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->picture_lock );
133 vout_UsePictureLocked( p_vout, p_pic );
134 vlc_mutex_unlock( &p_vout->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->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->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;
245 p_vout->render.i_aspect = (int64_t)i_sar_num *
246 p_vout->fmt_render.i_width *
249 p_vout->fmt_render.i_height;
250 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
252 vlc_mutex_unlock( &p_vout->change_lock );
254 vlc_object_release( p_vout );
259 msg_Dbg( p_this, "reusing provided vout" );
261 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
262 vlc_object_detach( p_vout );
264 vlc_object_attach( p_vout, p_this );
265 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
271 msg_Dbg( p_this, "no usable vout present, spawning one" );
273 p_vout = vout_Create( p_this, p_fmt );
280 /*****************************************************************************
281 * vout_Create: creates a new video output thread
282 *****************************************************************************
283 * This function creates a new video output thread, and returns a pointer
284 * to its description. On error, it returns NULL.
285 *****************************************************************************/
286 vout_thread_t * vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
288 vout_thread_t * p_vout; /* thread descriptor */
289 int i_index; /* loop variable */
292 unsigned int i_width = p_fmt->i_width;
293 unsigned int i_height = p_fmt->i_height;
294 vlc_fourcc_t i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma );
296 config_chain_t *p_cfg;
300 if( i_width <= 0 || i_height <= 0 )
303 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
304 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
305 if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
307 unsigned int i_aspect = (int64_t)p_fmt->i_sar_num *
313 /* Allocate descriptor */
314 static const char typename[] = "video output";
315 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
321 p_vout->p = calloc( 1, sizeof(*p_vout->p) );
324 vlc_object_release( p_vout );
328 /* Initialize pictures - translation tables and functions
329 * will be initialized later in InitThread */
330 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
332 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
333 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
334 p_vout->p_picture[i_index].b_slow = 0;
337 /* Initialize the rendering heap */
338 I_RENDERPICTURES = 0;
340 p_vout->fmt_render = *p_fmt; /* FIXME palette */
341 p_vout->fmt_in = *p_fmt; /* FIXME palette */
343 video_format_FixRgb( &p_vout->fmt_render );
344 video_format_FixRgb( &p_vout->fmt_in );
346 p_vout->render.i_width = i_width;
347 p_vout->render.i_height = i_height;
348 p_vout->render.i_chroma = i_chroma;
349 p_vout->render.i_aspect = i_aspect;
351 p_vout->render.i_last_used_pic = -1;
353 /* Zero the output heap */
354 I_OUTPUTPICTURES = 0;
355 p_vout->output.i_width = 0;
356 p_vout->output.i_height = 0;
357 p_vout->output.i_chroma = 0;
358 p_vout->output.i_aspect = 0;
360 /* Initialize misc stuff */
361 p_vout->i_changes = 0;
362 p_vout->b_fullscreen = 0;
363 p_vout->p->render_time = 10;
364 p_vout->p->c_fps_samples = 0;
365 vout_statistic_Init( &p_vout->p->statistic );
366 p_vout->p->b_filter_change = 0;
367 p_vout->p->b_paused = false;
368 p_vout->p->i_pause_date = 0;
369 p_vout->p->i_par_num =
370 p_vout->p->i_par_den = 1;
371 p_vout->p->p_picture_displayed = NULL;
372 p_vout->p->i_picture_displayed_date = 0;
373 p_vout->p->b_picture_displayed = false;
374 p_vout->p->b_picture_empty = false;
375 p_vout->p->i_picture_qtype = QTYPE_NONE;
376 p_vout->p->b_picture_interlaced = false;
378 vlc_mouse_Init( &p_vout->p->mouse );
380 vout_snapshot_Init( &p_vout->p->snapshot );
382 /* Initialize locks */
383 vlc_mutex_init( &p_vout->picture_lock );
384 vlc_cond_init( &p_vout->p->picture_wait );
385 vlc_mutex_init( &p_vout->change_lock );
386 vlc_mutex_init( &p_vout->p->vfilter_lock );
388 /* Mouse coordinates */
389 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
390 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
391 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
392 /* Mouse object (area of interest in a video filter) */
393 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
395 /* Attach the new object now so we can use var inheritance below */
396 vlc_object_attach( p_vout, p_parent );
398 /* Initialize subpicture unit */
399 p_vout->p->p_spu = spu_Create( p_vout );
402 spu_Init( p_vout->p->p_spu );
404 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
406 /* Take care of some "interface/control" related initialisations */
407 vout_IntfInit( p_vout );
409 /* If the parent is not a VOUT object, that means we are at the start of
410 * the video output pipe */
411 if( vlc_internals( p_parent )->i_object_type != VLC_OBJECT_VOUT )
413 /* Look for the default filter configuration */
414 p_vout->p->psz_filter_chain =
415 var_CreateGetStringCommand( p_vout, "vout-filter" );
417 /* Apply video filter2 objects on the first vout */
419 var_CreateGetStringCommand( p_vout, "video-filter" );
421 p_vout->p->b_first_vout = true;
425 /* continue the parent's filter chain */
428 /* Ugly hack to jump to our configuration chain */
429 p_vout->p->psz_filter_chain
430 = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
431 p_vout->p->psz_filter_chain
432 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
433 config_ChainDestroy( p_cfg );
436 /* Create a video filter2 var ... but don't inherit values */
437 var_Create( p_vout, "video-filter",
438 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
439 p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
442 p_vout->p->b_first_vout = false;
445 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
446 p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
447 false, video_filter_buffer_allocation_init, NULL, p_vout );
449 /* Choose the video output module */
