1 /*****************************************************************************
2 * video_output.c : video output thread
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
11 * Authors: Vincent Seguin <seguin@via.ecp.fr>
12 * Gildas Bazin <gbazin@videolan.org>
13 * Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
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.
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.
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 *****************************************************************************/
30 /*****************************************************************************
32 *****************************************************************************/
37 #include <vlc_common.h>
39 #include <stdlib.h> /* free() */
45 #include <vlc_filter.h>
46 #include <vlc_vout_osd.h>
47 #include <vlc_image.h>
50 #include "vout_internal.h"
51 #include "interlacing.h"
54 /*****************************************************************************
56 *****************************************************************************/
57 static void *Thread(void *);
58 static void VoutDestructor(vlc_object_t *);
60 /* Maximum delay between 2 displayed pictures.
61 * XXX it is needed for now but should be removed in the long term.
63 #define VOUT_REDISPLAY_DELAY (INT64_C(80000))
66 * Late pictures having a delay higher than this value are thrashed.
68 #define VOUT_DISPLAY_LATE_THRESHOLD (INT64_C(20000))
70 /* Better be in advance when awakening than late... */
71 #define VOUT_MWAIT_TOLERANCE (INT64_C(4000))
74 static int VoutValidateFormat(video_format_t *dst,
75 const video_format_t *src)
77 if (src->i_width <= 0 || src->i_width > 8192 ||
78 src->i_height <= 0 || src->i_height > 8192)
80 if (src->i_sar_num <= 0 || src->i_sar_den <= 0)
84 video_format_Copy(dst, src);
85 dst->i_chroma = vlc_fourcc_GetCodec(VIDEO_ES, src->i_chroma);
86 vlc_ureduce( &dst->i_sar_num, &dst->i_sar_den,
87 src->i_sar_num, src->i_sar_den, 50000 );
88 if (dst->i_sar_num <= 0 || dst->i_sar_den <= 0) {
92 video_format_FixRgb(dst);
95 static void VideoFormatCopyCropAr(video_format_t *dst,
96 const video_format_t *src)
98 video_format_CopyCrop(dst, src);
99 dst->i_sar_num = src->i_sar_num;
100 dst->i_sar_den = src->i_sar_den;
102 static bool VideoFormatIsCropArEqual(video_format_t *dst,
103 const video_format_t *src)
105 return dst->i_sar_num * src->i_sar_den == dst->i_sar_den * src->i_sar_num &&
106 dst->i_x_offset == src->i_x_offset &&
107 dst->i_y_offset == src->i_y_offset &&
108 dst->i_visible_width == src->i_visible_width &&
109 dst->i_visible_height == src->i_visible_height;
112 static vout_thread_t *VoutCreate(vlc_object_t *object,
113 const vout_configuration_t *cfg)
115 video_format_t original;
116 if (VoutValidateFormat(&original, cfg->fmt))
119 /* Allocate descriptor */
120 vout_thread_t *vout = vlc_custom_create(object,
121 sizeof(*vout) + sizeof(*vout->p),
124 video_format_Clean(&original);
129 vout->p = (vout_thread_sys_t*)&vout[1];
131 vout->p->original = original;
132 vout->p->dpb_size = cfg->dpb_size;
134 vout_control_Init(&vout->p->control);
135 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_INIT);
137 vout_statistic_Init(&vout->p->statistic);
139 vout_snapshot_Init(&vout->p->snapshot);
141 /* Initialize locks */
142 vlc_mutex_init(&vout->p->picture_lock);
143 vlc_mutex_init(&vout->p->filter.lock);
144 vlc_mutex_init(&vout->p->spu_lock);
146 /* Initialize subpicture unit */
147 vout->p->spu = spu_Create(vout);
149 /* Take care of some "interface/control" related initialisations */
152 vout->p->title.show = var_InheritBool(vout, "video-title-show");
153 vout->p->title.timeout = var_InheritInteger(vout, "video-title-timeout");
154 vout->p->title.position = var_InheritInteger(vout, "video-title-position");
156 /* Get splitter name if present */
157 char *splitter_name = var_InheritString(vout, "video-splitter");
158 if (splitter_name && *splitter_name) {
159 vout->p->splitter_name = splitter_name;
165 vout_InitInterlacingSupport(vout, vout->p->displayed.is_interlaced);
168 vlc_object_set_destructor(vout, VoutDestructor);
171 if (vlc_clone(&vout->p->thread, Thread, vout,
172 VLC_THREAD_PRIORITY_OUTPUT)) {
173 spu_Destroy(vout->p->spu);
174 vlc_object_release(vout);
178 vout_control_WaitEmpty(&vout->p->control);
181 msg_Err(vout, "video output creation failed");
182 vout_CloseAndRelease(vout);
186 vout->p->input = cfg->input;
188 spu_Attach(vout->p->spu, vout->p->input, true);
194 vout_thread_t *vout_Request(vlc_object_t *object,
195 const vout_configuration_t *cfg)
197 vout_thread_t *vout = cfg->vout;
198 if (cfg->change_fmt && !cfg->fmt) {
200 vout_CloseAndRelease(vout);
204 /* If a vout is provided, try reusing it */
206 if (vout->p->input != cfg->input) {
208 spu_Attach(vout->p->spu, vout->p->input, false);
209 vout->p->input = cfg->input;
211 spu_Attach(vout->p->spu, vout->p->input, true);
214 if (cfg->change_fmt) {
215 vout_control_cmd_t cmd;
216 vout_control_cmd_Init(&cmd, VOUT_CONTROL_REINIT);
