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) 2000-2004 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 *****************************************************************************/
32 #include <stdlib.h> /* free() */
36 #ifdef HAVE_SYS_TIMES_H
37 # include <sys/times.h>
40 #include "vlc_video.h"
41 #include "video_output.h"
43 #include <vlc/input.h> /* for input_thread_t and i_pts_delay */
44 #include "vlc_playlist.h"
46 #include "vlc_filter.h"
47 #include <vlc/sout.h> /* sout_CfgParse */
49 #if defined( __APPLE__ )
50 #include "darwin_specific.h"
53 /*****************************************************************************
55 *****************************************************************************/
56 static int InitThread ( vout_thread_t * );
57 static void RunThread ( vout_thread_t * );
58 static void ErrorThread ( vout_thread_t * );
59 static void EndThread ( vout_thread_t * );
60 static void DestroyThread ( vout_thread_t * );
62 static void AspectRatio ( int, int *, int * );
63 static int BinaryLog ( uint32_t );
64 static void MaskToShift ( int *, int *, uint32_t );
66 /* Object variables callbacks */
67 static int DeinterlaceCallback( vlc_object_t *, char const *,
68 vlc_value_t, vlc_value_t, void * );
69 static int FilterCallback( vlc_object_t *, char const *,
70 vlc_value_t, vlc_value_t, void * );
71 static int VideoFilter2Callback( vlc_object_t *, char const *,
72 vlc_value_t, vlc_value_t, void * );
74 /* From vout_intf.c */
75 int vout_Snapshot( vout_thread_t *, picture_t * );
77 /* Video filter2 parsing */
78 static int ParseVideoFilter2Chain( vout_thread_t *, char * );
79 static void RemoveVideoFilters2( vout_thread_t *p_vout );
81 /*****************************************************************************
82 * Video Filter2 functions
83 *****************************************************************************/
84 struct filter_owner_sys_t
86 vout_thread_t *p_vout;
89 static picture_t *video_new_buffer_filter( filter_t *p_filter )
92 vout_thread_t *p_vout = p_filter->p_owner->p_vout;
94 p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
99 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
101 vout_DestroyPicture( p_filter->p_owner->p_vout, p_pic );
104 /*****************************************************************************
105 * vout_Request: find a video output thread, create one, or destroy one.
106 *****************************************************************************
107 * This function looks for a video output thread matching the current
108 * properties. If not found, it spawns a new one.
109 *****************************************************************************/
110 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
111 video_format_t *p_fmt )
115 /* Reattach video output to input before bailing out */
118 vlc_object_t *p_playlist;
120 p_playlist = vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
125 spu_Attach( p_vout->p_spu, p_this, VLC_FALSE );
126 vlc_object_detach( p_vout );
127 vlc_object_attach( p_vout, p_playlist );
129 vlc_object_release( p_playlist );
133 msg_Dbg( p_this, "cannot find playlist, destroying vout" );
134 vlc_object_detach( p_vout );
135 vout_Destroy( p_vout );
141 /* If a video output was provided, lock it, otherwise look for one. */
144 vlc_object_yield( p_vout );
148 p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_CHILD );
152 playlist_t *p_playlist;
154 p_playlist = vlc_object_find( p_this,
155 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
158 vlc_mutex_lock( &p_playlist->gc_lock );
159 p_vout = vlc_object_find( p_playlist,
160 VLC_OBJECT_VOUT, FIND_CHILD );
161 /* only first children of p_input for unused vout */
162 if( p_vout && p_vout->p_parent != (vlc_object_t *)p_playlist )
164 vlc_object_release( p_vout );
167 vlc_mutex_unlock( &p_playlist->gc_lock );
168 vlc_object_release( p_playlist );
173 /* If we now have a video output, check it has the right properties */
176 char *psz_filter_chain;
179 /* We don't directly check for the "vout-filter" variable for obvious
180 * performance reasons. */
181 if( p_vout->b_filter_change )
183 var_Get( p_vout, "vout-filter", &val );
184 psz_filter_chain = val.psz_string;
186 if( psz_filter_chain && !*psz_filter_chain )
188 free( psz_filter_chain );
189 psz_filter_chain = NULL;
191 if( p_vout->psz_filter_chain && !*p_vout->psz_filter_chain )
193 free( p_vout->psz_filter_chain );
194 p_vout->psz_filter_chain = NULL;
197 if( !psz_filter_chain && !p_vout->psz_filter_chain )
199 p_vout->b_filter_change = VLC_FALSE;
202 if( psz_filter_chain ) free( psz_filter_chain );
205 if( ( p_vout->fmt_render.i_width != p_fmt->i_width ) ||
206 ( p_vout->fmt_render.i_height != p_fmt->i_height ) ||
207 ( p_vout->fmt_render.i_chroma != p_fmt->i_chroma ) ||
208 ( p_vout->fmt_render.i_aspect != p_fmt->i_aspect ) ||
209 p_vout->b_filter_change )
211 /* We are not interested in this format, close this vout */
212 vlc_object_detach( p_vout );
213 vlc_object_release( p_vout );
214 vout_Destroy( p_vout );
219 /* This video output is cool! Hijack it. */
220 vlc_object_detach( p_vout );
221 spu_Attach( p_vout->p_spu, p_this, VLC_TRUE );
222 vlc_object_attach( p_vout, p_this );
223 vlc_object_release( p_vout );
229 msg_Dbg( p_this, "no usable vout present, spawning one" );
231 p_vout = vout_Create( p_this, p_fmt );
237 /*****************************************************************************
238 * vout_Create: creates a new video output thread
239 *****************************************************************************
240 * This function creates a new video output thread, and returns a pointer
241 * to its description. On error, it returns NULL.
