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services_discovery: implement SD categories and use in Qt interface
[vlc.git] / src / video_output / video_output.c
bloba9e13264176f52620eb1d226b7b7d2f9a6d7d09c
1 /*****************************************************************************
2 * video_output.c : video output thread
3 *
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
9 * $Id$
10 *
11 * Authors: Vincent Seguin <seguin@via.ecp.fr>
12 * Gildas Bazin <gbazin@videolan.org>
13 *
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.
18 *
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.
23 *
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 *****************************************************************************/
28
29 /*****************************************************************************
30 * Preamble
31 *****************************************************************************/
32 #ifdef HAVE_CONFIG_H
33 # include "config.h"
34 #endif
35
36 #include <vlc_common.h>
37
38 #include <stdlib.h> /* free() */
39 #include <string.h>
40
41 #include <vlc_vout.h>
42
43 #include <vlc_filter.h>
44 #include <vlc_osd.h>
45 #include <assert.h>
46
47 #if defined( __APPLE__ )
48 /* Include darwin_specific.h here if needed */
49 #endif
50
51 /** FIXME This is quite ugly but needed while we don't have counters
52 * helpers */
53 //#include "input/input_internal.h"
54
55 #include <libvlc.h>
56 #include <vlc_input.h>
57 #include "vout_pictures.h"
58 #include "vout_internal.h"
59
60 /*****************************************************************************
61 * Local prototypes
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 * );
68
69 static void VideoFormatImportRgb( video_format_t *, const picture_heap_t * );
70 static void PictureHeapFixRgb( picture_heap_t * );
71
72 static void vout_Destructor ( vlc_object_t * p_this );
73
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 * );
79
80 /* */
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 * );
86 /* */
87 static void DeinterlaceEnable( vout_thread_t * );
88 static void DeinterlaceNeeded( vout_thread_t *, bool );
89
90 /* From vout_intf.c */
91 int vout_Snapshot( vout_thread_t *, picture_t * );
92
93 /* Display media title in OSD */
94 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
95
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))
99
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))
106
107 /* Better be in advance when awakening than late... */
108 #define VOUT_MWAIT_TOLERANCE ((mtime_t)(0.020*CLOCK_FREQ))
109
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)
114 #else
115 # define VOUT_MIN_DIRECT_PICTURES (3*VOUT_MAX_PICTURES/4)
116 #endif
117
118 /*****************************************************************************
119 * Video Filter2 functions
120 *****************************************************************************/
121 static picture_t *video_new_buffer_filter( filter_t *p_filter )
122 {
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 );
125
126 p_picture->i_status = READY_PICTURE;
127
128 return p_picture;
129 }
130
131 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
132 {
133 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
134
135 vlc_mutex_lock( &p_vout->picture_lock );
136 vout_UsePictureLocked( p_vout, p_pic );
137 vlc_mutex_unlock( &p_vout->picture_lock );
138 }
139
140 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
141 {
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 */
145 return VLC_SUCCESS;
146 }
147
148 #undef vout_Request
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 )
157 {
158 if( !p_fmt )
159 {
160 /* Video output is no longer used.
161 * TODO: support for reusing video outputs with proper _thread-safe_
162 * reference handling. */
163 if( p_vout )
164 vout_CloseAndRelease( p_vout );
165 return NULL;
166 }
167
168 /* If a video output was provided, lock it, otherwise look for one. */
169 if( p_vout )
170 {
171 vlc_object_hold( p_vout );
172 }
173
174 /* TODO: find a suitable unused video output */
175
176 /* If we now have a video output, check it has the right properties */
177 if( p_vout )
178 {
179 vlc_mutex_lock( &p_vout->change_lock );
180
181 /* We don't directly check for the "vout-filter" variable for obvious
182 * performance reasons. */
183 if( p_vout->p->b_filter_change )
184 {
185 char *psz_filter_chain = var_GetString( p_vout, "vout-filter" );
186
187 if( psz_filter_chain && !*psz_filter_chain )
188 {
189 free( psz_filter_chain );
190 psz_filter_chain = NULL;
191 }
192 if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
193 {
194 free( p_vout->p->psz_filter_chain );
195 p_vout->p->psz_filter_chain = NULL;
196 }
197
198 if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
199 {
200 p_vout->p->b_filter_change = false;
201 }
202
203 free( psz_filter_chain );
204 }
205
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 )
210 {
211 vlc_mutex_unlock( &p_vout->change_lock );
212
213 /* We are not interested in this format, close this vout */
214 vout_CloseAndRelease( p_vout );
215 vlc_object_release( p_vout );
216 p_vout = NULL;
217 }
218 else
219 {
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 );
227 #if 0
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 )
230 {
231 i_sar_num *= p_vout->i_par_den;
232 i_sar_den *= p_vout->i_par_num;
233 }
234 #endif
235
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 ) )
239 {
240 p_vout->fmt_in.i_sar_num = i_sar_num;
241 p_vout->fmt_in.i_sar_den = i_sar_den;
242
243 p_vout->fmt_render.i_sar_num = i_sar_num;
244 p_vout->fmt_render.i_sar_den = i_sar_den;
245
246 p_vout->render.i_aspect = (int64_t)i_sar_num *
247 p_vout->fmt_render.i_width *
248 VOUT_ASPECT_FACTOR /
249 i_sar_den /
250 p_vout->fmt_render.i_height;
251 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
252 }
253 vlc_mutex_unlock( &p_vout->change_lock );
254
255 vlc_object_release( p_vout );
256 }
257
258 if( p_vout )
259 {
260 msg_Dbg( p_this, "reusing provided vout" );
261
262 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
263 vlc_object_detach( p_vout );
264
265 vlc_object_attach( p_vout, p_this );
266 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), true );
267 }
268 }
269
270 if( !p_vout )
271 {
272 msg_Dbg( p_this, "no usable vout present, spawning one" );
273
274 p_vout = vout_Create( p_this, p_fmt );
275 }
276
277 return p_vout;
278 }
279
280 #undef vout_Create
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 )
288 {
289 vout_thread_t * p_vout; /* thread descriptor */
290 int i_index; /* loop variable */
291 vlc_value_t text;
292
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 );
296
297 config_chain_t *p_cfg;
298 char *psz_parser;
299 char *psz_name;
300
301 if( i_width <= 0 || i_height <= 0 )
302 return NULL;
303
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 )
307 return NULL;
308 unsigned int i_aspect = (int64_t)p_fmt->i_sar_num *
309 i_width *
310 VOUT_ASPECT_FACTOR /
311 p_fmt->i_sar_den /
312 i_height;
313
314 /* Allocate descriptor */
315 static const char typename[] = "video output";
