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() */
42 #ifdef HAVE_SYS_TIMES_H
43 # include <sys/times.h>
48 #include <vlc_filter.h>
52 #if defined( __APPLE__ )
53 /* Include darwin_specific.h here if needed */
56 /** FIXME This is quite ugly but needed while we don't have counters
58 //#include "input/input_internal.h"
61 #include <vlc_input.h>
62 #include "vout_pictures.h"
63 #include "vout_internal.h"
65 /*****************************************************************************
67 *****************************************************************************/
68 static int InitThread ( vout_thread_t * );
69 static void* RunThread ( void * );
70 static void ErrorThread ( vout_thread_t * );
71 static void CleanThread ( vout_thread_t * );
72 static void EndThread ( vout_thread_t * );
74 static void AspectRatio ( int, int *, int * );
76 static void VideoFormatImportRgb( video_format_t *, const picture_heap_t * );
77 static void PictureHeapFixRgb( picture_heap_t * );
79 static void vout_Destructor ( vlc_object_t * p_this );
81 /* Object variables callbacks */
82 static int FilterCallback( vlc_object_t *, char const *,
83 vlc_value_t, vlc_value_t, void * );
84 static int VideoFilter2Callback( vlc_object_t *, char const *,
85 vlc_value_t, vlc_value_t, void * );
88 static void PostProcessEnable( vout_thread_t * );
89 static void PostProcessDisable( vout_thread_t * );
90 static void PostProcessSetFilterQuality( vout_thread_t *p_vout );
91 static int PostProcessCallback( vlc_object_t *, char const *,
92 vlc_value_t, vlc_value_t, void * );
94 static void DeinterlaceEnable( vout_thread_t * );
95 static void DeinterlaceNeeded( vout_thread_t *, bool );
97 /* From vout_intf.c */
98 int vout_Snapshot( vout_thread_t *, picture_t * );
100 /* Display media title in OSD */
101 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
103 /* Time during which the thread will sleep if it has nothing to
104 * display (in micro-seconds) */
105 #define VOUT_IDLE_SLEEP ((int)(0.020*CLOCK_FREQ))
107 /* Maximum lap of time allowed between the beginning of rendering and
108 * display. If, compared to the current date, the next image is too
109 * late, the thread will perform an idle loop. This time should be
110 * at least VOUT_IDLE_SLEEP plus the time required to render a few
111 * images, to avoid trashing of decoded images */
112 #define VOUT_DISPLAY_DELAY ((int)(0.200*CLOCK_FREQ))
114 /* Better be in advance when awakening than late... */
115 #define VOUT_MWAIT_TOLERANCE ((mtime_t)(0.020*CLOCK_FREQ))
117 /* Minimum number of direct pictures the video output will accept without
118 * creating additional pictures in system memory */
119 #ifdef OPTIMIZE_MEMORY
120 # define VOUT_MIN_DIRECT_PICTURES (VOUT_MAX_PICTURES/2)
122 # define VOUT_MIN_DIRECT_PICTURES (3*VOUT_MAX_PICTURES/4)
125 /*****************************************************************************
126 * Video Filter2 functions
127 *****************************************************************************/
128 static picture_t *video_new_buffer_filter( filter_t *p_filter )
130 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
131 picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
133 p_picture->i_status = READY_PICTURE;
138 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
140 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
142 vlc_mutex_lock( &p_vout->picture_lock );
143 vout_UsePictureLocked( p_vout, p_pic );
144 vlc_mutex_unlock( &p_vout->picture_lock );
147 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
149 p_filter->pf_vout_buffer_new = video_new_buffer_filter;
150 p_filter->pf_vout_buffer_del = video_del_buffer_filter;
151 p_filter->p_owner = p_data; /* p_vout */
155 /*****************************************************************************
156 * vout_Request: find a video output thread, create one, or destroy one.
157 *****************************************************************************
158 * This function looks for a video output thread matching the current
159 * properties. If not found, it spawns a new one.
160 *****************************************************************************/
161 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
162 video_format_t *p_fmt )
166 /* Video output is no longer used.
167 * TODO: support for reusing video outputs with proper _thread-safe_
168 * reference handling. */
170 vout_CloseAndRelease( p_vout );
174 /* If a video output was provided, lock it, otherwise look for one. */
177 vlc_object_hold( p_vout );
180 /* TODO: find a suitable unused video output */
182 /* If we now have a video output, check it has the right properties */
185 vlc_mutex_lock( &p_vout->change_lock );
187 /* We don't directly check for the "vout-filter" variable for obvious
188 * performance reasons. */
189 if( p_vout->p->b_filter_change )
191 char *psz_filter_chain = var_GetString( p_vout, "vout-filter" );
193 if( psz_filter_chain && !*psz_filter_chain )
195 free( psz_filter_chain );
196 psz_filter_chain = NULL;
198 if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
200 free( p_vout->p->psz_filter_chain );
201 p_vout->p->psz_filter_chain = NULL;
204 if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
206 p_vout->p->b_filter_change = false;
209 free( psz_filter_chain );
212 if( p_vout->fmt_render.i_chroma != vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma ) ||
213 p_vout->fmt_render.i_width != p_fmt->i_width ||
214 p_vout->fmt_render.i_height != p_fmt->i_height ||
215 p_vout->p->b_filter_change )
217 vlc_mutex_unlock( &p_vout->change_lock );
219 /* We are not interested in this format, close this vout */
220 vout_CloseAndRelease( p_vout );
221 vlc_object_release( p_vout );
226 /* This video output is cool! Hijack it. */
227 if( p_vout->fmt_render.i_aspect != p_fmt->i_aspect )
229 /* Correct aspect ratio on change
230 * FIXME factorize this code with other aspect ration related code */
231 unsigned int i_sar_num;
232 unsigned int i_sar_den;
233 unsigned int i_aspect;
235 i_aspect = p_fmt->i_aspect;
236 vlc_ureduce( &i_sar_num, &i_sar_den,
237 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
239 /* What's that, it does not seems to be used correcly everywhere
240 * beside the previous p_vout->fmt_render.i_aspect != p_fmt->i_aspect
241 * should be fixed to use it too then */
242 if( p_vout->i_par_num > 0 && p_vout->i_par_den > 0 )
244 i_sar_num *= p_vout->i_par_den;
245 i_sar_den *= p_vout->i_par_num;
246 i_aspect = i_aspect * p_vout->i_par_den / p_vout->i_par_num;
250 if( i_sar_num > 0 && i_sar_den > 0 && i_aspect > 0 )
252 p_vout->fmt_in.i_sar_num = i_sar_num;
253 p_vout->fmt_in.i_sar_den = i_sar_den;
254 p_vout->fmt_in.i_aspect = i_aspect;
256 p_vout->fmt_render.i_sar_num = i_sar_num;
257 p_vout->fmt_render.i_sar_den = i_sar_den;
258 p_vout->fmt_render.i_aspect = i_aspect;
260 p_vout->render.i_aspect = i_aspect;
262 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
266 vlc_mutex_unlock( &p_vout->change_lock );
268 vlc_object_release( p_vout );
273 msg_Dbg( p_this, "reusing provided vout" );
275 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
276 vlc_object_detach( p_vout );
278 vlc_object_attach( p_vout, p_this );
279 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), true );
285 msg_Dbg( p_this, "no usable vout present, spawning one" );
287 p_vout = vout_Create( p_this, p_fmt );
293 /*****************************************************************************
294 * vout_Create: creates a new video output thread
295 *****************************************************************************
296 * This function creates a new video output thread, and returns a pointer
297 * to its description. On error, it returns NULL.
