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 VLC authors and VideoLAN
9 * $Id: d552160befaaf888f6cb1af70a39bb34e87bacb8 $
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 it
16 * under the terms of the GNU Lesser General Public License as published by
17 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
24 *
25 * You should have received a copy of the GNU Lesser General Public License
26 * along with this program; if not, write to the Free Software Foundation,
27 * 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_spu.h>
47 #include <vlc_vout_osd.h>
48 #include <vlc_image.h>
49 #include <vlc_plugin.h>
50
51 #include <libvlc.h>
52 #include "vout_internal.h"
53 #include "interlacing.h"
54 #include "display.h"
55 #include "window.h"
56 #include "../misc/variables.h"
57
58 /*****************************************************************************
59 * Local prototypes
60 *****************************************************************************/
61 static void *Thread(void *);
62 static void VoutDestructor(vlc_object_t *);
63
64 /* Maximum delay between 2 displayed pictures.
65 * XXX it is needed for now but should be removed in the long term.
66 */
67 #define VOUT_REDISPLAY_DELAY (INT64_C(80000))
68
69 /**
70 * Late pictures having a delay higher than this value are thrashed.
71 */
72 #define VOUT_DISPLAY_LATE_THRESHOLD (INT64_C(20000))
73
74 /* Better be in advance when awakening than late... */
75 #define VOUT_MWAIT_TOLERANCE (INT64_C(4000))
76
77 /* */
VoutValidateFormat(video_format_t * dst,const video_format_t * src)78 static int VoutValidateFormat(video_format_t *dst,
79 const video_format_t *src)
80 {
81 if (src->i_width == 0 || src->i_width > 8192 ||
82 src->i_height == 0 || src->i_height > 8192)
83 return VLC_EGENERIC;
84 if (src->i_sar_num <= 0 || src->i_sar_den <= 0)
85 return VLC_EGENERIC;
86
87 /* */
88 video_format_Copy(dst, src);
89 dst->i_chroma = vlc_fourcc_GetCodec(VIDEO_ES, src->i_chroma);
90 vlc_ureduce( &dst->i_sar_num, &dst->i_sar_den,
91 src->i_sar_num, src->i_sar_den, 50000 );
92 if (dst->i_sar_num <= 0 || dst->i_sar_den <= 0) {
93 dst->i_sar_num = 1;
94 dst->i_sar_den = 1;
95 }
96 video_format_FixRgb(dst);
97 return VLC_SUCCESS;
98 }
VideoFormatCopyCropAr(video_format_t * dst,const video_format_t * src)99 static void VideoFormatCopyCropAr(video_format_t *dst,
100 const video_format_t *src)
101 {
102 video_format_CopyCrop(dst, src);
103 dst->i_sar_num = src->i_sar_num;
104 dst->i_sar_den = src->i_sar_den;
105 }
VideoFormatIsCropArEqual(video_format_t * dst,const video_format_t * src)106 static bool VideoFormatIsCropArEqual(video_format_t *dst,
107 const video_format_t *src)
108 {
109 return dst->i_sar_num * src->i_sar_den == dst->i_sar_den * src->i_sar_num &&
110 dst->i_x_offset == src->i_x_offset &&
111 dst->i_y_offset == src->i_y_offset &&
112 dst->i_visible_width == src->i_visible_width &&
113 dst->i_visible_height == src->i_visible_height;
114 }
115
VoutCreate(vlc_object_t * object,const vout_configuration_t * cfg)116 static vout_thread_t *VoutCreate(vlc_object_t *object,
117 const vout_configuration_t *cfg)
118 {
119 video_format_t original;
120 if (VoutValidateFormat(&original, cfg->fmt))
121 return NULL;
122
123 /* Allocate descriptor */
124 vout_thread_t *vout = vlc_custom_create(object,
125 sizeof(*vout) + sizeof(*vout->p),
126 "video output");
127 if (!vout) {
128 video_format_Clean(&original);
129 return NULL;
130 }
131
132 /* */
133 vout->p = (vout_thread_sys_t*)&vout[1];
134
135 vout->p->original = original;
136 vout->p->dpb_size = cfg->dpb_size;
137
138 vout_control_Init(&vout->p->control);
139 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_INIT);
140
141 vout_statistic_Init(&vout->p->statistic);
142
143 vout_snapshot_Init(&vout->p->snapshot);
144
145 /* Initialize locks */
146 vlc_mutex_init(&vout->p->filter.lock);
147 vlc_mutex_init(&vout->p->spu_lock);
148
149 /* Take care of some "interface/control" related initialisations */
150 vout_IntfInit(vout);
151
152 /* Initialize subpicture unit */
153 vout->p->spu = spu_Create(vout, vout);
154
155 vout->p->title.show = var_InheritBool(vout, "video-title-show");
156 vout->p->title.timeout = var_InheritInteger(vout, "video-title-timeout");
157 vout->p->title.position = var_InheritInteger(vout, "video-title-position");
158
159 /* Get splitter name if present */
160 vout->p->splitter_name = var_InheritString(vout, "video-splitter");
161
162 /* */
163 vout_InitInterlacingSupport(vout, vout->p->displayed.is_interlaced);
164
165 /* Window */
166 if (vout->p->splitter_name == NULL) {
167 vout_window_cfg_t wcfg = {
168 .is_standalone = !var_InheritBool(vout, "embedded-video"),
169 .is_fullscreen = var_GetBool(vout, "fullscreen"),
170 .type = VOUT_WINDOW_TYPE_INVALID,
171 // TODO: take pixel A/R, crop and zoom into account
172 #ifdef __APPLE__
173 .x = var_InheritInteger(vout, "video-x"),
174 .y = var_InheritInteger(vout, "video-y"),
175 #endif
176 .width = cfg->fmt->i_visible_width,
177 .height = cfg->fmt->i_visible_height,
178 };
179
180 vout_window_t *window = vout_display_window_New(vout, &wcfg);
181 if (window != NULL)
182 {
183 if (var_InheritBool(vout, "video-wallpaper"))
184 vout_window_SetState(window, VOUT_WINDOW_STATE_BELOW);
185 else if (var_InheritBool(vout, "video-on-top"))
186 vout_window_SetState(window, VOUT_WINDOW_STATE_ABOVE);
187 }
188 vout->p->window = window;
189 } else
190 vout->p->window = NULL;
191
192 /* */
193 vlc_object_set_destructor(vout, VoutDestructor);
194
195 /* */
196 if (vlc_clone(&vout->p->thread, Thread, vout,
197 VLC_THREAD_PRIORITY_OUTPUT)) {
198 if (vout->p->window != NULL)
199 vout_display_window_Delete(vout->p->window);
200 spu_Destroy(vout->p->spu);
201 vlc_object_release(vout);
202 return NULL;
203 }
204
205 vout_control_WaitEmpty(&vout->p->control);
206
207 if (vout->p->dead) {
208 msg_Err(vout, "video output creation failed");
209 vout_CloseAndRelease(vout);
210 return NULL;
211 }
212
213 vout->p->input = cfg->input;
214 if (vout->p->input)
215 spu_Attach(vout->p->spu, vout->p->input, true);
216
217 return vout;
218 }
219
220 #undef vout_Request
vout_Request(vlc_object_t * object,const vout_configuration_t * cfg)221 vout_thread_t *vout_Request(vlc_object_t *object,
222 const vout_configuration_t *cfg)
223 {
224 vout_thread_t *vout = cfg->vout;
225 if (cfg->change_fmt && !cfg->fmt) {
226 if (vout)
227 vout_CloseAndRelease(vout);
228 return NULL;
229 }
230
231 /* If a vout is provided, try reusing it */
232 if (vout) {
233 if (vout->p->input != cfg->input) {
234 if (vout->p->input)
235 spu_Attach(vout->p->spu, vout->p->input, false);
236 vout->p->input = cfg->input;
237 if (vout->p->input)
238 spu_Attach(vout->p->spu, vout->p->input, true);
239 }
240
241 if (cfg->change_fmt) {
242 vout_control_cmd_t cmd;
243 vout_control_cmd_Init(&cmd, VOUT_CONTROL_REINIT);
244 cmd.u.cfg = cfg;
245
246 vout_control_Push(&vout->p->control, &cmd);
247 vout_control_WaitEmpty(&vout->p->control);
248 vout_IntfReinit(vout);
249 }
250
251 if (!vout->p->dead) {
252 msg_Dbg(object, "reusing provided vout");
253 return vout;
254 }
255 vout_CloseAndRelease(vout);
256
257 msg_Warn(object, "cannot reuse provided vout");
258 }
259 return VoutCreate(object, cfg);
260 }
261
vout_Close(vout_thread_t * vout)262 void vout_Close(vout_thread_t *vout)
263 {
264 assert(vout);
265
266 if (vout->p->input)
267 spu_Attach(vout->p->spu, vout->p->input, false);
268
269 vout_snapshot_End(&vout->p->snapshot);
270
271 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_CLEAN);
272 vlc_join(vout->p->thread, NULL);
273
274 if (vout->p->window != NULL)
275 vout_display_window_Delete(vout->p->window);
276
277 vlc_mutex_lock(&vout->p->spu_lock);
278 spu_Destroy(vout->p->spu);
279 vout->p->spu = NULL;
280 vlc_mutex_unlock(&vout->p->spu_lock);