316 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
317 typename );
318 if( p_vout == NULL )
319 return NULL;
320
321 /* */
322 p_vout->p = calloc( 1, sizeof(*p_vout->p) );
323 if( !p_vout->p )
324 {
325 vlc_object_release( p_vout );
326 return NULL;
327 }
328
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++)
332 {
333 p_vout->p_picture[i_index].pf_lock = NULL;
334 p_vout->p_picture[i_index].pf_unlock = NULL;
335 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
336 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
337 p_vout->p_picture[i_index].b_slow = 0;
338 }
339
340 /* No images in the heap */
341 p_vout->i_heap_size = 0;
342
343 /* Initialize the rendering heap */
344 I_RENDERPICTURES = 0;
345
346 p_vout->fmt_render = *p_fmt; /* FIXME palette */
347 p_vout->fmt_in = *p_fmt; /* FIXME palette */
348
349 p_vout->render.i_width = i_width;
350 p_vout->render.i_height = i_height;
351 p_vout->render.i_chroma = i_chroma;
352 p_vout->render.i_aspect = i_aspect;
353
354 p_vout->render.i_rmask = p_fmt->i_rmask;
355 p_vout->render.i_gmask = p_fmt->i_gmask;
356 p_vout->render.i_bmask = p_fmt->i_bmask;
357
358 p_vout->render.i_last_used_pic = -1;
359 p_vout->render.b_allow_modify_pics = 1;
360
361 /* Zero the output heap */
362 I_OUTPUTPICTURES = 0;
363 p_vout->output.i_width = 0;
364 p_vout->output.i_height = 0;
365 p_vout->output.i_chroma = 0;
366 p_vout->output.i_aspect = 0;
367
368 p_vout->output.i_rmask = 0;
369 p_vout->output.i_gmask = 0;
370 p_vout->output.i_bmask = 0;
371
372 /* Initialize misc stuff */
373 p_vout->i_changes = 0;
374 p_vout->b_autoscale = 1;
375 p_vout->i_zoom = ZOOM_FP_FACTOR;
376 p_vout->b_fullscreen = 0;
377 p_vout->i_alignment = 0;
378 p_vout->p->render_time = 10;
379 p_vout->p->c_fps_samples = 0;
380 vout_statistic_Init( &p_vout->p->statistic );
381 p_vout->p->b_filter_change = 0;
382 p_vout->p->b_paused = false;
383 p_vout->p->i_pause_date = 0;
384 p_vout->pf_control = NULL;
385 p_vout->p->i_par_num =
386 p_vout->p->i_par_den = 1;
387 p_vout->p->p_picture_displayed = NULL;
388 p_vout->p->i_picture_displayed_date = 0;
389 p_vout->p->b_picture_displayed = false;
390 p_vout->p->b_picture_empty = false;
391 p_vout->p->i_picture_qtype = QTYPE_NONE;
392 p_vout->p->b_picture_interlaced = false;
393
394 vlc_mouse_Init( &p_vout->p->mouse );
395
396 vout_snapshot_Init( &p_vout->p->snapshot );
397
398 /* Initialize locks */
399 vlc_mutex_init( &p_vout->picture_lock );
400 vlc_cond_init( &p_vout->p->picture_wait );
401 vlc_mutex_init( &p_vout->change_lock );
402 vlc_mutex_init( &p_vout->p->vfilter_lock );
403
404 /* Mouse coordinates */
405 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
406 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
407 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
408 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
409 var_Create( p_vout, "mouse-clicked", VLC_VAR_BOOL );
410
411 /* Initialize subpicture unit */
412 p_vout->p_spu = spu_Create( p_vout );
413
414 /* Attach the new object now so we can use var inheritance below */
415 vlc_object_attach( p_vout, p_parent );
416
417 /* */
418 spu_Init( p_vout->p_spu );
419
420 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), true );
421
422 /* Take care of some "interface/control" related initialisations */
423 vout_IntfInit( p_vout );
424
425 /* If the parent is not a VOUT object, that means we are at the start of
426 * the video output pipe */
427 if( vlc_internals( p_parent )->i_object_type != VLC_OBJECT_VOUT )
428 {
429 /* Look for the default filter configuration */
430 p_vout->p->psz_filter_chain =
431 var_CreateGetStringCommand( p_vout, "vout-filter" );
432
433 /* Apply video filter2 objects on the first vout */
434 p_vout->p->psz_vf2 =
435 var_CreateGetStringCommand( p_vout, "video-filter" );
436
437 p_vout->p->b_first_vout = true;
438 }
439 else
440 {
441 /* continue the parent's filter chain */
442 char *psz_tmp;
443
444 /* Ugly hack to jump to our configuration chain */
445 p_vout->p->psz_filter_chain
446 = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
447 p_vout->p->psz_filter_chain
448 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
449 config_ChainDestroy( p_cfg );
450 free( psz_tmp );
451
452 /* Create a video filter2 var ... but don't inherit values */
453 var_Create( p_vout, "video-filter",
454 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
455 p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
456
457 /* */
458 p_vout->p->b_first_vout = false;
459 }
460
461 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
462 p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
463 false, video_filter_buffer_allocation_init, NULL, p_vout );
464
465 /* Choose the video output module */
466 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
467 {
468 psz_parser = NULL;
469 }
470 else
471 {
472 psz_parser = strdup( p_vout->p->psz_filter_chain );
473 p_vout->p->b_title_show = false;
474 }
475
476 /* Create the vout thread */
477 char* psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
478 free( psz_parser );
479 free( psz_tmp );
480 p_vout->p_cfg = p_cfg;
481
482 /* Create a few object variables for interface interaction */
483 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
484 text.psz_string = _("Filters");
485 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
486 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
487
488 /* */
489 DeinterlaceEnable( p_vout );
490
491 if( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain )
492 p_vout->p->psz_module_type = "video filter";
493 else
494 p_vout->p->psz_module_type = "video output";
495 p_vout->p->psz_module_name = psz_name;
496 p_vout->p_module = NULL;
497
498 /* */
499 vlc_object_set_destructor( p_vout, vout_Destructor );
500
501 /* */
502 vlc_cond_init( &p_vout->p->change_wait );
503 if( vlc_clone( &p_vout->p->thread, RunThread, p_vout,
504 VLC_THREAD_PRIORITY_OUTPUT ) )
505 {
506 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
507 spu_Destroy( p_vout->p_spu );
508 p_vout->p_spu = NULL;
509 vlc_object_release( p_vout );
510 return NULL;
511 }
512
513 vlc_mutex_lock( &p_vout->change_lock );
514 while( !p_vout->p->b_ready )
515 { /* We are (ab)using the same condition in opposite directions for
516 * b_ready and b_done. This works because of the strict ordering. */
517 assert( !p_vout->p->b_done );
518 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
519 }
520 vlc_mutex_unlock( &p_vout->change_lock );
521
522 if( p_vout->b_error )
523 {
524 msg_Err( p_vout, "video output creation failed" );
525 vout_CloseAndRelease( p_vout );
526 return NULL;
527 }
528
529 return p_vout;
530 }
531
532 /*****************************************************************************
533 * vout_Close: Close a vout created by vout_Create.
534 *****************************************************************************
535 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
536 * You should NEVER call it on vout not obtained through vout_Create
537 * (like with vout_Request or vlc_object_find.)
538 * You can use vout_CloseAndRelease() as a convenience method.
