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>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
27 *****************************************************************************/
29 /*****************************************************************************
31 *****************************************************************************/
36 #include <vlc_common.h>
38 #include <stdlib.h> /* free() */
43 #include <vlc_filter.h>
47 #if defined( __APPLE__ )
48 /* Include darwin_specific.h here if needed */
51 /** FIXME This is quite ugly but needed while we don't have counters
53 //#include "input/input_internal.h"
56 #include <vlc_input.h>
57 #include "vout_pictures.h"
58 #include "vout_internal.h"
60 /*****************************************************************************
62 *****************************************************************************/
63 static int InitThread ( vout_thread_t * );
64 static void* RunThread ( void * );
65 static void ErrorThread ( vout_thread_t * );
66 static void CleanThread ( vout_thread_t * );
67 static void EndThread ( vout_thread_t * );
69 static void vout_Destructor ( vlc_object_t * p_this );
71 /* Object variables callbacks */
72 static int FilterCallback( vlc_object_t *, char const *,
73 vlc_value_t, vlc_value_t, void * );
74 static int VideoFilter2Callback( vlc_object_t *, char const *,
75 vlc_value_t, vlc_value_t, void * );
78 static void PostProcessEnable( vout_thread_t * );
79 static void PostProcessDisable( vout_thread_t * );
80 static void PostProcessSetFilterQuality( vout_thread_t *p_vout );
81 static int PostProcessCallback( vlc_object_t *, char const *,
82 vlc_value_t, vlc_value_t, void * );
84 static void DeinterlaceEnable( vout_thread_t * );
85 static void DeinterlaceNeeded( vout_thread_t *, bool );
87 /* From vout_intf.c */
88 int vout_Snapshot( vout_thread_t *, picture_t * );
90 /* Display media title in OSD */
91 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
93 /* Time during which the thread will sleep if it has nothing to
94 * display (in micro-seconds) */
95 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
97 /* Maximum lap of time allowed between the beginning of rendering and
98 * display. If, compared to the current date, the next image is too
99 * late, the thread will perform an idle loop. This time should be
100 * at least VOUT_IDLE_SLEEP plus the time required to render a few
101 * images, to avoid trashing of decoded images */
102 #define VOUT_DISPLAY_DELAY ((int)(0.200*CLOCK_FREQ))
104 /* Better be in advance when awakening than late... */
105 #define VOUT_MWAIT_TOLERANCE ((mtime_t)(0.020*CLOCK_FREQ))
107 /* Minimum number of direct pictures the video output will accept without
108 * creating additional pictures in system memory */
109 #ifdef OPTIMIZE_MEMORY
110 # define VOUT_MIN_DIRECT_PICTURES (VOUT_MAX_PICTURES/2)
112 # define VOUT_MIN_DIRECT_PICTURES (3*VOUT_MAX_PICTURES/4)
115 /*****************************************************************************
116 * Video Filter2 functions
117 *****************************************************************************/
118 static picture_t *video_new_buffer_filter( filter_t *p_filter )
120 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
121 picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
123 p_picture->i_status = READY_PICTURE;
128 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
130 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
132 vlc_mutex_lock( &p_vout->p->picture_lock );
133 vout_UsePictureLocked( p_vout, p_pic );
134 vlc_mutex_unlock( &p_vout->p->picture_lock );
137 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
139 p_filter->pf_video_buffer_new = video_new_buffer_filter;
140 p_filter->pf_video_buffer_del = video_del_buffer_filter;
141 p_filter->p_owner = p_data; /* p_vout */
146 /*****************************************************************************
147 * vout_Request: find a video output thread, create one, or destroy one.
148 *****************************************************************************
149 * This function looks for a video output thread matching the current
150 * properties. If not found, it spawns a new one.
151 *****************************************************************************/
152 vout_thread_t *vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
153 video_format_t *p_fmt )
157 /* Video output is no longer used.
158 * TODO: support for reusing video outputs with proper _thread-safe_
159 * reference handling. */
161 vout_CloseAndRelease( p_vout );
165 /* If a video output was provided, lock it, otherwise look for one. */
168 vlc_object_hold( p_vout );
171 /* TODO: find a suitable unused video output */
173 /* If we now have a video output, check it has the right properties */
176 vlc_mutex_lock( &p_vout->p->change_lock );
178 /* We don't directly check for the "vout-filter" variable for obvious
179 * performance reasons. */
180 if( p_vout->p->b_filter_change )
182 char *psz_filter_chain = var_GetString( p_vout, "vout-filter" );
184 if( psz_filter_chain && !*psz_filter_chain )
186 free( psz_filter_chain );
187 psz_filter_chain = NULL;
189 if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
191 free( p_vout->p->psz_filter_chain );
192 p_vout->p->psz_filter_chain = NULL;
195 if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
197 p_vout->p->b_filter_change = false;
200 free( psz_filter_chain );
203 #warning "FIXME: Check RGB masks in vout_Request"
204 /* FIXME: check RGB masks */
205 if( p_vout->fmt_render.i_chroma != vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma ) ||
206 p_vout->fmt_render.i_width != p_fmt->i_width ||
207 p_vout->fmt_render.i_height != p_fmt->i_height ||
208 p_vout->p->b_filter_change )
210 vlc_mutex_unlock( &p_vout->p->change_lock );
212 /* We are not interested in this format, close this vout */
213 vout_CloseAndRelease( p_vout );
214 vlc_object_release( p_vout );
219 /* This video output is cool! Hijack it. */
220 /* Correct aspect ratio on change
221 * FIXME factorize this code with other aspect ration related code */
222 unsigned int i_sar_num;
223 unsigned int i_sar_den;
224 vlc_ureduce( &i_sar_num, &i_sar_den,
225 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
227 /* What's that, it does not seems to be used correcly everywhere */
228 if( p_vout->i_par_num > 0 && p_vout->i_par_den > 0 )
230 i_sar_num *= p_vout->i_par_den;
231 i_sar_den *= p_vout->i_par_num;
235 if( i_sar_num > 0 && i_sar_den > 0 &&
236 ( i_sar_num != p_vout->fmt_render.i_sar_num ||
237 i_sar_den != p_vout->fmt_render.i_sar_den ) )
239 p_vout->fmt_in.i_sar_num = i_sar_num;
240 p_vout->fmt_in.i_sar_den = i_sar_den;
242 p_vout->fmt_render.i_sar_num = i_sar_num;
243 p_vout->fmt_render.i_sar_den = i_sar_den;
244 p_vout->p->i_changes |= VOUT_ASPECT_CHANGE;
246 vlc_mutex_unlock( &p_vout->p->change_lock );
248 vlc_object_release( p_vout );
253 msg_Dbg( p_this, "reusing provided vout" );
255 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
256 vlc_object_detach( p_vout );
258 vlc_object_attach( p_vout, p_this );
259 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
265 msg_Dbg( p_this, "no usable vout present, spawning one" );
267 p_vout = vout_Create( p_this, p_fmt );
274 /*****************************************************************************
275 * vout_Create: creates a new video output thread
276 *****************************************************************************
277 * This function creates a new video output thread, and returns a pointer
278 * to its description. On error, it returns NULL.