298 *****************************************************************************/
299 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
301 vout_thread_t * p_vout; /* thread descriptor */
302 int i_index; /* loop variable */
305 unsigned int i_width = p_fmt->i_width;
306 unsigned int i_height = p_fmt->i_height;
307 vlc_fourcc_t i_chroma = vlc_fourcc_GetCodec( VIDEO_ES, p_fmt->i_chroma );
308 unsigned int i_aspect = p_fmt->i_aspect;
310 config_chain_t *p_cfg;
314 if( i_width <= 0 || i_height <= 0 || i_aspect <= 0 )
317 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
318 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
319 if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
322 /* Allocate descriptor */
323 static const char typename[] = "video output";
324 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
330 p_vout->p = calloc( 1, sizeof(*p_vout->p) );
333 vlc_object_release( p_vout );
337 /* Initialize pictures - translation tables and functions
338 * will be initialized later in InitThread */
339 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
341 p_vout->p_picture[i_index].pf_lock = NULL;
342 p_vout->p_picture[i_index].pf_unlock = NULL;
343 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
344 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
345 p_vout->p_picture[i_index].b_slow = 0;
348 /* No images in the heap */
349 p_vout->i_heap_size = 0;
351 /* Initialize the rendering heap */
352 I_RENDERPICTURES = 0;
354 p_vout->fmt_render = *p_fmt; /* FIXME palette */
355 p_vout->fmt_in = *p_fmt; /* FIXME palette */
357 p_vout->render.i_width = i_width;
358 p_vout->render.i_height = i_height;
359 p_vout->render.i_chroma = i_chroma;
360 p_vout->render.i_aspect = i_aspect;
362 p_vout->render.i_rmask = p_fmt->i_rmask;
363 p_vout->render.i_gmask = p_fmt->i_gmask;
364 p_vout->render.i_bmask = p_fmt->i_bmask;
366 p_vout->render.i_last_used_pic = -1;
367 p_vout->render.b_allow_modify_pics = 1;
369 /* Zero the output heap */
370 I_OUTPUTPICTURES = 0;
371 p_vout->output.i_width = 0;
372 p_vout->output.i_height = 0;
373 p_vout->output.i_chroma = 0;
374 p_vout->output.i_aspect = 0;
376 p_vout->output.i_rmask = 0;
377 p_vout->output.i_gmask = 0;
378 p_vout->output.i_bmask = 0;
380 /* Initialize misc stuff */
381 p_vout->i_changes = 0;
382 p_vout->b_autoscale = 1;
383 p_vout->i_zoom = ZOOM_FP_FACTOR;
384 p_vout->b_fullscreen = 0;
385 p_vout->i_alignment = 0;
386 p_vout->p->render_time = 10;
387 p_vout->p->c_fps_samples = 0;
388 vout_statistic_Init( &p_vout->p->statistic );
389 p_vout->p->b_filter_change = 0;
390 p_vout->p->b_paused = false;
391 p_vout->p->i_pause_date = 0;
392 p_vout->pf_control = NULL;
393 p_vout->p->i_par_num =
394 p_vout->p->i_par_den = 1;
395 p_vout->p->p_picture_displayed = NULL;
396 p_vout->p->i_picture_displayed_date = 0;
397 p_vout->p->b_picture_displayed = false;
398 p_vout->p->b_picture_empty = false;
399 p_vout->p->i_picture_qtype = QTYPE_NONE;
400 p_vout->p->b_picture_interlaced = false;
402 vlc_mouse_Init( &p_vout->p->mouse );
404 vout_snapshot_Init( &p_vout->p->snapshot );
406 /* Initialize locks */
407 vlc_mutex_init( &p_vout->picture_lock );
408 vlc_cond_init( &p_vout->p->picture_wait );
409 vlc_mutex_init( &p_vout->change_lock );
410 vlc_mutex_init( &p_vout->p->vfilter_lock );
412 /* Mouse coordinates */
413 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
414 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
415 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
416 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
417 var_Create( p_vout, "mouse-clicked", VLC_VAR_BOOL );
419 /* Initialize subpicture unit */
420 p_vout->p_spu = spu_Create( p_vout );
422 /* Attach the new object now so we can use var inheritance below */
423 vlc_object_attach( p_vout, p_parent );
426 spu_Init( p_vout->p_spu );
428 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), true );
430 /* Take care of some "interface/control" related initialisations */
431 vout_IntfInit( p_vout );
433 /* If the parent is not a VOUT object, that means we are at the start of
434 * the video output pipe */
435 if( vlc_internals( p_parent )->i_object_type != VLC_OBJECT_VOUT )
437 /* Look for the default filter configuration */
438 p_vout->p->psz_filter_chain =
439 var_CreateGetStringCommand( p_vout, "vout-filter" );
441 /* Apply video filter2 objects on the first vout */
443 var_CreateGetStringCommand( p_vout, "video-filter" );
445 p_vout->p->b_first_vout = true;
449 /* continue the parent's filter chain */
452 /* Ugly hack to jump to our configuration chain */
453 p_vout->p->psz_filter_chain
454 = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
455 p_vout->p->psz_filter_chain
456 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
457 config_ChainDestroy( p_cfg );
460 /* Create a video filter2 var ... but don't inherit values */
461 var_Create( p_vout, "video-filter",
462 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
463 p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
466 p_vout->p->b_first_vout = false;
469 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
470 p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
471 false, video_filter_buffer_allocation_init, NULL, p_vout );
473 /* Choose the video output module */
474 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
476 psz_parser = var_CreateGetString( p_vout, "vout" );
480 psz_parser = strdup( p_vout->p->psz_filter_chain );
481 p_vout->p->b_title_show = false;
484 /* Create the vout thread */
485 char* psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
488 p_vout->p_cfg = p_cfg;
490 /* Create a few object variables for interface interaction */
491 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
492 text.psz_string = _("Filters");
493 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
494 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
497 DeinterlaceEnable( p_vout );
499 if( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain )
500 p_vout->p->psz_module_type = "video filter";
502 p_vout->p->psz_module_type = "video output";
503 p_vout->p->psz_module_name = psz_name;
504 p_vout->p_module = NULL;
507 vlc_object_set_destructor( p_vout, vout_Destructor );
510 vlc_cond_init( &p_vout->p->change_wait );
511 if( vlc_clone( &p_vout->p->thread, RunThread, p_vout,
512 VLC_THREAD_PRIORITY_OUTPUT ) )
514 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
515 spu_Destroy( p_vout->p_spu );
516 p_vout->p_spu = NULL;
517 vlc_object_release( p_vout );
521 vlc_mutex_lock( &p_vout->change_lock );
522 while( !p_vout->p->b_ready )
523 { /* We are (ab)using the same condition in opposite directions for
524 * b_ready and b_done. This works because of the strict ordering. */
525 assert( !p_vout->p->b_done );
526 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
528 vlc_mutex_unlock( &p_vout->change_lock );
530 if( p_vout->b_error )
532 msg_Err( p_vout, "video output creation failed" );
533 vout_CloseAndRelease( p_vout );
540 /*****************************************************************************
541 * vout_Close: Close a vout created by vout_Create.
