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 *****************************************************************************/
38 #include <stdlib.h> /* free() */
42 #ifdef HAVE_SYS_TIMES_H
43 # include <sys/times.h>
47 #include <vlc_playlist.h>
49 #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"
60 #include "modules/modules.h"
62 /*****************************************************************************
64 *****************************************************************************/
65 static int InitThread ( vout_thread_t * );
66 static void RunThread ( vout_thread_t * );
67 static void ErrorThread ( vout_thread_t * );
68 static void EndThread ( vout_thread_t * );
70 static void AspectRatio ( int, int *, int * );
71 static int BinaryLog ( uint32_t );
72 static void MaskToShift ( int *, int *, uint32_t );
74 static void vout_Destructor ( vlc_object_t * p_this );
76 /* Object variables callbacks */
77 static int DeinterlaceCallback( vlc_object_t *, char const *,
78 vlc_value_t, vlc_value_t, void * );
79 static int FilterCallback( vlc_object_t *, char const *,
80 vlc_value_t, vlc_value_t, void * );
81 static int VideoFilter2Callback( vlc_object_t *, char const *,
82 vlc_value_t, vlc_value_t, void * );
84 /* From vout_intf.c */
85 int vout_Snapshot( vout_thread_t *, picture_t * );
87 /* Video filter2 parsing */
88 static int ParseVideoFilter2Chain( vout_thread_t *, char * );
89 static void RemoveVideoFilters2( vout_thread_t *p_vout );
91 /* Display media title in OSD */
92 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
94 /*****************************************************************************
95 * Video Filter2 functions
96 *****************************************************************************/
97 struct filter_owner_sys_t
99 vout_thread_t *p_vout;
102 static picture_t *video_new_buffer_filter( filter_t *p_filter )
104 picture_t *p_picture;
105 vout_thread_t *p_vout = p_filter->p_owner->p_vout;
107 p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
112 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
114 vout_DestroyPicture( p_filter->p_owner->p_vout, p_pic );
117 /*****************************************************************************
118 * vout_Request: find a video output thread, create one, or destroy one.
119 *****************************************************************************
120 * This function looks for a video output thread matching the current
121 * properties. If not found, it spawns a new one.
122 *****************************************************************************/
123 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
124 video_format_t *p_fmt )
128 /* Reattach video output to playlist before bailing out */
131 spu_Attach( p_vout->p_spu, p_this, false );
132 vlc_object_detach( p_vout );
133 vlc_object_attach( p_vout, p_this->p_libvlc );
138 /* If a video output was provided, lock it, otherwise look for one. */
141 vlc_object_yield( p_vout );
145 p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_CHILD );
149 p_vout = vlc_object_find( p_this->p_libvlc,
150 VLC_OBJECT_VOUT, FIND_CHILD );
151 /* only first children of p_input for unused vout */
152 if( p_vout && p_vout->p_parent != VLC_OBJECT(p_this->p_libvlc) )
154 vlc_object_release( p_vout );
158 vlc_object_detach( p_vout ); /* Remove it from the GC */
162 /* If we now have a video output, check it has the right properties */
165 char *psz_filter_chain;
168 /* We don't directly check for the "vout-filter" variable for obvious
169 * performance reasons. */
170 if( p_vout->b_filter_change )
172 var_Get( p_vout, "vout-filter", &val );
173 psz_filter_chain = val.psz_string;
175 if( psz_filter_chain && !*psz_filter_chain )
177 free( psz_filter_chain );
178 psz_filter_chain = NULL;
180 if( p_vout->psz_filter_chain && !*p_vout->psz_filter_chain )
182 free( p_vout->psz_filter_chain );
183 p_vout->psz_filter_chain = NULL;
186 if( !psz_filter_chain && !p_vout->psz_filter_chain )
188 p_vout->b_filter_change = false;
191 free( psz_filter_chain );
194 if( ( p_vout->fmt_render.i_width != p_fmt->i_width ) ||
195 ( p_vout->fmt_render.i_height != p_fmt->i_height ) ||
196 ( p_vout->fmt_render.i_aspect != p_fmt->i_aspect ) ||
197 p_vout->b_filter_change )
199 /* We are not interested in this format, close this vout */
200 vlc_object_release( p_vout );
201 vout_Destroy( p_vout );
206 /* This video output is cool! Hijack it. */
207 spu_Attach( p_vout->p_spu, p_this, true );
208 vlc_object_attach( p_vout, p_this );
209 if( p_vout->b_title_show )
210 DisplayTitleOnOSD( p_vout );
211 vlc_object_release( p_vout );
217 msg_Dbg( p_this, "no usable vout present, spawning one" );
219 p_vout = vout_Create( p_this, p_fmt );
225 /*****************************************************************************
226 * vout_Create: creates a new video output thread
227 *****************************************************************************
228 * This function creates a new video output thread, and returns a pointer
229 * to its description. On error, it returns NULL.