279 *****************************************************************************/
280 vout_thread_t * vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
282 vout_thread_t * p_vout; /* thread descriptor */
283 int i_index; /* loop variable */
287 config_chain_t *p_cfg;
291 if( p_fmt->i_width <= 0 || p_fmt->i_height <= 0 )
293 const vlc_fourcc_t i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma );
295 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
296 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
297 if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
300 /* Allocate descriptor */
301 static const char typename[] = "video output";
302 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
308 p_vout->p = calloc( 1, sizeof(*p_vout->p) );
311 vlc_object_release( p_vout );
315 /* Initialize pictures - translation tables and functions
316 * will be initialized later in InitThread */
317 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
319 p_vout->p->p_picture[i_index].i_status = FREE_PICTURE;
320 p_vout->p->p_picture[i_index].i_type = EMPTY_PICTURE;
321 p_vout->p->p_picture[i_index].b_slow = 0;
324 /* Initialize the rendering heap */
325 I_RENDERPICTURES = 0;
327 p_vout->fmt_render = *p_fmt; /* FIXME palette */
328 p_vout->fmt_in = *p_fmt; /* FIXME palette */
330 p_vout->fmt_render.i_chroma =
331 p_vout->fmt_in.i_chroma = i_chroma;
332 video_format_FixRgb( &p_vout->fmt_render );
333 video_format_FixRgb( &p_vout->fmt_in );
335 p_vout->p->render.i_last_used_pic = -1;
337 /* Zero the output heap */
338 I_OUTPUTPICTURES = 0;
340 /* Initialize misc stuff */
341 p_vout->p->i_changes = 0;
342 p_vout->p->b_fullscreen = 0;
343 p_vout->p->render_time = 10;
344 p_vout->p->c_fps_samples = 0;
345 vout_statistic_Init( &p_vout->p->statistic );
346 p_vout->p->b_filter_change = 0;
347 p_vout->p->b_paused = false;
348 p_vout->p->i_pause_date = 0;
349 p_vout->p->i_par_num =
350 p_vout->p->i_par_den = 1;
351 p_vout->p->p_picture_displayed = NULL;
352 p_vout->p->i_picture_displayed_date = 0;
353 p_vout->p->b_picture_displayed = false;
354 p_vout->p->b_picture_empty = false;
355 p_vout->p->i_picture_qtype = QTYPE_NONE;
356 p_vout->p->b_picture_interlaced = false;
358 vlc_mouse_Init( &p_vout->p->mouse );
360 vout_snapshot_Init( &p_vout->p->snapshot );
362 /* Initialize locks */
363 vlc_mutex_init( &p_vout->p->picture_lock );
364 vlc_cond_init( &p_vout->p->picture_wait );
365 vlc_mutex_init( &p_vout->p->change_lock );
366 vlc_mutex_init( &p_vout->p->vfilter_lock );
368 /* Mouse coordinates */
369 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
370 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
371 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
372 /* Mouse object (area of interest in a video filter) */
373 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
375 /* Attach the new object now so we can use var inheritance below */
376 vlc_object_attach( p_vout, p_parent );
378 /* Initialize subpicture unit */
379 p_vout->p->p_spu = spu_Create( p_vout );
382 spu_Init( p_vout->p->p_spu );
384 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
386 /* Take care of some "interface/control" related initialisations */
387 vout_IntfInit( p_vout );
389 /* If the parent is not a VOUT object, that means we are at the start of
390 * the video output pipe */
391 if( vlc_internals( p_parent )->i_object_type != VLC_OBJECT_VOUT )
393 /* Look for the default filter configuration */
394 p_vout->p->psz_filter_chain =
395 var_CreateGetStringCommand( p_vout, "vout-filter" );
397 /* Apply video filter2 objects on the first vout */
399 var_CreateGetStringCommand( p_vout, "video-filter" );
401 p_vout->p->b_first_vout = true;
405 /* continue the parent's filter chain */
408 /* Ugly hack to jump to our configuration chain */
409 p_vout->p->psz_filter_chain
410 = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
411 p_vout->p->psz_filter_chain
412 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
413 config_ChainDestroy( p_cfg );
416 /* Create a video filter2 var ... but don't inherit values */
417 var_Create( p_vout, "video-filter",
418 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
419 p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
422 p_vout->p->b_first_vout = false;
425 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
426 p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
427 false, video_filter_buffer_allocation_init, NULL, p_vout );
429 /* Choose the video output module */
430 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
436 psz_parser = strdup( p_vout->p->psz_filter_chain );
437 p_vout->p->b_title_show = false;
440 /* Create the vout thread */
441 char *psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
444 p_vout->p->p_cfg = p_cfg;
446 /* Create a few object variables for interface interaction */
447 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
448 text.psz_string = _("Filters");
449 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
450 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
453 DeinterlaceEnable( p_vout );
455 if( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain )
458 if( asprintf( &psz_tmp, "%s,none", psz_name ) < 0 )
459 psz_tmp = strdup( "" );
463 p_vout->p->psz_module_name = psz_name;
466 vlc_object_set_destructor( p_vout, vout_Destructor );
469 vlc_cond_init( &p_vout->p->change_wait );
470 if( vlc_clone( &p_vout->p->thread, RunThread, p_vout,
471 VLC_THREAD_PRIORITY_OUTPUT ) )
473 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
474 spu_Destroy( p_vout->p->p_spu );
475 p_vout->p->p_spu = NULL;
476 vlc_object_release( p_vout );
480 vlc_mutex_lock( &p_vout->p->change_lock );
481 while( !p_vout->p->b_ready )
482 { /* We are (ab)using the same condition in opposite directions for
483 * b_ready and b_done. This works because of the strict ordering. */
484 assert( !p_vout->p->b_done );
485 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->p->change_lock );
487 vlc_mutex_unlock( &p_vout->p->change_lock );
489 if( p_vout->p->b_error )
491 msg_Err( p_vout, "video output creation failed" );
492 vout_CloseAndRelease( p_vout );
499 /*****************************************************************************
500 * vout_Close: Close a vout created by vout_Create.