219 vout_control_Push(&vout->p->control, &cmd);
220 vout_control_WaitEmpty(&vout->p->control);
223 if (!vout->p->dead) {
224 msg_Dbg(object, "reusing provided vout");
225 vout_IntfReinit(vout);
228 vout_CloseAndRelease(vout);
230 msg_Warn(object, "cannot reuse provided vout");
232 return VoutCreate(object, cfg);
235 void vout_Close(vout_thread_t *vout)
240 spu_Attach(vout->p->spu, vout->p->input, false);
242 vout_snapshot_End(&vout->p->snapshot);
244 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_CLEAN);
245 vlc_join(vout->p->thread, NULL);
247 vlc_mutex_lock(&vout->p->spu_lock);
248 spu_Destroy(vout->p->spu);
250 vlc_mutex_unlock(&vout->p->spu_lock);
254 static void VoutDestructor(vlc_object_t *object)
256 vout_thread_t *vout = (vout_thread_t *)object;
258 /* Make sure the vout was stopped first */
259 //assert(!vout->p_module);
261 free(vout->p->splitter_name);
263 /* Destroy the locks */
264 vlc_mutex_destroy(&vout->p->spu_lock);
265 vlc_mutex_destroy(&vout->p->picture_lock);
266 vlc_mutex_destroy(&vout->p->filter.lock);
267 vout_control_Clean(&vout->p->control);
270 vout_statistic_Clean(&vout->p->statistic);
273 vout_snapshot_Clean(&vout->p->snapshot);
275 video_format_Clean(&vout->p->original);
279 void vout_ChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
281 vout_control_cmd_t cmd;
282 vout_control_cmd_Init(&cmd, VOUT_CONTROL_PAUSE);
283 cmd.u.pause.is_on = is_paused;
284 cmd.u.pause.date = date;
285 vout_control_Push(&vout->p->control, &cmd);
287 vout_control_WaitEmpty(&vout->p->control);
290 void vout_GetResetStatistic(vout_thread_t *vout, int *displayed, int *lost)
292 vout_statistic_GetReset( &vout->p->statistic, displayed, lost );
295 void vout_Flush(vout_thread_t *vout, mtime_t date)
297 vout_control_PushTime(&vout->p->control, VOUT_CONTROL_FLUSH, date);
298 vout_control_WaitEmpty(&vout->p->control);
301 void vout_Reset(vout_thread_t *vout)
303 vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_RESET);
304 vout_control_WaitEmpty(&vout->p->control);
307 bool vout_IsEmpty(vout_thread_t *vout)
309 vlc_mutex_lock(&vout->p->picture_lock);
311 picture_t *picture = picture_fifo_Peek(vout->p->decoder_fifo);
313 picture_Release(picture);
315 vlc_mutex_unlock(&vout->p->picture_lock);
320 void vout_FixLeaks( vout_thread_t *vout )
322 vlc_mutex_lock(&vout->p->picture_lock);
324 picture_t *picture = picture_fifo_Peek(vout->p->decoder_fifo);
326 picture = picture_pool_Get(vout->p->decoder_pool);
330 picture_Release(picture);
331 /* Not all pictures has been displayed yet or some are
333 vlc_mutex_unlock(&vout->p->picture_lock);
337 /* There is no reason that no pictures are available, force one
338 * from the pool, becarefull with it though */
339 msg_Err(vout, "pictures leaked, trying to workaround");
342 picture_pool_NonEmpty(vout->p->decoder_pool, false);
344 vlc_mutex_unlock(&vout->p->picture_lock);
346 void vout_NextPicture(vout_thread_t *vout, mtime_t *duration)
348 vout_control_cmd_t cmd;
349 vout_control_cmd_Init(&cmd, VOUT_CONTROL_STEP);
350 cmd.u.time_ptr = duration;
352 vout_control_Push(&vout->p->control, &cmd);
353 vout_control_WaitEmpty(&vout->p->control);
356 void vout_DisplayTitle(vout_thread_t *vout, const char *title)
359 vout_control_PushString(&vout->p->control, VOUT_CONTROL_OSD_TITLE, title);
362 void vout_PutSubpicture( vout_thread_t *vout, subpicture_t *subpic )
364 vout_control_cmd_t cmd;
365 vout_control_cmd_Init(&cmd, VOUT_CONTROL_SUBPICTURE);
366 cmd.u.subpicture = subpic;
368 vout_control_Push(&vout->p->control, &cmd);
370 int vout_RegisterSubpictureChannel( vout_thread_t *vout )
372 int channel = SPU_DEFAULT_CHANNEL;
374 vlc_mutex_lock(&vout->p->spu_lock);
376 channel = spu_RegisterChannel(vout->p->spu);
377 vlc_mutex_unlock(&vout->p->spu_lock);
381 void vout_FlushSubpictureChannel( vout_thread_t *vout, int channel )
383 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_FLUSH_SUBPICTURE,
388 * It retreives a picture from the vout or NULL if no pictures are
391 * You MUST call vout_PutPicture or vout_ReleasePicture on it.
393 * You may use vout_HoldPicture(paired with vout_ReleasePicture) to keep a
394 * read-only reference.
396 picture_t *vout_GetPicture(vout_thread_t *vout)
399 vlc_mutex_lock(&vout->p->picture_lock);
400 picture_t *picture = picture_pool_Get(vout->p->decoder_pool);
402 picture_Reset(picture);
403 VideoFormatCopyCropAr(&picture->format, &vout->p->original);
405 vlc_mutex_unlock(&vout->p->picture_lock);
411 * It gives to the vout a picture to be displayed.
413 * The given picture MUST comes from vout_GetPicture.
415 * Becareful, after vout_PutPicture is called, picture_t::p_next cannot be
418 void vout_PutPicture(vout_thread_t *vout, picture_t *picture)
420 vlc_mutex_lock(&vout->p->picture_lock);
422 picture->p_next = NULL;
423 picture_fifo_Push(vout->p->decoder_fifo, picture);
425 vlc_mutex_unlock(&vout->p->picture_lock);
427 vout_control_Wake(&vout->p->control);
431 * It releases a picture retreived by vout_GetPicture.