281 }
282
283 /* */
VoutDestructor(vlc_object_t * object)284 static void VoutDestructor(vlc_object_t *object)
285 {
286 vout_thread_t *vout = (vout_thread_t *)object;
287
288 /* Make sure the vout was stopped first */
289 //assert(!vout->p_module);
290
291 free(vout->p->splitter_name);
292
293 /* Destroy the locks */
294 vlc_mutex_destroy(&vout->p->spu_lock);
295 vlc_mutex_destroy(&vout->p->filter.lock);
296 vout_control_Clean(&vout->p->control);
297
298 /* */
299 vout_statistic_Clean(&vout->p->statistic);
300
301 /* */
302 vout_snapshot_Clean(&vout->p->snapshot);
303
304 video_format_Clean(&vout->p->original);
305 }
306
307 /* */
vout_Cancel(vout_thread_t * vout,bool canceled)308 void vout_Cancel(vout_thread_t *vout, bool canceled)
309 {
310 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_CANCEL, canceled);
311 vout_control_WaitEmpty(&vout->p->control);
312 }
313
vout_ChangePause(vout_thread_t * vout,bool is_paused,mtime_t date)314 void vout_ChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
315 {
316 vout_control_cmd_t cmd;
317 vout_control_cmd_Init(&cmd, VOUT_CONTROL_PAUSE);
318 cmd.u.pause.is_on = is_paused;
319 cmd.u.pause.date = date;
320 vout_control_Push(&vout->p->control, &cmd);
321
322 vout_control_WaitEmpty(&vout->p->control);
323 }
324
vout_GetResetStatistic(vout_thread_t * vout,unsigned * restrict displayed,unsigned * restrict lost)325 void vout_GetResetStatistic(vout_thread_t *vout, unsigned *restrict displayed,
326 unsigned *restrict lost)
327 {
328 vout_statistic_GetReset( &vout->p->statistic, displayed, lost );
329 }
330
vout_Flush(vout_thread_t * vout,mtime_t date)331 void vout_Flush(vout_thread_t *vout, mtime_t date)
332 {
333 vout_control_PushTime(&vout->p->control, VOUT_CONTROL_FLUSH, date);
334 vout_control_WaitEmpty(&vout->p->control);
335 }
336
vout_IsEmpty(vout_thread_t * vout)337 bool vout_IsEmpty(vout_thread_t *vout)
338 {
339 picture_t *picture = picture_fifo_Peek(vout->p->decoder_fifo);
340 if (picture)
341 picture_Release(picture);
342
343 return !picture;
344 }
345
vout_NextPicture(vout_thread_t * vout,mtime_t * duration)346 void vout_NextPicture(vout_thread_t *vout, mtime_t *duration)
347 {
348 vout_control_cmd_t cmd;
349 vout_control_cmd_Init(&cmd, VOUT_CONTROL_STEP);
350 cmd.u.time_ptr = duration;
351
352 vout_control_Push(&vout->p->control, &cmd);
353 vout_control_WaitEmpty(&vout->p->control);
354 }
355
vout_DisplayTitle(vout_thread_t * vout,const char * title)356 void vout_DisplayTitle(vout_thread_t *vout, const char *title)
357 {
358 assert(title);
359 vout_control_PushString(&vout->p->control, VOUT_CONTROL_OSD_TITLE, title);
360 }
361
vout_WindowMouseEvent(vout_thread_t * vout,const vout_window_mouse_event_t * mouse)362 void vout_WindowMouseEvent(vout_thread_t *vout,
363 const vout_window_mouse_event_t *mouse)
364 {
365 assert(mouse);
366 vout_control_cmd_t cmd;
367 vout_control_cmd_Init(&cmd, VOUT_CONTROL_WINDOW_MOUSE);
368 cmd.u.window_mouse = *mouse;
369
370 vout_control_Push(&vout->p->control, &cmd);
371 }
372
vout_PutSubpicture(vout_thread_t * vout,subpicture_t * subpic)373 void vout_PutSubpicture( vout_thread_t *vout, subpicture_t *subpic )
374 {
375 vout_control_cmd_t cmd;
376 vout_control_cmd_Init(&cmd, VOUT_CONTROL_SUBPICTURE);
377 cmd.u.subpicture = subpic;
378
379 vout_control_Push(&vout->p->control, &cmd);
380 }
vout_RegisterSubpictureChannel(vout_thread_t * vout)381 int vout_RegisterSubpictureChannel( vout_thread_t *vout )
382 {
383 int channel = VOUT_SPU_CHANNEL_AVAIL_FIRST;
384
385 vlc_mutex_lock(&vout->p->spu_lock);
386 if (vout->p->spu)
387 channel = spu_RegisterChannel(vout->p->spu);
388 vlc_mutex_unlock(&vout->p->spu_lock);
389
390 return channel;
391 }
vout_FlushSubpictureChannel(vout_thread_t * vout,int channel)392 void vout_FlushSubpictureChannel( vout_thread_t *vout, int channel )
393 {
394 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_FLUSH_SUBPICTURE,
395 channel);
396 }
397
398 /**
399 * Allocates a video output picture buffer.
400 *
401 * Either vout_PutPicture() or picture_Release() must be used to return the
402 * buffer to the video output free buffer pool.
403 *
404 * You may use picture_Hold() (paired with picture_Release()) to keep a
405 * read-only reference.
406 */
vout_GetPicture(vout_thread_t * vout)407 picture_t *vout_GetPicture(vout_thread_t *vout)
408 {
409 picture_t *picture = picture_pool_Wait(vout->p->decoder_pool);
410 if (likely(picture != NULL)) {
411 picture_Reset(picture);
412 VideoFormatCopyCropAr(&picture->format, &vout->p->original);
413 }
414 return picture;
415 }
416
417 /**
418 * It gives to the vout a picture to be displayed.
419 *
420 * The given picture MUST comes from vout_GetPicture.
421 *
422 * Becareful, after vout_PutPicture is called, picture_t::p_next cannot be
423 * read/used.
424 */
vout_PutPicture(vout_thread_t * vout,picture_t * picture)425 void vout_PutPicture(vout_thread_t *vout, picture_t *picture)
426 {
427 picture->p_next = NULL;
428 if (picture_pool_OwnsPic(vout->p->decoder_pool, picture))
429 {
430 picture_fifo_Push(vout->p->decoder_fifo, picture);
431
432 vout_control_Wake(&vout->p->control);
433 }
434 else
435 {
436 /* FIXME: HACK: Drop this picture because the vout changed. The old
437 * picture pool need to be kept by the new vout. This requires a major
438 * "vout display" API change. */
439 picture_Release(picture);
440 }
441 }
442
443 /* */
vout_GetSnapshot(vout_thread_t * vout,block_t ** image_dst,picture_t ** picture_dst,video_format_t * fmt,const char * type,mtime_t timeout)444 int vout_GetSnapshot(vout_thread_t *vout,
445 block_t **image_dst, picture_t **picture_dst,
446 video_format_t *fmt,
447 const char *type, mtime_t timeout)
448 {
449 picture_t *picture = vout_snapshot_Get(&vout->p->snapshot, timeout);
450 if (!picture) {
451 msg_Err(vout, "Failed to grab a snapshot");
452 return VLC_EGENERIC;
453 }
454
455 if (image_dst) {
456 vlc_fourcc_t codec = VLC_CODEC_PNG;
457 if (type && image_Type2Fourcc(type))
458 codec = image_Type2Fourcc(type);
459
460 const int override_width = var_InheritInteger(vout, "snapshot-width");
461 const int override_height = var_InheritInteger(vout, "snapshot-height");
462
463 if (picture_Export(VLC_OBJECT(vout), image_dst, fmt,
464 picture, codec, override_width, override_height)) {
465 msg_Err(vout, "Failed to convert image for snapshot");
466 picture_Release(picture);
467 return VLC_EGENERIC;
468 }
469 }
470 if (picture_dst)
471 *picture_dst = picture;
472 else
473 picture_Release(picture);
474 return VLC_SUCCESS;
475 }
476
vout_ChangeAspectRatio(vout_thread_t * p_vout,unsigned int i_num,unsigned int i_den)477 void vout_ChangeAspectRatio( vout_thread_t *p_vout,
478 unsigned int i_num, unsigned int i_den )
479 {
480 vout_ControlChangeSampleAspectRatio( p_vout, i_num, i_den );
481 }
482
483 /* vout_Control* are usable by anyone at anytime */
vout_ControlChangeFullscreen(vout_thread_t * vout,bool fullscreen)484 void vout_ControlChangeFullscreen(vout_thread_t *vout, bool fullscreen)
485 {
486 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_FULLSCREEN,
487 fullscreen);
488 }
vout_ControlChangeWindowState(vout_thread_t * vout,unsigned st)489 void vout_ControlChangeWindowState(vout_thread_t *vout, unsigned st)
490 {
491 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_WINDOW_STATE, st);
492 }
vout_ControlChangeDisplayFilled(vout_thread_t * vout,bool is_filled)493 void vout_ControlChangeDisplayFilled(vout_thread_t *vout, bool is_filled)
494 {
495 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_DISPLAY_FILLED,
496 is_filled);
497 }
vout_ControlChangeZoom(vout_thread_t * vout,int num,int den)498 void vout_ControlChangeZoom(vout_thread_t *vout, int num, int den)
499 {
500 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_ZOOM,
501 num, den);
502 }
