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 p_vout = vlc_object_create( p_parent, VLC_OBJECT_VOUT );
250 /* Initialize pictures - translation tables and functions
251 * will be initialized later in InitThread */
252 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
254 p_vout->p_picture[i_index].pf_lock = NULL;
255 p_vout->p_picture[i_index].pf_unlock = NULL;
256 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
257 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
258 p_vout->p_picture[i_index].b_slow = 0;
261 /* No images in the heap */
262 p_vout->i_heap_size = 0;
264 /* Initialize the rendering heap */
265 I_RENDERPICTURES = 0;
267 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
268 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
269 p_vout->fmt_render = *p_fmt; /* FIXME palette */
270 p_vout->fmt_in = *p_fmt; /* FIXME palette */
272 p_vout->render.i_width = i_width;
273 p_vout->render.i_height = i_height;
274 p_vout->render.i_chroma = i_chroma;
275 p_vout->render.i_aspect = i_aspect;
277 p_vout->render.i_rmask = 0;
278 p_vout->render.i_gmask = 0;
279 p_vout->render.i_bmask = 0;
281 p_vout->render.i_last_used_pic = -1;
282 p_vout->render.b_allow_modify_pics = 1;
284 /* Zero the output heap */
285 I_OUTPUTPICTURES = 0;
286 p_vout->output.i_width = 0;
287 p_vout->output.i_height = 0;
288 p_vout->output.i_chroma = 0;
289 p_vout->output.i_aspect = 0;
291 p_vout->output.i_rmask = 0;
292 p_vout->output.i_gmask = 0;
293 p_vout->output.i_bmask = 0;
295 /* Initialize misc stuff */
296 p_vout->i_changes = 0;
298 p_vout->b_grayscale = 0;
300 p_vout->b_interface = 0;
302 p_vout->b_fullscreen = 0;
303 p_vout->i_alignment = 0;
304 p_vout->render_time = 10;
305 p_vout->c_fps_samples = 0;
306 p_vout->b_filter_change = 0;
307 p_vout->pf_control = NULL;
308 p_vout->p_window = NULL;
309 p_vout->i_par_num = p_vout->i_par_den = 1;
311 /* Initialize locks */
312 vlc_mutex_init( &p_vout->picture_lock );
313 vlc_mutex_init( &p_vout->change_lock );
314 vlc_mutex_init( &p_vout->vfilter_lock );
316 /* Mouse coordinates */
317 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
318 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
319 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
320 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
321 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
323 /* Initialize subpicture unit */
324 p_vout->p_spu = spu_Create( p_vout );
325 spu_Attach( p_vout->p_spu, p_parent, true );
327 /* Attach the new object now so we can use var inheritance below */
328 vlc_object_attach( p_vout, p_parent );
330 spu_Init( p_vout->p_spu );
332 /* Take care of some "interface/control" related initialisations */
333 vout_IntfInit( p_vout );
335 /* If the parent is not a VOUT object, that means we are at the start of
336 * the video output pipe */
337 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
339 /* Look for the default filter configuration */
340 p_vout->psz_filter_chain =
341 var_CreateGetStringCommand( p_vout, "vout-filter" );
343 /* Apply video filter2 objects on the first vout */
345 var_CreateGetStringCommand( p_vout, "video-filter" );
349 /* continue the parent's filter chain */
352 /* Ugly hack to jump to our configuration chain */
353 p_vout->psz_filter_chain
354 = ((vout_thread_t *)p_parent)->psz_filter_chain;
355 p_vout->psz_filter_chain
356 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->psz_filter_chain );
357 config_ChainDestroy( p_cfg );
360 /* Create a video filter2 var ... but don't inherit values */
361 var_Create( p_vout, "video-filter",
362 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
363 p_vout->psz_vf2 = var_GetString( p_vout, "video-filter" );
366 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
367 p_vout->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
368 false, video_filter_buffer_allocation_init, NULL, p_vout );
370 /* Choose the video output module */
371 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
373 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
374 var_Get( p_vout, "vout", &val );
375 psz_parser = val.psz_string;