450 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
456 psz_parser = strdup( p_vout->p->psz_filter_chain );
457 p_vout->p->b_title_show = false;
460 /* Create the vout thread */
461 char *psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
464 p_vout->p->p_cfg = p_cfg;
466 /* Create a few object variables for interface interaction */
467 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
468 text.psz_string = _("Filters");
469 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
470 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
473 DeinterlaceEnable( p_vout );
475 if( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain )
478 if( asprintf( &psz_tmp, "%s,none", psz_name ) < 0 )
479 psz_tmp = strdup( "" );
483 p_vout->p->psz_module_name = psz_name;
486 vlc_object_set_destructor( p_vout, vout_Destructor );
489 vlc_cond_init( &p_vout->p->change_wait );
490 if( vlc_clone( &p_vout->p->thread, RunThread, p_vout,
491 VLC_THREAD_PRIORITY_OUTPUT ) )
493 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
494 spu_Destroy( p_vout->p->p_spu );
495 p_vout->p->p_spu = NULL;
496 vlc_object_release( p_vout );
500 vlc_mutex_lock( &p_vout->change_lock );
501 while( !p_vout->p->b_ready )
502 { /* We are (ab)using the same condition in opposite directions for
503 * b_ready and b_done. This works because of the strict ordering. */
504 assert( !p_vout->p->b_done );
505 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
507 vlc_mutex_unlock( &p_vout->change_lock );
509 if( p_vout->p->b_error )
511 msg_Err( p_vout, "video output creation failed" );
512 vout_CloseAndRelease( p_vout );
519 /*****************************************************************************
520 * vout_Close: Close a vout created by vout_Create.
521 *****************************************************************************
522 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
523 * You should NEVER call it on vout not obtained through vout_Create
524 * (like with vout_Request or vlc_object_find.)
525 * You can use vout_CloseAndRelease() as a convenience method.
526 *****************************************************************************/
527 void vout_Close( vout_thread_t *p_vout )
531 vlc_mutex_lock( &p_vout->change_lock );
532 p_vout->p->b_done = true;
533 vlc_cond_signal( &p_vout->p->change_wait );
534 vlc_mutex_unlock( &p_vout->change_lock );
536 vout_snapshot_End( &p_vout->p->snapshot );
538 vlc_join( p_vout->p->thread, NULL );
542 static void vout_Destructor( vlc_object_t * p_this )
544 vout_thread_t *p_vout = (vout_thread_t *)p_this;
546 /* Make sure the vout was stopped first */
547 //assert( !p_vout->p_module );
549 free( p_vout->p->psz_module_name );
552 if( p_vout->p->p_spu )
553 spu_Destroy( p_vout->p->p_spu );
555 /* Destroy the locks */
556 vlc_cond_destroy( &p_vout->p->change_wait );
557 vlc_cond_destroy( &p_vout->p->picture_wait );
558 vlc_mutex_destroy( &p_vout->picture_lock );
559 vlc_mutex_destroy( &p_vout->change_lock );
560 vlc_mutex_destroy( &p_vout->p->vfilter_lock );
563 vout_statistic_Clean( &p_vout->p->statistic );
566 vout_snapshot_Clean( &p_vout->p->snapshot );
569 free( p_vout->p->psz_filter_chain );
570 free( p_vout->p->psz_title );
572 config_ChainDestroy( p_vout->p->p_cfg );
579 void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
581 vlc_mutex_lock( &p_vout->change_lock );
583 assert( !p_vout->p->b_paused || !b_paused );
585 vlc_mutex_lock( &p_vout->picture_lock );
587 p_vout->p->i_picture_displayed_date = 0;
589 if( p_vout->p->b_paused )
591 const mtime_t i_duration = i_date - p_vout->p->i_pause_date;
593 for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
595 picture_t *p_pic = PP_RENDERPICTURE[i_index];
597 if( p_pic->i_status == READY_PICTURE )
598 p_pic->date += i_duration;
600 vlc_cond_signal( &p_vout->p->picture_wait );
601 vlc_mutex_unlock( &p_vout->picture_lock );
603 spu_OffsetSubtitleDate( p_vout->p->p_spu, i_duration );
607 vlc_mutex_unlock( &p_vout->picture_lock );
609 p_vout->p->b_paused = b_paused;
610 p_vout->p->i_pause_date = i_date;
612 vlc_mutex_unlock( &p_vout->change_lock );
615 void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
617 vout_statistic_GetReset( &p_vout->p->statistic,
618 pi_displayed, pi_lost );
621 void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
623 vlc_mutex_lock( &p_vout->picture_lock );
624 p_vout->p->i_picture_displayed_date = 0;
625 for( int i = 0; i < p_vout->render.i_pictures; i++ )
627 picture_t *p_pic = p_vout->render.pp_picture[i];
629 if( p_pic->i_status == READY_PICTURE ||
630 p_pic->i_status == DISPLAYED_PICTURE )
632 /* We cannot change picture status if it is in READY_PICTURE state,
633 * Just make sure they won't be displayed */
634 if( p_pic->date > i_date )
635 p_pic->date = i_date;
638 vlc_cond_signal( &p_vout->p->picture_wait );
639 vlc_mutex_unlock( &p_vout->picture_lock );
642 void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
644 int i_pic, i_ready_pic;
646 vlc_mutex_lock( &p_vout->picture_lock );
648 for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->render.i_pictures && !b_forced; i_pic++ )
650 const picture_t *p_pic = p_vout->render.pp_picture[i_pic];
652 if( p_pic->i_status == READY_PICTURE )
655 /* If we have at least 2 ready pictures, wait for the vout thread to
657 if( i_ready_pic >= 2 )
663 if( p_pic->i_status == DISPLAYED_PICTURE )
665 /* If at least one displayed picture is not referenced
666 * let vout free it */
667 if( p_pic->i_refcount == 0 )
671 if( i_pic < p_vout->render.i_pictures && !b_forced )
673 vlc_mutex_unlock( &p_vout->picture_lock );
677 /* Too many pictures are still referenced, there is probably a bug
678 * with the decoder */
680 msg_Err( p_vout, "pictures leaked, resetting the heap" );
682 /* Just free all the pictures */
683 for( i_pic = 0; i_pic < p_vout->render.i_pictures; i_pic++ )
685 picture_t *p_pic = p_vout->render.pp_picture[i_pic];
687 msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
688 p_pic->i_refcount = 0;
690 switch( p_pic->i_status )
693 case DISPLAYED_PICTURE:
694 case RESERVED_PICTURE:
695 if( p_pic != p_vout->p->p_picture_displayed )
