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 the VideoLAN team
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
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
28 *****************************************************************************/
30 /*****************************************************************************
32 *****************************************************************************/
37 #include <vlc_common.h>
39 #include <stdlib.h> /* free() */
45 #include <vlc_filter.h>
49 #include <vlc_input.h>
50 #include "vout_pictures.h"
51 #include "vout_internal.h"
53 /*****************************************************************************
55 *****************************************************************************/
56 static void *Thread(void *);
57 static void vout_Destructor(vlc_object_t *);
59 /* Object variables callbacks */
60 static int FilterCallback( vlc_object_t *, char const *,
61 vlc_value_t, vlc_value_t, void * );
62 static int VideoFilter2Callback( vlc_object_t *, char const *,
63 vlc_value_t, vlc_value_t, void * );
66 static void PostProcessEnable( vout_thread_t * );
67 static void PostProcessDisable( vout_thread_t * );
68 static void PostProcessSetFilterQuality( vout_thread_t *p_vout );
69 static int PostProcessCallback( vlc_object_t *, char const *,
70 vlc_value_t, vlc_value_t, void * );
72 static void DeinterlaceEnable( vout_thread_t * );
73 static void DeinterlaceNeeded( vout_thread_t *, bool );
75 /* Display media title in OSD */
76 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
79 static void PrintVideoFormat(vout_thread_t *, const char *, const video_format_t *);
81 /* Maximum delay between 2 displayed pictures.
82 * XXX it is needed for now but should be removed in the long term.
84 #define VOUT_REDISPLAY_DELAY (INT64_C(80000))
87 * Late pictures having a delay higher than this value are thrashed.
89 #define VOUT_DISPLAY_LATE_THRESHOLD (INT64_C(20000))
91 /* Better be in advance when awakening than late... */
92 #define VOUT_MWAIT_TOLERANCE (INT64_C(1000))
94 /*****************************************************************************
95 * Video Filter2 functions
96 *****************************************************************************/
97 static picture_t *video_new_buffer_filter( filter_t *p_filter )
99 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
100 return picture_pool_Get(p_vout->p->private_pool);
103 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
105 VLC_UNUSED(p_filter);
106 picture_Release(p_pic);
109 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
111 p_filter->pf_video_buffer_new = video_new_buffer_filter;
112 p_filter->pf_video_buffer_del = video_del_buffer_filter;
113 p_filter->p_owner = p_data; /* p_vout */
118 /*****************************************************************************
119 * vout_Request: find a video output thread, create one, or destroy one.
120 *****************************************************************************
121 * This function looks for a video output thread matching the current
122 * properties. If not found, it spawns a new one.
123 *****************************************************************************/
124 vout_thread_t *vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
125 video_format_t *p_fmt )
129 /* Video output is no longer used.
130 * TODO: support for reusing video outputs with proper _thread-safe_
131 * reference handling. */
133 vout_CloseAndRelease( p_vout );
137 /* If a video output was provided, lock it, otherwise look for one. */
140 vlc_object_hold( p_vout );
143 /* TODO: find a suitable unused video output */
145 /* If we now have a video output, check it has the right properties */
148 vlc_mutex_lock( &p_vout->p->change_lock );
150 /* We don't directly check for the "vout-filter" variable for obvious
151 * performance reasons. */
152 if( p_vout->p->b_filter_change )
154 char *psz_filter_chain = var_GetString( p_vout, "vout-filter" );
156 if( psz_filter_chain && !*psz_filter_chain )
158 free( psz_filter_chain );
159 psz_filter_chain = NULL;
161 if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
163 free( p_vout->p->psz_filter_chain );
164 p_vout->p->psz_filter_chain = NULL;
167 if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
169 p_vout->p->b_filter_change = false;
172 free( psz_filter_chain );
175 #warning "FIXME: Check RGB masks in vout_Request"
176 /* FIXME: check RGB masks */
177 if( p_vout->fmt_render.i_chroma != vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma ) ||
178 p_vout->fmt_render.i_width != p_fmt->i_width ||
179 p_vout->fmt_render.i_height != p_fmt->i_height ||
180 p_vout->p->b_filter_change )
182 vlc_mutex_unlock( &p_vout->p->change_lock );
184 /* We are not interested in this format, close this vout */
185 vout_CloseAndRelease( p_vout );
186 vlc_object_release( p_vout );
191 /* This video output is cool! Hijack it. */
192 /* Correct aspect ratio on change
193 * FIXME factorize this code with other aspect ration related code */
194 unsigned int i_sar_num;
195 unsigned int i_sar_den;
196 vlc_ureduce( &i_sar_num, &i_sar_den,
197 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
199 /* What's that, it does not seems to be used correcly everywhere */
200 if( p_vout->i_par_num > 0 && p_vout->i_par_den > 0 )
202 i_sar_num *= p_vout->i_par_den;
203 i_sar_den *= p_vout->i_par_num;
207 if( i_sar_num > 0 && i_sar_den > 0 &&
208 ( i_sar_num != p_vout->fmt_render.i_sar_num ||
209 i_sar_den != p_vout->fmt_render.i_sar_den ) )
211 p_vout->fmt_in.i_sar_num = i_sar_num;
212 p_vout->fmt_in.i_sar_den = i_sar_den;
214 p_vout->fmt_render.i_sar_num = i_sar_num;
215 p_vout->fmt_render.i_sar_den = i_sar_den;
216 p_vout->p->i_changes |= VOUT_ASPECT_CHANGE;
218 vlc_mutex_unlock( &p_vout->p->change_lock );
220 vlc_object_release( p_vout );
225 msg_Dbg( p_this, "reusing provided vout" );
227 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
228 vlc_object_detach( p_vout );
230 vlc_object_attach( p_vout, p_this );
231 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
237 msg_Dbg( p_this, "no usable vout present, spawning one" );
239 p_vout = vout_Create( p_this, p_fmt );
245 /*****************************************************************************
246 * vout_Create: creates a new video output thread
247 *****************************************************************************
248 * This function creates a new video output thread, and returns a pointer
249 * to its description. On error, it returns NULL.
