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>
51 #if defined( __APPLE__ )
52 /* Include darwin_specific.h here if needed */
55 /** FIXME This is quite ugly but needed while we don't have counters
57 #include "input/input_internal.h"
59 #include "modules/modules.h"
61 /*****************************************************************************
63 *****************************************************************************/
64 static int InitThread ( vout_thread_t * );
65 static void RunThread ( vout_thread_t * );
66 static void ErrorThread ( vout_thread_t * );
67 static void EndThread ( vout_thread_t * );
69 static void AspectRatio ( int, int *, int * );
70 static int BinaryLog ( uint32_t );
71 static void MaskToShift ( int *, int *, uint32_t );
73 static void vout_Destructor ( vlc_object_t * p_this );
75 /* Object variables callbacks */
76 static int DeinterlaceCallback( vlc_object_t *, char const *,
77 vlc_value_t, vlc_value_t, void * );
78 static int FilterCallback( vlc_object_t *, char const *,
79 vlc_value_t, vlc_value_t, void * );
80 static int VideoFilter2Callback( vlc_object_t *, char const *,
81 vlc_value_t, vlc_value_t, void * );
83 /* From vout_intf.c */
84 int vout_Snapshot( vout_thread_t *, picture_t * );
86 /* Display media title in OSD */
87 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
89 /*****************************************************************************
90 * Video Filter2 functions
91 *****************************************************************************/
92 static picture_t *video_new_buffer_filter( filter_t *p_filter )
95 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
97 p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
102 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
104 vout_DestroyPicture( (vout_thread_t*)p_filter->p_owner, p_pic );
107 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
109 p_filter->pf_vout_buffer_new = video_new_buffer_filter;
110 p_filter->pf_vout_buffer_del = video_del_buffer_filter;
111 p_filter->p_owner = p_data; /* p_vout */
115 /*****************************************************************************
116 * vout_Request: find a video output thread, create one, or destroy one.
117 *****************************************************************************
118 * This function looks for a video output thread matching the current
119 * properties. If not found, it spawns a new one.
120 *****************************************************************************/
121 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
122 video_format_t *p_fmt )
126 /* Reattach video output to the instance before bailing out */
129 spu_Attach( p_vout->p_spu, p_this, false );
130 vlc_object_detach( p_vout );
131 vlc_object_attach( p_vout, p_this->p_libvlc );
136 /* If a video output was provided, lock it, otherwise look for one. */
139 vlc_object_yield( p_vout );
143 p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_CHILD );
147 p_vout = vlc_object_find( p_this->p_libvlc,
148 VLC_OBJECT_VOUT, FIND_CHILD );
149 /* only first children of p_input for unused vout */
150 if( p_vout && p_vout->p_parent != VLC_OBJECT(p_this->p_libvlc) )
152 vlc_object_release( p_vout );
156 vlc_object_detach( p_vout ); /* Remove it from the GC */
160 /* If we now have a video output, check it has the right properties */
163 char *psz_filter_chain;
166 /* We don't directly check for the "vout-filter" variable for obvious
167 * performance reasons. */
168 if( p_vout->b_filter_change )
170 var_Get( p_vout, "vout-filter", &val );
171 psz_filter_chain = val.psz_string;
173 if( psz_filter_chain && !*psz_filter_chain )
175 free( psz_filter_chain );
176 psz_filter_chain = NULL;
178 if( p_vout->psz_filter_chain && !*p_vout->psz_filter_chain )
180 free( p_vout->psz_filter_chain );
181 p_vout->psz_filter_chain = NULL;
184 if( !psz_filter_chain && !p_vout->psz_filter_chain )
186 p_vout->b_filter_change = false;
189 free( psz_filter_chain );
192 if( ( p_vout->fmt_render.i_width != p_fmt->i_width ) ||
193 ( p_vout->fmt_render.i_height != p_fmt->i_height ) ||
194 ( p_vout->fmt_render.i_aspect != p_fmt->i_aspect ) ||
195 p_vout->b_filter_change )
197 /* We are not interested in this format, close this vout */
198 vlc_object_release( p_vout );
199 vlc_object_release( p_vout );
204 /* This video output is cool! Hijack it. */
205 spu_Attach( p_vout->p_spu, p_this, true );
206 vlc_object_attach( p_vout, p_this );
207 if( p_vout->b_title_show )
208 DisplayTitleOnOSD( p_vout );
209 vlc_object_release( p_vout );
215 msg_Dbg( p_this, "no usable vout present, spawning one" );
217 p_vout = vout_Create( p_this, p_fmt );
223 /*****************************************************************************
224 * vout_Create: creates a new video output thread
225 *****************************************************************************
226 * This function creates a new video output thread, and returns a pointer
227 * to its description. On error, it returns NULL.