696 vout_UsePictureLocked( p_vout, p_pic );
700 vlc_cond_signal( &p_vout->p->picture_wait );
701 vlc_mutex_unlock( &p_vout->picture_lock );
703 void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
705 vlc_mutex_lock( &p_vout->picture_lock );
707 const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;
709 p_vout->p->b_picture_displayed = false;
710 p_vout->p->b_picture_empty = false;
711 if( p_vout->p->p_picture_displayed )
713 p_vout->p->p_picture_displayed->date = 1;
714 vlc_cond_signal( &p_vout->p->picture_wait );
717 while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
718 vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->picture_lock );
720 *pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );
722 /* TODO advance subpicture by the duration ... */
724 vlc_mutex_unlock( &p_vout->picture_lock );
727 void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
731 if( !var_InheritBool( p_vout, "osd" ) )
734 vlc_mutex_lock( &p_vout->change_lock );
735 free( p_vout->p->psz_title );
736 p_vout->p->psz_title = strdup( psz_title );
737 vlc_mutex_unlock( &p_vout->change_lock );
740 spu_t *vout_GetSpu( vout_thread_t *p_vout )
742 return p_vout->p->p_spu;
745 /*****************************************************************************
746 * InitThread: initialize video output thread
747 *****************************************************************************
748 * This function is called from RunThread and performs the second step of the
749 * initialization. It returns 0 on success. Note that the thread's flag are not
750 * modified inside this function.
751 * XXX You have to enter it with change_lock taken.
752 *****************************************************************************/
753 static int InitThread( vout_thread_t *p_vout )
757 /* Initialize output method, it allocates direct buffers for us */
758 if( vout_InitWrapper( p_vout ) )
761 p_vout->p->p_picture_displayed = NULL;
763 if( !I_OUTPUTPICTURES )
765 msg_Err( p_vout, "plugin was unable to allocate at least "
766 "one direct buffer" );
767 vout_EndWrapper( p_vout );
771 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
773 msg_Err( p_vout, "plugin allocated too many direct buffers, "
774 "our internal buffers must have overflown." );
775 vout_EndWrapper( p_vout );
779 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
781 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
783 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
784 p_vout->output.i_width;
785 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
786 p_vout->output.i_height;
787 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
789 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
791 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
793 p_vout->fmt_out.i_sar_num = p_vout->output.i_aspect *
794 p_vout->fmt_out.i_height;
795 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
796 p_vout->fmt_out.i_width;
799 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
800 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
802 /* FIXME removed the need of both fmt_* and heap infos */
803 /* Calculate shifts from system-updated masks */
804 video_format_FixRgb( &p_vout->fmt_render );
805 video_format_FixRgb( &p_vout->fmt_out );
807 /* print some usefull debug info about different vout formats
809 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",
810 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
811 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
812 p_vout->fmt_render.i_visible_width,
813 p_vout->fmt_render.i_visible_height,
814 (char*)&p_vout->fmt_render.i_chroma,
815 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den,
816 p_vout->fmt_render.i_rmask, p_vout->fmt_render.i_gmask, p_vout->fmt_render.i_bmask );
818 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",
819 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
820 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
821 p_vout->fmt_in.i_visible_width,
822 p_vout->fmt_in.i_visible_height,
823 (char*)&p_vout->fmt_in.i_chroma,
824 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den,
825 p_vout->fmt_in.i_rmask, p_vout->fmt_in.i_gmask, p_vout->fmt_in.i_bmask );
827 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",
828 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
829 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
830 p_vout->fmt_out.i_visible_width,
831 p_vout->fmt_out.i_visible_height,
832 (char*)&p_vout->fmt_out.i_chroma,
833 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den,
834 p_vout->fmt_out.i_rmask, p_vout->fmt_out.i_gmask, p_vout->fmt_out.i_bmask );
836 assert( p_vout->output.i_width == p_vout->render.i_width &&
837 p_vout->output.i_height == p_vout->render.i_height &&
838 p_vout->output.i_chroma == p_vout->render.i_chroma );
839 /* Check whether we managed to create direct buffers similar to
840 * the render buffers, ie same size and chroma */
842 /* Cool ! We have direct buffers, we can ask the decoder to
843 * directly decode into them ! Map the first render buffers to
844 * the first direct buffers, but keep the first direct buffer
845 * for memcpy operations */
846 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
848 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
849 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
850 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
852 /* We have enough direct buffers so there's no need to
853 * try to use system memory buffers. */
856 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
860 msg_Dbg( p_vout, "direct render, mapping "
861 "render pictures 0-%i to system pictures 1-%i",
862 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
867 /*****************************************************************************
868 * RunThread: video output thread
869 *****************************************************************************
870 * Video output thread. This function does only returns when the thread is
871 * terminated. It handles the pictures arriving in the video heap and the
872 * display device events.