250 *****************************************************************************/
251 vout_thread_t * (vout_Create)( vlc_object_t *p_parent, video_format_t *p_fmt )
253 vout_thread_t *p_vout; /* thread descriptor */
257 config_chain_t *p_cfg;
261 if( p_fmt->i_width <= 0 || p_fmt->i_height <= 0 )
263 const vlc_fourcc_t i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma );
265 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
266 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
267 if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
270 /* Allocate descriptor */
271 static const char typename[] = "video output";
272 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
278 p_vout->p = calloc( 1, sizeof(*p_vout->p) );
281 vlc_object_release( p_vout );
286 p_vout->fmt_render = *p_fmt; /* FIXME palette */
287 p_vout->fmt_in = *p_fmt; /* FIXME palette */
289 p_vout->fmt_render.i_chroma =
290 p_vout->fmt_in.i_chroma = i_chroma;
291 video_format_FixRgb( &p_vout->fmt_render );
292 video_format_FixRgb( &p_vout->fmt_in );
294 /* Initialize misc stuff */
295 p_vout->p->i_changes = 0;
296 p_vout->p->b_fullscreen = 0;
297 vout_chrono_Init( &p_vout->p->render, 5, 10000 ); /* Arbitrary initial time */
298 vout_statistic_Init( &p_vout->p->statistic );
299 p_vout->p->b_filter_change = 0;
300 p_vout->p->i_par_num =
301 p_vout->p->i_par_den = 1;
302 p_vout->p->is_late_dropped = var_InheritBool( p_vout, "drop-late-frames" );
303 p_vout->p->b_picture_empty = false;
304 p_vout->p->displayed.date = VLC_TS_INVALID;
305 p_vout->p->displayed.decoded = NULL;
306 p_vout->p->displayed.timestamp = VLC_TS_INVALID;
307 p_vout->p->displayed.qtype = QTYPE_NONE;
308 p_vout->p->displayed.is_interlaced = false;
310 p_vout->p->step.is_requested = false;
311 p_vout->p->step.last = VLC_TS_INVALID;
312 p_vout->p->step.timestamp = VLC_TS_INVALID;
314 p_vout->p->pause.is_on = false;
315 p_vout->p->pause.date = VLC_TS_INVALID;
317 p_vout->p->decoder_fifo = picture_fifo_New();
318 p_vout->p->decoder_pool = NULL;
320 vlc_mouse_Init( &p_vout->p->mouse );
322 vout_snapshot_Init( &p_vout->p->snapshot );
324 /* Initialize locks */
325 vlc_mutex_init( &p_vout->p->picture_lock );
326 vlc_cond_init( &p_vout->p->picture_wait );
327 vlc_mutex_init( &p_vout->p->change_lock );
328 vlc_mutex_init( &p_vout->p->vfilter_lock );
330 /* Mouse coordinates */
331 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
332 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
333 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
334 /* Mouse object (area of interest in a video filter) */
335 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
337 /* Attach the new object now so we can use var inheritance below */
338 vlc_object_attach( p_vout, p_parent );
340 /* Initialize subpicture unit */
341 p_vout->p->p_spu = spu_Create( p_vout );
344 spu_Init( p_vout->p->p_spu );
346 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
348 /* Take care of some "interface/control" related initialisations */
349 vout_IntfInit( p_vout );
351 /* If the parent is not a VOUT object, that means we are at the start of
352 * the video output pipe */
353 if( vlc_internals( p_parent )->i_object_type != VLC_OBJECT_VOUT )
355 /* Look for the default filter configuration */
356 p_vout->p->psz_filter_chain =
357 var_CreateGetStringCommand( p_vout, "vout-filter" );
359 /* Apply video filter2 objects on the first vout */
361 var_CreateGetStringCommand( p_vout, "video-filter" );
363 p_vout->p->b_first_vout = true;
367 /* continue the parent's filter chain */
370 /* Ugly hack to jump to our configuration chain */
371 p_vout->p->psz_filter_chain
372 = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
373 p_vout->p->psz_filter_chain
374 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
375 config_ChainDestroy( p_cfg );
378 /* Create a video filter2 var ... but don't inherit values */
379 var_Create( p_vout, "video-filter",
380 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
381 p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
384 p_vout->p->b_first_vout = false;
387 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
388 p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
389 false, video_filter_buffer_allocation_init, NULL, p_vout );
391 /* Choose the video output module */
392 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
398 psz_parser = strdup( p_vout->p->psz_filter_chain );
399 p_vout->p->title.show = false;
402 /* Create the vout thread */
403 char *psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
406 p_vout->p->p_cfg = p_cfg;
408 /* Create a few object variables for interface interaction */
409 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
410 text.psz_string = _("Filters");
411 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
412 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
415 DeinterlaceEnable( p_vout );
417 if( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain )
420 if( asprintf( &psz_tmp, "%s,none", psz_name ) < 0 )
421 psz_tmp = strdup( "" );
425 p_vout->p->psz_module_name = psz_name;
428 vlc_object_set_destructor( p_vout, vout_Destructor );
431 vlc_cond_init( &p_vout->p->change_wait );
432 if( vlc_clone( &p_vout->p->thread, Thread, p_vout,
433 VLC_THREAD_PRIORITY_OUTPUT ) )
435 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
436 spu_Destroy( p_vout->p->p_spu );
437 p_vout->p->p_spu = NULL;
438 vlc_object_release( p_vout );
442 vlc_mutex_lock( &p_vout->p->change_lock );
443 while( !p_vout->p->b_ready )
444 { /* We are (ab)using the same condition in opposite directions for
445 * b_ready and b_done. This works because of the strict ordering. */
446 assert( !p_vout->p->b_done );
447 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->p->change_lock );
449 vlc_mutex_unlock( &p_vout->p->change_lock );
451 if( p_vout->p->b_error )
453 msg_Err( p_vout, "video output creation failed" );
454 vout_CloseAndRelease( p_vout );
461 /*****************************************************************************
462 * vout_Close: Close a vout created by vout_Create.