433 void vout_ReleasePicture(vout_thread_t *vout, picture_t *picture)
435 vlc_mutex_lock(&vout->p->picture_lock);
437 picture_Release(picture);
439 vlc_mutex_unlock(&vout->p->picture_lock);
441 vout_control_Wake(&vout->p->control);
445 * It increment the reference counter of a picture retreived by
448 void vout_HoldPicture(vout_thread_t *vout, picture_t *picture)
450 vlc_mutex_lock(&vout->p->picture_lock);
452 picture_Hold(picture);
454 vlc_mutex_unlock(&vout->p->picture_lock);
458 int vout_GetSnapshot(vout_thread_t *vout,
459 block_t **image_dst, picture_t **picture_dst,
461 const char *type, mtime_t timeout)
463 picture_t *picture = vout_snapshot_Get(&vout->p->snapshot, timeout);
465 msg_Err(vout, "Failed to grab a snapshot");
470 vlc_fourcc_t codec = VLC_CODEC_PNG;
471 if (type && image_Type2Fourcc(type))
472 codec = image_Type2Fourcc(type);
474 const int override_width = var_InheritInteger(vout, "snapshot-width");
475 const int override_height = var_InheritInteger(vout, "snapshot-height");
477 if (picture_Export(VLC_OBJECT(vout), image_dst, fmt,
478 picture, codec, override_width, override_height)) {
479 msg_Err(vout, "Failed to convert image for snapshot");
480 picture_Release(picture);
485 *picture_dst = picture;
487 picture_Release(picture);
491 void vout_ChangeAspectRatio( vout_thread_t *p_vout,
492 unsigned int i_num, unsigned int i_den )
494 vout_ControlChangeSampleAspectRatio( p_vout, i_num, i_den );
497 /* vout_Control* are usable by anyone at anytime */
498 void vout_ControlChangeFullscreen(vout_thread_t *vout, bool fullscreen)
500 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_FULLSCREEN,
503 void vout_ControlChangeWindowState(vout_thread_t *vout, unsigned st)
505 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_WINDOW_STATE, st);
507 void vout_ControlChangeDisplayFilled(vout_thread_t *vout, bool is_filled)
509 vout_control_PushBool(&vout->p->control, VOUT_CONTROL_DISPLAY_FILLED,
512 void vout_ControlChangeZoom(vout_thread_t *vout, int num, int den)
514 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_ZOOM,
517 void vout_ControlChangeSampleAspectRatio(vout_thread_t *vout,
518 unsigned num, unsigned den)
520 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_ASPECT_RATIO,
523 void vout_ControlChangeCropRatio(vout_thread_t *vout,
524 unsigned num, unsigned den)
526 vout_control_PushPair(&vout->p->control, VOUT_CONTROL_CROP_RATIO,
529 void vout_ControlChangeCropWindow(vout_thread_t *vout,
530 int x, int y, int width, int height)
532 vout_control_cmd_t cmd;
533 vout_control_cmd_Init(&cmd, VOUT_CONTROL_CROP_WINDOW);
534 cmd.u.window.x = __MAX(x, 0);
535 cmd.u.window.y = __MAX(y, 0);
536 cmd.u.window.width = __MAX(width, 0);
537 cmd.u.window.height = __MAX(height, 0);
539 vout_control_Push(&vout->p->control, &cmd);
541 void vout_ControlChangeCropBorder(vout_thread_t *vout,
542 int left, int top, int right, int bottom)
544 vout_control_cmd_t cmd;
545 vout_control_cmd_Init(&cmd, VOUT_CONTROL_CROP_BORDER);
546 cmd.u.border.left = __MAX(left, 0);
547 cmd.u.border.top = __MAX(top, 0);
548 cmd.u.border.right = __MAX(right, 0);
549 cmd.u.border.bottom = __MAX(bottom, 0);
551 vout_control_Push(&vout->p->control, &cmd);
553 void vout_ControlChangeFilters(vout_thread_t *vout, const char *filters)
555 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_FILTERS,
558 void vout_ControlChangeSubSources(vout_thread_t *vout, const char *filters)
560 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_SOURCES,
563 void vout_ControlChangeSubFilters(vout_thread_t *vout, const char *filters)
565 vout_control_PushString(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_FILTERS,
568 void vout_ControlChangeSubMargin(vout_thread_t *vout, int margin)
570 vout_control_PushInteger(&vout->p->control, VOUT_CONTROL_CHANGE_SUB_MARGIN,
575 static void VoutGetDisplayCfg(vout_thread_t *vout, vout_display_cfg_t *cfg, const char *title)
577 /* Load configuration */
578 cfg->is_fullscreen = var_CreateGetBool(vout, "fullscreen")
579 || var_InheritBool(vout, "video-wallpaper");
580 cfg->display.title = title;
581 const int display_width = var_CreateGetInteger(vout, "width");
582 const int display_height = var_CreateGetInteger(vout, "height");
583 cfg->display.width = display_width > 0 ? display_width : 0;
584 cfg->display.height = display_height > 0 ? display_height : 0;
585 cfg->is_display_filled = var_CreateGetBool(vout, "autoscale");
586 unsigned msar_num, msar_den;
587 if (var_InheritURational(vout, &msar_num, &msar_den, "monitor-par") ||
588 msar_num <= 0 || msar_den <= 0) {
592 cfg->display.sar.num = msar_num;
593 cfg->display.sar.den = msar_den;
594 unsigned zoom_den = 1000;
595 unsigned zoom_num = zoom_den * var_CreateGetFloat(vout, "scale");
596 vlc_ureduce(&zoom_num, &zoom_den, zoom_num, zoom_den, 0);
597 cfg->zoom.num = zoom_num;
598 cfg->zoom.den = zoom_den;
599 cfg->align.vertical = VOUT_DISPLAY_ALIGN_CENTER;
600 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_CENTER;
601 const int align_mask = var_CreateGetInteger(vout, "align");
602 if (align_mask & 0x1)
603 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_LEFT;
604 else if (align_mask & 0x2)
605 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_RIGHT;
606 if (align_mask & 0x4)
607 cfg->align.vertical = VOUT_DISPLAY_ALIGN_TOP;
608 else if (align_mask & 0x8)
609 cfg->align.vertical = VOUT_DISPLAY_ALIGN_BOTTOM;