873 *****************************************************************************/
874 static void* RunThread( void *p_this )
876 vout_thread_t *p_vout = p_this;
878 int i_idle_loops = 0; /* loops without displaying a picture */
879 int i_picture_qtype_last = QTYPE_NONE;
880 bool b_picture_interlaced_last = false;
881 mtime_t i_picture_interlaced_last_date;
886 b_has_wrapper = !vout_OpenWrapper( p_vout, p_vout->p->psz_module_name );
888 vlc_mutex_lock( &p_vout->change_lock );
891 p_vout->p->b_error = InitThread( p_vout );
893 p_vout->p->b_error = true;
895 /* signal the creation of the vout */
896 p_vout->p->b_ready = true;
897 vlc_cond_signal( &p_vout->p->change_wait );
899 if( p_vout->p->b_error )
903 const bool b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
904 i_picture_interlaced_last_date = mdate();
907 * Main loop - it is not executed if an error occurred during
910 while( !p_vout->p->b_done && !p_vout->p->b_error )
912 /* Initialize loop variables */
913 const mtime_t current_date = mdate();
914 picture_t *p_picture;
915 picture_t *p_filtered_picture;
916 mtime_t display_date;
917 picture_t *p_directbuffer;
920 if( p_vout->p->b_title_show && p_vout->p->psz_title )
921 DisplayTitleOnOSD( p_vout );
923 vlc_mutex_lock( &p_vout->picture_lock );
925 /* Look for the earliest picture but after the last displayed one */
926 picture_t *p_last = p_vout->p->p_picture_displayed;;
929 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
931 picture_t *p_pic = PP_RENDERPICTURE[i_index];
933 if( p_pic->i_status != READY_PICTURE )
936 if( p_vout->p->b_paused && p_last && p_last->date > 1 )
939 if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
941 /* Drop old picture */
942 vout_UsePictureLocked( p_vout, p_pic );
944 else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
945 p_pic->date < current_date + p_vout->p->render_time &&
948 /* Picture is late: it will be destroyed and the thread
949 * will directly choose the next picture */
950 vout_UsePictureLocked( p_vout, p_pic );
951 vout_statistic_Update( &p_vout->p->statistic, 0, 1 );
953 msg_Warn( p_vout, "late picture skipped (%"PRId64" > %d)",
954 current_date - p_pic->date, - p_vout->p->render_time );
956 else if( ( !p_last || p_last->date < p_pic->date ) &&
957 ( p_picture == NULL || p_pic->date < p_picture->date ) )
966 if( !p_vout->p->b_picture_empty )
968 p_vout->p->b_picture_empty = true;
969 vlc_cond_signal( &p_vout->p->picture_wait );
976 display_date = p_picture->date;
978 /* If we found better than the last picture, destroy it */
979 if( p_last && p_picture != p_last )
981 vout_UsePictureLocked( p_vout, p_last );
982 p_vout->p->p_picture_displayed = p_last = NULL;
985 /* Compute FPS rate */
986 p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
988 if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
990 /* A picture is ready to be rendered, but its rendering date
991 * is far from the current one so the thread will perform an
992 * empty loop as if no picture were found. The picture state
997 else if( p_picture == p_last )
999 /* We are asked to repeat the previous picture, but we first
1000 * wait for a couple of idle loops */
1001 if( i_idle_loops < 4 )
1008 /* We set the display date to something high, otherwise
1009 * we'll have lots of problems with late pictures */
1010 display_date = current_date + p_vout->p->render_time;
1013 else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1015 display_date = current_date + VOUT_DISPLAY_DELAY;
1020 if( p_picture->date > 1 )
1022 p_vout->p->i_picture_displayed_date = p_picture->date;
1023 if( p_picture != p_last && !p_vout->p->b_picture_displayed )
1025 p_vout->p->b_picture_displayed = true;
1026 vlc_cond_signal( &p_vout->p->picture_wait );
1029 p_vout->p->p_picture_displayed = p_picture;
1034 const int i_postproc_type = p_vout->p->i_picture_qtype;
1035 const int i_postproc_state = (p_vout->p->i_picture_qtype != QTYPE_NONE) - (i_picture_qtype_last != QTYPE_NONE);
1037 const bool b_picture_interlaced = p_vout->p->b_picture_interlaced;