230 *****************************************************************************/
231 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
233 vout_thread_t * p_vout; /* thread descriptor */
234 input_thread_t * p_input_thread;
235 int i_index; /* loop variable */
236 vlc_value_t val, text;
238 unsigned int i_width = p_fmt->i_width;
239 unsigned int i_height = p_fmt->i_height;
240 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
241 unsigned int i_aspect = p_fmt->i_aspect;
243 config_chain_t *p_cfg;
247 /* Allocate descriptor */
248 p_vout = vlc_object_create( p_parent, VLC_OBJECT_VOUT );
251 msg_Err( p_parent, "out of memory" );
255 /* Initialize pictures - translation tables and functions
256 * will be initialized later in InitThread */
257 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
259 p_vout->p_picture[i_index].pf_lock = NULL;
260 p_vout->p_picture[i_index].pf_unlock = NULL;
261 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
262 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
263 p_vout->p_picture[i_index].b_slow = 0;
266 /* No images in the heap */
267 p_vout->i_heap_size = 0;
269 /* Initialize the rendering heap */
270 I_RENDERPICTURES = 0;
272 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
273 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
274 p_vout->fmt_render = *p_fmt; /* FIXME palette */
275 p_vout->fmt_in = *p_fmt; /* FIXME palette */
277 p_vout->render.i_width = i_width;
278 p_vout->render.i_height = i_height;
279 p_vout->render.i_chroma = i_chroma;
280 p_vout->render.i_aspect = i_aspect;
282 p_vout->render.i_rmask = 0;
283 p_vout->render.i_gmask = 0;
284 p_vout->render.i_bmask = 0;
286 p_vout->render.i_last_used_pic = -1;
287 p_vout->render.b_allow_modify_pics = 1;
289 /* Zero the output heap */
290 I_OUTPUTPICTURES = 0;
291 p_vout->output.i_width = 0;
292 p_vout->output.i_height = 0;
293 p_vout->output.i_chroma = 0;
294 p_vout->output.i_aspect = 0;
296 p_vout->output.i_rmask = 0;
297 p_vout->output.i_gmask = 0;
298 p_vout->output.i_bmask = 0;
300 /* Initialize misc stuff */
301 p_vout->i_changes = 0;
303 p_vout->b_grayscale = 0;
305 p_vout->b_interface = 0;
307 p_vout->b_fullscreen = 0;
308 p_vout->i_alignment = 0;
309 p_vout->render_time = 10;
310 p_vout->c_fps_samples = 0;
311 p_vout->b_filter_change = 0;
312 p_vout->pf_control = 0;
313 p_vout->p_parent_intf = 0;
314 p_vout->i_par_num = p_vout->i_par_den = 1;
316 /* Initialize locks */
317 vlc_mutex_init( &p_vout->picture_lock );
318 vlc_mutex_init( &p_vout->change_lock );
319 vlc_mutex_init( &p_vout->vfilter_lock );
321 /* Mouse coordinates */
322 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
323 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
324 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
325 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
326 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
328 /* Initialize subpicture unit */
329 p_vout->p_spu = spu_Create( p_vout );
330 spu_Attach( p_vout->p_spu, p_parent, true );
332 /* Attach the new object now so we can use var inheritance below */
333 vlc_object_attach( p_vout, p_parent );
335 spu_Init( p_vout->p_spu );
337 /* Take care of some "interface/control" related initialisations */
338 vout_IntfInit( p_vout );
340 /* If the parent is not a VOUT object, that means we are at the start of
341 * the video output pipe */
342 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
344 /* Look for the default filter configuration */
345 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
346 var_Get( p_vout, "vout-filter", &val );
347 p_vout->psz_filter_chain = val.psz_string;
349 /* Apply video filter2 objects on the first vout */
350 var_Create( p_vout, "video-filter",
351 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
352 var_Get( p_vout, "video-filter", &val );
353 ParseVideoFilter2Chain( p_vout, val.psz_string );
354 free( val.psz_string );
358 /* continue the parent's filter chain */
361 /* Ugly hack to jump to our configuration chain */
362 p_vout->psz_filter_chain
363 = ((vout_thread_t *)p_parent)->psz_filter_chain;
364 p_vout->psz_filter_chain
365 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->psz_filter_chain );
366 config_ChainDestroy( p_cfg );
369 /* Create a video filter2 var ... but don't inherit values */
370 var_Create( p_vout, "video-filter", VLC_VAR_STRING );
371 ParseVideoFilter2Chain( p_vout, NULL );
374 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
375 p_vout->b_vfilter_change = true;
376 p_vout->i_vfilters = 0;
378 /* Choose the video output module */
379 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
381 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
382 var_Get( p_vout, "vout", &val );
383 psz_parser = val.psz_string;
387 psz_parser = strdup( p_vout->psz_filter_chain );
390 /* Create the vout thread */
391 config_ChainCreate( &psz_name, &p_cfg, psz_parser );
393 p_vout->p_cfg = p_cfg;
394 p_vout->p_module = module_Need( p_vout,
395 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
396 "video filter" : "video output", psz_name, p_vout->psz_filter_chain && *p_vout->psz_filter_chain );
399 if( p_vout->p_module == NULL )
401 msg_Err( p_vout, "no suitable vout module" );
402 vlc_object_detach( p_vout );
403 vlc_object_release( p_vout );
407 /* Create a few object variables for interface interaction */
408 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
409 text.psz_string = _("Deinterlace");
410 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
411 val.psz_string = (char *)""; text.psz_string = _("Disable");
412 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
413 val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
414 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
415 val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
416 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
417 val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
418 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
419 val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
420 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
421 val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
422 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
423 val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
424 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
426 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
428 var_Set( p_vout, "deinterlace", val );
429 free( val.psz_string );
431 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
433 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
434 text.psz_string = _("Filters");
435 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
436 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
438 /* Calculate delay created by internal caching */
439 p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
440 VLC_OBJECT_INPUT, FIND_ANYWHERE );
443 p_vout->i_pts_delay = p_input_thread->i_pts_delay;
444 vlc_object_release( p_input_thread );
448 p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
451 if( vlc_thread_create( p_vout, "video output", RunThread,
452 VLC_THREAD_PRIORITY_OUTPUT, true ) )
454 msg_Err( p_vout, "out of memory" );
455 module_Unneed( p_vout, p_vout->p_module );
456 vlc_object_release( p_vout );
460 if( p_vout->b_error )
462 msg_Err( p_vout, "video output creation failed" );
464 /* Make sure the thread is destroyed */
465 vlc_object_release( p_vout );
469 vlc_object_set_destructor( p_vout, vout_Destructor );
474 /*****************************************************************************
475 * vout_Destroy: destroys a previously created video output
476 *****************************************************************************
477 * Destroy a terminated thread.