542 *****************************************************************************
543 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
544 * You should NEVER call it on vout not obtained through vout_Create
545 * (like with vout_Request or vlc_object_find.)
546 * You can use vout_CloseAndRelease() as a convenience method.
547 *****************************************************************************/
548 void vout_Close( vout_thread_t *p_vout )
552 vlc_mutex_lock( &p_vout->change_lock );
553 p_vout->p->b_done = true;
554 vlc_cond_signal( &p_vout->p->change_wait );
555 vlc_mutex_unlock( &p_vout->change_lock );
557 vout_snapshot_End( &p_vout->p->snapshot );
559 vlc_join( p_vout->p->thread, NULL );
563 static void vout_Destructor( vlc_object_t * p_this )
565 vout_thread_t *p_vout = (vout_thread_t *)p_this;
567 /* Make sure the vout was stopped first */
568 assert( !p_vout->p_module );
570 free( p_vout->p->psz_module_name );
574 spu_Destroy( p_vout->p_spu );
576 /* Destroy the locks */
577 vlc_cond_destroy( &p_vout->p->change_wait );
578 vlc_cond_destroy( &p_vout->p->picture_wait );
579 vlc_mutex_destroy( &p_vout->picture_lock );
580 vlc_mutex_destroy( &p_vout->change_lock );
581 vlc_mutex_destroy( &p_vout->p->vfilter_lock );
584 vout_statistic_Clean( &p_vout->p->statistic );
587 vout_snapshot_Clean( &p_vout->p->snapshot );
590 free( p_vout->p->psz_filter_chain );
591 free( p_vout->p->psz_title );
593 config_ChainDestroy( p_vout->p_cfg );
598 vout_thread_t *p_another_vout;
600 /* This is a dirty hack mostly for Linux, where there is no way to get the
601 * GUI back if you closed it while playing video. This is solved in
602 * Mac OS X, where we have this novelty called menubar, that will always
603 * allow you access to the applications main functionality. They should try
604 * that on linux sometime. */
605 p_another_vout = vlc_object_find( p_this->p_libvlc,
606 VLC_OBJECT_VOUT, FIND_ANYWHERE );
607 if( p_another_vout == NULL )
608 var_SetBool( p_this->p_libvlc, "intf-show", true );
610 vlc_object_release( p_another_vout );
615 void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
617 vlc_mutex_lock( &p_vout->change_lock );
619 assert( !p_vout->p->b_paused || !b_paused );
621 vlc_mutex_lock( &p_vout->picture_lock );
623 p_vout->p->i_picture_displayed_date = 0;
625 if( p_vout->p->b_paused )
627 const mtime_t i_duration = i_date - p_vout->p->i_pause_date;
629 for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
631 picture_t *p_pic = PP_RENDERPICTURE[i_index];
633 if( p_pic->i_status == READY_PICTURE )
634 p_pic->date += i_duration;
636 vlc_cond_signal( &p_vout->p->picture_wait );
637 vlc_mutex_unlock( &p_vout->picture_lock );
639 spu_OffsetSubtitleDate( p_vout->p_spu, i_duration );
643 vlc_mutex_unlock( &p_vout->picture_lock );
645 p_vout->p->b_paused = b_paused;
646 p_vout->p->i_pause_date = i_date;
648 vlc_mutex_unlock( &p_vout->change_lock );
651 void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
653 vout_statistic_GetReset( &p_vout->p->statistic,
654 pi_displayed, pi_lost );
657 void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
659 vlc_mutex_lock( &p_vout->picture_lock );
660 p_vout->p->i_picture_displayed_date = 0;
661 for( int i = 0; i < p_vout->render.i_pictures; i++ )
663 picture_t *p_pic = p_vout->render.pp_picture[i];
665 if( p_pic->i_status == READY_PICTURE ||
666 p_pic->i_status == DISPLAYED_PICTURE )
668 /* We cannot change picture status if it is in READY_PICTURE state,
669 * Just make sure they won't be displayed */
670 if( p_pic->date > i_date )
671 p_pic->date = i_date;
674 vlc_cond_signal( &p_vout->p->picture_wait );
675 vlc_mutex_unlock( &p_vout->picture_lock );
678 void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
680 int i_pic, i_ready_pic;
682 vlc_mutex_lock( &p_vout->picture_lock );
684 for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->render.i_pictures && !b_forced; i_pic++ )
686 const picture_t *p_pic = p_vout->render.pp_picture[i_pic];
688 if( p_pic->i_status == READY_PICTURE )
691 /* If we have at least 2 ready pictures, wait for the vout thread to
693 if( i_ready_pic >= 2 )
699 if( p_pic->i_status == DISPLAYED_PICTURE )
701 /* If at least one displayed picture is not referenced
702 * let vout free it */
703 if( p_pic->i_refcount == 0 )
707 if( i_pic < p_vout->render.i_pictures && !b_forced )
709 vlc_mutex_unlock( &p_vout->picture_lock );
713 /* Too many pictures are still referenced, there is probably a bug
714 * with the decoder */
716 msg_Err( p_vout, "pictures leaked, resetting the heap" );
718 /* Just free all the pictures */
719 for( i_pic = 0; i_pic < p_vout->render.i_pictures; i_pic++ )
721 picture_t *p_pic = p_vout->render.pp_picture[i_pic];
723 msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
724 p_pic->i_refcount = 0;
726 switch( p_pic->i_status )
729 case DISPLAYED_PICTURE:
730 case RESERVED_PICTURE:
731 if( p_pic != p_vout->p->p_picture_displayed )
732 vout_UsePictureLocked( p_vout, p_pic );
736 vlc_cond_signal( &p_vout->p->picture_wait );
737 vlc_mutex_unlock( &p_vout->picture_lock );
739 void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
741 vlc_mutex_lock( &p_vout->picture_lock );
743 const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;
745 p_vout->p->b_picture_displayed = false;
746 p_vout->p->b_picture_empty = false;
747 if( p_vout->p->p_picture_displayed )
749 p_vout->p->p_picture_displayed->date = 1;
750 vlc_cond_signal( &p_vout->p->picture_wait );
753 while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
754 vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->picture_lock );
756 *pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );
758 /* TODO advance subpicture by the duration ... */
760 vlc_mutex_unlock( &p_vout->picture_lock );
763 void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
767 if( !config_GetInt( p_vout, "osd" ) )
770 vlc_mutex_lock( &p_vout->change_lock );
771 free( p_vout->p->psz_title );
772 p_vout->p->psz_title = strdup( psz_title );
773 vlc_mutex_unlock( &p_vout->change_lock );
776 spu_t *vout_GetSpu( vout_thread_t *p_vout )
778 return p_vout->p_spu;
781 /*****************************************************************************
782 * InitThread: initialize video output thread
783 *****************************************************************************
784 * This function is called from RunThread and performs the second step of the
785 * initialization. It returns 0 on success. Note that the thread's flag are not
786 * modified inside this function.