228 *****************************************************************************/
229 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
231 vout_thread_t * p_vout; /* thread descriptor */
232 input_thread_t * p_input_thread;
233 int i_index; /* loop variable */
234 vlc_value_t val, text;
236 unsigned int i_width = p_fmt->i_width;
237 unsigned int i_height = p_fmt->i_height;
238 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
239 unsigned int i_aspect = p_fmt->i_aspect;
241 config_chain_t *p_cfg;
245 /* Allocate descriptor */
246 static const char typename[] = "video output";
247 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
252 /* Initialize pictures - translation tables and functions
253 * will be initialized later in InitThread */
254 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
256 p_vout->p_picture[i_index].pf_lock = NULL;
257 p_vout->p_picture[i_index].pf_unlock = NULL;
258 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
259 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
260 p_vout->p_picture[i_index].b_slow = 0;
263 /* No images in the heap */
264 p_vout->i_heap_size = 0;
266 /* Initialize the rendering heap */
267 I_RENDERPICTURES = 0;
269 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
270 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
271 p_vout->fmt_render = *p_fmt; /* FIXME palette */
272 p_vout->fmt_in = *p_fmt; /* FIXME palette */
274 p_vout->render.i_width = i_width;
275 p_vout->render.i_height = i_height;
276 p_vout->render.i_chroma = i_chroma;
277 p_vout->render.i_aspect = i_aspect;
279 p_vout->render.i_rmask = 0;
280 p_vout->render.i_gmask = 0;
281 p_vout->render.i_bmask = 0;
283 p_vout->render.i_last_used_pic = -1;
284 p_vout->render.b_allow_modify_pics = 1;
286 /* Zero the output heap */
287 I_OUTPUTPICTURES = 0;
288 p_vout->output.i_width = 0;
289 p_vout->output.i_height = 0;
290 p_vout->output.i_chroma = 0;
291 p_vout->output.i_aspect = 0;
293 p_vout->output.i_rmask = 0;
294 p_vout->output.i_gmask = 0;
295 p_vout->output.i_bmask = 0;
297 /* Initialize misc stuff */
298 p_vout->i_changes = 0;
300 p_vout->b_grayscale = 0;
302 p_vout->b_interface = 0;
304 p_vout->b_fullscreen = 0;
305 p_vout->i_alignment = 0;
306 p_vout->render_time = 10;
307 p_vout->c_fps_samples = 0;
308 p_vout->b_filter_change = 0;
309 p_vout->pf_control = NULL;
310 p_vout->p_window = NULL;
311 p_vout->i_par_num = p_vout->i_par_den = 1;
313 /* Initialize locks */
314 vlc_mutex_init( &p_vout->picture_lock );
315 vlc_mutex_init( &p_vout->change_lock );
316 vlc_mutex_init( &p_vout->vfilter_lock );
318 /* Mouse coordinates */
319 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
320 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
321 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
322 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
323 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
325 /* Initialize subpicture unit */
326 p_vout->p_spu = spu_Create( p_vout );
327 spu_Attach( p_vout->p_spu, p_parent, true );
329 /* Attach the new object now so we can use var inheritance below */
330 vlc_object_attach( p_vout, p_parent );
332 spu_Init( p_vout->p_spu );
334 /* Take care of some "interface/control" related initialisations */
335 vout_IntfInit( p_vout );
337 /* If the parent is not a VOUT object, that means we are at the start of
338 * the video output pipe */
339 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
341 /* Look for the default filter configuration */
342 p_vout->psz_filter_chain =
343 var_CreateGetStringCommand( p_vout, "vout-filter" );
345 /* Apply video filter2 objects on the first vout */
347 var_CreateGetStringCommand( p_vout, "video-filter" );
351 /* continue the parent's filter chain */
354 /* Ugly hack to jump to our configuration chain */
355 p_vout->psz_filter_chain
356 = ((vout_thread_t *)p_parent)->psz_filter_chain;
357 p_vout->psz_filter_chain
358 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->psz_filter_chain );
359 config_ChainDestroy( p_cfg );
362 /* Create a video filter2 var ... but don't inherit values */
363 var_Create( p_vout, "video-filter",
364 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
365 p_vout->psz_vf2 = var_GetString( p_vout, "video-filter" );
368 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
369 p_vout->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
370 false, video_filter_buffer_allocation_init, NULL, p_vout );