242 *****************************************************************************/
243 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
245 vout_thread_t * p_vout; /* thread descriptor */
246 input_thread_t * p_input_thread;
247 int i_index; /* loop variable */
249 vlc_value_t val, text;
251 unsigned int i_width = p_fmt->i_width;
252 unsigned int i_height = p_fmt->i_height;
253 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
254 unsigned int i_aspect = p_fmt->i_aspect;
256 /* Allocate descriptor */
257 p_vout = vlc_object_create( p_parent, VLC_OBJECT_VOUT );
260 msg_Err( p_parent, "out of memory" );
264 /* Initialize pictures - translation tables and functions
265 * will be initialized later in InitThread */
266 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
268 p_vout->p_picture[i_index].pf_lock = NULL;
269 p_vout->p_picture[i_index].pf_unlock = NULL;
270 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
271 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
272 p_vout->p_picture[i_index].b_slow = 0;
275 /* No images in the heap */
276 p_vout->i_heap_size = 0;
278 /* Initialize the rendering heap */
279 I_RENDERPICTURES = 0;
281 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
282 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
283 p_vout->fmt_render = *p_fmt; /* FIXME palette */
284 p_vout->fmt_in = *p_fmt; /* FIXME palette */
286 p_vout->render.i_width = i_width;
287 p_vout->render.i_height = i_height;
288 p_vout->render.i_chroma = i_chroma;
289 p_vout->render.i_aspect = i_aspect;
291 p_vout->render.i_rmask = 0;
292 p_vout->render.i_gmask = 0;
293 p_vout->render.i_bmask = 0;
295 p_vout->render.i_last_used_pic = -1;
296 p_vout->render.b_allow_modify_pics = 1;
298 /* Zero the output heap */
299 I_OUTPUTPICTURES = 0;
300 p_vout->output.i_width = 0;
301 p_vout->output.i_height = 0;
302 p_vout->output.i_chroma = 0;
303 p_vout->output.i_aspect = 0;
305 p_vout->output.i_rmask = 0;
306 p_vout->output.i_gmask = 0;
307 p_vout->output.i_bmask = 0;
309 /* Initialize misc stuff */
310 p_vout->i_changes = 0;
312 p_vout->b_grayscale = 0;
314 p_vout->b_interface = 0;
316 p_vout->b_fullscreen = 0;
317 p_vout->i_alignment = 0;
318 p_vout->render_time = 10;
319 p_vout->c_fps_samples = 0;
320 p_vout->b_filter_change = 0;
321 p_vout->pf_control = 0;
322 p_vout->p_parent_intf = 0;
323 p_vout->i_par_num = p_vout->i_par_den = 1;
325 /* Initialize locks */
326 vlc_mutex_init( p_vout, &p_vout->picture_lock );
327 vlc_mutex_init( p_vout, &p_vout->change_lock );
329 /* Mouse coordinates */
330 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
331 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
332 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
333 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
334 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
336 /* Initialize subpicture unit */
337 p_vout->p_spu = spu_Create( p_vout );
338 spu_Attach( p_vout->p_spu, p_parent, VLC_TRUE );
340 /* Attach the new object now so we can use var inheritance below */
341 vlc_object_attach( p_vout, p_parent );
343 spu_Init( p_vout->p_spu );
345 /* Take care of some "interface/control" related initialisations */
346 vout_IntfInit( p_vout );
348 /* If the parent is not a VOUT object, that means we are at the start of
349 * the video output pipe */
350 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
352 /* Look for the default filter configuration */
353 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
354 var_Get( p_vout, "vout-filter", &val );
355 p_vout->psz_filter_chain = val.psz_string;
357 /* Apply video filter2 objects on the first vout */
358 var_Create( p_vout, "video-filter",
359 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
360 var_Get( p_vout, "video-filter", &val );
361 ParseVideoFilter2Chain( p_vout, val.psz_string );
362 free( val.psz_string );
366 /* continue the parent's filter chain */
369 psz_end = strchr( ((vout_thread_t *)p_parent)->psz_filter_chain, ':' );
370 if( psz_end && *(psz_end+1) )
371 p_vout->psz_filter_chain = strdup( psz_end+1 );
372 else p_vout->psz_filter_chain = NULL;
374 /* Create a video filter2 var ... but don't inherit values */
375 var_Create( p_vout, "video-filter", VLC_VAR_STRING );
376 ParseVideoFilter2Chain( p_vout, NULL );
379 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
380 p_vout->b_vfilter_change = VLC_TRUE;
381 p_vout->i_vfilters = 0;
383 /* Choose the video output module */
384 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
386 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
387 var_Get( p_vout, "vout", &val );
388 psz_plugin = val.psz_string;
