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 * );
69 static void DestroyThread ( vout_thread_t * );
71 static void AspectRatio ( int, int *, int * );
72 static int BinaryLog ( uint32_t );
73 static void MaskToShift ( int *, int *, uint32_t );
75 /* Object variables callbacks */
76 static int DeinterlaceCallback( vlc_object_t *, char const *,
77 vlc_value_t, vlc_value_t, void * );
78 static int FilterCallback( vlc_object_t *, char const *,
79 vlc_value_t, vlc_value_t, void * );
80 static int VideoFilter2Callback( vlc_object_t *, char const *,
81 vlc_value_t, vlc_value_t, void * );
83 /* From vout_intf.c */
84 int vout_Snapshot( vout_thread_t *, picture_t * );
86 /* Video filter2 parsing */
87 static int ParseVideoFilter2Chain( vout_thread_t *, char * );
88 static void RemoveVideoFilters2( vout_thread_t *p_vout );
90 /* Display media title in OSD */
91 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
93 /*****************************************************************************
94 * Video Filter2 functions
95 *****************************************************************************/
96 struct filter_owner_sys_t
98 vout_thread_t *p_vout;
101 static picture_t *video_new_buffer_filter( filter_t *p_filter )
103 picture_t *p_picture;
104 vout_thread_t *p_vout = p_filter->p_owner->p_vout;
106 p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
111 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
113 vout_DestroyPicture( p_filter->p_owner->p_vout, p_pic );
116 /*****************************************************************************
117 * vout_Request: find a video output thread, create one, or destroy one.
118 *****************************************************************************
119 * This function looks for a video output thread matching the current
120 * properties. If not found, it spawns a new one.
121 *****************************************************************************/
122 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
123 video_format_t *p_fmt )
127 /* Reattach video output to playlist before bailing out */
130 playlist_t *p_playlist = pl_Yield( p_this );
131 spu_Attach( p_vout->p_spu, p_this, VLC_FALSE );
132 vlc_object_detach( p_vout );
133 vlc_object_attach( p_vout, p_playlist );
134 pl_Release( p_this );
139 /* If a video output was provided, lock it, otherwise look for one. */
142 vlc_object_yield( p_vout );
146 p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_CHILD );
150 playlist_t *p_playlist = pl_Yield( p_this );
151 vlc_mutex_lock( &p_playlist->gc_lock );
152 p_vout = vlc_object_find( p_playlist,
153 VLC_OBJECT_VOUT, FIND_CHILD );
154 /* only first children of p_input for unused vout */
155 if( p_vout && p_vout->p_parent != (vlc_object_t *)p_playlist )
157 vlc_object_release( p_vout );
161 vlc_object_detach( p_vout ); /* Remove it from the GC */
162 vlc_mutex_unlock( &p_playlist->gc_lock );
163 pl_Release( p_this );
167 /* If we now have a video output, check it has the right properties */
170 char *psz_filter_chain;
173 /* We don't directly check for the "vout-filter" variable for obvious
174 * performance reasons. */
175 if( p_vout->b_filter_change )
177 var_Get( p_vout, "vout-filter", &val );
178 psz_filter_chain = val.psz_string;
180 if( !*psz_filter_chain )
182 free( psz_filter_chain );
183 psz_filter_chain = NULL;
185 if( !*p_vout->psz_filter_chain )
187 free( p_vout->psz_filter_chain );
188 p_vout->psz_filter_chain = NULL;
191 if( !psz_filter_chain && !p_vout->psz_filter_chain )
193 p_vout->b_filter_change = VLC_FALSE;
196 free( psz_filter_chain );
199 if( ( p_vout->fmt_render.i_width != p_fmt->i_width ) ||
200 ( p_vout->fmt_render.i_height != p_fmt->i_height ) ||
201 ( p_vout->fmt_render.i_aspect != p_fmt->i_aspect ) ||
202 p_vout->b_filter_change )
204 /* We are not interested in this format, close this vout */
205 vlc_object_release( p_vout );
206 vout_Destroy( p_vout );
211 /* This video output is cool! Hijack it. */
212 spu_Attach( p_vout->p_spu, p_this, VLC_TRUE );
213 vlc_object_attach( p_vout, p_this );
214 if( p_vout->b_title_show )
215 DisplayTitleOnOSD( p_vout );
216 vlc_object_release( p_vout );
222 msg_Dbg( p_this, "no usable vout present, spawning one" );
224 p_vout = vout_Create( p_this, p_fmt );
230 /*****************************************************************************
231 * vout_Create: creates a new video output thread
232 *****************************************************************************
233 * This function creates a new video output thread, and returns a pointer
234 * to its description. On error, it returns NULL.
