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 *****************************************************************************/
34 #include <stdlib.h> /* free() */
38 #ifdef HAVE_SYS_TIMES_H
39 # include <sys/times.h>
42 #include "vlc_video.h"
43 #include "video_output.h"
45 #include <vlc/input.h> /* for input_thread_t and i_pts_delay */
46 #include "vlc_playlist.h"
48 #include "vlc_filter.h"
49 #include <vlc/sout.h> /* sout_CfgParse */
51 #if defined( __APPLE__ )
52 #include "darwin_specific.h"
55 /*****************************************************************************
57 *****************************************************************************/
58 static int InitThread ( vout_thread_t * );
59 static void RunThread ( vout_thread_t * );
60 static void ErrorThread ( vout_thread_t * );
61 static void EndThread ( vout_thread_t * );
62 static void DestroyThread ( vout_thread_t * );
64 static void AspectRatio ( int, int *, int * );
65 static int BinaryLog ( uint32_t );
66 static void MaskToShift ( int *, int *, uint32_t );
68 /* Object variables callbacks */
69 static int DeinterlaceCallback( vlc_object_t *, char const *,
70 vlc_value_t, vlc_value_t, void * );
71 static int FilterCallback( vlc_object_t *, char const *,
72 vlc_value_t, vlc_value_t, void * );
73 static int VideoFilter2Callback( vlc_object_t *, char const *,
74 vlc_value_t, vlc_value_t, void * );
76 /* From vout_intf.c */
77 int vout_Snapshot( vout_thread_t *, picture_t * );
79 /* Video filter2 parsing */
80 static int ParseVideoFilter2Chain( vout_thread_t *, char * );
81 static void RemoveVideoFilters2( vout_thread_t *p_vout );
83 /*****************************************************************************
84 * Video Filter2 functions
85 *****************************************************************************/
86 struct filter_owner_sys_t
88 vout_thread_t *p_vout;
91 static picture_t *video_new_buffer_filter( filter_t *p_filter )
94 vout_thread_t *p_vout = p_filter->p_owner->p_vout;
96 p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
101 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
103 vout_DestroyPicture( p_filter->p_owner->p_vout, p_pic );
106 /*****************************************************************************
107 * vout_Request: find a video output thread, create one, or destroy one.
108 *****************************************************************************
109 * This function looks for a video output thread matching the current
110 * properties. If not found, it spawns a new one.
111 *****************************************************************************/
112 vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
113 video_format_t *p_fmt )
117 /* Reattach video output to playlist before bailing out */
120 vlc_object_t *p_playlist = pl_Yield( p_this );
121 spu_Attach( p_vout->p_spu, p_this, VLC_FALSE );
122 vlc_object_detach( p_vout );
123 vlc_object_attach( p_vout, p_playlist );
124 pl_Release( p_this );
129 /* If a video output was provided, lock it, otherwise look for one. */
132 vlc_object_yield( p_vout );
136 p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_CHILD );
140 playlist_t *p_playlist = pl_Yield( p_this );
141 vlc_mutex_lock( &p_playlist->gc_lock );
142 p_vout = vlc_object_find( p_playlist,
143 VLC_OBJECT_VOUT, FIND_CHILD );
144 /* only first children of p_input for unused vout */
145 if( p_vout && p_vout->p_parent != (vlc_object_t *)p_playlist )
147 vlc_object_release( p_vout );
150 vlc_mutex_unlock( &p_playlist->gc_lock );
154 /* If we now have a video output, check it has the right properties */
157 char *psz_filter_chain;
160 /* We don't directly check for the "vout-filter" variable for obvious
161 * performance reasons. */
162 if( p_vout->b_filter_change )
164 var_Get( p_vout, "vout-filter", &val );
165 psz_filter_chain = val.psz_string;
167 if( psz_filter_chain && !*psz_filter_chain )
169 free( psz_filter_chain );
170 psz_filter_chain = NULL;
172 if( p_vout->psz_filter_chain && !*p_vout->psz_filter_chain )
174 free( p_vout->psz_filter_chain );
175 p_vout->psz_filter_chain = NULL;
178 if( !psz_filter_chain && !p_vout->psz_filter_chain )
180 p_vout->b_filter_change = VLC_FALSE;
183 if( psz_filter_chain ) free( psz_filter_chain );
186 if( ( p_vout->fmt_render.i_width != p_fmt->i_width ) ||
187 ( p_vout->fmt_render.i_height != p_fmt->i_height ) ||
188 ( p_vout->fmt_render.i_chroma != p_fmt->i_chroma ) ||
189 ( p_vout->fmt_render.i_aspect != p_fmt->i_aspect ) ||
190 p_vout->b_filter_change )
192 /* We are not interested in this format, close this vout */
193 vlc_object_detach( p_vout );
194 vlc_object_release( p_vout );
195 vout_Destroy( p_vout );
200 /* This video output is cool! Hijack it. */
201 vlc_object_detach( p_vout );
202 spu_Attach( p_vout->p_spu, p_this, VLC_TRUE );
203 vlc_object_attach( p_vout, p_this );
204 vlc_object_release( p_vout );
210 msg_Dbg( p_this, "no usable vout present, spawning one" );
212 p_vout = vout_Create( p_this, p_fmt );
218 /*****************************************************************************
219 * vout_Create: creates a new video output thread
220 *****************************************************************************
221 * This function creates a new video output thread, and returns a pointer
222 * to its description. On error, it returns NULL.
