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"
62 /*****************************************************************************
64 *****************************************************************************/
65 static int InitThread ( vout_thread_t * );
66 static void RunThread ( vout_thread_t * );
67 static void ErrorThread ( vout_thread_t * );
68 static void CleanThread ( vout_thread_t * );
69 static void EndThread ( vout_thread_t * );
71 static void AspectRatio ( int, int *, int * );
72 static int BinaryLog ( uint32_t );
73 static void MaskToShift ( int *, int *, uint32_t );
75 static void vout_Destructor ( vlc_object_t * p_this );
77 /* Object variables callbacks */
78 static int DeinterlaceCallback( vlc_object_t *, char const *,
79 vlc_value_t, vlc_value_t, void * );
80 static int FilterCallback( vlc_object_t *, char const *,
81 vlc_value_t, vlc_value_t, void * );
82 static int VideoFilter2Callback( vlc_object_t *, char const *,
83 vlc_value_t, vlc_value_t, void * );
85 /* From vout_intf.c */
86 int vout_Snapshot( vout_thread_t *, picture_t * );
88 /* Display media title in OSD */
89 static void DisplayTitleOnOSD( vout_thread_t *p_vout );
91 /*****************************************************************************
92 * Video Filter2 functions
93 *****************************************************************************/
94 static picture_t *video_new_buffer_filter( filter_t *p_filter )
97 vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
99 p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
104 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
106 vout_DestroyPicture( (vout_thread_t*)p_filter->p_owner, p_pic );
109 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
111 p_filter->pf_vout_buffer_new = video_new_buffer_filter;
112 p_filter->pf_vout_buffer_del = video_del_buffer_filter;
113 p_filter->p_owner = p_data; /* p_vout */
117 /*****************************************************************************
118 * vout_Request: find a video output thread, create one, or destroy one.
119 *****************************************************************************
120 * This function looks for a video output thread matching the current
121 * properties. If not found, it spawns a new one.
122 *****************************************************************************/
123 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
124 video_format_t *p_fmt )
128 /* Video output is no longer used.
129 * TODO: support for reusing video outputs with proper _thread-safe_
130 * reference handling. */
132 vout_CloseAndRelease( p_vout );
136 /* If a video output was provided, lock it, otherwise look for one. */
139 vlc_object_yield( p_vout );
142 /* TODO: find a suitable unused video output */
144 /* If we now have a video output, check it has the right properties */
147 char *psz_filter_chain;
150 /* We don't directly check for the "vout-filter" variable for obvious
151 * performance reasons. */
152 if( p_vout->b_filter_change )
154 var_Get( p_vout, "vout-filter", &val );
155 psz_filter_chain = val.psz_string;
157 if( psz_filter_chain && !*psz_filter_chain )
159 free( psz_filter_chain );
160 psz_filter_chain = NULL;
162 if( p_vout->psz_filter_chain && !*p_vout->psz_filter_chain )
164 free( p_vout->psz_filter_chain );
165 p_vout->psz_filter_chain = NULL;
168 if( !psz_filter_chain && !p_vout->psz_filter_chain )
170 p_vout->b_filter_change = false;
173 free( psz_filter_chain );
176 if( ( p_vout->fmt_render.i_width != p_fmt->i_width ) ||
177 ( p_vout->fmt_render.i_height != p_fmt->i_height ) ||
178 ( p_vout->fmt_render.i_aspect != p_fmt->i_aspect ) ||
179 p_vout->b_filter_change )
181 /* We are not interested in this format, close this vout */
182 vout_CloseAndRelease( p_vout );
183 vlc_object_release( p_vout );
188 /* This video output is cool! Hijack it. */
189 spu_Attach( p_vout->p_spu, p_this, true );
190 vlc_object_attach( p_vout, p_this );
191 if( p_vout->b_title_show )
192 DisplayTitleOnOSD( p_vout );
193 vlc_object_release( p_vout );
199 msg_Dbg( p_this, "no usable vout present, spawning one" );
201 p_vout = vout_Create( p_this, p_fmt );
207 /*****************************************************************************
208 * vout_Create: creates a new video output thread
209 *****************************************************************************
210 * This function creates a new video output thread, and returns a pointer
211 * to its description. On error, it returns NULL.
