vout_ChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
264 {
265 vout_control_cmd_t cmd;
266 vout_control_cmd_Init(&cmd, VOUT_CONTROL_PAUSE);
267 cmd.u.pause.is_on = is_paused;
268 cmd.u.pause.date = date;
269 vout_control_Push(&vout->p->control, &cmd);
270
271 vout_control_WaitEmpty(&vout->p->control);
272 }
273
274 void vout_GetResetStatistic(vout_thread_t *vout, int *displayed, int *lost)
275 {
276 vout_statistic_GetReset( &vout->p->statistic, displayed, lost );
277 }
278
279 void vout_Flush(vout_thread_t *vout, mtime_t date)
280 {
281 vout_control_PushTime(&vout->p->control, VOUT_CONTROL_FLUSH, date);
282 vout_control_WaitEmpty(&vout->p->control);
283 }
284
285 void vout_Reset(vout_thread_t *vout)
286 {
287 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_RESET);
288 vout_control_WaitEmpty(&vout->p->control);
289 }
290
291 bool vout_IsEmpty(vout_thread_t *vout)
292 {
293 vlc_mutex_lock(&vout->p->picture_lock);
294
295 picture_t *picture = picture_fifo_Peek(vout->p->decoder_fifo);
296 if (picture)
297 picture_Release(picture);
298
299 vlc_mutex_unlock(&vout->p->picture_lock);
300
301 return !picture;
302 }
303
304 void vout_FixLeaks( vout_thread_t *vout )
305 {
306 vlc_mutex_lock(&vout->p->picture_lock);
307
308 picture_t *picture = picture_fifo_Peek(vout->p->decoder_fifo);
309 if (!picture) {
310 picture = picture_pool_Get(vout->p->decoder_pool);
311 }
312
313 if (picture) {
314 picture_Release(picture);
315 /* Not all pictures has been displayed yet or some are
316 * free */
317 vlc_mutex_unlock(&vout->p->picture_lock);
318 return;
319 }
320
321 /* There is no reason that no pictures are available, force one
322 * from the pool, becarefull with it though */
323 msg_Err(vout, "pictures leaked, trying to workaround");
324
325 /* */
326 picture_pool_NonEmpty(vout->p->decoder_pool, false);
327
328 vlc_mutex_unlock(&vout->p->picture_lock);
329 }
330 void vout_NextPicture(vout_thread_t *vout, mtime_t *duration)
331 {
332 vout_control_cmd_t cmd;
333 vout_control_cmd_Init(&cmd, VOUT_CONTROL_STEP);
334 cmd.u.time_ptr = duration;
335
336 vout_control_Push(&vout->p->control, &cmd);
337 vout_control_WaitEmpty(&vout->p->control);
338 }
339
340 void vout_DisplayTitle(vout_thread_t *vout, const char *title)
341 {
342 assert(title);
343 vout_control_PushString(&vout->p->control, VOUT_CONTROL_OSD_TITLE, title);
344 }
345
346 void vout_PutSubpicture( vout_thread_t *vout, subpicture_t *subpic )
347 {
348 vout_control_cmd_t cmd;
349 vout_control_cmd_Init(&cmd, VOUT_CONTROL_SUBPICTURE);
350 cmd.u.subpicture = subpic;
351
352 vout_control_Push(&vout->p->control, &cmd);
353 }
354 int vout_RegisterSubpictureChannel( vout_thread_t *vout )
355 {
356 int channel = SPU_DEFAULT_CHANNEL;
357
358 vlc_mutex_lock(&vout->p->spu_lock);
359 if (vout->p->p_spu)
360 channel = spu_RegisterChannel(vout->p->p_spu);
361 vlc_mutex_unlock(&vout->p->spu_lock);
362
363 return channel;
364 }
365 void vout_FlushSubpictureChannel( vout_thread_t *vout, int channel )
366 {
367 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_FLUSH_SUBPICTURE,
368 channel);
369 }
370
371 /* vout_Control* are usable by anyone at anytime */
372 void vout_ControlChangeFullscreen(vout_thread_t *vout, bool fullscreen)
373 {
374 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_FULLSCREEN,
375 fullscreen);
376 }
377 void vout_ControlChangeOnTop(vout_thread_t *vout, bool is_on_top)
378 {
379 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_ON_TOP,
380 is_on_top);
381 }
382 void vout_ControlChangeDisplayFilled(vout_thread_t *vout, bool is_filled)
383 {
384 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_DISPLAY_FILLED,
385 is_filled);
386 }
387 void vout_ControlChangeZoom(vout_thread_t *vout, int num, int den)
388 {
389 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_ZOOM,
390 num, den);
391 }
392 void vout_ControlChangeSampleAspectRatio(vout_thread_t *vout,
393 unsigned num, unsigned den)
394 {
395 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_ASPECT_RATIO,
396 num, den);
397 }
398 void vout_ControlChangeCropRatio(vout_thread_t *vout,
399 unsigned num, unsigned den)
400 {
401 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_CROP_RATIO,
402 num, den);
403 }
404 void vout_ControlChangeCropWindow(vout_thread_t *vout,
405 int x, int y, int width, int height)
406 {
407 vout_control_cmd_t cmd;