379 psz_parser = strdup( p_vout->psz_filter_chain );
382 /* Create the vout thread */
383 config_ChainCreate( &psz_name, &p_cfg, psz_parser );
385 p_vout->p_cfg = p_cfg;
386 p_vout->p_module = module_Need( p_vout,
387 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
388 "video filter" : "video output", psz_name, p_vout->psz_filter_chain && *p_vout->psz_filter_chain );
391 if( p_vout->p_module == NULL )
393 msg_Err( p_vout, "no suitable vout module" );
394 vlc_object_detach( p_vout );
395 vlc_object_release( p_vout );
399 /* Create a few object variables for interface interaction */
400 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
401 text.psz_string = _("Deinterlace");
402 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
403 val.psz_string = (char *)""; text.psz_string = _("Disable");
404 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
405 val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
406 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
407 val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
408 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
409 val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
410 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
411 val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
412 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
413 val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
414 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
415 val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
416 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
418 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
420 var_Set( p_vout, "deinterlace", val );
421 free( val.psz_string );
423 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
425 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
426 text.psz_string = _("Filters");
427 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
428 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
430 /* Calculate delay created by internal caching */
431 p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
432 VLC_OBJECT_INPUT, FIND_ANYWHERE );
435 p_vout->i_pts_delay = p_input_thread->i_pts_delay;
436 vlc_object_release( p_input_thread );
440 p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
443 if( vlc_thread_create( p_vout, "video output", RunThread,
444 VLC_THREAD_PRIORITY_OUTPUT, true ) )
446 module_Unneed( p_vout, p_vout->p_module );
447 vlc_object_release( p_vout );
451 if( p_vout->b_error )
453 msg_Err( p_vout, "video output creation failed" );
455 /* Make sure the thread is destroyed */
456 vlc_object_release( p_vout );
460 vlc_object_set_destructor( p_vout, vout_Destructor );
465 static void vout_Destructor( vlc_object_t * p_this )
467 vout_thread_t *p_vout = (vout_thread_t *)p_this;
469 /* Destroy the locks */
470 vlc_mutex_destroy( &p_vout->picture_lock );
471 vlc_mutex_destroy( &p_vout->change_lock );
472 vlc_mutex_destroy( &p_vout->vfilter_lock );
474 /* Release the module */
475 if( p_vout->p_module )
477 module_Unneed( p_vout, p_vout->p_module );
480 free( p_vout->psz_filter_chain );
482 config_ChainDestroy( p_vout->p_cfg );
485 vout_thread_t *p_another_vout;
487 /* This is a dirty hack mostly for Linux, where there is no way to get the
488 * GUI back if you closed it while playing video. This is solved in
489 * Mac OS X, where we have this novelty called menubar, that will always
490 * allow you access to the applications main functionality. They should try
491 * that on linux sometime. */
492 p_another_vout = vlc_object_find( p_this->p_libvlc,
493 VLC_OBJECT_VOUT, FIND_ANYWHERE );
494 if( p_another_vout == NULL )
495 var_SetBool( p_this->p_libvlc, "intf-show", true );
497 vlc_object_release( p_another_vout );
501 /*****************************************************************************
502 * InitThread: initialize video output thread
503 *****************************************************************************
504 * This function is called from RunThread and performs the second step of the
505 * initialization. It returns 0 on success. Note that the thread's flag are not
506 * modified inside this function.