212 *****************************************************************************/
213 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
215 vout_thread_t * p_vout; /* thread descriptor */
216 input_thread_t * p_input_thread;
217 int i_index; /* loop variable */
218 vlc_value_t val, text;
220 unsigned int i_width = p_fmt->i_width;
221 unsigned int i_height = p_fmt->i_height;
222 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
223 unsigned int i_aspect = p_fmt->i_aspect;
225 config_chain_t *p_cfg;
229 /* Allocate descriptor */
230 static const char typename[] = "video output";
231 p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
236 /* Initialize pictures - translation tables and functions
237 * will be initialized later in InitThread */
238 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
240 p_vout->p_picture[i_index].pf_lock = NULL;
241 p_vout->p_picture[i_index].pf_unlock = NULL;
242 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
243 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
244 p_vout->p_picture[i_index].b_slow = 0;
247 /* No images in the heap */
248 p_vout->i_heap_size = 0;
250 /* Initialize the rendering heap */
251 I_RENDERPICTURES = 0;
253 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
254 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
255 p_vout->fmt_render = *p_fmt; /* FIXME palette */
256 p_vout->fmt_in = *p_fmt; /* FIXME palette */
258 p_vout->render.i_width = i_width;
259 p_vout->render.i_height = i_height;
260 p_vout->render.i_chroma = i_chroma;
261 p_vout->render.i_aspect = i_aspect;
263 p_vout->render.i_rmask = p_fmt->i_rmask;
264 p_vout->render.i_gmask = p_fmt->i_gmask;
265 p_vout->render.i_bmask = p_fmt->i_bmask;
267 p_vout->render.i_last_used_pic = -1;
268 p_vout->render.b_allow_modify_pics = 1;
270 /* Zero the output heap */
271 I_OUTPUTPICTURES = 0;
272 p_vout->output.i_width = 0;
273 p_vout->output.i_height = 0;
274 p_vout->output.i_chroma = 0;
275 p_vout->output.i_aspect = 0;
277 p_vout->output.i_rmask = 0;
278 p_vout->output.i_gmask = 0;
279 p_vout->output.i_bmask = 0;
281 /* Initialize misc stuff */
282 p_vout->i_changes = 0;
284 p_vout->b_grayscale = 0;
286 p_vout->b_interface = 0;
288 p_vout->b_fullscreen = 0;
289 p_vout->i_alignment = 0;
290 p_vout->render_time = 10;
291 p_vout->c_fps_samples = 0;
292 p_vout->b_filter_change = 0;
293 p_vout->pf_control = NULL;
294 p_vout->p_window = NULL;
295 p_vout->i_par_num = p_vout->i_par_den = 1;
297 /* Initialize locks */
298 vlc_mutex_init( &p_vout->picture_lock );
299 vlc_mutex_init( &p_vout->change_lock );
300 vlc_mutex_init( &p_vout->vfilter_lock );
302 /* Mouse coordinates */
303 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
304 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
305 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
306 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
307 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
309 /* Initialize subpicture unit */
310 p_vout->p_spu = spu_Create( p_vout );
311 spu_Attach( p_vout->p_spu, p_parent, true );
313 /* Attach the new object now so we can use var inheritance below */
314 vlc_object_attach( p_vout, p_parent );
316 spu_Init( p_vout->p_spu );
318 /* Take care of some "interface/control" related initialisations */
319 vout_IntfInit( p_vout );
321 /* If the parent is not a VOUT object, that means we are at the start of
322 * the video output pipe */
323 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
325 /* Look for the default filter configuration */
326 p_vout->psz_filter_chain =
327 var_CreateGetStringCommand( p_vout, "vout-filter" );
329 /* Apply video filter2 objects on the first vout */
331 var_CreateGetStringCommand( p_vout, "video-filter" );
335 /* continue the parent's filter chain */
338 /* Ugly hack to jump to our configuration chain */
339 p_vout->psz_filter_chain
340 = ((vout_thread_t *)p_parent)->psz_filter_chain;
341 p_vout->psz_filter_chain
342 = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->psz_filter_chain );
343 config_ChainDestroy( p_cfg );
346 /* Create a video filter2 var ... but don't inherit values */
347 var_Create( p_vout, "video-filter",
348 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
349 p_vout->psz_vf2 = var_GetString( p_vout, "video-filter" );
352 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
353 p_vout->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
354 false, video_filter_buffer_allocation_init, NULL, p_vout );
356 /* Choose the video output module */
357 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
359 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
360 var_Get( p_vout, "vout", &val );
361 psz_parser = val.psz_string;
365 psz_parser = strdup( p_vout->psz_filter_chain );
368 /* Create the vout thread */
369 config_ChainCreate( &psz_name, &p_cfg, psz_parser );
371 p_vout->p_cfg = p_cfg;
372 p_vout->p_module = module_Need( p_vout,
373 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
374 "video filter" : "video output", psz_name, p_vout->psz_filter_chain && *p_vout->psz_filter_chain );
377 if( p_vout->p_module == NULL )
379 msg_Err( p_vout, "no suitable vout module" );
380 // FIXME it's ugly but that's exactly the function that need to be called.