612 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd,
613 const vout_window_cfg_t *cfg)
616 vout_window_cfg_t cfg_override = *cfg;
618 if (!var_InheritBool( vout, "embedded-video"))
619 cfg_override.is_standalone = true;
621 if (vout->p->window.is_unused && vout->p->window.object) {
622 assert(!vout->p->splitter_name);
623 if (!cfg_override.is_standalone == !vout->p->window.cfg.is_standalone &&
624 cfg_override.type == vout->p->window.cfg.type) {
625 /* Reuse the stored window */
626 msg_Dbg(vout, "Reusing previous vout window");
627 vout_window_t *window = vout->p->window.object;
628 if (cfg_override.width != vout->p->window.cfg.width ||
629 cfg_override.height != vout->p->window.cfg.height)
630 vout_window_SetSize(window,
631 cfg_override.width, cfg_override.height);
632 vout->p->window.is_unused = false;
633 vout->p->window.cfg = cfg_override;
637 vout_window_Delete(vout->p->window.object);
638 vout->p->window.is_unused = true;
639 vout->p->window.object = NULL;
642 vout_window_t *window = vout_window_New(VLC_OBJECT(vout), "$window",
646 if (!vout->p->splitter_name) {
647 vout->p->window.is_unused = false;
648 vout->p->window.cfg = cfg_override;
649 vout->p->window.object = window;
654 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd,
655 vout_window_t *window)
658 if (!vout->p->window.is_unused && vout->p->window.object == window) {
659 vout->p->window.is_unused = true;
660 } else if (vout->p->window.is_unused && vout->p->window.object && !window) {
661 vout_window_Delete(vout->p->window.object);
662 vout->p->window.is_unused = true;
663 vout->p->window.object = NULL;
665 vout_window_Delete(window);
670 static picture_t *VoutVideoFilterInteractiveNewPicture(filter_t *filter)
672 vout_thread_t *vout = filter->owner.sys;
674 picture_t *picture = picture_pool_Get(vout->p->private_pool);
676 picture_Reset(picture);
677 VideoFormatCopyCropAr(&picture->format, &filter->fmt_out.video);
682 static picture_t *VoutVideoFilterStaticNewPicture(filter_t *filter)
684 vout_thread_t *vout = filter->owner.sys;
686 vlc_assert_locked(&vout->p->filter.lock);
687 if (filter_chain_GetLength(vout->p->filter.chain_interactive) == 0)
688 return VoutVideoFilterInteractiveNewPicture(filter);
690 return picture_NewFromFormat(&filter->fmt_out.video);
693 static void VoutVideoFilterDelPicture(filter_t *filter, picture_t *picture)
696 picture_Release(picture);
699 static void ThreadFilterFlush(vout_thread_t *vout, bool is_locked)
701 if (vout->p->displayed.current)
702 picture_Release( vout->p->displayed.current );
703 vout->p->displayed.current = NULL;
705 if (vout->p->displayed.next)
706 picture_Release( vout->p->displayed.next );
707 vout->p->displayed.next = NULL;
710 vlc_mutex_lock(&vout->p->filter.lock);
711 filter_chain_VideoFlush(vout->p->filter.chain_static);
712 filter_chain_VideoFlush(vout->p->filter.chain_interactive);
714 vlc_mutex_unlock(&vout->p->filter.lock);
722 static void ThreadChangeFilters(vout_thread_t *vout,
723 const video_format_t *source,
727 ThreadFilterFlush(vout, is_locked);
729 vlc_array_t array_static;
730 vlc_array_t array_interactive;
732 vlc_array_init(&array_static);
733 vlc_array_init(&array_interactive);
734 char *current = filters ? strdup(filters) : NULL;
738 char *next = config_ChainCreate(&name, &cfg, current);
741 vout_filter_t *e = xmalloc(sizeof(*e));
744 if (!strcmp(e->name, "deinterlace") ||
745 !strcmp(e->name, "postproc")) {
746 vlc_array_append(&array_static, e);
748 vlc_array_append(&array_interactive, e);
752 config_ChainDestroy(cfg);
760 vlc_mutex_lock(&vout->p->filter.lock);
762 es_format_t fmt_target;
763 es_format_InitFromVideo(&fmt_target, source ? source : &vout->p->filter.format);
765 es_format_t fmt_current = fmt_target;
767 for (int a = 0; a < 2; a++) {
768 vlc_array_t *array = a == 0 ? &array_static :
770 filter_chain_t *chain = a == 0 ? vout->p->filter.chain_static :
771 vout->p->filter.chain_interactive;
773 filter_chain_Reset(chain, &fmt_current, &fmt_current);
774 for (int i = 0; i < vlc_array_count(array); i++) {
775 vout_filter_t *e = vlc_array_item_at_index(array, i);
776 msg_Dbg(vout, "Adding '%s' as %s", e->name, a == 0 ? "static" : "interactive");
777 if (!filter_chain_AppendFilter(chain, e->name, e->cfg, NULL, NULL)) {
778 msg_Err(vout, "Failed to add filter '%s'", e->name);
779 config_ChainDestroy(e->cfg);
784 fmt_current = *filter_chain_GetFmtOut(chain);
785 vlc_array_clear(array);
788 if (!es_format_IsSimilar(&fmt_current, &fmt_target)) {
789 msg_Dbg(vout, "Adding a filter to compensate for format changes");
790 if (!filter_chain_AppendFilter(vout->p->filter.chain_interactive, NULL, NULL,
791 &fmt_current, &fmt_target)) {
792 msg_Err(vout, "Failed to compensate for the format changes, removing all filters");
793 filter_chain_Reset(vout->p->filter.chain_static, &fmt_target, &fmt_target);
794 filter_chain_Reset(vout->p->filter.chain_interactive, &fmt_target, &fmt_target);
798 es_format_Clean(&fmt_target);
800 if (vout->p->filter.configuration != filters) {
801 free(vout->p->filter.configuration);
802 vout->p->filter.configuration = filters ? strdup(filters) : NULL;
805 video_format_Clean(&vout->p->filter.format);
806 video_format_Copy(&vout->p->filter.format, source);
810 vlc_mutex_unlock(&vout->p->filter.lock);
815 static int ThreadDisplayPreparePicture(vout_thread_t *vout, bool reuse, bool frame_by_frame)
817 bool is_late_dropped = vout->p->is_late_dropped && !vout->p->pause.is_on && !frame_by_frame;
