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 VideoFormatImportRgb( video_format_t *, const picture_heap_t * );
70 static void PictureHeapFixRgb( picture_heap_t * );
72 static void vout_Destructor ( vlc_object_t * p_this );
74 /* Object variables callbacks */
75 static int FilterCallback( vlc_object_t *, char const *,
76 vlc_value_t, vlc_value_t, void * );
77 static int VideoFilter2Callback( vlc_object_t *, char const *,
78 vlc_value_t, vlc_value_t, void * );
81 static void PostProcessEnable( vout_thread_t * );
82 static void PostProcessDisable( vout_thread_t * );
83 static void PostProcessSetFilterQuality( vout_thread_t *p_vout );
84 static int PostProcessCallback( vlc_object_t *, char const *,
85 vlc_value_t, vlc_value_t, void * );
87 static void DeinterlaceEnable( vout_thread_t * );
88 static void DeinterlaceNeeded( vout_thread_t *, bool );
90 /* From vout_intf.c */
91 int vout_Snapshot( vout_thread_t *, picture_t * );
93 /* Display media title in OSD */
94 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
96 /* Time during which the thread will sleep if it has nothing to
97 * display (in micro-seconds) */
98 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
100 /* Maximum lap of time allowed between the beginning of rendering and
101 * display. If, compared to the current date, the next image is too
102 * late, the thread will perform an idle loop. This time should be
103 * at least VOUT_IDLE_SLEEP plus the time required to render a few
104 * images, to avoid trashing of decoded images */
105 #define VOUT_DISPLAY_DELAY ((int)(0.200*CLOCK_FREQ))
107 /* Better be in advance when awakening than late... */
108 #define VOUT_MWAIT_TOLERANCE ((mtime_t)(0.020*CLOCK_FREQ))
110 /* Minimum number of direct pictures the video output will accept without
111 * creating additional pictures in system memory */
112 #ifdef OPTIMIZE_MEMORY
113 # define VOUT_MIN_DIRECT_PICTURES (VOUT_MAX_PICTURES/2)
115 # define VOUT_MIN_DIRECT_PICTURES (3*VOUT_MAX_PICTURES/4)
118 /*****************************************************************************
119 * Video Filter2 functions
120 *****************************************************************************/
121 static picture_t *video_new_buffer_filter( filter_t *p_filter )
123 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
124 picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
126 p_picture->i_status = READY_PICTURE;
131 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
133 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
135 vlc_mutex_lock( &p_vout->picture_lock );
136 vout_UsePictureLocked( p_vout, p_pic );
137 vlc_mutex_unlock( &p_vout->picture_lock );
140 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
142 p_filter->pf_video_buffer_new = video_new_buffer_filter;
143 p_filter->pf_video_buffer_del = video_del_buffer_filter;
144 p_filter->p_owner = p_data; /* p_vout */
149 /*****************************************************************************
150 * vout_Request: find a video output thread, create one, or destroy one.
151 *****************************************************************************
152 * This function looks for a video output thread matching the current
153 * properties. If not found, it spawns a new one.
154 *****************************************************************************/
155 vout_thread_t *vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
156 video_format_t *p_fmt )
160 /* Video output is no longer used.
161 * TODO: support for reusing video outputs with proper _thread-safe_
162 * reference handling. */
164 vout_CloseAndRelease( p_vout );
168 /* If a video output was provided, lock it, otherwise look for one. */
171 vlc_object_hold( p_vout );
174 /* TODO: find a suitable unused video output */
176 /* If we now have a video output, check it has the right properties */
179 vlc_mutex_lock( &p_vout->change_lock );
181 /* We don't directly check for the "vout-filter" variable for obvious
182 * performance reasons. */
183 if( p_vout->p->b_filter_change )
185 char *psz_filter_chain = var_GetString( p_vout, "vout-filter" );
187 if( psz_filter_chain && !*psz_filter_chain )
189 free( psz_filter_chain );
190 psz_filter_chain = NULL;
192 if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
194 free( p_vout->p->psz_filter_chain );
195 p_vout->p->psz_filter_chain = NULL;
198 if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
200 p_vout->p->b_filter_change = false;
203 free( psz_filter_chain );
206 if( p_vout->fmt_render.i_chroma != vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma ) ||
207 p_vout->fmt_render.i_width != p_fmt->i_width ||
208 p_vout->fmt_render.i_height != p_fmt->i_height ||
209 p_vout->p->b_filter_change )
211 vlc_mutex_unlock( &p_vout->change_lock );
213 /* We are not interested in this format, close this vout */
214 vout_CloseAndRelease( p_vout );
215 vlc_object_release( p_vout );
220 /* This video output is cool! Hijack it. */
221 /* Correct aspect ratio on change
222 * FIXME factorize this code with other aspect ration related code */
223 unsigned int i_sar_num;
224 unsigned int i_sar_den;
225 vlc_ureduce( &i_sar_num, &i_sar_den,
226 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
228 /* What's that, it does not seems to be used correcly everywhere */
229 if( p_vout->i_par_num > 0 && p_vout->i_par_den > 0 )
231 i_sar_num *= p_vout->i_par_den;
232 i_sar_den *= p_vout->i_par_num;
236 if( i_sar_num > 0 && i_sar_den > 0 &&
237 ( i_sar_num != p_vout->fmt_render.i_sar_num ||
238 i_sar_den != p_vout->fmt_render.i_sar_den ) )
240 p_vout->fmt_in.i_sar_num = i_sar_num;
241 p_vout->fmt_in.i_sar_den = i_sar_den;
243 p_vout->fmt_render.i_sar_num = i_sar_num;
244 p_vout->fmt_render.i_sar_den = i_sar_den;
246 p_vout->render.i_aspect = (int64_t)i_sar_num *
247 p_vout->fmt_render.i_width *
250 p_vout->fmt_render.i_height;
251 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
253 vlc_mutex_unlock( &p_vout->change_lock );
255 vlc_object_release( p_vout );
260 msg_Dbg( p_this, "reusing provided vout" );
262 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
263 vlc_object_detach( p_vout );
265 vlc_object_attach( p_vout, p_this );
266 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
272 msg_Dbg( p_this, "no usable vout present, spawning one" );
274 p_vout = vout_Create( p_this, p_fmt );
281 /*****************************************************************************
282 * vout_Create: creates a new video output thread
283 *****************************************************************************
284 * This function creates a new video output thread, and returns a pointer
285 * to its description. On error, it returns NULL.