392 /* the filter chain is a string list of filters separated by double
396 psz_end = strchr( p_vout->psz_filter_chain, ':' );
398 psz_plugin = strndup( p_vout->psz_filter_chain,
399 psz_end - p_vout->psz_filter_chain );
400 else psz_plugin = strdup( p_vout->psz_filter_chain );
403 /* Create the vout thread */
404 p_vout->p_module = module_Need( p_vout,
405 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
406 "video filter" : "video output", psz_plugin, 0 );
408 if( psz_plugin ) free( psz_plugin );
409 if( p_vout->p_module == NULL )
411 msg_Err( p_vout, "no suitable vout module" );
412 vlc_object_detach( p_vout );
413 vlc_object_destroy( p_vout );
417 /* Create a few object variables for interface interaction */
418 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
419 text.psz_string = _("Deinterlace");
420 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
421 val.psz_string = ""; text.psz_string = _("Disable");
422 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
423 val.psz_string = "discard"; text.psz_string = _("Discard");
424 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
425 val.psz_string = "blend"; text.psz_string = _("Blend");
426 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
427 val.psz_string = "mean"; text.psz_string = _("Mean");
428 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
429 val.psz_string = "bob"; text.psz_string = _("Bob");
430 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
431 val.psz_string = "linear"; text.psz_string = _("Linear");
432 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
433 val.psz_string = "x"; text.psz_string = "X";
434 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
436 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
438 var_Set( p_vout, "deinterlace", val );
439 if( val.psz_string ) free( val.psz_string );
441 var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
444 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
445 text.psz_string = _("Filters");
446 var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
447 var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
449 /* Calculate delay created by internal caching */
450 p_input_thread = (input_thread_t *)vlc_object_find( p_vout,
451 VLC_OBJECT_INPUT, FIND_ANYWHERE );
454 p_vout->i_pts_delay = p_input_thread->i_pts_delay;
455 vlc_object_release( p_input_thread );
459 p_vout->i_pts_delay = DEFAULT_PTS_DELAY;
462 if( vlc_thread_create( p_vout, "video output", RunThread,
463 VLC_THREAD_PRIORITY_OUTPUT, VLC_TRUE ) )
465 msg_Err( p_vout, "out of memory" );
466 module_Unneed( p_vout, p_vout->p_module );
467 vlc_object_detach( p_vout );
468 vlc_object_destroy( p_vout );
472 if( p_vout->b_error )
474 msg_Err( p_vout, "video output creation failed" );
476 /* Make sure the thread is destroyed */
477 p_vout->b_die = VLC_TRUE;
479 vlc_thread_join( p_vout );
481 vlc_object_detach( p_vout );
482 vlc_object_destroy( p_vout );
489 /*****************************************************************************
490 * vout_Destroy: destroys a previously created video output
491 *****************************************************************************
492 * Destroy a terminated thread.
493 * The function will request a destruction of the specified thread. If pi_error
494 * is NULL, it will return once the thread is destroyed. Else, it will be
495 * update using one of the THREAD_* constants.
496 *****************************************************************************/
497 void vout_Destroy( vout_thread_t *p_vout )
499 vlc_object_t *p_playlist;
501 /* Request thread destruction */
502 p_vout->b_die = VLC_TRUE;
503 vlc_thread_join( p_vout );
505 var_Destroy( p_vout, "intf-change" );
507 p_playlist = vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
510 if( p_vout->psz_filter_chain ) free( p_vout->psz_filter_chain );
513 vlc_object_destroy( p_vout );
515 /* If it was the last vout, tell the interface to show up */
516 if( p_playlist != NULL )
518 vout_thread_t *p_another_vout = vlc_object_find( p_playlist,
519 VLC_OBJECT_VOUT, FIND_ANYWHERE );
520 if( p_another_vout == NULL )
523 val.b_bool = VLC_TRUE;
524 var_Set( p_playlist, "intf-show", val );
528 vlc_object_release( p_another_vout );
530 vlc_object_release( p_playlist );
534 /*****************************************************************************
535 * InitThread: initialize video output thread
536 *****************************************************************************
537 * This function is called from RunThread and performs the second step of the
538 * initialization. It returns 0 on success. Note that the thread's flag are not
539 * modified inside this function.