235 *****************************************************************************/
236 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
238 vout_thread_t * p_vout; /* thread descriptor */
239 input_thread_t * p_input_thread;
240 int i_index; /* loop variable */
241 vlc_value_t val, text;
243 unsigned int i_width = p_fmt->i_width;
244 unsigned int i_height = p_fmt->i_height;
245 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
246 unsigned int i_aspect = p_fmt->i_aspect;
248 config_chain_t *p_cfg;
252 /* Allocate descriptor */
253 p_vout = vlc_object_create( p_parent, VLC_OBJECT_VOUT );
256 msg_Err( p_parent, "out of memory" );
260 /* Initialize pictures - translation tables and functions
261 * will be initialized later in InitThread */
262 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
264 p_vout->p_picture[i_index].pf_lock = NULL;
265 p_vout->p_picture[i_index].pf_unlock = NULL;
266 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
267 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
268 p_vout->p_picture[i_index].b_slow = 0;
271 /* No images in the heap */
272 p_vout->i_heap_size = 0;
274 /* Initialize the rendering heap */
275 I_RENDERPICTURES = 0;
277 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
278 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
279 p_vout->fmt_render = *p_fmt; /* FIXME palette */
280 p_vout->fmt_in = *p_fmt; /* FIXME palette */
282 p_vout->render.i_width = i_width;
283 p_vout->render.i_height = i_height;
284 p_vout->render.i_chroma = i_chroma;
285 p_vout->render.i_aspect = i_aspect;
287 p_vout->render.i_rmask = 0;
288 p_vout->render.i_gmask = 0;
289 p_vout->render.i_bmask = 0;
291 p_vout->render.i_last_used_pic = -1;
292 p_vout->render.b_allow_modify_pics = 1;
294 /* Zero the output heap */
295 I_OUTPUTPICTURES = 0;
296 p_vout->output.i_width = 0;
297 p_vout->output.i_height = 0;
298 p_vout->output.i_chroma = 0;
299 p_vout->output.i_aspect = 0;
301 p_vout->output.i_rmask = 0;
302 p_vout->output.i_gmask = 0;
303 p_vout->output.i_bmask = 0;
305 /* Initialize misc stuff */
306 p_vout->i_changes = 0;
308 p_vout->b_grayscale = 0;
310 p_vout->b_interface = 0;
312 p_vout->b_fullscreen = 0;
313 p_vout->i_alignment = 0;
314 p_vout->render_time = 10;
315 p_vout->c_fps_samples = 0;
316 p_vout->b_filter_change = 0;
317 p_vout->pf_control = 0;
318 p_vout->p_parent_intf = 0;
319 p_vout->i_par_num = p_vout->i_par_den = 1;
321 /* Initialize locks */
322 vlc_mutex_init( p_vout, &p_vout->picture_lock );
323 vlc_mutex_init( p_vout, &p_vout->change_lock );
324 vlc_mutex_init( p_vout, &p_vout->vfilter_lock );
326 /* Mouse coordinates */
327 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
328 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
329 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
330 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
331 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
333 /* Initialize subpicture unit */
334 p_vout->p_spu = spu_Create( p_vout );
335 spu_Attach( p_vout->p_spu, p_parent, VLC_TRUE );
337 /* Attach the new object now so we can use var inheritance below */
338 vlc_object_attach( p_vout, p_parent );
340 spu_Init( p_vout->p_spu );
342 /* Take care of some "interface/control" related initialisations */
343 vout_IntfInit( p_vout );
345 /* If the parent is not a VOUT object, that means we are at the start of
346 * the video output pipe */
347 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
349 /* Look for the default filter configuration */
350 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
351 var_Get( p_vout, "vout-filter", &val );
352 p_vout->psz_filter_chain = val.psz_string;
354 /* Apply video filter2 objects on the first vout */
355 var_Create( p_vout, "video-filter",
356 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
357 var_Get( p_vout, "video-filter", &val );
358 ParseVideoFilter2Chain( p_vout, val.psz_string );
359 free( val.psz_string );
363 /* continue the parent's filter chain */
366 /* Ugly hack to jump to our configuration chain */
367 p_vout->psz_filter_chain
368 = ((vout_thread_t *)p_parent)->psz_filter_chain;
369 p_vout->psz_filter_chain
370 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->psz_filter_chain );
371 config_ChainDestroy( p_cfg );
374 /* Create a video filter2 var ... but don't inherit values */
375 var_Create( p_vout, "video-filter", VLC_VAR_STRING );
376 ParseVideoFilter2Chain( p_vout, NULL );
379 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
380 p_vout->b_vfilter_change = VLC_TRUE;
381 p_vout->i_vfilters = 0;
383 /* Choose the video output module */
384 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
386 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
387 var_Get( p_vout, "vout", &val );
388 psz_parser = val.psz_string;
392 psz_parser = strdup( p_vout->psz_filter_chain );
395 /* Create the vout thread */
396 config_ChainCreate( &psz_name, &p_cfg, psz_parser );
398 p_vout->p_cfg = p_cfg;
399 p_vout->p_module = module_Need( p_vout,
400 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
401 "video filter" : "video output", psz_name, p_vout->psz_filter_chain && *p_vout->psz_filter_chain );
404 if( p_vout->p_module == NULL )
406 msg_Err( p_vout, "no suitable vout module" );
407 vlc_object_detach( p_vout );
408 vlc_object_release( p_vout );
412 /* Create a few object variables for interface interaction */
413 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
414 text.psz_string = _("Deinterlace");
415 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
416 val.psz_string = (char *)""; text.psz_string = _("Disable");
417 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
418 val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
419 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
420 val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
421 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
422 val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
423 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
424 val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
425 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
426 val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
427 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
428 val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
429 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
431 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
433 var_Set( p_vout, "deinterlace", val );
434 free( val.psz_string );
436 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
438 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
439 text.psz_string = _("Filters");
440 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
441 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
443 /* Calculate delay created by internal caching */
444 p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
445 VLC_OBJECT_INPUT, FIND_ANYWHERE );
448 p_vout->i_pts_delay = p_input_thread->i_pts_delay;
449 vlc_object_release( p_input_thread );
453 p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
456 if( vlc_thread_create( p_vout, "video output", RunThread,
457 VLC_THREAD_PRIORITY_OUTPUT, VLC_TRUE ) )
459 msg_Err( p_vout, "out of memory" );
460 module_Unneed( p_vout, p_vout->p_module );
461 vlc_object_detach( p_vout );
462 vlc_object_release( p_vout );
466 if( p_vout->b_error )
468 msg_Err( p_vout, "video output creation failed" );
470 /* Make sure the thread is destroyed */
471 vlc_object_kill( p_vout );
472 vlc_thread_join( p_vout );
474 vlc_object_detach( p_vout );
475 vlc_object_release( p_vout );
482 /*****************************************************************************
483 * vout_Destroy: destroys a previously created video output
484 *****************************************************************************
485 * Destroy a terminated thread.