223 *****************************************************************************/
224 vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
226 vout_thread_t * p_vout; /* thread descriptor */
227 input_thread_t * p_input_thread;
228 int i_index; /* loop variable */
230 vlc_value_t val, text;
232 unsigned int i_width = p_fmt->i_width;
233 unsigned int i_height = p_fmt->i_height;
234 vlc_fourcc_t i_chroma = p_fmt->i_chroma;
235 unsigned int i_aspect = p_fmt->i_aspect;
237 /* Allocate descriptor */
238 p_vout = vlc_object_create( p_parent, VLC_OBJECT_VOUT );
241 msg_Err( p_parent, "out of memory" );
245 /* Initialize pictures - translation tables and functions
246 * will be initialized later in InitThread */
247 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
249 p_vout->p_picture[i_index].pf_lock = NULL;
250 p_vout->p_picture[i_index].pf_unlock = NULL;
251 p_vout->p_picture[i_index].i_status = FREE_PICTURE;
252 p_vout->p_picture[i_index].i_type = EMPTY_PICTURE;
253 p_vout->p_picture[i_index].b_slow = 0;
256 /* No images in the heap */
257 p_vout->i_heap_size = 0;
259 /* Initialize the rendering heap */
260 I_RENDERPICTURES = 0;
262 vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
263 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
264 p_vout->fmt_render = *p_fmt; /* FIXME palette */
265 p_vout->fmt_in = *p_fmt; /* FIXME palette */
267 p_vout->render.i_width = i_width;
268 p_vout->render.i_height = i_height;
269 p_vout->render.i_chroma = i_chroma;
270 p_vout->render.i_aspect = i_aspect;
272 p_vout->render.i_rmask = 0;
273 p_vout->render.i_gmask = 0;
274 p_vout->render.i_bmask = 0;
276 p_vout->render.i_last_used_pic = -1;
277 p_vout->render.b_allow_modify_pics = 1;
279 /* Zero the output heap */
280 I_OUTPUTPICTURES = 0;
281 p_vout->output.i_width = 0;
282 p_vout->output.i_height = 0;
283 p_vout->output.i_chroma = 0;
284 p_vout->output.i_aspect = 0;
286 p_vout->output.i_rmask = 0;
287 p_vout->output.i_gmask = 0;
288 p_vout->output.i_bmask = 0;
290 /* Initialize misc stuff */
291 p_vout->i_changes = 0;
293 p_vout->b_grayscale = 0;
295 p_vout->b_interface = 0;
297 p_vout->b_fullscreen = 0;
298 p_vout->i_alignment = 0;
299 p_vout->render_time = 10;
300 p_vout->c_fps_samples = 0;
301 p_vout->b_filter_change = 0;
302 p_vout->pf_control = 0;
303 p_vout->p_parent_intf = 0;
304 p_vout->i_par_num = p_vout->i_par_den = 1;
306 /* Initialize locks */
307 vlc_mutex_init( p_vout, &p_vout->picture_lock );
308 vlc_mutex_init( p_vout, &p_vout->change_lock );
310 /* Mouse coordinates */
311 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
312 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
313 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
314 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
315 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
317 /* Initialize subpicture unit */
318 p_vout->p_spu = spu_Create( p_vout );
319 spu_Attach( p_vout->p_spu, p_parent, VLC_TRUE );
321 /* Attach the new object now so we can use var inheritance below */
322 vlc_object_attach( p_vout, p_parent );
324 spu_Init( p_vout->p_spu );
326 /* Take care of some "interface/control" related initialisations */
327 vout_IntfInit( p_vout );
329 /* If the parent is not a VOUT object, that means we are at the start of
330 * the video output pipe */
331 if( p_parent->i_object_type != VLC_OBJECT_VOUT )
333 /* Look for the default filter configuration */
334 var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
335 var_Get( p_vout, "vout-filter", &val );
336 p_vout->psz_filter_chain = val.psz_string;
338 /* Apply video filter2 objects on the first vout */
339 var_Create( p_vout, "video-filter",
340 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
341 var_Get( p_vout, "video-filter", &val );
342 ParseVideoFilter2Chain( p_vout, val.psz_string );
343 free( val.psz_string );
347 /* continue the parent's filter chain */
350 psz_end = strchr( ((vout_thread_t *)p_parent)->psz_filter_chain, ':' );
351 if( psz_end && *(psz_end+1) )
352 p_vout->psz_filter_chain = strdup( psz_end+1 );
353 else p_vout->psz_filter_chain = NULL;
355 /* Create a video filter2 var ... but don't inherit values */
356 var_Create( p_vout, "video-filter", VLC_VAR_STRING );
357 ParseVideoFilter2Chain( p_vout, NULL );
360 var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
361 p_vout->b_vfilter_change = VLC_TRUE;
362 p_vout->i_vfilters = 0;
364 /* Choose the video output module */
365 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
367 var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
368 var_Get( p_vout, "vout", &val );
369 psz_plugin = val.psz_string;
373 /* the filter chain is a string list of filters separated by double
377 psz_end = strchr( p_vout->psz_filter_chain, ':' );
379 psz_plugin = strndup( p_vout->psz_filter_chain,
380 psz_end - p_vout->psz_filter_chain );
381 else psz_plugin = strdup( p_vout->psz_filter_chain );
384 /* Create the vout thread */
385 p_vout->p_module = module_Need( p_vout,
386 ( p_vout->psz_filter_chain && *p_vout->psz_filter_chain ) ?