1038 const int i_picture_interlaced_state = (!!p_vout->p->b_picture_interlaced) - (!!b_picture_interlaced_last);
1040 vlc_mutex_unlock( &p_vout->picture_lock );
1042 if( p_picture == NULL )
1045 p_filtered_picture = NULL;
1048 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1049 p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
1051 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1054 const bool b_snapshot = vout_snapshot_IsRequested( &p_vout->p->snapshot );
1057 * Check for subpictures to display
1059 mtime_t spu_render_time;
1060 if( p_vout->p->b_paused )
1061 spu_render_time = p_vout->p->i_pause_date;
1062 else if( p_picture )
1063 spu_render_time = p_picture->date > 1 ? p_picture->date : mdate();
1065 spu_render_time = 0;
1067 subpicture_t *p_subpic = spu_SortSubpictures( p_vout->p->p_spu,
1073 vout_statistic_Update( &p_vout->p->statistic, 1, 0 );
1074 p_directbuffer = vout_RenderPicture( p_vout,
1075 p_filtered_picture, p_subpic,
1079 * Take a snapshot if requested
1081 if( p_directbuffer && b_snapshot )
1082 vout_snapshot_Set( &p_vout->p->snapshot,
1083 &p_vout->fmt_out, p_directbuffer );
1086 * Call the plugin-specific rendering method if there is one
1088 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1090 /* Render the direct buffer returned by vout_RenderPicture */
1091 vout_RenderWrapper( p_vout, p_directbuffer );
1097 if( display_date != 0 && p_directbuffer != NULL )
1099 mtime_t current_render_time = mdate() - current_date;
1100 /* if render time is very large we don't include it in the mean */
1101 if( current_render_time < p_vout->p->render_time +
1102 VOUT_DISPLAY_DELAY )
1104 /* Store render time using a sliding mean weighting to
1105 * current value in a 3 to 1 ratio*/
1106 p_vout->p->render_time *= 3;
1107 p_vout->p->render_time += current_render_time;
1108 p_vout->p->render_time >>= 2;
1111 msg_Dbg( p_vout, "skipped big render time %d > %d", (int) current_render_time,
1112 (int) (p_vout->p->render_time +VOUT_DISPLAY_DELAY ) ) ;
1115 /* Give back change lock */
1116 vlc_mutex_unlock( &p_vout->change_lock );
1118 /* Sleep a while or until a given date */
1119 if( display_date != 0 )
1121 /* If there are *vout* filters in the chain, better give them the picture
1123 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
1125 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1130 /* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
1131 vlc_mutex_lock( &p_vout->picture_lock );
1132 vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->picture_lock, current_date + VOUT_IDLE_SLEEP );
1133 vlc_mutex_unlock( &p_vout->picture_lock );
1136 /* On awakening, take back lock and send immediately picture
1138 /* Note: p_vout->p->b_done could be true here and now */
1139 vlc_mutex_lock( &p_vout->change_lock );
1142 * Display the previously rendered picture
1144 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1146 /* Display the direct buffer returned by vout_RenderPicture */
1147 vout_DisplayWrapper( p_vout, p_directbuffer );
1149 /* Tell the vout this was the last picture and that it does not
1150 * need to be forced anymore. */
1151 p_picture->b_force = false;
1154 /* Drop the filtered picture if created by video filters */
1155 if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1157 vlc_mutex_lock( &p_vout->picture_lock );
1158 vout_UsePictureLocked( p_vout, p_filtered_picture );
1159 vlc_mutex_unlock( &p_vout->picture_lock );
1162 if( p_picture != NULL )
1164 /* Reinitialize idle loop count */
1169 * Check events and manage thread
1171 if( vout_ManageWrapper( p_vout ) )
1173 /* A fatal error occurred, and the thread must terminate
1174 * immediately, without displaying anything - setting b_error to 1
1175 * causes the immediate end of the main while() loop. */
1177 p_vout->p->b_error = 1;
1181 if( p_vout->i_changes & VOUT_ON_TOP_CHANGE )
1182 p_vout->i_changes &= ~VOUT_ON_TOP_CHANGE;
1184 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1186 /* This happens when the picture buffers need to be recreated.
1187 * This is useful on multimonitor displays for instance.