286 *****************************************************************************/
287 vout_thread_t * vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
289 vout_thread_t * p_vout; /* thread descriptor */
290 int i_index; /* loop variable */
293 unsigned int i_width = p_fmt->i_width;
294 unsigned int i_height = p_fmt->i_height;
295 vlc_fourcc_t i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma );
297 config_chain_t *p_cfg;
301 if( i_width <= 0 || i_height <= 0 )
304 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
305 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
306 if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
308 unsigned int i_aspect = (int64_t)p_fmt->i_sar_num *
314 /* Allocate descriptor */
315 static const char typename[] = "video output";
316 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
322 p_vout->p = calloc( 1, sizeof(*p_vout->p) );
325 vlc_object_release( p_vout );
329 /* Initialize pictures - translation tables and functions
330 * will be initialized later in InitThread */
331 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
333 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
334 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
335 p_vout->p_picture[i_index].b_slow = 0;
338 /* Initialize the rendering heap */
339 I_RENDERPICTURES = 0;
341 p_vout->fmt_render = *p_fmt; /* FIXME palette */
342 p_vout->fmt_in = *p_fmt; /* FIXME palette */
344 p_vout->render.i_width = i_width;
345 p_vout->render.i_height = i_height;
346 p_vout->render.i_chroma = i_chroma;
347 p_vout->render.i_aspect = i_aspect;
349 p_vout->render.i_rmask = p_fmt->i_rmask;
350 p_vout->render.i_gmask = p_fmt->i_gmask;
351 p_vout->render.i_bmask = p_fmt->i_bmask;
353 p_vout->render.i_last_used_pic = -1;
355 /* Zero the output heap */
356 I_OUTPUTPICTURES = 0;
357 p_vout->output.i_width = 0;
358 p_vout->output.i_height = 0;
359 p_vout->output.i_chroma = 0;
360 p_vout->output.i_aspect = 0;
362 p_vout->output.i_rmask = 0;
363 p_vout->output.i_gmask = 0;
364 p_vout->output.i_bmask = 0;
366 /* Initialize misc stuff */
367 p_vout->i_changes = 0;
368 p_vout->i_zoom = ZOOM_FP_FACTOR;
369 p_vout->b_fullscreen = 0;
370 p_vout->p->render_time = 10;
371 p_vout->p->c_fps_samples = 0;
372 vout_statistic_Init( &p_vout->p->statistic );
373 p_vout->p->b_filter_change = 0;
374 p_vout->p->b_paused = false;
375 p_vout->p->i_pause_date = 0;
376 p_vout->p->i_par_num =
377 p_vout->p->i_par_den = 1;
378 p_vout->p->p_picture_displayed = NULL;
379 p_vout->p->i_picture_displayed_date = 0;
380 p_vout->p->b_picture_displayed = false;
381 p_vout->p->b_picture_empty = false;
382 p_vout->p->i_picture_qtype = QTYPE_NONE;
383 p_vout->p->b_picture_interlaced = false;
385 vlc_mouse_Init( &p_vout->p->mouse );
387 vout_snapshot_Init( &p_vout->p->snapshot );
389 /* Initialize locks */
390 vlc_mutex_init( &p_vout->picture_lock );
391 vlc_cond_init( &p_vout->p->picture_wait );
392 vlc_mutex_init( &p_vout->change_lock );
393 vlc_mutex_init( &p_vout->p->vfilter_lock );
395 /* Mouse coordinates */
396 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
397 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
398 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
399 /* Mouse object (area of interest in a video filter) */
400 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
402 /* Attach the new object now so we can use var inheritance below */
403 vlc_object_attach( p_vout, p_parent );
405 /* Initialize subpicture unit */
406 p_vout->p->p_spu = spu_Create( p_vout );
409 spu_Init( p_vout->p->p_spu );
411 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), true );
413 /* Take care of some "interface/control" related initialisations */
414 vout_IntfInit( p_vout );
416 /* If the parent is not a VOUT object, that means we are at the start of
417 * the video output pipe */
418 if( vlc_internals( p_parent )->i_object_type != VLC_OBJECT_VOUT )
420 /* Look for the default filter configuration */
421 p_vout->p->psz_filter_chain =
422 var_CreateGetStringCommand( p_vout, "vout-filter" );
424 /* Apply video filter2 objects on the first vout */
426 var_CreateGetStringCommand( p_vout, "video-filter" );
428 p_vout->p->b_first_vout = true;
432 /* continue the parent's filter chain */
435 /* Ugly hack to jump to our configuration chain */
436 p_vout->p->psz_filter_chain
437 = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
438 p_vout->p->psz_filter_chain
439 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
440 config_ChainDestroy( p_cfg );
443 /* Create a video filter2 var ... but don't inherit values */
444 var_Create( p_vout, "video-filter",
445 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
446 p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
449 p_vout->p->b_first_vout = false;
452 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
453 p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
454 false, video_filter_buffer_allocation_init, NULL, p_vout );
456 /* Choose the video output module */
457 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
463 psz_parser = strdup( p_vout->p->psz_filter_chain );
464 p_vout->p->b_title_show = false;
467 /* Create the vout thread */
468 char *psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
471 p_vout->p->p_cfg = p_cfg;
473 /* Create a few object variables for interface interaction */
474 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
475 text.psz_string = _("Filters");
476 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
477 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
480 DeinterlaceEnable( p_vout );
482 if( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain )
485 if( asprintf( &psz_tmp, "%s,none", psz_name ) < 0 )
486 psz_tmp = strdup( "" );
490 p_vout->p->psz_module_name = psz_name;
493 vlc_object_set_destructor( p_vout, vout_Destructor );
496 vlc_cond_init( &p_vout->p->change_wait );
497 if( vlc_clone( &p_vout->p->thread, RunThread, p_vout,
498 VLC_THREAD_PRIORITY_OUTPUT ) )
500 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
501 spu_Destroy( p_vout->p->p_spu );
502 p_vout->p->p_spu = NULL;
503 vlc_object_release( p_vout );
507 vlc_mutex_lock( &p_vout->change_lock );
508 while( !p_vout->p->b_ready )
509 { /* We are (ab)using the same condition in opposite directions for
510 * b_ready and b_done. This works because of the strict ordering. */
511 assert( !p_vout->p->b_done );
512 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
514 vlc_mutex_unlock( &p_vout->change_lock );
516 if( p_vout->p->b_error )
518 msg_Err( p_vout, "video output creation failed" );
519 vout_CloseAndRelease( p_vout );
526 /*****************************************************************************
527 * vout_Close: Close a vout created by vout_Create.
