1 /*****************************************************************************
2 * video_output.c : video output thread
4 * This module describes the programming interface for video output threads.
5 * It includes functions allowing to open a new thread, send pictures to a
6 * thread, and destroy a previously oppened video output thread.
7 *****************************************************************************
8 * Copyright (C) 2000-2007 the VideoLAN team
11 * Authors: Vincent Seguin <seguin@via.ecp.fr>
12 * Gildas Bazin <gbazin@videolan.org>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
27 *****************************************************************************/
29 /*****************************************************************************
31 *****************************************************************************/
36 #include <vlc_common.h>
38 #include <stdlib.h> /* free() */
42 #ifdef HAVE_SYS_TIMES_H
43 # include <sys/times.h>
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 vlc_object_release( 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 static void vout_Destructor( vlc_object_t * p_this )
476 vout_thread_t *p_vout = (vout_thread_t *)p_this;
478 /* Destroy the locks */
479 vlc_mutex_destroy( &p_vout->picture_lock );
480 vlc_mutex_destroy( &p_vout->change_lock );
481 vlc_mutex_destroy( &p_vout->vfilter_lock );
483 /* Release the module */
484 if( p_vout->p_module )
486 module_Unneed( p_vout, p_vout->p_module );
489 free( p_vout->psz_filter_chain );
491 config_ChainDestroy( p_vout->p_cfg );
494 vout_thread_t *p_another_vout;
496 /* This is a dirty hack mostly for Linux, where there is no way to get the
497 * GUI back if you closed it while playing video. This is solved in
498 * Mac OS X, where we have this novelty called menubar, that will always
499 * allow you access to the applications main functionality. They should try
500 * that on linux sometime. */
501 p_another_vout = vlc_object_find( p_this->p_libvlc,
502 VLC_OBJECT_VOUT, FIND_ANYWHERE );
503 if( p_another_vout == NULL )
504 var_SetBool( p_this->p_libvlc, "intf-show", true );
506 vlc_object_release( p_another_vout );
510 /*****************************************************************************
511 * InitThread: initialize video output thread
512 *****************************************************************************
513 * This function is called from RunThread and performs the second step of the
514 * initialization. It returns 0 on success. Note that the thread's flag are not
515 * modified inside this function.
516 *****************************************************************************/
517 static int InitThread( vout_thread_t *p_vout )
519 int i, i_aspect_x, i_aspect_y;
521 vlc_mutex_lock( &p_vout->change_lock );
527 /* Initialize output method, it allocates direct buffers for us */
528 if( p_vout->pf_init( p_vout ) )
530 vlc_mutex_unlock( &p_vout->change_lock );
534 if( !I_OUTPUTPICTURES )
536 msg_Err( p_vout, "plugin was unable to allocate at least "
537 "one direct buffer" );
538 p_vout->pf_end( p_vout );
539 vlc_mutex_unlock( &p_vout->change_lock );
543 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
545 msg_Err( p_vout, "plugin allocated too many direct buffers, "
546 "our internal buffers must have overflown." );
547 p_vout->pf_end( p_vout );
548 vlc_mutex_unlock( &p_vout->change_lock );
552 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
554 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
556 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
557 "chroma %4.4s, ar %i:%i, sar %i:%i",
558 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
559 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
560 p_vout->fmt_render.i_visible_width,
561 p_vout->fmt_render.i_visible_height,
562 (char*)&p_vout->fmt_render.i_chroma,
563 i_aspect_x, i_aspect_y,
564 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
566 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
568 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
569 "chroma %4.4s, ar %i:%i, sar %i:%i",
570 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
571 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
572 p_vout->fmt_in.i_visible_width,
573 p_vout->fmt_in.i_visible_height,
574 (char*)&p_vout->fmt_in.i_chroma,
575 i_aspect_x, i_aspect_y,
576 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
578 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
580 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
581 p_vout->output.i_width;
582 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
583 p_vout->output.i_height;
584 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
586 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
587 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
589 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
591 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
592 p_vout->fmt_out.i_height;
593 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
594 p_vout->fmt_out.i_width;
597 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
598 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
600 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
602 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
603 "chroma %4.4s, ar %i:%i, sar %i:%i",
604 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