507 *****************************************************************************/
508 static picture_t *get_pic( filter_t *p_filter )
510 picture_t *p_pic = (picture_t *)p_filter->p_owner;
511 p_filter->p_owner = NULL;
515 static int InitThread( vout_thread_t *p_vout )
517 int i, i_aspect_x, i_aspect_y;
519 vlc_mutex_lock( &p_vout->change_lock );
525 /* Initialize output method, it allocates direct buffers for us */
526 if( p_vout->pf_init( p_vout ) )
528 vlc_mutex_unlock( &p_vout->change_lock );
532 if( !I_OUTPUTPICTURES )
534 msg_Err( p_vout, "plugin was unable to allocate at least "
535 "one direct buffer" );
536 p_vout->pf_end( p_vout );
537 vlc_mutex_unlock( &p_vout->change_lock );
541 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
543 msg_Err( p_vout, "plugin allocated too many direct buffers, "
544 "our internal buffers must have overflown." );
545 p_vout->pf_end( p_vout );
546 vlc_mutex_unlock( &p_vout->change_lock );
550 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
552 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
554 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
555 "chroma %4.4s, ar %i:%i, sar %i:%i",
556 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
557 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
558 p_vout->fmt_render.i_visible_width,
559 p_vout->fmt_render.i_visible_height,
560 (char*)&p_vout->fmt_render.i_chroma,
561 i_aspect_x, i_aspect_y,
562 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
564 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
566 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
567 "chroma %4.4s, ar %i:%i, sar %i:%i",
568 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
569 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
570 p_vout->fmt_in.i_visible_width,
571 p_vout->fmt_in.i_visible_height,
572 (char*)&p_vout->fmt_in.i_chroma,
573 i_aspect_x, i_aspect_y,
574 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
576 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
578 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
579 p_vout->output.i_width;
580 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
581 p_vout->output.i_height;
582 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
584 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
585 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
587 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
589 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
590 p_vout->fmt_out.i_height;
591 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
592 p_vout->fmt_out.i_width;
595 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
596 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
598 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
600 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
601 "chroma %4.4s, ar %i:%i, sar %i:%i",
602 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
603 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
604 p_vout->fmt_out.i_visible_width,
605 p_vout->fmt_out.i_visible_height,
606 (char*)&p_vout->fmt_out.i_chroma,
607 i_aspect_x, i_aspect_y,
608 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
610 /* Calculate shifts from system-updated masks */
611 MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
612 p_vout->output.i_rmask );
613 MaskToShift( &p_vout->output.i_lgshift, &p_vout->output.i_rgshift,
614 p_vout->output.i_gmask );
615 MaskToShift( &p_vout->output.i_lbshift, &p_vout->output.i_rbshift,
616 p_vout->output.i_bmask );
618 /* Check whether we managed to create direct buffers similar to
619 * the render buffers, ie same size and chroma */
620 if( ( p_vout->output.i_width == p_vout->render.i_width )
621 && ( p_vout->output.i_height == p_vout->render.i_height )
622 && ( vout_ChromaCmp( p_vout->output.i_chroma, p_vout->render.i_chroma ) ) )
624 /* Cool ! We have direct buffers, we can ask the decoder to
625 * directly decode into them ! Map the first render buffers to
626 * the first direct buffers, but keep the first direct buffer
627 * for memcpy operations */
628 p_vout->b_direct = 1;
630 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
632 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
633 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
634 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
636 /* We have enough direct buffers so there's no need to
637 * try to use system memory buffers. */
640 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
644 msg_Dbg( p_vout, "direct render, mapping "
645 "render pictures 0-%i to system pictures 1-%i",
646 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
650 /* Rats... Something is wrong here, we could not find an output
651 * plugin able to directly render what we decode. See if we can
652 * find a chroma plugin to do the conversion */
653 p_vout->b_direct = 0;
655 /* Choose the best module */
656 p_vout->p_chroma = vlc_object_create( p_vout, VLC_OBJECT_FILTER );
657 filter_t *p_chroma = p_vout->p_chroma;
658 vlc_object_attach( p_chroma, p_vout );
659 /* TODO: Set the fmt_in and fmt_out stuff here */
660 p_chroma->fmt_in.video = p_vout->fmt_render;
661 p_chroma->fmt_out.video = p_vout->fmt_out;
663 /* TODO: put in a function */
664 p_chroma->fmt_out.video.i_rmask = p_vout->output.i_rmask;
665 p_chroma->fmt_out.video.i_gmask = p_vout->output.i_gmask;
666 p_chroma->fmt_out.video.i_bmask = p_vout->output.i_bmask;
667 p_chroma->fmt_out.video.i_rrshift = p_vout->output.i_rrshift;
668 p_chroma->fmt_out.video.i_lrshift = p_vout->output.i_lrshift;
669 p_chroma->fmt_out.video.i_rgshift = p_vout->output.i_rgshift;
670 p_chroma->fmt_out.video.i_lgshift = p_vout->output.i_lgshift;
671 p_chroma->fmt_out.video.i_rbshift = p_vout->output.i_rbshift;
672 p_chroma->fmt_out.video.i_lbshift = p_vout->output.i_lbshift;
673 p_chroma->p_module = module_Need( p_chroma, "video filter2", NULL, 0 );
675 if( p_chroma->p_module == NULL )
677 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s",
678 (char*)&p_vout->render.i_chroma,
679 (char*)&p_vout->output.i_chroma );
680 vlc_object_detach( p_vout->p_chroma );
681 p_vout->p_chroma = NULL;
682 p_vout->pf_end( p_vout );
683 vlc_mutex_unlock( &p_vout->change_lock );
686 p_chroma->pf_vout_buffer_new = get_pic;
688 msg_Dbg( p_vout, "indirect render, mapping "
689 "render pictures 0-%i to system pictures %i-%i",
690 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
691 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
693 /* Append render buffers after the direct buffers */
694 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
696 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
699 /* Check if we have enough render pictures */
700 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
705 /* Link pictures back to their heap */
706 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
708 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
711 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
713 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
716 /* XXX XXX mark thread ready */
720 /*****************************************************************************
721 * RunThread: video output thread
722 *****************************************************************************
723 * Video output thread. This function does only returns when the thread is
724 * terminated. It handles the pictures arriving in the video heap and the
725 * display device events.