463 *****************************************************************************
464 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
465 * You should NEVER call it on vout not obtained through vout_Create
466 * (like with vout_Request or vlc_object_find.)
467 * You can use vout_CloseAndRelease() as a convenience method.
468 *****************************************************************************/
469 void vout_Close( vout_thread_t *p_vout )
473 vlc_mutex_lock( &p_vout->p->change_lock );
474 p_vout->p->b_done = true;
475 vlc_cond_signal( &p_vout->p->change_wait );
476 vlc_mutex_unlock( &p_vout->p->change_lock );
478 vout_snapshot_End( &p_vout->p->snapshot );
480 vlc_join( p_vout->p->thread, NULL );
484 static void vout_Destructor( vlc_object_t * p_this )
486 vout_thread_t *p_vout = (vout_thread_t *)p_this;
488 /* Make sure the vout was stopped first */
489 //assert( !p_vout->p_module );
491 free( p_vout->p->psz_module_name );
494 if( p_vout->p->p_spu )
495 spu_Destroy( p_vout->p->p_spu );
497 vout_chrono_Clean( &p_vout->p->render );
499 if( p_vout->p->decoder_fifo )
500 picture_fifo_Delete( p_vout->p->decoder_fifo );
501 assert( !p_vout->p->decoder_pool );
503 /* Destroy the locks */
504 vlc_cond_destroy( &p_vout->p->change_wait );
505 vlc_cond_destroy( &p_vout->p->picture_wait );
506 vlc_mutex_destroy( &p_vout->p->picture_lock );
507 vlc_mutex_destroy( &p_vout->p->change_lock );
508 vlc_mutex_destroy( &p_vout->p->vfilter_lock );
511 vout_statistic_Clean( &p_vout->p->statistic );
514 vout_snapshot_Clean( &p_vout->p->snapshot );
517 free( p_vout->p->psz_filter_chain );
518 free( p_vout->p->title.value );
520 config_ChainDestroy( p_vout->p->p_cfg );
527 void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
529 vlc_mutex_lock( &p_vout->p->change_lock );
531 assert( !p_vout->p->pause.is_on || !b_paused );
533 vlc_mutex_lock( &p_vout->p->picture_lock );
535 if( p_vout->p->pause.is_on )
537 const mtime_t i_duration = i_date - p_vout->p->pause.date;
539 if (p_vout->p->step.timestamp > VLC_TS_INVALID)
540 p_vout->p->step.timestamp += i_duration;
542 p_vout->p->step.last = p_vout->p->step.timestamp;
543 picture_fifo_OffsetDate( p_vout->p->decoder_fifo, i_duration );
544 if (p_vout->p->displayed.decoded)
545 p_vout->p->displayed.decoded->date += i_duration;
547 vlc_cond_signal( &p_vout->p->picture_wait );
548 vlc_mutex_unlock( &p_vout->p->picture_lock );
550 spu_OffsetSubtitleDate( p_vout->p->p_spu, i_duration );
555 p_vout->p->step.last = p_vout->p->step.timestamp;
556 vlc_mutex_unlock( &p_vout->p->picture_lock );
558 p_vout->p->pause.is_on = b_paused;
559 p_vout->p->pause.date = i_date;
561 vlc_mutex_unlock( &p_vout->p->change_lock );
564 void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
566 vout_statistic_GetReset( &p_vout->p->statistic,
567 pi_displayed, pi_lost );
570 static void Flush(vout_thread_t *vout, mtime_t date, bool reset, bool below)
572 vlc_assert_locked(&vout->p->picture_lock);
573 vout->p->step.timestamp = VLC_TS_INVALID;
574 vout->p->step.last = VLC_TS_INVALID;
576 picture_t *last = vout->p->displayed.decoded;
579 picture_Release(last);
580 vout->p->displayed.decoded = NULL;
581 } else if (( below && last->date <= date) ||
582 (!below && last->date >= date)) {
583 vout->p->step.is_requested = true;
586 picture_fifo_Flush( vout->p->decoder_fifo, date, below );
589 void vout_Flush(vout_thread_t *vout, mtime_t date)
591 vlc_mutex_lock(&vout->p->picture_lock);
593 Flush(vout, date, false, false);
595 vlc_cond_signal(&vout->p->picture_wait);
596 vlc_mutex_unlock(&vout->p->picture_lock);
599 void vout_Reset(vout_thread_t *vout)
601 vlc_mutex_lock(&vout->p->picture_lock);
603 Flush(vout, INT64_MAX, true, true);
604 if (vout->p->decoder_pool)
605 picture_pool_NonEmpty(vout->p->decoder_pool, true);
606 vout->p->pause.is_on = false;
607 vout->p->pause.date = mdate();
609 vlc_cond_signal( &vout->p->picture_wait );
610 vlc_mutex_unlock(&vout->p->picture_lock);
613 void vout_FixLeaks( vout_thread_t *vout )
615 vlc_mutex_lock(&vout->p->picture_lock);
617 picture_t *picture = picture_fifo_Peek(vout->p->decoder_fifo);