382 vlc_object_detach( p_vout );
383 vlc_object_release( p_vout );
387 /* Create a few object variables for interface interaction */
388 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
389 text.psz_string = _("Deinterlace");
390 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
391 val.psz_string = (char *)""; text.psz_string = _("Disable");
392 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
393 val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
394 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
395 val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
396 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
397 val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
398 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
399 val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
400 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
401 val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
402 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
403 val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
404 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
406 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
408 var_Set( p_vout, "deinterlace", val );
409 free( val.psz_string );
411 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
413 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
414 text.psz_string = _("Filters");
415 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
416 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
418 /* Calculate delay created by internal caching */
419 p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
420 VLC_OBJECT_INPUT, FIND_ANYWHERE );
423 p_vout->i_pts_delay = p_input_thread->i_pts_delay;
424 vlc_object_release( p_input_thread );
428 p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
431 if( vlc_thread_create( p_vout, "video output", RunThread,
432 VLC_THREAD_PRIORITY_OUTPUT, true ) )
434 module_Unneed( p_vout, p_vout->p_module );
435 vlc_object_release( p_vout );
439 vlc_object_set_destructor( p_vout, vout_Destructor );
441 if( p_vout->b_error )
443 msg_Err( p_vout, "video output creation failed" );
444 vout_CloseAndRelease( p_vout );
451 /*****************************************************************************
452 * vout_Close: Close a vout created by vout_Create.
453 *****************************************************************************
454 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
455 * You should NEVER call it on vout not obtained though vout_Create
456 * (like with vout_Request or vlc_object_find.)
457 * You can use vout_CloseAndRelease() as a convenient method.
458 *****************************************************************************/
459 void vout_Close( vout_thread_t *p_vout )
463 vlc_object_kill( p_vout );
464 vlc_thread_join( p_vout );
465 module_Unneed( p_vout, p_vout->p_module );
466 p_vout->p_module = NULL;
470 static void vout_Destructor( vlc_object_t * p_this )
472 vout_thread_t *p_vout = (vout_thread_t *)p_this;
474 /* Make sure the vout was stopped first */
475 assert( !p_vout->p_module );
477 /* Destroy the locks */
478 vlc_mutex_destroy( &p_vout->picture_lock );
479 vlc_mutex_destroy( &p_vout->change_lock );
480 vlc_mutex_destroy( &p_vout->vfilter_lock );
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 * XXX You have to enter it with change_lock taken.
510 *****************************************************************************/
511 static int ChromaCreate( vout_thread_t *p_vout );
512 static void ChromaDestroy( vout_thread_t *p_vout );
513 static void DropPicture( vout_thread_t *p_vout, picture_t *p_picture );
515 static int InitThread( vout_thread_t *p_vout )
517 int i, i_aspect_x, i_aspect_y;
523 /* Initialize output method, it allocates direct buffers for us */
524 if( p_vout->pf_init( p_vout ) )
527 if( !I_OUTPUTPICTURES )
529 msg_Err( p_vout, "plugin was unable to allocate at least "
530 "one direct buffer" );
531 p_vout->pf_end( p_vout );
535 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
537 msg_Err( p_vout, "plugin allocated too many direct buffers, "
538 "our internal buffers must have overflown." );
539 p_vout->pf_end( p_vout );
543 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
545 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
547 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
548 "chroma %4.4s, ar %i:%i, sar %i:%i",
549 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
550 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
551 p_vout->fmt_render.i_visible_width,
552 p_vout->fmt_render.i_visible_height,
553 (char*)&p_vout->fmt_render.i_chroma,
554 i_aspect_x, i_aspect_y,
555 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
557 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
559 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
560 "chroma %4.4s, ar %i:%i, sar %i:%i",
561 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
562 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
563 p_vout->fmt_in.i_visible_width,
564 p_vout->fmt_in.i_visible_height,
565 (char*)&p_vout->fmt_in.i_chroma,
566 i_aspect_x, i_aspect_y,
567 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
569 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
571 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
572 p_vout->output.i_width;
573 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
574 p_vout->output.i_height;
575 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
577 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
578 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
580 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
582 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
583 p_vout->fmt_out.i_height;
584 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
585 p_vout->fmt_out.i_width;
588 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
589 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
591 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
593 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
594 "chroma %4.4s, ar %i:%i, sar %i:%i",
595 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
596 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
597 p_vout->fmt_out.i_visible_width,
598 p_vout->fmt_out.i_visible_height,
599 (char*)&p_vout->fmt_out.i_chroma,
600 i_aspect_x, i_aspect_y,
601 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
603 /* Calculate shifts from system-updated masks */
604 MaskToShift( &p_vout->render.i_lrshift, &p_vout->output.i_rrshift,
605 p_vout->render.i_rmask );
606 MaskToShift( &p_vout->render.i_lgshift, &p_vout->output.i_rgshift,
607 p_vout->render.i_gmask );
608 MaskToShift( &p_vout->render.i_lbshift, &p_vout->output.i_rbshift,
609 p_vout->render.i_bmask );
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 if( ChromaCreate( p_vout ) )
657 p_vout->pf_end( p_vout );
661 msg_Dbg( p_vout, "indirect render, mapping "
662 "render pictures 0-%i to system pictures %i-%i",
663 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
664 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
666 /* Append render buffers after the direct buffers */
667 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
669 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
672 /* Check if we have enough render pictures */
673 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
678 /* Link pictures back to their heap */
679 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
681 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
684 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
686 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
692 /*****************************************************************************
693 * RunThread: video output thread
694 *****************************************************************************
695 * Video output thread. This function does only returns when the thread is
696 * terminated. It handles the pictures arriving in the video heap and the
697 * display device events.