vout_ControlChangeSampleAspectRatio(vout_thread_t * vout,unsigned num,unsigned den)503 void vout_ControlChangeSampleAspectRatio(vout_thread_t *vout,
504 unsigned num, unsigned den)
505 {
506 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_ASPECT_RATIO,
507 num, den);
508 }
vout_ControlChangeCropRatio(vout_thread_t * vout,unsigned num,unsigned den)509 void vout_ControlChangeCropRatio(vout_thread_t *vout,
510 unsigned num, unsigned den)
511 {
512 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_CROP_RATIO,
513 num, den);
514 }
vout_ControlChangeCropWindow(vout_thread_t * vout,int x,int y,int width,int height)515 void vout_ControlChangeCropWindow(vout_thread_t *vout,
516 int x, int y, int width, int height)
517 {
518 vout_control_cmd_t cmd;
519 vout_control_cmd_Init(&cmd, VOUT_CONTROL_CROP_WINDOW);
520 cmd.u.window.x = __MAX(x, 0);
521 cmd.u.window.y = __MAX(y, 0);
522 cmd.u.window.width = __MAX(width, 0);
523 cmd.u.window.height = __MAX(height, 0);
524
525 vout_control_Push(&vout->p->control, &cmd);
526 }
vout_ControlChangeCropBorder(vout_thread_t * vout,int left,int top,int right,int bottom)527 void vout_ControlChangeCropBorder(vout_thread_t *vout,
528 int left, int top, int right, int bottom)
529 {
530 vout_control_cmd_t cmd;
531 vout_control_cmd_Init(&cmd, VOUT_CONTROL_CROP_BORDER);
532 cmd.u.border.left = __MAX(left, 0);
533 cmd.u.border.top = __MAX(top, 0);
534 cmd.u.border.right = __MAX(right, 0);
535 cmd.u.border.bottom = __MAX(bottom, 0);
536
537 vout_control_Push(&vout->p->control, &cmd);
538 }
vout_ControlChangeFilters(vout_thread_t * vout,const char * filters)539 void vout_ControlChangeFilters(vout_thread_t *vout, const char *filters)
540 {
541 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_FILTERS,
542 filters);
543 }
vout_ControlChangeSubSources(vout_thread_t * vout,const char * filters)544 void vout_ControlChangeSubSources(vout_thread_t *vout, const char *filters)
545 {
546 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_SOURCES,
547 filters);
548 }
vout_ControlChangeSubFilters(vout_thread_t * vout,const char * filters)549 void vout_ControlChangeSubFilters(vout_thread_t *vout, const char *filters)
550 {
551 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_FILTERS,
552 filters);
553 }
vout_ControlChangeSubMargin(vout_thread_t * vout,int margin)554 void vout_ControlChangeSubMargin(vout_thread_t *vout, int margin)
555 {
556 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_MARGIN,
557 margin);
558 }
559
vout_ControlChangeViewpoint(vout_thread_t * vout,const vlc_viewpoint_t * p_viewpoint)560 void vout_ControlChangeViewpoint(vout_thread_t *vout,
561 const vlc_viewpoint_t *p_viewpoint)
562 {
563 vout_control_cmd_t cmd;
564 vout_control_cmd_Init(&cmd, VOUT_CONTROL_VIEWPOINT);
565 cmd.u.viewpoint = *p_viewpoint;
566 vout_control_Push(&vout->p->control, &cmd);
567 }
568
569 /* */
VoutGetDisplayCfg(vout_thread_t * vout,vout_display_cfg_t * cfg,const char * title)570 static void VoutGetDisplayCfg(vout_thread_t *vout, vout_display_cfg_t *cfg, const char *title)
571 {
572 /* Load configuration */
573 #if defined(_WIN32) || defined(__OS2__)
574 cfg->is_fullscreen = var_GetBool(vout, "fullscreen")
575 || var_GetBool(vout, "video-wallpaper");
576 #endif
577 cfg->viewpoint = vout->p->original.pose;
578
579 cfg->display.title = title;
580 const int display_width = var_GetInteger(vout, "width");
581 const int display_height = var_GetInteger(vout, "height");
582 cfg->display.width = display_width > 0 ? display_width : 0;
583 cfg->display.height = display_height > 0 ? display_height : 0;
584 cfg->is_display_filled = var_GetBool(vout, "autoscale");
585 unsigned msar_num, msar_den;
586 if (var_InheritURational(vout, &msar_num, &msar_den, "monitor-par") ||
587 msar_num <= 0 || msar_den <= 0) {
588 msar_num = 1;
589 msar_den = 1;
590 }
591 cfg->display.sar.num = msar_num;
592 cfg->display.sar.den = msar_den;
593 unsigned zoom_den = 1000;
594 unsigned zoom_num = zoom_den * var_GetFloat(vout, "zoom");
595 vlc_ureduce(&zoom_num, &zoom_den, zoom_num, zoom_den, 0);
596 cfg->zoom.num = zoom_num;
597 cfg->zoom.den = zoom_den;
598 cfg->align.vertical = VOUT_DISPLAY_ALIGN_CENTER;
599 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_CENTER;
600 const int align_mask = var_GetInteger(vout, "align");
601 if (align_mask & 0x1)
602 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_LEFT;
603 else if (align_mask & 0x2)
604 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_RIGHT;
605 if (align_mask & 0x4)
606 cfg->align.vertical = VOUT_DISPLAY_ALIGN_TOP;
607 else if (align_mask & 0x8)
608 cfg->align.vertical = VOUT_DISPLAY_ALIGN_BOTTOM;
609 }
610
vout_NewDisplayWindow(vout_thread_t * vout,unsigned type)611 vout_window_t *vout_NewDisplayWindow(vout_thread_t *vout, unsigned type)
612 {
613 vout_window_t *window = vout->p->window;
614
615 assert(vout->p->splitter_name == NULL);
616
617 if (window == NULL)
618 return NULL;
619 if (type != VOUT_WINDOW_TYPE_INVALID && type != window->type)
620 return NULL;
621 return window;
622 }
623
vout_DeleteDisplayWindow(vout_thread_t * vout,vout_window_t * window)624 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_window_t *window)
625 {
626 if (window == NULL && vout->p->window != NULL) {
627 vout_display_window_Delete(vout->p->window);
628 vout->p->window = NULL;
629 }
630 assert(vout->p->window == window);
631 }
632
vout_SetDisplayWindowSize(vout_thread_t * vout,unsigned width,unsigned height)633 void vout_SetDisplayWindowSize(vout_thread_t *vout,
634 unsigned width, unsigned height)
635 {
636 vout_window_t *window = vout->p->window;
637
638 if (window != NULL)
639 /* Request a resize of the window. If it fails, there is nothing to do.
640 * If it succeeds, the window will emit a resize event later. */
641 vout_window_SetSize(window, width, height);
642 else
643 if (vout->p->display.vd != NULL)
644 /* Force a resize of window-less display. This is not allowed to fail,
645 * although the display is allowed to ignore the size anyway. */
646 /* FIXME: remove this, fix MSW and OS/2 window providers */
647 vout_display_SendEventDisplaySize(vout->p->display.vd, width, height);
648 }
649
vout_HideWindowMouse(vout_thread_t * vout,bool hide)650 int vout_HideWindowMouse(vout_thread_t *vout, bool hide)
651 {
652 vout_window_t *window = vout->p->window;
653
654 return window != NULL ? vout_window_HideMouse(window, hide) : VLC_EGENERIC;
655 }
656
657 /* */
FilterRestartCallback(vlc_object_t * p_this,char const * psz_var,vlc_value_t oldval,vlc_value_t newval,void * p_data)658 static int FilterRestartCallback(vlc_object_t *p_this, char const *psz_var,
659 vlc_value_t oldval, vlc_value_t newval,
660 void *p_data)
661 {
662 (void) p_this; (void) psz_var; (void) oldval; (void) newval;
663 vout_ControlChangeFilters((vout_thread_t *)p_data, NULL);
664 return 0;
665 }
666
ThreadDelFilterCallbacks(filter_t * filter,void * opaque)667 static int ThreadDelFilterCallbacks(filter_t *filter, void *opaque)
668 {
669 filter_DelProxyCallbacks((vlc_object_t *)opaque, filter,
670 FilterRestartCallback);
671 return VLC_SUCCESS;
672 }
673
ThreadDelAllFilterCallbacks(vout_thread_t * vout)674 static void ThreadDelAllFilterCallbacks(vout_thread_t *vout)
675 {
676 assert(vout->p->filter.chain_interactive != NULL);
677 filter_chain_ForEach(vout->p->filter.chain_interactive,
678 ThreadDelFilterCallbacks, vout);
679 }
680
VoutVideoFilterInteractiveNewPicture(filter_t * filter)681 static picture_t *VoutVideoFilterInteractiveNewPicture(filter_t *filter)
682 {
683 vout_thread_t *vout = filter->owner.sys;
684
685 picture_t *picture = picture_pool_Get(vout->p->private_pool);
686 if (picture) {
687 picture_Reset(picture);
688 VideoFormatCopyCropAr(&picture->format, &filter->fmt_out.video);
689 }
690 return picture;
691 }
692