539 *****************************************************************************/
540 void vout_Close( vout_thread_t *p_vout )
541 {
542 assert( p_vout );
543
544 vlc_mutex_lock( &p_vout->change_lock );
545 p_vout->p->b_done = true;
546 vlc_cond_signal( &p_vout->p->change_wait );
547 vlc_mutex_unlock( &p_vout->change_lock );
548
549 vout_snapshot_End( &p_vout->p->snapshot );
550
551 vlc_join( p_vout->p->thread, NULL );
552 }
553
554 /* */
555 static void vout_Destructor( vlc_object_t * p_this )
556 {
557 vout_thread_t *p_vout = (vout_thread_t *)p_this;
558
559 /* Make sure the vout was stopped first */
560 assert( !p_vout->p_module );
561
562 free( p_vout->p->psz_module_name );
563
564 /* */
565 if( p_vout->p_spu )
566 spu_Destroy( p_vout->p_spu );
567
568 /* Destroy the locks */
569 vlc_cond_destroy( &p_vout->p->change_wait );
570 vlc_cond_destroy( &p_vout->p->picture_wait );
571 vlc_mutex_destroy( &p_vout->picture_lock );
572 vlc_mutex_destroy( &p_vout->change_lock );
573 vlc_mutex_destroy( &p_vout->p->vfilter_lock );
574
575 /* */
576 vout_statistic_Clean( &p_vout->p->statistic );
577
578 /* */
579 vout_snapshot_Clean( &p_vout->p->snapshot );
580
581 /* */
582 free( p_vout->p->psz_filter_chain );
583 free( p_vout->p->psz_title );
584
585 config_ChainDestroy( p_vout->p_cfg );
586
587 free( p_vout->p );
588
589 }
590
591 /* */
592 void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
593 {
594 vlc_mutex_lock( &p_vout->change_lock );
595
596 assert( !p_vout->p->b_paused || !b_paused );
597
598 vlc_mutex_lock( &p_vout->picture_lock );
599
600 p_vout->p->i_picture_displayed_date = 0;
601
602 if( p_vout->p->b_paused )
603 {
604 const mtime_t i_duration = i_date - p_vout->p->i_pause_date;
605
606 for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
607 {
608 picture_t *p_pic = PP_RENDERPICTURE[i_index];
609
610 if( p_pic->i_status == READY_PICTURE )
611 p_pic->date += i_duration;
612 }
613 vlc_cond_signal( &p_vout->p->picture_wait );
614 vlc_mutex_unlock( &p_vout->picture_lock );
615
616 spu_OffsetSubtitleDate( p_vout->p_spu, i_duration );
617 }
618 else
619 {
620 vlc_mutex_unlock( &p_vout->picture_lock );
621 }
622 p_vout->p->b_paused = b_paused;
623 p_vout->p->i_pause_date = i_date;
624
625 vlc_mutex_unlock( &p_vout->change_lock );
626 }
627
628 void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
629 {
630 vout_statistic_GetReset( &p_vout->p->statistic,
631 pi_displayed, pi_lost );
632 }
633
634 void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
635 {
636 vlc_mutex_lock( &p_vout->picture_lock );
637 p_vout->p->i_picture_displayed_date = 0;
638 for( int i = 0; i < p_vout->render.i_pictures; i++ )
639 {
640 picture_t *p_pic = p_vout->render.pp_picture[i];
641
642 if( p_pic->i_status == READY_PICTURE ||
643 p_pic->i_status == DISPLAYED_PICTURE )
644 {
645 /* We cannot change picture status if it is in READY_PICTURE state,
646 * Just make sure they won't be displayed */
647 if( p_pic->date > i_date )
648 p_pic->date = i_date;
649 }
650 }
651 vlc_cond_signal( &p_vout->p->picture_wait );
652 vlc_mutex_unlock( &p_vout->picture_lock );
653 }
654
655 void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
656 {
657 int i_pic, i_ready_pic;
658
659 vlc_mutex_lock( &p_vout->picture_lock );
660
661 for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->render.i_pictures && !b_forced; i_pic++ )
662 {
663 const picture_t *p_pic = p_vout->render.pp_picture[i_pic];
664
665 if( p_pic->i_status == READY_PICTURE )
666 {
667 i_ready_pic++;
668 /* If we have at least 2 ready pictures, wait for the vout thread to
669 * process one */
670 if( i_ready_pic >= 2 )
671 break;
672
673 continue;
674 }
675
676 if( p_pic->i_status == DISPLAYED_PICTURE )
677 {
678 /* If at least one displayed picture is not referenced
679 * let vout free it */
680 if( p_pic->i_refcount == 0 )
681 break;
682 }
683 }
684 if( i_pic < p_vout->render.i_pictures && !b_forced )
685 {
686 vlc_mutex_unlock( &p_vout->picture_lock );
687 return;
688 }
689
690 /* Too many pictures are still referenced, there is probably a bug
691 * with the decoder */
692 if( !b_forced )
693 msg_Err( p_vout, "pictures leaked, resetting the heap" );
694
695 /* Just free all the pictures */
696 for( i_pic = 0; i_pic < p_vout->render.i_pictures; i_pic++ )
697 {
698 picture_t *p_pic = p_vout->render.pp_picture[i_pic];
699
700 msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
701 p_pic->i_refcount = 0;
702
703 switch( p_pic->i_status )
704 {
705 case READY_PICTURE:
706 case DISPLAYED_PICTURE:
707 case RESERVED_PICTURE:
708 if( p_pic != p_vout->p->p_picture_displayed )
709 vout_UsePictureLocked( p_vout, p_pic );
710 break;
711 }
712 }
713 vlc_cond_signal( &p_vout->p->picture_wait );
714 vlc_mutex_unlock( &p_vout->picture_lock );
715 }
716 void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
717 {
718 vlc_mutex_lock( &p_vout->picture_lock );
719
720 const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;
721
722 p_vout->p->b_picture_displayed = false;
723 p_vout->p->b_picture_empty = false;
724 if( p_vout->p->p_picture_displayed )
725 {
726 p_vout->p->p_picture_displayed->date = 1;
727 vlc_cond_signal( &p_vout->p->picture_wait );
728 }
729
730 while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
731 vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->picture_lock );
732
733 *pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );
734
735 /* TODO advance subpicture by the duration ... */
736
737 vlc_mutex_unlock( &p_vout->picture_lock );
738 }
739
740 void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
741 {
742 assert( psz_title );
743
744 if( !var_InheritBool( p_vout, "osd" ) )
745 return;
746
747 vlc_mutex_lock( &p_vout->change_lock );
748 free( p_vout->p->psz_title );
749 p_vout->p->psz_title = strdup( psz_title );
750 vlc_mutex_unlock( &p_vout->change_lock );
751 }
752
753 spu_t *vout_GetSpu( vout_thread_t *p_vout )
754 {
755 return p_vout->p_spu;
756 }
757
758 /*****************************************************************************
759 * InitThread: initialize video output thread
760 *****************************************************************************
761 * This function is called from RunThread and performs the second step of the
762 * initialization. It returns 0 on success. Note that the thread's flag are not
763 * modified inside this function.
764 * XXX You have to enter it with change_lock taken.
765 *****************************************************************************/
766 static int ChromaCreate( vout_thread_t *p_vout );
767 static void ChromaDestroy( vout_thread_t *p_vout );
768
769 static bool ChromaIsEqual( const picture_heap_t *p_output, const picture_heap_t *p_render )
770 {
771 if( !vout_ChromaCmp( p_output->i_chroma, p_render->i_chroma ) )
772 return false;
773
774 if( p_output->i_chroma != VLC_CODEC_RGB15 &&
775 p_output->i_chroma != VLC_CODEC_RGB16 &&
776 p_output->i_chroma != VLC_CODEC_RGB24 &&
777 p_output->i_chroma != VLC_CODEC_RGB32 )
778 return true;
779
780 return p_output->i_rmask == p_render->i_rmask &&
781 p_output->i_gmask == p_render->i_gmask &&
782 p_output->i_bmask == p_render->i_bmask;
783 }
784
785 static int InitThread( vout_thread_t *p_vout )
786 {
787 int i;
788
789 /* Initialize output method, it allocates direct buffers for us */
790 if( p_vout->pf_init( p_vout ) )
791 return VLC_EGENERIC;
792
793 p_vout->p->p_picture_displayed = NULL;
794
795 if( !I_OUTPUTPICTURES )
796 {
797 msg_Err( p_vout, "plugin was unable to allocate at least "
798 "one direct buffer" );
799 p_vout->pf_end( p_vout );
800 return VLC_EGENERIC;
801 }
802
803 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
804 {
805 msg_Err( p_vout, "plugin allocated too many direct buffers, "
806 "our internal buffers must have overflown." );
807 p_vout->pf_end( p_vout );
808 return VLC_EGENERIC;
809 }
810
811 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
812
813 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
814 {
815 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
816 p_vout->output.i_width;
