1 /*****************************************************************************
2 * video_output.c : video output thread
4 * This module describes the programming interface for video output threads.
5 * It includes functions allowing to open a new thread, send pictures to a
6 * thread, and destroy a previously oppened video output thread.
7 *****************************************************************************
8 * Copyright (C) 2000-2007 the VideoLAN team
11 * Authors: Vincent Seguin <seguin@via.ecp.fr>
12 * Gildas Bazin <gbazin@videolan.org>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
27 *****************************************************************************/
29 /*****************************************************************************
31 *****************************************************************************/
36 #include <vlc_common.h>
38 #include <stdlib.h> /* free() */
42 #ifdef HAVE_SYS_TIMES_H
43 # include <sys/times.h>
48 #include <vlc_filter.h>
52 #if defined( __APPLE__ )
53 /* Include darwin_specific.h here if needed */
56 /** FIXME This is quite ugly but needed while we don't have counters
58 #include "input/input_internal.h"
60 #include "modules/modules.h"
61 #include "vout_pictures.h"
62 #include "vout_internal.h"
64 /*****************************************************************************
66 *****************************************************************************/
67 static int InitThread ( vout_thread_t * );
68 static void* RunThread ( vlc_object_t * );
69 static void ErrorThread ( vout_thread_t * );
70 static void CleanThread ( vout_thread_t * );
71 static void EndThread ( vout_thread_t * );
73 static void AspectRatio ( int, int *, int * );
75 static void VideoFormatImportRgb( video_format_t *, const picture_heap_t * );
76 static void PictureHeapFixRgb( picture_heap_t * );
78 static void vout_Destructor ( vlc_object_t * p_this );
80 /* Object variables callbacks */
81 static int DeinterlaceCallback( vlc_object_t *, char const *,
82 vlc_value_t, vlc_value_t, void * );
83 static int FilterCallback( vlc_object_t *, char const *,
84 vlc_value_t, vlc_value_t, void * );
85 static int VideoFilter2Callback( vlc_object_t *, char const *,
86 vlc_value_t, vlc_value_t, void * );
88 /* From vout_intf.c */
89 int vout_Snapshot( vout_thread_t *, picture_t * );
91 /* Display media title in OSD */
92 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
95 static void DropPicture( vout_thread_t *p_vout, picture_t *p_picture );
97 /*****************************************************************************
98 * Video Filter2 functions
99 *****************************************************************************/
100 static picture_t *video_new_buffer_filter( filter_t *p_filter )
102 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
103 picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
105 p_picture->i_status = READY_PICTURE;
110 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
112 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
114 DropPicture( p_vout, p_pic );
117 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
119 p_filter->pf_vout_buffer_new = video_new_buffer_filter;
120 p_filter->pf_vout_buffer_del = video_del_buffer_filter;
121 p_filter->p_owner = p_data; /* p_vout */
125 /*****************************************************************************
126 * vout_Request: find a video output thread, create one, or destroy one.
127 *****************************************************************************
128 * This function looks for a video output thread matching the current
129 * properties. If not found, it spawns a new one.
130 *****************************************************************************/
131 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
132 video_format_t *p_fmt )
134 const bool b_vout_provided = p_vout != NULL;
137 /* Video output is no longer used.
138 * TODO: support for reusing video outputs with proper _thread-safe_
139 * reference handling. */
141 vout_CloseAndRelease( p_vout );
145 /* If a video output was provided, lock it, otherwise look for one. */
148 vlc_object_hold( p_vout );
151 /* TODO: find a suitable unused video output */
153 /* If we now have a video output, check it has the right properties */
156 char *psz_filter_chain;
159 vlc_mutex_lock( &p_vout->change_lock );
161 /* We don't directly check for the "vout-filter" variable for obvious
162 * performance reasons. */
163 if( p_vout->b_filter_change )
165 var_Get( p_vout, "vout-filter", &val );
166 psz_filter_chain = val.psz_string;
168 if( psz_filter_chain && !*psz_filter_chain )
170 free( psz_filter_chain );
171 psz_filter_chain = NULL;
173 if( p_vout->psz_filter_chain && !*p_vout->psz_filter_chain )
175 free( p_vout->psz_filter_chain );
176 p_vout->psz_filter_chain = NULL;
179 if( !psz_filter_chain && !p_vout->psz_filter_chain )
181 p_vout->b_filter_change = false;
184 free( psz_filter_chain );
187 if( p_vout->fmt_render.i_chroma != p_fmt->i_chroma ||
188 p_vout->fmt_render.i_width != p_fmt->i_width ||
189 p_vout->fmt_render.i_height != p_fmt->i_height ||
190 p_vout->b_filter_change )
192 vlc_mutex_unlock( &p_vout->change_lock );
194 /* We are not interested in this format, close this vout */
195 vout_CloseAndRelease( p_vout );
196 vlc_object_release( p_vout );
201 /* This video output is cool! Hijack it. */
202 if( p_vout->fmt_render.i_aspect != p_fmt->i_aspect )
204 /* Correct aspect ratio on change
205 * FIXME factorize this code with other aspect ration related code */
206 unsigned int i_sar_num;
207 unsigned int i_sar_den;
208 unsigned int i_aspect;
210 i_aspect = p_fmt->i_aspect;
211 vlc_ureduce( &i_sar_num, &i_sar_den,
212 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
214 /* What's that, it does not seems to be used correcly everywhere
215 * beside the previous p_vout->fmt_render.i_aspect != p_fmt->i_aspect
216 * should be fixed to use it too then */
217 if( p_vout->i_par_num > 0 && p_vout->i_par_den > 0 )
219 i_sar_num *= p_vout->i_par_den;
220 i_sar_den *= p_vout->i_par_num;
221 i_aspect = i_aspect * p_vout->i_par_den / p_vout->i_par_num;
225 if( i_sar_num > 0 && i_sar_den > 0 && i_aspect > 0 )
227 p_vout->fmt_in.i_sar_num = i_sar_num;
228 p_vout->fmt_in.i_sar_den = i_sar_den;
229 p_vout->fmt_in.i_aspect = i_aspect;
231 p_vout->fmt_render.i_sar_num = i_sar_num;
232 p_vout->fmt_render.i_sar_den = i_sar_den;
233 p_vout->fmt_render.i_aspect = i_aspect;
235 p_vout->render.i_aspect = i_aspect;
237 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
241 vlc_mutex_unlock( &p_vout->change_lock );
243 vlc_object_release( p_vout );
248 msg_Dbg( p_this, "reusing provided vout" );
250 spu_Attach( p_vout->p_spu, p_this, true );
252 vlc_object_detach( p_vout );
253 vlc_object_attach( p_vout, p_this );
255 /* Display title if we are not using the vout given to vout_Request.