408 vout_control_cmd_Init(&cmd, VOUT_CONTROL_CROP_WINDOW);
409 cmd.u.window.x = x;
410 cmd.u.window.y = y;
411 cmd.u.window.width = width;
412 cmd.u.window.height = height;
413
414 vout_control_Push(&vout->p->control, &cmd);
415 }
416 void vout_ControlChangeCropBorder(vout_thread_t *vout,
417 int left, int top, int right, int bottom)
418 {
419 vout_control_cmd_t cmd;
420 vout_control_cmd_Init(&cmd, VOUT_CONTROL_CROP_BORDER);
421 cmd.u.border.left = left;
422 cmd.u.border.top = top;
423 cmd.u.border.right = right;
424 cmd.u.border.bottom = bottom;
425
426 vout_control_Push(&vout->p->control, &cmd);
427 }
428 void vout_ControlChangeFilters(vout_thread_t *vout, const char *filters)
429 {
430 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_FILTERS,
431 filters);
432 }
433 void vout_ControlChangeSubFilters(vout_thread_t *vout, const char *filters)
434 {
435 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_FILTERS,
436 filters);
437 }
438 void vout_ControlChangeSubMargin(vout_thread_t *vout, int margin)
439 {
440 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_MARGIN,
441 margin);
442 }
443
444 /* */
445 static void VoutGetDisplayCfg(vout_thread_t *vout, vout_display_cfg_t *cfg, const char *title)
446 {
447 /* Load configuration */
448 cfg->is_fullscreen = var_CreateGetBool(vout, "fullscreen");
449 cfg->display.title = title;
450 const int display_width = var_CreateGetInteger(vout, "width");
451 const int display_height = var_CreateGetInteger(vout, "height");
452 cfg->display.width = display_width > 0 ? display_width : 0;
453 cfg->display.height = display_height > 0 ? display_height : 0;
454 cfg->is_display_filled = var_CreateGetBool(vout, "autoscale");
455 cfg->display.sar.num = 1; /* TODO monitor AR */
456 cfg->display.sar.den = 1;
457 unsigned zoom_den = 1000;
458 unsigned zoom_num = zoom_den * var_CreateGetFloat(vout, "scale");
459 vlc_ureduce(&zoom_num, &zoom_den, zoom_num, zoom_den, 0);
460 cfg->zoom.num = zoom_num;
461 cfg->zoom.den = zoom_den;
462 cfg->align.vertical = VOUT_DISPLAY_ALIGN_CENTER;
463 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_CENTER;
464 const int align_mask = var_CreateGetInteger(vout, "align");
465 if (align_mask & 0x1)
466 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_LEFT;
467 else if (align_mask & 0x2)
468 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_RIGHT;
469 if (align_mask & 0x4)
470 cfg->align.vertical = VOUT_DISPLAY_ALIGN_TOP;
471 else if (align_mask & 0x8)
472 cfg->align.vertical = VOUT_DISPLAY_ALIGN_BOTTOM;
473 }
474
475 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd,
476 const vout_window_cfg_t *cfg)
477 {
478 VLC_UNUSED(vd);
479 vout_window_cfg_t cfg_override = *cfg;
480
481 if (!var_InheritBool( vout, "embedded-video"))
482 cfg_override.is_standalone = true;
483
484 if (vout->p->window.is_unused && vout->p->window.object) {
485 assert(!vout->p->splitter_name);
486 if (!cfg_override.is_standalone == !vout->p->window.cfg.is_standalone &&
487 cfg_override.type == vout->p->window.cfg.type) {
488 /* Reuse the stored window */
489 msg_Dbg(vout, "Reusing previous vout window");
490 vout_window_t *window = vout->p->window.object;
491 if (cfg_override.width != vout->p->window.cfg.width ||
492 cfg_override.height != vout->p->window.cfg.height)
493 vout_window_SetSize(window,
494 cfg_override.width, cfg_override.height);
495 vout->p->window.is_unused = false;
496 vout->p->window.cfg = cfg_override;
497 return window;
498 }
499
500 vout_window_Delete(vout->p->window.object);
501 vout->p->window.is_unused = true;
502 vout->p->window.object = NULL;
503 }
504
505 vout_window_t *window = vout_window_New(VLC_OBJECT(vout), "$window",
506 &cfg_override);
507 if (!window)
508 return NULL;
509 if (!vout->p->splitter_name) {
510 vout->p->window.is_unused = false;
511 vout->p->window.cfg = cfg_override;
512 vout->p->window.object = window;
513 }
514 return window;
515 }
516
517 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd,
518 vout_window_t *window)
519 {
520 VLC_UNUSED(vd);
521 if (!vout->p->window.is_unused && vout->p->window.object == window) {
522 vout->p->window.is_unused = true;
523 } else if (vout->p->window.is_unused && vout->p->window.object && !window) {
524 vout_window_Delete(vout->p->window.object);
525 vout->p->window.is_unused = true;
526 vout->p->window.object = NULL;
527 } else if (window) {
528 vout_window_Delete(window);
529 }
530 }