478 * The function will request a destruction of the specified thread. If pi_error
479 * is NULL, it will return once the thread is destroyed. Else, it will be
480 * update using one of the THREAD_* constants.
481 *****************************************************************************/
482 void vout_Destroy( vout_thread_t *p_vout )
484 /* XXX: should go in the destructor */
485 var_Destroy( p_vout, "intf-change" );
487 vlc_object_release( p_vout );
490 static void vout_Destructor( vlc_object_t * p_this )
492 vout_thread_t *p_vout = (vout_thread_t *)p_this;
494 /* Destroy the locks */
495 vlc_mutex_destroy( &p_vout->picture_lock );
496 vlc_mutex_destroy( &p_vout->change_lock );
497 vlc_mutex_destroy( &p_vout->vfilter_lock );
499 /* Release the module */
500 if( p_vout->p_module )
502 module_Unneed( p_vout, p_vout->p_module );
505 free( p_vout->psz_filter_chain );
507 config_ChainDestroy( p_vout->p_cfg );
510 vout_thread_t *p_another_vout;
512 playlist_t *p_playlist = pl_Get( p_vout );
513 if( p_playlist->b_die ) return;
514 vlc_object_yield( p_playlist );
515 /* This is a dirty hack for mostly Linux, where there is no way to get the GUI
516 back if you closed it while playing video. This is solved in Mac OS X,
517 where we have this novelty called menubar, that will always allow you access
518 to the applications main functionality. They should try that on linux sometime */
519 p_another_vout = vlc_object_find( p_this->p_libvlc,
520 VLC_OBJECT_VOUT, FIND_ANYWHERE );
521 if( p_another_vout == NULL )
525 var_Set( p_playlist, "intf-show", val );
529 vlc_object_release( p_another_vout );
531 vlc_object_release( p_playlist );
535 /*****************************************************************************
536 * InitThread: initialize video output thread
537 *****************************************************************************
538 * This function is called from RunThread and performs the second step of the
539 * initialization. It returns 0 on success. Note that the thread's flag are not
540 * modified inside this function.
541 *****************************************************************************/
542 static int InitThread( vout_thread_t *p_vout )
544 int i, i_aspect_x, i_aspect_y;
546 vlc_mutex_lock( &p_vout->change_lock );
552 /* Initialize output method, it allocates direct buffers for us */
553 if( p_vout->pf_init( p_vout ) )
555 vlc_mutex_unlock( &p_vout->change_lock );
559 if( !I_OUTPUTPICTURES )
561 msg_Err( p_vout, "plugin was unable to allocate at least "
562 "one direct buffer" );
563 p_vout->pf_end( p_vout );
564 vlc_mutex_unlock( &p_vout->change_lock );
568 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
570 msg_Err( p_vout, "plugin allocated too many direct buffers, "
571 "our internal buffers must have overflown." );
572 p_vout->pf_end( p_vout );
573 vlc_mutex_unlock( &p_vout->change_lock );
577 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
579 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
581 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
582 "chroma %4.4s, ar %i:%i, sar %i:%i",
583 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
584 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
585 p_vout->fmt_render.i_visible_width,
586 p_vout->fmt_render.i_visible_height,
587 (char*)&p_vout->fmt_render.i_chroma,
588 i_aspect_x, i_aspect_y,
589 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
591 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
593 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
594 "chroma %4.4s, ar %i:%i, sar %i:%i",
595 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
596 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
597 p_vout->fmt_in.i_visible_width,
598 p_vout->fmt_in.i_visible_height,
599 (char*)&p_vout->fmt_in.i_chroma,
600 i_aspect_x, i_aspect_y,
601 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
603 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
605 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
606 p_vout->output.i_width;
607 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
608 p_vout->output.i_height;
609 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
611 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
612 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
614 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
616 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
617 p_vout->fmt_out.i_height;
618 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
619 p_vout->fmt_out.i_width;
622 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
623 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
625 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
627 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
628 "chroma %4.4s, ar %i:%i, sar %i:%i",
629 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
630 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
631 p_vout->fmt_out.i_visible_width,
632 p_vout->fmt_out.i_visible_height,
633 (char*)&p_vout->fmt_out.i_chroma,
634 i_aspect_x, i_aspect_y,