787 * XXX You have to enter it with change_lock taken.
788 *****************************************************************************/
789 static int ChromaCreate( vout_thread_t *p_vout );
790 static void ChromaDestroy( vout_thread_t *p_vout );
792 static bool ChromaIsEqual( const picture_heap_t *p_output, const picture_heap_t *p_render )
794 if( !vout_ChromaCmp( p_output->i_chroma, p_render->i_chroma ) )
797 if( p_output->i_chroma != VLC_CODEC_RGB15 &&
798 p_output->i_chroma != VLC_CODEC_RGB16 &&
799 p_output->i_chroma != VLC_CODEC_RGB24 &&
800 p_output->i_chroma != VLC_CODEC_RGB32 )
803 return p_output->i_rmask == p_render->i_rmask &&
804 p_output->i_gmask == p_render->i_gmask &&
805 p_output->i_bmask == p_render->i_bmask;
808 static int InitThread( vout_thread_t *p_vout )
810 int i, i_aspect_x, i_aspect_y;
812 /* Initialize output method, it allocates direct buffers for us */
813 if( p_vout->pf_init( p_vout ) )
816 p_vout->p->p_picture_displayed = NULL;
818 if( !I_OUTPUTPICTURES )
820 msg_Err( p_vout, "plugin was unable to allocate at least "
821 "one direct buffer" );
822 p_vout->pf_end( p_vout );
826 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
828 msg_Err( p_vout, "plugin allocated too many direct buffers, "
829 "our internal buffers must have overflown." );
830 p_vout->pf_end( p_vout );
834 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
836 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
838 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
840 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
842 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
843 p_vout->output.i_width;
844 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
845 p_vout->output.i_height;
846 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
848 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
849 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
851 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
853 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
854 p_vout->fmt_out.i_height;
855 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
856 p_vout->fmt_out.i_width;
859 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
860 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
862 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
864 /* FIXME removed the need of both fmt_* and heap infos */
865 /* Calculate shifts from system-updated masks */
866 PictureHeapFixRgb( &p_vout->render );
867 VideoFormatImportRgb( &p_vout->fmt_render, &p_vout->render );
869 PictureHeapFixRgb( &p_vout->output );
870 VideoFormatImportRgb( &p_vout->fmt_out, &p_vout->output );
872 /* print some usefull debug info about different vout formats
874 msg_Dbg( p_vout, "pic render sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, ar %i:%i, sar %i:%i, msk r0x%x g0x%x b0x%x",
875 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
876 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
877 p_vout->fmt_render.i_visible_width,
878 p_vout->fmt_render.i_visible_height,
879 (char*)&p_vout->fmt_render.i_chroma,
880 i_aspect_x, i_aspect_y,
881 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den,
882 p_vout->fmt_render.i_rmask, p_vout->fmt_render.i_gmask, p_vout->fmt_render.i_bmask );
884 msg_Dbg( p_vout, "pic in sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, ar %i:%i, sar %i:%i, msk r0x%x g0x%x b0x%x",
885 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
886 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
887 p_vout->fmt_in.i_visible_width,
888 p_vout->fmt_in.i_visible_height,
889 (char*)&p_vout->fmt_in.i_chroma,
890 i_aspect_x, i_aspect_y,
891 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den,
892 p_vout->fmt_in.i_rmask, p_vout->fmt_in.i_gmask, p_vout->fmt_in.i_bmask );
894 msg_Dbg( p_vout, "pic out sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, ar %i:%i, sar %i:%i, msk r0x%x g0x%x b0x%x",
895 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
896 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
897 p_vout->fmt_out.i_visible_width,
898 p_vout->fmt_out.i_visible_height,
899 (char*)&p_vout->fmt_out.i_chroma,
900 i_aspect_x, i_aspect_y,
901 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den,
902 p_vout->fmt_out.i_rmask, p_vout->fmt_out.i_gmask, p_vout->fmt_out.i_bmask );
904 /* Check whether we managed to create direct buffers similar to
905 * the render buffers, ie same size and chroma */
906 if( ( p_vout->output.i_width == p_vout->render.i_width )
907 && ( p_vout->output.i_height == p_vout->render.i_height )
908 && ( ChromaIsEqual( &p_vout->output, &p_vout->render ) ) )
910 /* Cool ! We have direct buffers, we can ask the decoder to
911 * directly decode into them ! Map the first render buffers to
912 * the first direct buffers, but keep the first direct buffer
913 * for memcpy operations */
914 p_vout->p->b_direct = true;
916 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
918 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
919 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
920 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
922 /* We have enough direct buffers so there's no need to
923 * try to use system memory buffers. */
926 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
930 msg_Dbg( p_vout, "direct render, mapping "
931 "render pictures 0-%i to system pictures 1-%i",
932 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
936 /* Rats... Something is wrong here, we could not find an output
937 * plugin able to directly render what we decode. See if we can
938 * find a chroma plugin to do the conversion */
939 p_vout->p->b_direct = false;
941 if( ChromaCreate( p_vout ) )
943 p_vout->pf_end( p_vout );
947 msg_Dbg( p_vout, "indirect render, mapping "
948 "render pictures 0-%i to system pictures %i-%i",
949 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
950 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
952 /* Append render buffers after the direct buffers */
953 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
955 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
958 /* Check if we have enough render pictures */
959 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
967 /*****************************************************************************
968 * RunThread: video output thread
969 *****************************************************************************
970 * Video output thread. This function does only returns when the thread is
971 * terminated. It handles the pictures arriving in the video heap and the
972 * display device events.