619 picture = picture_pool_Get(vout->p->decoder_pool);
623 picture_Release(picture);
624 /* Not all pictures has been displayed yet or some are
626 vlc_mutex_unlock(&vout->p->picture_lock);
630 /* There is no reason that no pictures are available, force one
631 * from the pool, becarefull with it though */
632 msg_Err(vout, "pictures leaked, trying to workaround");
635 picture_pool_NonEmpty(vout->p->decoder_pool, false);
637 vlc_cond_signal(&vout->p->picture_wait);
638 vlc_mutex_unlock(&vout->p->picture_lock);
640 void vout_NextPicture(vout_thread_t *vout, mtime_t *duration)
642 vlc_mutex_lock(&vout->p->picture_lock);
644 vout->p->b_picture_empty = false;
645 vout->p->step.is_requested = true;
647 /* FIXME I highly doubt that it can works with only one cond_t FIXME */
648 vlc_cond_signal(&vout->p->picture_wait);
650 while (vout->p->step.is_requested && !vout->p->b_picture_empty)
651 vlc_cond_wait(&vout->p->picture_wait, &vout->p->picture_lock);
653 if (vout->p->step.last > VLC_TS_INVALID &&
654 vout->p->step.timestamp > vout->p->step.last) {
655 *duration = vout->p->step.timestamp - vout->p->step.last;
656 vout->p->step.last = vout->p->step.timestamp;
661 /* TODO advance subpicture by the duration ... */
662 vlc_mutex_unlock(&vout->p->picture_lock);
665 void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
669 if( !var_InheritBool( p_vout, "osd" ) )
672 vlc_mutex_lock( &p_vout->p->change_lock );
673 free( p_vout->p->title.value );
674 p_vout->p->title.value = strdup( psz_title );
675 vlc_mutex_unlock( &p_vout->p->change_lock );
678 spu_t *vout_GetSpu( vout_thread_t *p_vout )
680 return p_vout->p->p_spu;
683 /*****************************************************************************
684 * InitThread: initialize video output thread
685 *****************************************************************************
686 * This function is called from Thread and performs the second step of the
687 * initialization. It returns 0 on success. Note that the thread's flag are not
688 * modified inside this function.
689 * XXX You have to enter it with change_lock taken.
690 *****************************************************************************/
691 static int ThreadInit(vout_thread_t *vout)
693 /* Initialize output method, it allocates direct buffers for us */
694 if (vout_InitWrapper(vout))
696 assert(vout->p->decoder_pool);
698 vout->p->displayed.decoded = NULL;
700 /* print some usefull debug info about different vout formats
702 PrintVideoFormat(vout, "pic render", &vout->fmt_render);
703 PrintVideoFormat(vout, "pic in", &vout->fmt_in);
704 PrintVideoFormat(vout, "pic out", &vout->fmt_out);
706 assert(vout->fmt_out.i_width == vout->fmt_render.i_width &&
707 vout->fmt_out.i_height == vout->fmt_render.i_height &&
708 vout->fmt_out.i_chroma == vout->fmt_render.i_chroma);
712 /*****************************************************************************
713 * CleanThread: clean up after InitThread
714 *****************************************************************************
715 * This function is called after a sucessful
716 * initialization. It frees all resources allocated by InitThread.
717 * XXX You have to enter it with change_lock taken.
718 *****************************************************************************/
719 static void ThreadClean(vout_thread_t *vout)
721 /* Destroy translation tables */
722 if (!vout->p->b_error) {
723 picture_fifo_Flush(vout->p->decoder_fifo, INT64_MAX, false);
724 vout_EndWrapper(vout);
728 static int ThreadDisplayPicture(vout_thread_t *vout,
729 bool now, mtime_t *deadline)
731 int displayed_count = 0;
735 const mtime_t date = mdate();
736 const bool is_paused = vout->p->pause.is_on;
737 bool redisplay = is_paused && !now;
740 /* FIXME/XXX we must redisplay the last decoded picture (because
741 * of potential vout updated, or filters update or SPU update)
742 * For now a high update period is needed but it coulmd be removed
744 * - vout module emits events from theselves.
745 * - *and* SPU is modified to emit an event or a deadline when needed.
747 * So it will be done latter.