531
532 /* */
533
534 static picture_t *VoutVideoFilterInteractiveNewPicture(filter_t *filter)
535 {
536 vout_thread_t *vout = (vout_thread_t*)filter->p_owner;
537
538 return picture_pool_Get(vout->p->private_pool);
539 }
540 static picture_t *VoutVideoFilterStaticNewPicture(filter_t *filter)
541 {
542 vout_thread_t *vout = (vout_thread_t*)filter->p_owner;
543
544 vlc_assert_locked(&vout->p->filter.lock);
545 if (filter_chain_GetLength(vout->p->filter.chain_interactive) == 0)
546 return VoutVideoFilterInteractiveNewPicture(filter);
547 return picture_NewFromFormat(&filter->fmt_out.video);
548 }
549 static void VoutVideoFilterDelPicture(filter_t *filter, picture_t *picture)
550 {
551 VLC_UNUSED(filter);
552 picture_Release(picture);
553 }
554 static int VoutVideoFilterStaticAllocationSetup(filter_t *filter, void *data)
555 {
556 filter->pf_video_buffer_new = VoutVideoFilterStaticNewPicture;
557 filter->pf_video_buffer_del = VoutVideoFilterDelPicture;
558 filter->p_owner = data; /* vout */
559 return VLC_SUCCESS;
560 }
561 static int VoutVideoFilterInteractiveAllocationSetup(filter_t *filter, void *data)
562 {
563 filter->pf_video_buffer_new = VoutVideoFilterInteractiveNewPicture;
564 filter->pf_video_buffer_del = VoutVideoFilterDelPicture;
565 filter->p_owner = data; /* vout */
566 return VLC_SUCCESS;
567 }
568
569 /* */
570 static int ThreadDisplayPreparePicture(vout_thread_t *vout, bool reuse, bool is_late_dropped)
571 {
572 int lost_count = 0;
573
574 vlc_mutex_lock(&vout->p->filter.lock);
575
576 picture_t *picture = filter_chain_VideoFilter(vout->p->filter.chain_static, NULL);
577 assert(!reuse || !picture);
578
579 while (!picture) {
580 picture_t *decoded;
581 if (reuse && vout->p->displayed.decoded) {
582 decoded = picture_Hold(vout->p->displayed.decoded);
583 } else {
584 decoded = picture_fifo_Pop(vout->p->decoder_fifo);
585 if (is_late_dropped && decoded && !decoded->b_force) {
586 const mtime_t predicted = mdate() + 0; /* TODO improve */
587 const mtime_t late = predicted - decoded->date;
588 if (late > VOUT_DISPLAY_LATE_THRESHOLD) {
589 msg_Warn(vout, "picture is too late to be displayed (missing %d ms)", (int)(late/1000));
590 picture_Release(decoded);
591 lost_count++;
592 continue;
593 } else if (late > 0) {
594 msg_Dbg(vout, "picture might be displayed late (missing %d ms)", (int)(late/1000));
595 }
596 }
597 }
598 if (!decoded)
599 break;
600 reuse = false;
601
602 if (vout->p->displayed.decoded)
603 picture_Release(vout->p->displayed.decoded);
604
605 vout->p->displayed.decoded = picture_Hold(decoded);
606 vout->p->displayed.timestamp = decoded->date;
607 vout->p->displayed.is_interlaced = !decoded->b_progressive;
608 vout->p->displayed.qtype = decoded->i_qtype;
609
610 picture = filter_chain_VideoFilter(vout->p->filter.chain_static, decoded);
611 }
612
613 vlc_mutex_unlock(&vout->p->filter.lock);
614
615 vout_statistic_Update(&vout->p->statistic, 0, lost_count);
616 if (!picture)
617 return VLC_EGENERIC;
618
619 assert(!vout->p->displayed.next);
620 if (!vout->p->displayed.current)
621 vout->p->displayed.current = picture;
622 else
623 vout->p->displayed.next = picture;
624 return VLC_SUCCESS;
625 }
626
627 static int ThreadDisplayRenderPicture(vout_thread_t *vout, bool is_forced)
628 {
629 vout_display_t *vd = vout->p->display.vd;
630
631 picture_t *torender = picture_Hold(vout->p->displayed.current);
632
633 vout_chrono_Start(&vout->p->render);
634
635 vlc_mutex_lock(&vout->p->filter.lock);
636 picture_t *filtered = filter_chain_VideoFilter(vout->p->filter.chain_interactive, torender);
637 vlc_mutex_unlock(&vout->p->filter.lock);
638
639 if (!filtered)
640 return VLC_EGENERIC;
641
642 if (filtered->date != vout->p->displayed.current->date)
643 msg_Warn(vout, "Unsupported timestamp modifications done by chain_interactive");
644
645 /*
646 * Check for subpictures to display
647 */
648 const bool do_snapshot = vout_snapshot_IsRequested(&vout->p->snapshot);
649 mtime_t spu_render_time = is_forced ? mdate() : filtered->date;
650 if (vout->p->pause.is_on)
651 spu_render_time = vout->p->pause.date;
652 else
653 spu_render_time = filtered->date > 1 ? filtered->date : mdate();
654
655 subpicture_t *subpic = spu_SortSubpictures(vout->p->p_spu,
656 spu_render_time,
657 do_snapshot);
658 /*
659 * Perform rendering
660 *
661 * We have to:
662 * - be sure to end up with a direct buffer.