605 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
606 p_vout->fmt_out.i_visible_width,
607 p_vout->fmt_out.i_visible_height,
608 (char*)&p_vout->fmt_out.i_chroma,
609 i_aspect_x, i_aspect_y,
610 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
612 /* Calculate shifts from system-updated masks */
613 MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
614 p_vout->output.i_rmask );
615 MaskToShift( &p_vout->output.i_lgshift, &p_vout->output.i_rgshift,
616 p_vout->output.i_gmask );
617 MaskToShift( &p_vout->output.i_lbshift, &p_vout->output.i_rbshift,
618 p_vout->output.i_bmask );
620 /* Check whether we managed to create direct buffers similar to
621 * the render buffers, ie same size and chroma */
622 if( ( p_vout->output.i_width == p_vout->render.i_width )
623 && ( p_vout->output.i_height == p_vout->render.i_height )
624 && ( vout_ChromaCmp( p_vout->output.i_chroma, p_vout->render.i_chroma ) ) )
626 /* Cool ! We have direct buffers, we can ask the decoder to
627 * directly decode into them ! Map the first render buffers to
628 * the first direct buffers, but keep the first direct buffer
629 * for memcpy operations */
630 p_vout->b_direct = 1;
632 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
634 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
635 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
636 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
638 /* We have enough direct buffers so there's no need to
639 * try to use system memory buffers. */
642 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
646 msg_Dbg( p_vout, "direct render, mapping "
647 "render pictures 0-%i to system pictures 1-%i",
648 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
652 /* Rats... Something is wrong here, we could not find an output
653 * plugin able to directly render what we decode. See if we can
654 * find a chroma plugin to do the conversion */
655 p_vout->b_direct = 0;
657 /* Choose the best module */
658 p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL, 0 );
660 if( p_vout->chroma.p_module == NULL )
662 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s",
663 (char*)&p_vout->render.i_chroma,
664 (char*)&p_vout->output.i_chroma );
665 p_vout->pf_end( p_vout );
666 vlc_mutex_unlock( &p_vout->change_lock );
670 msg_Dbg( p_vout, "indirect render, mapping "
671 "render pictures 0-%i to system pictures %i-%i",
672 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
673 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
675 /* Append render buffers after the direct buffers */
676 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
678 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
681 /* Check if we have enough render pictures */
682 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
687 /* Link pictures back to their heap */
688 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
690 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
693 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
695 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
698 /* XXX XXX mark thread ready */
702 /*****************************************************************************
703 * RunThread: video output thread
704 *****************************************************************************
705 * Video output thread. This function does only returns when the thread is
706 * terminated. It handles the pictures arriving in the video heap and the
707 * display device events.
708 *****************************************************************************/
709 static void RunThread( vout_thread_t *p_vout)
711 int i_index; /* index in heap */
712 int i_idle_loops = 0; /* loops without displaying a picture */
713 mtime_t current_date; /* current date */
714 mtime_t display_date; /* display date */
716 picture_t * p_picture; /* picture pointer */
717 picture_t * p_last_picture = NULL; /* last picture */
718 picture_t * p_directbuffer; /* direct buffer to display */
720 subpicture_t * p_subpic = NULL; /* subpicture pointer */
722 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
727 int i_displayed = 0, i_lost = 0, i_loops = 0;
732 p_vout->b_error = InitThread( p_vout );
734 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
735 var_Get( p_vout, "drop-late-frames", &val );
736 b_drop_late = val.b_bool;
738 /* signal the creation of the vout */
739 vlc_thread_ready( p_vout );
741 if( p_vout->b_error )
744 vlc_object_lock( p_vout );
746 if( p_vout->b_title_show )
747 DisplayTitleOnOSD( p_vout );
750 * Main loop - it is not executed if an error occurred during
753 while( (vlc_object_alive( p_vout )) && (!p_vout->b_error) )
755 /* Initialize loop variables */
758 current_date = mdate();
763 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
768 vlc_mutex_lock( &p_input->p->counters.counters_lock );
769 stats_UpdateInteger( p_vout, p_input->p->counters.p_lost_pictures,
771 stats_UpdateInteger( p_vout,
772 p_input->p->counters.p_displayed_pictures,
774 i_displayed = i_lost = 0;
775 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
776 vlc_object_release( p_input );
781 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
783 msg_Dbg( p_vout, "picture heap: %d/%d",
784 I_RENDERPICTURES, p_vout->i_heap_size );
789 * Find the picture to display (the one with the earliest date).