635 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
637 /* Calculate shifts from system-updated masks */
638 MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
639 p_vout->output.i_rmask );
640 MaskToShift( &p_vout->output.i_lgshift, &p_vout->output.i_rgshift,
641 p_vout->output.i_gmask );
642 MaskToShift( &p_vout->output.i_lbshift, &p_vout->output.i_rbshift,
643 p_vout->output.i_bmask );
645 /* Check whether we managed to create direct buffers similar to
646 * the render buffers, ie same size and chroma */
647 if( ( p_vout->output.i_width == p_vout->render.i_width )
648 && ( p_vout->output.i_height == p_vout->render.i_height )
649 && ( vout_ChromaCmp( p_vout->output.i_chroma, p_vout->render.i_chroma ) ) )
651 /* Cool ! We have direct buffers, we can ask the decoder to
652 * directly decode into them ! Map the first render buffers to
653 * the first direct buffers, but keep the first direct buffer
654 * for memcpy operations */
655 p_vout->b_direct = 1;
657 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
659 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
660 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
661 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
663 /* We have enough direct buffers so there's no need to
664 * try to use system memory buffers. */
667 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
671 msg_Dbg( p_vout, "direct render, mapping "
672 "render pictures 0-%i to system pictures 1-%i",
673 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
677 /* Rats... Something is wrong here, we could not find an output
678 * plugin able to directly render what we decode. See if we can
679 * find a chroma plugin to do the conversion */
680 p_vout->b_direct = 0;
682 /* Choose the best module */
683 p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL, 0 );
685 if( p_vout->chroma.p_module == NULL )
687 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s",
688 (char*)&p_vout->render.i_chroma,
689 (char*)&p_vout->output.i_chroma );
690 p_vout->pf_end( p_vout );
691 vlc_mutex_unlock( &p_vout->change_lock );
695 msg_Dbg( p_vout, "indirect render, mapping "
696 "render pictures 0-%i to system pictures %i-%i",
697 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
698 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
700 /* Append render buffers after the direct buffers */
701 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
703 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
706 /* Check if we have enough render pictures */
707 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
712 /* Link pictures back to their heap */
713 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
715 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
718 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
720 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
723 /* XXX XXX mark thread ready */
727 /*****************************************************************************
728 * RunThread: video output thread
729 *****************************************************************************
730 * Video output thread. This function does only returns when the thread is
731 * terminated. It handles the pictures arriving in the video heap and the
732 * display device events.
733 *****************************************************************************/
734 static void RunThread( vout_thread_t *p_vout)
736 int i_index; /* index in heap */
737 int i_idle_loops = 0; /* loops without displaying a picture */
738 mtime_t current_date; /* current date */
739 mtime_t display_date; /* display date */
741 picture_t * p_picture; /* picture pointer */
742 picture_t * p_last_picture = NULL; /* last picture */
743 picture_t * p_directbuffer; /* direct buffer to display */
745 subpicture_t * p_subpic = NULL; /* subpicture pointer */
747 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
752 int i_displayed = 0, i_lost = 0, i_loops = 0;
757 p_vout->b_error = InitThread( p_vout );
759 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
760 var_Get( p_vout, "drop-late-frames", &val );
761 b_drop_late = val.b_bool;
763 /* signal the creation of the vout */
764 vlc_thread_ready( p_vout );
766 if( p_vout->b_error )
769 if( p_vout->b_title_show )
770 DisplayTitleOnOSD( p_vout );
773 * Main loop - it is not executed if an error occurred during
776 while( (!p_vout->b_die) && (!p_vout->b_error) )
778 /* Initialize loop variables */
781 current_date = mdate();
786 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
791 vlc_mutex_lock( &p_input->p->counters.counters_lock );
792 stats_UpdateInteger( p_vout, p_input->p->counters.p_lost_pictures,
794 stats_UpdateInteger( p_vout,
795 p_input->p->counters.p_displayed_pictures,
797 i_displayed = i_lost = 0;
798 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
799 vlc_object_release( p_input );
804 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
806 msg_Dbg( p_vout, "picture heap: %d/%d",
807 I_RENDERPICTURES, p_vout->i_heap_size );
812 * Find the picture to display (the one with the earliest date).