256 * XXX for now b_vout_provided is always true at this stage */
257 if( p_vout->b_title_show && !b_vout_provided )
258 DisplayTitleOnOSD( p_vout );
264 msg_Dbg( p_this, "no usable vout present, spawning one" );
266 p_vout = vout_Create( p_this, p_fmt );
272 /*****************************************************************************
273 * vout_Create: creates a new video output thread
274 *****************************************************************************
275 * This function creates a new video output thread, and returns a pointer
276 * to its description. On error, it returns NULL.
277 *****************************************************************************/
278 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
280 vout_thread_t * p_vout; /* thread descriptor */
281 input_thread_t * p_input_thread;
282 int i_index; /* loop variable */
283 vlc_value_t val, text;
285 unsigned int i_width = p_fmt->i_width;
286 unsigned int i_height = p_fmt->i_height;
287 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
288 unsigned int i_aspect = p_fmt->i_aspect;
290 config_chain_t *p_cfg;
294 if( i_width <= 0 || i_height <= 0 || i_aspect <= 0 )
297 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
298 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
299 if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
302 /* Allocate descriptor */
303 static const char typename[] = "video output";
304 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
309 /* Initialize pictures - translation tables and functions
310 * will be initialized later in InitThread */
311 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
313 p_vout->p_picture[i_index].pf_lock = NULL;
314 p_vout->p_picture[i_index].pf_unlock = NULL;
315 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
316 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
317 p_vout->p_picture[i_index].b_slow = 0;
320 /* No images in the heap */
321 p_vout->i_heap_size = 0;
323 /* Initialize the rendering heap */
324 I_RENDERPICTURES = 0;
326 p_vout->fmt_render = *p_fmt; /* FIXME palette */
327 p_vout->fmt_in = *p_fmt; /* FIXME palette */
329 p_vout->render.i_width = i_width;
330 p_vout->render.i_height = i_height;
331 p_vout->render.i_chroma = i_chroma;
332 p_vout->render.i_aspect = i_aspect;
334 p_vout->render.i_rmask = p_fmt->i_rmask;
335 p_vout->render.i_gmask = p_fmt->i_gmask;
336 p_vout->render.i_bmask = p_fmt->i_bmask;
338 p_vout->render.i_last_used_pic = -1;
339 p_vout->render.b_allow_modify_pics = 1;
341 /* Zero the output heap */
342 I_OUTPUTPICTURES = 0;
343 p_vout->output.i_width = 0;
344 p_vout->output.i_height = 0;
345 p_vout->output.i_chroma = 0;
346 p_vout->output.i_aspect = 0;
348 p_vout->output.i_rmask = 0;
349 p_vout->output.i_gmask = 0;
350 p_vout->output.i_bmask = 0;
352 /* Initialize misc stuff */
353 p_vout->i_changes = 0;
355 p_vout->b_grayscale = 0;
357 p_vout->b_interface = 0;
359 p_vout->b_fullscreen = 0;
360 p_vout->i_alignment = 0;
361 p_vout->render_time = 10;
362 p_vout->c_fps_samples = 0;
363 p_vout->b_filter_change = 0;
364 p_vout->pf_control = NULL;
365 p_vout->p_window = NULL;
366 p_vout->i_par_num = p_vout->i_par_den = 1;
368 /* Initialize locks */
369 vlc_mutex_init( &p_vout->picture_lock );
370 vlc_mutex_init( &p_vout->change_lock );
371 vlc_mutex_init( &p_vout->vfilter_lock );
373 /* Mouse coordinates */
374 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
375 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
376 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
377 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
378 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
380 /* Initialize subpicture unit */
381 p_vout->p_spu = spu_Create( p_vout );
382 spu_Attach( p_vout->p_spu, p_parent, true );
384 /* Attach the new object now so we can use var inheritance below */
385 vlc_object_attach( p_vout, p_parent );
387 spu_Init( p_vout->p_spu );
389 /* Take care of some "interface/control" related initialisations */
390 vout_IntfInit( p_vout );
392 /* If the parent is not a VOUT object, that means we are at the start of
393 * the video output pipe */
394 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
396 /* Look for the default filter configuration */
397 p_vout->psz_filter_chain =
398 var_CreateGetStringCommand( p_vout, "vout-filter" );
400 /* Apply video filter2 objects on the first vout */
402 var_CreateGetStringCommand( p_vout, "video-filter" );
406 /* continue the parent's filter chain */
409 /* Ugly hack to jump to our configuration chain */
410 p_vout->psz_filter_chain
411 = ((vout_thread_t *)p_parent)->psz_filter_chain;
412 p_vout->psz_filter_chain
413 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->psz_filter_chain );
414 config_ChainDestroy( p_cfg );
417 /* Create a video filter2 var ... but don't inherit values */
418 var_Create( p_vout, "video-filter",
419 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
420 p_vout->psz_vf2 = var_GetString( p_vout, "video-filter" );
423 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
424 p_vout->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
425 false, video_filter_buffer_allocation_init, NULL, p_vout );