540 *****************************************************************************/
541 static int InitThread( vout_thread_t *p_vout )
543 int i, i_aspect_x, i_aspect_y;
545 vlc_mutex_lock( &p_vout->change_lock );
551 /* Initialize output method, it allocates direct buffers for us */
552 if( p_vout->pf_init( p_vout ) )
554 vlc_mutex_unlock( &p_vout->change_lock );
558 if( !I_OUTPUTPICTURES )
560 msg_Err( p_vout, "plugin was unable to allocate at least "
561 "one direct buffer" );
562 p_vout->pf_end( p_vout );
563 vlc_mutex_unlock( &p_vout->change_lock );
567 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
569 msg_Err( p_vout, "plugin allocated too many direct buffers, "
570 "our internal buffers must have overflown." );
571 p_vout->pf_end( p_vout );
572 vlc_mutex_unlock( &p_vout->change_lock );
576 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
578 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
580 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
581 "chroma %4.4s, ar %i:%i, sar %i:%i",
582 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
583 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
584 p_vout->fmt_render.i_visible_width,
585 p_vout->fmt_render.i_visible_height,
586 (char*)&p_vout->fmt_render.i_chroma,
587 i_aspect_x, i_aspect_y,
588 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
590 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
592 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
593 "chroma %4.4s, ar %i:%i, sar %i:%i",
594 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
595 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
596 p_vout->fmt_in.i_visible_width,
597 p_vout->fmt_in.i_visible_height,
598 (char*)&p_vout->fmt_in.i_chroma,
599 i_aspect_x, i_aspect_y,
600 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
602 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
604 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
605 p_vout->output.i_width;
606 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
607 p_vout->output.i_height;
608 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
610 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
611 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
613 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
615 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
616 p_vout->fmt_out.i_height;
617 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
618 p_vout->fmt_out.i_width;
621 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
622 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
624 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
626 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
627 "chroma %4.4s, ar %i:%i, sar %i:%i",
628 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
629 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
630 p_vout->fmt_out.i_visible_width,
631 p_vout->fmt_out.i_visible_height,
632 (char*)&p_vout->fmt_out.i_chroma,
633 i_aspect_x, i_aspect_y,
634 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
636 /* Calculate shifts from system-updated masks */
637 MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
638 p_vout->output.i_rmask );
639 MaskToShift( &p_vout->output.i_lgshift, &p_vout->output.i_rgshift,
640 p_vout->output.i_gmask );
641 MaskToShift( &p_vout->output.i_lbshift, &p_vout->output.i_rbshift,
642 p_vout->output.i_bmask );
644 /* Check whether we managed to create direct buffers similar to
645 * the render buffers, ie same size and chroma */
646 if( ( p_vout->output.i_width == p_vout->render.i_width )
647 && ( p_vout->output.i_height == p_vout->render.i_height )
648 && ( vout_ChromaCmp( p_vout->output.i_chroma, p_vout->render.i_chroma ) ) )
650 /* Cool ! We have direct buffers, we can ask the decoder to
651 * directly decode into them ! Map the first render buffers to
652 * the first direct buffers, but keep the first direct buffer
653 * for memcpy operations */
654 p_vout->b_direct = 1;
656 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
658 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
659 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
660 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
662 /* We have enough direct buffers so there's no need to
663 * try to use system memory buffers. */
666 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
670 msg_Dbg( p_vout, "direct render, mapping "
671 "render pictures 0-%i to system pictures 1-%i",
672 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
676 /* Rats... Something is wrong here, we could not find an output
677 * plugin able to directly render what we decode. See if we can
678 * find a chroma plugin to do the conversion */
679 p_vout->b_direct = 0;
681 /* Choose the best module */
682 p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL, 0 );
684 if( p_vout->chroma.p_module == NULL )
686 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s",
687 (char*)&p_vout->render.i_chroma,
688 (char*)&p_vout->output.i_chroma );
689 p_vout->pf_end( p_vout );
690 vlc_mutex_unlock( &p_vout->change_lock );
694 msg_Dbg( p_vout, "indirect render, mapping "
695 "render pictures 0-%i to system pictures %i-%i",
696 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
697 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
699 /* Append render buffers after the direct buffers */
700 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
702 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
705 /* Check if we have enough render pictures */
706 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
711 /* Link pictures back to their heap */
712 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
714 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
717 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
719 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
722 /* XXX XXX mark thread ready */
726 /*****************************************************************************
727 * RunThread: video output thread
728 *****************************************************************************
729 * Video output thread. This function does only returns when the thread is
730 * terminated. It handles the pictures arriving in the video heap and the
731 * display device events.
732 *****************************************************************************/
733 static void RunThread( vout_thread_t *p_vout)
735 int i_index; /* index in heap */
736 int i_idle_loops = 0; /* loops without displaying a picture */
737 mtime_t current_date; /* current date */
738 mtime_t display_date; /* display date */
740 picture_t * p_picture; /* picture pointer */
741 picture_t * p_last_picture = NULL; /* last picture */
742 picture_t * p_directbuffer; /* direct buffer to display */
744 subpicture_t * p_subpic = NULL; /* subpicture pointer */
746 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
749 vlc_bool_t b_drop_late;
751 int i_displayed = 0, i_lost = 0, i_loops = 0;
756 p_vout->b_error = InitThread( p_vout );
758 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
759 var_Get( p_vout, "drop-late-frames", &val );
760 b_drop_late = val.b_bool;
762 /* signal the creation of the vout */
763 vlc_thread_ready( p_vout );
765 if( p_vout->b_error )
767 /* Destroy thread structures allocated by Create and InitThread */
768 DestroyThread( p_vout );
773 * Main loop - it is not executed if an error occurred during
776 while( (!p_vout->b_die) && (!p_vout->b_error) )
778 /* Initialize loop variables */
781 current_date = mdate();
784 if( i_loops % 20 == 0 )
786 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT, FIND_PARENT );
789 vlc_mutex_lock( &p_input->counters.counters_lock );
790 stats_UpdateInteger( p_vout, p_input->counters.p_lost_pictures,
792 stats_UpdateInteger( p_vout,
793 p_input->counters.p_displayed_pictures,
795 i_displayed = i_lost = 0;
796 vlc_mutex_unlock( &p_input->counters.counters_lock );
797 vlc_object_release( p_input );
802 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
804 msg_Dbg( p_vout, "picture heap: %d/%d",
805 I_RENDERPICTURES, p_vout->i_heap_size );
810 * Find the picture to display (the one with the earliest date).