VoutVideoFilterStaticNewPicture(filter_t * filter)693 static picture_t *VoutVideoFilterStaticNewPicture(filter_t *filter)
694 {
695 vout_thread_t *vout = filter->owner.sys;
696
697 vlc_assert_locked(&vout->p->filter.lock);
698 if (filter_chain_IsEmpty(vout->p->filter.chain_interactive))
699 return VoutVideoFilterInteractiveNewPicture(filter);
700
701 return picture_NewFromFormat(&filter->fmt_out.video);
702 }
703
ThreadFilterFlush(vout_thread_t * vout,bool is_locked)704 static void ThreadFilterFlush(vout_thread_t *vout, bool is_locked)
705 {
706 if (vout->p->displayed.current)
707 picture_Release( vout->p->displayed.current );
708 vout->p->displayed.current = NULL;
709
710 if (vout->p->displayed.next)
711 picture_Release( vout->p->displayed.next );
712 vout->p->displayed.next = NULL;
713
714 if (!is_locked)
715 vlc_mutex_lock(&vout->p->filter.lock);
716 filter_chain_VideoFlush(vout->p->filter.chain_static);
717 filter_chain_VideoFlush(vout->p->filter.chain_interactive);
718 if (!is_locked)
719 vlc_mutex_unlock(&vout->p->filter.lock);
720 }
721
722 typedef struct {
723 char *name;
724 config_chain_t *cfg;
725 } vout_filter_t;
726
ThreadChangeFilters(vout_thread_t * vout,const video_format_t * source,const char * filters,int deinterlace,bool is_locked)727 static void ThreadChangeFilters(vout_thread_t *vout,
728 const video_format_t *source,
729 const char *filters,
730 int deinterlace,
731 bool is_locked)
732 {
733 ThreadFilterFlush(vout, is_locked);
734 ThreadDelAllFilterCallbacks(vout);
735
736 vlc_array_t array_static;
737 vlc_array_t array_interactive;
738
739 vlc_array_init(&array_static);
740 vlc_array_init(&array_interactive);
741
742 if ((vout->p->filter.has_deint =
743 deinterlace == 1 || (deinterlace == -1 && vout->p->filter.has_deint)))
744 {
745 vout_filter_t *e = malloc(sizeof(*e));
746
747 if (likely(e))
748 {
749 free(config_ChainCreate(&e->name, &e->cfg, "deinterlace"));
750 vlc_array_append_or_abort(&array_static, e);
751 }
752 }
753
754 char *current = filters ? strdup(filters) : NULL;
755 while (current) {
756 config_chain_t *cfg;
757 char *name;
758 char *next = config_ChainCreate(&name, &cfg, current);
759
760 if (name && *name) {
761 vout_filter_t *e = malloc(sizeof(*e));
762
763 if (likely(e)) {
764 e->name = name;
765 e->cfg = cfg;
766 if (!strcmp(e->name, "postproc"))
767 vlc_array_append_or_abort(&array_static, e);
768 else
769 vlc_array_append_or_abort(&array_interactive, e);
770 }
771 else {
772 if (cfg)
773 config_ChainDestroy(cfg);
774 free(name);
775 }
776 } else {
777 if (cfg)
778 config_ChainDestroy(cfg);
779 free(name);
780 }
781 free(current);
782 current = next;
783 }
784
785 if (!is_locked)
786 vlc_mutex_lock(&vout->p->filter.lock);
787
788 es_format_t fmt_target;
789 es_format_InitFromVideo(&fmt_target, source ? source : &vout->p->filter.format);
790
791 const es_format_t *p_fmt_current = &fmt_target;
792
793 for (int a = 0; a < 2; a++) {
794 vlc_array_t *array = a == 0 ? &array_static :
795 &array_interactive;
796 filter_chain_t *chain = a == 0 ? vout->p->filter.chain_static :
797 vout->p->filter.chain_interactive;
798
799 filter_chain_Reset(chain, p_fmt_current, p_fmt_current);
800 for (size_t i = 0; i < vlc_array_count(array); i++) {
801 vout_filter_t *e = vlc_array_item_at_index(array, i);
802 msg_Dbg(vout, "Adding '%s' as %s", e->name, a == 0 ? "static" : "interactive");
803 filter_t *filter = filter_chain_AppendFilter(chain, e->name, e->cfg,
804 NULL, NULL);
805 if (!filter)
806 {
807 msg_Err(vout, "Failed to add filter '%s'", e->name);
808 config_ChainDestroy(e->cfg);
809 }
810 else if (a == 1) /* Add callbacks for interactive filters */
811 filter_AddProxyCallbacks(vout, filter, FilterRestartCallback);
812
813 free(e->name);
814 free(e);
815 }
816 p_fmt_current = filter_chain_GetFmtOut(chain);
817 vlc_array_clear(array);
818 }
819
820 if (!es_format_IsSimilar(p_fmt_current, &fmt_target)) {
821 msg_Dbg(vout, "Adding a filter to compensate for format changes");
822 if (filter_chain_AppendConverter(vout->p->filter.chain_interactive,
823 p_fmt_current, &fmt_target) != 0) {
824 msg_Err(vout, "Failed to compensate for the format changes, removing all filters");
825 ThreadDelAllFilterCallbacks(vout);
826 filter_chain_Reset(vout->p->filter.chain_static, &fmt_target, &fmt_target);
827 filter_chain_Reset(vout->p->filter.chain_interactive, &fmt_target, &fmt_target);
828 }
829 }
830
831 es_format_Clean(&fmt_target);
832
833 if (vout->p->filter.configuration != filters) {
834 free(vout->p->filter.configuration);
835 vout->p->filter.configuration = filters ? strdup(filters) : NULL;
836 }
837 if (source) {
838 video_format_Clean(&vout->p->filter.format);
839 video_format_Copy(&vout->p->filter.format, source);
840 }
841
842 if (!is_locked)
843 vlc_mutex_unlock(&vout->p->filter.lock);
844 }
845
846
847 /* */
ThreadDisplayPreparePicture(vout_thread_t * vout,bool reuse,bool frame_by_frame)848 static int ThreadDisplayPreparePicture(vout_thread_t *vout, bool reuse, bool frame_by_frame)
849 {
850 bool is_late_dropped = vout->p->is_late_dropped && !vout->p->pause.is_on && !frame_by_frame;
851
852 vlc_mutex_lock(&vout->p->filter.lock);
853
854 picture_t *picture = filter_chain_VideoFilter(vout->p->filter.chain_static, NULL);
855 assert(!reuse || !picture);
856
857 while (!picture) {
858 picture_t *decoded;
859 if (reuse && vout->p->displayed.decoded) {
860 decoded = picture_Hold(vout->p->displayed.decoded);
861 } else {
862 decoded = picture_fifo_Pop(vout->p->decoder_fifo);
863 if (decoded) {
864 if (is_late_dropped && !decoded->b_force) {
865 mtime_t late_threshold;
866 if (decoded->format.i_frame_rate && decoded->format.i_frame_rate_base)
867 late_threshold = ((CLOCK_FREQ/2) * decoded->format.i_frame_rate_base) / decoded->format.i_frame_rate;
868 else
869 late_threshold = VOUT_DISPLAY_LATE_THRESHOLD;
870 const mtime_t predicted = mdate() + 0; /* TODO improve */
871 const mtime_t late = predicted - decoded->date;
872 if (late > late_threshold) {
873 msg_Warn(vout, "picture is too late to be displayed (missing %"PRId64" ms)", late/1000);
874 picture_Release(decoded);
875 vout_statistic_AddLost(&vout->p->statistic, 1);
876 continue;
877 } else if (late > 0) {
878 msg_Dbg(vout, "picture might be displayed late (missing %"PRId64" ms)", late/1000);
879 }
880 }
881 if (!VideoFormatIsCropArEqual(&decoded->format, &vout->p->filter.format))
882 ThreadChangeFilters(vout, &decoded->format, vout->p->filter.configuration, -1, true);
883 }
884 }
885
886 if (!decoded)
887 break;
888 reuse = false;
889
890 if (vout->p->displayed.decoded)
891 picture_Release(vout->p->displayed.decoded);
892
893 vout->p->displayed.decoded = picture_Hold(decoded);
894 vout->p->displayed.timestamp = decoded->date;
895 vout->p->displayed.is_interlaced = !decoded->b_progressive;
896
897 picture = filter_chain_VideoFilter(vout->p->filter.chain_static, decoded);
898 }
899
900 vlc_mutex_unlock(&vout->p->filter.lock);
901
902 if (!picture)
903 return VLC_EGENERIC;
904
905 assert(!vout->p->displayed.next);
906 if (!vout->p->displayed.current)
907 vout->p->displayed.current = picture;
908 else
909 vout->p->displayed.next = picture;
910 return VLC_SUCCESS;
911 }
912
ConvertRGB32AndBlendBufferNew(filter_t * filter)913 static picture_t *ConvertRGB32AndBlendBufferNew(filter_t *filter)
914 {
915 return picture_NewFromFormat(&filter->fmt_out.video);
916 }
917
ConvertRGB32AndBlend(vout_thread_t * vout,picture_t * pic,subpicture_t * subpic)918 static picture_t *ConvertRGB32AndBlend(vout_thread_t *vout, picture_t *pic,
919 subpicture_t *subpic)
920 {
921 /* This function will convert the pic to RGB32 and blend the subpic to it.
922 * The returned pic can't be used to display since the chroma will be
923 * different than the "vout display" one, but it can be used for snapshots.