663 * - blend subtitles, and in a fast access buffer
664 */
665 picture_t *direct = NULL;
666 if (filtered &&
667 (vout->p->decoder_pool != vout->p->display_pool || subpic)) {
668 picture_t *render;
669 if (vout->p->is_decoder_pool_slow)
670 render = picture_NewFromFormat(&vd->source);
671 else if (vout->p->decoder_pool != vout->p->display_pool)
672 render = picture_pool_Get(vout->p->display_pool);
673 else
674 render = picture_pool_Get(vout->p->private_pool);
675
676 if (render) {
677 picture_Copy(render, filtered);
678
679 spu_RenderSubpictures(vout->p->p_spu,
680 render, &vd->source,
681 subpic, &vd->source, spu_render_time);
682 }
683 if (vout->p->is_decoder_pool_slow) {
684 direct = picture_pool_Get(vout->p->display_pool);
685 if (direct)
686 picture_Copy(direct, render);
687 picture_Release(render);
688
689 } else {
690 direct = render;
691 }
692 picture_Release(filtered);
693 filtered = NULL;
694 } else {
695 direct = filtered;
696 }
697
698 if (!direct)
699 return VLC_EGENERIC;
700
701 /*
702 * Take a snapshot if requested
703 */
704 if (do_snapshot)
705 vout_snapshot_Set(&vout->p->snapshot, &vd->source, direct);
706
707 /* Render the direct buffer returned by vout_RenderPicture */
708 vout_RenderWrapper(vout, direct);
709
710 vout_chrono_Stop(&vout->p->render);
711 #if 0
712 {
713 static int i = 0;
714 if (((i++)%10) == 0)
715 msg_Info(vout, "render: avg %d ms var %d ms",
716 (int)(vout->p->render.avg/1000), (int)(vout->p->render.var/1000));
717 }
718 #endif
719
720 /* Wait the real date (for rendering jitter) */
721 #if 0
722 mtime_t delay = direct->date - mdate();
723 if (delay < 1000)
724 msg_Warn(vout, "picture is late (%lld ms)", delay / 1000);
725 #endif
726 if (!is_forced)
727 mwait(direct->date);
728
729 /* Display the direct buffer returned by vout_RenderPicture */
730 vout->p->displayed.date = mdate();
731
732 vout_DisplayWrapper(vout, direct);
733
734 vout_statistic_Update(&vout->p->statistic, 1, 0);
735
736 return VLC_SUCCESS;
737 }
738
739 static int ThreadDisplayPicture(vout_thread_t *vout,
740 bool now, mtime_t *deadline)
741 {
742 bool is_late_dropped = vout->p->is_late_dropped && !vout->p->pause.is_on && !now;
743 bool first = !vout->p->displayed.current;
744 if (first && ThreadDisplayPreparePicture(vout, true, is_late_dropped)) /* FIXME not sure it is ok */
745 return VLC_EGENERIC;
746 if (!vout->p->pause.is_on || now) {
747 while (!vout->p->displayed.next) {
748 if (ThreadDisplayPreparePicture(vout, false, is_late_dropped)) {
749 break;
750 }
751 }
752 }
753
754 const mtime_t date = mdate();
755 const mtime_t render_delay = vout_chrono_GetHigh(&vout->p->render) + VOUT_MWAIT_TOLERANCE;
756
757 mtime_t date_next = VLC_TS_INVALID;
758 if (!vout->p->pause.is_on && vout->p->displayed.next)
759 date_next = vout->p->displayed.next->date - render_delay;
760
761 /* FIXME/XXX we must redisplay the last decoded picture (because
762 * of potential vout updated, or filters update or SPU update)
763 * For now a high update period is needed but it coulmd be removed
764 * if and only if:
765 * - vout module emits events from theselves.
766 * - *and* SPU is modified to emit an event or a deadline when needed.
767 *
768 * So it will be done latter.
769 */
770 mtime_t date_refresh = VLC_TS_INVALID;
771 if (vout->p->displayed.date > VLC_TS_INVALID)
772 date_refresh = vout->p->displayed.date + VOUT_REDISPLAY_DELAY - render_delay;
773
774 bool drop = now;
775 if (date_next != VLC_TS_INVALID)
776 drop |= date_next + 0 <= date;
777
778 bool refresh = false;
779 if (date_refresh > VLC_TS_INVALID)
780 refresh = date_refresh <= date;
781
782 if (!first && !refresh && !drop) {
783 if (date_next != VLC_TS_INVALID && date_refresh != VLC_TS_INVALID)
784 *deadline = __MIN(date_next, date_refresh);
785 else if (date_next != VLC_TS_INVALID)
786 *deadline = date_next;
787 else if (date_refresh != VLC_TS_INVALID)
788 *deadline = date_refresh;
789 return VLC_EGENERIC;
790 }
791
792 if (drop) {
793 picture_Release(vout->p->displayed.current);
794 vout->p->displayed.current = vout->p->displayed.next;
795 vout->p->displayed.next = NULL;
796 }
797 if (!vout->p->displayed.current)
798 return VLC_EGENERIC;
799
800 bool is_forced = now || (!drop && refresh) || vout->p->displayed.current->b_force;
801 return ThreadDisplayRenderPicture(vout, is_forced);
802 }
803
804 static void ThreadManage(vout_thread_t *vout,
805 mtime_t *deadline,