372 /* Choose the video output module */
373 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
375 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
376 var_Get( p_vout, "vout", &val );
377 psz_parser = val.psz_string;
381 psz_parser = strdup( p_vout->psz_filter_chain );
384 /* Create the vout thread */
385 config_ChainCreate( &psz_name, &p_cfg, psz_parser );
387 p_vout->p_cfg = p_cfg;
388 p_vout->p_module = module_Need( p_vout,
389 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
390 "video filter" : "video output", psz_name, p_vout->psz_filter_chain && *p_vout->psz_filter_chain );
393 if( p_vout->p_module == NULL )
395 msg_Err( p_vout, "no suitable vout module" );
396 vlc_object_detach( p_vout );
397 vlc_object_release( p_vout );
401 /* Create a few object variables for interface interaction */
402 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
403 text.psz_string = _("Deinterlace");
404 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
405 val.psz_string = (char *)""; text.psz_string = _("Disable");
406 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
407 val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
408 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
409 val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
410 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
411 val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
412 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
413 val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
414 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
415 val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
416 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
417 val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
418 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
420 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
422 var_Set( p_vout, "deinterlace", val );
423 free( val.psz_string );
425 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
427 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
428 text.psz_string = _("Filters");
429 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
430 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
432 /* Calculate delay created by internal caching */
433 p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
434 VLC_OBJECT_INPUT, FIND_ANYWHERE );
437 p_vout->i_pts_delay = p_input_thread->i_pts_delay;
438 vlc_object_release( p_input_thread );
442 p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
445 if( vlc_thread_create( p_vout, "video output", RunThread,
446 VLC_THREAD_PRIORITY_OUTPUT, true ) )
448 module_Unneed( p_vout, p_vout->p_module );
449 vlc_object_release( p_vout );
453 if( p_vout->b_error )
455 msg_Err( p_vout, "video output creation failed" );
457 /* Make sure the thread is destroyed */
458 vlc_object_release( p_vout );
462 vlc_object_set_destructor( p_vout, vout_Destructor );
467 static void vout_Destructor( vlc_object_t * p_this )
469 vout_thread_t *p_vout = (vout_thread_t *)p_this;
471 /* Destroy the locks */
472 vlc_mutex_destroy( &p_vout->picture_lock );
473 vlc_mutex_destroy( &p_vout->change_lock );
474 vlc_mutex_destroy( &p_vout->vfilter_lock );
476 /* Release the module */
477 if( p_vout->p_module )
479 module_Unneed( p_vout, p_vout->p_module );
482 free( p_vout->psz_filter_chain );
484 config_ChainDestroy( p_vout->p_cfg );
487 vout_thread_t *p_another_vout;
489 /* This is a dirty hack mostly for Linux, where there is no way to get the
490 * GUI back if you closed it while playing video. This is solved in
491 * Mac OS X, where we have this novelty called menubar, that will always
492 * allow you access to the applications main functionality. They should try
493 * that on linux sometime. */
494 p_another_vout = vlc_object_find( p_this->p_libvlc,
495 VLC_OBJECT_VOUT, FIND_ANYWHERE );
496 if( p_another_vout == NULL )
497 var_SetBool( p_this->p_libvlc, "intf-show", true );
499 vlc_object_release( p_another_vout );
503 /*****************************************************************************
504 * InitThread: initialize video output thread
505 *****************************************************************************
506 * This function is called from RunThread and performs the second step of the
507 * initialization. It returns 0 on success. Note that the thread's flag are not
508 * modified inside this function.