726 *****************************************************************************/
727 static void RunThread( vout_thread_t *p_vout)
729 int i_index; /* index in heap */
730 int i_idle_loops = 0; /* loops without displaying a picture */
731 mtime_t current_date; /* current date */
732 mtime_t display_date; /* display date */
734 picture_t * p_picture; /* picture pointer */
735 picture_t * p_last_picture = NULL; /* last picture */
736 picture_t * p_directbuffer; /* direct buffer to display */
738 subpicture_t * p_subpic = NULL; /* subpicture pointer */
740 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
745 int i_displayed = 0, i_lost = 0, i_loops = 0;
750 p_vout->b_error = InitThread( p_vout );
752 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
753 var_Get( p_vout, "drop-late-frames", &val );
754 b_drop_late = val.b_bool;
756 /* signal the creation of the vout */
757 vlc_thread_ready( p_vout );
759 if( p_vout->b_error )
762 vlc_object_lock( p_vout );
764 if( p_vout->b_title_show )
765 DisplayTitleOnOSD( p_vout );
768 * Main loop - it is not executed if an error occurred during
771 while( (vlc_object_alive( p_vout )) && (!p_vout->b_error) )
773 /* Initialize loop variables */
776 current_date = mdate();
781 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
786 vlc_mutex_lock( &p_input->p->counters.counters_lock );
787 stats_UpdateInteger( p_vout, p_input->p->counters.p_lost_pictures,
789 stats_UpdateInteger( p_vout,
790 p_input->p->counters.p_displayed_pictures,
792 i_displayed = i_lost = 0;
793 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
794 vlc_object_release( p_input );
799 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
801 msg_Dbg( p_vout, "picture heap: %d/%d",
802 I_RENDERPICTURES, p_vout->i_heap_size );
807 * Find the picture to display (the one with the earliest date).
808 * This operation does not need lock, since only READY_PICTUREs
810 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
812 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
813 && ( (p_picture == NULL) ||
814 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
816 p_picture = PP_RENDERPICTURE[i_index];
817 display_date = p_picture->date;
823 /* If we met the last picture, parse again to see whether there is
824 * a more appropriate one. */
825 if( p_picture == p_last_picture )
827 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
829 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
830 && (PP_RENDERPICTURE[i_index] != p_last_picture)
831 && ((p_picture == p_last_picture) ||
832 (PP_RENDERPICTURE[i_index]->date < display_date)) )
834 p_picture = PP_RENDERPICTURE[i_index];
835 display_date = p_picture->date;
840 /* If we found better than the last picture, destroy it */
841 if( p_last_picture && p_picture != p_last_picture )
843 vlc_mutex_lock( &p_vout->picture_lock );
844 if( p_last_picture->i_refcount )
846 p_last_picture->i_status = DISPLAYED_PICTURE;
850 p_last_picture->i_status = DESTROYED_PICTURE;
851 p_vout->i_heap_size--;
853 vlc_mutex_unlock( &p_vout->picture_lock );
854 p_last_picture = NULL;
857 /* Compute FPS rate */
858 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
861 if( !p_picture->b_force &&
862 p_picture != p_last_picture &&
863 display_date < current_date + p_vout->render_time &&
866 /* Picture is late: it will be destroyed and the thread
867 * will directly choose the next picture */
868 vlc_mutex_lock( &p_vout->picture_lock );
869 if( p_picture->i_refcount )
871 /* Pretend we displayed the picture, but don't destroy
872 * it since the decoder might still need it. */
873 p_picture->i_status = DISPLAYED_PICTURE;
877 /* Destroy the picture without displaying it */
878 p_picture->i_status = DESTROYED_PICTURE;
879 p_vout->i_heap_size--;
881 msg_Warn( p_vout, "late picture skipped (%"PRId64")",
882 current_date - display_date );
884 vlc_mutex_unlock( &p_vout->picture_lock );
890 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
892 /* Picture is waaay too early: it will be destroyed */