973 *****************************************************************************/
974 static void* RunThread( void *p_this )
976 vout_thread_t *p_vout = p_this;
977 int i_idle_loops = 0; /* loops without displaying a picture */
978 int i_picture_qtype_last = QTYPE_NONE;
979 bool b_picture_interlaced_last = false;
980 mtime_t i_picture_interlaced_last_date;
985 p_vout->p_module = module_need( p_vout,
986 p_vout->p->psz_module_type,
987 p_vout->p->psz_module_name,
988 !strcmp(p_vout->p->psz_module_type, "video filter") );
990 vlc_mutex_lock( &p_vout->change_lock );
992 if( p_vout->p_module )
993 p_vout->b_error = InitThread( p_vout );
995 p_vout->b_error = true;
997 /* signal the creation of the vout */
998 p_vout->p->b_ready = true;
999 vlc_cond_signal( &p_vout->p->change_wait );
1001 if( p_vout->b_error )
1005 const bool b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
1006 i_picture_interlaced_last_date = mdate();
1009 * Main loop - it is not executed if an error occurred during
1012 while( !p_vout->p->b_done && !p_vout->b_error )
1014 /* Initialize loop variables */
1015 const mtime_t current_date = mdate();
1016 picture_t *p_picture;
1017 picture_t *p_filtered_picture;
1018 mtime_t display_date;
1019 picture_t *p_directbuffer;
1022 if( p_vout->p->b_title_show && p_vout->p->psz_title )
1023 DisplayTitleOnOSD( p_vout );
1025 vlc_mutex_lock( &p_vout->picture_lock );
1027 /* Look for the earliest picture but after the last displayed one */
1028 picture_t *p_last = p_vout->p->p_picture_displayed;;
1031 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
1033 picture_t *p_pic = PP_RENDERPICTURE[i_index];
1035 if( p_pic->i_status != READY_PICTURE )
1038 if( p_vout->p->b_paused && p_last && p_last->date > 1 )
1041 if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
1043 /* Drop old picture */
1044 vout_UsePictureLocked( p_vout, p_pic );
1046 else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
1047 p_pic->date < current_date + p_vout->p->render_time &&
1050 /* Picture is late: it will be destroyed and the thread
1051 * will directly choose the next picture */
1052 vout_UsePictureLocked( p_vout, p_pic );
1053 vout_statistic_Update( &p_vout->p->statistic, 0, 1 );
1055 msg_Warn( p_vout, "late picture skipped (%"PRId64" > %d)",
1056 current_date - p_pic->date, - p_vout->p->render_time );
1058 else if( ( !p_last || p_last->date < p_pic->date ) &&
1059 ( p_picture == NULL || p_pic->date < p_picture->date ) )
1068 if( !p_vout->p->b_picture_empty )
1070 p_vout->p->b_picture_empty = true;
1071 vlc_cond_signal( &p_vout->p->picture_wait );
1078 display_date = p_picture->date;
1080 /* If we found better than the last picture, destroy it */
1081 if( p_last && p_picture != p_last )
1083 vout_UsePictureLocked( p_vout, p_last );
1084 p_vout->p->p_picture_displayed = p_last = NULL;
1087 /* Compute FPS rate */
1088 p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
1090 if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1092 /* A picture is ready to be rendered, but its rendering date
1093 * is far from the current one so the thread will perform an
1094 * empty loop as if no picture were found. The picture state
1099 else if( p_picture == p_last )
1101 /* We are asked to repeat the previous picture, but we first
1102 * wait for a couple of idle loops */
1103 if( i_idle_loops < 4 )
1110 /* We set the display date to something high, otherwise
1111 * we'll have lots of problems with late pictures */
1112 display_date = current_date + p_vout->p->render_time;
1115 else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1117 display_date = current_date + VOUT_DISPLAY_DELAY;
1122 if( p_picture->date > 1 )
1124 p_vout->p->i_picture_displayed_date = p_picture->date;
1125 if( p_picture != p_last && !p_vout->p->b_picture_displayed )
1127 p_vout->p->b_picture_displayed = true;
1128 vlc_cond_signal( &p_vout->p->picture_wait );
1131 p_vout->p->p_picture_displayed = p_picture;
1136 const int i_postproc_type = p_vout->p->i_picture_qtype;
1137 const int i_postproc_state = (p_vout->p->i_picture_qtype != QTYPE_NONE) - (i_picture_qtype_last != QTYPE_NONE);
1139 const bool b_picture_interlaced = p_vout->p->b_picture_interlaced;
1140 const int i_picture_interlaced_state = (!!p_vout->p->b_picture_interlaced) - (!!b_picture_interlaced_last);
1142 vlc_mutex_unlock( &p_vout->picture_lock );
1144 if( p_picture == NULL )
1147 p_filtered_picture = NULL;
1149 p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
1152 const bool b_snapshot = vout_snapshot_IsRequested( &p_vout->p->snapshot );
1155 * Check for subpictures to display
1157 mtime_t spu_render_time;
1158 if( p_vout->p->b_paused )
1159 spu_render_time = p_vout->p->i_pause_date;
1160 else if( p_picture )
1161 spu_render_time = p_picture->date > 1 ? p_picture->date : mdate();
1163 spu_render_time = 0;
1165 subpicture_t *p_subpic = spu_SortSubpictures( p_vout->p_spu,
1171 vout_statistic_Update( &p_vout->p->statistic, 1, 0 );
1172 p_directbuffer = vout_RenderPicture( p_vout,
1173 p_filtered_picture, p_subpic,
1177 * Take a snapshot if requested
1179 if( p_directbuffer && b_snapshot )
1180 vout_snapshot_Set( &p_vout->p->snapshot,
1181 &p_vout->fmt_out, p_directbuffer );
1184 * Call the plugin-specific rendering method if there is one
1186 if( p_filtered_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1188 /* Render the direct buffer returned by vout_RenderPicture */
1189 p_vout->pf_render( p_vout, p_directbuffer );
1195 if( display_date != 0 && p_directbuffer != NULL )
1197 mtime_t current_render_time = mdate() - current_date;
1198 /* if render time is very large we don't include it in the mean */
1199 if( current_render_time < p_vout->p->render_time +
1200 VOUT_DISPLAY_DELAY )
1202 /* Store render time using a sliding mean weighting to
1203 * current value in a 3 to 1 ratio*/
1204 p_vout->p->render_time *= 3;
1205 p_vout->p->render_time += current_render_time;
1206 p_vout->p->render_time >>= 2;
1209 msg_Dbg( p_vout, "skipped big render time %d > %d", (int) current_render_time,
1210 (int) (p_vout->p->render_time +VOUT_DISPLAY_DELAY ) ) ;
1213 /* Give back change lock */
1214 vlc_mutex_unlock( &p_vout->change_lock );
1216 /* Sleep a while or until a given date */
1217 if( display_date != 0 )
1219 /* If there are *vout* filters in the chain, better give them the picture
1221 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
1223 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1228 /* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
1229 vlc_mutex_lock( &p_vout->picture_lock );
1230 vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->picture_lock, current_date + VOUT_IDLE_SLEEP );
1231 vlc_mutex_unlock( &p_vout->picture_lock );
1234 /* On awakening, take back lock and send immediately picture
1236 /* Note: p_vout->p->b_done could be true here and now */
1237 vlc_mutex_lock( &p_vout->change_lock );
1240 * Display the previously rendered picture
1242 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1244 /* Display the direct buffer returned by vout_RenderPicture */
1245 if( p_vout->pf_display )
1246 p_vout->pf_display( p_vout, p_directbuffer );
1248 /* Tell the vout this was the last picture and that it does not
1249 * need to be forced anymore. */
1250 p_picture->b_force = false;
1253 /* Drop the filtered picture if created by video filters */
1254 if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1256 vlc_mutex_lock( &p_vout->picture_lock );
1257 vout_UsePictureLocked( p_vout, p_filtered_picture );
1258 vlc_mutex_unlock( &p_vout->picture_lock );
1261 if( p_picture != NULL )
1263 /* Reinitialize idle loop count */
1268 * Check events and manage thread
1270 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1272 /* A fatal error occurred, and the thread must terminate
1273 * immediately, without displaying anything - setting b_error to 1
1274 * causes the immediate end of the main while() loop. */
1276 p_vout->b_error = 1;
1280 while( p_vout->i_changes & VOUT_ON_TOP_CHANGE )
1282 p_vout->i_changes &= ~VOUT_ON_TOP_CHANGE;
1283 vlc_mutex_unlock( &p_vout->change_lock );
1284 vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, p_vout->b_on_top );
1285 vlc_mutex_lock( &p_vout->change_lock );
1288 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1290 /* this must only happen when the vout plugin is incapable of
1291 * rescaling the picture itself. In this case we need to destroy
1292 * the current picture buffers and recreate new ones with the right
1296 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1298 assert( !p_vout->p->b_direct );
1300 ChromaDestroy( p_vout );
1302 vlc_mutex_lock( &p_vout->picture_lock );
1304 p_vout->pf_end( p_vout );
1306 p_vout->p->p_picture_displayed = NULL;
1307 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1308 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1309 vlc_cond_signal( &p_vout->p->picture_wait );
1311 I_OUTPUTPICTURES = 0;
1313 if( p_vout->pf_init( p_vout ) )
1315 msg_Err( p_vout, "cannot resize display" );
1316 /* FIXME: pf_end will be called again in CleanThread()? */
1317 p_vout->b_error = 1;
1320 vlc_mutex_unlock( &p_vout->picture_lock );
1322 /* Need to reinitialise the chroma plugin. Since we might need
1323 * resizing too and it's not sure that we already had it,
1324 * recreate the chroma plugin chain from scratch. */
1326 if( ChromaCreate( p_vout ) )
1328 msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
1329 p_vout->b_error = 1;
1331 if( p_vout->b_error )
1335 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1337 /* This happens when the picture buffers need to be recreated.