790 * This operation does not need lock, since only READY_PICTUREs
792 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
794 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
795 && ( (p_picture == NULL) ||
796 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
798 p_picture = PP_RENDERPICTURE[i_index];
799 display_date = p_picture->date;
805 /* If we met the last picture, parse again to see whether there is
806 * a more appropriate one. */
807 if( p_picture == p_last_picture )
809 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
811 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
812 && (PP_RENDERPICTURE[i_index] != p_last_picture)
813 && ((p_picture == p_last_picture) ||
814 (PP_RENDERPICTURE[i_index]->date < display_date)) )
816 p_picture = PP_RENDERPICTURE[i_index];
817 display_date = p_picture->date;
822 /* If we found better than the last picture, destroy it */
823 if( p_last_picture && p_picture != p_last_picture )
825 vlc_mutex_lock( &p_vout->picture_lock );
826 if( p_last_picture->i_refcount )
828 p_last_picture->i_status = DISPLAYED_PICTURE;
832 p_last_picture->i_status = DESTROYED_PICTURE;
833 p_vout->i_heap_size--;
835 vlc_mutex_unlock( &p_vout->picture_lock );
836 p_last_picture = NULL;
839 /* Compute FPS rate */
840 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
843 if( !p_picture->b_force &&
844 p_picture != p_last_picture &&
845 display_date < current_date + p_vout->render_time &&
848 /* Picture is late: it will be destroyed and the thread
849 * will directly choose the next picture */
850 vlc_mutex_lock( &p_vout->picture_lock );
851 if( p_picture->i_refcount )
853 /* Pretend we displayed the picture, but don't destroy
854 * it since the decoder might still need it. */
855 p_picture->i_status = DISPLAYED_PICTURE;
859 /* Destroy the picture without displaying it */
860 p_picture->i_status = DESTROYED_PICTURE;
861 p_vout->i_heap_size--;
863 msg_Warn( p_vout, "late picture skipped (%"PRId64")",
864 current_date - display_date );
866 vlc_mutex_unlock( &p_vout->picture_lock );
872 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
874 /* Picture is waaay too early: it will be destroyed */
875 vlc_mutex_lock( &p_vout->picture_lock );
876 if( p_picture->i_refcount )
878 /* Pretend we displayed the picture, but don't destroy
879 * it since the decoder might still need it. */
880 p_picture->i_status = DISPLAYED_PICTURE;
884 /* Destroy the picture without displaying it */
885 p_picture->i_status = DESTROYED_PICTURE;
886 p_vout->i_heap_size--;
889 msg_Warn( p_vout, "vout warning: early picture skipped "
890 "(%"PRId64")", display_date - current_date
891 - p_vout->i_pts_delay );
892 vlc_mutex_unlock( &p_vout->picture_lock );
897 if( display_date > current_date + VOUT_DISPLAY_DELAY )
899 /* A picture is ready to be rendered, but its rendering date
900 * is far from the current one so the thread will perform an
901 * empty loop as if no picture were found. The picture state
906 else if( p_picture == p_last_picture )
908 /* We are asked to repeat the previous picture, but we first
909 * wait for a couple of idle loops */
910 if( i_idle_loops < 4 )
917 /* We set the display date to something high, otherwise
918 * we'll have lots of problems with late pictures */
919 display_date = current_date + p_vout->render_time;
924 if( p_picture == NULL )
929 /* Video Filter2 stuff */
930 if( p_vout->b_vfilter_change == true )
933 vlc_mutex_lock( &p_vout->vfilter_lock );
934 RemoveVideoFilters2( p_vout );
935 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
937 filter_t *p_vfilter =
938 p_vout->pp_vfilters[p_vout->i_vfilters] =
939 vlc_object_create( p_vout, VLC_OBJECT_FILTER );
941 vlc_object_attach( p_vfilter, p_vout );
943 p_vfilter->pf_vout_buffer_new = video_new_buffer_filter;
944 p_vfilter->pf_vout_buffer_del = video_del_buffer_filter;
946 if( !p_vout->i_vfilters )
948 p_vfilter->fmt_in.video = p_vout->fmt_render;
952 p_vfilter->fmt_in.video = (p_vfilter-1)->fmt_out.video;
954 /* TODO: one day filters in the middle of the chain might
955 * have a different fmt_out.video than fmt_render ... */
956 p_vfilter->fmt_out.video = p_vout->fmt_render;
958 p_vfilter->p_cfg = p_vout->p_vfilters_cfg[i];
959 p_vfilter->p_module = module_Need( p_vfilter, "video filter2",
960 p_vout->psz_vfilters[i],
963 if( p_vfilter->p_module )
966 malloc( sizeof( filter_owner_sys_t ) );
967 p_vfilter->p_owner->p_vout = p_vout;
968 p_vout->i_vfilters++;
969 msg_Dbg( p_vout, "video filter found (%s)",
970 p_vout->psz_vfilters[i] );
974 msg_Err( p_vout, "no video filter found (%s)",