924 * */
925
926 assert(vout->p->spu_blend);
927
928 filter_owner_t owner = {
929 .video = {
930 .buffer_new = ConvertRGB32AndBlendBufferNew,
931 },
932 };
933 filter_chain_t *filterc = filter_chain_NewVideo(vout, false, &owner);
934 if (!filterc)
935 return NULL;
936
937 es_format_t src = vout->p->spu_blend->fmt_out;
938 es_format_t dst = src;
939 dst.video.i_chroma = VLC_CODEC_RGB32;
940 video_format_FixRgb(&dst.video);
941
942 if (filter_chain_AppendConverter(filterc, &src, &dst) != 0)
943 {
944 filter_chain_Delete(filterc);
945 return NULL;
946 }
947
948 picture_Hold(pic);
949 pic = filter_chain_VideoFilter(filterc, pic);
950 filter_chain_Delete(filterc);
951
952 if (pic)
953 {
954 filter_t *swblend = filter_NewBlend(VLC_OBJECT(vout), &dst.video);
955 if (swblend)
956 {
957 bool success = picture_BlendSubpicture(pic, swblend, subpic) > 0;
958 filter_DeleteBlend(swblend);
959 if (success)
960 return pic;
961 }
962 picture_Release(pic);
963 }
964 return NULL;
965 }
966
ThreadDisplayRenderPicture(vout_thread_t * vout,bool is_forced)967 static int ThreadDisplayRenderPicture(vout_thread_t *vout, bool is_forced)
968 {
969 vout_thread_sys_t *sys = vout->p;
970 vout_display_t *vd = vout->p->display.vd;
971
972 picture_t *torender = picture_Hold(vout->p->displayed.current);
973
974 vout_chrono_Start(&vout->p->render);
975
976 vlc_mutex_lock(&vout->p->filter.lock);
977 picture_t *filtered = filter_chain_VideoFilter(vout->p->filter.chain_interactive, torender);
978 vlc_mutex_unlock(&vout->p->filter.lock);
979
980 if (!filtered)
981 return VLC_EGENERIC;
982
983 if (filtered->date != vout->p->displayed.current->date)
984 msg_Warn(vout, "Unsupported timestamp modifications done by chain_interactive");
985
986 /*
987 * Get the subpicture to be displayed
988 */
989 const bool do_snapshot = vout_snapshot_IsRequested(&vout->p->snapshot);
990 mtime_t render_subtitle_date;
991 if (vout->p->pause.is_on)
992 render_subtitle_date = vout->p->pause.date;
993 else
994 render_subtitle_date = filtered->date > 1 ? filtered->date : mdate();
995 mtime_t render_osd_date = mdate(); /* FIXME wrong */
996
997 /*
998 * Get the subpicture to be displayed
999 */
1000 const bool do_dr_spu = !do_snapshot &&
1001 vd->info.subpicture_chromas &&
1002 *vd->info.subpicture_chromas != 0;
1003
1004 //FIXME: Denying do_early_spu if vd->source.orientation != ORIENT_NORMAL
1005 //will have the effect that snapshots miss the subpictures. We do this
1006 //because there is currently no way to transform subpictures to match
1007 //the source format.
1008 const bool do_early_spu = !do_dr_spu &&
1009 vd->source.orientation == ORIENT_NORMAL &&
1010 (vd->info.is_slow ||
1011 sys->display.use_dr ||
1012 do_snapshot ||
1013 vd->fmt.i_width * vd->fmt.i_height <= vd->source.i_width * vd->source.i_height);
1014
1015 const vlc_fourcc_t *subpicture_chromas;
1016 video_format_t fmt_spu;
1017 if (do_dr_spu) {
1018 vout_display_place_t place;
1019 vout_display_PlacePicture(&place, &vd->source, vd->cfg, false);
1020
1021 fmt_spu = vd->source;
1022 if (fmt_spu.i_width * fmt_spu.i_height < place.width * place.height) {
1023 fmt_spu.i_sar_num = vd->cfg->display.sar.num;
1024 fmt_spu.i_sar_den = vd->cfg->display.sar.den;
1025 fmt_spu.i_width =
1026 fmt_spu.i_visible_width = place.width;
1027 fmt_spu.i_height =
1028 fmt_spu.i_visible_height = place.height;
1029 }
1030 subpicture_chromas = vd->info.subpicture_chromas;
1031 } else {
1032 if (do_early_spu) {
1033 fmt_spu = vd->source;
1034 } else {
1035 fmt_spu = vd->fmt;
1036 fmt_spu.i_sar_num = vd->cfg->display.sar.num;
1037 fmt_spu.i_sar_den = vd->cfg->display.sar.den;
1038 }
1039 subpicture_chromas = NULL;
1040
1041 if (vout->p->spu_blend &&
1042 vout->p->spu_blend->fmt_out.video.i_chroma != fmt_spu.i_chroma) {
1043 filter_DeleteBlend(vout->p->spu_blend);
1044 vout->p->spu_blend = NULL;
1045 vout->p->spu_blend_chroma = 0;
1046 }
1047 if (!vout->p->spu_blend && vout->p->spu_blend_chroma != fmt_spu.i_chroma) {
1048 vout->p->spu_blend_chroma = fmt_spu.i_chroma;
1049 vout->p->spu_blend = filter_NewBlend(VLC_OBJECT(vout), &fmt_spu);
1050 if (!vout->p->spu_blend)
1051 msg_Err(vout, "Failed to create blending filter, OSD/Subtitles will not work");
1052 }
1053 }
1054
1055 video_format_t fmt_spu_rot;
1056 video_format_ApplyRotation(&fmt_spu_rot, &fmt_spu);
1057 subpicture_t *subpic = spu_Render(vout->p->spu,
1058 subpicture_chromas, &fmt_spu_rot,
1059 &vd->source,
1060 render_subtitle_date, render_osd_date,
1061 do_snapshot);
1062 /*
1063 * Perform rendering
1064 *
1065 * We have to:
1066 * - be sure to end up with a direct buffer.
1067 * - blend subtitles, and in a fast access buffer
1068 */
1069 bool is_direct = vout->p->decoder_pool == vout->p->display_pool;
1070 picture_t *todisplay = filtered;
1071 picture_t *snap_pic = todisplay;
1072 if (do_early_spu && subpic) {
1073 if (vout->p->spu_blend) {
1074 picture_t *blent = picture_pool_Get(vout->p->private_pool);
1075 if (blent) {
1076 VideoFormatCopyCropAr(&blent->format, &filtered->format);
1077 picture_Copy(blent, filtered);
1078 if (picture_BlendSubpicture(blent, vout->p->spu_blend, subpic)) {
1079 picture_Release(todisplay);
1080 snap_pic = todisplay = blent;
1081 } else
1082 {
1083 /* Blending failed, likely because the picture is opaque or
1084 * read-only. Try to convert the opaque picture to a
1085 * software RGB32 one before blending it. */
1086 if (do_snapshot)
1087 {
1088 picture_t *copy = ConvertRGB32AndBlend(vout, blent, subpic);
1089 if (copy)
1090 snap_pic = copy;
1091 }
1092 picture_Release(blent);
1093 }
1094 }
1095 }
1096 subpicture_Delete(subpic);
1097 subpic = NULL;
1098 }
1099
1100 assert(vout_IsDisplayFiltered(vd) == !sys->display.use_dr);
1101 if (sys->display.use_dr && !is_direct) {
1102 picture_t *direct = NULL;
1103 if (likely(vout->p->display_pool != NULL))
1104 direct = picture_pool_Get(vout->p->display_pool);
1105 if (!direct) {
1106 picture_Release(todisplay);
1107 if (subpic)
1108 subpicture_Delete(subpic);
1109 return VLC_EGENERIC;
1110 }
1111
1112 /* The display uses direct rendering (no conversion), but its pool of
1113 * pictures is not usable by the decoder (too few, too slow or
1114 * subject to invalidation...). Since there are no filters, copying
1115 * pictures from the decoder to the output is unavoidable. */
1116 VideoFormatCopyCropAr(&direct->format, &todisplay->format);
1117 picture_Copy(direct, todisplay);
1118 picture_Release(todisplay);
1119 snap_pic = todisplay = direct;
1120 }
1121
1122 /*
1123 * Take a snapshot if requested
1124 */
1125 if (do_snapshot)
1126 {
1127 assert(snap_pic);
1128 vout_snapshot_Set(&vout->p->snapshot, &vd->source, snap_pic);
1129 if (snap_pic != todisplay)
1130 picture_Release(snap_pic);
1131 }
1132
1133 /* Render the direct buffer */
1134 vout_UpdateDisplaySourceProperties(vd, &todisplay->format);
1135
1136 todisplay = vout_FilterDisplay(vd, todisplay);
1137 if (todisplay == NULL) {
1138 if (subpic != NULL)
1139 subpicture_Delete(subpic);
1140 return VLC_EGENERIC;
1141 }
1142
1143 if (sys->display.use_dr) {
1144 vout_display_Prepare(vd, todisplay, subpic);
1145 } else {
1146 if (!do_dr_spu && !do_early_spu && vout->p->spu_blend && subpic)
1147 picture_BlendSubpicture(todisplay, vout->p->spu_blend, subpic);
1148 vout_display_Prepare(vd, todisplay, do_dr_spu ? subpic : NULL);
1149
1150 if (!do_dr_spu && subpic)
1151 {
1152 subpicture_Delete(subpic);
1153 subpic = NULL;
1154 }
1155 }
1156
1157 vout_chrono_Stop(&vout->p->render);
1158 #if 0
1159 {
1160 static int i = 0;
1161 if (((i++)%10) == 0)
1162 msg_Info(vout, "render: avg %d ms var %d ms",
1163 (int)(vout->p->render.avg/1000), (int)(vout->p->render.var/1000));
1164 }
1165 #endif
1166
1167 /* Wait the real date (for rendering jitter) */
1168 #if 0
1169 mtime_t delay = todisplay->date - mdate();
1170 if (delay < 1000)
1171 msg_Warn(vout, "picture is late (%lld ms)", delay / 1000);
1172 #endif
1173 if (!is_forced)
1174 mwait(todisplay->date);
1175
1176 /* Display the direct buffer returned by vout_RenderPicture */
1177 vout->p->displayed.date = mdate();
1178 vout_display_Display(vd, todisplay, subpic);
1179
1180 vout_statistic_AddDisplayed(&vout->p->statistic, 1);
1181
1182 return VLC_SUCCESS;
1183 }
1184
ThreadDisplayPicture(vout_thread_t * vout,mtime_t * deadline)1185 static int ThreadDisplayPicture(vout_thread_t *vout, mtime_t *deadline)
1186 {
1187 bool frame_by_frame = !deadline;
1188 bool paused = vout->p->pause.is_on;
1189 bool first = !vout->p->displayed.current;
1190
1191 if (first)
1192 if (ThreadDisplayPreparePicture(vout, true, frame_by_frame)) /* FIXME not sure it is ok */
1193 return VLC_EGENERIC;
1194
1195 if (!paused || frame_by_frame)
1196 while (!vout->p->displayed.next && !ThreadDisplayPreparePicture(vout, false, frame_by_frame))
1197 ;
1198
1199 const mtime_t date = mdate();
1200 const mtime_t render_delay = vout_chrono_GetHigh(&vout->p->render) + VOUT_MWAIT_TOLERANCE;
1201
1202 bool drop_next_frame = frame_by_frame;
1203 mtime_t date_next = VLC_TS_INVALID;
1204 if (!paused && vout->p->displayed.next) {
1205 date_next = vout->p->displayed.next->date - render_delay;
1206 if (date_next /* + 0 FIXME */ <= date)
1207 drop_next_frame = true;
1208 }
1209
1210 /* FIXME/XXX we must redisplay the last decoded picture (because
1211 * of potential vout updated, or filters update or SPU update)
1212 * For now a high update period is needed but it could be removed
1213 * if and only if:
1214 * - vout module emits events from theselves.