698 *****************************************************************************/
699 static void RunThread( vout_thread_t *p_vout)
701 int i_index; /* index in heap */
702 int i_idle_loops = 0; /* loops without displaying a picture */
703 mtime_t current_date; /* current date */
704 mtime_t display_date; /* display date */
706 picture_t * p_picture; /* picture pointer */
707 picture_t * p_last_picture = NULL; /* last picture */
708 picture_t * p_directbuffer; /* direct buffer to display */
710 subpicture_t * p_subpic = NULL; /* subpicture pointer */
712 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
717 int i_displayed = 0, i_lost = 0, i_loops = 0;
722 vlc_mutex_lock( &p_vout->change_lock );
723 p_vout->b_error = InitThread( p_vout );
725 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
726 var_Get( p_vout, "drop-late-frames", &val );
727 b_drop_late = val.b_bool;
729 /* signal the creation of the vout */
730 vlc_thread_ready( p_vout );
732 if( p_vout->b_error )
735 vlc_mutex_unlock( &p_vout->change_lock );
739 vlc_object_lock( p_vout );
741 if( p_vout->b_title_show )
742 DisplayTitleOnOSD( p_vout );
745 * Main loop - it is not executed if an error occurred during
748 while( vlc_object_alive( p_vout ) && !p_vout->b_error )
750 /* Initialize loop variables */
753 current_date = mdate();
758 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
763 vlc_mutex_lock( &p_input->p->counters.counters_lock );
764 stats_UpdateInteger( p_vout, p_input->p->counters.p_lost_pictures,
766 stats_UpdateInteger( p_vout,
767 p_input->p->counters.p_displayed_pictures,
769 i_displayed = i_lost = 0;
770 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
771 vlc_object_release( p_input );
776 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
778 msg_Dbg( p_vout, "picture heap: %d/%d",
779 I_RENDERPICTURES, p_vout->i_heap_size );
784 * Find the picture to display (the one with the earliest date).
785 * This operation does not need lock, since only READY_PICTUREs
787 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
789 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
790 && ( (p_picture == NULL) ||
791 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
793 p_picture = PP_RENDERPICTURE[i_index];
794 display_date = p_picture->date;
800 /* If we met the last picture, parse again to see whether there is
801 * a more appropriate one. */
802 if( p_picture == p_last_picture )
804 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
806 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
807 && (PP_RENDERPICTURE[i_index] != p_last_picture)
808 && ((p_picture == p_last_picture) ||
809 (PP_RENDERPICTURE[i_index]->date < display_date)) )
811 p_picture = PP_RENDERPICTURE[i_index];
812 display_date = p_picture->date;
817 /* If we found better than the last picture, destroy it */
818 if( p_last_picture && p_picture != p_last_picture )
820 DropPicture( p_vout, p_last_picture );
821 p_last_picture = NULL;
824 /* Compute FPS rate */
825 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
828 if( !p_picture->b_force &&
829 p_picture != p_last_picture &&
830 display_date < current_date + p_vout->render_time &&
833 /* Picture is late: it will be destroyed and the thread
834 * will directly choose the next picture */
835 DropPicture( p_vout, p_picture );
837 msg_Warn( p_vout, "late picture skipped (%"PRId64")",
838 current_date - display_date );
843 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
845 /* Picture is waaay too early: it will be destroyed */
846 DropPicture( p_vout, p_picture );
848 msg_Warn( p_vout, "vout warning: early picture skipped "
849 "(%"PRId64")", display_date - current_date
850 - p_vout->i_pts_delay );
854 if( display_date > current_date + VOUT_DISPLAY_DELAY )
856 /* A picture is ready to be rendered, but its rendering date
857 * is far from the current one so the thread will perform an
858 * empty loop as if no picture were found. The picture state
863 else if( p_picture == p_last_picture )
865 /* We are asked to repeat the previous picture, but we first
866 * wait for a couple of idle loops */
867 if( i_idle_loops < 4 )