817 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
818 p_vout->output.i_height;
819 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
820
821 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
822 }
823 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
824 {
825 p_vout->fmt_out.i_sar_num = p_vout->output.i_aspect *
826 p_vout->fmt_out.i_height;
827 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
828 p_vout->fmt_out.i_width;
829 }
830
831 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
832 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
833
834 /* FIXME removed the need of both fmt_* and heap infos */
835 /* Calculate shifts from system-updated masks */
836 PictureHeapFixRgb( &p_vout->render );
837 VideoFormatImportRgb( &p_vout->fmt_render, &p_vout->render );
838
839 PictureHeapFixRgb( &p_vout->output );
840 VideoFormatImportRgb( &p_vout->fmt_out, &p_vout->output );
841
842 /* print some usefull debug info about different vout formats
843 */
844 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",
845 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
846 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
847 p_vout->fmt_render.i_visible_width,
848 p_vout->fmt_render.i_visible_height,
849 (char*)&p_vout->fmt_render.i_chroma,
850 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den,
851 p_vout->fmt_render.i_rmask, p_vout->fmt_render.i_gmask, p_vout->fmt_render.i_bmask );
852
853 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",
854 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
855 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
856 p_vout->fmt_in.i_visible_width,
857 p_vout->fmt_in.i_visible_height,
858 (char*)&p_vout->fmt_in.i_chroma,
859 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den,
860 p_vout->fmt_in.i_rmask, p_vout->fmt_in.i_gmask, p_vout->fmt_in.i_bmask );
861
862 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",
863 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
864 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
865 p_vout->fmt_out.i_visible_width,
866 p_vout->fmt_out.i_visible_height,
867 (char*)&p_vout->fmt_out.i_chroma,
868 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den,
869 p_vout->fmt_out.i_rmask, p_vout->fmt_out.i_gmask, p_vout->fmt_out.i_bmask );
870
871 /* Check whether we managed to create direct buffers similar to
872 * the render buffers, ie same size and chroma */
873 if( ( p_vout->output.i_width == p_vout->render.i_width )
874 && ( p_vout->output.i_height == p_vout->render.i_height )
875 && ( ChromaIsEqual( &p_vout->output, &p_vout->render ) ) )
876 {
877 /* Cool ! We have direct buffers, we can ask the decoder to
878 * directly decode into them ! Map the first render buffers to
879 * the first direct buffers, but keep the first direct buffer
880 * for memcpy operations */
881 p_vout->p->b_direct = true;
882
883 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
884 {
885 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
886 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
887 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
888 {
889 /* We have enough direct buffers so there's no need to
890 * try to use system memory buffers. */
891 break;
892 }
893 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
894 I_RENDERPICTURES++;
895 }
896
897 msg_Dbg( p_vout, "direct render, mapping "
898 "render pictures 0-%i to system pictures 1-%i",
899 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
900 }
901 else
902 {
903 /* Rats... Something is wrong here, we could not find an output
904 * plugin able to directly render what we decode. See if we can
905 * find a chroma plugin to do the conversion */
906 p_vout->p->b_direct = false;
907
908 if( ChromaCreate( p_vout ) )
909 {
910 p_vout->pf_end( p_vout );
911 return VLC_EGENERIC;
912 }
913
914 msg_Dbg( p_vout, "indirect render, mapping "
915 "render pictures 0-%i to system pictures %i-%i",
916 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
917 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
918
919 /* Append render buffers after the direct buffers */
920 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
921 {
922 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
923 I_RENDERPICTURES++;
924
925 /* Check if we have enough render pictures */
926 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
927 break;
928 }
929 }
930
931 return VLC_SUCCESS;
932 }
933
934 /*****************************************************************************
935 * RunThread: video output thread
936 *****************************************************************************
937 * Video output thread. This function does only returns when the thread is
938 * terminated. It handles the pictures arriving in the video heap and the
939 * display device events.
940 *****************************************************************************/
941 static void* RunThread( void *p_this )
942 {
943 vout_thread_t *p_vout = p_this;
944 int i_idle_loops = 0; /* loops without displaying a picture */
945 int i_picture_qtype_last = QTYPE_NONE;
946 bool b_picture_interlaced_last = false;
947 mtime_t i_picture_interlaced_last_date;
948
949 /*
950 * Initialize thread
951 */
952 p_vout->p_module = module_need( p_vout,
953 p_vout->p->psz_module_type,
954 p_vout->p->psz_module_name,
955 !strcmp(p_vout->p->psz_module_type, "video filter") );
956
957 vlc_mutex_lock( &p_vout->change_lock );
958
959 if( p_vout->p_module )
960 p_vout->b_error = InitThread( p_vout );
961 else
962 p_vout->b_error = true;
963
964 /* signal the creation of the vout */
965 p_vout->p->b_ready = true;
966 vlc_cond_signal( &p_vout->p->change_wait );
967
968 if( p_vout->b_error )
969 goto exit_thread;
970
971 /* */
972 const bool b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
973 i_picture_interlaced_last_date = mdate();
974
975 /*
976 * Main loop - it is not executed if an error occurred during
977 * initialization
978 */
979 while( !p_vout->p->b_done && !p_vout->b_error )
980 {
981 /* Initialize loop variables */
982 const mtime_t current_date = mdate();
983 picture_t *p_picture;
984 picture_t *p_filtered_picture;
985 mtime_t display_date;
986 picture_t *p_directbuffer;
987 int i_index;
988
989 if( p_vout->p->b_title_show && p_vout->p->psz_title )
990 DisplayTitleOnOSD( p_vout );
991
992 vlc_mutex_lock( &p_vout->picture_lock );
993
994 /* Look for the earliest picture but after the last displayed one */
995 picture_t *p_last = p_vout->p->p_picture_displayed;;
996
997 p_picture = NULL;
998 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
999 {
1000 picture_t *p_pic = PP_RENDERPICTURE[i_index];
1001
1002 if( p_pic->i_status != READY_PICTURE )
1003 continue;
1004
1005 if( p_vout->p->b_paused && p_last && p_last->date > 1 )
1006 continue;
1007
1008 if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
1009 {
1010 /* Drop old picture */
1011 vout_UsePictureLocked( p_vout, p_pic );
1012 }
1013 else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
1014 p_pic->date < current_date + p_vout->p->render_time &&
1015 b_drop_late )
1016 {
1017 /* Picture is late: it will be destroyed and the thread
1018 * will directly choose the next picture */
1019 vout_UsePictureLocked( p_vout, p_pic );
1020 vout_statistic_Update( &p_vout->p->statistic, 0, 1 );
1021
1022 msg_Warn( p_vout, "late picture skipped (%"PRId64" > %d)",
1023 current_date - p_pic->date, - p_vout->p->render_time );
1024 }
1025 else if( ( !p_last || p_last->date < p_pic->date ) &&
1026 ( p_picture == NULL || p_pic->date < p_picture->date ) )
1027 {
1028 p_picture = p_pic;
1029 }
1030 }
1031 if( !p_picture )
1032 {
1033 p_picture = p_last;
1034
1035 if( !p_vout->p->b_picture_empty )
1036 {
1037 p_vout->p->b_picture_empty = true;
1038 vlc_cond_signal( &p_vout->p->picture_wait );
1039 }
1040 }
1041
1042 display_date = 0;
1043 if( p_picture )
1044 {
1045 display_date = p_picture->date;
1046
1047 /* If we found better than the last picture, destroy it */
1048 if( p_last && p_picture != p_last )
1049 {