1189 * Warning: This only works when the vout creates only 1 picture
1191 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1193 vlc_mutex_lock( &p_vout->picture_lock );
1195 vout_EndWrapper( p_vout );
1197 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1199 p_vout->p->b_error = InitThread( p_vout );
1200 if( p_vout->p->b_error )
1201 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed" );
1203 vlc_cond_signal( &p_vout->p->picture_wait );
1204 vlc_mutex_unlock( &p_vout->picture_lock );
1206 if( p_vout->p->b_error )
1210 /* Post processing */
1211 if( i_postproc_state == 1 )
1212 PostProcessEnable( p_vout );
1213 else if( i_postproc_state == -1 )
1214 PostProcessDisable( p_vout );
1215 if( i_postproc_state != 0 )
1216 i_picture_qtype_last = i_postproc_type;
1219 * Wait 30s before quiting interlacing mode */
1220 if( ( i_picture_interlaced_state == 1 ) ||
1221 ( i_picture_interlaced_state == -1 && i_picture_interlaced_last_date + 30000000 < current_date ) )
1223 DeinterlaceNeeded( p_vout, b_picture_interlaced );
1224 b_picture_interlaced_last = b_picture_interlaced;
1226 if( b_picture_interlaced )
1227 i_picture_interlaced_last_date = current_date;
1230 /* Check for "video filter2" changes */
1231 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1232 if( p_vout->p->psz_vf2 )
1236 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1237 fmt.video = p_vout->fmt_render;
1238 filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
1240 if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
1241 p_vout->p->psz_vf2 ) < 0 )
1242 msg_Err( p_vout, "Video filter chain creation failed" );
1244 free( p_vout->p->psz_vf2 );
1245 p_vout->p->psz_vf2 = NULL;
1247 if( i_picture_qtype_last != QTYPE_NONE )
1248 PostProcessSetFilterQuality( p_vout );
1250 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1254 * Error loop - wait until the thread destruction is requested
1256 if( p_vout->p->b_error )
1257 ErrorThread( p_vout );
1260 CleanThread( p_vout );
1264 EndThread( p_vout );
1265 vlc_mutex_unlock( &p_vout->change_lock );
1268 vout_CloseWrapper( p_vout );
1273 /*****************************************************************************
1274 * ErrorThread: RunThread() error loop
1275 *****************************************************************************
1276 * This function is called when an error occurred during thread main's loop.
1277 * The thread can still receive feed, but must be ready to terminate as soon
1279 *****************************************************************************/
1280 static void ErrorThread( vout_thread_t *p_vout )
1282 /* Wait until a `close' order */
1283 while( !p_vout->p->b_done )
1284 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
1287 /*****************************************************************************
1288 * CleanThread: clean up after InitThread
1289 *****************************************************************************
1290 * This function is called after a sucessful
1291 * initialization. It frees all resources allocated by InitThread.
1292 * XXX You have to enter it with change_lock taken.
1293 *****************************************************************************/
1294 static void CleanThread( vout_thread_t *p_vout )
1296 int i_index; /* index in heap */
1298 /* Destroy all remaining pictures */
1299 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1301 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1303 free( p_vout->p_picture[i_index].p_data_orig );
1307 /* Destroy translation tables */
1308 if( !p_vout->p->b_error )
1309 vout_EndWrapper( p_vout );
1312 /*****************************************************************************
1313 * EndThread: thread destruction
1314 *****************************************************************************
1315 * This function is called when the thread ends.
1316 * It frees all resources not allocated by InitThread.
1317 * XXX You have to enter it with change_lock taken.
1318 *****************************************************************************/
1319 static void EndThread( vout_thread_t *p_vout )
1321 /* FIXME does that function *really* need to be called inside the thread ? */
1323 /* Detach subpicture unit from both input and vout */
1324 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
1325 vlc_object_detach( p_vout->p->p_spu );
1327 /* Destroy the video filters2 */
1328 filter_chain_Delete( p_vout->p->p_vf2_chain );
1331 /* following functions are local */
1333 /*****************************************************************************
1334 * object variables callbacks: a bunch of object variables are used by the
1335 * interfaces to interact with the vout.