893 vlc_mutex_lock( &p_vout->picture_lock );
894 if( p_picture->i_refcount )
896 /* Pretend we displayed the picture, but don't destroy
897 * it since the decoder might still need it. */
898 p_picture->i_status = DISPLAYED_PICTURE;
902 /* Destroy the picture without displaying it */
903 p_picture->i_status = DESTROYED_PICTURE;
904 p_vout->i_heap_size--;
907 msg_Warn( p_vout, "vout warning: early picture skipped "
908 "(%"PRId64")", display_date - current_date
909 - p_vout->i_pts_delay );
910 vlc_mutex_unlock( &p_vout->picture_lock );
915 if( display_date > current_date + VOUT_DISPLAY_DELAY )
917 /* A picture is ready to be rendered, but its rendering date
918 * is far from the current one so the thread will perform an
919 * empty loop as if no picture were found. The picture state
924 else if( p_picture == p_last_picture )
926 /* We are asked to repeat the previous picture, but we first
927 * wait for a couple of idle loops */
928 if( i_idle_loops < 4 )
935 /* We set the display date to something high, otherwise
936 * we'll have lots of problems with late pictures */
937 display_date = current_date + p_vout->render_time;
942 if( p_picture == NULL )
947 /* Video Filter2 stuff */
948 if( p_vout->psz_vf2 )
952 vlc_mutex_lock( &p_vout->vfilter_lock );
954 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
955 fmt.video = p_vout->fmt_render;
956 filter_chain_Reset( p_vout->p_vf2_chain, &fmt, &fmt );
958 if( filter_chain_AppendFromString( p_vout->p_vf2_chain,
959 p_vout->psz_vf2 ) < 0 )
960 msg_Err( p_vout, "Video filter chain creation failed" );
962 free( p_vout->psz_vf2 );
963 p_vout->psz_vf2 = NULL;
964 vlc_mutex_unlock( &p_vout->vfilter_lock );
969 p_picture = filter_chain_VideoFilter( p_vout->p_vf2_chain,
973 if( p_picture && p_vout->b_snapshot )
975 p_vout->b_snapshot = false;
976 vout_Snapshot( p_vout, p_picture );
980 * Check for subpictures to display
982 if( display_date > 0 )
986 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
989 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
990 p_input ? var_GetBool( p_input, "state" ) == PAUSE_S : false );
992 vlc_object_release( p_input );
1000 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
1003 * Call the plugin-specific rendering method if there is one
1005 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1007 /* Render the direct buffer returned by vout_RenderPicture */
1008 p_vout->pf_render( p_vout, p_directbuffer );
1014 if( display_date != 0 && p_directbuffer != NULL )
1016 mtime_t current_render_time = mdate() - current_date;
1017 /* if render time is very large we don't include it in the mean */
1018 if( current_render_time < p_vout->render_time +
1019 VOUT_DISPLAY_DELAY )
1021 /* Store render time using a sliding mean weighting to
1022 * current value in a 3 to 1 ratio*/
1023 p_vout->render_time *= 3;
1024 p_vout->render_time += current_render_time;
1025 p_vout->render_time >>= 2;
1029 /* Give back change lock */
1030 vlc_mutex_unlock( &p_vout->change_lock );
1032 vlc_object_unlock( p_vout );
1034 /* Sleep a while or until a given date */
1035 if( display_date != 0 )
1037 /* If there are filters in the chain, better give them the picture
1039 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1041 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1046 msleep( VOUT_IDLE_SLEEP );
1049 /* On awakening, take back lock and send immediately picture
1051 vlc_object_lock( p_vout );
1052 /* Note: vlc_object_alive() could be false here, and we
1054 vlc_mutex_lock( &p_vout->change_lock );
1057 * Display the previously rendered picture
1059 if( p_picture != NULL && p_directbuffer != NULL )
1061 /* Display the direct buffer returned by vout_RenderPicture */
1062 if( p_vout->pf_display )
1064 p_vout->pf_display( p_vout, p_directbuffer );
1067 /* Tell the vout this was the last picture and that it does not
1068 * need to be forced anymore. */
1069 p_last_picture = p_picture;
1070 p_last_picture->b_force = 0;
1073 if( p_picture != NULL )