806 vout_interlacing_support_t *interlacing,
807 vout_postprocessing_support_t *postprocessing)
808 {
809 vlc_mutex_lock(&vout->p->picture_lock);
810
811 *deadline = VLC_TS_INVALID;
812 for (;;) {
813 if (ThreadDisplayPicture(vout, false, deadline))
814 break;
815 }
816
817 const int picture_qtype = vout->p->displayed.qtype;
818 const bool picture_interlaced = vout->p->displayed.is_interlaced;
819
820 vlc_mutex_unlock(&vout->p->picture_lock);
821
822 /* Post processing */
823 vout_SetPostProcessingState(vout, postprocessing, picture_qtype);
824
825 /* Deinterlacing */
826 vout_SetInterlacingState(vout, interlacing, picture_interlaced);
827
828 vout_ManageWrapper(vout);
829 }
830
831 static void ThreadDisplaySubpicture(vout_thread_t *vout,
832 subpicture_t *subpicture)
833 {
834 spu_DisplaySubpicture(vout->p->p_spu, subpicture);
835 }
836
837 static void ThreadFlushSubpicture(vout_thread_t *vout, int channel)
838 {
839 spu_ClearChannel(vout->p->p_spu, channel);
840 }
841
842 static void ThreadDisplayOsdTitle(vout_thread_t *vout, const char *string)
843 {
844 if (!vout->p->title.show)
845 return;
846
847 vout_OSDText(vout, SPU_DEFAULT_CHANNEL,
848 vout->p->title.position, INT64_C(1000) * vout->p->title.timeout,
849 string);
850 }
851
852 static void ThreadFilterFlush(vout_thread_t *vout)
853 {
854 if (vout->p->displayed.current)
855 picture_Release( vout->p->displayed.current );
856 vout->p->displayed.current = NULL;
857
858 if (vout->p->displayed.next)
859 picture_Release( vout->p->displayed.next );
860 vout->p->displayed.next = NULL;
861
862 vlc_mutex_lock(&vout->p->filter.lock);
863 filter_chain_VideoFlush(vout->p->filter.chain_static);
864 filter_chain_VideoFlush(vout->p->filter.chain_interactive);
865 vlc_mutex_unlock(&vout->p->filter.lock);
866 }
867
868 typedef struct {
869 char *name;
870 config_chain_t *cfg;
871 } vout_filter_t;
872
873 static void ThreadChangeFilters(vout_thread_t *vout, const char *filters)
874 {
875 ThreadFilterFlush(vout);
876
877 vlc_array_t array_static;
878 vlc_array_t array_interactive;
879
880 vlc_array_init(&array_static);
881 vlc_array_init(&array_interactive);
882 char *current = filters ? strdup(filters) : NULL;
883 while (current) {
884 config_chain_t *cfg;
885 char *name;
886 char *next = config_ChainCreate(&name, &cfg, current);
887
888 if (name && *name) {
889 vout_filter_t *e = xmalloc(sizeof(*e));
890 e->name = name;
891 e->cfg = cfg;
892 if (!strcmp(e->name, "deinterlace") ||
893 !strcmp(e->name, "postproc")) {
894 vlc_array_append(&array_static, e);
895 } else {
896 vlc_array_append(&array_interactive, e);
897 }
898 } else {
899 if (cfg)
900 config_ChainDestroy(cfg);
901 free(name);
902 }
903 free(current);
904 current = next;
905 }
906
907 es_format_t fmt;
908 es_format_Init(&fmt, VIDEO_ES, vout->p->original.i_chroma);
909 fmt.video = vout->p->original;
910
911 vlc_mutex_lock(&vout->p->filter.lock);
912
913 filter_chain_Reset(vout->p->filter.chain_static, &fmt, &fmt);
914 filter_chain_Reset(vout->p->filter.chain_interactive, &fmt, &fmt);
915
916 for (int a = 0; a < 2; a++) {
917 vlc_array_t *array = a == 0 ? &array_static :
918 &array_interactive;
919 filter_chain_t *chain = a == 0 ? vout->p->filter.chain_static :
920 vout->p->filter.chain_interactive;
921
922 for (int i = 0; i < vlc_array_count(array); i++) {
923 vout_filter_t *e = vlc_array_item_at_index(array, i);
924 msg_Dbg(vout, "Adding '%s' as %s", e->name, a == 0 ? "static" : "interactive");
925 if (!filter_chain_AppendFilter(chain, e->name, e->cfg, NULL, NULL)) {
926 msg_Err(vout, "Failed to add filter '%s'", e->name);
927 config_ChainDestroy(e->cfg);
928 }
929 free(e->name);
930 free(e);
931 }
932 vlc_array_clear(array);
933 }
934
935 vlc_mutex_unlock(&vout->p->filter.lock);
936 }
937
938 static void ThreadChangeSubFilters(vout_thread_t *vout, const char *filters)
939 {
940 spu_ChangeFilters(vout->p->p_spu, filters);
941 }
942 static void ThreadChangeSubMargin(vout_thread_t *vout, int margin)
943 {
944 spu_ChangeMargin(vout->p->p_spu, margin);
945 }
946
947 static void ThreadChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
948 {
949 assert(!vout->p->pause.is_on || !is_paused);
950
951 if (vout->p->pause.is_on) {
952 const mtime_t duration = date - vout->p->pause.date;
953
954 if (vout->p->step.timestamp > VLC_TS_INVALID)
955 vout->p->step.timestamp += duration;
956 if (vout->p->step.last > VLC_TS_INVALID)
957 vout->p->step.last += duration;