1336 *****************************************************************************/
1337 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1338 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1340 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1341 input_thread_t *p_input;
1342 (void)psz_cmd; (void)oldval; (void)p_data;
1344 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1348 msg_Err( p_vout, "Input not found" );
1349 return VLC_EGENERIC;
1352 var_SetBool( p_vout, "intf-change", true );
1354 /* Modify input as well because the vout might have to be restarted */
1355 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1356 var_SetString( p_input, "vout-filter", newval.psz_string );
1358 /* Now restart current video stream */
1359 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1360 vlc_object_release( p_input );
1365 /*****************************************************************************
1366 * Video Filter2 stuff
1367 *****************************************************************************/
1368 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1369 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1371 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1372 (void)psz_cmd; (void)oldval; (void)p_data;
1374 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1375 p_vout->p->psz_vf2 = strdup( newval.psz_string );
1376 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1381 /*****************************************************************************
1383 *****************************************************************************/
1384 static bool PostProcessIsPresent( const char *psz_filter )
1386 const char *psz_pp = "postproc";
1387 const size_t i_pp = strlen(psz_pp);
1388 return psz_filter &&
1389 !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) &&
1390 ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' );
1393 static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd,
1394 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1396 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1397 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1399 static const char *psz_pp = "postproc";
1401 char *psz_vf2 = var_GetString( p_vout, "video-filter" );
1403 if( newval.i_int <= 0 )
1405 if( PostProcessIsPresent( psz_vf2 ) )
1407 strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] );
1408 if( *psz_vf2 == ':' )
1409 strcpy( psz_vf2, &psz_vf2[1] );
1414 if( !PostProcessIsPresent( psz_vf2 ) )
1418 char *psz_tmp = psz_vf2;
1419 if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 )
1426 psz_vf2 = strdup( psz_pp );
1432 var_SetString( p_vout, "video-filter", psz_vf2 );
1438 static void PostProcessEnable( vout_thread_t *p_vout )
1441 msg_Dbg( p_vout, "Post-processing available" );
1442 var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
1443 text.psz_string = _("Post processing");
1444 var_Change( p_vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL );
1446 for( int i = 0; i <= 6; i++ )
1453 snprintf( psz_text, sizeof(psz_text), "%d", i );
1455 text.psz_string = _("Disable");
1457 text.psz_string = psz_text;
1458 var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text );
1460 var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL );
1463 char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" );
1464 int i_postproc_q = 0;
1465 if( PostProcessIsPresent( psz_filter ) )
1466 i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" );
1468 var_SetInteger( p_vout, "postprocess", i_postproc_q );
1472 static void PostProcessDisable( vout_thread_t *p_vout )
1474 msg_Dbg( p_vout, "Post-processing no more available" );
1475 var_Destroy( p_vout, "postprocess" );
1477 static void PostProcessSetFilterQuality( vout_thread_t *p_vout )
1479 vlc_object_t *p_pp = vlc_object_find_name( p_vout, "postproc", FIND_CHILD );
1483 var_SetInteger( p_pp, "postproc-q", var_GetInteger( p_vout, "postprocess" ) );
1484 vlc_object_release( p_pp );
1488 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1490 const mtime_t i_start = mdate();
1491 const mtime_t i_stop = i_start + INT64_C(1000) * p_vout->p->i_title_timeout;
1493 if( i_stop <= i_start )
1496 vlc_assert_locked( &p_vout->change_lock );
1498 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1499 p_vout->p->psz_title, NULL,
1500 p_vout->p->i_title_position,
1501 30 + p_vout->fmt_in.i_width
1502 - p_vout->fmt_in.i_visible_width
1503 - p_vout->fmt_in.i_x_offset,
1504 20 + p_vout->fmt_in.i_y_offset,
1507 free( p_vout->p->psz_title );
1509 p_vout->p->psz_title = NULL;
1512 /*****************************************************************************
1514 *****************************************************************************/
1517 const char *psz_mode;
1519 } deinterlace_mode_t;
1522 * You can use the non vout filter if and only if the video properties stay the
1523 * same (width/height/chroma/fps), at least for now.
1525 static const deinterlace_mode_t p_deinterlace_mode[] = {
1527 //{ "discard", true },
1531 //{ "linear", true },
1533 //{ "yadif", true },
1534 //{ "yadif2x", true },
1537 static const deinterlace_mode_t *DeinterlaceGetMode( const char *psz_mode )
1539 for( const deinterlace_mode_t *p_mode = &p_deinterlace_mode[0]; p_mode->psz_mode; p_mode++ )
1541 if( !strcmp( p_mode->psz_mode, psz_mode ) )
1547 static char *FilterFind( char *psz_filter_base, const char *psz_module )
1549 const size_t i_module = strlen( psz_module );
1550 const char *psz_filter = psz_filter_base;
1552 if( !psz_filter || i_module <= 0 )
1557 char *psz_find = strstr( psz_filter, psz_module );
1560 if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' )
1562 psz_filter = &psz_find[i_module];
1566 static bool DeinterlaceIsPresent( vout_thread_t *p_vout, bool b_vout_filter )
1568 char *psz_filter = var_GetNonEmptyString( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1570 bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL;
1577 static void DeinterlaceRemove( vout_thread_t *p_vout, bool b_vout_filter )
1579 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1580 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1582 char *psz = FilterFind( psz_filter, "deinterlace" );