975 p_vout->psz_vfilters[i] );
976 vlc_object_detach( p_vfilter );
977 vlc_object_release( p_vfilter );
980 p_vout->b_vfilter_change = false;
981 vlc_mutex_unlock( &p_vout->vfilter_lock );
987 for( i = 0; i < p_vout->i_vfilters; i++ )
989 picture_t *p_old = p_picture;
990 p_picture = p_vout->pp_vfilters[i]->pf_video_filter(
991 p_vout->pp_vfilters[i], p_picture );
996 /* FIXME: this is kind of wrong
997 * if you have 2 or more vfilters and the 2nd breaks,
998 * on the next loop the 1st one will be applied again */
1000 /* if p_old and p_picture are the same (ie the filter
1001 * worked on the old picture), then following code is
1002 * still alright since i_status gets changed back to
1003 * the right value */
1004 if( p_old->i_refcount )
1006 p_old->i_status = DISPLAYED_PICTURE;
1010 p_old->i_status = DESTROYED_PICTURE;
1012 p_picture->i_status = READY_PICTURE;
1016 if( p_picture && p_vout->b_snapshot )
1018 p_vout->b_snapshot = false;
1019 vout_Snapshot( p_vout, p_picture );
1023 * Check for subpictures to display
1025 if( display_date > 0 )
1029 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
1032 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
1033 p_input ? var_GetBool( p_input, "state" ) == PAUSE_S : false );
1035 vlc_object_release( p_input );
1043 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
1046 * Call the plugin-specific rendering method if there is one
1048 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1050 /* Render the direct buffer returned by vout_RenderPicture */
1051 p_vout->pf_render( p_vout, p_directbuffer );
1057 if( display_date != 0 && p_directbuffer != NULL )
1059 mtime_t current_render_time = mdate() - current_date;
1060 /* if render time is very large we don't include it in the mean */
1061 if( current_render_time < p_vout->render_time +
1062 VOUT_DISPLAY_DELAY )
1064 /* Store render time using a sliding mean weighting to
1065 * current value in a 3 to 1 ratio*/
1066 p_vout->render_time *= 3;
1067 p_vout->render_time += current_render_time;
1068 p_vout->render_time >>= 2;
1072 /* Give back change lock */
1073 vlc_mutex_unlock( &p_vout->change_lock );
1075 vlc_object_unlock( p_vout );
1077 /* Sleep a while or until a given date */
1078 if( display_date != 0 )
1080 /* If there are filters in the chain, better give them the picture
1082 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1084 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1089 msleep( VOUT_IDLE_SLEEP );
1092 /* On awakening, take back lock and send immediately picture
1094 vlc_object_lock( p_vout );
1095 /* Note: vlc_object_alive() could be false here, and we
1097 vlc_mutex_lock( &p_vout->change_lock );
1100 * Display the previously rendered picture
1102 if( p_picture != NULL && p_directbuffer != NULL )
1104 /* Display the direct buffer returned by vout_RenderPicture */
1105 if( p_vout->pf_display )
1107 p_vout->pf_display( p_vout, p_directbuffer );
1110 /* Tell the vout this was the last picture and that it does not
1111 * need to be forced anymore. */
1112 p_last_picture = p_picture;
1113 p_last_picture->b_force = 0;
1116 if( p_picture != NULL )
1118 /* Reinitialize idle loop count */
1123 * Check events and manage thread
1125 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1127 /* A fatal error occurred, and the thread must terminate
1128 * immediately, without displaying anything - setting b_error to 1
1129 * causes the immediate end of the main while() loop. */
1130 p_vout->b_error = 1;
1133 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1135 /* this must only happen when the vout plugin is incapable of
1136 * rescaling the picture itself. In this case we need to destroy
1137 * the current picture buffers and recreate new ones with the right
1141 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1143 p_vout->pf_end( p_vout );
1144 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1145 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1147 I_OUTPUTPICTURES = 0;
1148 if( p_vout->pf_init( p_vout ) )
1150 msg_Err( p_vout, "cannot resize display" );
1151 /* FIXME: pf_end will be called again in EndThread() */
1152 p_vout->b_error = 1;
1155 /* Need to reinitialise the chroma plugin */
1156 if( p_vout->chroma.p_module )
1158 if( p_vout->chroma.p_module->pf_deactivate )
1159 p_vout->chroma.p_module->pf_deactivate( VLC_OBJECT(p_vout) );
1160 p_vout->chroma.p_module->pf_activate( VLC_OBJECT(p_vout) );
1164 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1166 /* This happens when the picture buffers need to be recreated.