819 vlc_mutex_lock(&vout->p->filter.lock);
821 picture_t *picture = filter_chain_VideoFilter(vout->p->filter.chain_static, NULL);
822 assert(!reuse || !picture);
826 if (reuse && vout->p->displayed.decoded) {
827 decoded = picture_Hold(vout->p->displayed.decoded);
829 decoded = picture_fifo_Pop(vout->p->decoder_fifo);
831 if (is_late_dropped && !decoded->b_force) {
832 const mtime_t predicted = mdate() + 0; /* TODO improve */
833 const mtime_t late = predicted - decoded->date;
834 if (late > VOUT_DISPLAY_LATE_THRESHOLD) {
835 msg_Warn(vout, "picture is too late to be displayed (missing %"PRId64" ms)", late/1000);
836 picture_Release(decoded);
837 vout_statistic_AddLost(&vout->p->statistic, 1);
839 } else if (late > 0) {
840 msg_Dbg(vout, "picture might be displayed late (missing %"PRId64" ms)", late/1000);
843 if (!VideoFormatIsCropArEqual(&decoded->format, &vout->p->filter.format))
844 ThreadChangeFilters(vout, &decoded->format, vout->p->filter.configuration, true);
852 if (vout->p->displayed.decoded)
853 picture_Release(vout->p->displayed.decoded);
855 vout->p->displayed.decoded = picture_Hold(decoded);
856 vout->p->displayed.timestamp = decoded->date;
857 vout->p->displayed.is_interlaced = !decoded->b_progressive;
859 picture = filter_chain_VideoFilter(vout->p->filter.chain_static, decoded);
862 vlc_mutex_unlock(&vout->p->filter.lock);
867 assert(!vout->p->displayed.next);
868 if (!vout->p->displayed.current)
869 vout->p->displayed.current = picture;
871 vout->p->displayed.next = picture;
875 static int ThreadDisplayRenderPicture(vout_thread_t *vout, bool is_forced)
877 vout_thread_sys_t *sys = vout->p;
878 vout_display_t *vd = vout->p->display.vd;
880 picture_t *torender = picture_Hold(vout->p->displayed.current);
882 vout_chrono_Start(&vout->p->render);
884 vlc_mutex_lock(&vout->p->filter.lock);
885 picture_t *filtered = filter_chain_VideoFilter(vout->p->filter.chain_interactive, torender);
886 vlc_mutex_unlock(&vout->p->filter.lock);
891 if (filtered->date != vout->p->displayed.current->date)
892 msg_Warn(vout, "Unsupported timestamp modifications done by chain_interactive");
895 * Get the subpicture to be displayed
897 const bool do_snapshot = vout_snapshot_IsRequested(&vout->p->snapshot);
898 mtime_t render_subtitle_date;
899 if (vout->p->pause.is_on)
900 render_subtitle_date = vout->p->pause.date;
902 render_subtitle_date = filtered->date > 1 ? filtered->date : mdate();
903 mtime_t render_osd_date = mdate(); /* FIXME wrong */
906 * Get the subpicture to be displayed
908 const bool do_dr_spu = !do_snapshot &&
909 vd->info.subpicture_chromas &&
910 *vd->info.subpicture_chromas != 0;
912 //FIXME: Denying do_early_spu if vd->source.orientation != ORIENT_NORMAL
913 //will have the effect that snapshots miss the subpictures. We do this
914 //because there is currently no way to transform subpictures to match
916 const bool do_early_spu = !do_dr_spu &&
917 vd->source.orientation == ORIENT_NORMAL &&
919 sys->display.use_dr ||
921 !vout_IsDisplayFiltered(vd) ||
922 vd->fmt.i_width * vd->fmt.i_height <= vd->source.i_width * vd->source.i_height);
924 const vlc_fourcc_t *subpicture_chromas;
925 video_format_t fmt_spu;
927 vout_display_place_t place;
928 vout_display_PlacePicture(&place, &vd->source, vd->cfg, false);
930 fmt_spu = vd->source;
931 if (fmt_spu.i_width * fmt_spu.i_height < place.width * place.height) {
932 fmt_spu.i_sar_num = vd->cfg->display.sar.num;
933 fmt_spu.i_sar_den = vd->cfg->display.sar.den;
935 fmt_spu.i_visible_width = place.width;
937 fmt_spu.i_visible_height = place.height;
939 subpicture_chromas = vd->info.subpicture_chromas;
942 fmt_spu = vd->source;
945 fmt_spu.i_sar_num = vd->cfg->display.sar.num;
946 fmt_spu.i_sar_den = vd->cfg->display.sar.den;
948 subpicture_chromas = NULL;
950 if (vout->p->spu_blend &&
951 vout->p->spu_blend->fmt_out.video.i_chroma != fmt_spu.i_chroma) {
952 filter_DeleteBlend(vout->p->spu_blend);
953 vout->p->spu_blend = NULL;
954 vout->p->spu_blend_chroma = 0;
956 if (!vout->p->spu_blend && vout->p->spu_blend_chroma != fmt_spu.i_chroma) {
957 vout->p->spu_blend_chroma = fmt_spu.i_chroma;
958 vout->p->spu_blend = filter_NewBlend(VLC_OBJECT(vout), &fmt_spu);
959 if (!vout->p->spu_blend)
960 msg_Err(vout, "Failed to create blending filter, OSD/Subtitles will not work");
964 video_format_t fmt_spu_rot;
965 video_format_ApplyRotation(&fmt_spu_rot, &fmt_spu);
966 subpicture_t *subpic = spu_Render(vout->p->spu,
967 subpicture_chromas, &fmt_spu_rot,
969 render_subtitle_date, render_osd_date,
975 * - be sure to end up with a direct buffer.
976 * - blend subtitles, and in a fast access buffer
978 bool is_direct = vout->p->decoder_pool == vout->p->display_pool;
979 picture_t *todisplay = filtered;
980 if (do_early_spu && subpic) {
981 picture_t *blent = picture_pool_Get(vout->p->private_pool);
983 VideoFormatCopyCropAr(&blent->format, &filtered->format);
984 picture_Copy(blent, filtered);
985 if (vout->p->spu_blend
986 && picture_BlendSubpicture(blent, vout->p->spu_blend, subpic)) {
987 picture_Release(todisplay);
990 picture_Release(blent);
992 subpicture_Delete(subpic);
996 assert(vout_IsDisplayFiltered(vd) == !sys->display.use_dr);
997 if (sys->display.use_dr && !is_direct) {
998 picture_t *direct = picture_pool_Get(vout->p->display_pool);
1000 picture_Release(todisplay);
1002 subpicture_Delete(subpic);
1003 return VLC_EGENERIC;