509 *****************************************************************************/
510 static picture_t *get_pic( filter_t *p_filter )
512 picture_t *p_pic = (picture_t *)p_filter->p_owner;
513 p_filter->p_owner = NULL;
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->p_chroma = vlc_object_create( p_vout, VLC_OBJECT_FILTER );
659 filter_t *p_chroma = p_vout->p_chroma;
660 vlc_object_attach( p_chroma, p_vout );
661 /* TODO: Set the fmt_in and fmt_out stuff here */
662 p_chroma->fmt_in.video = p_vout->fmt_render;
663 p_chroma->fmt_out.video = p_vout->fmt_out;
665 /* TODO: put in a function */
666 p_chroma->fmt_out.video.i_rmask = p_vout->output.i_rmask;
667 p_chroma->fmt_out.video.i_gmask = p_vout->output.i_gmask;
668 p_chroma->fmt_out.video.i_bmask = p_vout->output.i_bmask;
669 p_chroma->fmt_out.video.i_rrshift = p_vout->output.i_rrshift;
670 p_chroma->fmt_out.video.i_lrshift = p_vout->output.i_lrshift;
671 p_chroma->fmt_out.video.i_rgshift = p_vout->output.i_rgshift;
672 p_chroma->fmt_out.video.i_lgshift = p_vout->output.i_lgshift;
673 p_chroma->fmt_out.video.i_rbshift = p_vout->output.i_rbshift;
674 p_chroma->fmt_out.video.i_lbshift = p_vout->output.i_lbshift;
675 p_chroma->p_module = module_Need( p_chroma, "video filter2", NULL, 0 );
677 if( p_chroma->p_module == NULL )
679 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s",
680 (char*)&p_vout->render.i_chroma,
681 (char*)&p_vout->output.i_chroma );
682 vlc_object_detach( p_vout->p_chroma );
683 p_vout->p_chroma = NULL;
684 p_vout->pf_end( p_vout );
685 vlc_mutex_unlock( &p_vout->change_lock );
688 p_chroma->pf_vout_buffer_new = get_pic;
690 msg_Dbg( p_vout, "indirect render, mapping "
691 "render pictures 0-%i to system pictures %i-%i",
692 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
693 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
695 /* Append render buffers after the direct buffers */
696 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
698 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
701 /* Check if we have enough render pictures */
702 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
707 /* Link pictures back to their heap */
708 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
710 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
713 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
715 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
718 /* XXX XXX mark thread ready */
722 /*****************************************************************************
723 * RunThread: video output thread
724 *****************************************************************************
725 * Video output thread. This function does only returns when the thread is
726 * terminated. It handles the pictures arriving in the video heap and the
727 * display device events.
728 *****************************************************************************/
729 static void RunThread( vout_thread_t *p_vout)
731 int i_index; /* index in heap */
732 int i_idle_loops = 0; /* loops without displaying a picture */
733 mtime_t current_date; /* current date */
734 mtime_t display_date; /* display date */
736 picture_t * p_picture; /* picture pointer */
737 picture_t * p_last_picture = NULL; /* last picture */
738 picture_t * p_directbuffer; /* direct buffer to display */
740 subpicture_t * p_subpic = NULL; /* subpicture pointer */
742 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
747 int i_displayed = 0, i_lost = 0, i_loops = 0;
752 p_vout->b_error = InitThread( p_vout );
754 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
755 var_Get( p_vout, "drop-late-frames", &val );
756 b_drop_late = val.b_bool;
758 /* signal the creation of the vout */
759 vlc_thread_ready( p_vout );
761 if( p_vout->b_error )
764 vlc_object_lock( p_vout );
766 if( p_vout->b_title_show )
767 DisplayTitleOnOSD( p_vout );
770 * Main loop - it is not executed if an error occurred during
773 while( (vlc_object_alive( p_vout )) && (!p_vout->b_error) )
775 /* Initialize loop variables */
778 current_date = mdate();
783 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
788 vlc_mutex_lock( &p_input->p->counters.counters_lock );
789 stats_UpdateInteger( p_vout, p_input->p->counters.p_lost_pictures,
791 stats_UpdateInteger( p_vout,
792 p_input->p->counters.p_displayed_pictures,
794 i_displayed = i_lost = 0;
795 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
796 vlc_object_release( p_input );
801 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
803 msg_Dbg( p_vout, "picture heap: %d/%d",
804 I_RENDERPICTURES, p_vout->i_heap_size );
809 * Find the picture to display (the one with the earliest date).