1338 * This is useful on multimonitor displays for instance.
1340 * Warning: This only works when the vout creates only 1 picture
1342 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1344 if( !p_vout->p->b_direct )
1345 ChromaDestroy( p_vout );
1347 vlc_mutex_lock( &p_vout->picture_lock );
1349 p_vout->pf_end( p_vout );
1351 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1353 p_vout->b_error = InitThread( p_vout );
1354 if( p_vout->b_error )
1355 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed" );
1357 vlc_cond_signal( &p_vout->p->picture_wait );
1358 vlc_mutex_unlock( &p_vout->picture_lock );
1360 if( p_vout->b_error )
1364 /* Post processing */
1365 if( i_postproc_state == 1 )
1366 PostProcessEnable( p_vout );
1367 else if( i_postproc_state == -1 )
1368 PostProcessDisable( p_vout );
1369 if( i_postproc_state != 0 )
1370 i_picture_qtype_last = i_postproc_type;
1373 * Wait 30s before quiting interlacing mode */
1374 if( ( i_picture_interlaced_state == 1 ) ||
1375 ( i_picture_interlaced_state == -1 && i_picture_interlaced_last_date + 30000000 < current_date ) )
1377 DeinterlaceNeeded( p_vout, b_picture_interlaced );
1378 b_picture_interlaced_last = b_picture_interlaced;
1380 if( b_picture_interlaced )
1381 i_picture_interlaced_last_date = current_date;
1384 /* Check for "video filter2" changes */
1385 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1386 if( p_vout->p->psz_vf2 )
1390 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1391 fmt.video = p_vout->fmt_render;
1392 filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
1394 if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
1395 p_vout->p->psz_vf2 ) < 0 )
1396 msg_Err( p_vout, "Video filter chain creation failed" );
1398 free( p_vout->p->psz_vf2 );
1399 p_vout->p->psz_vf2 = NULL;
1401 if( i_picture_qtype_last != QTYPE_NONE )
1402 PostProcessSetFilterQuality( p_vout );
1404 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1408 * Error loop - wait until the thread destruction is requested
1410 if( p_vout->b_error )
1411 ErrorThread( p_vout );
1414 CleanThread( p_vout );
1418 EndThread( p_vout );
1419 vlc_mutex_unlock( &p_vout->change_lock );
1421 if( p_vout->p_module )
1422 module_unneed( p_vout, p_vout->p_module );
1423 p_vout->p_module = NULL;
1428 /*****************************************************************************
1429 * ErrorThread: RunThread() error loop
1430 *****************************************************************************
1431 * This function is called when an error occurred during thread main's loop.
1432 * The thread can still receive feed, but must be ready to terminate as soon
1434 *****************************************************************************/
1435 static void ErrorThread( vout_thread_t *p_vout )
1437 /* Wait until a `close' order */
1438 while( !p_vout->p->b_done )
1439 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
1442 /*****************************************************************************
1443 * CleanThread: clean up after InitThread
1444 *****************************************************************************
1445 * This function is called after a sucessful
1446 * initialization. It frees all resources allocated by InitThread.
1447 * XXX You have to enter it with change_lock taken.
1448 *****************************************************************************/
1449 static void CleanThread( vout_thread_t *p_vout )
1451 int i_index; /* index in heap */
1453 if( !p_vout->p->b_direct )
1454 ChromaDestroy( p_vout );
1456 /* Destroy all remaining pictures */
1457 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1459 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1461 free( p_vout->p_picture[i_index].p_data_orig );
1465 /* Destroy translation tables */
1466 if( !p_vout->b_error )
1467 p_vout->pf_end( p_vout );
1470 /*****************************************************************************
1471 * EndThread: thread destruction
1472 *****************************************************************************
1473 * This function is called when the thread ends.
1474 * It frees all resources not allocated by InitThread.
1475 * XXX You have to enter it with change_lock taken.