1167 * This is useful on multimonitor displays for instance.
1169 * Warning: This only works when the vout creates only 1 picture
1171 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1173 if( !p_vout->b_direct )
1175 module_Unneed( p_vout, p_vout->chroma.p_module );
1178 vlc_mutex_lock( &p_vout->picture_lock );
1180 p_vout->pf_end( p_vout );
1182 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1184 p_vout->b_error = InitThread( p_vout );
1186 vlc_mutex_unlock( &p_vout->picture_lock );
1193 vlc_object_release( p_input );
1197 * Error loop - wait until the thread destruction is requested
1199 if( p_vout->b_error )
1201 ErrorThread( p_vout );
1205 EndThread( p_vout );
1206 vlc_object_unlock( p_vout );
1209 /*****************************************************************************
1210 * ErrorThread: RunThread() error loop
1211 *****************************************************************************
1212 * This function is called when an error occurred during thread main's loop.
1213 * The thread can still receive feed, but must be ready to terminate as soon
1215 *****************************************************************************/
1216 static void ErrorThread( vout_thread_t *p_vout )
1218 /* Wait until a `die' order */
1219 while( !p_vout->b_die )
1222 msleep( VOUT_IDLE_SLEEP );
1226 /*****************************************************************************
1227 * EndThread: thread destruction
1228 *****************************************************************************
1229 * This function is called when the thread ends after a sucessful
1230 * initialization. It frees all resources allocated by InitThread.
1231 *****************************************************************************/
1232 static void EndThread( vout_thread_t *p_vout )
1234 int i_index; /* index in heap */
1238 struct tms cpu_usage;
1239 times( &cpu_usage );
1241 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1242 cpu_usage.tms_utime, cpu_usage.tms_stime );
1246 if( !p_vout->b_direct )
1248 module_Unneed( p_vout, p_vout->chroma.p_module );
1251 /* Destroy all remaining pictures */
1252 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1254 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1256 free( p_vout->p_picture[i_index].p_data_orig );
1260 /* Destroy subpicture unit */
1261 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1262 spu_Destroy( p_vout->p_spu );
1264 /* Destroy the video filters2 */
1265 RemoveVideoFilters2( p_vout );
1267 /* Destroy translation tables */
1268 p_vout->pf_end( p_vout );
1270 /* Release the change lock */
1271 vlc_mutex_unlock( &p_vout->change_lock );
1274 /* following functions are local */
1276 static int ReduceHeight( int i_ratio )
1278 int i_dummy = VOUT_ASPECT_FACTOR;
1286 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1287 while( !(i_ratio & 1) && !(i_dummy & 1) )
1294 while( !(i_ratio % 3) && !(i_dummy % 3) )
1301 while( !(i_ratio % 5) && !(i_dummy % 5) )
1311 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1313 unsigned int i_pgcd = ReduceHeight( i_aspect );
1314 *i_aspect_x = i_aspect / i_pgcd;
1315 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1318 /*****************************************************************************
1319 * BinaryLog: computes the base 2 log of a binary value
1320 *****************************************************************************
1321 * This functions is used by MaskToShift, to get a bit index from a binary
1323 *****************************************************************************/
1324 static int BinaryLog( uint32_t i )
1328 if( i == 0 ) return -31337;
1330 if( i & 0xffff0000 ) i_log += 16;
1331 if( i & 0xff00ff00 ) i_log += 8;
1332 if( i & 0xf0f0f0f0 ) i_log += 4;
1333 if( i & 0xcccccccc ) i_log += 2;
1334 if( i & 0xaaaaaaaa ) i_log += 1;
1339 /*****************************************************************************
1340 * MaskToShift: transform a color mask into right and left shifts
1341 *****************************************************************************
1342 * This function is used for obtaining color shifts from masks.