387 "video filter" : "video output", psz_plugin, 0 );
389 if( psz_plugin ) free( psz_plugin );
390 if( p_vout->p_module == NULL )
392 msg_Err( p_vout, "no suitable vout module" );
393 vlc_object_detach( p_vout );
394 vlc_object_destroy( p_vout );
398 /* Create a few object variables for interface interaction */
399 var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
400 text.psz_string = _("Deinterlace");
401 var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );
402 val.psz_string = ""; text.psz_string = _("Disable");
403 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
404 val.psz_string = "discard"; text.psz_string = _("Discard");
405 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
406 val.psz_string = "blend"; text.psz_string = _("Blend");
407 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
408 val.psz_string = "mean"; text.psz_string = _("Mean");
409 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
410 val.psz_string = "bob"; text.psz_string = _("Bob");
411 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
412 val.psz_string = "linear"; text.psz_string = _("Linear");
413 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
414 val.psz_string = "x"; text.psz_string = "X";
415 var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
417 if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
419 var_Set( p_vout, "deinterlace", val );
420 if( val.psz_string ) free( val.psz_string );
422 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, VLC_TRUE ) )
446 msg_Err( p_vout, "out of memory" );
447 module_Unneed( p_vout, p_vout->p_module );
448 vlc_object_detach( p_vout );
449 vlc_object_destroy( p_vout );
453 if( p_vout->b_error )
455 msg_Err( p_vout, "video output creation failed" );
457 /* Make sure the thread is destroyed */
458 p_vout->b_die = VLC_TRUE;
460 vlc_thread_join( p_vout );
462 vlc_object_detach( p_vout );
463 vlc_object_destroy( p_vout );
470 /*****************************************************************************
471 * vout_Destroy: destroys a previously created video output
472 *****************************************************************************
473 * Destroy a terminated thread.
474 * The function will request a destruction of the specified thread. If pi_error
475 * is NULL, it will return once the thread is destroyed. Else, it will be
476 * update using one of the THREAD_* constants.
477 *****************************************************************************/
478 void vout_Destroy( vout_thread_t *p_vout )
480 vout_thread_t *p_another_vout;
481 vlc_object_t *p_playlist = pl_Yield( p_vout );
483 /* Request thread destruction */
484 p_vout->b_die = VLC_TRUE;
485 vlc_thread_join( p_vout );
487 var_Destroy( p_vout, "intf-change" );
489 if( p_vout->psz_filter_chain ) free( p_vout->psz_filter_chain );
492 vlc_object_destroy( p_vout );
494 p_another_vout = vlc_object_find( p_playlist,
495 VLC_OBJECT_VOUT, FIND_ANYWHERE );
496 if( p_another_vout == NULL )
499 val.b_bool = VLC_TRUE;
500 var_Set( p_playlist, "intf-show", val );
504 vlc_object_release( p_another_vout );
506 vlc_object_release( p_playlist );
509 /*****************************************************************************
510 * InitThread: initialize video output thread
511 *****************************************************************************
512 * This function is called from RunThread and performs the second step of the
513 * initialization. It returns 0 on success. Note that the thread's flag are not
514 * modified inside this function.
515 *****************************************************************************/
516 static int InitThread( vout_thread_t *p_vout )
518 int i, i_aspect_x, i_aspect_y;
520 vlc_mutex_lock( &p_vout->change_lock );
526 /* Initialize output method, it allocates direct buffers for us */
527 if( p_vout->pf_init( p_vout ) )
529 vlc_mutex_unlock( &p_vout->change_lock );
533 if( !I_OUTPUTPICTURES )
535 msg_Err( p_vout, "plugin was unable to allocate at least "
536 "one direct buffer" );
537 p_vout->pf_end( p_vout );
538 vlc_mutex_unlock( &p_vout->change_lock );
542 if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
544 msg_Err( p_vout, "plugin allocated too many direct buffers, "
545 "our internal buffers must have overflown." );
546 p_vout->pf_end( p_vout );
547 vlc_mutex_unlock( &p_vout->change_lock );
551 msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
553 AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );
555 msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
556 "chroma %4.4s, ar %i:%i, sar %i:%i",
557 p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
558 p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
559 p_vout->fmt_render.i_visible_width,
560 p_vout->fmt_render.i_visible_height,
561 (char*)&p_vout->fmt_render.i_chroma,
562 i_aspect_x, i_aspect_y,
563 p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den );
565 AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );
567 msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
568 "chroma %4.4s, ar %i:%i, sar %i:%i",
569 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
570 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
571 p_vout->fmt_in.i_visible_width,
572 p_vout->fmt_in.i_visible_height,
573 (char*)&p_vout->fmt_in.i_chroma,
574 i_aspect_x, i_aspect_y,
575 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
577 if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
579 p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
580 p_vout->output.i_width;
581 p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
582 p_vout->output.i_height;
583 p_vout->fmt_out.i_x_offset = p_vout->fmt_out.i_y_offset = 0;
585 p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
586 p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
588 if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
590 p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