750 picture_t *peek = picture_fifo_Peek(vout->p->decoder_fifo);
752 is_forced = peek->b_force || is_paused || now;
753 *deadline = (is_forced ? date : peek->date) - vout_chrono_GetHigh(&vout->p->render);
754 picture_Release(peek);
760 /* FIXME a better way for this delay is needed */
761 const mtime_t date_update = vout->p->displayed.date + VOUT_REDISPLAY_DELAY;
762 if (date_update > date || !vout->p->displayed.decoded) {
763 *deadline = vout->p->displayed.decoded ? date_update : VLC_TS_INVALID;
768 *deadline = date - vout_chrono_GetHigh(&vout->p->render);
770 if (*deadline > VOUT_MWAIT_TOLERANCE)
771 *deadline -= VOUT_MWAIT_TOLERANCE;
773 /* If we are too early and can wait, do it */
774 if (date < *deadline && !now)
779 decoded = vout->p->displayed.decoded;
780 vout->p->displayed.decoded = NULL;
782 decoded = picture_fifo_Pop(vout->p->decoder_fifo);
784 if (!is_forced && !vout->p->is_late_dropped) {
785 const mtime_t predicted = date + vout_chrono_GetLow(&vout->p->render);
786 const mtime_t late = predicted - decoded->date;
788 msg_Dbg(vout, "picture might be displayed late (missing %d ms)", (int)(late/1000));
789 if (late > VOUT_DISPLAY_LATE_THRESHOLD) {
790 msg_Warn(vout, "rejected picture because of render time");
792 picture_Release(decoded);
799 vout->p->displayed.is_interlaced = !decoded->b_progressive;
800 vout->p->displayed.qtype = decoded->i_qtype;
802 vout->p->displayed.timestamp = decoded->date;
805 if (vout->p->displayed.decoded)
806 picture_Release(vout->p->displayed.decoded);
807 picture_Hold(decoded);
808 vout->p->displayed.decoded = decoded;
811 vout_chrono_Start(&vout->p->render);
813 picture_t *filtered = NULL;
815 vlc_mutex_lock(&vout->p->vfilter_lock);
816 filtered = filter_chain_VideoFilter(vout->p->p_vf2_chain, decoded);
817 //assert(filtered == decoded); // TODO implement
818 vlc_mutex_unlock(&vout->p->vfilter_lock);
824 * Check for subpictures to display
826 const bool do_snapshot = vout_snapshot_IsRequested(&vout->p->snapshot);
827 mtime_t spu_render_time = is_forced ? mdate() : filtered->date;
828 if (vout->p->pause.is_on)
829 spu_render_time = vout->p->pause.date;
831 spu_render_time = filtered->date > 1 ? filtered->date : mdate();
833 subpicture_t *subpic = spu_SortSubpictures(vout->p->p_spu,
840 * - be sure to end up with a direct buffer.
841 * - blend subtitles, and in a fast access buffer
843 picture_t *direct = NULL;
845 (vout->p->decoder_pool != vout->p->display_pool || subpic)) {
847 if (vout->p->is_decoder_pool_slow)
848 render = picture_NewFromFormat(&vout->fmt_out);
849 else if (vout->p->decoder_pool != vout->p->display_pool)
850 render = picture_pool_Get(vout->p->display_pool);
852 render = picture_pool_Get(vout->p->private_pool);
855 picture_Copy(render, filtered);
857 spu_RenderSubpictures(vout->p->p_spu,
858 render, &vout->fmt_out,
859 subpic, &vout->fmt_in, spu_render_time);
861 if (vout->p->is_decoder_pool_slow) {
862 direct = picture_pool_Get(vout->p->display_pool);
864 picture_Copy(direct, render);
865 picture_Release(render);
870 picture_Release(filtered);
877 * Take a snapshot if requested
879 if (direct && do_snapshot)
880 vout_snapshot_Set(&vout->p->snapshot, &vout->fmt_out, direct);
882 /* Render the direct buffer returned by vout_RenderPicture */
884 vout_RenderWrapper(vout, direct);
886 vout_chrono_Stop(&vout->p->render);
891 msg_Info(vout, "render: avg %d ms var %d ms",
892 (int)(vout->p->render.avg/1000), (int)(vout->p->render.var/1000));
897 /* Wait the real date (for rendering jitter) */
899 mwait(decoded->date);
901 /* Display the direct buffer returned by vout_RenderPicture */
902 vout->p->displayed.date = mdate();
904 vout_DisplayWrapper(vout, direct);
910 vout_statistic_Update(&vout->p->statistic, displayed_count, lost_count);
911 if (displayed_count <= 0)
916 /*****************************************************************************
917 * Thread: video output thread
918 *****************************************************************************
919 * Video output thread. This function does only returns when the thread is
920 * terminated. It handles the pictures arriving in the video heap and the
921 * display device events.