810 * This operation does not need lock, since only READY_PICTUREs
812 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
814 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
815 && ( (p_picture == NULL) ||
816 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
818 p_picture = PP_RENDERPICTURE[i_index];
819 display_date = p_picture->date;
825 /* If we met the last picture, parse again to see whether there is
826 * a more appropriate one. */
827 if( p_picture == p_last_picture )
829 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
831 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
832 && (PP_RENDERPICTURE[i_index] != p_last_picture)
833 && ((p_picture == p_last_picture) ||
834 (PP_RENDERPICTURE[i_index]->date < display_date)) )
836 p_picture = PP_RENDERPICTURE[i_index];
837 display_date = p_picture->date;
842 /* If we found better than the last picture, destroy it */
843 if( p_last_picture && p_picture != p_last_picture )
845 vlc_mutex_lock( &p_vout->picture_lock );
846 if( p_last_picture->i_refcount )
848 p_last_picture->i_status = DISPLAYED_PICTURE;
852 p_last_picture->i_status = DESTROYED_PICTURE;
853 p_vout->i_heap_size--;
855 vlc_mutex_unlock( &p_vout->picture_lock );
856 p_last_picture = NULL;
859 /* Compute FPS rate */
860 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
863 if( !p_picture->b_force &&
864 p_picture != p_last_picture &&
865 display_date < current_date + p_vout->render_time &&
868 /* Picture is late: it will be destroyed and the thread
869 * will directly choose the next picture */
870 vlc_mutex_lock( &p_vout->picture_lock );
871 if( p_picture->i_refcount )
873 /* Pretend we displayed the picture, but don't destroy
874 * it since the decoder might still need it. */
875 p_picture->i_status = DISPLAYED_PICTURE;
879 /* Destroy the picture without displaying it */
880 p_picture->i_status = DESTROYED_PICTURE;
881 p_vout->i_heap_size--;
883 msg_Warn( p_vout, "late picture skipped (%"PRId64")",
884 current_date - display_date );
886 vlc_mutex_unlock( &p_vout->picture_lock );
892 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
894 /* Picture is waaay too early: it will be destroyed */
895 vlc_mutex_lock( &p_vout->picture_lock );
896 if( p_picture->i_refcount )
898 /* Pretend we displayed the picture, but don't destroy
899 * it since the decoder might still need it. */
900 p_picture->i_status = DISPLAYED_PICTURE;
904 /* Destroy the picture without displaying it */
905 p_picture->i_status = DESTROYED_PICTURE;
906 p_vout->i_heap_size--;
909 msg_Warn( p_vout, "vout warning: early picture skipped "
910 "(%"PRId64")", display_date - current_date
911 - p_vout->i_pts_delay );
912 vlc_mutex_unlock( &p_vout->picture_lock );
917 if( display_date > current_date + VOUT_DISPLAY_DELAY )
919 /* A picture is ready to be rendered, but its rendering date
920 * is far from the current one so the thread will perform an
921 * empty loop as if no picture were found. The picture state
926 else if( p_picture == p_last_picture )
928 /* We are asked to repeat the previous picture, but we first
929 * wait for a couple of idle loops */
930 if( i_idle_loops < 4 )
937 /* We set the display date to something high, otherwise
938 * we'll have lots of problems with late pictures */
939 display_date = current_date + p_vout->render_time;
944 if( p_picture == NULL )
949 /* Video Filter2 stuff */
950 if( p_vout->psz_vf2 )
954 vlc_mutex_lock( &p_vout->vfilter_lock );
956 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
957 fmt.video = p_vout->fmt_render;
958 filter_chain_Reset( p_vout->p_vf2_chain, &fmt, &fmt );
960 if( filter_chain_AppendFromString( p_vout->p_vf2_chain,
961 p_vout->psz_vf2 ) < 0 )
962 msg_Err( p_vout, "Video filter chain creation failed" );
964 free( p_vout->psz_vf2 );
965 p_vout->psz_vf2 = NULL;
966 vlc_mutex_unlock( &p_vout->vfilter_lock );
971 p_picture = filter_chain_VideoFilter( p_vout->p_vf2_chain,
975 if( p_picture && p_vout->b_snapshot )
977 p_vout->b_snapshot = false;
978 vout_Snapshot( p_vout, p_picture );
982 * Check for subpictures to display
984 if( display_date > 0 )
988 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
991 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
992 p_input ? var_GetBool( p_input, "state" ) == PAUSE_S : false );
994 vlc_object_release( p_input );
1002 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
1005 * Call the plugin-specific rendering method if there is one
1007 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1009 /* Render the direct buffer returned by vout_RenderPicture */
1010 p_vout->pf_render( p_vout, p_directbuffer );
1016 if( display_date != 0 && p_directbuffer != NULL )
1018 mtime_t current_render_time = mdate() - current_date;
1019 /* if render time is very large we don't include it in the mean */