1050 vout_UsePictureLocked( p_vout, p_last );
1051 p_vout->p->p_picture_displayed = p_last = NULL;
1052 }
1053
1054 /* Compute FPS rate */
1055 p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
1056
1057 if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1058 {
1059 /* A picture is ready to be rendered, but its rendering date
1060 * is far from the current one so the thread will perform an
1061 * empty loop as if no picture were found. The picture state
1062 * is unchanged */
1063 p_picture = NULL;
1064 display_date = 0;
1065 }
1066 else if( p_picture == p_last )
1067 {
1068 /* We are asked to repeat the previous picture, but we first
1069 * wait for a couple of idle loops */
1070 if( i_idle_loops < 4 )
1071 {
1072 p_picture = NULL;
1073 display_date = 0;
1074 }
1075 else
1076 {
1077 /* We set the display date to something high, otherwise
1078 * we'll have lots of problems with late pictures */
1079 display_date = current_date + p_vout->p->render_time;
1080 }
1081 }
1082 else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
1083 {
1084 display_date = current_date + VOUT_DISPLAY_DELAY;
1085 }
1086
1087 if( p_picture )
1088 {
1089 if( p_picture->date > 1 )
1090 {
1091 p_vout->p->i_picture_displayed_date = p_picture->date;
1092 if( p_picture != p_last && !p_vout->p->b_picture_displayed )
1093 {
1094 p_vout->p->b_picture_displayed = true;
1095 vlc_cond_signal( &p_vout->p->picture_wait );
1096 }
1097 }
1098 p_vout->p->p_picture_displayed = p_picture;
1099 }
1100 }
1101
1102 /* */
1103 const int i_postproc_type = p_vout->p->i_picture_qtype;
1104 const int i_postproc_state = (p_vout->p->i_picture_qtype != QTYPE_NONE) - (i_picture_qtype_last != QTYPE_NONE);
1105
1106 const bool b_picture_interlaced = p_vout->p->b_picture_interlaced;
1107 const int i_picture_interlaced_state = (!!p_vout->p->b_picture_interlaced) - (!!b_picture_interlaced_last);
1108
1109 vlc_mutex_unlock( &p_vout->picture_lock );
1110
1111 if( p_picture == NULL )
1112 i_idle_loops++;
1113
1114 p_filtered_picture = NULL;
1115 if( p_picture )
1116 p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
1117 p_picture );
1118
1119 const bool b_snapshot = vout_snapshot_IsRequested( &p_vout->p->snapshot );
1120
1121 /*
1122 * Check for subpictures to display
1123 */
1124 mtime_t spu_render_time;
1125 if( p_vout->p->b_paused )
1126 spu_render_time = p_vout->p->i_pause_date;
1127 else if( p_picture )
1128 spu_render_time = p_picture->date > 1 ? p_picture->date : mdate();
1129 else
1130 spu_render_time = 0;
1131
1132 subpicture_t *p_subpic = spu_SortSubpictures( p_vout->p_spu,
1133 spu_render_time,
1134 b_snapshot );
1135 /*
1136 * Perform rendering
1137 */
1138 vout_statistic_Update( &p_vout->p->statistic, 1, 0 );
1139 p_directbuffer = vout_RenderPicture( p_vout,
1140 p_filtered_picture, p_subpic,
1141 spu_render_time );
1142
1143 /*
1144 * Take a snapshot if requested
1145 */
1146 if( p_directbuffer && b_snapshot )
1147 vout_snapshot_Set( &p_vout->p->snapshot,
1148 &p_vout->fmt_out, p_directbuffer );
1149
1150 /*
1151 * Call the plugin-specific rendering method if there is one
1152 */
1153 if( p_filtered_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1154 {
1155 /* Render the direct buffer returned by vout_RenderPicture */
1156 p_vout->pf_render( p_vout, p_directbuffer );
1157 }
1158
1159 /*
1160 * Sleep, wake up
1161 */
1162 if( display_date != 0 && p_directbuffer != NULL )
1163 {
1164 mtime_t current_render_time = mdate() - current_date;
1165 /* if render time is very large we don't include it in the mean */
1166 if( current_render_time < p_vout->p->render_time +
1167 VOUT_DISPLAY_DELAY )
1168 {
1169 /* Store render time using a sliding mean weighting to
1170 * current value in a 3 to 1 ratio*/
1171 p_vout->p->render_time *= 3;
1172 p_vout->p->render_time += current_render_time;
1173 p_vout->p->render_time >>= 2;
1174 }
1175 else
1176 msg_Dbg( p_vout, "skipped big render time %d > %d", (int) current_render_time,
1177 (int) (p_vout->p->render_time +VOUT_DISPLAY_DELAY ) ) ;
1178 }
1179
1180 /* Give back change lock */
1181 vlc_mutex_unlock( &p_vout->change_lock );
1182
1183 /* Sleep a while or until a given date */
1184 if( display_date != 0 )
1185 {
1186 /* If there are *vout* filters in the chain, better give them the picture
1187 * in advance */
1188 if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
1189 {
1190 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1191 }
1192 }
1193 else
1194 {
1195 /* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
1196 vlc_mutex_lock( &p_vout->picture_lock );
1197 vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->picture_lock, current_date + VOUT_IDLE_SLEEP );
1198 vlc_mutex_unlock( &p_vout->picture_lock );
1199 }
1200
1201 /* On awakening, take back lock and send immediately picture
1202 * to display. */
1203 /* Note: p_vout->p->b_done could be true here and now */
1204 vlc_mutex_lock( &p_vout->change_lock );
1205
1206 /*
1207 * Display the previously rendered picture
1208 */
1209 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1210 {
1211 /* Display the direct buffer returned by vout_RenderPicture */
1212 if( p_vout->pf_display )
1213 p_vout->pf_display( p_vout, p_directbuffer );
1214
1215 /* Tell the vout this was the last picture and that it does not
1216 * need to be forced anymore. */
1217 p_picture->b_force = false;
1218 }
1219
1220 /* Drop the filtered picture if created by video filters */
1221 if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1222 {
1223 vlc_mutex_lock( &p_vout->picture_lock );
1224 vout_UsePictureLocked( p_vout, p_filtered_picture );
1225 vlc_mutex_unlock( &p_vout->picture_lock );
1226 }
1227
1228 if( p_picture != NULL )
1229 {
1230 /* Reinitialize idle loop count */
1231 i_idle_loops = 0;
1232 }
1233
1234 /*
1235 * Check events and manage thread
1236 */
1237 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1238 {
1239 /* A fatal error occurred, and the thread must terminate
1240 * immediately, without displaying anything - setting b_error to 1
1241 * causes the immediate end of the main while() loop. */
1242 // FIXME pf_end
1243 p_vout->b_error = 1;
1244 break;
1245 }
1246
1247 while( p_vout->i_changes & VOUT_ON_TOP_CHANGE )
1248 {
1249 p_vout->i_changes &= ~VOUT_ON_TOP_CHANGE;
1250 vlc_mutex_unlock( &p_vout->change_lock );
1251 vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, p_vout->b_on_top );
1252 vlc_mutex_lock( &p_vout->change_lock );
1253 }
1254
1255 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1256 {
1257 /* this must only happen when the vout plugin is incapable of
1258 * rescaling the picture itself. In this case we need to destroy
1259 * the current picture buffers and recreate new ones with the right
1260 * dimensions */
1261 int i;
1262
1263 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1264
1265 assert( !p_vout->p->b_direct );
1266
1267 ChromaDestroy( p_vout );
1268
1269 vlc_mutex_lock( &p_vout->picture_lock );
1270
1271 p_vout->pf_end( p_vout );
1272
1273 p_vout->p->p_picture_displayed = NULL;
1274 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1275 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1276 vlc_cond_signal( &p_vout->p->picture_wait );
1277
1278 I_OUTPUTPICTURES = 0;
1279
1280 if( p_vout->pf_init( p_vout ) )
1281 {
1282 msg_Err( p_vout, "cannot resize display" );
1283 /* FIXME: pf_end will be called again in CleanThread()? */
1284 p_vout->b_error = 1;
1285 }
1286
1287 vlc_mutex_unlock( &p_vout->picture_lock );
1288
1289 /* Need to reinitialise the chroma plugin. Since we might need
1290 * resizing too and it's not sure that we already had it,
1291 * recreate the chroma plugin chain from scratch. */
1292 /* dionoea */
1293 if( ChromaCreate( p_vout ) )
1294 {
1295 msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
1296 p_vout->b_error = 1;
1297 }
1298 if( p_vout->b_error )
1299 break;
1300 }
1301
1302 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1303 {
1304 /* This happens when the picture buffers need to be recreated.
1305 * This is useful on multimonitor displays for instance.