427 /* Choose the video output module */
428 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
430 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
431 var_Get( p_vout, "vout", &val );
432 psz_parser = val.psz_string;
436 psz_parser = strdup( p_vout->psz_filter_chain );
437 p_vout->b_title_show = false;
440 /* Create the vout thread */
441 char* psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
444 p_vout->p_cfg = p_cfg;
445 p_vout->p_module = module_need( p_vout,
446 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
447 "video filter" : "video output", psz_name, p_vout->psz_filter_chain && *p_vout->psz_filter_chain );
450 if( p_vout->p_module == NULL )
452 msg_Err( p_vout, "no suitable vout module" );
453 // FIXME it's ugly but that's exactly the function that need to be called.
455 vlc_object_detach( p_vout );
456 vlc_object_release( p_vout );
460 /* Create a few object variables for interface interaction */
461 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
462 text.psz_string = _("Deinterlace");
463 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
464 val.psz_string = (char *)""; text.psz_string = _("Disable");
465 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
466 val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
467 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
468 val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
469 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
470 val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
471 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
472 val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
473 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
474 val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
475 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
476 val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
477 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
479 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
481 var_Set( p_vout, "deinterlace", val );
482 free( val.psz_string );
484 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
486 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
487 text.psz_string = _("Filters");
488 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
489 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
491 /* Calculate delay created by internal caching */
492 p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
493 VLC_OBJECT_INPUT, FIND_ANYWHERE );
496 p_vout->i_pts_delay = p_input_thread->i_pts_delay;
497 vlc_object_release( p_input_thread );
501 p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
504 if( vlc_thread_create( p_vout, "video output", RunThread,
505 VLC_THREAD_PRIORITY_OUTPUT, true ) )
507 module_unneed( p_vout, p_vout->p_module );
508 vlc_object_release( p_vout );
512 vlc_object_set_destructor( p_vout, vout_Destructor );
514 if( p_vout->b_error )
516 msg_Err( p_vout, "video output creation failed" );
517 vout_CloseAndRelease( p_vout );
524 /*****************************************************************************
525 * vout_Close: Close a vout created by vout_Create.
526 *****************************************************************************
527 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
528 * You should NEVER call it on vout not obtained through vout_Create
529 * (like with vout_Request or vlc_object_find.)
530 * You can use vout_CloseAndRelease() as a convenient method.
531 *****************************************************************************/
532 void vout_Close( vout_thread_t *p_vout )
536 vlc_object_kill( p_vout );
537 vlc_thread_join( p_vout );
538 module_unneed( p_vout, p_vout->p_module );
539 p_vout->p_module = NULL;
543 static void vout_Destructor( vlc_object_t * p_this )
545 vout_thread_t *p_vout = (vout_thread_t *)p_this;
547 /* Make sure the vout was stopped first */
548 assert( !p_vout->p_module );
550 /* Destroy the locks */
551 vlc_mutex_destroy( &p_vout->picture_lock );
552 vlc_mutex_destroy( &p_vout->change_lock );
553 vlc_mutex_destroy( &p_vout->vfilter_lock );
555 free( p_vout->psz_filter_chain );
557 config_ChainDestroy( p_vout->p_cfg );
560 vout_thread_t *p_another_vout;
562 /* This is a dirty hack mostly for Linux, where there is no way to get the
563 * GUI back if you closed it while playing video. This is solved in
564 * Mac OS X, where we have this novelty called menubar, that will always
565 * allow you access to the applications main functionality. They should try
566 * that on linux sometime. */
567 p_another_vout = vlc_object_find( p_this->p_libvlc,
568 VLC_OBJECT_VOUT, FIND_ANYWHERE );
569 if( p_another_vout == NULL )
570 var_SetBool( p_this->p_libvlc, "intf-show", true );
572 vlc_object_release( p_another_vout );
576 /*****************************************************************************
577 * InitThread: initialize video output thread
578 *****************************************************************************
579 * This function is called from RunThread and performs the second step of the
580 * initialization. It returns 0 on success. Note that the thread's flag are not
581 * modified inside this function.