1020 if( current_render_time < p_vout->render_time +
1021 VOUT_DISPLAY_DELAY )
1023 /* Store render time using a sliding mean weighting to
1024 * current value in a 3 to 1 ratio*/
1025 p_vout->render_time *= 3;
1026 p_vout->render_time += current_render_time;
1027 p_vout->render_time >>= 2;
1031 /* Give back change lock */
1032 vlc_mutex_unlock( &p_vout->change_lock );
1034 vlc_object_unlock( p_vout );
1036 /* Sleep a while or until a given date */
1037 if( display_date != 0 )
1039 /* If there are filters in the chain, better give them the picture
1041 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1043 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1048 msleep( VOUT_IDLE_SLEEP );
1051 /* On awakening, take back lock and send immediately picture
1053 vlc_object_lock( p_vout );
1054 /* Note: vlc_object_alive() could be false here, and we
1056 vlc_mutex_lock( &p_vout->change_lock );
1059 * Display the previously rendered picture
1061 if( p_picture != NULL && p_directbuffer != NULL )
1063 /* Display the direct buffer returned by vout_RenderPicture */
1064 if( p_vout->pf_display )
1066 p_vout->pf_display( p_vout, p_directbuffer );
1069 /* Tell the vout this was the last picture and that it does not
1070 * need to be forced anymore. */
1071 p_last_picture = p_picture;
1072 p_last_picture->b_force = 0;
1075 if( p_picture != NULL )
1077 /* Reinitialize idle loop count */
1082 * Check events and manage thread
1084 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1086 /* A fatal error occurred, and the thread must terminate
1087 * immediately, without displaying anything - setting b_error to 1
1088 * causes the immediate end of the main while() loop. */
1089 p_vout->b_error = 1;
1092 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1094 /* this must only happen when the vout plugin is incapable of
1095 * rescaling the picture itself. In this case we need to destroy
1096 * the current picture buffers and recreate new ones with the right
1100 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1102 p_vout->pf_end( p_vout );
1103 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1104 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1106 I_OUTPUTPICTURES = 0;
1107 if( p_vout->pf_init( p_vout ) )
1109 msg_Err( p_vout, "cannot resize display" );
1110 /* FIXME: pf_end will be called again in EndThread() */
1111 p_vout->b_error = 1;
1114 /* Need to reinitialise the chroma plugin. Since we might need
1115 * resizing too and it's not sure that we already had it,
1116 * recreate the chroma plugin chain from scratch. */
1118 if( p_vout->p_chroma->p_module )
1120 filter_t *p_chroma = p_vout->p_chroma;
1121 module_Unneed( p_chroma, p_chroma->p_module );
1122 p_chroma->fmt_out.video = p_vout->fmt_out;
1123 p_chroma->fmt_out.video.i_rmask = p_vout->output.i_rmask;
1124 p_chroma->fmt_out.video.i_gmask = p_vout->output.i_gmask;
1125 p_chroma->fmt_out.video.i_bmask = p_vout->output.i_bmask;
1126 p_chroma->fmt_out.video.i_rrshift = p_vout->output.i_rrshift;
1127 p_chroma->fmt_out.video.i_lrshift = p_vout->output.i_lrshift;
1128 p_chroma->fmt_out.video.i_rgshift = p_vout->output.i_rgshift;
1129 p_chroma->fmt_out.video.i_lgshift = p_vout->output.i_lgshift;
1130 p_chroma->fmt_out.video.i_rbshift = p_vout->output.i_rbshift;
1131 p_chroma->fmt_out.video.i_lbshift = p_vout->output.i_lbshift;
1132 p_chroma->p_module = module_Need( p_chroma, "video filter2", NULL, 0 );
1133 if( !p_chroma->p_module )
1135 msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
1140 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1142 /* This happens when the picture buffers need to be recreated.
1143 * This is useful on multimonitor displays for instance.
1145 * Warning: This only works when the vout creates only 1 picture
1147 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1149 if( !p_vout->b_direct )
1151 module_Unneed( p_vout->p_chroma, p_vout->p_chroma->p_module );
1152 vlc_object_detach( p_vout->p_chroma );
1153 vlc_object_release( p_vout->p_chroma );
1154 p_vout->p_chroma = NULL;
1157 vlc_mutex_lock( &p_vout->picture_lock );
1159 p_vout->pf_end( p_vout );
1161 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1163 p_vout->b_error = InitThread( p_vout );
1165 vlc_mutex_unlock( &p_vout->picture_lock );
1172 vlc_object_release( p_input );
1176 * Error loop - wait until the thread destruction is requested
1178 if( p_vout->b_error )
1180 ErrorThread( p_vout );
1184 EndThread( p_vout );
1185 vlc_object_unlock( p_vout );
1188 /*****************************************************************************
1189 * ErrorThread: RunThread() error loop
1190 *****************************************************************************
1191 * This function is called when an error occurred during thread main's loop.