486 * The function will request a destruction of the specified thread. If pi_error
487 * is NULL, it will return once the thread is destroyed. Else, it will be
488 * update using one of the THREAD_* constants.
489 *****************************************************************************/
490 void vout_Destroy( vout_thread_t *p_vout )
492 vout_thread_t *p_another_vout;
493 playlist_t *p_playlist = pl_Yield( p_vout );
495 /* Request thread destruction */
496 vlc_object_kill( p_vout );
497 vlc_thread_join( p_vout );
499 var_Destroy( p_vout, "intf-change" );
501 free( p_vout->psz_filter_chain );
503 config_ChainDestroy( p_vout->p_cfg );
506 vlc_object_release( p_vout );
508 /* This is a dirty hack for mostly Linux, where there is no way to get the GUI
509 back if you closed it while playing video. This is solved in Mac OS X,
510 where we have this novelty called menubar, that will always allow you access
511 to the applications main functionality. They should try that on linux sometime */
512 p_another_vout = vlc_object_find( p_playlist,
513 VLC_OBJECT_VOUT, FIND_ANYWHERE );
514 if( p_another_vout == NULL )
517 val.b_bool = VLC_TRUE;
518 var_Set( p_playlist, "intf-show", val );
522 vlc_object_release( p_another_vout );
525 vlc_object_release( p_playlist );
528 /*****************************************************************************
529 * InitThread: initialize video output thread
530 *****************************************************************************
531 * This function is called from RunThread and performs the second step of the
532 * initialization. It returns 0 on success. Note that the thread's flag are not
533 * modified inside this function.
534 *****************************************************************************/
535 static int InitThread( vout_thread_t *p_vout )
537 int i, i_aspect_x, i_aspect_y;
539 vlc_mutex_lock( &p_vout->change_lock );
545 /* Initialize output method, it allocates direct buffers for us */
546 if( p_vout->pf_init( p_vout ) )
548 vlc_mutex_unlock( &p_vout->change_lock );
552 if( !I_OUTPUTPICTURES )
554 msg_Err( p_vout, "plugin was unable to allocate at least "
555 "one direct buffer" );
556 p_vout->pf_end( p_vout );
557 vlc_mutex_unlock( &p_vout->change_lock );
561 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
563 msg_Err( p_vout, "plugin allocated too many direct buffers, "
564 "our internal buffers must have overflown." );
565 p_vout->pf_end( p_vout );
566 vlc_mutex_unlock( &p_vout->change_lock );
570 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
572 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
574 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
575 "chroma %4.4s, ar %i:%i, sar %i:%i",
576 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
577 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
578 p_vout->fmt_render.i_visible_width,
579 p_vout->fmt_render.i_visible_height,
580 (char*)&p_vout->fmt_render.i_chroma,
581 i_aspect_x, i_aspect_y,
582 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
584 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
586 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
587 "chroma %4.4s, ar %i:%i, sar %i:%i",
588 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
589 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
590 p_vout->fmt_in.i_visible_width,
591 p_vout->fmt_in.i_visible_height,
592 (char*)&p_vout->fmt_in.i_chroma,
593 i_aspect_x, i_aspect_y,
594 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
596 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
598 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
599 p_vout->output.i_width;
600 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
601 p_vout->output.i_height;
602 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
604 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
605 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
607 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
609 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
610 p_vout->fmt_out.i_height;
611 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
612 p_vout->fmt_out.i_width;
615 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
616 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
618 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
620 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
621 "chroma %4.4s, ar %i:%i, sar %i:%i",
622 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
623 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
624 p_vout->fmt_out.i_visible_width,
625 p_vout->fmt_out.i_visible_height,
626 (char*)&p_vout->fmt_out.i_chroma,
627 i_aspect_x, i_aspect_y,
628 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
630 /* Calculate shifts from system-updated masks */
631 MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
632 p_vout->output.i_rmask );
633 MaskToShift( &p_vout->output.i_lgshift, &p_vout->output.i_rgshift,