582 * XXX You have to enter it with change_lock taken.
583 *****************************************************************************/
584 static int ChromaCreate( vout_thread_t *p_vout );
585 static void ChromaDestroy( vout_thread_t *p_vout );
587 static bool ChromaIsEqual( const picture_heap_t *p_output, const picture_heap_t *p_render )
589 if( !vout_ChromaCmp( p_output->i_chroma, p_render->i_chroma ) )
592 if( p_output->i_chroma != FOURCC_RV15 &&
593 p_output->i_chroma != FOURCC_RV16 &&
594 p_output->i_chroma != FOURCC_RV24 &&
595 p_output->i_chroma != FOURCC_RV32 )
598 return p_output->i_rmask == p_render->i_rmask &&
599 p_output->i_gmask == p_render->i_gmask &&
600 p_output->i_bmask == p_render->i_bmask;
603 static int InitThread( vout_thread_t *p_vout )
605 int i, i_aspect_x, i_aspect_y;
611 /* Initialize output method, it allocates direct buffers for us */
612 if( p_vout->pf_init( p_vout ) )
615 if( !I_OUTPUTPICTURES )
617 msg_Err( p_vout, "plugin was unable to allocate at least "
618 "one direct buffer" );
619 p_vout->pf_end( p_vout );
623 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
625 msg_Err( p_vout, "plugin allocated too many direct buffers, "
626 "our internal buffers must have overflown." );
627 p_vout->pf_end( p_vout );
631 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
633 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
635 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
636 "chroma %4.4s, ar %i:%i, sar %i:%i",
637 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
638 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
639 p_vout->fmt_render.i_visible_width,
640 p_vout->fmt_render.i_visible_height,
641 (char*)&p_vout->fmt_render.i_chroma,
642 i_aspect_x, i_aspect_y,
643 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
645 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
647 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
648 "chroma %4.4s, ar %i:%i, sar %i:%i",
649 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
650 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
651 p_vout->fmt_in.i_visible_width,
652 p_vout->fmt_in.i_visible_height,
653 (char*)&p_vout->fmt_in.i_chroma,
654 i_aspect_x, i_aspect_y,
655 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
657 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
659 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
660 p_vout->output.i_width;
661 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
662 p_vout->output.i_height;
663 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
665 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
666 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
668 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
670 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
671 p_vout->fmt_out.i_height;
672 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
673 p_vout->fmt_out.i_width;
676 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
677 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
679 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
681 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
682 "chroma %4.4s, ar %i:%i, sar %i:%i",
683 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
684 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
685 p_vout->fmt_out.i_visible_width,
686 p_vout->fmt_out.i_visible_height,
687 (char*)&p_vout->fmt_out.i_chroma,
688 i_aspect_x, i_aspect_y,
689 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
691 /* FIXME removed the need of both fmt_* and heap infos */
692 /* Calculate shifts from system-updated masks */
693 PictureHeapFixRgb( &p_vout->render );
694 VideoFormatImportRgb( &p_vout->fmt_render, &p_vout->render );
696 PictureHeapFixRgb( &p_vout->output );
697 VideoFormatImportRgb( &p_vout->fmt_out, &p_vout->output );
699 /* Check whether we managed to create direct buffers similar to
700 * the render buffers, ie same size and chroma */
701 if( ( p_vout->output.i_width == p_vout->render.i_width )
702 && ( p_vout->output.i_height == p_vout->render.i_height )
703 && ( ChromaIsEqual( &p_vout->output, &p_vout->render ) ) )
705 /* Cool ! We have direct buffers, we can ask the decoder to
706 * directly decode into them ! Map the first render buffers to
707 * the first direct buffers, but keep the first direct buffer
708 * for memcpy operations */
709 p_vout->b_direct = 1;
711 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
713 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
714 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
715 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
717 /* We have enough direct buffers so there's no need to
718 * try to use system memory buffers. */
721 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
725 msg_Dbg( p_vout, "direct render, mapping "
726 "render pictures 0-%i to system pictures 1-%i",
727 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
731 /* Rats... Something is wrong here, we could not find an output
732 * plugin able to directly render what we decode. See if we can
733 * find a chroma plugin to do the conversion */
734 p_vout->b_direct = 0;
736 if( ChromaCreate( p_vout ) )
738 p_vout->pf_end( p_vout );
742 msg_Dbg( p_vout, "indirect render, mapping "
743 "render pictures 0-%i to system pictures %i-%i",
744 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
745 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
747 /* Append render buffers after the direct buffers */
748 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
750 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
753 /* Check if we have enough render pictures */
754 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
759 /* Link pictures back to their heap */
760 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
762 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
765 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
767 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
773 /*****************************************************************************
774 * RunThread: video output thread
775 *****************************************************************************
776 * Video output thread. This function does only returns when the thread is
777 * terminated. It handles the pictures arriving in the video heap and the
778 * display device events.