922 *****************************************************************************/
923 static void *Thread(void *object)
925 vout_thread_t *vout = object;
931 has_wrapper = !vout_OpenWrapper(vout, vout->p->psz_module_name);
933 vlc_mutex_lock(&vout->p->change_lock);
936 vout->p->b_error = ThreadInit(vout);
938 vout->p->b_error = true;
940 /* signal the creation of the vout */
941 vout->p->b_ready = true;
942 vlc_cond_signal(&vout->p->change_wait);
944 if (vout->p->b_error)
948 bool last_picture_interlaced = false;
949 int last_picture_qtype = QTYPE_NONE;
950 mtime_t last_picture_interlaced_date = mdate();
953 * Main loop - it is not executed if an error occurred during
956 while (!vout->p->b_done && !vout->p->b_error) {
958 if(vout->p->title.show && vout->p->title.value)
959 DisplayTitleOnOSD(vout);
961 vlc_mutex_lock(&vout->p->picture_lock);
963 mtime_t deadline = VLC_TS_INVALID;
964 bool has_displayed = !ThreadDisplayPicture(vout, vout->p->step.is_requested, &deadline);
967 vout->p->step.timestamp = vout->p->displayed.timestamp;
968 if (vout->p->step.last <= VLC_TS_INVALID)
969 vout->p->step.last = vout->p->step.timestamp;
971 if (vout->p->step.is_requested) {
972 if (!has_displayed && !vout->p->b_picture_empty) {
973 picture_t *peek = picture_fifo_Peek(vout->p->decoder_fifo);
975 picture_Release(peek);
977 vout->p->b_picture_empty = true;
978 vlc_cond_signal(&vout->p->picture_wait);
982 vout->p->step.is_requested = false;
983 vlc_cond_signal(&vout->p->picture_wait);
987 const int picture_qtype = vout->p->displayed.qtype;
988 const bool picture_interlaced = vout->p->displayed.is_interlaced;
990 vlc_mutex_unlock(&vout->p->picture_lock);
992 if (vout_ManageWrapper(vout)) {
993 /* A fatal error occurred, and the thread must terminate
994 * immediately, without displaying anything - setting b_error to 1
995 * causes the immediate end of the main while() loop. */
997 vout->p->b_error = true;
1001 /* Post processing */
1002 const int postproc_change = (picture_qtype != QTYPE_NONE) - (last_picture_qtype != QTYPE_NONE);
1003 if (postproc_change == 1)
1004 PostProcessEnable(vout);
1005 else if (postproc_change == -1)
1006 PostProcessDisable(vout);
1007 if (postproc_change)
1008 last_picture_qtype = picture_qtype;
1011 * Wait 30s before quiting interlacing mode */
1012 const int interlacing_change = (!!picture_interlaced) - (!!last_picture_interlaced);
1013 if ((interlacing_change == 1) ||
1014 (interlacing_change == -1 && last_picture_interlaced_date + 30000000 < mdate())) {
1015 DeinterlaceNeeded(vout, picture_interlaced);
1016 last_picture_interlaced = picture_interlaced;
1018 if (picture_interlaced)
1019 last_picture_interlaced_date = mdate();
1021 /* Check for "video filter2" changes */
1022 vlc_mutex_lock(&vout->p->vfilter_lock);
1023 if (vout->p->psz_vf2) {
1026 es_format_Init(&fmt, VIDEO_ES, vout->fmt_render.i_chroma);
1027 fmt.video = vout->fmt_render;
1028 filter_chain_Reset(vout->p->p_vf2_chain, &fmt, &fmt);
1030 if (filter_chain_AppendFromString(vout->p->p_vf2_chain,
1031 vout->p->psz_vf2) < 0)
1032 msg_Err(vout, "Video filter chain creation failed");
1034 free(vout->p->psz_vf2);
1035 vout->p->psz_vf2 = NULL;
1037 if (last_picture_qtype != QTYPE_NONE)
1038 PostProcessSetFilterQuality(vout);
1040 vlc_mutex_unlock(&vout->p->vfilter_lock);
1042 vlc_mutex_unlock(&vout->p->change_lock);
1044 if (deadline > VLC_TS_INVALID) {
1045 vlc_mutex_lock(&vout->p->picture_lock);
1046 vlc_cond_timedwait(&vout->p->picture_wait, &vout->p->picture_lock, deadline);
1047 vlc_mutex_unlock(&vout->p->picture_lock);
1050 vlc_mutex_lock(&vout->p->change_lock);
1054 * Error loop - wait until the thread destruction is requested
1056 * XXX I wonder if we should periodically clean the decoder_fifo
1057 * or have a way to prevent it filling up.
1059 while (vout->p->b_error && !vout->p->b_done)
1060 vlc_cond_wait(&vout->p->change_wait, &vout->p->change_lock);
1066 /* Detach subpicture unit from both input and vout */
1067 spu_Attach(vout->p->p_spu, VLC_OBJECT(vout), false);
1068 vlc_object_detach(vout->p->p_spu);
1070 /* Destroy the video filters2 */
1071 filter_chain_Delete(vout->p->p_vf2_chain);
1073 vlc_mutex_unlock(&vout->p->change_lock);
1076 vout_CloseWrapper(vout);
1081 /*****************************************************************************
1082 * object variables callbacks: a bunch of object variables are used by the
1083 * interfaces to interact with the vout.