501 *****************************************************************************
502 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
503 * You should NEVER call it on vout not obtained through vout_Create
504 * (like with vout_Request or vlc_object_find.)
505 * You can use vout_CloseAndRelease() as a convenience method.
506 *****************************************************************************/
507 void vout_Close( vout_thread_t *p_vout )
511 vlc_mutex_lock( &p_vout->p->change_lock );
512 p_vout->p->b_done = true;
513 vlc_cond_signal( &p_vout->p->change_wait );
514 vlc_mutex_unlock( &p_vout->p->change_lock );
516 vout_snapshot_End( &p_vout->p->snapshot );
518 vlc_join( p_vout->p->thread, NULL );
522 static void vout_Destructor( vlc_object_t * p_this )
524 vout_thread_t *p_vout = (vout_thread_t *)p_this;
526 /* Make sure the vout was stopped first */
527 //assert( !p_vout->p_module );
529 free( p_vout->p->psz_module_name );
532 if( p_vout->p->p_spu )
533 spu_Destroy( p_vout->p->p_spu );
535 /* Destroy the locks */
536 vlc_cond_destroy( &p_vout->p->change_wait );
537 vlc_cond_destroy( &p_vout->p->picture_wait );
538 vlc_mutex_destroy( &p_vout->p->picture_lock );
539 vlc_mutex_destroy( &p_vout->p->change_lock );
540 vlc_mutex_destroy( &p_vout->p->vfilter_lock );
543 vout_statistic_Clean( &p_vout->p->statistic );
546 vout_snapshot_Clean( &p_vout->p->snapshot );
549 free( p_vout->p->psz_filter_chain );
550 free( p_vout->p->psz_title );
552 config_ChainDestroy( p_vout->p->p_cfg );
559 void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
561 vlc_mutex_lock( &p_vout->p->change_lock );
563 assert( !p_vout->p->b_paused || !b_paused );
565 vlc_mutex_lock( &p_vout->p->picture_lock );
567 p_vout->p->i_picture_displayed_date = 0;
569 if( p_vout->p->b_paused )
571 const mtime_t i_duration = i_date - p_vout->p->i_pause_date;
573 for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
575 picture_t *p_pic = PP_RENDERPICTURE[i_index];
577 if( p_pic->i_status == READY_PICTURE )
578 p_pic->date += i_duration;
580 vlc_cond_signal( &p_vout->p->picture_wait );
581 vlc_mutex_unlock( &p_vout->p->picture_lock );
583 spu_OffsetSubtitleDate( p_vout->p->p_spu, i_duration );
587 vlc_mutex_unlock( &p_vout->p->picture_lock );
589 p_vout->p->b_paused = b_paused;
590 p_vout->p->i_pause_date = i_date;
592 vlc_mutex_unlock( &p_vout->p->change_lock );
595 void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
597 vout_statistic_GetReset( &p_vout->p->statistic,
598 pi_displayed, pi_lost );
601 void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
603 vlc_mutex_lock( &p_vout->p->picture_lock );
604 p_vout->p->i_picture_displayed_date = 0;
605 for( int i = 0; i < p_vout->p->render.i_pictures; i++ )
607 picture_t *p_pic = p_vout->p->render.pp_picture[i];
609 if( p_pic->i_status == READY_PICTURE ||
610 p_pic->i_status == DISPLAYED_PICTURE )
612 /* We cannot change picture status if it is in READY_PICTURE state,
613 * Just make sure they won't be displayed */
614 if( p_pic->date > i_date )
615 p_pic->date = i_date;
618 vlc_cond_signal( &p_vout->p->picture_wait );
619 vlc_mutex_unlock( &p_vout->p->picture_lock );
622 void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
624 int i_pic, i_ready_pic;
626 vlc_mutex_lock( &p_vout->p->picture_lock );
628 for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->p->render.i_pictures && !b_forced; i_pic++ )
630 const picture_t *p_pic = p_vout->p->render.pp_picture[i_pic];
632 if( p_pic->i_status == READY_PICTURE )
635 /* If we have at least 2 ready pictures, wait for the vout thread to
637 if( i_ready_pic >= 2 )
643 if( p_pic->i_status == DISPLAYED_PICTURE )
645 /* If at least one displayed picture is not referenced
646 * let vout free it */
647 if( p_pic->i_refcount == 0 )
651 if( i_pic < p_vout->p->render.i_pictures && !b_forced )
653 vlc_mutex_unlock( &p_vout->p->picture_lock );
657 /* Too many pictures are still referenced, there is probably a bug
658 * with the decoder */
660 msg_Err( p_vout, "pictures leaked, resetting the heap" );
662 /* Just free all the pictures */
663 for( i_pic = 0; i_pic < p_vout->p->render.i_pictures; i_pic++ )
665 picture_t *p_pic = p_vout->p->render.pp_picture[i_pic];
667 msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
668 p_pic->i_refcount = 0;
670 switch( p_pic->i_status )
673 case DISPLAYED_PICTURE:
674 case RESERVED_PICTURE:
675 if( p_pic != p_vout->p->p_picture_displayed )
676 vout_UsePictureLocked( p_vout, p_pic );
680 vlc_cond_signal( &p_vout->p->picture_wait );
681 vlc_mutex_unlock( &p_vout->p->picture_lock );
683 void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
685 vlc_mutex_lock( &p_vout->p->picture_lock );
687 const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;
689 p_vout->p->b_picture_displayed = false;
690 p_vout->p->b_picture_empty = false;
691 if( p_vout->p->p_picture_displayed )
693 p_vout->p->p_picture_displayed->date = 1;
694 vlc_cond_signal( &p_vout->p->picture_wait );
697 while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
698 vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->p->picture_lock );
700 *pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );
702 /* TODO advance subpicture by the duration ... */
704 vlc_mutex_unlock( &p_vout->p->picture_lock );
707 void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
711 if( !var_InheritBool( p_vout, "osd" ) )
714 vlc_mutex_lock( &p_vout->p->change_lock );
715 free( p_vout->p->psz_title );
716 p_vout->p->psz_title = strdup( psz_title );
717 vlc_mutex_unlock( &p_vout->p->change_lock );
720 spu_t *vout_GetSpu( vout_thread_t *p_vout )
722 return p_vout->p->p_spu;
725 /*****************************************************************************
726 * InitThread: initialize video output thread
727 *****************************************************************************
728 * This function is called from RunThread and performs the second step of the
729 * initialization. It returns 0 on success. Note that the thread's flag are not
730 * modified inside this function.