528 *****************************************************************************
529 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
530 * You should NEVER call it on vout not obtained through vout_Create
531 * (like with vout_Request or vlc_object_find.)
532 * You can use vout_CloseAndRelease() as a convenience method.
533 *****************************************************************************/
534 void vout_Close( vout_thread_t *p_vout )
538 vlc_mutex_lock( &p_vout->change_lock );
539 p_vout->p->b_done = true;
540 vlc_cond_signal( &p_vout->p->change_wait );
541 vlc_mutex_unlock( &p_vout->change_lock );
543 vout_snapshot_End( &p_vout->p->snapshot );
545 vlc_join( p_vout->p->thread, NULL );
549 static void vout_Destructor( vlc_object_t * p_this )
551 vout_thread_t *p_vout = (vout_thread_t *)p_this;
553 /* Make sure the vout was stopped first */
554 //assert( !p_vout->p_module );
556 free( p_vout->p->psz_module_name );
559 if( p_vout->p->p_spu )
560 spu_Destroy( p_vout->p->p_spu );
562 /* Destroy the locks */
563 vlc_cond_destroy( &p_vout->p->change_wait );
564 vlc_cond_destroy( &p_vout->p->picture_wait );
565 vlc_mutex_destroy( &p_vout->picture_lock );
566 vlc_mutex_destroy( &p_vout->change_lock );
567 vlc_mutex_destroy( &p_vout->p->vfilter_lock );
570 vout_statistic_Clean( &p_vout->p->statistic );
573 vout_snapshot_Clean( &p_vout->p->snapshot );
576 free( p_vout->p->psz_filter_chain );
577 free( p_vout->p->psz_title );
579 config_ChainDestroy( p_vout->p->p_cfg );
586 void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
588 vlc_mutex_lock( &p_vout->change_lock );
590 assert( !p_vout->p->b_paused || !b_paused );
592 vlc_mutex_lock( &p_vout->picture_lock );
594 p_vout->p->i_picture_displayed_date = 0;
596 if( p_vout->p->b_paused )
598 const mtime_t i_duration = i_date - p_vout->p->i_pause_date;
600 for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
602 picture_t *p_pic = PP_RENDERPICTURE[i_index];
604 if( p_pic->i_status == READY_PICTURE )
605 p_pic->date += i_duration;
607 vlc_cond_signal( &p_vout->p->picture_wait );
608 vlc_mutex_unlock( &p_vout->picture_lock );
610 spu_OffsetSubtitleDate( p_vout->p->p_spu, i_duration );
614 vlc_mutex_unlock( &p_vout->picture_lock );
616 p_vout->p->b_paused = b_paused;
617 p_vout->p->i_pause_date = i_date;
619 vlc_mutex_unlock( &p_vout->change_lock );
622 void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
624 vout_statistic_GetReset( &p_vout->p->statistic,
625 pi_displayed, pi_lost );
628 void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
630 vlc_mutex_lock( &p_vout->picture_lock );
631 p_vout->p->i_picture_displayed_date = 0;
632 for( int i = 0; i < p_vout->render.i_pictures; i++ )
634 picture_t *p_pic = p_vout->render.pp_picture[i];
636 if( p_pic->i_status == READY_PICTURE ||
637 p_pic->i_status == DISPLAYED_PICTURE )
639 /* We cannot change picture status if it is in READY_PICTURE state,
640 * Just make sure they won't be displayed */
641 if( p_pic->date > i_date )
642 p_pic->date = i_date;
645 vlc_cond_signal( &p_vout->p->picture_wait );
646 vlc_mutex_unlock( &p_vout->picture_lock );
649 void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
651 int i_pic, i_ready_pic;
653 vlc_mutex_lock( &p_vout->picture_lock );
655 for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->render.i_pictures && !b_forced; i_pic++ )
657 const picture_t *p_pic = p_vout->render.pp_picture[i_pic];
659 if( p_pic->i_status == READY_PICTURE )
662 /* If we have at least 2 ready pictures, wait for the vout thread to
664 if( i_ready_pic >= 2 )
670 if( p_pic->i_status == DISPLAYED_PICTURE )
672 /* If at least one displayed picture is not referenced
673 * let vout free it */
674 if( p_pic->i_refcount == 0 )
678 if( i_pic < p_vout->render.i_pictures && !b_forced )
680 vlc_mutex_unlock( &p_vout->picture_lock );
684 /* Too many pictures are still referenced, there is probably a bug
685 * with the decoder */
687 msg_Err( p_vout, "pictures leaked, resetting the heap" );
689 /* Just free all the pictures */
690 for( i_pic = 0; i_pic < p_vout->render.i_pictures; i_pic++ )
692 picture_t *p_pic = p_vout->render.pp_picture[i_pic];
694 msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
695 p_pic->i_refcount = 0;
697 switch( p_pic->i_status )
700 case DISPLAYED_PICTURE:
701 case RESERVED_PICTURE:
702 if( p_pic != p_vout->p->p_picture_displayed )
703 vout_UsePictureLocked( p_vout, p_pic );
707 vlc_cond_signal( &p_vout->p->picture_wait );
708 vlc_mutex_unlock( &p_vout->picture_lock );
710 void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
712 vlc_mutex_lock( &p_vout->picture_lock );
714 const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;
716 p_vout->p->b_picture_displayed = false;
717 p_vout->p->b_picture_empty = false;
718 if( p_vout->p->p_picture_displayed )
720 p_vout->p->p_picture_displayed->date = 1;
721 vlc_cond_signal( &p_vout->p->picture_wait );
724 while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
725 vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->picture_lock );
727 *pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );
729 /* TODO advance subpicture by the duration ... */
731 vlc_mutex_unlock( &p_vout->picture_lock );
734 void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
738 if( !var_InheritBool( p_vout, "osd" ) )
741 vlc_mutex_lock( &p_vout->change_lock );
742 free( p_vout->p->psz_title );
743 p_vout->p->psz_title = strdup( psz_title );
744 vlc_mutex_unlock( &p_vout->change_lock );
747 spu_t *vout_GetSpu( vout_thread_t *p_vout )
749 return p_vout->p->p_spu;
752 /*****************************************************************************
753 * InitThread: initialize video output thread
754 *****************************************************************************
755 * This function is called from RunThread and performs the second step of the
756 * initialization. It returns 0 on success. Note that the thread's flag are not
757 * modified inside this function.