813 * This operation does not need lock, since only READY_PICTUREs
815 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
817 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
818 && ( (p_picture == NULL) ||
819 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
821 p_picture = PP_RENDERPICTURE[i_index];
822 display_date = p_picture->date;
828 /* If we met the last picture, parse again to see whether there is
829 * a more appropriate one. */
830 if( p_picture == p_last_picture )
832 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
834 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
835 && (PP_RENDERPICTURE[i_index] != p_last_picture)
836 && ((p_picture == p_last_picture) ||
837 (PP_RENDERPICTURE[i_index]->date < display_date)) )
839 p_picture = PP_RENDERPICTURE[i_index];
840 display_date = p_picture->date;
845 /* If we found better than the last picture, destroy it */
846 if( p_last_picture && p_picture != p_last_picture )
848 vlc_mutex_lock( &p_vout->picture_lock );
849 if( p_last_picture->i_refcount )
851 p_last_picture->i_status = DISPLAYED_PICTURE;
855 p_last_picture->i_status = DESTROYED_PICTURE;
856 p_vout->i_heap_size--;
858 vlc_mutex_unlock( &p_vout->picture_lock );
859 p_last_picture = NULL;
862 /* Compute FPS rate */
863 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
866 if( !p_picture->b_force &&
867 p_picture != p_last_picture &&
868 display_date < current_date + p_vout->render_time &&
871 /* Picture is late: it will be destroyed and the thread
872 * will directly choose the next picture */
873 vlc_mutex_lock( &p_vout->picture_lock );
874 if( p_picture->i_refcount )
876 /* Pretend we displayed the picture, but don't destroy
877 * it since the decoder might still need it. */
878 p_picture->i_status = DISPLAYED_PICTURE;
882 /* Destroy the picture without displaying it */
883 p_picture->i_status = DESTROYED_PICTURE;
884 p_vout->i_heap_size--;
886 msg_Warn( p_vout, "late picture skipped (%"PRId64")",
887 current_date - display_date );
889 vlc_mutex_unlock( &p_vout->picture_lock );
895 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
897 /* Picture is waaay too early: it will be destroyed */
898 vlc_mutex_lock( &p_vout->picture_lock );
899 if( p_picture->i_refcount )
901 /* Pretend we displayed the picture, but don't destroy
902 * it since the decoder might still need it. */
903 p_picture->i_status = DISPLAYED_PICTURE;
907 /* Destroy the picture without displaying it */
908 p_picture->i_status = DESTROYED_PICTURE;
909 p_vout->i_heap_size--;
912 msg_Warn( p_vout, "vout warning: early picture skipped "
913 "(%"PRId64")", display_date - current_date
914 - p_vout->i_pts_delay );
915 vlc_mutex_unlock( &p_vout->picture_lock );
920 if( display_date > current_date + VOUT_DISPLAY_DELAY )
922 /* A picture is ready to be rendered, but its rendering date
923 * is far from the current one so the thread will perform an
924 * empty loop as if no picture were found. The picture state
929 else if( p_picture == p_last_picture )
931 /* We are asked to repeat the previous picture, but we first
932 * wait for a couple of idle loops */
933 if( i_idle_loops < 4 )
940 /* We set the display date to something high, otherwise
941 * we'll have lots of problems with late pictures */
942 display_date = current_date + p_vout->render_time;
947 if( p_picture == NULL )
952 /* Video Filter2 stuff */
953 if( p_vout->b_vfilter_change == true )
956 vlc_mutex_lock( &p_vout->vfilter_lock );
957 RemoveVideoFilters2( p_vout );
958 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
960 filter_t *p_vfilter =
961 p_vout->pp_vfilters[p_vout->i_vfilters] =
962 vlc_object_create( p_vout, VLC_OBJECT_FILTER );
964 vlc_object_attach( p_vfilter, p_vout );
966 p_vfilter->pf_vout_buffer_new = video_new_buffer_filter;
967 p_vfilter->pf_vout_buffer_del = video_del_buffer_filter;
969 if( !p_vout->i_vfilters )
971 p_vfilter->fmt_in.video = p_vout->fmt_render;
975 p_vfilter->fmt_in.video = (p_vfilter-1)->fmt_out.video;
977 /* TODO: one day filters in the middle of the chain might
978 * have a different fmt_out.video than fmt_render ... */
979 p_vfilter->fmt_out.video = p_vout->fmt_render;
981 p_vfilter->p_cfg = p_vout->p_vfilters_cfg[i];
982 p_vfilter->p_module = module_Need( p_vfilter, "video filter2",
983 p_vout->psz_vfilters[i],
986 if( p_vfilter->p_module )
989 malloc( sizeof( filter_owner_sys_t ) );
990 p_vfilter->p_owner->p_vout = p_vout;
991 p_vout->i_vfilters++;
992 msg_Dbg( p_vout, "video filter found (%s)",
993 p_vout->psz_vfilters[i] );
997 msg_Err( p_vout, "no video filter found (%s)",
998 p_vout->psz_vfilters[i] );
999 vlc_object_detach( p_vfilter );
1000 vlc_object_release( p_vfilter );
1003 p_vout->b_vfilter_change = false;
1004 vlc_mutex_unlock( &p_vout->vfilter_lock );
1010 for( i = 0; i < p_vout->i_vfilters; i++ )
1012 picture_t *p_old = p_picture;
1013 p_picture = p_vout->pp_vfilters[i]->pf_video_filter(
1014 p_vout->pp_vfilters[i], p_picture );
1019 /* FIXME: this is kind of wrong
1020 * if you have 2 or more vfilters and the 2nd breaks,
1021 * on the next loop the 1st one will be applied again */
1023 /* if p_old and p_picture are the same (ie the filter
1024 * worked on the old picture), then following code is
1025 * still alright since i_status gets changed back to
1026 * the right value */
1027 if( p_old->i_refcount )