811 * This operation does not need lock, since only READY_PICTUREs
813 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
815 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
816 && ( (p_picture == NULL) ||
817 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
819 p_picture = PP_RENDERPICTURE[i_index];
820 display_date = p_picture->date;
826 /* If we met the last picture, parse again to see whether there is
827 * a more appropriate one. */
828 if( p_picture == p_last_picture )
830 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
832 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
833 && (PP_RENDERPICTURE[i_index] != p_last_picture)
834 && ((p_picture == p_last_picture) ||
835 (PP_RENDERPICTURE[i_index]->date < display_date)) )
837 p_picture = PP_RENDERPICTURE[i_index];
838 display_date = p_picture->date;
843 /* If we found better than the last picture, destroy it */
844 if( p_last_picture && p_picture != p_last_picture )
846 vlc_mutex_lock( &p_vout->picture_lock );
847 if( p_last_picture->i_refcount )
849 p_last_picture->i_status = DISPLAYED_PICTURE;
853 p_last_picture->i_status = DESTROYED_PICTURE;
854 p_vout->i_heap_size--;
856 vlc_mutex_unlock( &p_vout->picture_lock );
857 p_last_picture = NULL;
860 /* Compute FPS rate */
861 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
864 if( !p_picture->b_force &&
865 p_picture != p_last_picture &&
866 display_date < current_date + p_vout->render_time &&
869 /* Picture is late: it will be destroyed and the thread
870 * will directly choose the next picture */
871 vlc_mutex_lock( &p_vout->picture_lock );
872 if( p_picture->i_refcount )
874 /* Pretend we displayed the picture, but don't destroy
875 * it since the decoder might still need it. */
876 p_picture->i_status = DISPLAYED_PICTURE;
880 /* Destroy the picture without displaying it */
881 p_picture->i_status = DESTROYED_PICTURE;
882 p_vout->i_heap_size--;
884 msg_Warn( p_vout, "late picture skipped ("I64Fd")",
885 current_date - display_date );
887 vlc_mutex_unlock( &p_vout->picture_lock );
893 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
895 /* Picture is waaay too early: it will be destroyed */
896 vlc_mutex_lock( &p_vout->picture_lock );
897 if( p_picture->i_refcount )
899 /* Pretend we displayed the picture, but don't destroy
900 * it since the decoder might still need it. */
901 p_picture->i_status = DISPLAYED_PICTURE;
905 /* Destroy the picture without displaying it */
906 p_picture->i_status = DESTROYED_PICTURE;
907 p_vout->i_heap_size--;
910 msg_Warn( p_vout, "vout warning: early picture skipped "
911 "("I64Fd")", display_date - current_date
912 - p_vout->i_pts_delay );
913 vlc_mutex_unlock( &p_vout->picture_lock );
918 if( display_date > current_date + VOUT_DISPLAY_DELAY )
920 /* A picture is ready to be rendered, but its rendering date
921 * is far from the current one so the thread will perform an
922 * empty loop as if no picture were found. The picture state
927 else if( p_picture == p_last_picture )
929 /* We are asked to repeat the previous picture, but we first
930 * wait for a couple of idle loops */
931 if( i_idle_loops < 4 )
938 /* We set the display date to something high, otherwise
939 * we'll have lots of problems with late pictures */
940 display_date = current_date + p_vout->render_time;
945 if( p_picture == NULL )
950 /* Video Filter2 stuff */
951 if( p_vout->b_vfilter_change == VLC_TRUE )
954 RemoveVideoFilters2( p_vout );
955 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
957 filter_t *p_vfilter =
958 p_vout->pp_vfilters[p_vout->i_vfilters] =
959 vlc_object_create( p_vout, VLC_OBJECT_FILTER );
961 vlc_object_attach( p_vfilter, p_vout );
963 p_vfilter->pf_vout_buffer_new = video_new_buffer_filter;
964 p_vfilter->pf_vout_buffer_del = video_del_buffer_filter;
966 p_vfilter->fmt_in.video = p_vout->fmt_render;
967 p_vfilter->fmt_out.video = p_vout->fmt_render;
969 p_vfilter->p_cfg = p_vout->p_vfilters_cfg[i];
970 p_vfilter->p_module = module_Need( p_vfilter, "video filter2",
971 p_vout->psz_vfilters[i], 0 );
973 if( p_vfilter->p_module )
976 malloc( sizeof( filter_owner_sys_t ) );
977 p_vfilter->p_owner->p_vout = p_vout;
978 p_vout->i_vfilters++;
979 msg_Dbg( p_vout, "video filter found (%s)",
980 p_vout->psz_vfilters[i] );
984 msg_Err( p_vout, "no video filter found (%s)",