731 * XXX You have to enter it with change_lock taken.
732 *****************************************************************************/
733 static int InitThread( vout_thread_t *p_vout )
737 /* Initialize output method, it allocates direct buffers for us */
738 if( vout_InitWrapper( p_vout ) )
741 p_vout->p->p_picture_displayed = NULL;
743 if( !I_OUTPUTPICTURES )
745 msg_Err( p_vout, "plugin was unable to allocate at least "
746 "one direct buffer" );
747 vout_EndWrapper( p_vout );
751 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
753 msg_Err( p_vout, "plugin allocated too many direct buffers, "
754 "our internal buffers must have overflown." );
755 vout_EndWrapper( p_vout );
759 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
761 assert( p_vout->fmt_out.i_width > 0 && p_vout->fmt_out.i_height > 0 );
762 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
764 /* FIXME is it possible to end up here ? */
765 p_vout->fmt_out.i_sar_num = 1;
766 p_vout->fmt_out.i_sar_den = 1;
769 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
770 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
772 /* FIXME removed the need of both fmt_* and heap infos */
773 /* Calculate shifts from system-updated masks */
774 video_format_FixRgb( &p_vout->fmt_render );
775 video_format_FixRgb( &p_vout->fmt_out );
777 /* print some usefull debug info about different vout formats
779 msg_Dbg( p_vout, "pic render sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, sar %i:%i, msk r0x%x g0x%x b0x%x",
780 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
781 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
782 p_vout->fmt_render.i_visible_width,
783 p_vout->fmt_render.i_visible_height,
784 (char*)&p_vout->fmt_render.i_chroma,
785 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den,
786 p_vout->fmt_render.i_rmask, p_vout->fmt_render.i_gmask, p_vout->fmt_render.i_bmask );
788 msg_Dbg( p_vout, "pic in sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, sar %i:%i, msk r0x%x g0x%x b0x%x",
789 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
790 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
791 p_vout->fmt_in.i_visible_width,
792 p_vout->fmt_in.i_visible_height,
793 (char*)&p_vout->fmt_in.i_chroma,
794 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den,
795 p_vout->fmt_in.i_rmask, p_vout->fmt_in.i_gmask, p_vout->fmt_in.i_bmask );
797 msg_Dbg( p_vout, "pic out sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, sar %i:%i, msk r0x%x g0x%x b0x%x",
798 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
799 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
800 p_vout->fmt_out.i_visible_width,
801 p_vout->fmt_out.i_visible_height,
802 (char*)&p_vout->fmt_out.i_chroma,
803 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den,
804 p_vout->fmt_out.i_rmask, p_vout->fmt_out.i_gmask, p_vout->fmt_out.i_bmask );
806 assert( p_vout->fmt_out.i_width == p_vout->fmt_render.i_width &&
807 p_vout->fmt_out.i_height == p_vout->fmt_render.i_height &&
808 p_vout->fmt_out.i_chroma == p_vout->fmt_render.i_chroma );
809 /* Check whether we managed to create direct buffers similar to
810 * the render buffers, ie same size and chroma */
812 /* Cool ! We have direct buffers, we can ask the decoder to
813 * directly decode into them ! Map the first render buffers to
814 * the first direct buffers, but keep the first direct buffer
815 * for memcpy operations */
816 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
818 if( p_vout->p->p_picture[ i ].i_type != DIRECT_PICTURE &&
819 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
820 p_vout->p->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
822 /* We have enough direct buffers so there's no need to
823 * try to use system memory buffers. */
826 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p->p_picture[ i ];
830 msg_Dbg( p_vout, "direct render, mapping "
831 "render pictures 0-%i to system pictures 1-%i",
832 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
837 /*****************************************************************************
838 * RunThread: video output thread
839 *****************************************************************************
840 * Video output thread. This function does only returns when the thread is
841 * terminated. It handles the pictures arriving in the video heap and the
842 * display device events.