634 p_vout->output.i_gmask );
635 MaskToShift( &p_vout->output.i_lbshift, &p_vout->output.i_rbshift,
636 p_vout->output.i_bmask );
638 /* Check whether we managed to create direct buffers similar to
639 * the render buffers, ie same size and chroma */
640 if( ( p_vout->output.i_width == p_vout->render.i_width )
641 && ( p_vout->output.i_height == p_vout->render.i_height )
642 && ( vout_ChromaCmp( p_vout->output.i_chroma, p_vout->render.i_chroma ) ) )
644 /* Cool ! We have direct buffers, we can ask the decoder to
645 * directly decode into them ! Map the first render buffers to
646 * the first direct buffers, but keep the first direct buffer
647 * for memcpy operations */
648 p_vout->b_direct = 1;
650 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
652 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
653 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
654 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
656 /* We have enough direct buffers so there's no need to
657 * try to use system memory buffers. */
660 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
664 msg_Dbg( p_vout, "direct render, mapping "
665 "render pictures 0-%i to system pictures 1-%i",
666 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
670 /* Rats... Something is wrong here, we could not find an output
671 * plugin able to directly render what we decode. See if we can
672 * find a chroma plugin to do the conversion */
673 p_vout->b_direct = 0;
675 /* Choose the best module */
676 p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL, 0 );
678 if( p_vout->chroma.p_module == NULL )
680 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s",
681 (char*)&p_vout->render.i_chroma,
682 (char*)&p_vout->output.i_chroma );
683 p_vout->pf_end( p_vout );
684 vlc_mutex_unlock( &p_vout->change_lock );
688 msg_Dbg( p_vout, "indirect render, mapping "
689 "render pictures 0-%i to system pictures %i-%i",
690 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
691 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
693 /* Append render buffers after the direct buffers */
694 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
696 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
699 /* Check if we have enough render pictures */
700 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
705 /* Link pictures back to their heap */
706 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
708 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
711 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
713 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
716 /* XXX XXX mark thread ready */
720 /*****************************************************************************
721 * RunThread: video output thread
722 *****************************************************************************
723 * Video output thread. This function does only returns when the thread is
724 * terminated. It handles the pictures arriving in the video heap and the
725 * display device events.
726 *****************************************************************************/
727 static void RunThread( vout_thread_t *p_vout)
729 int i_index; /* index in heap */
730 int i_idle_loops = 0; /* loops without displaying a picture */
731 mtime_t current_date; /* current date */
732 mtime_t display_date; /* display date */
734 picture_t * p_picture; /* picture pointer */
735 picture_t * p_last_picture = NULL; /* last picture */
736 picture_t * p_directbuffer; /* direct buffer to display */
738 subpicture_t * p_subpic = NULL; /* subpicture pointer */
740 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
743 vlc_bool_t b_drop_late;
745 int i_displayed = 0, i_lost = 0, i_loops = 0;
750 p_vout->b_error = InitThread( p_vout );
752 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
753 var_Get( p_vout, "drop-late-frames", &val );
754 b_drop_late = val.b_bool;
756 /* signal the creation of the vout */
757 vlc_thread_ready( p_vout );
759 if( p_vout->b_error )
761 /* Destroy thread structures allocated by Create and InitThread */
762 DestroyThread( p_vout );
766 if( p_vout->b_title_show )
767 DisplayTitleOnOSD( p_vout );
770 * Main loop - it is not executed if an error occurred during
773 while( (!p_vout->b_die) && (!p_vout->b_error) )
775 /* Initialize loop variables */
778 current_date = mdate();
780 if( p_input && p_input->b_die )
782 vlc_object_release( p_input );
789 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
794 vlc_mutex_lock( &p_input->p->counters.counters_lock );
795 stats_UpdateInteger( p_vout, p_input->p->counters.p_lost_pictures,
797 stats_UpdateInteger( p_vout,
798 p_input->p->counters.p_displayed_pictures,
800 i_displayed = i_lost = 0;
801 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
805 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
807 msg_Dbg( p_vout, "picture heap: %d/%d",
808 I_RENDERPICTURES, p_vout->i_heap_size );
813 * Find the picture to display (the one with the earliest date).