758 * XXX You have to enter it with change_lock taken.
759 *****************************************************************************/
760 static int InitThread( vout_thread_t *p_vout )
764 /* Initialize output method, it allocates direct buffers for us */
765 if( vout_InitWrapper( p_vout ) )
768 p_vout->p->p_picture_displayed = NULL;
770 if( !I_OUTPUTPICTURES )
772 msg_Err( p_vout, "plugin was unable to allocate at least "
773 "one direct buffer" );
774 vout_EndWrapper( p_vout );
778 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
780 msg_Err( p_vout, "plugin allocated too many direct buffers, "
781 "our internal buffers must have overflown." );
782 vout_EndWrapper( p_vout );
786 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
788 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
790 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
791 p_vout->output.i_width;
792 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
793 p_vout->output.i_height;
794 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
796 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
798 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
800 p_vout->fmt_out.i_sar_num = p_vout->output.i_aspect *
801 p_vout->fmt_out.i_height;
802 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
803 p_vout->fmt_out.i_width;
806 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
807 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
809 /* FIXME removed the need of both fmt_* and heap infos */
810 /* Calculate shifts from system-updated masks */
811 PictureHeapFixRgb( &p_vout->render );
812 VideoFormatImportRgb( &p_vout->fmt_render, &p_vout->render );
814 PictureHeapFixRgb( &p_vout->output );
815 VideoFormatImportRgb( &p_vout->fmt_out, &p_vout->output );
817 /* print some usefull debug info about different vout formats
819 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",
820 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
821 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
822 p_vout->fmt_render.i_visible_width,
823 p_vout->fmt_render.i_visible_height,
824 (char*)&p_vout->fmt_render.i_chroma,
825 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den,
826 p_vout->fmt_render.i_rmask, p_vout->fmt_render.i_gmask, p_vout->fmt_render.i_bmask );
828 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",
829 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
830 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
831 p_vout->fmt_in.i_visible_width,
832 p_vout->fmt_in.i_visible_height,
833 (char*)&p_vout->fmt_in.i_chroma,
834 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den,
835 p_vout->fmt_in.i_rmask, p_vout->fmt_in.i_gmask, p_vout->fmt_in.i_bmask );
837 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",
838 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
839 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
840 p_vout->fmt_out.i_visible_width,
841 p_vout->fmt_out.i_visible_height,
842 (char*)&p_vout->fmt_out.i_chroma,
843 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den,
844 p_vout->fmt_out.i_rmask, p_vout->fmt_out.i_gmask, p_vout->fmt_out.i_bmask );
846 assert( p_vout->output.i_width == p_vout->render.i_width &&
847 p_vout->output.i_height == p_vout->render.i_height &&
848 p_vout->output.i_chroma == p_vout->render.i_chroma );
849 /* Check whether we managed to create direct buffers similar to
850 * the render buffers, ie same size and chroma */
852 /* Cool ! We have direct buffers, we can ask the decoder to
853 * directly decode into them ! Map the first render buffers to
854 * the first direct buffers, but keep the first direct buffer
855 * for memcpy operations */
856 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
858 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
859 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
860 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
862 /* We have enough direct buffers so there's no need to
863 * try to use system memory buffers. */
866 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
870 msg_Dbg( p_vout, "direct render, mapping "
871 "render pictures 0-%i to system pictures 1-%i",
872 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
877 /*****************************************************************************
878 * RunThread: video output thread
879 *****************************************************************************
880 * Video output thread. This function does only returns when the thread is
881 * terminated. It handles the pictures arriving in the video heap and the
882 * display device events.