591 p_vout->fmt_out.i_height;
592 p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
593 p_vout->fmt_out.i_width;
596 vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
597 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
599 AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
601 msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
602 "chroma %4.4s, ar %i:%i, sar %i:%i",
603 p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
604 p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
605 p_vout->fmt_out.i_visible_width,
606 p_vout->fmt_out.i_visible_height,
607 (char*)&p_vout->fmt_out.i_chroma,
608 i_aspect_x, i_aspect_y,
609 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
611 /* Calculate shifts from system-updated masks */
612 MaskToShift( &p_vout->output.i_lrshift, &p_vout->output.i_rrshift,
613 p_vout->output.i_rmask );
614 MaskToShift( &p_vout->output.i_lgshift, &p_vout->output.i_rgshift,
615 p_vout->output.i_gmask );
616 MaskToShift( &p_vout->output.i_lbshift, &p_vout->output.i_rbshift,
617 p_vout->output.i_bmask );
619 /* Check whether we managed to create direct buffers similar to
620 * the render buffers, ie same size and chroma */
621 if( ( p_vout->output.i_width == p_vout->render.i_width )
622 && ( p_vout->output.i_height == p_vout->render.i_height )
623 && ( vout_ChromaCmp( p_vout->output.i_chroma, p_vout->render.i_chroma ) ) )
625 /* Cool ! We have direct buffers, we can ask the decoder to
626 * directly decode into them ! Map the first render buffers to
627 * the first direct buffers, but keep the first direct buffer
628 * for memcpy operations */
629 p_vout->b_direct = 1;
631 for( i = 1; i < VOUT_MAX_PICTURES; i++ )
633 if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
634 I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
635 p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
637 /* We have enough direct buffers so there's no need to
638 * try to use system memory buffers. */
641 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
645 msg_Dbg( p_vout, "direct render, mapping "
646 "render pictures 0-%i to system pictures 1-%i",
647 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
651 /* Rats... Something is wrong here, we could not find an output
652 * plugin able to directly render what we decode. See if we can
653 * find a chroma plugin to do the conversion */
654 p_vout->b_direct = 0;
656 /* Choose the best module */
657 p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL, 0 );
659 if( p_vout->chroma.p_module == NULL )
661 msg_Err( p_vout, "no chroma module for %4.4s to %4.4s",
662 (char*)&p_vout->render.i_chroma,
663 (char*)&p_vout->output.i_chroma );
664 p_vout->pf_end( p_vout );
665 vlc_mutex_unlock( &p_vout->change_lock );
669 msg_Dbg( p_vout, "indirect render, mapping "
670 "render pictures 0-%i to system pictures %i-%i",
671 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
672 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
674 /* Append render buffers after the direct buffers */
675 for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
677 PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
680 /* Check if we have enough render pictures */
681 if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
686 /* Link pictures back to their heap */
687 for( i = 0 ; i < I_RENDERPICTURES ; i++ )
689 PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
692 for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
694 PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
697 /* XXX XXX mark thread ready */
701 /*****************************************************************************
702 * RunThread: video output thread
703 *****************************************************************************
704 * Video output thread. This function does only returns when the thread is
705 * terminated. It handles the pictures arriving in the video heap and the
706 * display device events.
707 *****************************************************************************/
708 static void RunThread( vout_thread_t *p_vout)
710 int i_index; /* index in heap */
711 int i_idle_loops = 0; /* loops without displaying a picture */
712 mtime_t current_date; /* current date */
713 mtime_t display_date; /* display date */
715 picture_t * p_picture; /* picture pointer */
716 picture_t * p_last_picture = NULL; /* last picture */
717 picture_t * p_directbuffer; /* direct buffer to display */
719 subpicture_t * p_subpic = NULL; /* subpicture pointer */
721 input_thread_t *p_input = NULL ; /* Parent input, if it exists */
724 vlc_bool_t b_drop_late;
726 int i_displayed = 0, i_lost = 0, i_loops = 0;
731 p_vout->b_error = InitThread( p_vout );
733 var_Create( p_vout, "drop-late-frames", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
734 var_Get( p_vout, "drop-late-frames", &val );
735 b_drop_late = val.b_bool;
737 /* signal the creation of the vout */
738 vlc_thread_ready( p_vout );
740 if( p_vout->b_error )
742 /* Destroy thread structures allocated by Create and InitThread */
743 DestroyThread( p_vout );
748 * Main loop - it is not executed if an error occurred during
751 while( (!p_vout->b_die) && (!p_vout->b_error) )
753 /* Initialize loop variables */
756 current_date = mdate();
758 if( p_input && p_input->b_die )
760 vlc_object_release( p_input );
765 if( i_loops % 20 == 0 )
769 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
774 vlc_mutex_lock( &p_input->counters.counters_lock );
775 stats_UpdateInteger( p_vout, p_input->counters.p_lost_pictures,
777 stats_UpdateInteger( p_vout,
778 p_input->counters.p_displayed_pictures,
780 i_displayed = i_lost = 0;
781 vlc_mutex_unlock( &p_input->counters.counters_lock );
786 if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
788 msg_Dbg( p_vout, "picture heap: %d/%d",
789 I_RENDERPICTURES, p_vout->i_heap_size );
794 * Find the picture to display (the one with the earliest date).