814 * This operation does not need lock, since only READY_PICTUREs
816 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
818 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
819 && ( (p_picture == NULL) ||
820 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
822 p_picture = PP_RENDERPICTURE[i_index];
823 display_date = p_picture->date;
829 /* If we met the last picture, parse again to see whether there is
830 * a more appropriate one. */
831 if( p_picture == p_last_picture )
833 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
835 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
836 && (PP_RENDERPICTURE[i_index] != p_last_picture)
837 && ((p_picture == p_last_picture) ||
838 (PP_RENDERPICTURE[i_index]->date < display_date)) )
840 p_picture = PP_RENDERPICTURE[i_index];
841 display_date = p_picture->date;
846 /* If we found better than the last picture, destroy it */
847 if( p_last_picture && p_picture != p_last_picture )
849 vlc_mutex_lock( &p_vout->picture_lock );
850 if( p_last_picture->i_refcount )
852 p_last_picture->i_status = DISPLAYED_PICTURE;
856 p_last_picture->i_status = DESTROYED_PICTURE;
857 p_vout->i_heap_size--;
859 vlc_mutex_unlock( &p_vout->picture_lock );
860 p_last_picture = NULL;
863 /* Compute FPS rate */
864 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
867 if( !p_picture->b_force &&
868 p_picture != p_last_picture &&
869 display_date < current_date + p_vout->render_time &&
872 /* Picture is late: it will be destroyed and the thread
873 * will directly choose the next picture */
874 vlc_mutex_lock( &p_vout->picture_lock );
875 if( p_picture->i_refcount )
877 /* Pretend we displayed the picture, but don't destroy
878 * it since the decoder might still need it. */
879 p_picture->i_status = DISPLAYED_PICTURE;
883 /* Destroy the picture without displaying it */
884 p_picture->i_status = DESTROYED_PICTURE;
885 p_vout->i_heap_size--;
887 msg_Warn( p_vout, "late picture skipped ("I64Fd")",
888 current_date - display_date );
890 vlc_mutex_unlock( &p_vout->picture_lock );
896 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
898 /* Picture is waaay too early: it will be destroyed */
899 vlc_mutex_lock( &p_vout->picture_lock );
900 if( p_picture->i_refcount )
902 /* Pretend we displayed the picture, but don't destroy
903 * it since the decoder might still need it. */
904 p_picture->i_status = DISPLAYED_PICTURE;
908 /* Destroy the picture without displaying it */
909 p_picture->i_status = DESTROYED_PICTURE;
910 p_vout->i_heap_size--;
913 msg_Warn( p_vout, "vout warning: early picture skipped "
914 "("I64Fd")", display_date - current_date
915 - p_vout->i_pts_delay );
916 vlc_mutex_unlock( &p_vout->picture_lock );
921 if( display_date > current_date + VOUT_DISPLAY_DELAY )
923 /* A picture is ready to be rendered, but its rendering date
924 * is far from the current one so the thread will perform an
925 * empty loop as if no picture were found. The picture state
930 else if( p_picture == p_last_picture )
932 /* We are asked to repeat the previous picture, but we first
933 * wait for a couple of idle loops */
934 if( i_idle_loops < 4 )
941 /* We set the display date to something high, otherwise
942 * we'll have lots of problems with late pictures */
943 display_date = current_date + p_vout->render_time;
948 if( p_picture == NULL )
953 /* Video Filter2 stuff */
954 if( p_vout->b_vfilter_change == VLC_TRUE )
957 vlc_mutex_lock( &p_vout->vfilter_lock );
958 RemoveVideoFilters2( p_vout );
959 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
961 filter_t *p_vfilter =
962 p_vout->pp_vfilters[p_vout->i_vfilters] =
963 vlc_object_create( p_vout, VLC_OBJECT_FILTER );
965 vlc_object_attach( p_vfilter, p_vout );
967 p_vfilter->pf_vout_buffer_new = video_new_buffer_filter;
968 p_vfilter->pf_vout_buffer_del = video_del_buffer_filter;
970 if( !p_vout->i_vfilters )
972 p_vfilter->fmt_in.video = p_vout->fmt_render;
976 p_vfilter->fmt_in.video = (p_vfilter-1)->fmt_out.video;
978 /* TODO: one day filters in the middle of the chain might
979 * have a different fmt_out.video than fmt_render ... */
980 p_vfilter->fmt_out.video = p_vout->fmt_render;
982 p_vfilter->p_cfg = p_vout->p_vfilters_cfg[i];
983 p_vfilter->p_module = module_Need( p_vfilter, "video filter2",
984 p_vout->psz_vfilters[i],
987 if( p_vfilter->p_module )
990 malloc( sizeof( filter_owner_sys_t ) );
991 p_vfilter->p_owner->p_vout = p_vout;
992 p_vout->i_vfilters++;
993 msg_Dbg( p_vout, "video filter found (%s)",
994 p_vout->psz_vfilters[i] );
998 msg_Err( p_vout, "no video filter found (%s)",
999 p_vout->psz_vfilters[i] );
1000 vlc_object_detach( p_vfilter );
1001 vlc_object_release( p_vfilter );
1004 p_vout->b_vfilter_change = VLC_FALSE;
1005 vlc_mutex_unlock( &p_vout->vfilter_lock );
1011 for( i = 0; i < p_vout->i_vfilters; i++ )
1013 picture_t *p_old = p_picture;
1014 p_picture = p_vout->pp_vfilters[i]->pf_video_filter(
1015 p_vout->pp_vfilters[i], p_picture );
1020 /* FIXME: this is kind of wrong
1021 * if you have 2 or more vfilters and the 2nd breaks,
1022 * on the next loop the 1st one will be applied again */
1024 /* if p_old and p_picture are the same (ie the filter
1025 * worked on the old picture), then following code is
1026 * still alright since i_status gets changed back to
1027 * the right value */
1028 if( p_old->i_refcount )