1084 *****************************************************************************/
1085 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1086 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1088 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1089 input_thread_t *p_input;
1090 (void)psz_cmd; (void)oldval; (void)p_data;
1092 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1096 msg_Err( p_vout, "Input not found" );
1097 return VLC_EGENERIC;
1100 var_SetBool( p_vout, "intf-change", true );
1102 /* Modify input as well because the vout might have to be restarted */
1103 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1104 var_SetString( p_input, "vout-filter", newval.psz_string );
1106 /* Now restart current video stream */
1107 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1108 vlc_object_release( p_input );
1113 /*****************************************************************************
1114 * Video Filter2 stuff
1115 *****************************************************************************/
1116 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1117 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1119 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1120 (void)psz_cmd; (void)oldval; (void)p_data;
1122 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1123 p_vout->p->psz_vf2 = strdup( newval.psz_string );
1124 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1129 /*****************************************************************************
1131 *****************************************************************************/
1132 static bool PostProcessIsPresent( const char *psz_filter )
1134 const char *psz_pp = "postproc";
1135 const size_t i_pp = strlen(psz_pp);
1136 return psz_filter &&
1137 !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) &&
1138 ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' );
1141 static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd,
1142 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1144 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1145 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1147 static const char *psz_pp = "postproc";
1149 char *psz_vf2 = var_GetString( p_vout, "video-filter" );
1151 if( newval.i_int <= 0 )
1153 if( PostProcessIsPresent( psz_vf2 ) )
1155 strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] );
1156 if( *psz_vf2 == ':' )
1157 strcpy( psz_vf2, &psz_vf2[1] );
1162 if( !PostProcessIsPresent( psz_vf2 ) )
1166 char *psz_tmp = psz_vf2;
1167 if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 )
1174 psz_vf2 = strdup( psz_pp );
1180 var_SetString( p_vout, "video-filter", psz_vf2 );
1186 static void PostProcessEnable( vout_thread_t *p_vout )
1189 msg_Dbg( p_vout, "Post-processing available" );
1190 var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
1191 text.psz_string = _("Post processing");
1192 var_Change( p_vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL );
1194 for( int i = 0; i <= 6; i++ )
1201 snprintf( psz_text, sizeof(psz_text), "%d", i );
1203 text.psz_string = _("Disable");
1205 text.psz_string = psz_text;
1206 var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text );
1208 var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL );
1211 char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" );
1212 int i_postproc_q = 0;
1213 if( PostProcessIsPresent( psz_filter ) )
1214 i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" );
1216 var_SetInteger( p_vout, "postprocess", i_postproc_q );
1220 static void PostProcessDisable( vout_thread_t *p_vout )
1222 msg_Dbg( p_vout, "Post-processing no more available" );
1223 var_Destroy( p_vout, "postprocess" );
1225 static void PostProcessSetFilterQuality( vout_thread_t *p_vout )
1227 vlc_object_t *p_pp = vlc_object_find_name( p_vout, "postproc", FIND_CHILD );
1231 var_SetInteger( p_pp, "postproc-q", var_GetInteger( p_vout, "postprocess" ) );
1232 vlc_object_release( p_pp );
1236 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1238 const mtime_t i_start = mdate();
1239 const mtime_t i_stop = i_start + INT64_C(1000) * p_vout->p->title.timeout;
1241 if( i_stop <= i_start )
1244 vlc_assert_locked( &p_vout->p->change_lock );
1246 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1247 p_vout->p->title.value, NULL,
1248 p_vout->p->title.position,
1249 30 + p_vout->fmt_in.i_width
1250 - p_vout->fmt_in.i_visible_width
1251 - p_vout->fmt_in.i_x_offset,
1252 20 + p_vout->fmt_in.i_y_offset,
1255 free( p_vout->p->title.value );
1257 p_vout->p->title.value = NULL;
1260 /*****************************************************************************
1262 *****************************************************************************/
1265 const char *psz_mode;
1267 } deinterlace_mode_t;
1270 * You can use the non vout filter if and only if the video properties stay the
1271 * same (width/height/chroma/fps), at least for now.
1273 static const deinterlace_mode_t p_deinterlace_mode[] = {
1275 //{ "discard", true },
1279 //{ "linear", true },
1281 //{ "yadif", true },
1282 //{ "yadif2x", true },
1285 static const deinterlace_mode_t *DeinterlaceGetMode( const char *psz_mode )
1287 for( const deinterlace_mode_t *p_mode = &p_deinterlace_mode[0]; p_mode->psz_mode; p_mode++ )
1289 if( !strcmp( p_mode->psz_mode, psz_mode ) )
1295 static char *FilterFind( char *psz_filter_base, const char *psz_module )
1297 const size_t i_module = strlen( psz_module );
1298 const char *psz_filter = psz_filter_base;
1300 if( !psz_filter || i_module <= 0 )
1305 char *psz_find = strstr( psz_filter, psz_module );
1308 if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' )
1310 psz_filter = &psz_find[i_module];
1314 static bool DeinterlaceIsPresent( vout_thread_t *p_vout, bool b_vout_filter )
1316 char *psz_filter = var_GetNonEmptyString( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1318 bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL;
1325 static void DeinterlaceRemove( vout_thread_t *p_vout, bool b_vout_filter )
1327 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1328 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1330 char *psz = FilterFind( psz_filter, "deinterlace" );
1338 strcpy( &psz[0], &psz[strlen("deinterlace")] );
1340 strcpy( &psz[0], &psz[1] );
1342 var_SetString( p_vout, psz_variable, psz_filter );
1345 static void DeinterlaceAdd( vout_thread_t *p_vout, bool b_vout_filter )