779 *****************************************************************************/
780 static void* RunThread( vlc_object_t *p_this )
782 vout_thread_t *p_vout = (vout_thread_t *)p_this;
783 int i_idle_loops = 0; /* loops without displaying a picture */
785 picture_t * p_last_picture = NULL; /* last picture */
787 subpicture_t * p_subpic = NULL; /* subpicture pointer */
791 int i_displayed = 0, i_lost = 0;
792 int canc = vlc_savecancel ();
797 vlc_mutex_lock( &p_vout->change_lock );
798 p_vout->b_error = InitThread( p_vout );
800 b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
802 /* signal the creation of the vout */
803 vlc_thread_ready( p_vout );
805 if( p_vout->b_error )
808 vlc_mutex_unlock( &p_vout->change_lock );
809 vlc_restorecancel (canc);
813 vlc_object_lock( p_vout );
815 if( p_vout->b_title_show )
816 DisplayTitleOnOSD( p_vout );
819 * Main loop - it is not executed if an error occurred during
822 while( vlc_object_alive( p_vout ) && !p_vout->b_error )
824 /* Initialize loop variables */
825 const mtime_t current_date = mdate();
826 picture_t *p_picture = NULL;
827 picture_t *p_filtered_picture;
828 mtime_t display_date = 0;
829 picture_t *p_directbuffer;
830 input_thread_t *p_input;
835 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
837 msg_Dbg( p_vout, "picture heap: %d/%d",
838 I_RENDERPICTURES, p_vout->i_heap_size );
842 /* Update statistics */
843 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
846 vlc_mutex_lock( &p_input->p->counters.counters_lock );
847 stats_UpdateInteger( p_vout, p_input->p->counters.p_lost_pictures,
849 stats_UpdateInteger( p_vout,
850 p_input->p->counters.p_displayed_pictures,
852 i_displayed = i_lost = 0;
853 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
854 vlc_object_release( p_input );
858 * Find the picture to display (the one with the earliest date).
859 * This operation does not need lock, since only READY_PICTUREs
861 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
863 picture_t *p_pic = PP_RENDERPICTURE[i_index];
865 if( p_pic->i_status == READY_PICTURE &&
866 ( p_picture == NULL || p_pic->date < display_date ) )
869 display_date = p_picture->date;
875 /* If we met the last picture, parse again to see whether there is
876 * a more appropriate one. */
877 if( p_picture == p_last_picture )
879 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
881 picture_t *p_pic = PP_RENDERPICTURE[i_index];
883 if( p_pic->i_status == READY_PICTURE &&
884 p_pic != p_last_picture &&
885 ( p_picture == p_last_picture || p_pic->date < display_date ) )
888 display_date = p_picture->date;
893 /* If we found better than the last picture, destroy it */
894 if( p_last_picture && p_picture != p_last_picture )
896 DropPicture( p_vout, p_last_picture );
897 p_last_picture = NULL;
900 /* Compute FPS rate */
901 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
904 if( !p_picture->b_force &&
905 p_picture != p_last_picture &&
906 display_date < current_date + p_vout->render_time &&
909 /* Picture is late: it will be destroyed and the thread
910 * will directly choose the next picture */
911 DropPicture( p_vout, p_picture );
913 msg_Warn( p_vout, "late picture skipped (%"PRId64")",
914 current_date - display_date );
919 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
921 /* Picture is waaay too early: it will be destroyed */
922 DropPicture( p_vout, p_picture );
924 msg_Warn( p_vout, "vout warning: early picture skipped "
925 "(%"PRId64")", display_date - current_date
926 - p_vout->i_pts_delay );
930 if( display_date > current_date + VOUT_DISPLAY_DELAY )
932 /* A picture is ready to be rendered, but its rendering date
933 * is far from the current one so the thread will perform an
934 * empty loop as if no picture were found. The picture state
939 else if( p_picture == p_last_picture )
941 /* We are asked to repeat the previous picture, but we first
942 * wait for a couple of idle loops */
943 if( i_idle_loops < 4 )
950 /* We set the display date to something high, otherwise
951 * we'll have lots of problems with late pictures */
952 display_date = current_date + p_vout->render_time;
957 if( p_picture == NULL )
960 p_filtered_picture = NULL;
962 p_filtered_picture = filter_chain_VideoFilter( p_vout->p_vf2_chain,
965 /* FIXME it is a bit ugly that b_snapshot is not locked but I do not
966 * know which lock to use (here and in the snapshot callback) */
967 const bool b_snapshot = p_vout->b_snapshot;
969 p_vout->b_snapshot = false;
972 * Check for subpictures to display
974 bool b_paused = false;
975 if( display_date > 0 )
977 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
978 b_paused = p_input && var_GetInteger( p_input, "state" ) == PAUSE_S;
980 vlc_object_release( p_input );
982 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date, b_paused, b_snapshot );
989 p_directbuffer = vout_RenderPicture( p_vout, p_filtered_picture, p_subpic, b_paused );
992 * Take a snapshot if requested
994 if( p_directbuffer && b_snapshot )
995 vout_Snapshot( p_vout, p_directbuffer );
998 * Call the plugin-specific rendering method if there is one
1000 if( p_filtered_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1002 /* Render the direct buffer returned by vout_RenderPicture */
1003 p_vout->pf_render( p_vout, p_directbuffer );
1009 if( display_date != 0 && p_directbuffer != NULL )
1011 mtime_t current_render_time = mdate() - current_date;
1012 /* if render time is very large we don't include it in the mean */
1013 if( current_render_time < p_vout->render_time +
1014 VOUT_DISPLAY_DELAY )