1029 p_old->i_status = DISPLAYED_PICTURE;
1033 p_old->i_status = DESTROYED_PICTURE;
1035 p_picture->i_status = READY_PICTURE;
1039 if( p_picture && p_vout->b_snapshot )
1041 p_vout->b_snapshot = false;
1042 vout_Snapshot( p_vout, p_picture );
1046 * Check for subpictures to display
1048 if( display_date > 0 )
1052 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
1055 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
1056 p_input ? var_GetBool( p_input, "state" ) == PAUSE_S : false );
1058 vlc_object_release( p_input );
1066 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
1069 * Call the plugin-specific rendering method if there is one
1071 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1073 /* Render the direct buffer returned by vout_RenderPicture */
1074 p_vout->pf_render( p_vout, p_directbuffer );
1080 if( display_date != 0 && p_directbuffer != NULL )
1082 mtime_t current_render_time = mdate() - current_date;
1083 /* if render time is very large we don't include it in the mean */
1084 if( current_render_time < p_vout->render_time +
1085 VOUT_DISPLAY_DELAY )
1087 /* Store render time using a sliding mean weighting to
1088 * current value in a 3 to 1 ratio*/
1089 p_vout->render_time *= 3;
1090 p_vout->render_time += current_render_time;
1091 p_vout->render_time >>= 2;
1095 /* Give back change lock */
1096 vlc_mutex_unlock( &p_vout->change_lock );
1098 /* Sleep a while or until a given date */
1099 if( display_date != 0 )
1101 /* If there are filters in the chain, better give them the picture
1103 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1105 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1110 msleep( VOUT_IDLE_SLEEP );
1113 /* On awakening, take back lock and send immediately picture
1115 vlc_mutex_lock( &p_vout->change_lock );
1118 * Display the previously rendered picture
1120 if( p_picture != NULL && p_directbuffer != NULL )
1122 /* Display the direct buffer returned by vout_RenderPicture */
1123 if( p_vout->pf_display )
1125 p_vout->pf_display( p_vout, p_directbuffer );
1128 /* Tell the vout this was the last picture and that it does not
1129 * need to be forced anymore. */
1130 p_last_picture = p_picture;
1131 p_last_picture->b_force = 0;
1134 if( p_picture != NULL )
1136 /* Reinitialize idle loop count */
1141 * Check events and manage thread
1143 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1145 /* A fatal error occurred, and the thread must terminate
1146 * immediately, without displaying anything - setting b_error to 1
1147 * causes the immediate end of the main while() loop. */
1148 p_vout->b_error = 1;
1151 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1153 /* this must only happen when the vout plugin is incapable of
1154 * rescaling the picture itself. In this case we need to destroy
1155 * the current picture buffers and recreate new ones with the right
1159 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1161 p_vout->pf_end( p_vout );
1162 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1163 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1165 I_OUTPUTPICTURES = 0;
1166 if( p_vout->pf_init( p_vout ) )
1168 msg_Err( p_vout, "cannot resize display" );
1169 /* FIXME: pf_end will be called again in EndThread() */
1170 p_vout->b_error = 1;
1173 /* Need to reinitialise the chroma plugin */
1174 if( p_vout->chroma.p_module )
1176 if( p_vout->chroma.p_module->pf_deactivate )
1177 p_vout->chroma.p_module->pf_deactivate( VLC_OBJECT(p_vout) );
1178 p_vout->chroma.p_module->pf_activate( VLC_OBJECT(p_vout) );
1182 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1184 /* This happens when the picture buffers need to be recreated.
1185 * This is useful on multimonitor displays for instance.
1187 * Warning: This only works when the vout creates only 1 picture
1189 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1191 if( !p_vout->b_direct )
1193 module_Unneed( p_vout, p_vout->chroma.p_module );
1196 vlc_mutex_lock( &p_vout->picture_lock );
1198 p_vout->pf_end( p_vout );
1200 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1202 p_vout->b_error = InitThread( p_vout );
1204 vlc_mutex_unlock( &p_vout->picture_lock );
1210 vlc_object_release( p_input );
1214 * Error loop - wait until the thread destruction is requested
1216 if( p_vout->b_error )
1218 ErrorThread( p_vout );
1222 EndThread( p_vout );
1225 /*****************************************************************************
1226 * ErrorThread: RunThread() error loop
1227 *****************************************************************************
1228 * This function is called when an error occurred during thread main's loop.
1229 * The thread can still receive feed, but must be ready to terminate as soon
1231 *****************************************************************************/
1232 static void ErrorThread( vout_thread_t *p_vout )
1234 /* Wait until a `die' order */
1235 while( !p_vout->b_die )
1238 msleep( VOUT_IDLE_SLEEP );
1242 /*****************************************************************************
1243 * EndThread: thread destruction
1244 *****************************************************************************
1245 * This function is called when the thread ends after a sucessful
1246 * initialization. It frees all resources allocated by InitThread.