883 *****************************************************************************/
884 static void* RunThread( void *p_this )
886 vout_thread_t *p_vout = p_this;
888 int i_idle_loops = 0; /* loops without displaying a picture */
889 int i_picture_qtype_last = QTYPE_NONE;
890 bool b_picture_interlaced_last = false;
891 mtime_t i_picture_interlaced_last_date;
896 b_has_wrapper = !vout_OpenWrapper( p_vout, p_vout->p->psz_module_name );
898 vlc_mutex_lock( &p_vout->change_lock );
901 p_vout->p->b_error = InitThread( p_vout );
903 p_vout->p->b_error = true;
905 /* signal the creation of the vout */
906 p_vout->p->b_ready = true;
907 vlc_cond_signal( &p_vout->p->change_wait );
909 if( p_vout->p->b_error )
913 const bool b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
914 i_picture_interlaced_last_date = mdate();
917 * Main loop - it is not executed if an error occurred during
920 while( !p_vout->p->b_done && !p_vout->p->b_error )
922 /* Initialize loop variables */
923 const mtime_t current_date = mdate();
924 picture_t *p_picture;
925 picture_t *p_filtered_picture;
926 mtime_t display_date;
927 picture_t *p_directbuffer;
930 if( p_vout->p->b_title_show && p_vout->p->psz_title )
931 DisplayTitleOnOSD( p_vout );
933 vlc_mutex_lock( &p_vout->picture_lock );
935 /* Look for the earliest picture but after the last displayed one */
936 picture_t *p_last = p_vout->p->p_picture_displayed;;
939 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
941 picture_t *p_pic = PP_RENDERPICTURE[i_index];
943 if( p_pic->i_status != READY_PICTURE )
946 if( p_vout->p->b_paused && p_last && p_last->date > 1 )
949 if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
951 /* Drop old picture */
952 vout_UsePictureLocked( p_vout, p_pic );
954 else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
955 p_pic->date < current_date + p_vout->p->render_time &&
958 /* Picture is late: it will be destroyed and the thread
959 * will directly choose the next picture */
960 vout_UsePictureLocked( p_vout, p_pic );
961 vout_statistic_Update( &p_vout->p->statistic, 0, 1 );
963 msg_Warn( p_vout, "late picture skipped (%"PRId64" > %d)",
964 current_date - p_pic->date, - p_vout->p->render_time );
966 else if( ( !p_last || p_last->date < p_pic->date ) &&
967 ( p_picture == NULL || p_pic->date < p_picture->date ) )
976 if( !p_vout->p->b_picture_empty )
978 p_vout->p->b_picture_empty = true;
979 vlc_cond_signal( &p_vout->p->picture_wait );
986 display_date = p_picture->date;
988 /* If we found better than the last picture, destroy it */
989 if( p_last && p_picture != p_last )
991 vout_UsePictureLocked( p_vout, p_last );
992 p_vout->p->p_picture_displayed = p_last = NULL;
995 /* Compute FPS rate */
996 p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
998 if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1000 /* A picture is ready to be rendered, but its rendering date
1001 * is far from the current one so the thread will perform an
1002 * empty loop as if no picture were found. The picture state
1007 else if( p_picture == p_last )
1009 /* We are asked to repeat the previous picture, but we first
1010 * wait for a couple of idle loops */
1011 if( i_idle_loops < 4 )
1018 /* We set the display date to something high, otherwise
1019 * we'll have lots of problems with late pictures */
1020 display_date = current_date + p_vout->p->render_time;
1023 else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1025 display_date = current_date + VOUT_DISPLAY_DELAY;
1030 if( p_picture->date > 1 )
1032 p_vout->p->i_picture_displayed_date = p_picture->date;
1033 if( p_picture != p_last && !p_vout->p->b_picture_displayed )
1035 p_vout->p->b_picture_displayed = true;
1036 vlc_cond_signal( &p_vout->p->picture_wait );
1039 p_vout->p->p_picture_displayed = p_picture;
1044 const int i_postproc_type = p_vout->p->i_picture_qtype;
1045 const int i_postproc_state = (p_vout->p->i_picture_qtype != QTYPE_NONE) - (i_picture_qtype_last != QTYPE_NONE);
1047 const bool b_picture_interlaced = p_vout->p->b_picture_interlaced;
1048 const int i_picture_interlaced_state = (!!p_vout->p->b_picture_interlaced) - (!!b_picture_interlaced_last);
1050 vlc_mutex_unlock( &p_vout->picture_lock );
1052 if( p_picture == NULL )
1055 p_filtered_picture = NULL;
1058 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1059 p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
1061 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1064 const bool b_snapshot = vout_snapshot_IsRequested( &p_vout->p->snapshot );
1067 * Check for subpictures to display
1069 mtime_t spu_render_time;
1070 if( p_vout->p->b_paused )
1071 spu_render_time = p_vout->p->i_pause_date;
1072 else if( p_picture )
1073 spu_render_time = p_picture->date > 1 ? p_picture->date : mdate();
1075 spu_render_time = 0;
1077 subpicture_t *p_subpic = spu_SortSubpictures( p_vout->p->p_spu,
1083 vout_statistic_Update( &p_vout->p->statistic, 1, 0 );
1084 p_directbuffer = vout_RenderPicture( p_vout,
1085 p_filtered_picture, p_subpic,
1089 * Take a snapshot if requested
1091 if( p_directbuffer && b_snapshot )
1092 vout_snapshot_Set( &p_vout->p->snapshot,
1093 &p_vout->fmt_out, p_directbuffer );
1096 * Call the plugin-specific rendering method if there is one
1098 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1100 /* Render the direct buffer returned by vout_RenderPicture */
1101 vout_RenderWrapper( p_vout, p_directbuffer );
1107 if( display_date != 0 && p_directbuffer != NULL )
1109 mtime_t current_render_time = mdate() - current_date;
1110 /* if render time is very large we don't include it in the mean */
1111 if( current_render_time < p_vout->p->render_time +
1112 VOUT_DISPLAY_DELAY )
1114 /* Store render time using a sliding mean weighting to
1115 * current value in a 3 to 1 ratio*/
1116 p_vout->p->render_time *= 3;
1117 p_vout->p->render_time += current_render_time;
1118 p_vout->p->render_time >>= 2;
1121 msg_Dbg( p_vout, "skipped big render time %d > %d", (int) current_render_time,
1122 (int) (p_vout->p->render_time +VOUT_DISPLAY_DELAY ) ) ;
1125 /* Give back change lock */
1126 vlc_mutex_unlock( &p_vout->change_lock );
1128 /* Sleep a while or until a given date */
1129 if( display_date != 0 )
1131 /* If there are *vout* filters in the chain, better give them the picture
1133 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
1135 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1140 /* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
1141 vlc_mutex_lock( &p_vout->picture_lock );
1142 vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->picture_lock, current_date + VOUT_IDLE_SLEEP );
1143 vlc_mutex_unlock( &p_vout->picture_lock );
1146 /* On awakening, take back lock and send immediately picture
1148 /* Note: p_vout->p->b_done could be true here and now */
1149 vlc_mutex_lock( &p_vout->change_lock );
1152 * Display the previously rendered picture
1154 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1156 /* Display the direct buffer returned by vout_RenderPicture */
1157 vout_DisplayWrapper( p_vout, p_directbuffer );
1159 /* Tell the vout this was the last picture and that it does not
1160 * need to be forced anymore. */
1161 p_picture->b_force = false;
1164 /* Drop the filtered picture if created by video filters */
1165 if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1167 vlc_mutex_lock( &p_vout->picture_lock );
1168 vout_UsePictureLocked( p_vout, p_filtered_picture );
1169 vlc_mutex_unlock( &p_vout->picture_lock );
1172 if( p_picture != NULL )
1174 /* Reinitialize idle loop count */
1179 * Check events and manage thread
1181 if( vout_ManageWrapper( p_vout ) )
1183 /* A fatal error occurred, and the thread must terminate
1184 * immediately, without displaying anything - setting b_error to 1
1185 * causes the immediate end of the main while() loop. */
1187 p_vout->p->b_error = 1;
1191 if( p_vout->i_changes & VOUT_ON_TOP_CHANGE )
1192 p_vout->i_changes &= ~VOUT_ON_TOP_CHANGE;
1194 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1196 /* This happens when the picture buffers need to be recreated.