1030 p_old->i_status = DISPLAYED_PICTURE;
1034 p_old->i_status = DESTROYED_PICTURE;
1036 p_picture->i_status = READY_PICTURE;
1040 if( p_picture && p_vout->b_snapshot )
1042 p_vout->b_snapshot = VLC_FALSE;
1043 vout_Snapshot( p_vout, p_picture );
1047 * Check for subpictures to display
1049 if( display_date > 0 )
1053 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
1056 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
1057 p_input ? var_GetBool( p_input, "state" ) == PAUSE_S : VLC_FALSE );
1064 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
1067 * Call the plugin-specific rendering method if there is one
1069 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1071 /* Render the direct buffer returned by vout_RenderPicture */
1072 p_vout->pf_render( p_vout, p_directbuffer );
1078 if( display_date != 0 && p_directbuffer != NULL )
1080 mtime_t current_render_time = mdate() - current_date;
1081 /* if render time is very large we don't include it in the mean */
1082 if( current_render_time < p_vout->render_time +
1083 VOUT_DISPLAY_DELAY )
1085 /* Store render time using a sliding mean weighting to
1086 * current value in a 3 to 1 ratio*/
1087 p_vout->render_time *= 3;
1088 p_vout->render_time += current_render_time;
1089 p_vout->render_time >>= 2;
1093 /* Give back change lock */
1094 vlc_mutex_unlock( &p_vout->change_lock );
1096 /* Sleep a while or until a given date */
1097 if( display_date != 0 )
1099 /* If there are filters in the chain, better give them the picture
1101 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1103 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1108 msleep( VOUT_IDLE_SLEEP );
1111 /* On awakening, take back lock and send immediately picture
1113 vlc_mutex_lock( &p_vout->change_lock );
1116 * Display the previously rendered picture
1118 if( p_picture != NULL && p_directbuffer != NULL )
1120 /* Display the direct buffer returned by vout_RenderPicture */
1121 if( p_vout->pf_display )
1123 p_vout->pf_display( p_vout, p_directbuffer );
1126 /* Tell the vout this was the last picture and that it does not
1127 * need to be forced anymore. */
1128 p_last_picture = p_picture;
1129 p_last_picture->b_force = 0;
1132 if( p_picture != NULL )
1134 /* Reinitialize idle loop count */
1139 * Check events and manage thread
1141 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1143 /* A fatal error occurred, and the thread must terminate
1144 * immediately, without displaying anything - setting b_error to 1
1145 * causes the immediate end of the main while() loop. */
1146 p_vout->b_error = 1;
1149 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1151 /* this must only happen when the vout plugin is incapable of
1152 * rescaling the picture itself. In this case we need to destroy
1153 * the current picture buffers and recreate new ones with the right
1157 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1159 p_vout->pf_end( p_vout );
1160 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1161 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1163 I_OUTPUTPICTURES = 0;
1164 if( p_vout->pf_init( p_vout ) )
1166 msg_Err( p_vout, "cannot resize display" );
1167 /* FIXME: pf_end will be called again in EndThread() */
1168 p_vout->b_error = 1;
1171 /* Need to reinitialise the chroma plugin */
1172 if( p_vout->chroma.p_module )
1174 if( p_vout->chroma.p_module->pf_deactivate )
1175 p_vout->chroma.p_module->pf_deactivate( VLC_OBJECT(p_vout) );
1176 p_vout->chroma.p_module->pf_activate( VLC_OBJECT(p_vout) );
1180 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1182 /* This happens when the picture buffers need to be recreated.
1183 * This is useful on multimonitor displays for instance.
1185 * Warning: This only works when the vout creates only 1 picture
1187 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1189 if( !p_vout->b_direct )
1191 module_Unneed( p_vout, p_vout->chroma.p_module );
1194 vlc_mutex_lock( &p_vout->picture_lock );
1196 p_vout->pf_end( p_vout );
1198 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1200 p_vout->b_error = InitThread( p_vout );
1202 vlc_mutex_unlock( &p_vout->picture_lock );
1208 vlc_object_release( p_input );
1212 * Error loop - wait until the thread destruction is requested
1214 if( p_vout->b_error )
1216 ErrorThread( p_vout );
1220 EndThread( p_vout );
1222 /* Destroy thread structures allocated by CreateThread */
1223 DestroyThread( p_vout );
1226 /*****************************************************************************
1227 * ErrorThread: RunThread() error loop
1228 *****************************************************************************
1229 * This function is called when an error occurred during thread main's loop.
1230 * The thread can still receive feed, but must be ready to terminate as soon
1232 *****************************************************************************/
1233 static void ErrorThread( vout_thread_t *p_vout )
1235 /* Wait until a `die' order */
1236 while( !p_vout->b_die )
1239 msleep( VOUT_IDLE_SLEEP );
1243 /*****************************************************************************
1244 * EndThread: thread destruction
1245 *****************************************************************************
1246 * This function is called when the thread ends after a sucessful
1247 * initialization. It frees all resources allocated by InitThread.