795 * This operation does not need lock, since only READY_PICTUREs
797 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
799 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
800 && ( (p_picture == NULL) ||
801 (PP_RENDERPICTURE[i_index]->date < display_date) ) )
803 p_picture = PP_RENDERPICTURE[i_index];
804 display_date = p_picture->date;
810 /* If we met the last picture, parse again to see whether there is
811 * a more appropriate one. */
812 if( p_picture == p_last_picture )
814 for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
816 if( (PP_RENDERPICTURE[i_index]->i_status == READY_PICTURE)
817 && (PP_RENDERPICTURE[i_index] != p_last_picture)
818 && ((p_picture == p_last_picture) ||
819 (PP_RENDERPICTURE[i_index]->date < display_date)) )
821 p_picture = PP_RENDERPICTURE[i_index];
822 display_date = p_picture->date;
827 /* If we found better than the last picture, destroy it */
828 if( p_last_picture && p_picture != p_last_picture )
830 vlc_mutex_lock( &p_vout->picture_lock );
831 if( p_last_picture->i_refcount )
833 p_last_picture->i_status = DISPLAYED_PICTURE;
837 p_last_picture->i_status = DESTROYED_PICTURE;
838 p_vout->i_heap_size--;
840 vlc_mutex_unlock( &p_vout->picture_lock );
841 p_last_picture = NULL;
844 /* Compute FPS rate */
845 p_vout->p_fps_sample[ p_vout->c_fps_samples++ % VOUT_FPS_SAMPLES ]
848 if( !p_picture->b_force &&
849 p_picture != p_last_picture &&
850 display_date < current_date + p_vout->render_time &&
853 /* Picture is late: it will be destroyed and the thread
854 * will directly choose the next picture */
855 vlc_mutex_lock( &p_vout->picture_lock );
856 if( p_picture->i_refcount )
858 /* Pretend we displayed the picture, but don't destroy
859 * it since the decoder might still need it. */
860 p_picture->i_status = DISPLAYED_PICTURE;
864 /* Destroy the picture without displaying it */
865 p_picture->i_status = DESTROYED_PICTURE;
866 p_vout->i_heap_size--;
868 msg_Warn( p_vout, "late picture skipped ("I64Fd")",
869 current_date - display_date );
871 vlc_mutex_unlock( &p_vout->picture_lock );
877 current_date + p_vout->i_pts_delay + VOUT_BOGUS_DELAY )
879 /* Picture is waaay too early: it will be destroyed */
880 vlc_mutex_lock( &p_vout->picture_lock );
881 if( p_picture->i_refcount )
883 /* Pretend we displayed the picture, but don't destroy
884 * it since the decoder might still need it. */
885 p_picture->i_status = DISPLAYED_PICTURE;
889 /* Destroy the picture without displaying it */
890 p_picture->i_status = DESTROYED_PICTURE;
891 p_vout->i_heap_size--;
894 msg_Warn( p_vout, "vout warning: early picture skipped "
895 "("I64Fd")", display_date - current_date
896 - p_vout->i_pts_delay );
897 vlc_mutex_unlock( &p_vout->picture_lock );
902 if( display_date > current_date + VOUT_DISPLAY_DELAY )
904 /* A picture is ready to be rendered, but its rendering date
905 * is far from the current one so the thread will perform an
906 * empty loop as if no picture were found. The picture state
911 else if( p_picture == p_last_picture )
913 /* We are asked to repeat the previous picture, but we first
914 * wait for a couple of idle loops */
915 if( i_idle_loops < 4 )
922 /* We set the display date to something high, otherwise
923 * we'll have lots of problems with late pictures */
924 display_date = current_date + p_vout->render_time;
929 if( p_picture == NULL )
934 /* Video Filter2 stuff */
935 if( p_vout->b_vfilter_change == VLC_TRUE )
938 RemoveVideoFilters2( p_vout );
939 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
941 filter_t *p_vfilter =
942 p_vout->pp_vfilters[p_vout->i_vfilters] =
943 vlc_object_create( p_vout, VLC_OBJECT_FILTER );
945 vlc_object_attach( p_vfilter, p_vout );
947 p_vfilter->pf_vout_buffer_new = video_new_buffer_filter;
948 p_vfilter->pf_vout_buffer_del = video_del_buffer_filter;
950 if( !p_vout->i_vfilters )
952 p_vfilter->fmt_in.video = p_vout->fmt_render;
956 p_vfilter->fmt_in.video = (p_vfilter-1)->fmt_out.video;
958 /* TODO: one day filters in the middle of the chain might
959 * have a different fmt_out.video than fmt_render ... */
960 p_vfilter->fmt_out.video = p_vout->fmt_render;
962 p_vfilter->p_cfg = p_vout->p_vfilters_cfg[i];
963 p_vfilter->p_module = module_Need( p_vfilter, "video filter2",
964 p_vout->psz_vfilters[i], 0 );
966 if( p_vfilter->p_module )
969 malloc( sizeof( filter_owner_sys_t ) );
970 p_vfilter->p_owner->p_vout = p_vout;
971 p_vout->i_vfilters++;
972 msg_Dbg( p_vout, "video filter found (%s)",
973 p_vout->psz_vfilters[i] );