1306 *
1307 * Warning: This only works when the vout creates only 1 picture
1308 * buffer!! */
1309 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1310
1311 if( !p_vout->p->b_direct )
1312 ChromaDestroy( p_vout );
1313
1314 vlc_mutex_lock( &p_vout->picture_lock );
1315
1316 p_vout->pf_end( p_vout );
1317
1318 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1319
1320 p_vout->b_error = InitThread( p_vout );
1321 if( p_vout->b_error )
1322 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed" );
1323
1324 vlc_cond_signal( &p_vout->p->picture_wait );
1325 vlc_mutex_unlock( &p_vout->picture_lock );
1326
1327 if( p_vout->b_error )
1328 break;
1329 }
1330
1331 /* Post processing */
1332 if( i_postproc_state == 1 )
1333 PostProcessEnable( p_vout );
1334 else if( i_postproc_state == -1 )
1335 PostProcessDisable( p_vout );
1336 if( i_postproc_state != 0 )
1337 i_picture_qtype_last = i_postproc_type;
1338
1339 /* Deinterlacing
1340 * Wait 30s before quiting interlacing mode */
1341 if( ( i_picture_interlaced_state == 1 ) ||
1342 ( i_picture_interlaced_state == -1 && i_picture_interlaced_last_date + 30000000 < current_date ) )
1343 {
1344 DeinterlaceNeeded( p_vout, b_picture_interlaced );
1345 b_picture_interlaced_last = b_picture_interlaced;
1346 }
1347 if( b_picture_interlaced )
1348 i_picture_interlaced_last_date = current_date;
1349
1350
1351 /* Check for "video filter2" changes */
1352 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1353 if( p_vout->p->psz_vf2 )
1354 {
1355 es_format_t fmt;
1356
1357 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1358 fmt.video = p_vout->fmt_render;
1359 filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
1360
1361 if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
1362 p_vout->p->psz_vf2 ) < 0 )
1363 msg_Err( p_vout, "Video filter chain creation failed" );
1364
1365 free( p_vout->p->psz_vf2 );
1366 p_vout->p->psz_vf2 = NULL;
1367
1368 if( i_picture_qtype_last != QTYPE_NONE )
1369 PostProcessSetFilterQuality( p_vout );
1370 }
1371 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1372 }
1373
1374 /*
1375 * Error loop - wait until the thread destruction is requested
1376 */
1377 if( p_vout->b_error )
1378 ErrorThread( p_vout );
1379
1380 /* Clean thread */
1381 CleanThread( p_vout );
1382
1383 exit_thread:
1384 /* End of thread */
1385 EndThread( p_vout );
1386 vlc_mutex_unlock( &p_vout->change_lock );
1387
1388 if( p_vout->p_module )
1389 module_unneed( p_vout, p_vout->p_module );
1390 p_vout->p_module = NULL;
1391
1392 return NULL;
1393 }
1394
1395 /*****************************************************************************
1396 * ErrorThread: RunThread() error loop
1397 *****************************************************************************
1398 * This function is called when an error occurred during thread main's loop.
1399 * The thread can still receive feed, but must be ready to terminate as soon
1400 * as possible.
1401 *****************************************************************************/
1402 static void ErrorThread( vout_thread_t *p_vout )
1403 {
1404 /* Wait until a `close' order */
1405 while( !p_vout->p->b_done )
1406 vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
1407 }
1408
1409 /*****************************************************************************
1410 * CleanThread: clean up after InitThread
1411 *****************************************************************************
1412 * This function is called after a sucessful
1413 * initialization. It frees all resources allocated by InitThread.
1414 * XXX You have to enter it with change_lock taken.
1415 *****************************************************************************/
1416 static void CleanThread( vout_thread_t *p_vout )
1417 {
1418 int i_index; /* index in heap */
1419
1420 if( !p_vout->p->b_direct )
1421 ChromaDestroy( p_vout );
1422
1423 /* Destroy all remaining pictures */
1424 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1425 {
1426 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1427 {
1428 free( p_vout->p_picture[i_index].p_data_orig );
1429 }
1430 }
1431
1432 /* Destroy translation tables */
1433 if( !p_vout->b_error )
1434 p_vout->pf_end( p_vout );
1435 }
1436
1437 /*****************************************************************************
1438 * EndThread: thread destruction
1439 *****************************************************************************
1440 * This function is called when the thread ends.
1441 * It frees all resources not allocated by InitThread.
1442 * XXX You have to enter it with change_lock taken.
1443 *****************************************************************************/
1444 static void EndThread( vout_thread_t *p_vout )
1445 {
1446 /* FIXME does that function *really* need to be called inside the thread ? */
1447
1448 /* Detach subpicture unit from both input and vout */
1449 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1450 vlc_object_detach( p_vout->p_spu );
1451
1452 /* Destroy the video filters2 */
1453 filter_chain_Delete( p_vout->p->p_vf2_chain );
1454 }
1455
1456 /* Thread helpers */
1457 static picture_t *ChromaGetPicture( filter_t *p_filter )
1458 {
1459 picture_t *p_pic = (picture_t *)p_filter->p_owner;
1460 p_filter->p_owner = NULL;
1461 return p_pic;
1462 }
1463
1464 static int ChromaCreate( vout_thread_t *p_vout )
1465 {
1466 static const char typename[] = "chroma";
1467 filter_t *p_chroma;
1468
1469 /* Choose the best module */
1470 p_chroma = p_vout->p->p_chroma =
1471 vlc_custom_create( p_vout, sizeof(filter_t), VLC_OBJECT_GENERIC,
1472 typename );
1473
1474 vlc_object_attach( p_chroma, p_vout );
1475
1476 /* TODO: Set the fmt_in and fmt_out stuff here */
1477 p_chroma->fmt_in.video = p_vout->fmt_render;
1478 p_chroma->fmt_out.video = p_vout->fmt_out;
1479 VideoFormatImportRgb( &p_chroma->fmt_in.video, &p_vout->render );
1480 VideoFormatImportRgb( &p_chroma->fmt_out.video, &p_vout->output );
1481
1482 p_chroma->p_module = module_need( p_chroma, "video filter2", NULL, false );
1483
1484 if( p_chroma->p_module == NULL )
1485 {
1486 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s i=%dx%d o=%dx%d",
1487 (char*)&p_vout->render.i_chroma,
1488 (char*)&p_vout->output.i_chroma,
1489 p_chroma->fmt_in.video.i_width, p_chroma->fmt_in.video.i_height,
1490 p_chroma->fmt_out.video.i_width, p_chroma->fmt_out.video.i_height
1491 );
1492
1493 vlc_object_release( p_vout->p->p_chroma );
1494 p_vout->p->p_chroma = NULL;
1495
1496 return VLC_EGENERIC;
1497 }
1498 p_chroma->pf_video_buffer_new = ChromaGetPicture;
1499 return VLC_SUCCESS;
1500 }
1501
1502 static void ChromaDestroy( vout_thread_t *p_vout )
1503 {
1504 assert( !p_vout->p->b_direct );
1505
1506 if( !p_vout->p->p_chroma )
1507 return;
1508
1509 module_unneed( p_vout->p->p_chroma, p_vout->p->p_chroma->p_module );
1510 vlc_object_release( p_vout->p->p_chroma );
1511 p_vout->p->p_chroma = NULL;
1512 }
1513
1514 /* following functions are local */
1515
1516 /**
1517 * This function copies all RGB informations from a picture_heap_t into
1518 * a video_format_t
1519 */
1520 static void VideoFormatImportRgb( video_format_t *p_fmt, const picture_heap_t *p_heap )
1521 {
1522 p_fmt->i_rmask = p_heap->i_rmask;
1523 p_fmt->i_gmask = p_heap->i_gmask;
1524 p_fmt->i_bmask = p_heap->i_bmask;
1525 p_fmt->i_rrshift = p_heap->i_rrshift;
1526 p_fmt->i_lrshift = p_heap->i_lrshift;
1527 p_fmt->i_rgshift = p_heap->i_rgshift;
1528 p_fmt->i_lgshift = p_heap->i_lgshift;
1529 p_fmt->i_rbshift = p_heap->i_rbshift;
1530 p_fmt->i_lbshift = p_heap->i_lbshift;
1531 }
1532
1533 /**
1534 * This funtion copes all RGB informations from a video_format_t into
1535 * a picture_heap_t
1536 */
1537 static void VideoFormatExportRgb( const video_format_t *p_fmt, picture_heap_t *p_heap )
1538 {
1539 p_heap->i_rmask = p_fmt->i_rmask;
1540 p_heap->i_gmask = p_fmt->i_gmask;
1541 p_heap->i_bmask = p_fmt->i_bmask;
1542 p_heap->i_rrshift = p_fmt->i_rrshift;
1543 p_heap->i_lrshift = p_fmt->i_lrshift;
1544 p_heap->i_rgshift = p_fmt->i_rgshift;
1545 p_heap->i_lgshift = p_fmt->i_lgshift;
1546 p_heap->i_rbshift = p_fmt->i_rbshift;
1547 p_heap->i_lbshift = p_fmt->i_lbshift;
1548 }
1549
1550 /**
1551 * This function computes rgb shifts from masks
1552 */
1553 static void PictureHeapFixRgb( picture_heap_t *p_heap )
1554 {
1555 video_format_t fmt;
1556
1557 /* */
1558 fmt.i_chroma = p_heap->i_chroma;
1559 VideoFormatImportRgb( &fmt, p_heap );
1560
1561 /* */
1562 video_format_FixRgb( &fmt );
1563
1564 VideoFormatExportRgb( &fmt, p_heap );
1565 }
1566
1567 /*****************************************************************************
1568 * object variables callbacks: a bunch of object variables are used by the
1569 * interfaces to interact with the vout.