1248 *****************************************************************************/
1249 static void EndThread( vout_thread_t *p_vout )
1251 int i_index; /* index in heap */
1255 struct tms cpu_usage;
1256 times( &cpu_usage );
1258 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1259 cpu_usage.tms_utime, cpu_usage.tms_stime );
1263 if( !p_vout->b_direct )
1265 module_Unneed( p_vout, p_vout->chroma.p_module );
1268 /* Destroy all remaining pictures */
1269 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1271 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1273 free( p_vout->p_picture[i_index].p_data_orig );
1277 /* Destroy subpicture unit */
1278 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), VLC_FALSE );
1279 spu_Destroy( p_vout->p_spu );
1281 /* Destroy the video filters2 */
1282 RemoveVideoFilters2( p_vout );
1284 /* Destroy translation tables */
1285 p_vout->pf_end( p_vout );
1287 /* Release the change lock */
1288 vlc_mutex_unlock( &p_vout->change_lock );
1291 /*****************************************************************************
1292 * DestroyThread: thread destruction
1293 *****************************************************************************
1294 * This function is called when the thread ends. It frees all ressources
1295 * allocated by CreateThread. Status is available at this stage.
1296 *****************************************************************************/
1297 static void DestroyThread( vout_thread_t *p_vout )
1299 /* Destroy the locks */
1300 vlc_mutex_destroy( &p_vout->picture_lock );
1301 vlc_mutex_destroy( &p_vout->change_lock );
1302 vlc_mutex_destroy( &p_vout->vfilter_lock );
1304 /* Release the module */
1305 if( p_vout && p_vout->p_module )
1307 module_Unneed( p_vout, p_vout->p_module );
1311 /* following functions are local */
1313 static int ReduceHeight( int i_ratio )
1315 int i_dummy = VOUT_ASPECT_FACTOR;
1323 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1324 while( !(i_ratio & 1) && !(i_dummy & 1) )
1331 while( !(i_ratio % 3) && !(i_dummy % 3) )
1338 while( !(i_ratio % 5) && !(i_dummy % 5) )
1348 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1350 unsigned int i_pgcd = ReduceHeight( i_aspect );
1351 *i_aspect_x = i_aspect / i_pgcd;
1352 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1355 /*****************************************************************************
1356 * BinaryLog: computes the base 2 log of a binary value
1357 *****************************************************************************
1358 * This functions is used by MaskToShift, to get a bit index from a binary
1360 *****************************************************************************/
1361 static int BinaryLog( uint32_t i )
1365 if( i == 0 ) return -31337;
1367 if( i & 0xffff0000 ) i_log += 16;
1368 if( i & 0xff00ff00 ) i_log += 8;
1369 if( i & 0xf0f0f0f0 ) i_log += 4;
1370 if( i & 0xcccccccc ) i_log += 2;
1371 if( i & 0xaaaaaaaa ) i_log += 1;
1376 /*****************************************************************************
1377 * MaskToShift: transform a color mask into right and left shifts
1378 *****************************************************************************
1379 * This function is used for obtaining color shifts from masks.
1380 *****************************************************************************/
1381 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1383 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1387 *pi_left = *pi_right = 0;
1392 i_low = i_high = i_mask;
1394 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1395 i_high += i_low; /* higher bit of the mask */
1397 /* Transform bits into an index. Also deal with i_high overflow, which
1398 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1399 i_low = BinaryLog (i_low);
1400 i_high = i_high ? BinaryLog (i_high) : 32;
1402 /* Update pointers and return */
1404 *pi_right = (8 - i_high + i_low);
1407 /*****************************************************************************
1408 * vout_VarCallback: generic callback for intf variables
1409 *****************************************************************************/
1410 int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
1411 vlc_value_t oldval, vlc_value_t newval,
1414 vout_thread_t * p_vout = (vout_thread_t *)p_this;
1416 (void)psz_variable; (void)newval; (void)oldval; (void)p_data;
1417 val.b_bool = VLC_TRUE;
1418 var_Set( p_vout, "intf-change", val );
1422 /*****************************************************************************
1423 * Helper thread for object variables callbacks.
1424 * Only used to avoid deadlocks when using the video embedded mode.
1425 *****************************************************************************/
1426 typedef struct suxor_thread_t
1429 input_thread_t *p_input;
1433 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1437 vlc_thread_ready( p_this );
1439 /* Now restart current video stream */
1440 var_Get( p_this->p_input, "video-es", &val );
1441 if( val.i_int >= 0 )
1444 val_es.i_int = -VIDEO_ES;
1445 var_Set( p_this->p_input, "video-es", val_es );
1446 var_Set( p_this->p_input, "video-es", val );
1449 vlc_object_release( p_this->p_input );
1451 vlc_object_release( p_this );
1454 /*****************************************************************************
1455 * object variables callbacks: a bunch of object variables are used by the
1456 * interfaces to interact with the vout.