985 p_vout->psz_vfilters[i] );
986 vlc_object_detach( p_vfilter );
987 vlc_object_destroy( p_vfilter );
990 p_vout->b_vfilter_change = VLC_FALSE;
996 for( i = 0; i < p_vout->i_vfilters; i++ )
998 picture_t *p_old = p_picture;
999 p_picture = p_vout->pp_vfilters[i]->pf_video_filter(
1000 p_vout->pp_vfilters[i], p_picture );
1005 /* FIXME: this is kind of wrong
1006 * if you have 2 or more vfilters and the 2nd breaks,
1007 * on the next loop the 1st one will be applied again */
1009 /* if p_old and p_picture are the same (ie the filter
1010 * worked on the old picture), then following code is
1011 * still alright since i_status gets changed back to
1012 * the right value */
1013 if( p_old->i_refcount )
1015 p_old->i_status = DISPLAYED_PICTURE;
1019 p_old->i_status = DESTROYED_PICTURE;
1021 p_picture->i_status = READY_PICTURE;
1025 if( p_picture && p_vout->b_snapshot )
1027 p_vout->b_snapshot = VLC_FALSE;
1028 vout_Snapshot( p_vout, p_picture );
1032 * Check for subpictures to display
1034 if( display_date > 0 )
1036 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date );
1043 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
1046 * Call the plugin-specific rendering method if there is one
1048 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1050 /* Render the direct buffer returned by vout_RenderPicture */
1051 p_vout->pf_render( p_vout, p_directbuffer );
1057 if( display_date != 0 && p_directbuffer != NULL )
1059 mtime_t current_render_time = mdate() - current_date;
1060 /* if render time is very large we don't include it in the mean */
1061 if( current_render_time < p_vout->render_time +
1062 VOUT_DISPLAY_DELAY )
1064 /* Store render time using a sliding mean weighting to
1065 * current value in a 3 to 1 ratio*/
1066 p_vout->render_time *= 3;
1067 p_vout->render_time += current_render_time;
1068 p_vout->render_time >>= 2;
1072 /* Give back change lock */
1073 vlc_mutex_unlock( &p_vout->change_lock );
1075 /* Sleep a while or until a given date */
1076 if( display_date != 0 )
1078 /* If there are filters in the chain, better give them the picture
1080 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1082 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1087 msleep( VOUT_IDLE_SLEEP );
1090 /* On awakening, take back lock and send immediately picture
1092 vlc_mutex_lock( &p_vout->change_lock );
1095 * Display the previously rendered picture
1097 if( p_picture != NULL && p_directbuffer != NULL )
1099 /* Display the direct buffer returned by vout_RenderPicture */
1100 if( p_vout->pf_display )
1102 p_vout->pf_display( p_vout, p_directbuffer );
1105 /* Tell the vout this was the last picture and that it does not
1106 * need to be forced anymore. */
1107 p_last_picture = p_picture;
1108 p_last_picture->b_force = 0;
1111 if( p_picture != NULL )
1113 /* Reinitialize idle loop count */
1118 * Check events and manage thread
1120 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1122 /* A fatal error occurred, and the thread must terminate
1123 * immediately, without displaying anything - setting b_error to 1
1124 * causes the immediate end of the main while() loop. */
1125 p_vout->b_error = 1;
1128 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1130 /* this must only happen when the vout plugin is incapable of
1131 * rescaling the picture itself. In this case we need to destroy
1132 * the current picture buffers and recreate new ones with the right
1136 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1138 p_vout->pf_end( p_vout );
1139 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1140 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1142 I_OUTPUTPICTURES = 0;
1143 if( p_vout->pf_init( p_vout ) )
1145 msg_Err( p_vout, "cannot resize display" );
1146 /* FIXME: pf_end will be called again in EndThread() */
1147 p_vout->b_error = 1;
1150 /* Need to reinitialise the chroma plugin */
1151 if( p_vout->chroma.p_module )
1153 if( p_vout->chroma.p_module->pf_deactivate )
1154 p_vout->chroma.p_module->pf_deactivate( VLC_OBJECT(p_vout) );
1155 p_vout->chroma.p_module->pf_activate( VLC_OBJECT(p_vout) );
1159 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1161 /* This happens when the picture buffers need to be recreated.
1162 * This is useful on multimonitor displays for instance.