1075 /* Reinitialize idle loop count */
1080 * Check events and manage thread
1082 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1084 /* A fatal error occurred, and the thread must terminate
1085 * immediately, without displaying anything - setting b_error to 1
1086 * causes the immediate end of the main while() loop. */
1087 p_vout->b_error = 1;
1090 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1092 /* this must only happen when the vout plugin is incapable of
1093 * rescaling the picture itself. In this case we need to destroy
1094 * the current picture buffers and recreate new ones with the right
1098 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1100 p_vout->pf_end( p_vout );
1101 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1102 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1104 I_OUTPUTPICTURES = 0;
1105 if( p_vout->pf_init( p_vout ) )
1107 msg_Err( p_vout, "cannot resize display" );
1108 /* FIXME: pf_end will be called again in EndThread() */
1109 p_vout->b_error = 1;
1112 /* Need to reinitialise the chroma plugin. Since we might need
1113 * resizing too and it's not sure that we already had it,
1114 * recreate the chroma plugin chain from scratch. */
1116 if( p_vout->p_chroma->p_module )
1118 filter_t *p_chroma = p_vout->p_chroma;
1119 module_Unneed( p_chroma, p_chroma->p_module );
1120 p_chroma->fmt_out.video = p_vout->fmt_out;
1121 p_chroma->fmt_out.video.i_rmask = p_vout->output.i_rmask;
1122 p_chroma->fmt_out.video.i_gmask = p_vout->output.i_gmask;
1123 p_chroma->fmt_out.video.i_bmask = p_vout->output.i_bmask;
1124 p_chroma->fmt_out.video.i_rrshift = p_vout->output.i_rrshift;
1125 p_chroma->fmt_out.video.i_lrshift = p_vout->output.i_lrshift;
1126 p_chroma->fmt_out.video.i_rgshift = p_vout->output.i_rgshift;
1127 p_chroma->fmt_out.video.i_lgshift = p_vout->output.i_lgshift;
1128 p_chroma->fmt_out.video.i_rbshift = p_vout->output.i_rbshift;
1129 p_chroma->fmt_out.video.i_lbshift = p_vout->output.i_lbshift;
1130 p_chroma->p_module = module_Need( p_chroma, "video filter2", NULL, 0 );
1131 if( !p_chroma->p_module )
1133 msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
1138 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1140 /* This happens when the picture buffers need to be recreated.
1141 * This is useful on multimonitor displays for instance.
1143 * Warning: This only works when the vout creates only 1 picture
1145 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1147 if( !p_vout->b_direct )
1149 module_Unneed( p_vout->p_chroma, p_vout->p_chroma->p_module );
1150 p_vout->p_chroma = NULL;
1153 vlc_mutex_lock( &p_vout->picture_lock );
1155 p_vout->pf_end( p_vout );
1157 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1159 p_vout->b_error = InitThread( p_vout );
1161 vlc_mutex_unlock( &p_vout->picture_lock );
1168 vlc_object_release( p_input );
1172 * Error loop - wait until the thread destruction is requested
1174 if( p_vout->b_error )
1176 ErrorThread( p_vout );
1180 EndThread( p_vout );
1181 vlc_object_unlock( p_vout );
1184 /*****************************************************************************
1185 * ErrorThread: RunThread() error loop
1186 *****************************************************************************
1187 * This function is called when an error occurred during thread main's loop.
1188 * The thread can still receive feed, but must be ready to terminate as soon
1190 *****************************************************************************/
1191 static void ErrorThread( vout_thread_t *p_vout )
1193 /* Wait until a `die' order */
1194 while( !p_vout->b_die )
1197 msleep( VOUT_IDLE_SLEEP );
1201 /*****************************************************************************
1202 * EndThread: thread destruction
1203 *****************************************************************************
1204 * This function is called when the thread ends after a sucessful
1205 * initialization. It frees all resources allocated by InitThread.