1197 * This is useful on multimonitor displays for instance.
1199 * Warning: This only works when the vout creates only 1 picture
1201 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1203 vlc_mutex_lock( &p_vout->picture_lock );
1205 vout_EndWrapper( p_vout );
1207 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1209 p_vout->p->b_error = InitThread( p_vout );
1210 if( p_vout->p->b_error )
1211 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed" );
1213 vlc_cond_signal( &p_vout->p->picture_wait );
1214 vlc_mutex_unlock( &p_vout->picture_lock );
1216 if( p_vout->p->b_error )
1220 /* Post processing */
1221 if( i_postproc_state == 1 )
1222 PostProcessEnable( p_vout );
1223 else if( i_postproc_state == -1 )
1224 PostProcessDisable( p_vout );
1225 if( i_postproc_state != 0 )
1226 i_picture_qtype_last = i_postproc_type;
1229 * Wait 30s before quiting interlacing mode */
1230 if( ( i_picture_interlaced_state == 1 ) ||
1231 ( i_picture_interlaced_state == -1 && i_picture_interlaced_last_date + 30000000 < current_date ) )
1233 DeinterlaceNeeded( p_vout, b_picture_interlaced );
1234 b_picture_interlaced_last = b_picture_interlaced;
1236 if( b_picture_interlaced )
1237 i_picture_interlaced_last_date = current_date;
1240 /* Check for "video filter2" changes */
1241 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1242 if( p_vout->p->psz_vf2 )
1246 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1247 fmt.video = p_vout->fmt_render;
1248 filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
1250 if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
1251 p_vout->p->psz_vf2 ) < 0 )
1252 msg_Err( p_vout, "Video filter chain creation failed" );
1254 free( p_vout->p->psz_vf2 );
1255 p_vout->p->psz_vf2 = NULL;
1257 if( i_picture_qtype_last != QTYPE_NONE )
1258 PostProcessSetFilterQuality( p_vout );
1260 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1264 * Error loop - wait until the thread destruction is requested
1266 if( p_vout->p->b_error )
1267 ErrorThread( p_vout );
1270 CleanThread( p_vout );
1274 EndThread( p_vout );
1275 vlc_mutex_unlock( &p_vout->change_lock );
1278 vout_CloseWrapper( p_vout );
1283 /*****************************************************************************
1284 * ErrorThread: RunThread() error loop
1285 *****************************************************************************
1286 * This function is called when an error occurred during thread main's loop.
1287 * The thread can still receive feed, but must be ready to terminate as soon
1289 *****************************************************************************/
1290 static void ErrorThread( vout_thread_t *p_vout )
1292 /* Wait until a `close' order */
1293 while( !p_vout->p->b_done )
1294 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
1297 /*****************************************************************************
1298 * CleanThread: clean up after InitThread
1299 *****************************************************************************
1300 * This function is called after a sucessful
1301 * initialization. It frees all resources allocated by InitThread.
1302 * XXX You have to enter it with change_lock taken.
1303 *****************************************************************************/
1304 static void CleanThread( vout_thread_t *p_vout )
1306 int i_index; /* index in heap */
1308 /* Destroy all remaining pictures */
1309 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1311 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1313 free( p_vout->p_picture[i_index].p_data_orig );
1317 /* Destroy translation tables */
1318 if( !p_vout->p->b_error )
1319 vout_EndWrapper( p_vout );
1322 /*****************************************************************************
1323 * EndThread: thread destruction
1324 *****************************************************************************
1325 * This function is called when the thread ends.
1326 * It frees all resources not allocated by InitThread.
1327 * XXX You have to enter it with change_lock taken.
1328 *****************************************************************************/
1329 static void EndThread( vout_thread_t *p_vout )
1331 /* FIXME does that function *really* need to be called inside the thread ? */
1333 /* Detach subpicture unit from both input and vout */
1334 spu_Attach( p_vout->p->p_spu, VLC_OBJECT(p_vout), false );
1335 vlc_object_detach( p_vout->p->p_spu );
1337 /* Destroy the video filters2 */
1338 filter_chain_Delete( p_vout->p->p_vf2_chain );
1341 /* following functions are local */
1344 * This function copies all RGB informations from a picture_heap_t into
1347 static void VideoFormatImportRgb( video_format_t *p_fmt, const picture_heap_t *p_heap )
1349 p_fmt->i_rmask = p_heap->i_rmask;
1350 p_fmt->i_gmask = p_heap->i_gmask;
1351 p_fmt->i_bmask = p_heap->i_bmask;
1352 p_fmt->i_rrshift = p_heap->i_rrshift;
1353 p_fmt->i_lrshift = p_heap->i_lrshift;
1354 p_fmt->i_rgshift = p_heap->i_rgshift;
1355 p_fmt->i_lgshift = p_heap->i_lgshift;
1356 p_fmt->i_rbshift = p_heap->i_rbshift;
1357 p_fmt->i_lbshift = p_heap->i_lbshift;
1361 * This funtion copes all RGB informations from a video_format_t into
1364 static void VideoFormatExportRgb( const video_format_t *p_fmt, picture_heap_t *p_heap )
1366 p_heap->i_rmask = p_fmt->i_rmask;
1367 p_heap->i_gmask = p_fmt->i_gmask;
1368 p_heap->i_bmask = p_fmt->i_bmask;
1369 p_heap->i_rrshift = p_fmt->i_rrshift;
1370 p_heap->i_lrshift = p_fmt->i_lrshift;
1371 p_heap->i_rgshift = p_fmt->i_rgshift;
1372 p_heap->i_lgshift = p_fmt->i_lgshift;
1373 p_heap->i_rbshift = p_fmt->i_rbshift;
1374 p_heap->i_lbshift = p_fmt->i_lbshift;
1378 * This function computes rgb shifts from masks
1380 static void PictureHeapFixRgb( picture_heap_t *p_heap )
1385 fmt.i_chroma = p_heap->i_chroma;
1386 VideoFormatImportRgb( &fmt, p_heap );
1389 video_format_FixRgb( &fmt );
1391 VideoFormatExportRgb( &fmt, p_heap );
1394 /*****************************************************************************
1395 * object variables callbacks: a bunch of object variables are used by the
1396 * interfaces to interact with the vout.