1343 *****************************************************************************/
1344 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1346 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1350 *pi_left = *pi_right = 0;
1355 i_low = i_high = i_mask;
1357 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1358 i_high += i_low; /* higher bit of the mask */
1360 /* Transform bits into an index. Also deal with i_high overflow, which
1361 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1362 i_low = BinaryLog (i_low);
1363 i_high = i_high ? BinaryLog (i_high) : 32;
1365 /* Update pointers and return */
1367 *pi_right = (8 - i_high + i_low);
1370 /*****************************************************************************
1371 * vout_VarCallback: generic callback for intf variables
1372 *****************************************************************************/
1373 int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
1374 vlc_value_t oldval, vlc_value_t newval,
1377 vout_thread_t * p_vout = (vout_thread_t *)p_this;
1379 (void)psz_variable; (void)newval; (void)oldval; (void)p_data;
1381 var_Set( p_vout, "intf-change", val );
1385 /*****************************************************************************
1386 * Helper thread for object variables callbacks.
1387 * Only used to avoid deadlocks when using the video embedded mode.
1388 *****************************************************************************/
1389 typedef struct suxor_thread_t
1392 input_thread_t *p_input;
1396 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1400 vlc_thread_ready( p_this );
1402 /* Now restart current video stream */
1403 var_Get( p_this->p_input, "video-es", &val );
1404 if( val.i_int >= 0 )
1407 val_es.i_int = -VIDEO_ES;
1408 var_Set( p_this->p_input, "video-es", val_es );
1409 var_Set( p_this->p_input, "video-es", val );
1412 vlc_object_release( p_this->p_input );
1414 vlc_object_release( p_this );
1417 /*****************************************************************************
1418 * object variables callbacks: a bunch of object variables are used by the
1419 * interfaces to interact with the vout.
1420 *****************************************************************************/
1421 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1422 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1424 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1425 input_thread_t *p_input;
1428 char *psz_mode = newval.psz_string;
1429 char *psz_filter, *psz_deinterlace = NULL;
1430 (void)psz_cmd; (void)oldval; (void)p_data;
1432 var_Get( p_vout, "vout-filter", &val );
1433 psz_filter = val.psz_string;
1434 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1436 if( !psz_mode || !*psz_mode )
1438 if( psz_deinterlace )
1440 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1441 if( psz_src[0] == ':' ) psz_src++;
1442 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1445 else if( !psz_deinterlace )
1447 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1448 sizeof(":deinterlace") );
1449 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1450 strcat( psz_filter, "deinterlace" );
1453 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1455 if( !p_input ) return VLC_EGENERIC;
1457 if( psz_mode && *psz_mode )
1459 /* Modify input as well because the vout might have to be restarted */
1460 val.psz_string = psz_mode;
1461 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1462 var_Set( p_input, "deinterlace-mode", val );
1464 vlc_object_release( p_input );
1467 var_Set( p_vout, "intf-change", val );
1469 val.psz_string = psz_filter;
1470 var_Set( p_vout, "vout-filter", val );
1476 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1477 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1479 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1480 input_thread_t *p_input;
1482 (void)psz_cmd; (void)oldval; (void)p_data;
1484 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1488 msg_Err( p_vout, "Input not found" );
1489 return( VLC_EGENERIC );
1493 var_Set( p_vout, "intf-change", val );
1495 /* Modify input as well because the vout might have to be restarted */