1206 *****************************************************************************/
1207 static void EndThread( vout_thread_t *p_vout )
1209 int i_index; /* index in heap */
1213 struct tms cpu_usage;
1214 times( &cpu_usage );
1216 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1217 cpu_usage.tms_utime, cpu_usage.tms_stime );
1221 if( !p_vout->b_direct )
1223 module_Unneed( p_vout->p_chroma, p_vout->p_chroma->p_module );
1224 p_vout->p_chroma->p_module = NULL;
1227 /* Destroy all remaining pictures */
1228 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1230 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1232 free( p_vout->p_picture[i_index].p_data_orig );
1236 /* Destroy subpicture unit */
1237 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1238 spu_Destroy( p_vout->p_spu );
1240 /* Destroy the video filters2 */
1241 filter_chain_Delete( p_vout->p_vf2_chain );
1243 /* Destroy translation tables */
1244 p_vout->pf_end( p_vout );
1246 /* Release the change lock */
1247 vlc_mutex_unlock( &p_vout->change_lock );
1250 /* following functions are local */
1252 static int ReduceHeight( int i_ratio )
1254 int i_dummy = VOUT_ASPECT_FACTOR;
1262 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1263 while( !(i_ratio & 1) && !(i_dummy & 1) )
1270 while( !(i_ratio % 3) && !(i_dummy % 3) )
1277 while( !(i_ratio % 5) && !(i_dummy % 5) )
1287 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1289 unsigned int i_pgcd = ReduceHeight( i_aspect );
1290 *i_aspect_x = i_aspect / i_pgcd;
1291 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1294 /*****************************************************************************
1295 * BinaryLog: computes the base 2 log of a binary value
1296 *****************************************************************************
1297 * This functions is used by MaskToShift, to get a bit index from a binary
1299 *****************************************************************************/
1300 static int BinaryLog( uint32_t i )
1304 if( i == 0 ) return -31337;
1306 if( i & 0xffff0000 ) i_log += 16;
1307 if( i & 0xff00ff00 ) i_log += 8;
1308 if( i & 0xf0f0f0f0 ) i_log += 4;
1309 if( i & 0xcccccccc ) i_log += 2;
1310 if( i & 0xaaaaaaaa ) i_log += 1;
1315 /*****************************************************************************
1316 * MaskToShift: transform a color mask into right and left shifts
1317 *****************************************************************************
1318 * This function is used for obtaining color shifts from masks.
1319 *****************************************************************************/
1320 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1322 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1326 *pi_left = *pi_right = 0;
1331 i_low = i_high = i_mask;
1333 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1334 i_high += i_low; /* higher bit of the mask */
1336 /* Transform bits into an index. Also deal with i_high overflow, which
1337 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1338 i_low = BinaryLog (i_low);
1339 i_high = i_high ? BinaryLog (i_high) : 32;
1341 /* Update pointers and return */
1343 *pi_right = (8 - i_high + i_low);
1346 /*****************************************************************************
1347 * vout_VarCallback: generic callback for intf variables
1348 *****************************************************************************/
1349 int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
1350 vlc_value_t oldval, vlc_value_t newval,
1353 vout_thread_t * p_vout = (vout_thread_t *)p_this;
1355 (void)psz_variable; (void)newval; (void)oldval; (void)p_data;
1357 var_Set( p_vout, "intf-change", val );
1361 /*****************************************************************************
1362 * Helper thread for object variables callbacks.
1363 * Only used to avoid deadlocks when using the video embedded mode.
1364 *****************************************************************************/
1365 typedef struct suxor_thread_t
1368 input_thread_t *p_input;
1372 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1376 vlc_thread_ready( p_this );
1378 /* Now restart current video stream */
1379 var_Get( p_this->p_input, "video-es", &val );
1380 if( val.i_int >= 0 )
1383 val_es.i_int = -VIDEO_ES;
1384 var_Set( p_this->p_input, "video-es", val_es );
1385 var_Set( p_this->p_input, "video-es", val );
1388 vlc_object_release( p_this->p_input );
1390 vlc_object_release( p_this );
1393 /*****************************************************************************
1394 * object variables callbacks: a bunch of object variables are used by the
1395 * interfaces to interact with the vout.