958 picture_fifo_OffsetDate(vout->p->decoder_fifo, duration);
959 if (vout->p->displayed.decoded)
960 vout->p->displayed.decoded->date += duration;
961 spu_OffsetSubtitleDate(vout->p->p_spu, duration);
962
963 ThreadFilterFlush(vout);
964 } else {
965 vout->p->step.timestamp = VLC_TS_INVALID;
966 vout->p->step.last = VLC_TS_INVALID;
967 }
968 vout->p->pause.is_on = is_paused;
969 vout->p->pause.date = date;
970 }
971
972 static void ThreadFlush(vout_thread_t *vout, bool below, mtime_t date)
973 {
974 vout->p->step.timestamp = VLC_TS_INVALID;
975 vout->p->step.last = VLC_TS_INVALID;
976
977 ThreadFilterFlush(vout); /* FIXME too much */
978
979 picture_t *last = vout->p->displayed.decoded;
980 if (last) {
981 if (( below && last->date <= date) ||
982 (!below && last->date >= date)) {
983 picture_Release(last);
984
985 vout->p->displayed.decoded = NULL;
986 vout->p->displayed.date = VLC_TS_INVALID;
987 vout->p->displayed.timestamp = VLC_TS_INVALID;
988 }
989 }
990
991 picture_fifo_Flush(vout->p->decoder_fifo, date, below);
992 }
993
994 static void ThreadReset(vout_thread_t *vout)
995 {
996 ThreadFlush(vout, true, INT64_MAX);
997 if (vout->p->decoder_pool)
998 picture_pool_NonEmpty(vout->p->decoder_pool, true);
999 vout->p->pause.is_on = false;
1000 vout->p->pause.date = mdate();
1001 }
1002
1003 static void ThreadStep(vout_thread_t *vout, mtime_t *duration)
1004 {
1005 *duration = 0;
1006
1007 if (vout->p->step.last <= VLC_TS_INVALID)
1008 vout->p->step.last = vout->p->displayed.timestamp;
1009
1010 mtime_t dummy;
1011 if (ThreadDisplayPicture(vout, true, &dummy))
1012 return;
1013
1014 vout->p->step.timestamp = vout->p->displayed.timestamp;
1015
1016 if (vout->p->step.last > VLC_TS_INVALID &&
1017 vout->p->step.timestamp > vout->p->step.last) {
1018 *duration = vout->p->step.timestamp - vout->p->step.last;
1019 vout->p->step.last = vout->p->step.timestamp;
1020 /* TODO advance subpicture by the duration ... */
1021 }
1022 }
1023
1024 static void ThreadChangeFullscreen(vout_thread_t *vout, bool fullscreen)
1025 {
1026 /* FIXME not sure setting "fullscreen" is good ... */
1027 var_SetBool(vout, "fullscreen", fullscreen);
1028 vout_SetDisplayFullscreen(vout->p->display.vd, fullscreen);
1029 }
1030
1031 static void ThreadChangeOnTop(vout_thread_t *vout, bool is_on_top)
1032 {
1033 vout_SetWindowState(vout->p->display.vd,
1034 is_on_top ? VOUT_WINDOW_STATE_ABOVE :
1035 VOUT_WINDOW_STATE_NORMAL);
1036 }
1037
1038 static void ThreadChangeDisplayFilled(vout_thread_t *vout, bool is_filled)
1039 {
1040 vout_SetDisplayFilled(vout->p->display.vd, is_filled);
1041 }
1042
1043 static void ThreadChangeZoom(vout_thread_t *vout, int num, int den)
1044 {
1045 if (num * 10 < den) {
1046 num = den;
1047 den *= 10;
1048 } else if (num > den * 10) {
1049 num = den * 10;
1050 }
1051
1052 vout_SetDisplayZoom(vout->p->display.vd, num, den);
1053 }
1054
1055 static void ThreadChangeAspectRatio(vout_thread_t *vout,
1056 unsigned num, unsigned den)
1057 {
1058 const video_format_t *source = &vout->p->original;
1059
1060 if (num > 0 && den > 0) {
1061 num *= source->i_visible_height;
1062 den *= source->i_visible_width;
1063 vlc_ureduce(&num, &den, num, den, 0);
1064 }
1065 vout_SetDisplayAspect(vout->p->display.vd, num, den);
1066 }
1067
1068
1069 static void ThreadExecuteCropWindow(vout_thread_t *vout,
1070 unsigned crop_num, unsigned crop_den,
1071 unsigned x, unsigned y,
1072 unsigned width, unsigned height)
1073 {
1074 const video_format_t *source = &vout->p->original;
1075
1076 vout_SetDisplayCrop(vout->p->display.vd,
1077 crop_num, crop_den,
1078 source->i_x_offset + x,
1079 source->i_y_offset + y,
1080 width, height);
1081 }
1082 static void ThreadExecuteCropBorder(vout_thread_t *vout,
1083 unsigned left, unsigned top,
1084 unsigned right, unsigned bottom)
1085 {
1086 const video_format_t *source = &vout->p->original;
1087 ThreadExecuteCropWindow(vout, 0, 0,
1088 left,
1089 top,
1090 /* At worst, it becomes < 0 (but unsigned) and will be rejected */
1091 source->i_visible_width - (left + right),
1092 source->i_visible_height - (top + bottom));
1093 }
1094
1095 static void ThreadExecuteCropRatio(vout_thread_t *vout,
1096 unsigned num, unsigned den)
1097 {
1098 const video_format_t *source = &vout->p->original;
1099 ThreadExecuteCropWindow(vout, num, den,
1100 0, 0,
1101 source->i_visible_width,
1102 source->i_visible_height);
1103 }
1104