977 msg_Err( p_vout, "no video filter found (%s)",
978 p_vout->psz_vfilters[i] );
979 vlc_object_detach( p_vfilter );
980 vlc_object_destroy( p_vfilter );
983 p_vout->b_vfilter_change = VLC_FALSE;
989 for( i = 0; i < p_vout->i_vfilters; i++ )
991 picture_t *p_old = p_picture;
992 p_picture = p_vout->pp_vfilters[i]->pf_video_filter(
993 p_vout->pp_vfilters[i], p_picture );
998 /* FIXME: this is kind of wrong
999 * if you have 2 or more vfilters and the 2nd breaks,
1000 * on the next loop the 1st one will be applied again */
1002 /* if p_old and p_picture are the same (ie the filter
1003 * worked on the old picture), then following code is
1004 * still alright since i_status gets changed back to
1005 * the right value */
1006 if( p_old->i_refcount )
1008 p_old->i_status = DISPLAYED_PICTURE;
1012 p_old->i_status = DESTROYED_PICTURE;
1014 p_picture->i_status = READY_PICTURE;
1018 if( p_picture && p_vout->b_snapshot )
1020 p_vout->b_snapshot = VLC_FALSE;
1021 vout_Snapshot( p_vout, p_picture );
1025 * Check for subpictures to display
1027 if( display_date > 0 )
1031 p_input = vlc_object_find( p_vout, VLC_OBJECT_INPUT,
1034 p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
1035 p_input ? var_GetBool( p_input, "state" ) == PAUSE_S : VLC_FALSE );
1042 p_directbuffer = vout_RenderPicture( p_vout, p_picture, p_subpic );
1045 * Call the plugin-specific rendering method if there is one
1047 if( p_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
1049 /* Render the direct buffer returned by vout_RenderPicture */
1050 p_vout->pf_render( p_vout, p_directbuffer );
1056 if( display_date != 0 && p_directbuffer != NULL )
1058 mtime_t current_render_time = mdate() - current_date;
1059 /* if render time is very large we don't include it in the mean */
1060 if( current_render_time < p_vout->render_time +
1061 VOUT_DISPLAY_DELAY )
1063 /* Store render time using a sliding mean weighting to
1064 * current value in a 3 to 1 ratio*/
1065 p_vout->render_time *= 3;
1066 p_vout->render_time += current_render_time;
1067 p_vout->render_time >>= 2;
1071 /* Give back change lock */
1072 vlc_mutex_unlock( &p_vout->change_lock );
1074 /* Sleep a while or until a given date */
1075 if( display_date != 0 )
1077 /* If there are filters in the chain, better give them the picture
1079 if( !p_vout->psz_filter_chain || !*p_vout->psz_filter_chain )
1081 mwait( display_date - VOUT_MWAIT_TOLERANCE );
1086 msleep( VOUT_IDLE_SLEEP );
1089 /* On awakening, take back lock and send immediately picture
1091 vlc_mutex_lock( &p_vout->change_lock );
1094 * Display the previously rendered picture
1096 if( p_picture != NULL && p_directbuffer != NULL )
1098 /* Display the direct buffer returned by vout_RenderPicture */
1099 if( p_vout->pf_display )
1101 p_vout->pf_display( p_vout, p_directbuffer );
1104 /* Tell the vout this was the last picture and that it does not
1105 * need to be forced anymore. */
1106 p_last_picture = p_picture;
1107 p_last_picture->b_force = 0;
1110 if( p_picture != NULL )
1112 /* Reinitialize idle loop count */
1117 * Check events and manage thread
1119 if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
1121 /* A fatal error occurred, and the thread must terminate
1122 * immediately, without displaying anything - setting b_error to 1
1123 * causes the immediate end of the main while() loop. */
1124 p_vout->b_error = 1;
1127 if( p_vout->i_changes & VOUT_SIZE_CHANGE )
1129 /* this must only happen when the vout plugin is incapable of
1130 * rescaling the picture itself. In this case we need to destroy
1131 * the current picture buffers and recreate new ones with the right
1135 p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
1137 p_vout->pf_end( p_vout );
1138 for( i = 0; i < I_OUTPUTPICTURES; i++ )
1139 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1141 I_OUTPUTPICTURES = 0;
1142 if( p_vout->pf_init( p_vout ) )
1144 msg_Err( p_vout, "cannot resize display" );
1145 /* FIXME: pf_end will be called again in EndThread() */
1146 p_vout->b_error = 1;
1149 /* Need to reinitialise the chroma plugin */
1150 if( p_vout->chroma.p_module )
1152 if( p_vout->chroma.p_module->pf_deactivate )
1153 p_vout->chroma.p_module->pf_deactivate( VLC_OBJECT(p_vout) );
1154 p_vout->chroma.p_module->pf_activate( VLC_OBJECT(p_vout) );
1158 if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
1160 /* This happens when the picture buffers need to be recreated.
1161 * This is useful on multimonitor displays for instance.