1215 * - *and* SPU is modified to emit an event or a deadline when needed.
1216 *
1217 * So it will be done later.
1218 */
1219 bool refresh = false;
1220
1221 mtime_t date_refresh = VLC_TS_INVALID;
1222 if (vout->p->displayed.date > VLC_TS_INVALID) {
1223 date_refresh = vout->p->displayed.date + VOUT_REDISPLAY_DELAY - render_delay;
1224 refresh = date_refresh <= date;
1225 }
1226 bool force_refresh = !drop_next_frame && refresh;
1227
1228 if (!frame_by_frame) {
1229 if (date_refresh != VLC_TS_INVALID)
1230 *deadline = date_refresh;
1231 if (date_next != VLC_TS_INVALID && date_next < *deadline)
1232 *deadline = date_next;
1233 }
1234
1235 if (!first && !refresh && !drop_next_frame) {
1236 return VLC_EGENERIC;
1237 }
1238
1239 if (drop_next_frame) {
1240 picture_Release(vout->p->displayed.current);
1241 vout->p->displayed.current = vout->p->displayed.next;
1242 vout->p->displayed.next = NULL;
1243 }
1244
1245 if (!vout->p->displayed.current)
1246 return VLC_EGENERIC;
1247
1248 /* display the picture immediately */
1249 bool is_forced = frame_by_frame || force_refresh || vout->p->displayed.current->b_force;
1250 int ret = ThreadDisplayRenderPicture(vout, is_forced);
1251 return force_refresh ? VLC_EGENERIC : ret;
1252 }
1253
ThreadDisplaySubpicture(vout_thread_t * vout,subpicture_t * subpicture)1254 static void ThreadDisplaySubpicture(vout_thread_t *vout,
1255 subpicture_t *subpicture)
1256 {
1257 spu_PutSubpicture(vout->p->spu, subpicture);
1258 }
1259
ThreadFlushSubpicture(vout_thread_t * vout,int channel)1260 static void ThreadFlushSubpicture(vout_thread_t *vout, int channel)
1261 {
1262 spu_ClearChannel(vout->p->spu, channel);
1263 }
1264
ThreadDisplayOsdTitle(vout_thread_t * vout,const char * string)1265 static void ThreadDisplayOsdTitle(vout_thread_t *vout, const char *string)
1266 {
1267 if (!vout->p->title.show)
1268 return;
1269
1270 vout_OSDText(vout, VOUT_SPU_CHANNEL_OSD,
1271 vout->p->title.position, INT64_C(1000) * vout->p->title.timeout,
1272 string);
1273 }
1274
ThreadChangeSubSources(vout_thread_t * vout,const char * filters)1275 static void ThreadChangeSubSources(vout_thread_t *vout, const char *filters)
1276 {
1277 spu_ChangeSources(vout->p->spu, filters);
1278 }
1279
ThreadChangeSubFilters(vout_thread_t * vout,const char * filters)1280 static void ThreadChangeSubFilters(vout_thread_t *vout, const char *filters)
1281 {
1282 spu_ChangeFilters(vout->p->spu, filters);
1283 }
1284
ThreadChangeSubMargin(vout_thread_t * vout,int margin)1285 static void ThreadChangeSubMargin(vout_thread_t *vout, int margin)
1286 {
1287 spu_ChangeMargin(vout->p->spu, margin);
1288 }
1289
ThreadChangePause(vout_thread_t * vout,bool is_paused,mtime_t date)1290 static void ThreadChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
1291 {
1292 assert(!vout->p->pause.is_on || !is_paused);
1293
1294 if (vout->p->pause.is_on) {
1295 const mtime_t duration = date - vout->p->pause.date;
1296
1297 if (vout->p->step.timestamp > VLC_TS_INVALID)
1298 vout->p->step.timestamp += duration;
1299 if (vout->p->step.last > VLC_TS_INVALID)
1300 vout->p->step.last += duration;
1301 picture_fifo_OffsetDate(vout->p->decoder_fifo, duration);
1302 if (vout->p->displayed.decoded)
1303 vout->p->displayed.decoded->date += duration;
1304 spu_OffsetSubtitleDate(vout->p->spu, duration);
1305
1306 ThreadFilterFlush(vout, false);
1307 } else {
1308 vout->p->step.timestamp = VLC_TS_INVALID;
1309 vout->p->step.last = VLC_TS_INVALID;
1310 }
1311 vout->p->pause.is_on = is_paused;
1312 vout->p->pause.date = date;
1313
1314 vout_window_t *window = vout->p->window;
1315 if (window != NULL)
1316 vout_window_SetInhibition(window, !is_paused);
1317 }
1318
ThreadFlush(vout_thread_t * vout,bool below,mtime_t date)1319 static void ThreadFlush(vout_thread_t *vout, bool below, mtime_t date)
1320 {
1321 vout->p->step.timestamp = VLC_TS_INVALID;
1322 vout->p->step.last = VLC_TS_INVALID;
1323
1324 ThreadFilterFlush(vout, false); /* FIXME too much */
1325
1326 picture_t *last = vout->p->displayed.decoded;
1327 if (last) {
1328 if (( below && last->date <= date) ||
1329 (!below && last->date >= date)) {
1330 picture_Release(last);
1331
1332 vout->p->displayed.decoded = NULL;
1333 vout->p->displayed.date = VLC_TS_INVALID;
1334 vout->p->displayed.timestamp = VLC_TS_INVALID;
1335 }
1336 }
1337
1338 picture_fifo_Flush(vout->p->decoder_fifo, date, below);
1339 vout_FilterFlush(vout->p->display.vd);
1340 }
1341
ThreadStep(vout_thread_t * vout,mtime_t * duration)1342 static void ThreadStep(vout_thread_t *vout, mtime_t *duration)
1343 {
1344 *duration = 0;
1345
1346 if (vout->p->step.last <= VLC_TS_INVALID)
1347 vout->p->step.last = vout->p->displayed.timestamp;
1348
1349 if (ThreadDisplayPicture(vout, NULL))
1350 return;
1351
1352 vout->p->step.timestamp = vout->p->displayed.timestamp;
1353
1354 if (vout->p->step.last > VLC_TS_INVALID &&
1355 vout->p->step.timestamp > vout->p->step.last) {
1356 *duration = vout->p->step.timestamp - vout->p->step.last;
1357 vout->p->step.last = vout->p->step.timestamp;
1358 /* TODO advance subpicture by the duration ... */
1359 }
1360 }
1361
ThreadChangeFullscreen(vout_thread_t * vout,bool fullscreen)1362 static void ThreadChangeFullscreen(vout_thread_t *vout, bool fullscreen)
1363 {
1364 vout_window_t *window = vout->p->window;
1365
1366 #if !defined(_WIN32) && !defined(__OS2__)
1367 if (window != NULL)
1368 vout_window_SetFullScreen(window, fullscreen);
1369 #else
1370 bool window_fullscreen = false;
1371 if (window != NULL
1372 && vout_window_SetFullScreen(window, fullscreen) == VLC_SUCCESS)
1373 window_fullscreen = true;
1374 /* FIXME: remove this event */
1375 if (vout->p->display.vd != NULL)
1376 vout_display_SendEventFullscreen(vout->p->display.vd, fullscreen, window_fullscreen);
1377 #endif
1378 }
1379
ThreadChangeWindowState(vout_thread_t * vout,unsigned state)1380 static void ThreadChangeWindowState(vout_thread_t *vout, unsigned state)
1381 {
1382 vout_window_t *window = vout->p->window;
1383
1384 if (window != NULL)
1385 vout_window_SetState(window, state);
1386 #if defined(_WIN32) || defined(__OS2__)
1387 else /* FIXME: remove this event */
1388 if (vout->p->display.vd != NULL)
1389 vout_display_SendWindowState(vout->p->display.vd, state);
1390 #endif
1391 }
1392
ThreadChangeWindowMouse(vout_thread_t * vout,const vout_window_mouse_event_t * mouse)1393 static void ThreadChangeWindowMouse(vout_thread_t *vout,
1394 const vout_window_mouse_event_t *mouse)
1395 {
1396 vout_display_t *vd = vout->p->display.vd;
1397 switch (mouse->type)
1398 {
1399 case VOUT_WINDOW_MOUSE_STATE:
1400 case VOUT_WINDOW_MOUSE_MOVED:
1401 {
1402 vout_display_place_t place;
1403 vout_display_PlacePicture(&place, &vd->source, vd->cfg, false);
1404
1405 if (place.width <= 0 || place.height <= 0)
1406 return;
1407
1408 const int x = vd->source.i_x_offset +
1409 (int64_t)(mouse->x - place.x) *
1410 vd->source.i_visible_width / place.width;
1411 const int y = vd->source.i_y_offset +
1412 (int64_t)(mouse->y - place.y) *
1413 vd->source.i_visible_height/ place.height;
1414
1415 if (mouse->type == VOUT_WINDOW_MOUSE_STATE)
1416 vout_display_SendEventMouseState(vd, x, y, mouse->button_mask);
1417 else