1105 static int ThreadStart(vout_thread_t *vout, const vout_display_state_t *state)
1106 {
1107 vlc_mouse_Init(&vout->p->mouse);
1108 vout->p->decoder_fifo = picture_fifo_New();
1109 vout->p->decoder_pool = NULL;
1110 vout->p->display_pool = NULL;
1111 vout->p->private_pool = NULL;
1112
1113 vout->p->filter.chain_static =
1114 filter_chain_New( vout, "video filter2", false,
1115 VoutVideoFilterStaticAllocationSetup, NULL, vout);
1116 vout->p->filter.chain_interactive =
1117 filter_chain_New( vout, "video filter2", false,
1118 VoutVideoFilterInteractiveAllocationSetup, NULL, vout);
1119
1120 vout_display_state_t state_default;
1121 if (!state) {
1122 VoutGetDisplayCfg(vout, &state_default.cfg, vout->p->display.title);
1123 state_default.wm_state = var_CreateGetBool(vout, "video-on-top") ? VOUT_WINDOW_STATE_ABOVE :
1124 VOUT_WINDOW_STATE_NORMAL;
1125 state_default.sar.num = 0;
1126 state_default.sar.den = 0;
1127
1128 state = &state_default;
1129 }
1130
1131 if (vout_OpenWrapper(vout, vout->p->splitter_name, state))
1132 return VLC_EGENERIC;
1133 if (vout_InitWrapper(vout))
1134 return VLC_EGENERIC;
1135 assert(vout->p->decoder_pool);
1136
1137 vout->p->displayed.current = NULL;
1138 vout->p->displayed.next = NULL;
1139 vout->p->displayed.decoded = NULL;
1140 vout->p->displayed.date = VLC_TS_INVALID;
1141 vout->p->displayed.timestamp = VLC_TS_INVALID;
1142 vout->p->displayed.qtype = QTYPE_NONE;
1143 vout->p->displayed.is_interlaced = false;
1144
1145 vout->p->step.last = VLC_TS_INVALID;
1146 vout->p->step.timestamp = VLC_TS_INVALID;
1147
1148 video_format_Print(VLC_OBJECT(vout), "original format", &vout->p->original);
1149 return VLC_SUCCESS;
1150 }
1151
1152 static void ThreadStop(vout_thread_t *vout, vout_display_state_t *state)
1153 {
1154 /* Destroy translation tables */
1155 if (vout->p->display.vd) {
1156 if (vout->p->decoder_pool) {
1157 ThreadFlush(vout, true, INT64_MAX);
1158 vout_EndWrapper(vout);
1159 }
1160 vout_CloseWrapper(vout, state);
1161 }
1162
1163 /* Destroy the video filters2 */
1164 filter_chain_Delete(vout->p->filter.chain_interactive);
1165 filter_chain_Delete(vout->p->filter.chain_static);
1166
1167 if (vout->p->decoder_fifo)
1168 picture_fifo_Delete(vout->p->decoder_fifo);
1169 assert(!vout->p->decoder_pool);
1170 }
1171
1172 static void ThreadInit(vout_thread_t *vout)
1173 {
1174 vout->p->window.is_unused = true;
1175 vout->p->window.object = NULL;
1176 vout->p->dead = false;
1177 vout->p->is_late_dropped = var_InheritBool(vout, "drop-late-frames");
1178 vout->p->pause.is_on = false;
1179 vout->p->pause.date = VLC_TS_INVALID;
1180
1181 vout_chrono_Init(&vout->p->render, 5, 10000); /* Arbitrary initial time */
1182 }
1183
1184 static void ThreadClean(vout_thread_t *vout)
1185 {
1186 if (vout->p->window.object) {
1187 assert(vout->p->window.is_unused);
1188 vout_window_Delete(vout->p->window.object);
1189 }
1190 vout_chrono_Clean(&vout->p->render);
1191 vout->p->dead = true;
1192 vout_control_Dead(&vout->p->control);
1193 }
1194
1195 static int ThreadReinit(vout_thread_t *vout,
1196 const vout_configuration_t *cfg)
1197 {
1198 video_format_t original;
1199 if (VoutValidateFormat(&original, cfg->fmt)) {
1200 ThreadStop(vout, NULL);
1201 ThreadClean(vout);
1202 return VLC_EGENERIC;
1203 }
1204 if (video_format_IsSimilar(&original, &vout->p->original)) {
1205 if (cfg->dpb_size <= vout->p->dpb_size)
1206 return VLC_SUCCESS;
1207 msg_Warn(vout, "DPB need to be increased");
1208 }
1209
1210 vout_display_state_t state;
1211 memset(&state, 0, sizeof(state));
1212
1213 ThreadStop(vout, &state);
1214
1215 if (!state.cfg.is_fullscreen) {
1216 state.cfg.display.width = 0;
1217 state.cfg.display.height = 0;
1218 }
1219 state.sar.num = 0;
1220 state.sar.den = 0;
1221 /* FIXME current vout "variables" are not in sync here anymore
1222 * and I am not sure what to do */
1223
1224 vout->p->original = original;
1225 vout->p->dpb_size = cfg->dpb_size;
1226 if (ThreadStart(vout, &state)) {
1227 ThreadClean(vout);
1228 return VLC_EGENERIC;
1229 }
1230 return VLC_SUCCESS;
1231 }
1232
1233 /*****************************************************************************
1234 * Thread: video output thread
1235 *****************************************************************************
1236 * Video output thread. This function does only returns when the thread is
1237 * terminated. It handles the pictures arriving in the video heap and the
1238 * display device events.