1496 val.psz_string = newval.psz_string;
1497 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1499 var_Set( p_input, "vout-filter", val );
1501 /* Now restart current video stream */
1502 var_Get( p_input, "video-es", &val );
1503 if( val.i_int >= 0 )
1505 suxor_thread_t *p_suxor =
1506 vlc_object_create( p_vout, sizeof(suxor_thread_t) );
1507 p_suxor->p_input = p_input;
1508 p_vout->b_filter_change = true;
1509 vlc_object_yield( p_input );
1510 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1511 VLC_THREAD_PRIORITY_LOW, false );
1514 vlc_object_release( p_input );
1519 /*****************************************************************************
1520 * Video Filter2 stuff
1521 *****************************************************************************/
1522 static int ParseVideoFilter2Chain( vout_thread_t *p_vout, char *psz_vfilters )
1525 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
1527 struct config_chain_t *p_cfg =
1528 p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg];
1529 config_ChainDestroy( p_cfg );
1530 free( p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1531 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] = NULL;
1533 p_vout->i_vfilters_cfg = 0;
1534 if( psz_vfilters && *psz_vfilters )
1536 char *psz_parser = psz_vfilters;
1538 while( psz_parser && *psz_parser )
1540 psz_parser = config_ChainCreate(
1541 &p_vout->psz_vfilters[p_vout->i_vfilters_cfg],
1542 &p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg],
1544 msg_Dbg( p_vout, "adding vfilter: %s",
1545 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1546 p_vout->i_vfilters_cfg++;
1547 if( psz_parser && *psz_parser )
1549 if( p_vout->i_vfilters_cfg == MAX_VFILTERS )
1552 "maximum number of video filters reached. \"%s\" discarded",
1562 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1563 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1565 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1566 (void)psz_cmd; (void)oldval; (void)p_data;
1568 vlc_mutex_lock( &p_vout->vfilter_lock );
1569 ParseVideoFilter2Chain( p_vout, newval.psz_string );
1570 p_vout->b_vfilter_change = true;
1571 vlc_mutex_unlock( &p_vout->vfilter_lock );
1576 static void RemoveVideoFilters2( vout_thread_t *p_vout )
1579 for( i = 0; i < p_vout->i_vfilters; i++ )
1581 vlc_object_detach( p_vout->pp_vfilters[i] );
1582 if( p_vout->pp_vfilters[i]->p_module )
1584 module_Unneed( p_vout->pp_vfilters[i],
1585 p_vout->pp_vfilters[i]->p_module );
1588 free( p_vout->pp_vfilters[i]->p_owner );
1589 vlc_object_release( p_vout->pp_vfilters[i] );
1591 p_vout->i_vfilters = 0;
1594 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1596 input_thread_t *p_input;
1597 mtime_t i_now, i_stop;
1599 p_input = (input_thread_t *)vlc_object_find( p_vout,
1600 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1604 i_stop = i_now + (mtime_t)(p_vout->i_title_timeout * 1000);
1605 char *psz_nowplaying =
1606 input_item_GetNowPlaying( input_GetItem( p_input ) );
1607 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1608 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1609 if( EMPTY_STR( psz_name ) )
1612 psz_name = input_item_GetName( input_GetItem( p_input ) );
1614 if( !EMPTY_STR( psz_nowplaying ) )
1616 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1617 psz_nowplaying, NULL,
1618 p_vout->i_title_position,
1619 30 + p_vout->fmt_in.i_width
1620 - p_vout->fmt_in.i_visible_width
1621 - p_vout->fmt_in.i_x_offset,
1622 20 + p_vout->fmt_in.i_y_offset,
1625 else if( !EMPTY_STR( psz_artist ) )
1627 char *psz_string = NULL;
1628 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
1630 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1632 p_vout->i_title_position,
1633 30 + p_vout->fmt_in.i_width
1634 - p_vout->fmt_in.i_visible_width
1635 - p_vout->fmt_in.i_x_offset,
1636 20 + p_vout->fmt_in.i_y_offset,
1643 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1645 p_vout->i_title_position,
1646 30 + p_vout->fmt_in.i_width
1647 - p_vout->fmt_in.i_visible_width
1648 - p_vout->fmt_in.i_x_offset,
1649 20 + p_vout->fmt_in.i_y_offset,
1652 vlc_object_release( p_input );
1655 free( psz_nowplaying );