874 /* We set the display date to something high, otherwise
875 * we'll have lots of problems with late pictures */
876 display_date = current_date + p_vout->render_time;
881 if( p_picture == NULL )
888 p_picture = filter_chain_VideoFilter( p_vout->p_vf2_chain,
892 if( p_picture && p_vout->b_snapshot )
894 p_vout->b_snapshot = false;
895 vout_Snapshot( p_vout, p_picture );
899 * Check for subpictures to display
901 if( display_date > 0 )
905 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
908 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
909 p_input ? var_GetBool( p_input, "state" ) == PAUSE_S : false );
911 vlc_object_release( p_input );
919 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
922 * Call the plugin-specific rendering method if there is one
924 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
926 /* Render the direct buffer returned by vout_RenderPicture */
927 p_vout->pf_render( p_vout, p_directbuffer );
933 if( display_date != 0 && p_directbuffer != NULL )
935 mtime_t current_render_time = mdate() - current_date;
936 /* if render time is very large we don't include it in the mean */
937 if( current_render_time < p_vout->render_time +
940 /* Store render time using a sliding mean weighting to
941 * current value in a 3 to 1 ratio*/
942 p_vout->render_time *= 3;
943 p_vout->render_time += current_render_time;
944 p_vout->render_time >>= 2;
948 /* Give back change lock */
949 vlc_mutex_unlock( &p_vout->change_lock );
951 vlc_object_unlock( p_vout );
953 /* Sleep a while or until a given date */
954 if( display_date != 0 )
956 /* If there are filters in the chain, better give them the picture
958 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
960 mwait( display_date - VOUT_MWAIT_TOLERANCE );
965 msleep( VOUT_IDLE_SLEEP );
968 /* On awakening, take back lock and send immediately picture
970 vlc_object_lock( p_vout );
971 /* Note: vlc_object_alive() could be false here, and we
973 vlc_mutex_lock( &p_vout->change_lock );
976 * Display the previously rendered picture
978 if( p_picture != NULL && p_directbuffer != NULL )
980 /* Display the direct buffer returned by vout_RenderPicture */
981 if( p_vout->pf_display )
983 p_vout->pf_display( p_vout, p_directbuffer );
986 /* Tell the vout this was the last picture and that it does not
987 * need to be forced anymore. */
988 p_last_picture = p_picture;
989 p_last_picture->b_force = 0;
992 if( p_picture != NULL )
994 /* Reinitialize idle loop count */
999 * Check events and manage thread
1001 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1003 /* A fatal error occurred, and the thread must terminate
1004 * immediately, without displaying anything - setting b_error to 1
1005 * causes the immediate end of the main while() loop. */
1007 p_vout->b_error = 1;
1011 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1013 /* this must only happen when the vout plugin is incapable of
1014 * rescaling the picture itself. In this case we need to destroy
1015 * the current picture buffers and recreate new ones with the right
1019 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1021 assert( !p_vout->b_direct );
1023 ChromaDestroy( p_vout );
1025 vlc_mutex_lock( &p_vout->picture_lock );
1027 p_vout->pf_end( p_vout );
1029 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1030 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1032 I_OUTPUTPICTURES = 0;
1034 if( p_vout->pf_init( p_vout ) )
1036 msg_Err( p_vout, "cannot resize display" );
1037 /* FIXME: pf_end will be called again in EndThread() */
1038 p_vout->b_error = 1;
1041 vlc_mutex_unlock( &p_vout->picture_lock );
1043 /* Need to reinitialise the chroma plugin. Since we might need
1044 * resizing too and it's not sure that we already had it,
1045 * recreate the chroma plugin chain from scratch. */
1047 if( ChromaCreate( p_vout ) )
1049 msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
1050 p_vout->b_error = 1;
1052 if( p_vout->b_error )
1056 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1058 /* This happens when the picture buffers need to be recreated.
1059 * This is useful on multimonitor displays for instance.