843 *****************************************************************************/
844 static void* RunThread( void *p_this )
846 vout_thread_t *p_vout = p_this;
848 int i_idle_loops = 0; /* loops without displaying a picture */
849 int i_picture_qtype_last = QTYPE_NONE;
850 bool b_picture_interlaced_last = false;
851 mtime_t i_picture_interlaced_last_date;
856 b_has_wrapper = !vout_OpenWrapper( p_vout, p_vout->p->psz_module_name );
858 vlc_mutex_lock( &p_vout->p->change_lock );
861 p_vout->p->b_error = InitThread( p_vout );
863 p_vout->p->b_error = true;
865 /* signal the creation of the vout */
866 p_vout->p->b_ready = true;
867 vlc_cond_signal( &p_vout->p->change_wait );
869 if( p_vout->p->b_error )
873 const bool b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
874 i_picture_interlaced_last_date = mdate();
877 * Main loop - it is not executed if an error occurred during
880 while( !p_vout->p->b_done && !p_vout->p->b_error )
882 /* Initialize loop variables */
883 const mtime_t current_date = mdate();
884 picture_t *p_picture;
885 picture_t *p_filtered_picture;
886 mtime_t display_date;
887 picture_t *p_directbuffer;
890 if( p_vout->p->b_title_show && p_vout->p->psz_title )
891 DisplayTitleOnOSD( p_vout );
893 vlc_mutex_lock( &p_vout->p->picture_lock );
895 /* Look for the earliest picture but after the last displayed one */
896 picture_t *p_last = p_vout->p->p_picture_displayed;;
899 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
901 picture_t *p_pic = PP_RENDERPICTURE[i_index];
903 if( p_pic->i_status != READY_PICTURE )
906 if( p_vout->p->b_paused && p_last && p_last->date > 1 )
909 if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
911 /* Drop old picture */
912 vout_UsePictureLocked( p_vout, p_pic );
914 else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
915 p_pic->date < current_date + p_vout->p->render_time &&
918 /* Picture is late: it will be destroyed and the thread
919 * will directly choose the next picture */
920 vout_UsePictureLocked( p_vout, p_pic );
921 vout_statistic_Update( &p_vout->p->statistic, 0, 1 );
923 msg_Warn( p_vout, "late picture skipped (%"PRId64" > %d)",
924 current_date - p_pic->date, - p_vout->p->render_time );
926 else if( ( !p_last || p_last->date < p_pic->date ) &&
927 ( p_picture == NULL || p_pic->date < p_picture->date ) )
936 if( !p_vout->p->b_picture_empty )
938 p_vout->p->b_picture_empty = true;
939 vlc_cond_signal( &p_vout->p->picture_wait );
946 display_date = p_picture->date;
948 /* If we found better than the last picture, destroy it */
949 if( p_last && p_picture != p_last )
951 vout_UsePictureLocked( p_vout, p_last );
952 p_vout->p->p_picture_displayed = p_last = NULL;
955 /* Compute FPS rate */
956 p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
958 if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
960 /* A picture is ready to be rendered, but its rendering date
961 * is far from the current one so the thread will perform an
962 * empty loop as if no picture were found. The picture state
967 else if( p_picture == p_last )
969 /* We are asked to repeat the previous picture, but we first
970 * wait for a couple of idle loops */
971 if( i_idle_loops < 4 )
978 /* We set the display date to something high, otherwise
979 * we'll have lots of problems with late pictures */
980 display_date = current_date + p_vout->p->render_time;
983 else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
985 display_date = current_date + VOUT_DISPLAY_DELAY;
990 if( p_picture->date > 1 )
992 p_vout->p->i_picture_displayed_date = p_picture->date;
993 if( p_picture != p_last && !p_vout->p->b_picture_displayed )
995 p_vout->p->b_picture_displayed = true;
996 vlc_cond_signal( &p_vout->p->picture_wait );
999 p_vout->p->p_picture_displayed = p_picture;
1004 const int i_postproc_type = p_vout->p->i_picture_qtype;
1005 const int i_postproc_state = (p_vout->p->i_picture_qtype != QTYPE_NONE) - (i_picture_qtype_last != QTYPE_NONE);
1007 const bool b_picture_interlaced = p_vout->p->b_picture_interlaced;
1008 const int i_picture_interlaced_state = (!!p_vout->p->b_picture_interlaced) - (!!b_picture_interlaced_last);
1010 vlc_mutex_unlock( &p_vout->p->picture_lock );
1012 if( p_picture == NULL )
1015 p_filtered_picture = NULL;
1018 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1019 p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
1021 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1024 const bool b_snapshot = vout_snapshot_IsRequested( &p_vout->p->snapshot );
1027 * Check for subpictures to display
1029 mtime_t spu_render_time;
1030 if( p_vout->p->b_paused )
1031 spu_render_time = p_vout->p->i_pause_date;
1032 else if( p_picture )
1033 spu_render_time = p_picture->date > 1 ? p_picture->date : mdate();
1035 spu_render_time = 0;
1037 subpicture_t *p_subpic = spu_SortSubpictures( p_vout->p->p_spu,
1043 vout_statistic_Update( &p_vout->p->statistic, 1, 0 );
1044 p_directbuffer = vout_RenderPicture( p_vout,
1045 p_filtered_picture, p_subpic,
1049 * Take a snapshot if requested
1051 if( p_directbuffer && b_snapshot )
1052 vout_snapshot_Set( &p_vout->p->snapshot,
1053 &p_vout->fmt_out, p_directbuffer );
1056 * Call the plugin-specific rendering method if there is one
1058 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1060 /* Render the direct buffer returned by vout_RenderPicture */
1061 vout_RenderWrapper( p_vout, p_directbuffer );
1067 if( display_date != 0 && p_directbuffer != NULL )
1069 mtime_t current_render_time = mdate() - current_date;
1070 /* if render time is very large we don't include it in the mean */
1071 if( current_render_time < p_vout->p->render_time +
1072 VOUT_DISPLAY_DELAY )
1074 /* Store render time using a sliding mean weighting to
1075 * current value in a 3 to 1 ratio*/
1076 p_vout->p->render_time *= 3;
1077 p_vout->p->render_time += current_render_time;
1078 p_vout->p->render_time >>= 2;
1081 msg_Dbg( p_vout, "skipped big render time %d > %d", (int) current_render_time,
1082 (int) (p_vout->p->render_time +VOUT_DISPLAY_DELAY ) ) ;
1085 /* Give back change lock */
1086 vlc_mutex_unlock( &p_vout->p->change_lock );