1397 *****************************************************************************/
1398 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1399 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1401 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1402 input_thread_t *p_input;
1403 (void)psz_cmd; (void)oldval; (void)p_data;
1405 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1409 msg_Err( p_vout, "Input not found" );
1410 return VLC_EGENERIC;
1413 var_SetBool( p_vout, "intf-change", true );
1415 /* Modify input as well because the vout might have to be restarted */
1416 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1417 var_SetString( p_input, "vout-filter", newval.psz_string );
1419 /* Now restart current video stream */
1420 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1421 vlc_object_release( p_input );
1426 /*****************************************************************************
1427 * Video Filter2 stuff
1428 *****************************************************************************/
1429 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1430 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1432 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1433 (void)psz_cmd; (void)oldval; (void)p_data;
1435 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1436 p_vout->p->psz_vf2 = strdup( newval.psz_string );
1437 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1442 /*****************************************************************************
1444 *****************************************************************************/
1445 static bool PostProcessIsPresent( const char *psz_filter )
1447 const char *psz_pp = "postproc";
1448 const size_t i_pp = strlen(psz_pp);
1449 return psz_filter &&
1450 !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) &&
1451 ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' );
1454 static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd,
1455 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1457 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1458 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1460 static const char *psz_pp = "postproc";
1462 char *psz_vf2 = var_GetString( p_vout, "video-filter" );
1464 if( newval.i_int <= 0 )
1466 if( PostProcessIsPresent( psz_vf2 ) )
1468 strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] );
1469 if( *psz_vf2 == ':' )
1470 strcpy( psz_vf2, &psz_vf2[1] );
1475 if( !PostProcessIsPresent( psz_vf2 ) )
1479 char *psz_tmp = psz_vf2;
1480 if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 )
1487 psz_vf2 = strdup( psz_pp );
1493 var_SetString( p_vout, "video-filter", psz_vf2 );
1499 static void PostProcessEnable( vout_thread_t *p_vout )
1502 msg_Dbg( p_vout, "Post-processing available" );
1503 var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
1504 text.psz_string = _("Post processing");
1505 var_Change( p_vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL );
1507 for( int i = 0; i <= 6; i++ )
1514 snprintf( psz_text, sizeof(psz_text), "%d", i );
1516 text.psz_string = _("Disable");
1518 text.psz_string = psz_text;
1519 var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text );
1521 var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL );
1524 char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" );
1525 int i_postproc_q = 0;
1526 if( PostProcessIsPresent( psz_filter ) )
1527 i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" );
1529 var_SetInteger( p_vout, "postprocess", i_postproc_q );
1533 static void PostProcessDisable( vout_thread_t *p_vout )
1535 msg_Dbg( p_vout, "Post-processing no more available" );
1536 var_Destroy( p_vout, "postprocess" );
1538 static void PostProcessSetFilterQuality( vout_thread_t *p_vout )
1540 vlc_object_t *p_pp = vlc_object_find_name( p_vout, "postproc", FIND_CHILD );
1544 var_SetInteger( p_pp, "postproc-q", var_GetInteger( p_vout, "postprocess" ) );
1545 vlc_object_release( p_pp );
1549 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1551 const mtime_t i_start = mdate();
1552 const mtime_t i_stop = i_start + INT64_C(1000) * p_vout->p->i_title_timeout;
1554 if( i_stop <= i_start )
1557 vlc_assert_locked( &p_vout->change_lock );
1559 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1560 p_vout->p->psz_title, NULL,
1561 p_vout->p->i_title_position,
1562 30 + p_vout->fmt_in.i_width
1563 - p_vout->fmt_in.i_visible_width
1564 - p_vout->fmt_in.i_x_offset,
1565 20 + p_vout->fmt_in.i_y_offset,
1568 free( p_vout->p->psz_title );
1570 p_vout->p->psz_title = NULL;
1573 /*****************************************************************************
1575 *****************************************************************************/
1578 const char *psz_mode;
1580 } deinterlace_mode_t;
1583 * You can use the non vout filter if and only if the video properties stay the
1584 * same (width/height/chroma/fps), at least for now.