1418 vout_display_SendEventMouseMoved(vd, x, y);
1419 break;
1420 }
1421 case VOUT_WINDOW_MOUSE_PRESSED:
1422 vout_display_SendEventMousePressed(vd, mouse->button_mask);
1423 break;
1424 case VOUT_WINDOW_MOUSE_RELEASED:
1425 vout_display_SendEventMouseReleased(vd, mouse->button_mask);
1426 break;
1427 case VOUT_WINDOW_MOUSE_DOUBLE_CLICK:
1428 if (mouse->button_mask == 0)
1429 vout_display_SendEventMouseDoubleClick(vd);
1430 break;
1431 default: vlc_assert_unreachable();
1432 break;
1433 }
1434 }
1435
ThreadChangeDisplayFilled(vout_thread_t * vout,bool is_filled)1436 static void ThreadChangeDisplayFilled(vout_thread_t *vout, bool is_filled)
1437 {
1438 vout_SetDisplayFilled(vout->p->display.vd, is_filled);
1439 }
1440
ThreadChangeZoom(vout_thread_t * vout,int num,int den)1441 static void ThreadChangeZoom(vout_thread_t *vout, int num, int den)
1442 {
1443 if (num * 10 < den) {
1444 num = den;
1445 den *= 10;
1446 } else if (num > den * 10) {
1447 num = den * 10;
1448 }
1449
1450 vout_SetDisplayZoom(vout->p->display.vd, num, den);
1451 }
1452
ThreadChangeAspectRatio(vout_thread_t * vout,unsigned num,unsigned den)1453 static void ThreadChangeAspectRatio(vout_thread_t *vout,
1454 unsigned num, unsigned den)
1455 {
1456 vout_SetDisplayAspect(vout->p->display.vd, num, den);
1457 }
1458
1459
ThreadExecuteCropWindow(vout_thread_t * vout,unsigned x,unsigned y,unsigned width,unsigned height)1460 static void ThreadExecuteCropWindow(vout_thread_t *vout,
1461 unsigned x, unsigned y,
1462 unsigned width, unsigned height)
1463 {
1464 vout_SetDisplayCrop(vout->p->display.vd, 0, 0,
1465 x, y, width, height);
1466 }
ThreadExecuteCropBorder(vout_thread_t * vout,unsigned left,unsigned top,unsigned right,unsigned bottom)1467 static void ThreadExecuteCropBorder(vout_thread_t *vout,
1468 unsigned left, unsigned top,
1469 unsigned right, unsigned bottom)
1470 {
1471 msg_Dbg(vout, "ThreadExecuteCropBorder %d.%d %dx%d", left, top, right, bottom);
1472 vout_SetDisplayCrop(vout->p->display.vd, 0, 0,
1473 left, top, -(int)right, -(int)bottom);
1474 }
1475
ThreadExecuteCropRatio(vout_thread_t * vout,unsigned num,unsigned den)1476 static void ThreadExecuteCropRatio(vout_thread_t *vout,
1477 unsigned num, unsigned den)
1478 {
1479 vout_SetDisplayCrop(vout->p->display.vd, num, den,
1480 0, 0, 0, 0);
1481 }
1482
ThreadExecuteViewpoint(vout_thread_t * vout,const vlc_viewpoint_t * p_viewpoint)1483 static void ThreadExecuteViewpoint(vout_thread_t *vout,
1484 const vlc_viewpoint_t *p_viewpoint)
1485 {
1486 vout_SetDisplayViewpoint(vout->p->display.vd, p_viewpoint);
1487 }
1488
ThreadStart(vout_thread_t * vout,vout_display_state_t * state)1489 static int ThreadStart(vout_thread_t *vout, vout_display_state_t *state)
1490 {
1491 vlc_mouse_Init(&vout->p->mouse);
1492 vout->p->decoder_fifo = picture_fifo_New();
1493 vout->p->decoder_pool = NULL;
1494 vout->p->display_pool = NULL;
1495 vout->p->private_pool = NULL;
1496
1497 vout->p->filter.configuration = NULL;
1498 video_format_Copy(&vout->p->filter.format, &vout->p->original);
1499
1500 filter_owner_t owner = {
1501 .sys = vout,
1502 .video = {
1503 .buffer_new = VoutVideoFilterStaticNewPicture,
1504 },
1505 };
1506 vout->p->filter.chain_static =
1507 filter_chain_NewVideo( vout, true, &owner );
1508
1509 owner.video.buffer_new = VoutVideoFilterInteractiveNewPicture;
1510 vout->p->filter.chain_interactive =
1511 filter_chain_NewVideo( vout, true, &owner );
1512
1513 vout_display_state_t state_default;
1514 if (!state) {
1515 VoutGetDisplayCfg(vout, &state_default.cfg, vout->p->display.title);
1516
1517 #if defined(_WIN32) || defined(__OS2__)
1518 bool below = var_InheritBool(vout, "video-wallpaper");
1519 bool above = var_InheritBool(vout, "video-on-top");
1520
1521 state_default.wm_state = below ? VOUT_WINDOW_STATE_BELOW
1522 : above ? VOUT_WINDOW_STATE_ABOVE
1523 : VOUT_WINDOW_STATE_NORMAL;
1524 #endif
1525 state_default.sar.num = 0;
1526 state_default.sar.den = 0;
1527
1528 state = &state_default;
1529 }
1530
1531 if (vout_OpenWrapper(vout, vout->p->splitter_name, state))
1532 goto error;
1533 if (vout_InitWrapper(vout))
1534 {
1535 vout_CloseWrapper(vout, state);
1536 goto error;
1537 }
1538 assert(vout->p->decoder_pool && vout->p->private_pool);
1539
1540 vout->p->displayed.current = NULL;
1541 vout->p->displayed.next = NULL;
1542 vout->p->displayed.decoded = NULL;
1543 vout->p->displayed.date = VLC_TS_INVALID;
1544 vout->p->displayed.timestamp = VLC_TS_INVALID;
1545 vout->p->displayed.is_interlaced = false;
1546
1547 vout->p->step.last = VLC_TS_INVALID;
1548 vout->p->step.timestamp = VLC_TS_INVALID;
1549
1550 vout->p->spu_blend_chroma = 0;
1551 vout->p->spu_blend = NULL;
1552
1553 video_format_Print(VLC_OBJECT(vout), "original format", &vout->p->original);
1554 return VLC_SUCCESS;
1555 error:
1556 if (vout->p->filter.chain_interactive != NULL)
1557 {
1558 ThreadDelAllFilterCallbacks(vout);
1559 filter_chain_Delete(vout->p->filter.chain_interactive);
1560 }
1561 if (vout->p->filter.chain_static != NULL)
1562 filter_chain_Delete(vout->p->filter.chain_static);
1563 video_format_Clean(&vout->p->filter.format);
1564 if (vout->p->decoder_fifo != NULL)
1565 picture_fifo_Delete(vout->p->decoder_fifo);
1566 return VLC_EGENERIC;
1567 }
1568
ThreadStop(vout_thread_t * vout,vout_display_state_t * state)1569 static void ThreadStop(vout_thread_t *vout, vout_display_state_t *state)
1570 {
1571 if (vout->p->spu_blend)
1572 filter_DeleteBlend(vout->p->spu_blend);
1573
1574 /* Destroy translation tables */
1575 if (vout->p->display.vd) {
1576 if (vout->p->decoder_pool) {
1577 ThreadFlush(vout, true, INT64_MAX);
1578 vout_EndWrapper(vout);
1579 }
1580 vout_CloseWrapper(vout, state);
1581 }
1582
1583 /* Destroy the video filters */
1584 ThreadDelAllFilterCallbacks(vout);
1585 filter_chain_Delete(vout->p->filter.chain_interactive);
1586 filter_chain_Delete(vout->p->filter.chain_static);
1587 video_format_Clean(&vout->p->filter.format);
1588 free(vout->p->filter.configuration);
1589
1590 if (vout->p->decoder_fifo)
1591 picture_fifo_Delete(vout->p->decoder_fifo);
1592 assert(!vout->p->decoder_pool);
1593 }
1594
ThreadInit(vout_thread_t * vout)1595 static void ThreadInit(vout_thread_t *vout)
1596 {
1597 vout->p->dead = false;
1598 vout->p->is_late_dropped = var_InheritBool(vout, "drop-late-frames");
1599 vout->p->pause.is_on = false;
1600 vout->p->pause.date = VLC_TS_INVALID;
1601
1602 vout_chrono_Init(&vout->p->render, 5, 10000); /* Arbitrary initial time */
1603 }
1604
ThreadClean(vout_thread_t * vout)1605 static void ThreadClean(vout_thread_t *vout)
1606 {
1607 vout_chrono_Clean(&vout->p->render);
1608 vout->p->dead = true;
1609 vout_control_Dead(&vout->p->control);
1610 }
1611
ThreadReinit(vout_thread_t * vout,const vout_configuration_t * cfg)1612 static int ThreadReinit(vout_thread_t *vout,
1613 const vout_configuration_t *cfg)
1614 {
1615 video_format_t original;
1616
1617 vout->p->pause.is_on = false;
1618 vout->p->pause.date = VLC_TS_INVALID;
1619
1620 if (VoutValidateFormat(&original, cfg->fmt)) {
1621 ThreadStop(vout, NULL);
1622 ThreadClean(vout);
1623 return VLC_EGENERIC;
1624 }
1625
1626 /* We ignore ar changes at this point, they are dynamically supported.