1163 * Warning: This only works when the vout creates only 1 picture
1165 p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
1167 if( !p_vout->b_direct )
1169 module_Unneed( p_vout, p_vout->chroma.p_module );
1172 vlc_mutex_lock( &p_vout->picture_lock );
1174 p_vout->pf_end( p_vout );
1176 I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
1178 p_vout->b_error = InitThread( p_vout );
1180 vlc_mutex_unlock( &p_vout->picture_lock );
1186 vlc_object_release( p_input );
1190 * Error loop - wait until the thread destruction is requested
1192 if( p_vout->b_error )
1194 ErrorThread( p_vout );
1198 EndThread( p_vout );
1200 /* Destroy thread structures allocated by CreateThread */
1201 DestroyThread( p_vout );
1204 /*****************************************************************************
1205 * ErrorThread: RunThread() error loop
1206 *****************************************************************************
1207 * This function is called when an error occurred during thread main's loop.
1208 * The thread can still receive feed, but must be ready to terminate as soon
1210 *****************************************************************************/
1211 static void ErrorThread( vout_thread_t *p_vout )
1213 /* Wait until a `die' order */
1214 while( !p_vout->b_die )
1217 msleep( VOUT_IDLE_SLEEP );
1221 /*****************************************************************************
1222 * EndThread: thread destruction
1223 *****************************************************************************
1224 * This function is called when the thread ends after a sucessful
1225 * initialization. It frees all resources allocated by InitThread.
1226 *****************************************************************************/
1227 static void EndThread( vout_thread_t *p_vout )
1229 int i_index; /* index in heap */
1233 struct tms cpu_usage;
1234 times( &cpu_usage );
1236 msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
1237 cpu_usage.tms_utime, cpu_usage.tms_stime );
1241 if( !p_vout->b_direct )
1243 module_Unneed( p_vout, p_vout->chroma.p_module );
1246 /* Destroy all remaining pictures */
1247 for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
1249 if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
1251 free( p_vout->p_picture[i_index].p_data_orig );
1255 /* Destroy subpicture unit */
1256 spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), VLC_FALSE );
1257 spu_Destroy( p_vout->p_spu );
1259 /* Destroy the video filters2 */
1260 RemoveVideoFilters2( p_vout );
1262 /* Destroy translation tables */
1263 p_vout->pf_end( p_vout );
1265 /* Release the change lock */
1266 vlc_mutex_unlock( &p_vout->change_lock );
1269 /*****************************************************************************
1270 * DestroyThread: thread destruction
1271 *****************************************************************************
1272 * This function is called when the thread ends. It frees all ressources
1273 * allocated by CreateThread. Status is available at this stage.
1274 *****************************************************************************/
1275 static void DestroyThread( vout_thread_t *p_vout )
1277 /* Destroy the locks */
1278 vlc_mutex_destroy( &p_vout->picture_lock );
1279 vlc_mutex_destroy( &p_vout->change_lock );
1281 /* Release the module */
1282 if( p_vout && p_vout->p_module )
1284 module_Unneed( p_vout, p_vout->p_module );
1288 /* following functions are local */
1290 static int ReduceHeight( int i_ratio )
1292 int i_dummy = VOUT_ASPECT_FACTOR;
1300 /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
1301 while( !(i_ratio & 1) && !(i_dummy & 1) )
1308 while( !(i_ratio % 3) && !(i_dummy % 3) )
1315 while( !(i_ratio % 5) && !(i_dummy % 5) )
1325 static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
1327 unsigned int i_pgcd = ReduceHeight( i_aspect );
1328 *i_aspect_x = i_aspect / i_pgcd;
1329 *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
1332 /*****************************************************************************
1333 * BinaryLog: computes the base 2 log of a binary value
1334 *****************************************************************************
1335 * This functions is used by MaskToShift, to get a bit index from a binary
1337 *****************************************************************************/
1338 static int BinaryLog( uint32_t i )
1342 if( i == 0 ) return -31337;
1344 if( i & 0xffff0000 ) i_log += 16;
1345 if( i & 0xff00ff00 ) i_log += 8;
1346 if( i & 0xf0f0f0f0 ) i_log += 4;
1347 if( i & 0xcccccccc ) i_log += 2;
1348 if( i & 0xaaaaaaaa ) i_log += 1;
1353 /*****************************************************************************
1354 * MaskToShift: transform a color mask into right and left shifts
1355 *****************************************************************************
1356 * This function is used for obtaining color shifts from masks.
1357 *****************************************************************************/
1358 static void MaskToShift( int *pi_left, int *pi_right, uint32_t i_mask )
1360 uint32_t i_low, i_high; /* lower hand higher bits of the mask */
1364 *pi_left = *pi_right = 0;
1369 i_low = i_high = i_mask;
1371 i_low &= - (int32_t)i_low; /* lower bit of the mask */
1372 i_high += i_low; /* higher bit of the mask */
1374 /* Transform bits into an index. Also deal with i_high overflow, which
1375 * is faster than changing the BinaryLog code to handle 64 bit integers. */
1376 i_low = BinaryLog (i_low);
1377 i_high = i_high ? BinaryLog (i_high) : 32;
1379 /* Update pointers and return */
1381 *pi_right = (8 - i_high + i_low);
1384 /*****************************************************************************
1385 * vout_VarCallback: generic callback for intf variables
1386 *****************************************************************************/
1387 int vout_VarCallback( vlc_object_t * p_this, const char * psz_variable,
1388 vlc_value_t old_value, vlc_value_t new_value,
1391 vout_thread_t * p_vout = (vout_thread_t *)p_this;
1393 val.b_bool = VLC_TRUE;
1394 var_Set( p_vout, "intf-change", val );
1398 /*****************************************************************************
1399 * Helper thread for object variables callbacks.