1247 *****************************************************************************/
1248 static void EndThread( vout_thread_t *p_vout )
1250 int i_index; /* index in heap */
1254 struct tms cpu_usage;
1255 times( &cpu_usage );
1257 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1258 cpu_usage.tms_utime, cpu_usage.tms_stime );
1262 if( !p_vout->b_direct )
1264 module_Unneed( p_vout, p_vout->chroma.p_module );
1267 /* Destroy all remaining pictures */
1268 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1270 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1272 free( p_vout->p_picture[i_index].p_data_orig );
1276 /* Destroy subpicture unit */
1277 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1278 spu_Destroy( p_vout->p_spu );
1280 /* Destroy the video filters2 */
1281 RemoveVideoFilters2( p_vout );
1283 /* Destroy translation tables */
1284 p_vout->pf_end( p_vout );
1286 /* Release the change lock */
1287 vlc_mutex_unlock( &p_vout->change_lock );
1290 /* following functions are local */
1292 static int ReduceHeight( int i_ratio )
1294 int i_dummy = VOUT_ASPECT_FACTOR;
1302 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1303 while( !(i_ratio & 1) && !(i_dummy & 1) )
1310 while( !(i_ratio % 3) && !(i_dummy % 3) )
1317 while( !(i_ratio % 5) && !(i_dummy % 5) )
1327 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1329 unsigned int i_pgcd = ReduceHeight( i_aspect );
1330 *i_aspect_x = i_aspect / i_pgcd;
1331 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1334 /*****************************************************************************
1335 * BinaryLog: computes the base 2 log of a binary value
1336 *****************************************************************************
1337 * This functions is used by MaskToShift, to get a bit index from a binary
1339 *****************************************************************************/
1340 static int BinaryLog( uint32_t i )
1344 if( i == 0 ) return -31337;
1346 if( i & 0xffff0000 ) i_log += 16;
1347 if( i & 0xff00ff00 ) i_log += 8;
1348 if( i & 0xf0f0f0f0 ) i_log += 4;
1349 if( i & 0xcccccccc ) i_log += 2;
1350 if( i & 0xaaaaaaaa ) i_log += 1;
1355 /*****************************************************************************
1356 * MaskToShift: transform a color mask into right and left shifts
1357 *****************************************************************************
1358 * This function is used for obtaining color shifts from masks.
1359 *****************************************************************************/
1360 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1362 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1366 *pi_left = *pi_right = 0;
1371 i_low = i_high = i_mask;
1373 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1374 i_high += i_low; /* higher bit of the mask */
1376 /* Transform bits into an index. Also deal with i_high overflow, which
1377 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1378 i_low = BinaryLog (i_low);
1379 i_high = i_high ? BinaryLog (i_high) : 32;
1381 /* Update pointers and return */
1383 *pi_right = (8 - i_high + i_low);
1386 /*****************************************************************************
1387 * vout_VarCallback: generic callback for intf variables
1388 *****************************************************************************/
1389 int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
1390 vlc_value_t oldval, vlc_value_t newval,
1393 vout_thread_t * p_vout = (vout_thread_t *)p_this;
1395 (void)psz_variable; (void)newval; (void)oldval; (void)p_data;
1397 var_Set( p_vout, "intf-change", val );
1401 /*****************************************************************************
1402 * Helper thread for object variables callbacks.
1403 * Only used to avoid deadlocks when using the video embedded mode.
1404 *****************************************************************************/
1405 typedef struct suxor_thread_t
1408 input_thread_t *p_input;
1412 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1416 vlc_thread_ready( p_this );
1418 /* Now restart current video stream */
1419 var_Get( p_this->p_input, "video-es", &val );
1420 if( val.i_int >= 0 )
1423 val_es.i_int = -VIDEO_ES;
1424 var_Set( p_this->p_input, "video-es", val_es );
1425 var_Set( p_this->p_input, "video-es", val );
1428 vlc_object_release( p_this->p_input );
1430 vlc_object_release( p_this );
1433 /*****************************************************************************
1434 * object variables callbacks: a bunch of object variables are used by the
1435 * interfaces to interact with the vout.