1088 /* Sleep a while or until a given date */
1089 if( display_date != 0 )
1091 /* If there are *vout* filters in the chain, better give them the picture
1093 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
1095 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1100 /* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
1101 vlc_mutex_lock( &p_vout->p->picture_lock );
1102 vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->p->picture_lock, current_date + VOUT_IDLE_SLEEP );
1103 vlc_mutex_unlock( &p_vout->p->picture_lock );
1106 /* On awakening, take back lock and send immediately picture
1108 /* Note: p_vout->p->b_done could be true here and now */
1109 vlc_mutex_lock( &p_vout->p->change_lock );
1112 * Display the previously rendered picture
1114 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1116 /* Display the direct buffer returned by vout_RenderPicture */
1117 vout_DisplayWrapper( p_vout, p_directbuffer );
1119 /* Tell the vout this was the last picture and that it does not
1120 * need to be forced anymore. */
1121 p_picture->b_force = false;
1124 /* Drop the filtered picture if created by video filters */
1125 if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1127 vlc_mutex_lock( &p_vout->p->picture_lock );
1128 vout_UsePictureLocked( p_vout, p_filtered_picture );
1129 vlc_mutex_unlock( &p_vout->p->picture_lock );
1132 if( p_picture != NULL )
1134 /* Reinitialize idle loop count */
1139 * Check events and manage thread
1141 if( vout_ManageWrapper( p_vout ) )
1143 /* A fatal error occurred, and the thread must terminate
1144 * immediately, without displaying anything - setting b_error to 1
1145 * causes the immediate end of the main while() loop. */
1147 p_vout->p->b_error = 1;
1151 if( p_vout->p->i_changes & VOUT_ON_TOP_CHANGE )
1152 p_vout->p->i_changes &= ~VOUT_ON_TOP_CHANGE;
1154 if( p_vout->p->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1156 /* This happens when the picture buffers need to be recreated.
1157 * This is useful on multimonitor displays for instance.
1159 * Warning: This only works when the vout creates only 1 picture
1161 p_vout->p->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1163 vlc_mutex_lock( &p_vout->p->picture_lock );
1165 vout_EndWrapper( p_vout );
1167 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1169 p_vout->p->b_error = InitThread( p_vout );
1170 if( p_vout->p->b_error )
1171 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed" );
1173 vlc_cond_signal( &p_vout->p->picture_wait );
1174 vlc_mutex_unlock( &p_vout->p->picture_lock );
1176 if( p_vout->p->b_error )
1180 /* Post processing */
1181 if( i_postproc_state == 1 )
1182 PostProcessEnable( p_vout );
1183 else if( i_postproc_state == -1 )
1184 PostProcessDisable( p_vout );
1185 if( i_postproc_state != 0 )
1186 i_picture_qtype_last = i_postproc_type;
1189 * Wait 30s before quiting interlacing mode */
1190 if( ( i_picture_interlaced_state == 1 ) ||
1191 ( i_picture_interlaced_state == -1 && i_picture_interlaced_last_date + 30000000 < current_date ) )
1193 DeinterlaceNeeded( p_vout, b_picture_interlaced );
1194 b_picture_interlaced_last = b_picture_interlaced;
1196 if( b_picture_interlaced )
1197 i_picture_interlaced_last_date = current_date;
1200 /* Check for "video filter2" changes */
1201 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1202 if( p_vout->p->psz_vf2 )
1206 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1207 fmt.video = p_vout->fmt_render;
1208 filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
1210 if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
1211 p_vout->p->psz_vf2 ) < 0 )
1212 msg_Err( p_vout, "Video filter chain creation failed" );
1214 free( p_vout->p->psz_vf2 );
1215 p_vout->p->psz_vf2 = NULL;
1217 if( i_picture_qtype_last != QTYPE_NONE )
1218 PostProcessSetFilterQuality( p_vout );
1220 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1224 * Error loop - wait until the thread destruction is requested
1226 if( p_vout->p->b_error )
1227 ErrorThread( p_vout );
1230 CleanThread( p_vout );
1234 EndThread( p_vout );
1235 vlc_mutex_unlock( &p_vout->p->change_lock );
1238 vout_CloseWrapper( p_vout );
1243 /*****************************************************************************
1244 * ErrorThread: RunThread() error loop
1245 *****************************************************************************
1246 * This function is called when an error occurred during thread main's loop.
1247 * The thread can still receive feed, but must be ready to terminate as soon
1249 *****************************************************************************/
1250 static void ErrorThread( vout_thread_t *p_vout )
1252 /* Wait until a `close' order */
1253 while( !p_vout->p->b_done )
1254 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->p->change_lock );
1257 /*****************************************************************************
1258 * CleanThread: clean up after InitThread
1259 *****************************************************************************
1260 * This function is called after a sucessful
1261 * initialization. It frees all resources allocated by InitThread.
1262 * XXX You have to enter it with change_lock taken.
1263 *****************************************************************************/
1264 static void CleanThread( vout_thread_t *p_vout )
1266 int i_index; /* index in heap */
1268 /* Destroy all remaining pictures */
1269 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1271 if ( p_vout->p->p_picture[i_index].i_type == MEMORY_PICTURE )
1273 free( p_vout->p->p_picture[i_index].p_data_orig );
1277 /* Destroy translation tables */
1278 if( !p_vout->p->b_error )
1279 vout_EndWrapper( p_vout );
1282 /*****************************************************************************
1283 * EndThread: thread destruction
1284 *****************************************************************************
1285 * This function is called when the thread ends.
1286 * It frees all resources not allocated by InitThread.
1287 * XXX You have to enter it with change_lock taken.