1016 /* Store render time using a sliding mean weighting to
1017 * current value in a 3 to 1 ratio*/
1018 p_vout->render_time *= 3;
1019 p_vout->render_time += current_render_time;
1020 p_vout->render_time >>= 2;
1024 /* Give back change lock */
1025 vlc_mutex_unlock( &p_vout->change_lock );
1027 vlc_object_unlock( p_vout );
1029 /* Sleep a while or until a given date */
1030 if( display_date != 0 )
1032 /* If there are filters in the chain, better give them the picture
1034 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1036 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1041 msleep( VOUT_IDLE_SLEEP );
1044 /* On awakening, take back lock and send immediately picture
1046 vlc_object_lock( p_vout );
1047 /* Note: vlc_object_alive() could be false here, and we
1049 vlc_mutex_lock( &p_vout->change_lock );
1052 * Display the previously rendered picture
1054 if( p_filtered_picture != NULL && p_directbuffer != NULL )
1056 /* Display the direct buffer returned by vout_RenderPicture */
1057 if( p_vout->pf_display )
1058 p_vout->pf_display( p_vout, p_directbuffer );
1060 /* Tell the vout this was the last picture and that it does not
1061 * need to be forced anymore. */
1062 p_last_picture = p_picture;
1063 p_last_picture->b_force = false;
1066 /* Drop the filtered picture if created by video filters */
1067 if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1068 DropPicture( p_vout, p_filtered_picture );
1070 if( p_picture != NULL )
1072 /* Reinitialize idle loop count */
1077 * Check events and manage thread
1079 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1081 /* A fatal error occurred, and the thread must terminate
1082 * immediately, without displaying anything - setting b_error to 1
1083 * causes the immediate end of the main while() loop. */
1085 p_vout->b_error = 1;
1089 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1091 /* this must only happen when the vout plugin is incapable of
1092 * rescaling the picture itself. In this case we need to destroy
1093 * the current picture buffers and recreate new ones with the right
1097 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1099 assert( !p_vout->b_direct );
1101 ChromaDestroy( p_vout );
1103 vlc_mutex_lock( &p_vout->picture_lock );
1105 p_vout->pf_end( p_vout );
1107 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1108 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1110 I_OUTPUTPICTURES = 0;
1112 if( p_vout->pf_init( p_vout ) )
1114 msg_Err( p_vout, "cannot resize display" );
1115 /* FIXME: pf_end will be called again in EndThread() */
1116 p_vout->b_error = 1;
1119 vlc_mutex_unlock( &p_vout->picture_lock );
1121 /* Need to reinitialise the chroma plugin. Since we might need
1122 * resizing too and it's not sure that we already had it,
1123 * recreate the chroma plugin chain from scratch. */
1125 if( ChromaCreate( p_vout ) )
1127 msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
1128 p_vout->b_error = 1;
1130 if( p_vout->b_error )
1134 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1136 /* This happens when the picture buffers need to be recreated.
1137 * This is useful on multimonitor displays for instance.
1139 * Warning: This only works when the vout creates only 1 picture
1141 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1143 if( !p_vout->b_direct )
1144 ChromaDestroy( p_vout );
1146 vlc_mutex_lock( &p_vout->picture_lock );
1148 p_vout->pf_end( p_vout );
1150 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1152 p_vout->b_error = InitThread( p_vout );
1153 if( p_vout->b_error )
1154 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed\n" );
1156 vlc_mutex_unlock( &p_vout->picture_lock );
1158 if( p_vout->b_error )
1162 /* Check for "video filter2" changes */
1163 vlc_mutex_lock( &p_vout->vfilter_lock );
1164 if( p_vout->psz_vf2 )
1168 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1169 fmt.video = p_vout->fmt_render;
1170 filter_chain_Reset( p_vout->p_vf2_chain, &fmt, &fmt );
1172 if( filter_chain_AppendFromString( p_vout->p_vf2_chain,
1173 p_vout->psz_vf2 ) < 0 )
1174 msg_Err( p_vout, "Video filter chain creation failed" );
1176 free( p_vout->psz_vf2 );
1177 p_vout->psz_vf2 = NULL;
1179 vlc_mutex_unlock( &p_vout->vfilter_lock );
1183 * Error loop - wait until the thread destruction is requested
1185 if( p_vout->b_error )
1186 ErrorThread( p_vout );
1189 CleanThread( p_vout );
1190 EndThread( p_vout );
1191 vlc_mutex_unlock( &p_vout->change_lock );
1193 vlc_object_unlock( p_vout );
1194 vlc_restorecancel (canc);
1198 /*****************************************************************************
1199 * ErrorThread: RunThread() error loop
1200 *****************************************************************************
1201 * This function is called when an error occurred during thread main's loop.
1202 * The thread can still receive feed, but must be ready to terminate as soon
1204 *****************************************************************************/
1205 static void ErrorThread( vout_thread_t *p_vout )
1207 /* Wait until a `die' order */
1208 while( vlc_object_alive( p_vout ) )
1209 vlc_object_wait( p_vout );
1212 /*****************************************************************************
1213 * CleanThread: clean up after InitThread
1214 *****************************************************************************
1215 * This function is called after a sucessful
1216 * initialization. It frees all resources allocated by InitThread.
1217 * XXX You have to enter it with change_lock taken.