1586 static const deinterlace_mode_t p_deinterlace_mode[] = {
1588 //{ "discard", true },
1592 //{ "linear", true },
1594 //{ "yadif", true },
1595 //{ "yadif2x", true },
1598 static const deinterlace_mode_t *DeinterlaceGetMode( const char *psz_mode )
1600 for( const deinterlace_mode_t *p_mode = &p_deinterlace_mode[0]; p_mode->psz_mode; p_mode++ )
1602 if( !strcmp( p_mode->psz_mode, psz_mode ) )
1608 static char *FilterFind( char *psz_filter_base, const char *psz_module )
1610 const size_t i_module = strlen( psz_module );
1611 const char *psz_filter = psz_filter_base;
1613 if( !psz_filter || i_module <= 0 )
1618 char *psz_find = strstr( psz_filter, psz_module );
1621 if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' )
1623 psz_filter = &psz_find[i_module];
1627 static bool DeinterlaceIsPresent( vout_thread_t *p_vout, bool b_vout_filter )
1629 char *psz_filter = var_GetNonEmptyString( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1631 bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL;
1638 static void DeinterlaceRemove( vout_thread_t *p_vout, bool b_vout_filter )
1640 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1641 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1643 char *psz = FilterFind( psz_filter, "deinterlace" );
1651 strcpy( &psz[0], &psz[strlen("deinterlace")] );
1653 strcpy( &psz[0], &psz[1] );
1655 var_SetString( p_vout, psz_variable, psz_filter );
1658 static void DeinterlaceAdd( vout_thread_t *p_vout, bool b_vout_filter )
1660 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1662 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1664 if( FilterFind( psz_filter, "deinterlace" ) )
1673 char *psz_tmp = psz_filter;
1674 if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 )
1675 psz_filter = psz_tmp;
1681 psz_filter = strdup( "deinterlace" );
1686 var_SetString( p_vout, psz_variable, psz_filter );
1691 static void DeinterlaceSave( vout_thread_t *p_vout, int i_deinterlace, const char *psz_mode, bool is_needed )
1693 /* We have to set input variable to ensure restart support
1694 * XXX it is only needed because of vout-filter but must be done
1695 * for non video filter anyway */
1696 vlc_object_t *p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
1700 /* Another hack for "vout filter" mode */
1701 if( i_deinterlace < 0 )
1702 i_deinterlace = is_needed ? -2 : -3;
1704 var_Create( p_input, "deinterlace", VLC_VAR_INTEGER );
1705 var_SetInteger( p_input, "deinterlace", i_deinterlace );
1707 static const char * const ppsz_variable[] = {
1709 "filter-deinterlace-mode",
1710 "sout-deinterlace-mode",
1713 for( int i = 0; ppsz_variable[i]; i++ )
1715 var_Create( p_input, ppsz_variable[i], VLC_VAR_STRING );
1716 var_SetString( p_input, ppsz_variable[i], psz_mode );
1719 vlc_object_release( p_input );
1721 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1722 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1724 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(p_data);
1725 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1728 const int i_deinterlace = var_GetInteger( p_this, "deinterlace" );
1729 char *psz_mode = var_GetString( p_this, "deinterlace-mode" );
1730 const bool is_needed = var_GetBool( p_this, "deinterlace-needed" );
1732 return VLC_EGENERIC;
1734 DeinterlaceSave( p_vout, i_deinterlace, psz_mode, is_needed );
1737 bool b_vout_filter = false;
1738 const deinterlace_mode_t *p_mode = DeinterlaceGetMode( psz_mode );
1740 b_vout_filter = p_mode->b_vout_filter;
1746 psz_old = var_CreateGetString( p_vout, "filter-deinterlace-mode" );
1750 psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" );
1751 var_SetString( p_vout, "sout-deinterlace-mode", psz_mode );
1754 msg_Dbg( p_vout, "deinterlace %d, mode %s, is_needed %d", i_deinterlace, psz_mode, is_needed );
1755 if( i_deinterlace == 0 || ( i_deinterlace == -1 && !is_needed ) )
1757 DeinterlaceRemove( p_vout, false );
1758 DeinterlaceRemove( p_vout, true );
1762 if( !DeinterlaceIsPresent( p_vout, b_vout_filter ) )
1764 DeinterlaceRemove( p_vout, !b_vout_filter );
1765 DeinterlaceAdd( p_vout, b_vout_filter );
1769 /* The deinterlace filter was already inserted but we have changed the mode */
1770 DeinterlaceRemove( p_vout, !b_vout_filter );
1771 if( psz_old && strcmp( psz_old, psz_mode ) )
1772 var_TriggerCallback( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1782 static void DeinterlaceEnable( vout_thread_t *p_vout )
1784 vlc_value_t val, text;
1786 if( !p_vout->p->b_first_vout )
1789 msg_Dbg( p_vout, "Deinterlacing available" );
1791 /* Create the configuration variables */
1793 var_Create( p_vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1794 int i_deinterlace = var_GetInteger( p_vout, "deinterlace" );
1796 text.psz_string = _("Deinterlace");
1797 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
1799 const module_config_t *p_optd = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace" );
1800 var_Change( p_vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL );
1801 for( int i = 0; p_optd && i < p_optd->i_list; i++ )
1803 val.i_int = p_optd->pi_list[i];
1804 text.psz_string = (char*)vlc_gettext(p_optd->ppsz_list_text[i]);
1805 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
1807 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
1809 var_Create( p_vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1810 char *psz_deinterlace = var_GetNonEmptyString( p_vout, "deinterlace-mode" );
1812 text.psz_string = _("Deinterlace mode");
1813 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL );
1815 const module_config_t *p_optm = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace-mode" );
1816 var_Change( p_vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL );
1817 for( int i = 0; p_optm && i < p_optm->i_list; i++ )
1819 if( !DeinterlaceGetMode( p_optm->ppsz_list[i] ) )
1822 val.psz_string = p_optm->ppsz_list[i];
1823 text.psz_string = (char*)vlc_gettext(p_optm->ppsz_list_text[i]);
1824 var_Change( p_vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text );
1826 var_AddCallback( p_vout, "deinterlace-mode", DeinterlaceCallback, NULL );
1828 var_Create( p_vout, "deinterlace-needed", VLC_VAR_BOOL );
1829 var_AddCallback( p_vout, "deinterlace-needed", DeinterlaceCallback, NULL );
1831 /* Override the initial value from filters if present */
1832 char *psz_filter_mode = NULL;
1833 if( DeinterlaceIsPresent( p_vout, true ) )
1834 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "filter-deinterlace-mode" );
1835 else if( DeinterlaceIsPresent( p_vout, false ) )
1836 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" );
1837 if( psz_filter_mode )
1839 free( psz_deinterlace );
1840 if( i_deinterlace >= -1 )
1842 psz_deinterlace = psz_filter_mode;
1846 if( i_deinterlace == -2 )
1847 p_vout->p->b_picture_interlaced = true;
1848 else if( i_deinterlace == -3 )
1849 p_vout->p->b_picture_interlaced = false;
1850 if( i_deinterlace < 0 )
1854 val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz;
1855 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL );
1856 val.b_bool = p_vout->p->b_picture_interlaced;
1857 var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL );
1859 var_SetInteger( p_vout, "deinterlace", i_deinterlace );
1860 free( psz_deinterlace );
1863 static void DeinterlaceNeeded( vout_thread_t *p_vout, bool is_interlaced )
1865 msg_Dbg( p_vout, "Detected %s video",
1866 is_interlaced ? "interlaced" : "progressive" );
1867 var_SetBool( p_vout, "deinterlace-needed", is_interlaced );