1570 *****************************************************************************/
1571 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1572 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1573 {
1574 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1575 input_thread_t *p_input;
1576 (void)psz_cmd; (void)oldval; (void)p_data;
1577
1578 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1579 FIND_PARENT );
1580 if (!p_input)
1581 {
1582 msg_Err( p_vout, "Input not found" );
1583 return VLC_EGENERIC;
1584 }
1585
1586 var_SetBool( p_vout, "intf-change", true );
1587
1588 /* Modify input as well because the vout might have to be restarted */
1589 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1590 var_SetString( p_input, "vout-filter", newval.psz_string );
1591
1592 /* Now restart current video stream */
1593 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1594 vlc_object_release( p_input );
1595
1596 return VLC_SUCCESS;
1597 }
1598
1599 /*****************************************************************************
1600 * Video Filter2 stuff
1601 *****************************************************************************/
1602 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1603 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1604 {
1605 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1606 (void)psz_cmd; (void)oldval; (void)p_data;
1607
1608 vlc_mutex_lock( &p_vout->p->vfilter_lock );
1609 p_vout->p->psz_vf2 = strdup( newval.psz_string );
1610 vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1611
1612 return VLC_SUCCESS;
1613 }
1614
1615 /*****************************************************************************
1616 * Post-processing
1617 *****************************************************************************/
1618 static bool PostProcessIsPresent( const char *psz_filter )
1619 {
1620 const char *psz_pp = "postproc";
1621 const size_t i_pp = strlen(psz_pp);
1622 return psz_filter &&
1623 !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) &&
1624 ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' );
1625 }
1626
1627 static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd,
1628 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1629 {
1630 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1631 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1632
1633 static const char *psz_pp = "postproc";
1634
1635 char *psz_vf2 = var_GetString( p_vout, "video-filter" );
1636
1637 if( newval.i_int <= 0 )
1638 {
1639 if( PostProcessIsPresent( psz_vf2 ) )
1640 {
1641 strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] );
1642 if( *psz_vf2 == ':' )
1643 strcpy( psz_vf2, &psz_vf2[1] );
1644 }
1645 }
1646 else
1647 {
1648 if( !PostProcessIsPresent( psz_vf2 ) )
1649 {
1650 if( psz_vf2 )
1651 {
1652 char *psz_tmp = psz_vf2;
1653 if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 )
1654 psz_vf2 = psz_tmp;
1655 else
1656 free( psz_tmp );
1657 }
1658 else
1659 {
1660 psz_vf2 = strdup( psz_pp );
1661 }
1662 }
1663 }
1664 if( psz_vf2 )
1665 {
1666 var_SetString( p_vout, "video-filter", psz_vf2 );
1667 free( psz_vf2 );
1668 }
1669
1670 return VLC_SUCCESS;
1671 }
1672 static void PostProcessEnable( vout_thread_t *p_vout )
1673 {
1674 vlc_value_t text;
1675 msg_Dbg( p_vout, "Post-processing available" );
1676 var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
1677 text.psz_string = _("Post processing");
1678 var_Change( p_vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL );
1679
1680 for( int i = 0; i <= 6; i++ )
1681 {
1682 vlc_value_t val;
1683 vlc_value_t text;
1684 char psz_text[1+1];
1685
1686 val.i_int = i;
1687 snprintf( psz_text, sizeof(psz_text), "%d", i );
1688 if( i == 0 )
1689 text.psz_string = _("Disable");
1690 else
1691 text.psz_string = psz_text;
1692 var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text );
1693 }
1694 var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL );
1695
1696 /* */
1697 char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" );
1698 int i_postproc_q = 0;
1699 if( PostProcessIsPresent( psz_filter ) )
1700 i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" );
1701
1702 var_SetInteger( p_vout, "postprocess", i_postproc_q );
1703
1704 free( psz_filter );
1705 }
1706 static void PostProcessDisable( vout_thread_t *p_vout )
1707 {
1708 msg_Dbg( p_vout, "Post-processing no more available" );
1709 var_Destroy( p_vout, "postprocess" );
1710 }
1711 static void PostProcessSetFilterQuality( vout_thread_t *p_vout )
1712 {
1713 vlc_object_t *p_pp = vlc_object_find_name( p_vout, "postproc", FIND_CHILD );
1714 if( !p_pp )
1715 return;
1716
1717 var_SetInteger( p_pp, "postproc-q", var_GetInteger( p_vout, "postprocess" ) );
1718 vlc_object_release( p_pp );
1719 }
1720
1721
1722 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1723 {
1724 const mtime_t i_start = mdate();
1725 const mtime_t i_stop = i_start + INT64_C(1000) * p_vout->p->i_title_timeout;
1726
1727 if( i_stop <= i_start )
1728 return;
1729
1730 vlc_assert_locked( &p_vout->change_lock );
1731
1732 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1733 p_vout->p->psz_title, NULL,
1734 p_vout->p->i_title_position,
1735 30 + p_vout->fmt_in.i_width
1736 - p_vout->fmt_in.i_visible_width
1737 - p_vout->fmt_in.i_x_offset,
1738 20 + p_vout->fmt_in.i_y_offset,
1739 i_start, i_stop );
1740
1741 free( p_vout->p->psz_title );
1742
1743 p_vout->p->psz_title = NULL;
1744 }
1745
1746 /*****************************************************************************
1747 * Deinterlacing
1748 *****************************************************************************/
1749 typedef struct
1750 {
1751 const char *psz_mode;
1752 bool b_vout_filter;
1753 } deinterlace_mode_t;
1754
1755 /* XXX
1756 * You can use the non vout filter if and only if the video properties stay the
1757 * same (width/height/chroma/fps), at least for now.