1218 *****************************************************************************/
1219 static void CleanThread( vout_thread_t *p_vout )
1221 int i_index; /* index in heap */
1223 if( !p_vout->b_direct )
1224 ChromaDestroy( p_vout );
1226 /* Destroy all remaining pictures */
1227 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1229 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1231 free( p_vout->p_picture[i_index].p_data_orig );
1235 /* Destroy translation tables */
1236 if( !p_vout->b_error )
1237 p_vout->pf_end( p_vout );
1240 /*****************************************************************************
1241 * EndThread: thread destruction
1242 *****************************************************************************
1243 * This function is called when the thread ends.
1244 * It frees all resources not allocated by InitThread.
1245 * XXX You have to enter it with change_lock taken.
1246 *****************************************************************************/
1247 static void EndThread( vout_thread_t *p_vout )
1251 struct tms cpu_usage;
1252 times( &cpu_usage );
1254 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1255 cpu_usage.tms_utime, cpu_usage.tms_stime );
1259 /* FIXME does that function *really* need to be called inside the thread ? */
1261 /* Destroy subpicture unit */
1262 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1263 spu_Destroy( p_vout->p_spu );
1265 /* Destroy the video filters2 */
1266 filter_chain_Delete( p_vout->p_vf2_chain );
1269 /* Thread helpers */
1270 static picture_t *ChromaGetPicture( filter_t *p_filter )
1272 picture_t *p_pic = (picture_t *)p_filter->p_owner;
1273 p_filter->p_owner = NULL;
1277 static int ChromaCreate( vout_thread_t *p_vout )
1279 static const char typename[] = "chroma";
1282 /* Choose the best module */
1283 p_chroma = p_vout->p_chroma =
1284 vlc_custom_create( p_vout, sizeof(filter_t), VLC_OBJECT_GENERIC,
1287 vlc_object_attach( p_chroma, p_vout );
1289 /* TODO: Set the fmt_in and fmt_out stuff here */
1290 p_chroma->fmt_in.video = p_vout->fmt_render;
1291 p_chroma->fmt_out.video = p_vout->fmt_out;
1292 VideoFormatImportRgb( &p_chroma->fmt_in.video, &p_vout->render );
1293 VideoFormatImportRgb( &p_chroma->fmt_out.video, &p_vout->output );
1295 p_chroma->p_module = module_need( p_chroma, "video filter2", NULL, 0 );
1297 if( p_chroma->p_module == NULL )
1299 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s i=%dx%d o=%dx%d",
1300 (char*)&p_vout->render.i_chroma,
1301 (char*)&p_vout->output.i_chroma,
1302 p_chroma->fmt_in.video.i_width, p_chroma->fmt_in.video.i_height,
1303 p_chroma->fmt_out.video.i_width, p_chroma->fmt_out.video.i_height
1306 vlc_object_release( p_vout->p_chroma );
1307 p_vout->p_chroma = NULL;
1308 return VLC_EGENERIC;
1310 p_chroma->pf_vout_buffer_new = ChromaGetPicture;
1314 static void ChromaDestroy( vout_thread_t *p_vout )
1316 assert( !p_vout->b_direct );
1318 if( !p_vout->p_chroma )
1321 module_unneed( p_vout->p_chroma, p_vout->p_chroma->p_module );
1322 vlc_object_release( p_vout->p_chroma );
1323 p_vout->p_chroma = NULL;
1326 static void DropPicture( vout_thread_t *p_vout, picture_t *p_picture )
1328 vlc_mutex_lock( &p_vout->picture_lock );
1329 if( p_picture->i_refcount )
1331 /* Pretend we displayed the picture, but don't destroy
1332 * it since the decoder might still need it. */
1333 p_picture->i_status = DISPLAYED_PICTURE;
1337 /* Destroy the picture without displaying it */
1338 p_picture->i_status = DESTROYED_PICTURE;
1339 p_vout->i_heap_size--;
1340 picture_CleanupQuant( p_picture );
1342 vlc_mutex_unlock( &p_vout->picture_lock );
1347 /* following functions are local */
1349 static int ReduceHeight( int i_ratio )
1351 int i_dummy = VOUT_ASPECT_FACTOR;
1359 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1360 while( !(i_ratio & 1) && !(i_dummy & 1) )
1367 while( !(i_ratio % 3) && !(i_dummy % 3) )
1374 while( !(i_ratio % 5) && !(i_dummy % 5) )
1384 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1386 unsigned int i_pgcd = ReduceHeight( i_aspect );
1387 *i_aspect_x = i_aspect / i_pgcd;
1388 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1392 * This function copies all RGB informations from a picture_heap_t into
1395 static void VideoFormatImportRgb( video_format_t *p_fmt, const picture_heap_t *p_heap )
1397 p_fmt->i_rmask = p_heap->i_rmask;
1398 p_fmt->i_gmask = p_heap->i_gmask;
1399 p_fmt->i_bmask = p_heap->i_bmask;
1400 p_fmt->i_rrshift = p_heap->i_rrshift;
1401 p_fmt->i_lrshift = p_heap->i_lrshift;
1402 p_fmt->i_rgshift = p_heap->i_rgshift;
1403 p_fmt->i_lgshift = p_heap->i_lgshift;
1404 p_fmt->i_rbshift = p_heap->i_rbshift;
1405 p_fmt->i_lbshift = p_heap->i_lbshift;
1409 * This funtion copes all RGB informations from a video_format_t into
1412 static void VideoFormatExportRgb( const video_format_t *p_fmt, picture_heap_t *p_heap )
1414 p_heap->i_rmask = p_fmt->i_rmask;
1415 p_heap->i_gmask = p_fmt->i_gmask;
1416 p_heap->i_bmask = p_fmt->i_bmask;
1417 p_heap->i_rrshift = p_fmt->i_rrshift;
1418 p_heap->i_lrshift = p_fmt->i_lrshift;
1419 p_heap->i_rgshift = p_fmt->i_rgshift;
1420 p_heap->i_lgshift = p_fmt->i_lgshift;
1421 p_heap->i_rbshift = p_fmt->i_rbshift;
1422 p_heap->i_lbshift = p_fmt->i_lbshift;
1426 * This function computes rgb shifts from masks
1428 static void PictureHeapFixRgb( picture_heap_t *p_heap )
1433 fmt.i_chroma = p_heap->i_chroma;
1434 VideoFormatImportRgb( &fmt, p_heap );
1437 video_format_FixRgb( &fmt );
1439 VideoFormatExportRgb( &fmt, p_heap );
1442 /*****************************************************************************
1443 * object variables callbacks: a bunch of object variables are used by the
1444 * interfaces to interact with the vout.