1436 *****************************************************************************/
1437 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1438 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1440 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1441 input_thread_t *p_input;
1444 char *psz_mode = newval.psz_string;
1445 char *psz_filter, *psz_deinterlace = NULL;
1446 (void)psz_cmd; (void)oldval; (void)p_data;
1448 var_Get( p_vout, "vout-filter", &val );
1449 psz_filter = val.psz_string;
1450 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1452 if( !psz_mode || !*psz_mode )
1454 if( psz_deinterlace )
1456 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1457 if( psz_src[0] == ':' ) psz_src++;
1458 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1461 else if( !psz_deinterlace )
1463 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1464 sizeof(":deinterlace") );
1465 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1466 strcat( psz_filter, "deinterlace" );
1469 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1471 if( !p_input ) return VLC_EGENERIC;
1473 if( psz_mode && *psz_mode )
1475 /* Modify input as well because the vout might have to be restarted */
1476 val.psz_string = psz_mode;
1477 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1478 var_Set( p_input, "deinterlace-mode", val );
1480 vlc_object_release( p_input );
1483 var_Set( p_vout, "intf-change", val );
1485 val.psz_string = psz_filter;
1486 var_Set( p_vout, "vout-filter", val );
1492 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1493 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1495 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1496 input_thread_t *p_input;
1498 (void)psz_cmd; (void)oldval; (void)p_data;
1500 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1504 msg_Err( p_vout, "Input not found" );
1505 return( VLC_EGENERIC );
1509 var_Set( p_vout, "intf-change", val );
1511 /* Modify input as well because the vout might have to be restarted */
1512 val.psz_string = newval.psz_string;
1513 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1515 var_Set( p_input, "vout-filter", val );
1517 /* Now restart current video stream */
1518 var_Get( p_input, "video-es", &val );
1519 if( val.i_int >= 0 )
1521 suxor_thread_t *p_suxor =
1522 vlc_object_create( p_vout, sizeof(suxor_thread_t) );
1523 p_suxor->p_input = p_input;
1524 p_vout->b_filter_change = true;
1525 vlc_object_yield( p_input );
1526 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1527 VLC_THREAD_PRIORITY_LOW, false );
1530 vlc_object_release( p_input );
1535 /*****************************************************************************
1536 * Video Filter2 stuff
1537 *****************************************************************************/
1538 static int ParseVideoFilter2Chain( vout_thread_t *p_vout, char *psz_vfilters )
1541 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
1543 struct config_chain_t *p_cfg =
1544 p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg];
1545 config_ChainDestroy( p_cfg );
1546 free( p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1547 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] = NULL;
1549 p_vout->i_vfilters_cfg = 0;
1550 if( psz_vfilters && *psz_vfilters )
1552 char *psz_parser = psz_vfilters;
1554 while( psz_parser && *psz_parser )
1556 psz_parser = config_ChainCreate(
1557 &p_vout->psz_vfilters[p_vout->i_vfilters_cfg],
1558 &p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg],
1560 msg_Dbg( p_vout, "adding vfilter: %s",
1561 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1562 p_vout->i_vfilters_cfg++;
1563 if( psz_parser && *psz_parser )
1565 if( p_vout->i_vfilters_cfg == MAX_VFILTERS )
1568 "maximum number of video filters reached. \"%s\" discarded",
1578 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1579 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1581 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1582 (void)psz_cmd; (void)oldval; (void)p_data;
1584 vlc_mutex_lock( &p_vout->vfilter_lock );
1585 ParseVideoFilter2Chain( p_vout, newval.psz_string );
1586 p_vout->b_vfilter_change = true;
1587 vlc_mutex_unlock( &p_vout->vfilter_lock );
1592 static void RemoveVideoFilters2( vout_thread_t *p_vout )
1595 for( i = 0; i < p_vout->i_vfilters; i++ )
1597 vlc_object_detach( p_vout->pp_vfilters[i] );
1598 if( p_vout->pp_vfilters[i]->p_module )
1600 module_Unneed( p_vout->pp_vfilters[i],
1601 p_vout->pp_vfilters[i]->p_module );
1604 free( p_vout->pp_vfilters[i]->p_owner );
1605 vlc_object_release( p_vout->pp_vfilters[i] );
1607 p_vout->i_vfilters = 0;
1610 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1612 input_thread_t *p_input;
1613 mtime_t i_now, i_stop;
1615 p_input = (input_thread_t *)vlc_object_find( p_vout,
1616 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1620 i_stop = i_now + (mtime_t)(p_vout->i_title_timeout * 1000);
1621 char *psz_nowplaying =
1622 input_item_GetNowPlaying( input_GetItem( p_input ) );
1623 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1624 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1625 if( EMPTY_STR( psz_name ) )
1628 psz_name = input_item_GetName( input_GetItem( p_input ) );
1630 if( !EMPTY_STR( psz_nowplaying ) )
1632 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1633 psz_nowplaying, NULL,
1634 p_vout->i_title_position,
1635 30 + p_vout->fmt_in.i_width
1636 - p_vout->fmt_in.i_visible_width
1637 - p_vout->fmt_in.i_x_offset,
1638 20 + p_vout->fmt_in.i_y_offset,
1641 else if( !EMPTY_STR( psz_artist ) )
1643 char *psz_string = NULL;
1644 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
1646 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1648 p_vout->i_title_position,
1649 30 + p_vout->fmt_in.i_width
1650 - p_vout->fmt_in.i_visible_width
1651 - p_vout->fmt_in.i_x_offset,
1652 20 + p_vout->fmt_in.i_y_offset,
1659 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1661 p_vout->i_title_position,
1662 30 + p_vout->fmt_in.i_width
1663 - p_vout->fmt_in.i_visible_width
1664 - p_vout->fmt_in.i_x_offset,
1665 20 + p_vout->fmt_in.i_y_offset,
1668 vlc_object_release( p_input );
1671 free( psz_nowplaying );