1476 *****************************************************************************/
1477 static void EndThread( vout_thread_t *p_vout )
1481 struct tms cpu_usage;
1482 times( &cpu_usage );
1484 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1485 cpu_usage.tms_utime, cpu_usage.tms_stime );
1489 /* FIXME does that function *really* need to be called inside the thread ? */
1491 /* Detach subpicture unit from both input and vout */
1492 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1493 vlc_object_detach( p_vout->p_spu );
1495 /* Destroy the video filters2 */
1496 filter_chain_Delete( p_vout->p->p_vf2_chain );
1499 /* Thread helpers */
1500 static picture_t *ChromaGetPicture( filter_t *p_filter )
1502 picture_t *p_pic = (picture_t *)p_filter->p_owner;
1503 p_filter->p_owner = NULL;
1507 static int ChromaCreate( vout_thread_t *p_vout )
1509 static const char typename[] = "chroma";
1512 /* Choose the best module */
1513 p_chroma = p_vout->p->p_chroma =
1514 vlc_custom_create( p_vout, sizeof(filter_t), VLC_OBJECT_GENERIC,
1517 vlc_object_attach( p_chroma, p_vout );
1519 /* TODO: Set the fmt_in and fmt_out stuff here */
1520 p_chroma->fmt_in.video = p_vout->fmt_render;
1521 p_chroma->fmt_out.video = p_vout->fmt_out;
1522 VideoFormatImportRgb( &p_chroma->fmt_in.video, &p_vout->render );
1523 VideoFormatImportRgb( &p_chroma->fmt_out.video, &p_vout->output );
1525 p_chroma->p_module = module_need( p_chroma, "video filter2", NULL, false );
1527 if( p_chroma->p_module == NULL )
1529 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s i=%dx%d o=%dx%d",
1530 (char*)&p_vout->render.i_chroma,
1531 (char*)&p_vout->output.i_chroma,
1532 p_chroma->fmt_in.video.i_width, p_chroma->fmt_in.video.i_height,
1533 p_chroma->fmt_out.video.i_width, p_chroma->fmt_out.video.i_height
1536 vlc_object_release( p_vout->p->p_chroma );
1537 p_vout->p->p_chroma = NULL;
1539 return VLC_EGENERIC;
1541 p_chroma->pf_vout_buffer_new = ChromaGetPicture;
1545 static void ChromaDestroy( vout_thread_t *p_vout )
1547 assert( !p_vout->p->b_direct );
1549 if( !p_vout->p->p_chroma )
1552 module_unneed( p_vout->p->p_chroma, p_vout->p->p_chroma->p_module );
1553 vlc_object_release( p_vout->p->p_chroma );
1554 p_vout->p->p_chroma = NULL;
1557 /* following functions are local */
1558 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1560 const int i_pgcd = i_aspect ? GCD( i_aspect, VOUT_ASPECT_FACTOR ) : 1;
1561 *i_aspect_x = i_aspect / i_pgcd;
1562 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1566 * This function copies all RGB informations from a picture_heap_t into
1569 static void VideoFormatImportRgb( video_format_t *p_fmt, const picture_heap_t *p_heap )
1571 p_fmt->i_rmask = p_heap->i_rmask;
1572 p_fmt->i_gmask = p_heap->i_gmask;
1573 p_fmt->i_bmask = p_heap->i_bmask;
1574 p_fmt->i_rrshift = p_heap->i_rrshift;
1575 p_fmt->i_lrshift = p_heap->i_lrshift;
1576 p_fmt->i_rgshift = p_heap->i_rgshift;
1577 p_fmt->i_lgshift = p_heap->i_lgshift;
1578 p_fmt->i_rbshift = p_heap->i_rbshift;
1579 p_fmt->i_lbshift = p_heap->i_lbshift;
1583 * This funtion copes all RGB informations from a video_format_t into
1586 static void VideoFormatExportRgb( const video_format_t *p_fmt, picture_heap_t *p_heap )
1588 p_heap->i_rmask = p_fmt->i_rmask;
1589 p_heap->i_gmask = p_fmt->i_gmask;
1590 p_heap->i_bmask = p_fmt->i_bmask;
1591 p_heap->i_rrshift = p_fmt->i_rrshift;
1592 p_heap->i_lrshift = p_fmt->i_lrshift;
1593 p_heap->i_rgshift = p_fmt->i_rgshift;
1594 p_heap->i_lgshift = p_fmt->i_lgshift;
1595 p_heap->i_rbshift = p_fmt->i_rbshift;
1596 p_heap->i_lbshift = p_fmt->i_lbshift;
1600 * This function computes rgb shifts from masks
1602 static void PictureHeapFixRgb( picture_heap_t *p_heap )
1607 fmt.i_chroma = p_heap->i_chroma;
1608 VideoFormatImportRgb( &fmt, p_heap );
1611 video_format_FixRgb( &fmt );
1613 VideoFormatExportRgb( &fmt, p_heap );
1616 /*****************************************************************************
1617 * object variables callbacks: a bunch of object variables are used by the
1618 * interfaces to interact with the vout.
1619 *****************************************************************************/
1620 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1621 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1623 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1624 input_thread_t *p_input;
1625 (void)psz_cmd; (void)oldval; (void)p_data;
1627 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1631 msg_Err( p_vout, "Input not found" );
1632 return VLC_EGENERIC;
1635 var_SetBool( p_vout, "intf-change", true );
1637 /* Modify input as well because the vout might have to be restarted */
1638 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1639 var_SetString( p_input, "vout-filter", newval.psz_string );
1641 /* Now restart current video stream */
1642 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1643 vlc_object_release( p_input );
1648 /*****************************************************************************
1649 * Video Filter2 stuff
1650 *****************************************************************************/
1651 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1652 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1654 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1655 (void)psz_cmd; (void)oldval; (void)p_data;
1657 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1658 p_vout->p->psz_vf2 = strdup( newval.psz_string );
1659 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1664 /*****************************************************************************
1666 *****************************************************************************/
1667 static bool PostProcessIsPresent( const char *psz_filter )
1669 const char *psz_pp = "postproc";
1670 const size_t i_pp = strlen(psz_pp);
1671 return psz_filter &&
1672 !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) &&
1673 ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' );
1676 static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd,
1677 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1679 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1680 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1682 static const char *psz_pp = "postproc";
1684 char *psz_vf2 = var_GetString( p_vout, "video-filter" );
1686 if( newval.i_int <= 0 )
1688 if( PostProcessIsPresent( psz_vf2 ) )
1690 strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] );
1691 if( *psz_vf2 == ':' )
1692 strcpy( psz_vf2, &psz_vf2[1] );
1697 if( !PostProcessIsPresent( psz_vf2 ) )
1701 char *psz_tmp = psz_vf2;
1702 if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 )
1709 psz_vf2 = strdup( psz_pp );
1715 var_SetString( p_vout, "video-filter", psz_vf2 );
1721 static void PostProcessEnable( vout_thread_t *p_vout )
1724 msg_Dbg( p_vout, "Post-processing available" );
1725 var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
1726 text.psz_string = _("Post processing");
1727 var_Change( p_vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL );
1729 for( int i = 0; i <= 6; i++ )
1736 snprintf( psz_text, sizeof(psz_text), "%d", i );
1738 text.psz_string = _("Disable");
1740 text.psz_string = psz_text;
1741 var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text );
1743 var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL );
1746 char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" );
1747 int i_postproc_q = 0;
1748 if( PostProcessIsPresent( psz_filter ) )
1749 i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" );
1751 var_SetInteger( p_vout, "postprocess", i_postproc_q );
1755 static void PostProcessDisable( vout_thread_t *p_vout )
1757 msg_Dbg( p_vout, "Post-processing no more available" );
1758 var_Destroy( p_vout, "postprocess" );
1760 static void PostProcessSetFilterQuality( vout_thread_t *p_vout )
1762 vlc_object_t *p_pp = vlc_object_find_name( p_vout, "postproc", FIND_CHILD );
1766 var_SetInteger( p_pp, "postproc-q", var_GetInteger( p_vout, "postprocess" ) );
1767 vlc_object_release( p_pp );
1771 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1773 const mtime_t i_start = mdate();
1774 const mtime_t i_stop = i_start + INT64_C(1000) * p_vout->p->i_title_timeout;
1776 if( i_stop <= i_start )
1779 vlc_assert_locked( &p_vout->change_lock );
1781 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1782 p_vout->p->psz_title, NULL,
1783 p_vout->p->i_title_position,
1784 30 + p_vout->fmt_in.i_width
1785 - p_vout->fmt_in.i_visible_width
1786 - p_vout->fmt_in.i_x_offset,
1787 20 + p_vout->fmt_in.i_y_offset,
1790 free( p_vout->p->psz_title );
1792 p_vout->p->psz_title = NULL;
1795 /*****************************************************************************
1797 *****************************************************************************/
1800 const char *psz_mode;
1802 } deinterlace_mode_t;
1805 * You can use the non vout filter if and only if the video properties stay the
1806 * same (width/height/chroma/fps), at least for now.