1164 * Warning: This only works when the vout creates only 1 picture
1166 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1168 if( !p_vout->b_direct )
1170 module_Unneed( p_vout, p_vout->chroma.p_module );
1173 vlc_mutex_lock( &p_vout->picture_lock );
1175 p_vout->pf_end( p_vout );
1177 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1179 p_vout->b_error = InitThread( p_vout );
1181 vlc_mutex_unlock( &p_vout->picture_lock );
1186 * Error loop - wait until the thread destruction is requested
1188 if( p_vout->b_error )
1190 ErrorThread( p_vout );
1194 EndThread( p_vout );
1196 /* Destroy thread structures allocated by CreateThread */
1197 DestroyThread( p_vout );
1200 /*****************************************************************************
1201 * ErrorThread: RunThread() error loop
1202 *****************************************************************************
1203 * This function is called when an error occurred during thread main's loop.
1204 * The thread can still receive feed, but must be ready to terminate as soon
1206 *****************************************************************************/
1207 static void ErrorThread( vout_thread_t *p_vout )
1209 /* Wait until a `die' order */
1210 while( !p_vout->b_die )
1213 msleep( VOUT_IDLE_SLEEP );
1217 /*****************************************************************************
1218 * EndThread: thread destruction
1219 *****************************************************************************
1220 * This function is called when the thread ends after a sucessful
1221 * initialization. It frees all resources allocated by InitThread.
1222 *****************************************************************************/
1223 static void EndThread( vout_thread_t *p_vout )
1225 int i_index; /* index in heap */
1229 struct tms cpu_usage;
1230 times( &cpu_usage );
1232 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1233 cpu_usage.tms_utime, cpu_usage.tms_stime );
1237 if( !p_vout->b_direct )
1239 module_Unneed( p_vout, p_vout->chroma.p_module );
1242 /* Destroy all remaining pictures */
1243 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1245 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1247 free( p_vout->p_picture[i_index].p_data_orig );
1251 /* Destroy subpicture unit */
1252 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), VLC_FALSE );
1253 spu_Destroy( p_vout->p_spu );
1255 /* Destroy the video filters2 */
1256 RemoveVideoFilters2( p_vout );
1258 /* Destroy translation tables */
1259 p_vout->pf_end( p_vout );
1261 /* Release the change lock */
1262 vlc_mutex_unlock( &p_vout->change_lock );
1265 /*****************************************************************************
1266 * DestroyThread: thread destruction
1267 *****************************************************************************
1268 * This function is called when the thread ends. It frees all ressources
1269 * allocated by CreateThread. Status is available at this stage.
1270 *****************************************************************************/
1271 static void DestroyThread( vout_thread_t *p_vout )
1273 /* Destroy the locks */
1274 vlc_mutex_destroy( &p_vout->picture_lock );
1275 vlc_mutex_destroy( &p_vout->change_lock );
1277 /* Release the module */
1278 if( p_vout && p_vout->p_module )
1280 module_Unneed( p_vout, p_vout->p_module );
1284 /* following functions are local */
1286 static int ReduceHeight( int i_ratio )
1288 int i_dummy = VOUT_ASPECT_FACTOR;
1296 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1297 while( !(i_ratio & 1) && !(i_dummy & 1) )
1304 while( !(i_ratio % 3) && !(i_dummy % 3) )
1311 while( !(i_ratio % 5) && !(i_dummy % 5) )
1321 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1323 unsigned int i_pgcd = ReduceHeight( i_aspect );
1324 *i_aspect_x = i_aspect / i_pgcd;
1325 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1328 /*****************************************************************************
1329 * BinaryLog: computes the base 2 log of a binary value
1330 *****************************************************************************
1331 * This functions is used by MaskToShift, to get a bit index from a binary
1333 *****************************************************************************/
1334 static int BinaryLog( uint32_t i )
1338 if( i == 0 ) return -31337;
1340 if( i & 0xffff0000 ) i_log += 16;
1341 if( i & 0xff00ff00 ) i_log += 8;
1342 if( i & 0xf0f0f0f0 ) i_log += 4;
1343 if( i & 0xcccccccc ) i_log += 2;
1344 if( i & 0xaaaaaaaa ) i_log += 1;
1349 /*****************************************************************************
1350 * MaskToShift: transform a color mask into right and left shifts
1351 *****************************************************************************
1352 * This function is used for obtaining color shifts from masks.
1353 *****************************************************************************/
1354 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1356 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1360 *pi_left = *pi_right = 0;
1365 i_low = i_high = i_mask;
1367 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1368 i_high += i_low; /* higher bit of the mask */
1370 /* Transform bits into an index. Also deal with i_high overflow, which
1371 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1372 i_low = BinaryLog (i_low);
1373 i_high = i_high ? BinaryLog (i_high) : 32;
1375 /* Update pointers and return */
1377 *pi_right = (8 - i_high + i_low);
1380 /*****************************************************************************
1381 * vout_VarCallback: generic callback for intf variables
1382 *****************************************************************************/
1383 int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
1384 vlc_value_t old_value, vlc_value_t new_value,
1387 vout_thread_t * p_vout = (vout_thread_t *)p_this;
1389 val.b_bool = VLC_TRUE;
1390 var_Set( p_vout, "intf-change", val );
1394 /*****************************************************************************
1395 * Helper thread for object variables callbacks.