1006 /* The display uses direct rendering (no conversion), but its pool of
1007 * pictures is not usable by the decoder (too few, too slow or
1008 * subject to invalidation...). Since there are no filters, copying
1009 * pictures from the decoder to the output is unavoidable. */
1010 VideoFormatCopyCropAr(&direct->format, &todisplay->format);
1011 picture_Copy(direct, todisplay);
1012 picture_Release(todisplay);
1017 * Take a snapshot if requested
1020 vout_snapshot_Set(&vout->p->snapshot, &vd->source, todisplay);
1022 /* Render the direct buffer */
1023 vout_UpdateDisplaySourceProperties(vd, &todisplay->format);
1024 if (sys->display.use_dr) {
1025 vout_display_Prepare(vd, todisplay, subpic);
1027 sys->display.filtered = vout_FilterDisplay(vd, todisplay);
1028 if (sys->display.filtered) {
1029 if (!do_dr_spu && !do_early_spu && vout->p->spu_blend && subpic)
1030 picture_BlendSubpicture(sys->display.filtered, vout->p->spu_blend, subpic);
1031 vout_display_Prepare(vd, sys->display.filtered, do_dr_spu ? subpic : NULL);
1033 if (!do_dr_spu && subpic)
1035 subpicture_Delete(subpic);
1038 if (!sys->display.filtered)
1039 return VLC_EGENERIC;
1042 vout_chrono_Stop(&vout->p->render);
1046 if (((i++)%10) == 0)
1047 msg_Info(vout, "render: avg %d ms var %d ms",
1048 (int)(vout->p->render.avg/1000), (int)(vout->p->render.var/1000));
1052 /* Wait the real date (for rendering jitter) */
1054 mtime_t delay = direct->date - mdate();
1056 msg_Warn(vout, "picture is late (%lld ms)", delay / 1000);
1059 mwait(todisplay->date);
1061 /* Display the direct buffer returned by vout_RenderPicture */
1062 vout->p->displayed.date = mdate();
1063 vout_display_Display(vd,
1064 sys->display.filtered ? sys->display.filtered
1067 sys->display.filtered = NULL;
1069 vout_statistic_AddDisplayed(&vout->p->statistic, 1);
1074 static int ThreadDisplayPicture(vout_thread_t *vout, mtime_t *deadline)
1076 bool frame_by_frame = !deadline;
1077 bool paused = vout->p->pause.is_on;
1078 bool first = !vout->p->displayed.current;
1081 if (ThreadDisplayPreparePicture(vout, true, frame_by_frame)) /* FIXME not sure it is ok */
1082 return VLC_EGENERIC;
1084 if (!paused || frame_by_frame)
1085 while (!vout->p->displayed.next && !ThreadDisplayPreparePicture(vout, false, frame_by_frame))
1088 const mtime_t date = mdate();
1089 const mtime_t render_delay = vout_chrono_GetHigh(&vout->p->render) + VOUT_MWAIT_TOLERANCE;
1091 bool drop_next_frame = frame_by_frame;
1092 mtime_t date_next = VLC_TS_INVALID;
1093 if (!paused && vout->p->displayed.next) {
1094 date_next = vout->p->displayed.next->date - render_delay;
1095 if (date_next /* + 0 FIXME */ <= date)
1096 drop_next_frame = true;
1099 /* FIXME/XXX we must redisplay the last decoded picture (because
1100 * of potential vout updated, or filters update or SPU update)
1101 * For now a high update period is needed but it could be removed
1103 * - vout module emits events from theselves.
1104 * - *and* SPU is modified to emit an event or a deadline when needed.
1106 * So it will be done later.
1108 bool refresh = false;
1110 mtime_t date_refresh = VLC_TS_INVALID;
1111 if (vout->p->displayed.date > VLC_TS_INVALID) {
1112 date_refresh = vout->p->displayed.date + VOUT_REDISPLAY_DELAY - render_delay;
1113 refresh = date_refresh <= date;
1115 bool force_refresh = !drop_next_frame && refresh;
1117 if (!first && !refresh && !drop_next_frame) {
1118 if (!frame_by_frame) {
1119 if (date_refresh != VLC_TS_INVALID)
1120 *deadline = date_refresh;
1121 if (date_next != VLC_TS_INVALID && date_next < *deadline)
1122 *deadline = date_next;
1124 return VLC_EGENERIC;
1127 if (drop_next_frame) {
1128 picture_Release(vout->p->displayed.current);
1129 vout->p->displayed.current = vout->p->displayed.next;
1130 vout->p->displayed.next = NULL;
1133 if (!vout->p->displayed.current)
1134 return VLC_EGENERIC;
1136 /* display the picture immediately */
1137 bool is_forced = frame_by_frame || force_refresh || vout->p->displayed.current->b_force;
1138 int ret = ThreadDisplayRenderPicture(vout, is_forced);
1139 return force_refresh ? VLC_EGENERIC : ret;
1142 static void ThreadDisplaySubpicture(vout_thread_t *vout,
1143 subpicture_t *subpicture)
1145 spu_PutSubpicture(vout->p->spu, subpicture);
1148 static void ThreadFlushSubpicture(vout_thread_t *vout, int channel)
1150 spu_ClearChannel(vout->p->spu, channel);
1153 static void ThreadDisplayOsdTitle(vout_thread_t *vout, const char *string)
1155 if (!vout->p->title.show)
1158 vout_OSDText(vout, SPU_DEFAULT_CHANNEL,
1159 vout->p->title.position, INT64_C(1000) * vout->p->title.timeout,
1163 static void ThreadChangeSubSources(vout_thread_t *vout, const char *filters)
1165 spu_ChangeSources(vout->p->spu, filters);
1168 static void ThreadChangeSubFilters(vout_thread_t *vout, const char *filters)
1170 spu_ChangeFilters(vout->p->spu, filters);
1173 static void ThreadChangeSubMargin(vout_thread_t *vout, int margin)
1175 spu_ChangeMargin(vout->p->spu, margin);
1178 static void ThreadChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
1180 assert(!vout->p->pause.is_on || !is_paused);
1182 if (vout->p->pause.is_on) {
1183 const mtime_t duration = date - vout->p->pause.date;
1185 if (vout->p->step.timestamp > VLC_TS_INVALID)
1186 vout->p->step.timestamp += duration;
1187 if (vout->p->step.last > VLC_TS_INVALID)
1188 vout->p->step.last += duration;
1189 picture_fifo_OffsetDate(vout->p->decoder_fifo, duration);