1061 * Warning: This only works when the vout creates only 1 picture
1063 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1065 if( !p_vout->b_direct )
1066 ChromaDestroy( p_vout );
1068 vlc_mutex_lock( &p_vout->picture_lock );
1070 p_vout->pf_end( p_vout );
1072 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1074 p_vout->b_error = InitThread( p_vout );
1075 if( p_vout->b_error )
1076 msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed\n" );
1078 vlc_mutex_unlock( &p_vout->picture_lock );
1080 if( p_vout->b_error )
1084 /* Check for "video filter2" changes */
1085 vlc_mutex_lock( &p_vout->vfilter_lock );
1086 if( p_vout->psz_vf2 )
1090 es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
1091 fmt.video = p_vout->fmt_render;
1092 filter_chain_Reset( p_vout->p_vf2_chain, &fmt, &fmt );
1094 if( filter_chain_AppendFromString( p_vout->p_vf2_chain,
1095 p_vout->psz_vf2 ) < 0 )
1096 msg_Err( p_vout, "Video filter chain creation failed" );
1098 free( p_vout->psz_vf2 );
1099 p_vout->psz_vf2 = NULL;
1101 vlc_mutex_unlock( &p_vout->vfilter_lock );
1107 vlc_object_release( p_input );
1111 * Error loop - wait until the thread destruction is requested
1113 if( p_vout->b_error )
1114 ErrorThread( p_vout );
1117 CleanThread( p_vout );
1118 EndThread( p_vout );
1119 vlc_mutex_unlock( &p_vout->change_lock );
1121 vlc_object_unlock( p_vout );
1124 /*****************************************************************************
1125 * ErrorThread: RunThread() error loop
1126 *****************************************************************************
1127 * This function is called when an error occurred during thread main's loop.
1128 * The thread can still receive feed, but must be ready to terminate as soon
1130 *****************************************************************************/
1131 static void ErrorThread( vout_thread_t *p_vout )
1133 /* Wait until a `die' order */
1134 while( vlc_object_alive( p_vout ) )
1135 vlc_object_wait( p_vout );
1138 /*****************************************************************************
1139 * CleanThread: clean up after InitThread
1140 *****************************************************************************
1141 * This function is called after a sucessful
1142 * initialization. It frees all resources allocated by InitThread.
1143 * XXX You have to enter it with change_lock taken.
1144 *****************************************************************************/
1145 static void CleanThread( vout_thread_t *p_vout )
1147 int i_index; /* index in heap */
1149 if( !p_vout->b_direct )
1150 ChromaDestroy( p_vout );
1152 /* Destroy all remaining pictures */
1153 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1155 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1157 free( p_vout->p_picture[i_index].p_data_orig );
1161 /* Destroy translation tables */
1162 if( !p_vout->b_error )
1163 p_vout->pf_end( p_vout );
1166 /*****************************************************************************
1167 * EndThread: thread destruction
1168 *****************************************************************************
1169 * This function is called when the thread ends.
1170 * It frees all resources not allocated by InitThread.
1171 * XXX You have to enter it with change_lock taken.
1172 *****************************************************************************/
1173 static void EndThread( vout_thread_t *p_vout )
1177 struct tms cpu_usage;
1178 times( &cpu_usage );
1180 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1181 cpu_usage.tms_utime, cpu_usage.tms_stime );
1185 /* FIXME does that function *really* need to be called inside the thread ? */
1187 /* Destroy subpicture unit */
1188 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
1189 spu_Destroy( p_vout->p_spu );
1191 /* Destroy the video filters2 */
1192 filter_chain_Delete( p_vout->p_vf2_chain );
1195 /* Thread helpers */
1196 static picture_t *ChromaGetPicture( filter_t *p_filter )
1198 picture_t *p_pic = (picture_t *)p_filter->p_owner;
1199 p_filter->p_owner = NULL;
1203 static void ChromaCopyRgbInfo( es_format_t *p_fmt, picture_heap_t *p_heap )
1205 p_fmt->video.i_rmask = p_heap->i_rmask;
1206 p_fmt->video.i_gmask = p_heap->i_gmask;
1207 p_fmt->video.i_bmask = p_heap->i_bmask;
1208 p_fmt->video.i_rrshift = p_heap->i_rrshift;
1209 p_fmt->video.i_lrshift = p_heap->i_lrshift;
1210 p_fmt->video.i_rgshift = p_heap->i_rgshift;
1211 p_fmt->video.i_lgshift = p_heap->i_lgshift;
1212 p_fmt->video.i_rbshift = p_heap->i_rbshift;
1213 p_fmt->video.i_lbshift = p_heap->i_lbshift;
1216 static int ChromaCreate( vout_thread_t *p_vout )
1218 static const char typename[] = "chroma";
1221 /* Choose the best module */
1222 p_chroma = p_vout->p_chroma =