1288 *****************************************************************************/
1289 static void EndThread( vout_thread_t *p_vout )
1291 /* FIXME does that function *really* need to be called inside the thread ? */
1293 /* Detach subpicture unit from both input and vout */
1294 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
1295 vlc_object_detach( p_vout->p->p_spu );
1297 /* Destroy the video filters2 */
1298 filter_chain_Delete( p_vout->p->p_vf2_chain );
1301 /* following functions are local */
1303 /*****************************************************************************
1304 * object variables callbacks: a bunch of object variables are used by the
1305 * interfaces to interact with the vout.
1306 *****************************************************************************/
1307 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1308 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1310 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1311 input_thread_t *p_input;
1312 (void)psz_cmd; (void)oldval; (void)p_data;
1314 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1318 msg_Err( p_vout, "Input not found" );
1319 return VLC_EGENERIC;
1322 var_SetBool( p_vout, "intf-change", true );
1324 /* Modify input as well because the vout might have to be restarted */
1325 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1326 var_SetString( p_input, "vout-filter", newval.psz_string );
1328 /* Now restart current video stream */
1329 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1330 vlc_object_release( p_input );
1335 /*****************************************************************************
1336 * Video Filter2 stuff
1337 *****************************************************************************/
1338 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1339 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1341 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1342 (void)psz_cmd; (void)oldval; (void)p_data;
1344 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1345 p_vout->p->psz_vf2 = strdup( newval.psz_string );
1346 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1351 /*****************************************************************************
1353 *****************************************************************************/
1354 static bool PostProcessIsPresent( const char *psz_filter )
1356 const char *psz_pp = "postproc";
1357 const size_t i_pp = strlen(psz_pp);
1358 return psz_filter &&
1359 !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) &&
1360 ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' );
1363 static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd,
1364 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1366 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1367 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1369 static const char *psz_pp = "postproc";
1371 char *psz_vf2 = var_GetString( p_vout, "video-filter" );
1373 if( newval.i_int <= 0 )
1375 if( PostProcessIsPresent( psz_vf2 ) )
1377 strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] );
1378 if( *psz_vf2 == ':' )
1379 strcpy( psz_vf2, &psz_vf2[1] );
1384 if( !PostProcessIsPresent( psz_vf2 ) )
1388 char *psz_tmp = psz_vf2;
1389 if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 )
1396 psz_vf2 = strdup( psz_pp );
1402 var_SetString( p_vout, "video-filter", psz_vf2 );
1408 static void PostProcessEnable( vout_thread_t *p_vout )
1411 msg_Dbg( p_vout, "Post-processing available" );
1412 var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
1413 text.psz_string = _("Post processing");
1414 var_Change( p_vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL );
1416 for( int i = 0; i <= 6; i++ )
1423 snprintf( psz_text, sizeof(psz_text), "%d", i );
1425 text.psz_string = _("Disable");
1427 text.psz_string = psz_text;
1428 var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text );
1430 var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL );
1433 char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" );
1434 int i_postproc_q = 0;
1435 if( PostProcessIsPresent( psz_filter ) )
1436 i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" );
1438 var_SetInteger( p_vout, "postprocess", i_postproc_q );
1442 static void PostProcessDisable( vout_thread_t *p_vout )
1444 msg_Dbg( p_vout, "Post-processing no more available" );
1445 var_Destroy( p_vout, "postprocess" );
1447 static void PostProcessSetFilterQuality( vout_thread_t *p_vout )
1449 vlc_object_t *p_pp = vlc_object_find_name( p_vout, "postproc", FIND_CHILD );
1453 var_SetInteger( p_pp, "postproc-q", var_GetInteger( p_vout, "postprocess" ) );
1454 vlc_object_release( p_pp );
1458 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1460 const mtime_t i_start = mdate();
1461 const mtime_t i_stop = i_start + INT64_C(1000) * p_vout->p->i_title_timeout;
1463 if( i_stop <= i_start )
1466 vlc_assert_locked( &p_vout->p->change_lock );
1468 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1469 p_vout->p->psz_title, NULL,
1470 p_vout->p->i_title_position,
1471 30 + p_vout->fmt_in.i_width
1472 - p_vout->fmt_in.i_visible_width
1473 - p_vout->fmt_in.i_x_offset,
1474 20 + p_vout->fmt_in.i_y_offset,
1477 free( p_vout->p->psz_title );
1479 p_vout->p->psz_title = NULL;
1482 /*****************************************************************************
1484 *****************************************************************************/
1487 const char *psz_mode;
1489 } deinterlace_mode_t;
1492 * You can use the non vout filter if and only if the video properties stay the
1493 * same (width/height/chroma/fps), at least for now.