1347 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1349 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1351 if( FilterFind( psz_filter, "deinterlace" ) )
1360 char *psz_tmp = psz_filter;
1361 if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 )
1362 psz_filter = psz_tmp;
1368 psz_filter = strdup( "deinterlace" );
1373 var_SetString( p_vout, psz_variable, psz_filter );
1378 static void DeinterlaceSave( vout_thread_t *p_vout, int i_deinterlace, const char *psz_mode, bool is_needed )
1380 /* We have to set input variable to ensure restart support
1381 * XXX it is only needed because of vout-filter but must be done
1382 * for non video filter anyway */
1383 vlc_object_t *p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
1387 /* Another hack for "vout filter" mode */
1388 if( i_deinterlace < 0 )
1389 i_deinterlace = is_needed ? -2 : -3;
1391 var_Create( p_input, "deinterlace", VLC_VAR_INTEGER );
1392 var_SetInteger( p_input, "deinterlace", i_deinterlace );
1394 static const char * const ppsz_variable[] = {
1396 "filter-deinterlace-mode",
1397 "sout-deinterlace-mode",
1400 for( int i = 0; ppsz_variable[i]; i++ )
1402 var_Create( p_input, ppsz_variable[i], VLC_VAR_STRING );
1403 var_SetString( p_input, ppsz_variable[i], psz_mode );
1406 vlc_object_release( p_input );
1408 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1409 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1411 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(p_data);
1412 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1415 const int i_deinterlace = var_GetInteger( p_this, "deinterlace" );
1416 char *psz_mode = var_GetString( p_this, "deinterlace-mode" );
1417 const bool is_needed = var_GetBool( p_this, "deinterlace-needed" );
1419 return VLC_EGENERIC;
1421 DeinterlaceSave( p_vout, i_deinterlace, psz_mode, is_needed );
1424 bool b_vout_filter = false;
1425 const deinterlace_mode_t *p_mode = DeinterlaceGetMode( psz_mode );
1427 b_vout_filter = p_mode->b_vout_filter;
1433 psz_old = var_CreateGetString( p_vout, "filter-deinterlace-mode" );
1437 psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" );
1438 var_SetString( p_vout, "sout-deinterlace-mode", psz_mode );
1441 msg_Dbg( p_vout, "deinterlace %d, mode %s, is_needed %d", i_deinterlace, psz_mode, is_needed );
1442 if( i_deinterlace == 0 || ( i_deinterlace == -1 && !is_needed ) )
1444 DeinterlaceRemove( p_vout, false );
1445 DeinterlaceRemove( p_vout, true );
1449 if( !DeinterlaceIsPresent( p_vout, b_vout_filter ) )
1451 DeinterlaceRemove( p_vout, !b_vout_filter );
1452 DeinterlaceAdd( p_vout, b_vout_filter );
1456 /* The deinterlace filter was already inserted but we have changed the mode */
1457 DeinterlaceRemove( p_vout, !b_vout_filter );
1458 if( psz_old && strcmp( psz_old, psz_mode ) )
1459 var_TriggerCallback( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1469 static void DeinterlaceEnable( vout_thread_t *p_vout )
1471 vlc_value_t val, text;
1473 if( !p_vout->p->b_first_vout )
1476 msg_Dbg( p_vout, "Deinterlacing available" );
1478 /* Create the configuration variables */
1480 var_Create( p_vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1481 int i_deinterlace = var_GetInteger( p_vout, "deinterlace" );
1483 text.psz_string = _("Deinterlace");
1484 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
1486 const module_config_t *p_optd = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace" );
1487 var_Change( p_vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL );
1488 for( int i = 0; p_optd && i < p_optd->i_list; i++ )
1490 val.i_int = p_optd->pi_list[i];
1491 text.psz_string = (char*)vlc_gettext(p_optd->ppsz_list_text[i]);
1492 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
1494 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
1496 var_Create( p_vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1497 char *psz_deinterlace = var_GetNonEmptyString( p_vout, "deinterlace-mode" );
1499 text.psz_string = _("Deinterlace mode");
1500 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL );
1502 const module_config_t *p_optm = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace-mode" );
1503 var_Change( p_vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL );
1504 for( int i = 0; p_optm && i < p_optm->i_list; i++ )
1506 if( !DeinterlaceGetMode( p_optm->ppsz_list[i] ) )
1509 val.psz_string = p_optm->ppsz_list[i];
1510 text.psz_string = (char*)vlc_gettext(p_optm->ppsz_list_text[i]);
1511 var_Change( p_vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text );
1513 var_AddCallback( p_vout, "deinterlace-mode", DeinterlaceCallback, NULL );
1515 var_Create( p_vout, "deinterlace-needed", VLC_VAR_BOOL );
1516 var_AddCallback( p_vout, "deinterlace-needed", DeinterlaceCallback, NULL );
1518 /* Override the initial value from filters if present */
1519 char *psz_filter_mode = NULL;
1520 if( DeinterlaceIsPresent( p_vout, true ) )
1521 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "filter-deinterlace-mode" );
1522 else if( DeinterlaceIsPresent( p_vout, false ) )
1523 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" );
1524 if( psz_filter_mode )
1526 free( psz_deinterlace );
1527 if( i_deinterlace >= -1 )
1529 psz_deinterlace = psz_filter_mode;
1533 if( i_deinterlace == -2 )
1534 p_vout->p->displayed.is_interlaced = true;
1535 else if( i_deinterlace == -3 )
1536 p_vout->p->displayed.is_interlaced = false;
1537 if( i_deinterlace < 0 )
1541 val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz;
1542 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL );
1543 val.b_bool = p_vout->p->displayed.is_interlaced;
1544 var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL );
1546 var_SetInteger( p_vout, "deinterlace", i_deinterlace );
1547 free( psz_deinterlace );
1550 static void DeinterlaceNeeded( vout_thread_t *p_vout, bool is_interlaced )
1552 msg_Dbg( p_vout, "Detected %s video",
1553 is_interlaced ? "interlaced" : "progressive" );
1554 var_SetBool( p_vout, "deinterlace-needed", is_interlaced );
1558 static void PrintVideoFormat(vout_thread_t *vout,
1559 const char *description,
1560 const video_format_t *fmt)
1562 msg_Dbg(vout, "%s sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, sar %i:%i, msk r0x%x g0x%x b0x%x",
1564 fmt->i_width, fmt->i_height, fmt->i_x_offset, fmt->i_y_offset,
1565 fmt->i_visible_width, fmt->i_visible_height,
1566 (char*)&fmt->i_chroma,
1567 fmt->i_sar_num, fmt->i_sar_den,
1568 fmt->i_rmask, fmt->i_gmask, fmt->i_bmask);