1590 strcpy( &psz[0], &psz[strlen("deinterlace")] );
1592 strcpy( &psz[0], &psz[1] );
1594 var_SetString( p_vout, psz_variable, psz_filter );
1597 static void DeinterlaceAdd( vout_thread_t *p_vout, bool b_vout_filter )
1599 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1601 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1603 if( FilterFind( psz_filter, "deinterlace" ) )
1612 char *psz_tmp = psz_filter;
1613 if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 )
1614 psz_filter = psz_tmp;
1620 psz_filter = strdup( "deinterlace" );
1625 var_SetString( p_vout, psz_variable, psz_filter );
1630 static void DeinterlaceSave( vout_thread_t *p_vout, int i_deinterlace, const char *psz_mode, bool is_needed )
1632 /* We have to set input variable to ensure restart support
1633 * XXX it is only needed because of vout-filter but must be done
1634 * for non video filter anyway */
1635 vlc_object_t *p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
1639 /* Another hack for "vout filter" mode */
1640 if( i_deinterlace < 0 )
1641 i_deinterlace = is_needed ? -2 : -3;
1643 var_Create( p_input, "deinterlace", VLC_VAR_INTEGER );
1644 var_SetInteger( p_input, "deinterlace", i_deinterlace );
1646 static const char * const ppsz_variable[] = {
1648 "filter-deinterlace-mode",
1649 "sout-deinterlace-mode",
1652 for( int i = 0; ppsz_variable[i]; i++ )
1654 var_Create( p_input, ppsz_variable[i], VLC_VAR_STRING );
1655 var_SetString( p_input, ppsz_variable[i], psz_mode );
1658 vlc_object_release( p_input );
1660 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1661 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1663 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(p_data);
1664 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1667 const int i_deinterlace = var_GetInteger( p_this, "deinterlace" );
1668 char *psz_mode = var_GetString( p_this, "deinterlace-mode" );
1669 const bool is_needed = var_GetBool( p_this, "deinterlace-needed" );
1671 return VLC_EGENERIC;
1673 DeinterlaceSave( p_vout, i_deinterlace, psz_mode, is_needed );
1676 bool b_vout_filter = false;
1677 const deinterlace_mode_t *p_mode = DeinterlaceGetMode( psz_mode );
1679 b_vout_filter = p_mode->b_vout_filter;
1685 psz_old = var_CreateGetString( p_vout, "filter-deinterlace-mode" );
1689 psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" );
1690 var_SetString( p_vout, "sout-deinterlace-mode", psz_mode );
1693 msg_Dbg( p_vout, "deinterlace %d, mode %s, is_needed %d", i_deinterlace, psz_mode, is_needed );
1694 if( i_deinterlace == 0 || ( i_deinterlace == -1 && !is_needed ) )
1696 DeinterlaceRemove( p_vout, false );
1697 DeinterlaceRemove( p_vout, true );
1701 if( !DeinterlaceIsPresent( p_vout, b_vout_filter ) )
1703 DeinterlaceRemove( p_vout, !b_vout_filter );
1704 DeinterlaceAdd( p_vout, b_vout_filter );
1708 /* The deinterlace filter was already inserted but we have changed the mode */
1709 DeinterlaceRemove( p_vout, !b_vout_filter );
1710 if( psz_old && strcmp( psz_old, psz_mode ) )
1711 var_TriggerCallback( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1721 static void DeinterlaceEnable( vout_thread_t *p_vout )
1723 vlc_value_t val, text;
1725 if( !p_vout->p->b_first_vout )
1728 msg_Dbg( p_vout, "Deinterlacing available" );
1730 /* Create the configuration variables */
1732 var_Create( p_vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1733 int i_deinterlace = var_GetInteger( p_vout, "deinterlace" );
1735 text.psz_string = _("Deinterlace");
1736 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
1738 const module_config_t *p_optd = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace" );
1739 var_Change( p_vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL );
1740 for( int i = 0; p_optd && i < p_optd->i_list; i++ )
1742 val.i_int = p_optd->pi_list[i];
1743 text.psz_string = (char*)vlc_gettext(p_optd->ppsz_list_text[i]);
1744 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
1746 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
1748 var_Create( p_vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1749 char *psz_deinterlace = var_GetNonEmptyString( p_vout, "deinterlace-mode" );
1751 text.psz_string = _("Deinterlace mode");
1752 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL );
1754 const module_config_t *p_optm = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace-mode" );
1755 var_Change( p_vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL );
1756 for( int i = 0; p_optm && i < p_optm->i_list; i++ )
1758 if( !DeinterlaceGetMode( p_optm->ppsz_list[i] ) )
1761 val.psz_string = p_optm->ppsz_list[i];
1762 text.psz_string = (char*)vlc_gettext(p_optm->ppsz_list_text[i]);
1763 var_Change( p_vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text );
1765 var_AddCallback( p_vout, "deinterlace-mode", DeinterlaceCallback, NULL );
1767 var_Create( p_vout, "deinterlace-needed", VLC_VAR_BOOL );
1768 var_AddCallback( p_vout, "deinterlace-needed", DeinterlaceCallback, NULL );
1770 /* Override the initial value from filters if present */
1771 char *psz_filter_mode = NULL;
1772 if( DeinterlaceIsPresent( p_vout, true ) )
1773 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "filter-deinterlace-mode" );
1774 else if( DeinterlaceIsPresent( p_vout, false ) )
1775 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" );
1776 if( psz_filter_mode )
1778 free( psz_deinterlace );
1779 if( i_deinterlace >= -1 )
1781 psz_deinterlace = psz_filter_mode;
1785 if( i_deinterlace == -2 )
1786 p_vout->p->b_picture_interlaced = true;
1787 else if( i_deinterlace == -3 )
1788 p_vout->p->b_picture_interlaced = false;
1789 if( i_deinterlace < 0 )
1793 val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz;
1794 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL );
1795 val.b_bool = p_vout->p->b_picture_interlaced;
1796 var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL );
1798 var_SetInteger( p_vout, "deinterlace", i_deinterlace );
1799 free( psz_deinterlace );
1802 static void DeinterlaceNeeded( vout_thread_t *p_vout, bool is_interlaced )
1804 msg_Dbg( p_vout, "Detected %s video",
1805 is_interlaced ? "interlaced" : "progressive" );
1806 var_SetBool( p_vout, "deinterlace-needed", is_interlaced );