1445 *****************************************************************************/
1446 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1447 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1449 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1450 input_thread_t *p_input;
1453 char *psz_mode = newval.psz_string;
1454 char *psz_filter, *psz_deinterlace = NULL;
1455 (void)psz_cmd; (void)oldval; (void)p_data;
1457 var_Get( p_vout, "vout-filter", &val );
1458 psz_filter = val.psz_string;
1459 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1461 if( !psz_mode || !*psz_mode )
1463 if( psz_deinterlace )
1465 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1466 if( psz_src[0] == ':' ) psz_src++;
1467 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1470 else if( !psz_deinterlace )
1472 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1473 sizeof(":deinterlace") );
1474 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1475 strcat( psz_filter, "deinterlace" );
1478 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1480 if( !p_input ) return VLC_EGENERIC;
1482 if( psz_mode && *psz_mode )
1484 /* Modify input as well because the vout might have to be restarted */
1485 val.psz_string = psz_mode;
1486 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1487 var_Set( p_input, "deinterlace-mode", val );
1489 vlc_object_release( p_input );
1492 var_Set( p_vout, "intf-change", val );
1494 val.psz_string = psz_filter;
1495 var_Set( p_vout, "vout-filter", val );
1501 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1502 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1504 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1505 input_thread_t *p_input;
1507 (void)psz_cmd; (void)oldval; (void)p_data;
1509 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1513 msg_Err( p_vout, "Input not found" );
1514 return( VLC_EGENERIC );
1518 var_Set( p_vout, "intf-change", val );
1520 /* Modify input as well because the vout might have to be restarted */
1521 val.psz_string = newval.psz_string;
1522 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1524 var_Set( p_input, "vout-filter", val );
1526 /* Now restart current video stream */
1527 input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1528 vlc_object_release( p_input );
1533 /*****************************************************************************
1534 * Video Filter2 stuff
1535 *****************************************************************************/
1536 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1537 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1539 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1540 (void)psz_cmd; (void)oldval; (void)p_data;
1542 vlc_mutex_lock( &p_vout->vfilter_lock );
1543 p_vout->psz_vf2 = strdup( newval.psz_string );
1544 vlc_mutex_unlock( &p_vout->vfilter_lock );
1549 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1551 input_thread_t *p_input;
1552 mtime_t i_now, i_stop;
1554 if( !config_GetInt( p_vout, "osd" ) ) return;
1556 p_input = (input_thread_t *)vlc_object_find( p_vout,
1557 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1561 i_stop = i_now + (mtime_t)(p_vout->i_title_timeout * 1000);
1562 char *psz_nowplaying =
1563 input_item_GetNowPlaying( input_GetItem( p_input ) );
1564 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1565 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1566 if( EMPTY_STR( psz_name ) )
1569 psz_name = input_item_GetName( input_GetItem( p_input ) );
1571 if( !EMPTY_STR( psz_nowplaying ) )
1573 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1574 psz_nowplaying, NULL,
1575 p_vout->i_title_position,
1576 30 + p_vout->fmt_in.i_width
1577 - p_vout->fmt_in.i_visible_width
1578 - p_vout->fmt_in.i_x_offset,
1579 20 + p_vout->fmt_in.i_y_offset,
1582 else if( !EMPTY_STR( psz_artist ) )
1584 char *psz_string = NULL;
1585 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
1587 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1589 p_vout->i_title_position,
1590 30 + p_vout->fmt_in.i_width
1591 - p_vout->fmt_in.i_visible_width
1592 - p_vout->fmt_in.i_x_offset,
1593 20 + p_vout->fmt_in.i_y_offset,
1600 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1602 p_vout->i_title_position,
1603 30 + p_vout->fmt_in.i_width
1604 - p_vout->fmt_in.i_visible_width
1605 - p_vout->fmt_in.i_x_offset,
1606 20 + p_vout->fmt_in.i_y_offset,
1609 vlc_object_release( p_input );
1612 free( psz_nowplaying );