1627 * #19268: don't ignore crop changes (fix vouts using the crop size of the
1628 * previous format). */
1629 vout->p->original.i_sar_num = original.i_sar_num;
1630 vout->p->original.i_sar_den = original.i_sar_den;
1631 if (video_format_IsSimilar(&original, &vout->p->original)) {
1632 if (cfg->dpb_size <= vout->p->dpb_size) {
1633 video_format_Clean(&original);
1634 return VLC_SUCCESS;
1635 }
1636 msg_Warn(vout, "DPB need to be increased");
1637 }
1638
1639 vout_display_state_t state;
1640 memset(&state, 0, sizeof(state));
1641
1642 ThreadStop(vout, &state);
1643
1644 vout_ReinitInterlacingSupport(vout);
1645
1646 #if defined(_WIN32) || defined(__OS2__)
1647 if (!state.cfg.is_fullscreen)
1648 #endif
1649 {
1650 state.cfg.display.width = 0;
1651 state.cfg.display.height = 0;
1652 }
1653 state.sar.num = 0;
1654 state.sar.den = 0;
1655
1656 /* FIXME current vout "variables" are not in sync here anymore
1657 * and I am not sure what to do */
1658 if (state.cfg.display.sar.num <= 0 || state.cfg.display.sar.den <= 0) {
1659 state.cfg.display.sar.num = 1;
1660 state.cfg.display.sar.den = 1;
1661 }
1662 if (state.cfg.zoom.num <= 0 || state.cfg.zoom.den <= 0) {
1663 state.cfg.zoom.num = 1;
1664 state.cfg.zoom.den = 1;
1665 }
1666
1667 vout->p->original = original;
1668 vout->p->dpb_size = cfg->dpb_size;
1669 if (ThreadStart(vout, &state)) {
1670 ThreadClean(vout);
1671 return VLC_EGENERIC;
1672 }
1673 return VLC_SUCCESS;
1674 }
1675
ThreadCancel(vout_thread_t * vout,bool canceled)1676 static void ThreadCancel(vout_thread_t *vout, bool canceled)
1677 {
1678 picture_pool_Cancel(vout->p->decoder_pool, canceled);
1679 }
1680
ThreadControl(vout_thread_t * vout,vout_control_cmd_t cmd)1681 static int ThreadControl(vout_thread_t *vout, vout_control_cmd_t cmd)
1682 {
1683 switch(cmd.type) {
1684 case VOUT_CONTROL_INIT:
1685 ThreadInit(vout);
1686 if (ThreadStart(vout, NULL))
1687 {
1688 ThreadClean(vout);
1689 return 1;
1690 }
1691 break;
1692 case VOUT_CONTROL_CLEAN:
1693 ThreadStop(vout, NULL);
1694 ThreadClean(vout);
1695 return 1;
1696 case VOUT_CONTROL_REINIT:
1697 if (ThreadReinit(vout, cmd.u.cfg))
1698 return 1;
1699 break;
1700 case VOUT_CONTROL_CANCEL:
1701 ThreadCancel(vout, cmd.u.boolean);
1702 break;
1703 case VOUT_CONTROL_SUBPICTURE:
1704 ThreadDisplaySubpicture(vout, cmd.u.subpicture);
1705 cmd.u.subpicture = NULL;
1706 break;
1707 case VOUT_CONTROL_FLUSH_SUBPICTURE:
1708 ThreadFlushSubpicture(vout, cmd.u.integer);
1709 break;
1710 case VOUT_CONTROL_OSD_TITLE:
1711 ThreadDisplayOsdTitle(vout, cmd.u.string);
1712 break;
1713 case VOUT_CONTROL_CHANGE_FILTERS:
1714 ThreadChangeFilters(vout, NULL,
1715 cmd.u.string != NULL ?
1716 cmd.u.string : vout->p->filter.configuration,
1717 -1, false);
1718 break;
1719 case VOUT_CONTROL_CHANGE_INTERLACE:
1720 ThreadChangeFilters(vout, NULL, vout->p->filter.configuration,
1721 cmd.u.boolean ? 1 : 0, false);
1722 break;
1723 case VOUT_CONTROL_CHANGE_SUB_SOURCES:
1724 ThreadChangeSubSources(vout, cmd.u.string);
1725 break;
1726 case VOUT_CONTROL_CHANGE_SUB_FILTERS:
1727 ThreadChangeSubFilters(vout, cmd.u.string);
1728 break;
1729 case VOUT_CONTROL_CHANGE_SUB_MARGIN:
1730 ThreadChangeSubMargin(vout, cmd.u.integer);
1731 break;
1732 case VOUT_CONTROL_PAUSE:
1733 ThreadChangePause(vout, cmd.u.pause.is_on, cmd.u.pause.date);
1734 break;
1735 case VOUT_CONTROL_FLUSH:
1736 ThreadFlush(vout, false, cmd.u.time);
1737 break;
1738 case VOUT_CONTROL_STEP:
1739 ThreadStep(vout, cmd.u.time_ptr);
1740 break;
1741 case VOUT_CONTROL_FULLSCREEN:
1742 ThreadChangeFullscreen(vout, cmd.u.boolean);
1743 break;
1744 case VOUT_CONTROL_WINDOW_STATE:
1745 ThreadChangeWindowState(vout, cmd.u.integer);
1746 break;
1747 case VOUT_CONTROL_WINDOW_MOUSE:
1748 ThreadChangeWindowMouse(vout, &cmd.u.window_mouse);
1749 break;
1750 case VOUT_CONTROL_DISPLAY_FILLED:
1751 ThreadChangeDisplayFilled(vout, cmd.u.boolean);
1752 break;
1753 case VOUT_CONTROL_ZOOM:
1754 ThreadChangeZoom(vout, cmd.u.pair.a, cmd.u.pair.b);
1755 break;
1756 case VOUT_CONTROL_ASPECT_RATIO:
1757 ThreadChangeAspectRatio(vout, cmd.u.pair.a, cmd.u.pair.b);
1758 break;
1759 case VOUT_CONTROL_CROP_RATIO:
1760 ThreadExecuteCropRatio(vout, cmd.u.pair.a, cmd.u.pair.b);
1761 break;
1762 case VOUT_CONTROL_CROP_WINDOW:
1763 ThreadExecuteCropWindow(vout,
1764 cmd.u.window.x, cmd.u.window.y,
1765 cmd.u.window.width, cmd.u.window.height);
1766 break;
1767 case VOUT_CONTROL_CROP_BORDER:
1768 ThreadExecuteCropBorder(vout,
1769 cmd.u.border.left, cmd.u.border.top,
1770 cmd.u.border.right, cmd.u.border.bottom);
1771 break;
1772 case VOUT_CONTROL_VIEWPOINT:
1773 ThreadExecuteViewpoint(vout, &cmd.u.viewpoint);
1774 break;
1775 default:
1776 break;
1777 }
1778 vout_control_cmd_Clean(&cmd);
1779 return 0;
1780 }
1781
1782 /*****************************************************************************
1783 * Thread: video output thread
1784 *****************************************************************************
1785 * Video output thread. This function does only returns when the thread is
1786 * terminated. It handles the pictures arriving in the video heap and the
1787 * display device events.
1788 *****************************************************************************/
Thread(void * object)1789 static void *Thread(void *object)
1790 {
1791 vout_thread_t *vout = object;
1792 vout_thread_sys_t *sys = vout->p;
1793
1794 mtime_t deadline = VLC_TS_INVALID;
1795 bool wait = false;
1796 for (;;) {
1797 vout_control_cmd_t cmd;
1798
1799 if (wait)
1800 {
1801 const mtime_t max_deadline = mdate() + 100000;
1802 deadline = deadline <= VLC_TS_INVALID ? max_deadline : __MIN(deadline, max_deadline);
1803 } else {
1804 deadline = VLC_TS_INVALID;
1805 }
1806 while (!vout_control_Pop(&sys->control, &cmd, deadline))
1807 if (ThreadControl(vout, cmd))
1808 return NULL;
1809
1810 deadline = VLC_TS_INVALID;
1811 wait = ThreadDisplayPicture(vout, &deadline) != VLC_SUCCESS;
1812
1813 const bool picture_interlaced = sys->displayed.is_interlaced;
1814
1815 vout_SetInterlacingState(vout, picture_interlaced);
1816 vout_ManageWrapper(vout);
1817 }
1818 }
1819