1223 vlc_custom_create( p_vout, sizeof(filter_t), VLC_OBJECT_GENERIC,
1226 vlc_object_attach( p_chroma, p_vout );
1228 /* TODO: Set the fmt_in and fmt_out stuff here */
1229 p_chroma->fmt_in.video = p_vout->fmt_render;
1230 p_chroma->fmt_out.video = p_vout->fmt_out;
1231 ChromaCopyRgbInfo( &p_chroma->fmt_in, &p_vout->render );
1232 ChromaCopyRgbInfo( &p_chroma->fmt_out, &p_vout->output );
1234 p_chroma->p_module = module_Need( p_chroma, "video filter2", NULL, 0 );
1236 if( p_chroma->p_module == NULL )
1238 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s i=%dx%d o=%dx%d",
1239 (char*)&p_vout->render.i_chroma,
1240 (char*)&p_vout->output.i_chroma,
1241 p_chroma->fmt_in.video.i_width, p_chroma->fmt_in.video.i_height,
1242 p_chroma->fmt_out.video.i_width, p_chroma->fmt_out.video.i_height
1245 vlc_object_release( p_vout->p_chroma );
1246 p_vout->p_chroma = NULL;
1247 return VLC_EGENERIC;
1249 p_chroma->pf_vout_buffer_new = ChromaGetPicture;
1253 static void ChromaDestroy( vout_thread_t *p_vout )
1255 assert( !p_vout->b_direct );
1257 if( !p_vout->p_chroma )
1260 module_Unneed( p_vout->p_chroma, p_vout->p_chroma->p_module );
1261 vlc_object_release( p_vout->p_chroma );
1262 p_vout->p_chroma = NULL;
1265 static void DropPicture( vout_thread_t *p_vout, picture_t *p_picture )
1267 vlc_mutex_lock( &p_vout->picture_lock );
1268 if( p_picture->i_refcount )
1270 /* Pretend we displayed the picture, but don't destroy
1271 * it since the decoder might still need it. */
1272 p_picture->i_status = DISPLAYED_PICTURE;
1276 /* Destroy the picture without displaying it */
1277 p_picture->i_status = DESTROYED_PICTURE;
1278 p_vout->i_heap_size--;
1280 vlc_mutex_unlock( &p_vout->picture_lock );
1285 /* following functions are local */
1287 static int ReduceHeight( int i_ratio )
1289 int i_dummy = VOUT_ASPECT_FACTOR;
1297 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1298 while( !(i_ratio & 1) && !(i_dummy & 1) )
1305 while( !(i_ratio % 3) && !(i_dummy % 3) )
1312 while( !(i_ratio % 5) && !(i_dummy % 5) )
1322 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1324 unsigned int i_pgcd = ReduceHeight( i_aspect );
1325 *i_aspect_x = i_aspect / i_pgcd;
1326 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1329 /*****************************************************************************
1330 * BinaryLog: computes the base 2 log of a binary value
1331 *****************************************************************************
1332 * This functions is used by MaskToShift, to get a bit index from a binary
1334 *****************************************************************************/
1335 static int BinaryLog( uint32_t i )
1339 if( i == 0 ) return -31337;
1341 if( i & 0xffff0000 ) i_log += 16;
1342 if( i & 0xff00ff00 ) i_log += 8;
1343 if( i & 0xf0f0f0f0 ) i_log += 4;
1344 if( i & 0xcccccccc ) i_log += 2;
1345 if( i & 0xaaaaaaaa ) i_log += 1;
1350 /*****************************************************************************
1351 * MaskToShift: transform a color mask into right and left shifts
1352 *****************************************************************************
1353 * This function is used for obtaining color shifts from masks.
1354 *****************************************************************************/
1355 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1357 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1361 *pi_left = *pi_right = 0;
1366 i_low = i_high = i_mask;
1368 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1369 i_high += i_low; /* higher bit of the mask */
1371 /* Transform bits into an index. Also deal with i_high overflow, which
1372 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1373 i_low = BinaryLog (i_low);
1374 i_high = i_high ? BinaryLog (i_high) : 32;
1376 /* Update pointers and return */
1378 *pi_right = (8 - i_high + i_low);
1381 /*****************************************************************************
1382 * Helper thread for object variables callbacks.
1383 * Only used to avoid deadlocks when using the video embedded mode.
1384 *****************************************************************************/
1385 typedef struct suxor_thread_t
1388 input_thread_t *p_input;
1392 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1394 /* Now restart current video stream */
1395 int val = var_GetInteger( p_this->p_input, "video-es" );
1398 var_SetInteger( p_this->p_input, "video-es", -VIDEO_ES );
1399 var_SetInteger( p_this->p_input, "video-es", val );
1402 vlc_object_release( p_this->p_input );
1404 vlc_object_release( p_this );
1407 /*****************************************************************************
1408 * object variables callbacks: a bunch of object variables are used by the
1409 * interfaces to interact with the vout.