1192 * The thread can still receive feed, but must be ready to terminate as soon
1194 *****************************************************************************/
1195 static void ErrorThread( vout_thread_t *p_vout )
1197 /* Wait until a `die' order */
1198 while( !p_vout->b_die )
1201 msleep( VOUT_IDLE_SLEEP );
1205 /*****************************************************************************
1206 * EndThread: thread destruction
1207 *****************************************************************************
1208 * This function is called when the thread ends after a sucessful
1209 * initialization. It frees all resources allocated by InitThread.
1210 *****************************************************************************/
1211 static void EndThread( vout_thread_t *p_vout )
1213 int i_index; /* index in heap */
1217 struct tms cpu_usage;
1218 times( &cpu_usage );
1220 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1221 cpu_usage.tms_utime, cpu_usage.tms_stime );
1225 if( !p_vout->b_direct )
1227 module_Unneed( p_vout->p_chroma, p_vout->p_chroma->p_module );
1228 vlc_object_release( p_vout->p_chroma );
1229 p_vout->p_chroma = NULL;
1232 /* Destroy all remaining pictures */
1233 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1235 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1237 free( p_vout->p_picture[i_index].p_data_orig );
1241 /* Destroy subpicture unit */
1242 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1243 spu_Destroy( p_vout->p_spu );
1245 /* Destroy the video filters2 */
1246 filter_chain_Delete( p_vout->p_vf2_chain );
1248 /* Destroy translation tables */
1249 p_vout->pf_end( p_vout );
1251 /* Release the change lock */
1252 vlc_mutex_unlock( &p_vout->change_lock );
1255 /* following functions are local */
1257 static int ReduceHeight( int i_ratio )
1259 int i_dummy = VOUT_ASPECT_FACTOR;
1267 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1268 while( !(i_ratio & 1) && !(i_dummy & 1) )
1275 while( !(i_ratio % 3) && !(i_dummy % 3) )
1282 while( !(i_ratio % 5) && !(i_dummy % 5) )
1292 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1294 unsigned int i_pgcd = ReduceHeight( i_aspect );
1295 *i_aspect_x = i_aspect / i_pgcd;
1296 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1299 /*****************************************************************************
1300 * BinaryLog: computes the base 2 log of a binary value
1301 *****************************************************************************
1302 * This functions is used by MaskToShift, to get a bit index from a binary
1304 *****************************************************************************/
1305 static int BinaryLog( uint32_t i )
1309 if( i == 0 ) return -31337;
1311 if( i & 0xffff0000 ) i_log += 16;
1312 if( i & 0xff00ff00 ) i_log += 8;
1313 if( i & 0xf0f0f0f0 ) i_log += 4;
1314 if( i & 0xcccccccc ) i_log += 2;
1315 if( i & 0xaaaaaaaa ) i_log += 1;
1320 /*****************************************************************************
1321 * MaskToShift: transform a color mask into right and left shifts
1322 *****************************************************************************
1323 * This function is used for obtaining color shifts from masks.
1324 *****************************************************************************/
1325 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1327 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1331 *pi_left = *pi_right = 0;
1336 i_low = i_high = i_mask;
1338 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1339 i_high += i_low; /* higher bit of the mask */
1341 /* Transform bits into an index. Also deal with i_high overflow, which
1342 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1343 i_low = BinaryLog (i_low);
1344 i_high = i_high ? BinaryLog (i_high) : 32;
1346 /* Update pointers and return */
1348 *pi_right = (8 - i_high + i_low);
1351 /*****************************************************************************
1352 * vout_VarCallback: generic callback for intf variables
1353 *****************************************************************************/
1354 int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
1355 vlc_value_t oldval, vlc_value_t newval,
1358 vout_thread_t * p_vout = (vout_thread_t *)p_this;
1360 (void)psz_variable; (void)newval; (void)oldval; (void)p_data;
1362 var_Set( p_vout, "intf-change", val );
1366 /*****************************************************************************
1367 * Helper thread for object variables callbacks.
1368 * Only used to avoid deadlocks when using the video embedded mode.
1369 *****************************************************************************/
1370 typedef struct suxor_thread_t
1373 input_thread_t *p_input;
1377 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1381 vlc_thread_ready( p_this );
1383 /* Now restart current video stream */
1384 var_Get( p_this->p_input, "video-es", &val );
1385 if( val.i_int >= 0 )
1388 val_es.i_int = -VIDEO_ES;
1389 var_Set( p_this->p_input, "video-es", val_es );
1390 var_Set( p_this->p_input, "video-es", val );
1393 vlc_object_release( p_this->p_input );
1395 vlc_object_release( p_this );
1398 /*****************************************************************************
1399 * object variables callbacks: a bunch of object variables are used by the
1400 * interfaces to interact with the vout.