1758 */
1759 static const deinterlace_mode_t p_deinterlace_mode[] = {
1760 { "", false },
1761 { "discard", true },
1762 { "blend", false },
1763 { "mean", true },
1764 { "bob", true },
1765 { "linear", true },
1766 { "x", false },
1767 { "yadif", true },
1768 { "yadif2x", true },
1769 { NULL, true }
1770 };
1771
1772 static char *FilterFind( char *psz_filter_base, const char *psz_module )
1773 {
1774 const size_t i_module = strlen( psz_module );
1775 const char *psz_filter = psz_filter_base;
1776
1777 if( !psz_filter || i_module <= 0 )
1778 return NULL;
1779
1780 for( ;; )
1781 {
1782 char *psz_find = strstr( psz_filter, psz_module );
1783 if( !psz_find )
1784 return NULL;
1785 if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' )
1786 return psz_find;
1787 psz_filter = &psz_find[i_module];
1788 }
1789 }
1790
1791 static bool DeinterlaceIsPresent( vout_thread_t *p_vout, bool b_vout_filter )
1792 {
1793 char *psz_filter = var_GetNonEmptyString( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1794
1795 bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL;
1796
1797 free( psz_filter );
1798
1799 return b_found;
1800 }
1801
1802 static void DeinterlaceRemove( vout_thread_t *p_vout, bool b_vout_filter )
1803 {
1804 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1805 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1806
1807 char *psz = FilterFind( psz_filter, "deinterlace" );
1808 if( !psz )
1809 {
1810 free( psz_filter );
1811 return;
1812 }
1813
1814 /* */
1815 strcpy( &psz[0], &psz[strlen("deinterlace")] );
1816 if( *psz == ':' )
1817 strcpy( &psz[0], &psz[1] );
1818
1819 var_SetString( p_vout, psz_variable, psz_filter );
1820 free( psz_filter );
1821 }
1822 static void DeinterlaceAdd( vout_thread_t *p_vout, bool b_vout_filter )
1823 {
1824 const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
1825
1826 char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1827
1828 if( FilterFind( psz_filter, "deinterlace" ) )
1829 {
1830 free( psz_filter );
1831 return;
1832 }
1833
1834 /* */
1835 if( psz_filter )
1836 {
1837 char *psz_tmp = psz_filter;
1838 if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 )
1839 psz_filter = psz_tmp;
1840 else
1841 free( psz_tmp );
1842 }
1843 else
1844 {
1845 psz_filter = strdup( "deinterlace" );
1846 }
1847
1848 if( psz_filter )
1849 {
1850 var_SetString( p_vout, psz_variable, psz_filter );
1851 free( psz_filter );
1852 }
1853 }
1854
1855 static void DeinterlaceSave( vout_thread_t *p_vout, int i_deinterlace, const char *psz_mode, bool is_needed )
1856 {
1857 /* We have to set input variable to ensure restart support
1858 * XXX it is only needed because of vout-filter but must be done
1859 * for non video filter anyway */
1860 vlc_object_t *p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
1861 if( !p_input )
1862 return;
1863
1864 /* Another hack for "vout filter" mode */
1865 if( i_deinterlace < 0 )
1866 i_deinterlace = is_needed ? -2 : -3;
1867
1868 var_Create( p_input, "deinterlace", VLC_VAR_INTEGER );
1869 var_SetInteger( p_input, "deinterlace", i_deinterlace );
1870
1871 static const char * const ppsz_variable[] = {
1872 "deinterlace-mode",
1873 "filter-deinterlace-mode",
1874 "sout-deinterlace-mode",
1875 NULL
1876 };
1877 for( int i = 0; ppsz_variable[i]; i++ )
1878 {
1879 var_Create( p_input, ppsz_variable[i], VLC_VAR_STRING );
1880 var_SetString( p_input, ppsz_variable[i], psz_mode );
1881 }
1882
1883 vlc_object_release( p_input );
1884 }
1885 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1886 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1887 {
1888 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(p_data);
1889 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1890
1891 /* */
1892 const int i_deinterlace = var_GetInteger( p_this, "deinterlace" );
1893 char *psz_mode = var_GetString( p_this, "deinterlace-mode" );
1894 const bool is_needed = var_GetBool( p_this, "deinterlace-needed" );
1895 if( !psz_mode )
1896 return VLC_EGENERIC;
1897
1898 DeinterlaceSave( p_vout, i_deinterlace, psz_mode, is_needed );
1899
1900 /* */
1901 bool b_vout_filter = true;
1902 for( const deinterlace_mode_t *p_mode = &p_deinterlace_mode[0]; p_mode->psz_mode; p_mode++ )
1903 {
1904 if( !strcmp( p_mode->psz_mode, psz_mode ) )
1905 {
1906 b_vout_filter = p_mode->b_vout_filter;
1907 break;
1908 }
1909 }
1910
1911 /* */
1912 char *psz_old;
1913 if( b_vout_filter )
1914 {
1915 psz_old = var_CreateGetString( p_vout, "filter-deinterlace-mode" );
1916 }
1917 else
1918 {
1919 psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" );
1920 var_SetString( p_vout, "sout-deinterlace-mode", psz_mode );
1921 }
1922
1923 msg_Dbg( p_vout, "deinterlace %d, mode %s, is_needed %d", i_deinterlace, psz_mode, is_needed );
1924 if( i_deinterlace == 0 || ( i_deinterlace == -1 && !is_needed ) )
1925 {
1926 DeinterlaceRemove( p_vout, false );
1927 DeinterlaceRemove( p_vout, true );
1928 }
1929 else
1930 {
1931 if( !DeinterlaceIsPresent( p_vout, b_vout_filter ) )
1932 {
1933 DeinterlaceRemove( p_vout, !b_vout_filter );
1934 DeinterlaceAdd( p_vout, b_vout_filter );
1935 }
1936 else
1937 {
1938 /* The deinterlace filter was already inserted but we have changed the mode */
1939 DeinterlaceRemove( p_vout, !b_vout_filter );
1940 if( psz_old && strcmp( psz_old, psz_mode ) )
1941 var_TriggerCallback( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );
1942 }
1943 }
1944
1945 /* */
1946 free( psz_old );
1947 free( psz_mode );
1948 return VLC_SUCCESS;
1949 }
1950
1951 static void DeinterlaceEnable( vout_thread_t *p_vout )
1952 {
1953 vlc_value_t val, text;
1954
1955 if( !p_vout->p->b_first_vout )
1956 return;
1957
1958 msg_Dbg( p_vout, "Deinterlacing available" );
1959
1960 /* Create the configuration variables */
1961 /* */
1962 var_Create( p_vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1963 int i_deinterlace = var_GetInteger( p_vout, "deinterlace" );
1964
1965 text.psz_string = _("Deinterlace");
1966 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
1967
1968 const module_config_t *p_optd = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace" );
1969 var_Change( p_vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL );
1970 for( int i = 0; p_optd && i < p_optd->i_list; i++ )
1971 {
1972 val.i_int = p_optd->pi_list[i];
1973 text.psz_string = (char*)vlc_gettext(p_optd->ppsz_list_text[i]);
1974 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
1975 }
1976 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
1977 /* */
1978 var_Create( p_vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE );
1979 char *psz_deinterlace = var_GetNonEmptyString( p_vout, "deinterlace-mode" );
1980
1981 text.psz_string = _("Deinterlace mode");
1982 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL );
1983
1984 const module_config_t *p_optm = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace-mode" );
1985 var_Change( p_vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL );
1986 for( int i = 0; p_optm && i < p_optm->i_list; i++ )
1987 {
1988 val.psz_string = p_optm->ppsz_list[i];
1989 text.psz_string = (char*)vlc_gettext(p_optm->ppsz_list_text[i]);
1990 var_Change( p_vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text );
1991 }
1992 var_AddCallback( p_vout, "deinterlace-mode", DeinterlaceCallback, NULL );
1993 /* */
1994 var_Create( p_vout, "deinterlace-needed", VLC_VAR_BOOL );
1995 var_AddCallback( p_vout, "deinterlace-needed", DeinterlaceCallback, NULL );
1996
1997 /* Override the initial value from filters if present */
1998 char *psz_filter_mode = NULL;
1999 if( DeinterlaceIsPresent( p_vout, true ) )
2000 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "filter-deinterlace-mode" );
2001 else if( DeinterlaceIsPresent( p_vout, false ) )
2002 psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" );
2003 if( psz_filter_mode )
2004 {
2005 free( psz_deinterlace );
2006 if( i_deinterlace >= -1 )
2007 i_deinterlace = 1;
2008 psz_deinterlace = psz_filter_mode;
2009 }
2010
2011 /* */
2012 if( i_deinterlace == -2 )
2013 p_vout->p->b_picture_interlaced = true;
2014 else if( i_deinterlace == -3 )
2015 p_vout->p->b_picture_interlaced = false;
2016 if( i_deinterlace < 0 )
2017 i_deinterlace = -1;
2018
2019 /* */
2020 val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz;
2021 var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL );
2022 val.b_bool = p_vout->p->b_picture_interlaced;
2023 var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL );
2024
2025 var_SetInteger( p_vout, "deinterlace", i_deinterlace );
2026 free( psz_deinterlace );
2027 }
2028
2029 static void DeinterlaceNeeded( vout_thread_t *p_vout, bool is_interlaced )
2030 {
2031 msg_Dbg( p_vout, "Detected %s video",
2032 is_interlaced ? "interlaced" : "progressive" );
2033 var_SetBool( p_vout, "deinterlace-needed", is_interlaced );
2034 }
2035
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