1495 static const deinterlace_mode_t p_deinterlace_mode[] = {
1497 //{ "discard", true },
1501 //{ "linear", true },
1503 //{ "yadif", true },
1504 //{ "yadif2x", true },
1507 static const deinterlace_mode_t *DeinterlaceGetMode( const char *psz_mode )
1509 for( const deinterlace_mode_t *p_mode = &p_deinterlace_mode[0]; p_mode->psz_mode; p_mode++ )
1511 if( !strcmp( p_mode->psz_mode, psz_mode ) )
1517 static char *FilterFind( char *psz_filter_base, const char *psz_module )
1519 const size_t i_module = strlen( psz_module );
1520 const char *psz_filter = psz_filter_base;
1522 if( !psz_filter || i_module <= 0 )
1527 char *psz_find = strstr( psz_filter, psz_module );
1530 if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' )
1532 psz_filter = &psz_find[i_module];
1536 static bool DeinterlaceIsPresent( vout_thread_t *p_vout, bool b_vout_filter )
1538 char *psz_filter = var_GetNonEmptyString( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1540 bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL;
1547 static void DeinterlaceRemove( vout_thread_t *p_vout, bool b_vout_filter )
1549 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1550 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1552 char *psz = FilterFind( psz_filter, "deinterlace" );
1560 strcpy( &psz[0], &psz[strlen("deinterlace")] );
1562 strcpy( &psz[0], &psz[1] );
1564 var_SetString( p_vout, psz_variable, psz_filter );
1567 static void DeinterlaceAdd( vout_thread_t *p_vout, bool b_vout_filter )
1569 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1571 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1573 if( FilterFind( psz_filter, "deinterlace" ) )
1582 char *psz_tmp = psz_filter;
1583 if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 )
1584 psz_filter = psz_tmp;
1590 psz_filter = strdup( "deinterlace" );
1595 var_SetString( p_vout, psz_variable, psz_filter );
1600 static void DeinterlaceSave( vout_thread_t *p_vout, int i_deinterlace, const char *psz_mode, bool is_needed )
1602 /* We have to set input variable to ensure restart support
1603 * XXX it is only needed because of vout-filter but must be done
1604 * for non video filter anyway */
1605 vlc_object_t *p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
1609 /* Another hack for "vout filter" mode */
1610 if( i_deinterlace < 0 )
1611 i_deinterlace = is_needed ? -2 : -3;
1613 var_Create( p_input, "deinterlace", VLC_VAR_INTEGER );
1614 var_SetInteger( p_input, "deinterlace", i_deinterlace );
1616 static const char * const ppsz_variable[] = {
1618 "filter-deinterlace-mode",
1619 "sout-deinterlace-mode",
1622 for( int i = 0; ppsz_variable[i]; i++ )
1624 var_Create( p_input, ppsz_variable[i], VLC_VAR_STRING );
1625 var_SetString( p_input, ppsz_variable[i], psz_mode );
1628 vlc_object_release( p_input );
1630 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1631 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1633 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(p_data);
1634 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1637 const int i_deinterlace = var_GetInteger( p_this, "deinterlace" );
1638 char *psz_mode = var_GetString( p_this, "deinterlace-mode" );
1639 const bool is_needed = var_GetBool( p_this, "deinterlace-needed" );
1641 return VLC_EGENERIC;
1643 DeinterlaceSave( p_vout, i_deinterlace, psz_mode, is_needed );
1646 bool b_vout_filter = false;
1647 const deinterlace_mode_t *p_mode = DeinterlaceGetMode( psz_mode );
1649 b_vout_filter = p_mode->b_vout_filter;
1655 psz_old = var_CreateGetString( p_vout, "filter-deinterlace-mode" );
1659 psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" );
1660 var_SetString( p_vout, "sout-deinterlace-mode", psz_mode );
1663 msg_Dbg( p_vout, "deinterlace %d, mode %s, is_needed %d", i_deinterlace, psz_mode, is_needed );
1664 if( i_deinterlace == 0 || ( i_deinterlace == -1 && !is_needed ) )
1666 DeinterlaceRemove( p_vout, false );
1667 DeinterlaceRemove( p_vout, true );
1671 if( !DeinterlaceIsPresent( p_vout, b_vout_filter ) )
1673 DeinterlaceRemove( p_vout, !b_vout_filter );
1674 DeinterlaceAdd( p_vout, b_vout_filter );
1678 /* The deinterlace filter was already inserted but we have changed the mode */
1679 DeinterlaceRemove( p_vout, !b_vout_filter );
1680 if( psz_old && strcmp( psz_old, psz_mode ) )
1681 var_TriggerCallback( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1691 static void DeinterlaceEnable( vout_thread_t *p_vout )
1693 vlc_value_t val, text;
1695 if( !p_vout->p->b_first_vout )
1698 msg_Dbg( p_vout, "Deinterlacing available" );
1700 /* Create the configuration variables */
1702 var_Create( p_vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1703 int i_deinterlace = var_GetInteger( p_vout, "deinterlace" );
1705 text.psz_string = _("Deinterlace");
1706 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
1708 const module_config_t *p_optd = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace" );
1709 var_Change( p_vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL );
1710 for( int i = 0; p_optd && i < p_optd->i_list; i++ )
1712 val.i_int = p_optd->pi_list[i];
1713 text.psz_string = (char*)vlc_gettext(p_optd->ppsz_list_text[i]);
1714 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
1716 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
1718 var_Create( p_vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1719 char *psz_deinterlace = var_GetNonEmptyString( p_vout, "deinterlace-mode" );
1721 text.psz_string = _("Deinterlace mode");
1722 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL );
1724 const module_config_t *p_optm = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace-mode" );
1725 var_Change( p_vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL );
1726 for( int i = 0; p_optm && i < p_optm->i_list; i++ )
1728 if( !DeinterlaceGetMode( p_optm->ppsz_list[i] ) )
1731 val.psz_string = p_optm->ppsz_list[i];
1732 text.psz_string = (char*)vlc_gettext(p_optm->ppsz_list_text[i]);
1733 var_Change( p_vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text );
1735 var_AddCallback( p_vout, "deinterlace-mode", DeinterlaceCallback, NULL );
1737 var_Create( p_vout, "deinterlace-needed", VLC_VAR_BOOL );
1738 var_AddCallback( p_vout, "deinterlace-needed", DeinterlaceCallback, NULL );
1740 /* Override the initial value from filters if present */
1741 char *psz_filter_mode = NULL;
1742 if( DeinterlaceIsPresent( p_vout, true ) )
1743 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "filter-deinterlace-mode" );
1744 else if( DeinterlaceIsPresent( p_vout, false ) )
1745 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" );
1746 if( psz_filter_mode )
1748 free( psz_deinterlace );
1749 if( i_deinterlace >= -1 )
1751 psz_deinterlace = psz_filter_mode;
1755 if( i_deinterlace == -2 )
1756 p_vout->p->b_picture_interlaced = true;
1757 else if( i_deinterlace == -3 )
1758 p_vout->p->b_picture_interlaced = false;
1759 if( i_deinterlace < 0 )
1763 val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz;
1764 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL );
1765 val.b_bool = p_vout->p->b_picture_interlaced;
1766 var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL );
1768 var_SetInteger( p_vout, "deinterlace", i_deinterlace );
1769 free( psz_deinterlace );
1772 static void DeinterlaceNeeded( vout_thread_t *p_vout, bool is_interlaced )
1774 msg_Dbg( p_vout, "Detected %s video",
1775 is_interlaced ? "interlaced" : "progressive" );
1776 var_SetBool( p_vout, "deinterlace-needed", is_interlaced );