1190 if (vout->p->displayed.decoded)
1191 vout->p->displayed.decoded->date += duration;
1192 spu_OffsetSubtitleDate(vout->p->spu, duration);
1194 ThreadFilterFlush(vout, false);
1196 vout->p->step.timestamp = VLC_TS_INVALID;
1197 vout->p->step.last = VLC_TS_INVALID;
1199 vout->p->pause.is_on = is_paused;
1200 vout->p->pause.date = date;
1203 static void ThreadFlush(vout_thread_t *vout, bool below, mtime_t date)
1205 vout->p->step.timestamp = VLC_TS_INVALID;
1206 vout->p->step.last = VLC_TS_INVALID;
1208 ThreadFilterFlush(vout, false); /* FIXME too much */
1210 picture_t *last = vout->p->displayed.decoded;
1212 if (( below && last->date <= date) ||
1213 (!below && last->date >= date)) {
1214 picture_Release(last);
1216 vout->p->displayed.decoded = NULL;
1217 vout->p->displayed.date = VLC_TS_INVALID;
1218 vout->p->displayed.timestamp = VLC_TS_INVALID;
1222 picture_fifo_Flush(vout->p->decoder_fifo, date, below);
1225 static void ThreadReset(vout_thread_t *vout)
1227 ThreadFlush(vout, true, INT64_MAX);
1228 if (vout->p->decoder_pool)
1229 picture_pool_NonEmpty(vout->p->decoder_pool, true);
1230 vout->p->pause.is_on = false;
1231 vout->p->pause.date = mdate();
1234 static void ThreadStep(vout_thread_t *vout, mtime_t *duration)
1238 if (vout->p->step.last <= VLC_TS_INVALID)
1239 vout->p->step.last = vout->p->displayed.timestamp;
1241 if (ThreadDisplayPicture(vout, NULL))
1244 vout->p->step.timestamp = vout->p->displayed.timestamp;
1246 if (vout->p->step.last > VLC_TS_INVALID &&
1247 vout->p->step.timestamp > vout->p->step.last) {
1248 *duration = vout->p->step.timestamp - vout->p->step.last;
1249 vout->p->step.last = vout->p->step.timestamp;
1250 /* TODO advance subpicture by the duration ... */
1254 static void ThreadChangeFullscreen(vout_thread_t *vout, bool fullscreen)
1256 vout_SetDisplayFullscreen(vout->p->display.vd, fullscreen);
1259 static void ThreadChangeWindowState(vout_thread_t *vout, unsigned state)
1261 vout_SetWindowState(vout->p->display.vd, state);
1264 static void ThreadChangeDisplayFilled(vout_thread_t *vout, bool is_filled)
1266 vout_SetDisplayFilled(vout->p->display.vd, is_filled);
1269 static void ThreadChangeZoom(vout_thread_t *vout, int num, int den)
1271 if (num * 10 < den) {
1274 } else if (num > den * 10) {
1278 vout_SetDisplayZoom(vout->p->display.vd, num, den);
1281 static void ThreadChangeAspectRatio(vout_thread_t *vout,
1282 unsigned num, unsigned den)
1284 vout_SetDisplayAspect(vout->p->display.vd, num, den);
1288 static void ThreadExecuteCropWindow(vout_thread_t *vout,
1289 unsigned x, unsigned y,
1290 unsigned width, unsigned height)
1292 vout_SetDisplayCrop(vout->p->display.vd, 0, 0,
1293 x, y, width, height);
1295 static void ThreadExecuteCropBorder(vout_thread_t *vout,
1296 unsigned left, unsigned top,
1297 unsigned right, unsigned bottom)
1299 msg_Err(vout, "ThreadExecuteCropBorder %d.%d %dx%d", left, top, right, bottom);
1300 vout_SetDisplayCrop(vout->p->display.vd, 0, 0,
1301 left, top, -(int)right, -(int)bottom);
1304 static void ThreadExecuteCropRatio(vout_thread_t *vout,
1305 unsigned num, unsigned den)
1307 vout_SetDisplayCrop(vout->p->display.vd, num, den,
1311 static int ThreadStart(vout_thread_t *vout, const vout_display_state_t *state)
1313 vlc_mouse_Init(&vout->p->mouse);
1314 vout->p->decoder_fifo = picture_fifo_New();
1315 vout->p->decoder_pool = NULL;
1316 vout->p->display_pool = NULL;
1317 vout->p->private_pool = NULL;
1319 vout->p->filter.configuration = NULL;
1320 video_format_Copy(&vout->p->filter.format, &vout->p->original);
1322 filter_owner_t owner = {
1325 .buffer_new = VoutVideoFilterStaticNewPicture,
1326 .buffer_del = VoutVideoFilterDelPicture,
1329 vout->p->filter.chain_static =
1330 filter_chain_NewVideo( vout, true, &owner );
1332 owner.video.buffer_new = VoutVideoFilterInteractiveNewPicture;
1333 vout->p->filter.chain_interactive =
1334 filter_chain_NewVideo( vout, true, &owner );
1336 vout_display_state_t state_default;
1338 var_Create(vout, "video-wallpaper", VLC_VAR_BOOL|VLC_VAR_DOINHERIT);
1339 VoutGetDisplayCfg(vout, &state_default.cfg, vout->p->display.title);
1341 bool below = var_InheritBool(vout, "video-wallpaper");
1342 bool above = var_CreateGetBool(vout, "video-on-top");
1344 state_default.wm_state = below ? VOUT_WINDOW_STATE_BELOW
1345 : above ? VOUT_WINDOW_STATE_ABOVE
1346 : VOUT_WINDOW_STATE_NORMAL;
1347 state_default.sar.num = 0;
1348 state_default.sar.den = 0;
1350 state = &state_default;
1353 if (vout_OpenWrapper(vout, vout->p->splitter_name, state))
1354 return VLC_EGENERIC;
1355 if (vout_InitWrapper(vout))
1356 return VLC_EGENERIC;
1357 assert(vout->p->decoder_pool);
1359 vout->p->displayed.current = NULL;
1360 vout->p->displayed.next = NULL;
1361 vout->p->displayed.decoded = NULL;
1362 vout->p->displayed.date = VLC_TS_INVALID;
1363 vout->p->displayed.timestamp = VLC_TS_INVALID;
1364 vout->p->displayed.is_interlaced = false;
1366 vout->p->step.last = VLC_TS_INVALID;
1367 vout->p->step.timestamp = VLC_TS_INVALID;
1369 vout->p->spu_blend_chroma = 0;
1370 vout->p->spu_blend = NULL;
1372 video_format_Print(VLC_OBJECT(vout), "original format", &vout->p->original);
1376 static void ThreadStop(vout_thread_t *vout, vout_display_state_t *state)
1378 if (vout->p->spu_blend)
1379 filter_DeleteBlend(vout->p->spu_blend);
1381 /* Destroy translation tables */
1382 if (vout->p->display.vd) {
1383 if (vout->p->decoder_pool) {
1384 ThreadFlush(vout, true, INT64_MAX);