1239 *****************************************************************************/
1240 static void *Thread(void *object)
1241 {
1242 vout_thread_t *vout = object;
1243
1244 vout_interlacing_support_t interlacing = {
1245 .is_interlaced = false,
1246 .date = mdate(),
1247 };
1248 vout_postprocessing_support_t postprocessing = {
1249 .qtype = QTYPE_NONE,
1250 };
1251
1252 mtime_t deadline = VLC_TS_INVALID;
1253 for (;;) {
1254 vout_control_cmd_t cmd;
1255
1256 /* FIXME remove thoses ugly timeouts
1257 */
1258 while (!vout_control_Pop(&vout->p->control, &cmd, deadline, 100000)) {
1259 switch(cmd.type) {
1260 case VOUT_CONTROL_INIT:
1261 ThreadInit(vout);
1262 if (ThreadStart(vout, NULL)) {
1263 ThreadStop(vout, NULL);
1264 ThreadClean(vout);
1265 return NULL;
1266 }
1267 break;
1268 case VOUT_CONTROL_CLEAN:
1269 ThreadStop(vout, NULL);
1270 ThreadClean(vout);
1271 return NULL;
1272 case VOUT_CONTROL_REINIT:
1273 if (ThreadReinit(vout, cmd.u.cfg))
1274 return NULL;
1275 break;
1276 case VOUT_CONTROL_SUBPICTURE:
1277 ThreadDisplaySubpicture(vout, cmd.u.subpicture);
1278 cmd.u.subpicture = NULL;
1279 break;
1280 case VOUT_CONTROL_FLUSH_SUBPICTURE:
1281 ThreadFlushSubpicture(vout, cmd.u.integer);
1282 break;
1283 case VOUT_CONTROL_OSD_TITLE:
1284 ThreadDisplayOsdTitle(vout, cmd.u.string);
1285 break;
1286 case VOUT_CONTROL_CHANGE_FILTERS:
1287 ThreadChangeFilters(vout, cmd.u.string);
1288 break;
1289 case VOUT_CONTROL_CHANGE_SUB_FILTERS:
1290 ThreadChangeSubFilters(vout, cmd.u.string);
1291 break;
1292 case VOUT_CONTROL_CHANGE_SUB_MARGIN:
1293 ThreadChangeSubMargin(vout, cmd.u.integer);
1294 break;
1295 case VOUT_CONTROL_PAUSE:
1296 ThreadChangePause(vout, cmd.u.pause.is_on, cmd.u.pause.date);
1297 break;
1298 case VOUT_CONTROL_FLUSH:
1299 ThreadFlush(vout, false, cmd.u.time);
1300 break;
1301 case VOUT_CONTROL_RESET:
1302 ThreadReset(vout);
1303 break;
1304 case VOUT_CONTROL_STEP:
1305 ThreadStep(vout, cmd.u.time_ptr);
1306 break;
1307 case VOUT_CONTROL_FULLSCREEN:
1308 ThreadChangeFullscreen(vout, cmd.u.boolean);
1309 break;
1310 case VOUT_CONTROL_ON_TOP:
1311 ThreadChangeOnTop(vout, cmd.u.boolean);
1312 break;
1313 case VOUT_CONTROL_DISPLAY_FILLED:
1314 ThreadChangeDisplayFilled(vout, cmd.u.boolean);
1315 break;
1316 case VOUT_CONTROL_ZOOM:
1317 ThreadChangeZoom(vout, cmd.u.pair.a, cmd.u.pair.b);
1318 break;
1319 case VOUT_CONTROL_ASPECT_RATIO:
1320 ThreadChangeAspectRatio(vout, cmd.u.pair.a, cmd.u.pair.b);
1321 break;
1322 case VOUT_CONTROL_CROP_RATIO:
1323 ThreadExecuteCropRatio(vout, cmd.u.pair.a, cmd.u.pair.b);
1324 break;
1325 case VOUT_CONTROL_CROP_WINDOW:
1326 ThreadExecuteCropWindow(vout, 0, 0,
1327 cmd.u.window.x, cmd.u.window.y,
1328 cmd.u.window.width, cmd.u.window.height);
1329 break;
1330 case VOUT_CONTROL_CROP_BORDER:
1331 ThreadExecuteCropBorder(vout,
1332 cmd.u.border.left, cmd.u.border.top,
1333 cmd.u.border.right, cmd.u.border.bottom);
1334 break;
1335 default:
1336 break;
1337 }
1338 vout_control_cmd_Clean(&cmd);
1339 }
1340
1341 ThreadManage(vout, &deadline, &interlacing, &postprocessing);
1342 }
1343 }
1344