1808 static const deinterlace_mode_t p_deinterlace_mode[] = {
1810 { "discard", true },
1817 { "yadif2x", true },
1821 static char *FilterFind( char *psz_filter_base, const char *psz_module )
1823 const size_t i_module = strlen( psz_module );
1824 const char *psz_filter = psz_filter_base;
1826 if( !psz_filter || i_module <= 0 )
1831 char *psz_find = strstr( psz_filter, psz_module );
1834 if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' )
1836 psz_filter = &psz_find[i_module];
1840 static bool DeinterlaceIsPresent( vout_thread_t *p_vout, bool b_vout_filter )
1842 char *psz_filter = var_GetNonEmptyString( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1844 bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL;
1851 static void DeinterlaceRemove( vout_thread_t *p_vout, bool b_vout_filter )
1853 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1854 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1856 char *psz = FilterFind( psz_filter, "deinterlace" );
1864 strcpy( &psz[0], &psz[strlen("deinterlace")] );
1866 strcpy( &psz[0], &psz[1] );
1868 var_SetString( p_vout, psz_variable, psz_filter );
1871 static void DeinterlaceAdd( vout_thread_t *p_vout, bool b_vout_filter )
1873 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1875 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1877 if( FilterFind( psz_filter, "deinterlace" ) )
1886 char *psz_tmp = psz_filter;
1887 if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 )
1888 psz_filter = psz_tmp;
1894 psz_filter = strdup( "deinterlace" );
1899 var_SetString( p_vout, psz_variable, psz_filter );
1904 static void DeinterlaceSave( vout_thread_t *p_vout, int i_deinterlace, const char *psz_mode, bool is_needed )
1906 /* We have to set input variable to ensure restart support
1907 * XXX it is only needed because of vout-filter but must be done
1908 * for non video filter anyway */
1909 vlc_object_t *p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
1913 /* Another hack for "vout filter" mode */
1914 if( i_deinterlace < 0 )
1915 i_deinterlace = is_needed ? -2 : -3;
1917 var_Create( p_input, "deinterlace", VLC_VAR_INTEGER );
1918 var_SetInteger( p_input, "deinterlace", i_deinterlace );
1920 static const char * const ppsz_variable[] = {
1922 "filter-deinterlace-mode",
1923 "sout-deinterlace-mode",
1926 for( int i = 0; ppsz_variable[i]; i++ )
1928 var_Create( p_input, ppsz_variable[i], VLC_VAR_STRING );
1929 var_SetString( p_input, ppsz_variable[i], psz_mode );
1932 vlc_object_release( p_input );
1934 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1935 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1937 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(p_data);
1938 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1941 const int i_deinterlace = var_GetInteger( p_this, "deinterlace" );
1942 char *psz_mode = var_GetString( p_this, "deinterlace-mode" );
1943 const bool is_needed = var_GetBool( p_this, "deinterlace-needed" );
1945 return VLC_EGENERIC;
1947 DeinterlaceSave( p_vout, i_deinterlace, psz_mode, is_needed );
1950 bool b_vout_filter = true;
1951 for( const deinterlace_mode_t *p_mode = &p_deinterlace_mode[0]; p_mode->psz_mode; p_mode++ )
1953 if( !strcmp( p_mode->psz_mode, psz_mode ) )
1955 b_vout_filter = p_mode->b_vout_filter;
1964 psz_old = var_CreateGetString( p_vout, "filter-deinterlace-mode" );
1968 psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" );
1969 var_SetString( p_vout, "sout-deinterlace-mode", psz_mode );
1972 msg_Dbg( p_vout, "deinterlace %d, mode %s, is_needed %d", i_deinterlace, psz_mode, is_needed );
1973 if( i_deinterlace == 0 || ( i_deinterlace == -1 && !is_needed ) )
1975 DeinterlaceRemove( p_vout, false );
1976 DeinterlaceRemove( p_vout, true );
1980 if( !DeinterlaceIsPresent( p_vout, b_vout_filter ) )
1982 DeinterlaceRemove( p_vout, !b_vout_filter );
1983 DeinterlaceAdd( p_vout, b_vout_filter );
1987 /* The deinterlace filter was already inserted but we have changed the mode */
1988 DeinterlaceRemove( p_vout, !b_vout_filter );
1989 if( psz_old && strcmp( psz_old, psz_mode ) )
1990 var_TriggerCallback( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
2000 static void DeinterlaceEnable( vout_thread_t *p_vout )
2002 vlc_value_t val, text;
2004 if( !p_vout->p->b_first_vout )
2007 msg_Dbg( p_vout, "Deinterlacing available" );
2009 /* Create the configuration variables */
2011 var_Create( p_vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
2012 int i_deinterlace = var_GetInteger( p_vout, "deinterlace" );
2014 text.psz_string = _("Deinterlace");
2015 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
2017 const module_config_t *p_optd = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace" );
2018 var_Change( p_vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL );
2019 for( int i = 0; p_optd && i < p_optd->i_list; i++ )
2021 val.i_int = p_optd->pi_list[i];
2022 text.psz_string = (char*)vlc_gettext(p_optd->ppsz_list_text[i]);
2023 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
2025 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
2027 var_Create( p_vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
2028 char *psz_deinterlace = var_GetNonEmptyString( p_vout, "deinterlace-mode" );
2030 text.psz_string = _("Deinterlace mode");
2031 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL );
2033 const module_config_t *p_optm = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace-mode" );
2034 var_Change( p_vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL );
2035 for( int i = 0; p_optm && i < p_optm->i_list; i++ )
2037 val.psz_string = p_optm->ppsz_list[i];
2038 text.psz_string = (char*)vlc_gettext(p_optm->ppsz_list_text[i]);
2039 var_Change( p_vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text );
2041 var_AddCallback( p_vout, "deinterlace-mode", DeinterlaceCallback, NULL );
2043 var_Create( p_vout, "deinterlace-needed", VLC_VAR_BOOL );
2044 var_AddCallback( p_vout, "deinterlace-needed", DeinterlaceCallback, NULL );
2046 /* Override the initial value from filters if present */
2047 char *psz_filter_mode = NULL;
2048 if( DeinterlaceIsPresent( p_vout, true ) )
2049 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "filter-deinterlace-mode" );
2050 else if( DeinterlaceIsPresent( p_vout, false ) )
2051 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" );
2052 if( psz_filter_mode )
2054 free( psz_deinterlace );
2055 if( i_deinterlace >= -1 )
2057 psz_deinterlace = psz_filter_mode;
2061 if( i_deinterlace == -2 )
2062 p_vout->p->b_picture_interlaced = true;
2063 else if( i_deinterlace == -3 )
2064 p_vout->p->b_picture_interlaced = false;
2065 if( i_deinterlace < 0 )
2069 val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz;
2070 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL );
2071 val.b_bool = p_vout->p->b_picture_interlaced;
2072 var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL );
2074 var_SetInteger( p_vout, "deinterlace", i_deinterlace );
2075 free( psz_deinterlace );
2078 static void DeinterlaceNeeded( vout_thread_t *p_vout, bool is_interlaced )
2080 msg_Dbg( p_vout, "Detected %s video",
2081 is_interlaced ? "interlaced" : "progressive" );
2082 var_SetBool( p_vout, "deinterlace-needed", is_interlaced );