1385 vout_EndWrapper(vout);
1387 vout_CloseWrapper(vout, state);
1390 /* Destroy the video filters2 */
1391 filter_chain_Delete(vout->p->filter.chain_interactive);
1392 filter_chain_Delete(vout->p->filter.chain_static);
1393 video_format_Clean(&vout->p->filter.format);
1394 free(vout->p->filter.configuration);
1396 if (vout->p->decoder_fifo)
1397 picture_fifo_Delete(vout->p->decoder_fifo);
1398 assert(!vout->p->decoder_pool);
1401 static void ThreadInit(vout_thread_t *vout)
1403 vout->p->window.is_unused = true;
1404 vout->p->window.object = NULL;
1405 vout->p->dead = false;
1406 vout->p->is_late_dropped = var_InheritBool(vout, "drop-late-frames");
1407 vout->p->pause.is_on = false;
1408 vout->p->pause.date = VLC_TS_INVALID;
1410 vout_chrono_Init(&vout->p->render, 5, 10000); /* Arbitrary initial time */
1413 static void ThreadClean(vout_thread_t *vout)
1415 if (vout->p->window.object) {
1416 assert(vout->p->window.is_unused);
1417 vout_window_Delete(vout->p->window.object);
1419 vout_chrono_Clean(&vout->p->render);
1420 vout->p->dead = true;
1421 vout_control_Dead(&vout->p->control);
1424 static int ThreadReinit(vout_thread_t *vout,
1425 const vout_configuration_t *cfg)
1427 video_format_t original;
1428 if (VoutValidateFormat(&original, cfg->fmt)) {
1429 ThreadStop(vout, NULL);
1431 return VLC_EGENERIC;
1433 /* We ignore crop/ar changes at this point, they are dynamically supported */
1434 VideoFormatCopyCropAr(&vout->p->original, &original);
1435 if (video_format_IsSimilar(&original, &vout->p->original)) {
1436 if (cfg->dpb_size <= vout->p->dpb_size)
1438 msg_Warn(vout, "DPB need to be increased");
1441 vout_display_state_t state;
1442 memset(&state, 0, sizeof(state));
1444 ThreadStop(vout, &state);
1446 if (!state.cfg.is_fullscreen) {
1447 state.cfg.display.width = 0;
1448 state.cfg.display.height = 0;
1452 /* FIXME current vout "variables" are not in sync here anymore
1453 * and I am not sure what to do */
1455 vout->p->original = original;
1456 vout->p->dpb_size = cfg->dpb_size;
1457 if (ThreadStart(vout, &state)) {
1459 return VLC_EGENERIC;
1464 static int ThreadControl(vout_thread_t *vout, vout_control_cmd_t cmd)
1467 case VOUT_CONTROL_INIT:
1469 if (!ThreadStart(vout, NULL))
1471 case VOUT_CONTROL_CLEAN:
1472 ThreadStop(vout, NULL);
1475 case VOUT_CONTROL_REINIT:
1476 if (ThreadReinit(vout, cmd.u.cfg))
1479 case VOUT_CONTROL_SUBPICTURE:
1480 ThreadDisplaySubpicture(vout, cmd.u.subpicture);
1481 cmd.u.subpicture = NULL;
1483 case VOUT_CONTROL_FLUSH_SUBPICTURE:
1484 ThreadFlushSubpicture(vout, cmd.u.integer);
1486 case VOUT_CONTROL_OSD_TITLE:
1487 ThreadDisplayOsdTitle(vout, cmd.u.string);
1489 case VOUT_CONTROL_CHANGE_FILTERS:
1490 ThreadChangeFilters(vout, NULL, cmd.u.string, false);
1492 case VOUT_CONTROL_CHANGE_SUB_SOURCES:
1493 ThreadChangeSubSources(vout, cmd.u.string);
1495 case VOUT_CONTROL_CHANGE_SUB_FILTERS:
1496 ThreadChangeSubFilters(vout, cmd.u.string);
1498 case VOUT_CONTROL_CHANGE_SUB_MARGIN:
1499 ThreadChangeSubMargin(vout, cmd.u.integer);
1501 case VOUT_CONTROL_PAUSE:
1502 ThreadChangePause(vout, cmd.u.pause.is_on, cmd.u.pause.date);
1504 case VOUT_CONTROL_FLUSH:
1505 ThreadFlush(vout, false, cmd.u.time);
1507 case VOUT_CONTROL_RESET:
1510 case VOUT_CONTROL_STEP:
1511 ThreadStep(vout, cmd.u.time_ptr);
1513 case VOUT_CONTROL_FULLSCREEN:
1514 ThreadChangeFullscreen(vout, cmd.u.boolean);
1516 case VOUT_CONTROL_WINDOW_STATE:
1517 ThreadChangeWindowState(vout, cmd.u.integer);
1519 case VOUT_CONTROL_DISPLAY_FILLED:
1520 ThreadChangeDisplayFilled(vout, cmd.u.boolean);
1522 case VOUT_CONTROL_ZOOM:
1523 ThreadChangeZoom(vout, cmd.u.pair.a, cmd.u.pair.b);
1525 case VOUT_CONTROL_ASPECT_RATIO:
1526 ThreadChangeAspectRatio(vout, cmd.u.pair.a, cmd.u.pair.b);
1528 case VOUT_CONTROL_CROP_RATIO:
1529 ThreadExecuteCropRatio(vout, cmd.u.pair.a, cmd.u.pair.b);
1531 case VOUT_CONTROL_CROP_WINDOW:
1532 ThreadExecuteCropWindow(vout,
1533 cmd.u.window.x, cmd.u.window.y,
1534 cmd.u.window.width, cmd.u.window.height);
1536 case VOUT_CONTROL_CROP_BORDER:
1537 ThreadExecuteCropBorder(vout,
1538 cmd.u.border.left, cmd.u.border.top,
1539 cmd.u.border.right, cmd.u.border.bottom);
1544 vout_control_cmd_Clean(&cmd);
1548 /*****************************************************************************
1549 * Thread: video output thread
1550 *****************************************************************************
1551 * Video output thread. This function does only returns when the thread is
1552 * terminated. It handles the pictures arriving in the video heap and the
1553 * display device events.
1554 *****************************************************************************/
1555 static void *Thread(void *object)
1557 vout_thread_t *vout = object;
1558 vout_thread_sys_t *sys = vout->p;
1560 vout_interlacing_support_t interlacing = {
1561 .is_interlaced = false,
1565 mtime_t deadline = VLC_TS_INVALID;
1567 vout_control_cmd_t cmd;
1568 /* FIXME remove thoses ugly timeouts */
1569 while (!vout_control_Pop(&sys->control, &cmd, deadline, 100000))
1570 if (ThreadControl(vout, cmd))
1573 vlc_mutex_lock(&sys->picture_lock);
1575 deadline = VLC_TS_INVALID;
1576 while (!ThreadDisplayPicture(vout, &deadline))
1579 const bool picture_interlaced = sys->displayed.is_interlaced;
1581 vlc_mutex_unlock(&sys->picture_lock);
1583 vout_SetInterlacingState(vout, &interlacing, picture_interlaced);
1584 vout_ManageWrapper(vout);