1410 *****************************************************************************/
1411 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1412 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1414 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1415 input_thread_t *p_input;
1418 char *psz_mode = newval.psz_string;
1419 char *psz_filter, *psz_deinterlace = NULL;
1420 (void)psz_cmd; (void)oldval; (void)p_data;
1422 var_Get( p_vout, "vout-filter", &val );
1423 psz_filter = val.psz_string;
1424 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1426 if( !psz_mode || !*psz_mode )
1428 if( psz_deinterlace )
1430 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1431 if( psz_src[0] == ':' ) psz_src++;
1432 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1435 else if( !psz_deinterlace )
1437 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1438 sizeof(":deinterlace") );
1439 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1440 strcat( psz_filter, "deinterlace" );
1443 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1445 if( !p_input ) return VLC_EGENERIC;
1447 if( psz_mode && *psz_mode )
1449 /* Modify input as well because the vout might have to be restarted */
1450 val.psz_string = psz_mode;
1451 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1452 var_Set( p_input, "deinterlace-mode", val );
1454 vlc_object_release( p_input );
1457 var_Set( p_vout, "intf-change", val );
1459 val.psz_string = psz_filter;
1460 var_Set( p_vout, "vout-filter", val );
1466 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1467 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1469 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1470 input_thread_t *p_input;
1472 (void)psz_cmd; (void)oldval; (void)p_data;
1474 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1478 msg_Err( p_vout, "Input not found" );
1479 return( VLC_EGENERIC );
1483 var_Set( p_vout, "intf-change", val );
1485 /* Modify input as well because the vout might have to be restarted */
1486 val.psz_string = newval.psz_string;
1487 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1489 var_Set( p_input, "vout-filter", val );
1491 /* Now restart current video stream */
1492 var_Get( p_input, "video-es", &val );
1493 if( val.i_int >= 0 )
1495 static const char typename[] = "kludge";
1496 suxor_thread_t *p_suxor =
1497 vlc_custom_create( p_vout, sizeof(suxor_thread_t),
1498 VLC_OBJECT_GENERIC, typename );
1499 p_suxor->p_input = p_input;
1500 p_vout->b_filter_change = true;
1501 vlc_object_yield( p_input );
1502 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1503 VLC_THREAD_PRIORITY_LOW, false );
1506 vlc_object_release( p_input );
1511 /*****************************************************************************
1512 * Video Filter2 stuff
1513 *****************************************************************************/
1514 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1515 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1517 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1518 (void)psz_cmd; (void)oldval; (void)p_data;
1520 vlc_mutex_lock( &p_vout->vfilter_lock );
1521 p_vout->psz_vf2 = strdup( newval.psz_string );
1522 vlc_mutex_unlock( &p_vout->vfilter_lock );
1527 static void DisplayTitleOnOSD( vout_thread_t *p_vout )
1529 input_thread_t *p_input;
1530 mtime_t i_now, i_stop;
1532 if( !config_GetInt( p_vout, "osd" ) ) return;
1534 p_input = (input_thread_t *)vlc_object_find( p_vout,
1535 VLC_OBJECT_INPUT, FIND_ANYWHERE );
1539 i_stop = i_now + (mtime_t)(p_vout->i_title_timeout * 1000);
1540 char *psz_nowplaying =
1541 input_item_GetNowPlaying( input_GetItem( p_input ) );
1542 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
1543 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
1544 if( EMPTY_STR( psz_name ) )
1547 psz_name = input_item_GetName( input_GetItem( p_input ) );
1549 if( !EMPTY_STR( psz_nowplaying ) )
1551 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1552 psz_nowplaying, NULL,
1553 p_vout->i_title_position,
1554 30 + p_vout->fmt_in.i_width
1555 - p_vout->fmt_in.i_visible_width
1556 - p_vout->fmt_in.i_x_offset,
1557 20 + p_vout->fmt_in.i_y_offset,
1560 else if( !EMPTY_STR( psz_artist ) )
1562 char *psz_string = NULL;
1563 if( asprintf( &psz_string, "%s - %s", psz_name, psz_artist ) != -1 )
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,
1578 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
1580 p_vout->i_title_position,
1581 30 + p_vout->fmt_in.i_width
1582 - p_vout->fmt_in.i_visible_width
1583 - p_vout->fmt_in.i_x_offset,
1584 20 + p_vout->fmt_in.i_y_offset,
1587 vlc_object_release( p_input );
1590 free( psz_nowplaying );