1401 *****************************************************************************/
1402 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1403 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1405 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1406 input_thread_t *p_input;
1409 char *psz_mode = newval.psz_string;
1410 char *psz_filter, *psz_deinterlace = NULL;
1411 (void)psz_cmd; (void)oldval; (void)p_data;
1413 var_Get( p_vout, "vout-filter", &val );
1414 psz_filter = val.psz_string;
1415 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1417 if( !psz_mode || !*psz_mode )
1419 if( psz_deinterlace )
1421 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1422 if( psz_src[0] == ':' ) psz_src++;
1423 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1426 else if( !psz_deinterlace )
1428 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1429 sizeof(":deinterlace") );
1430 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1431 strcat( psz_filter, "deinterlace" );
1434 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1436 if( !p_input ) return VLC_EGENERIC;
1438 if( psz_mode && *psz_mode )
1440 /* Modify input as well because the vout might have to be restarted */
1441 val.psz_string = psz_mode;
1442 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1443 var_Set( p_input, "deinterlace-mode", val );
1445 vlc_object_release( p_input );
1448 var_Set( p_vout, "intf-change", val );
1450 val.psz_string = psz_filter;
1451 var_Set( p_vout, "vout-filter", val );
1457 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1458 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1460 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1461 input_thread_t *p_input;
1463 (void)psz_cmd; (void)oldval; (void)p_data;
1465 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1469 msg_Err( p_vout, "Input not found" );
1470 return( VLC_EGENERIC );
1474 var_Set( p_vout, "intf-change", val );
1476 /* Modify input as well because the vout might have to be restarted */
1477 val.psz_string = newval.psz_string;
1478 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1480 var_Set( p_input, "vout-filter", val );
1482 /* Now restart current video stream */
1483 var_Get( p_input, "video-es", &val );
1484 if( val.i_int >= 0 )
1486 suxor_thread_t *p_suxor =
1487 vlc_object_create( p_vout, sizeof(suxor_thread_t) );
1488 p_suxor->p_input = p_input;
1489 p_vout->b_filter_change = true;
1490 vlc_object_yield( p_input );
1491 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1492 VLC_THREAD_PRIORITY_LOW, false );
1495 vlc_object_release( p_input );
1500 /*****************************************************************************
1501 * Video Filter2 stuff
1502 *****************************************************************************/
1503 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1504 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1506 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1507 (void)psz_cmd; (void)oldval; (void)p_data;
1509 vlc_mutex_lock( &p_vout->vfilter_lock );
1510 p_vout->psz_vf2 = strdup( newval.psz_string );
1511 vlc_mutex_unlock( &p_vout->vfilter_lock );
1516 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1518 input_thread_t *p_input;
1519 mtime_t i_now, i_stop;
1521 p_input = (input_thread_t *)vlc_object_find( p_vout,
1522 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1526 i_stop = i_now + (mtime_t)(p_vout->i_title_timeout * 1000);
1527 char *psz_nowplaying =
1528 input_item_GetNowPlaying( input_GetItem( p_input ) );
1529 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1530 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1531 if( EMPTY_STR( psz_name ) )
1534 psz_name = input_item_GetName( input_GetItem( p_input ) );
1536 if( !EMPTY_STR( psz_nowplaying ) )
1538 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1539 psz_nowplaying, NULL,
1540 p_vout->i_title_position,
1541 30 + p_vout->fmt_in.i_width
1542 - p_vout->fmt_in.i_visible_width
1543 - p_vout->fmt_in.i_x_offset,
1544 20 + p_vout->fmt_in.i_y_offset,
1547 else if( !EMPTY_STR( psz_artist ) )
1549 char *psz_string = NULL;
1550 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
1552 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1554 p_vout->i_title_position,
1555 30 + p_vout->fmt_in.i_width
1556 - p_vout->fmt_in.i_visible_width
1557 - p_vout->fmt_in.i_x_offset,
1558 20 + p_vout->fmt_in.i_y_offset,
1565 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1567 p_vout->i_title_position,
1568 30 + p_vout->fmt_in.i_width
1569 - p_vout->fmt_in.i_visible_width
1570 - p_vout->fmt_in.i_x_offset,
1571 20 + p_vout->fmt_in.i_y_offset,
1574 vlc_object_release( p_input );
1577 free( psz_nowplaying );