1396 * Only used to avoid deadlocks when using the video embedded mode.
1397 *****************************************************************************/
1398 typedef struct suxor_thread_t
1401 input_thread_t *p_input;
1405 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1409 vlc_thread_ready( p_this );
1411 /* Now restart current video stream */
1412 var_Get( p_this->p_input, "video-es", &val );
1413 if( val.i_int >= 0 )
1416 val_es.i_int = -VIDEO_ES;
1417 var_Set( p_this->p_input, "video-es", val_es );
1418 var_Set( p_this->p_input, "video-es", val );
1421 vlc_object_release( p_this->p_input );
1424 CloseHandle( p_this->thread_id );
1427 vlc_object_destroy( p_this );
1430 /*****************************************************************************
1431 * object variables callbacks: a bunch of object variables are used by the
1432 * interfaces to interact with the vout.
1433 *****************************************************************************/
1434 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1435 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1437 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1438 input_thread_t *p_input;
1441 char *psz_mode = newval.psz_string;
1442 char *psz_filter, *psz_deinterlace = NULL;
1444 var_Get( p_vout, "vout-filter", &val );
1445 psz_filter = val.psz_string;
1446 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1448 if( !psz_mode || !*psz_mode )
1450 if( psz_deinterlace )
1452 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1453 if( psz_src[0] == ':' ) psz_src++;
1454 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1457 else if( !psz_deinterlace )
1459 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1460 sizeof(":deinterlace") );
1461 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1462 strcat( psz_filter, "deinterlace" );
1465 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1467 if( !p_input ) return VLC_EGENERIC;
1469 if( psz_mode && *psz_mode )
1471 /* Modify input as well because the vout might have to be restarted */
1472 val.psz_string = psz_mode;
1473 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1474 var_Set( p_input, "deinterlace-mode", val );
1476 vlc_object_release( p_input );
1478 val.b_bool = VLC_TRUE;
1479 var_Set( p_vout, "intf-change", val );
1481 val.psz_string = psz_filter;
1482 var_Set( p_vout, "vout-filter", val );
1483 if( psz_filter ) free( psz_filter );
1488 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1489 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1491 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1492 input_thread_t *p_input;
1495 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1499 msg_Err( p_vout, "Input not found" );
1500 return( VLC_EGENERIC );
1503 val.b_bool = VLC_TRUE;
1504 var_Set( p_vout, "intf-change", val );
1506 /* Modify input as well because the vout might have to be restarted */
1507 val.psz_string = newval.psz_string;
1508 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1510 var_Set( p_input, "vout-filter", val );
1512 /* Now restart current video stream */
1513 var_Get( p_input, "video-es", &val );
1514 if( val.i_int >= 0 )
1516 suxor_thread_t *p_suxor =
1517 vlc_object_create( p_vout, sizeof(suxor_thread_t) );
1518 p_suxor->p_input = p_input;
1519 p_vout->b_filter_change = VLC_TRUE;
1520 vlc_object_yield( p_input );
1521 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1522 VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
1525 vlc_object_release( p_input );
1530 /*****************************************************************************
1531 * Video Filter2 stuff
1532 *****************************************************************************/
1533 static int ParseVideoFilter2Chain( vout_thread_t *p_vout, char *psz_vfilters )
1536 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
1538 /* FIXME: this should be moved in a separate function */
1539 struct sout_cfg_t *p_cfg =
1540 p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg];
1543 struct sout_cfg_t *p_next = p_cfg->p_next;
1544 free( p_cfg->psz_name );
1545 free( p_cfg->psz_value );
1551 free( p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1553 p_vout->i_vfilters_cfg = 0;
1554 if( psz_vfilters && *psz_vfilters )
1556 char *psz_parser = psz_vfilters;
1558 while( psz_parser && *psz_parser )
1560 psz_parser = sout_CfgCreate(
1561 &p_vout->psz_vfilters[p_vout->i_vfilters_cfg],
1562 &p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg],
1564 msg_Dbg( p_vout, "adding vfilter: %s\n",
1565 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1566 p_vout->i_vfilters_cfg++;
1567 if( psz_parser && psz_parser )
1569 if( p_vout->i_vfilters_cfg == MAX_VFILTERS )
1572 "maximum number of video filters reached. \"%s\" discarded",
1582 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1583 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1585 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1587 ParseVideoFilter2Chain( p_vout, newval.psz_string );
1588 p_vout->b_vfilter_change = VLC_TRUE;
1593 static void RemoveVideoFilters2( vout_thread_t *p_vout )
1596 for( i = 0; i < p_vout->i_vfilters; i++ )
1598 vlc_object_detach( p_vout->pp_vfilters[i] );
1599 if( p_vout->pp_vfilters[i]->p_module )
1601 module_Unneed( p_vout->pp_vfilters[i],
1602 p_vout->pp_vfilters[i]->p_module );
1605 free( p_vout->pp_vfilters[i]->p_owner );
1606 vlc_object_destroy( p_vout->pp_vfilters[i] );
1608 p_vout->i_vfilters = 0;