1396 *****************************************************************************/
1397 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1398 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1400 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1401 input_thread_t *p_input;
1404 char *psz_mode = newval.psz_string;
1405 char *psz_filter, *psz_deinterlace = NULL;
1406 (void)psz_cmd; (void)oldval; (void)p_data;
1408 var_Get( p_vout, "vout-filter", &val );
1409 psz_filter = val.psz_string;
1410 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1412 if( !psz_mode || !*psz_mode )
1414 if( psz_deinterlace )
1416 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1417 if( psz_src[0] == ':' ) psz_src++;
1418 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1421 else if( !psz_deinterlace )
1423 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1424 sizeof(":deinterlace") );
1425 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1426 strcat( psz_filter, "deinterlace" );
1429 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1431 if( !p_input ) return VLC_EGENERIC;
1433 if( psz_mode && *psz_mode )
1435 /* Modify input as well because the vout might have to be restarted */
1436 val.psz_string = psz_mode;
1437 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1438 var_Set( p_input, "deinterlace-mode", val );
1440 vlc_object_release( p_input );
1443 var_Set( p_vout, "intf-change", val );
1445 val.psz_string = psz_filter;
1446 var_Set( p_vout, "vout-filter", val );
1452 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1453 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1455 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1456 input_thread_t *p_input;
1458 (void)psz_cmd; (void)oldval; (void)p_data;
1460 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1464 msg_Err( p_vout, "Input not found" );
1465 return( VLC_EGENERIC );
1469 var_Set( p_vout, "intf-change", val );
1471 /* Modify input as well because the vout might have to be restarted */
1472 val.psz_string = newval.psz_string;
1473 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1475 var_Set( p_input, "vout-filter", val );
1477 /* Now restart current video stream */
1478 var_Get( p_input, "video-es", &val );
1479 if( val.i_int >= 0 )
1481 suxor_thread_t *p_suxor =
1482 vlc_object_create( p_vout, sizeof(suxor_thread_t) );
1483 p_suxor->p_input = p_input;
1484 p_vout->b_filter_change = true;
1485 vlc_object_yield( p_input );
1486 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1487 VLC_THREAD_PRIORITY_LOW, false );
1490 vlc_object_release( p_input );
1495 /*****************************************************************************
1496 * Video Filter2 stuff
1497 *****************************************************************************/
1498 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1499 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1501 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1502 (void)psz_cmd; (void)oldval; (void)p_data;
1504 vlc_mutex_lock( &p_vout->vfilter_lock );
1505 p_vout->psz_vf2 = strdup( newval.psz_string );
1506 vlc_mutex_unlock( &p_vout->vfilter_lock );
1511 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1513 input_thread_t *p_input;
1514 mtime_t i_now, i_stop;
1516 p_input = (input_thread_t *)vlc_object_find( p_vout,
1517 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1521 i_stop = i_now + (mtime_t)(p_vout->i_title_timeout * 1000);
1522 char *psz_nowplaying =
1523 input_item_GetNowPlaying( input_GetItem( p_input ) );
1524 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1525 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1526 if( EMPTY_STR( psz_name ) )
1529 psz_name = input_item_GetName( input_GetItem( p_input ) );
1531 if( !EMPTY_STR( psz_nowplaying ) )
1533 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1534 psz_nowplaying, NULL,
1535 p_vout->i_title_position,
1536 30 + p_vout->fmt_in.i_width
1537 - p_vout->fmt_in.i_visible_width
1538 - p_vout->fmt_in.i_x_offset,
1539 20 + p_vout->fmt_in.i_y_offset,
1542 else if( !EMPTY_STR( psz_artist ) )
1544 char *psz_string = NULL;
1545 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
1547 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1549 p_vout->i_title_position,
1550 30 + p_vout->fmt_in.i_width
1551 - p_vout->fmt_in.i_visible_width
1552 - p_vout->fmt_in.i_x_offset,
1553 20 + p_vout->fmt_in.i_y_offset,
1560 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1562 p_vout->i_title_position,
1563 30 + p_vout->fmt_in.i_width
1564 - p_vout->fmt_in.i_visible_width
1565 - p_vout->fmt_in.i_x_offset,
1566 20 + p_vout->fmt_in.i_y_offset,
1569 vlc_object_release( p_input );
1572 free( psz_nowplaying );