1457 *****************************************************************************/
1458 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1459 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1461 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1462 input_thread_t *p_input;
1465 char *psz_mode = newval.psz_string;
1466 char *psz_filter, *psz_deinterlace = NULL;
1467 (void)psz_cmd; (void)oldval; (void)p_data;
1469 var_Get( p_vout, "vout-filter", &val );
1470 psz_filter = val.psz_string;
1471 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1473 if( !psz_mode || !*psz_mode )
1475 if( psz_deinterlace )
1477 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1478 if( psz_src[0] == ':' ) psz_src++;
1479 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1482 else if( !psz_deinterlace )
1484 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1485 sizeof(":deinterlace") );
1486 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1487 strcat( psz_filter, "deinterlace" );
1490 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1492 if( !p_input ) return VLC_EGENERIC;
1494 if( psz_mode && *psz_mode )
1496 /* Modify input as well because the vout might have to be restarted */
1497 val.psz_string = psz_mode;
1498 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1499 var_Set( p_input, "deinterlace-mode", val );
1501 vlc_object_release( p_input );
1503 val.b_bool = VLC_TRUE;
1504 var_Set( p_vout, "intf-change", val );
1506 val.psz_string = psz_filter;
1507 var_Set( p_vout, "vout-filter", val );
1513 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1514 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1516 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1517 input_thread_t *p_input;
1519 (void)psz_cmd; (void)oldval; (void)p_data;
1521 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1525 msg_Err( p_vout, "Input not found" );
1526 return( VLC_EGENERIC );
1529 val.b_bool = VLC_TRUE;
1530 var_Set( p_vout, "intf-change", val );
1532 /* Modify input as well because the vout might have to be restarted */
1533 val.psz_string = newval.psz_string;
1534 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1536 var_Set( p_input, "vout-filter", val );
1538 /* Now restart current video stream */
1539 var_Get( p_input, "video-es", &val );
1540 if( val.i_int >= 0 )
1542 suxor_thread_t *p_suxor =
1543 vlc_object_create( p_vout, sizeof(suxor_thread_t) );
1544 p_suxor->p_input = p_input;
1545 p_vout->b_filter_change = VLC_TRUE;
1546 vlc_object_yield( p_input );
1547 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1548 VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
1551 vlc_object_release( p_input );
1556 /*****************************************************************************
1557 * Video Filter2 stuff
1558 *****************************************************************************/
1559 static int ParseVideoFilter2Chain( vout_thread_t *p_vout, char *psz_vfilters )
1562 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
1564 struct config_chain_t *p_cfg =
1565 p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg];
1566 config_ChainDestroy( p_cfg );
1567 free( p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1568 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] = NULL;
1570 p_vout->i_vfilters_cfg = 0;
1571 if( psz_vfilters && *psz_vfilters )
1573 char *psz_parser = psz_vfilters;
1575 while( psz_parser && *psz_parser )
1577 psz_parser = config_ChainCreate(
1578 &p_vout->psz_vfilters[p_vout->i_vfilters_cfg],
1579 &p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg],
1581 msg_Dbg( p_vout, "adding vfilter: %s",
1582 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1583 p_vout->i_vfilters_cfg++;
1584 if( psz_parser && *psz_parser )
1586 if( p_vout->i_vfilters_cfg == MAX_VFILTERS )
1589 "maximum number of video filters reached. \"%s\" discarded",
1599 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1600 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1602 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1603 (void)psz_cmd; (void)oldval; (void)p_data;
1605 vlc_mutex_lock( &p_vout->vfilter_lock );
1606 ParseVideoFilter2Chain( p_vout, newval.psz_string );
1607 p_vout->b_vfilter_change = VLC_TRUE;
1608 vlc_mutex_unlock( &p_vout->vfilter_lock );
1613 static void RemoveVideoFilters2( vout_thread_t *p_vout )
1616 for( i = 0; i < p_vout->i_vfilters; i++ )
1618 vlc_object_detach( p_vout->pp_vfilters[i] );
1619 if( p_vout->pp_vfilters[i]->p_module )
1621 module_Unneed( p_vout->pp_vfilters[i],
1622 p_vout->pp_vfilters[i]->p_module );
1625 free( p_vout->pp_vfilters[i]->p_owner );
1626 vlc_object_release( p_vout->pp_vfilters[i] );
1628 p_vout->i_vfilters = 0;
1631 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1633 input_thread_t *p_input;
1634 mtime_t i_now, i_stop;
1636 p_input = (input_thread_t *)vlc_object_find( p_vout,
1637 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1641 i_stop = i_now + (mtime_t)(p_vout->i_title_timeout * 1000);
1642 char *psz_nowplaying =
1643 input_item_GetNowPlaying( input_GetItem( p_input ) );
1644 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1645 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1646 if( EMPTY_STR( psz_name ) )
1649 psz_name = input_item_GetName( input_GetItem( p_input ) );
1651 if( !EMPTY_STR( psz_nowplaying ) )
1653 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1654 psz_nowplaying, NULL,
1655 p_vout->i_title_position,
1656 30 + p_vout->fmt_in.i_width
1657 - p_vout->fmt_in.i_visible_width
1658 - p_vout->fmt_in.i_x_offset,
1659 20 + p_vout->fmt_in.i_y_offset,
1662 else if( !EMPTY_STR( psz_artist ) )
1664 char *psz_string = NULL;
1665 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
1667 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1669 p_vout->i_title_position,
1670 30 + p_vout->fmt_in.i_width
1671 - p_vout->fmt_in.i_visible_width
1672 - p_vout->fmt_in.i_x_offset,
1673 20 + p_vout->fmt_in.i_y_offset,
1680 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1682 p_vout->i_title_position,
1683 30 + p_vout->fmt_in.i_width
1684 - p_vout->fmt_in.i_visible_width
1685 - p_vout->fmt_in.i_x_offset,
1686 20 + p_vout->fmt_in.i_y_offset,
1689 vlc_object_release( p_input );
1692 free( psz_nowplaying );