1400 * Only used to avoid deadlocks when using the video embedded mode.
1401 *****************************************************************************/
1402 typedef struct suxor_thread_t
1405 input_thread_t *p_input;
1409 static void SuxorRestartVideoES( suxor_thread_t *p_this )
1413 vlc_thread_ready( p_this );
1415 /* Now restart current video stream */
1416 var_Get( p_this->p_input, "video-es", &val );
1417 if( val.i_int >= 0 )
1420 val_es.i_int = -VIDEO_ES;
1421 var_Set( p_this->p_input, "video-es", val_es );
1422 var_Set( p_this->p_input, "video-es", val );
1425 vlc_object_release( p_this->p_input );
1428 CloseHandle( p_this->thread_id );
1431 vlc_object_destroy( p_this );
1434 /*****************************************************************************
1435 * object variables callbacks: a bunch of object variables are used by the
1436 * interfaces to interact with the vout.
1437 *****************************************************************************/
1438 static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
1439 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1441 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1442 input_thread_t *p_input;
1445 char *psz_mode = newval.psz_string;
1446 char *psz_filter, *psz_deinterlace = NULL;
1448 var_Get( p_vout, "vout-filter", &val );
1449 psz_filter = val.psz_string;
1450 if( psz_filter ) psz_deinterlace = strstr( psz_filter, "deinterlace" );
1452 if( !psz_mode || !*psz_mode )
1454 if( psz_deinterlace )
1456 char *psz_src = psz_deinterlace + sizeof("deinterlace") - 1;
1457 if( psz_src[0] == ':' ) psz_src++;
1458 memmove( psz_deinterlace, psz_src, strlen(psz_src) + 1 );
1461 else if( !psz_deinterlace )
1463 psz_filter = realloc( psz_filter, strlen( psz_filter ) +
1464 sizeof(":deinterlace") );
1465 if( psz_filter && *psz_filter ) strcat( psz_filter, ":" );
1466 strcat( psz_filter, "deinterlace" );
1469 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1471 if( !p_input ) return VLC_EGENERIC;
1473 if( psz_mode && *psz_mode )
1475 /* Modify input as well because the vout might have to be restarted */
1476 val.psz_string = psz_mode;
1477 var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1478 var_Set( p_input, "deinterlace-mode", val );
1480 vlc_object_release( p_input );
1482 val.b_bool = VLC_TRUE;
1483 var_Set( p_vout, "intf-change", val );
1485 val.psz_string = psz_filter;
1486 var_Set( p_vout, "vout-filter", val );
1487 if( psz_filter ) free( psz_filter );
1492 static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
1493 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1495 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1496 input_thread_t *p_input;
1499 p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
1503 msg_Err( p_vout, "Input not found" );
1504 return( VLC_EGENERIC );
1507 val.b_bool = VLC_TRUE;
1508 var_Set( p_vout, "intf-change", val );
1510 /* Modify input as well because the vout might have to be restarted */
1511 val.psz_string = newval.psz_string;
1512 var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1514 var_Set( p_input, "vout-filter", val );
1516 /* Now restart current video stream */
1517 var_Get( p_input, "video-es", &val );
1518 if( val.i_int >= 0 )
1520 suxor_thread_t *p_suxor =
1521 vlc_object_create( p_vout, sizeof(suxor_thread_t) );
1522 p_suxor->p_input = p_input;
1523 p_vout->b_filter_change = VLC_TRUE;
1524 vlc_object_yield( p_input );
1525 vlc_thread_create( p_suxor, "suxor", SuxorRestartVideoES,
1526 VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
1529 vlc_object_release( p_input );
1534 /*****************************************************************************
1535 * Video Filter2 stuff
1536 *****************************************************************************/
1537 static int ParseVideoFilter2Chain( vout_thread_t *p_vout, char *psz_vfilters )
1540 for( i = 0; i < p_vout->i_vfilters_cfg; i++ )
1542 /* FIXME: this should be moved in a separate function */
1543 struct sout_cfg_t *p_cfg =
1544 p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg];
1547 struct sout_cfg_t *p_next = p_cfg->p_next;
1548 free( p_cfg->psz_name );
1549 free( p_cfg->psz_value );
1555 free( p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1557 p_vout->i_vfilters_cfg = 0;
1558 if( psz_vfilters && *psz_vfilters )
1560 char *psz_parser = psz_vfilters;
1562 while( psz_parser && *psz_parser )
1564 psz_parser = sout_CfgCreate(
1565 &p_vout->psz_vfilters[p_vout->i_vfilters_cfg],
1566 &p_vout->p_vfilters_cfg[p_vout->i_vfilters_cfg],
1568 msg_Dbg( p_vout, "adding vfilter: %s\n",
1569 p_vout->psz_vfilters[p_vout->i_vfilters_cfg] );
1570 p_vout->i_vfilters_cfg++;
1571 if( psz_parser && psz_parser )
1573 if( p_vout->i_vfilters_cfg == MAX_VFILTERS )
1576 "maximum number of video filters reached. \"%s\" discarded",
1586 static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
1587 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1589 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1591 ParseVideoFilter2Chain( p_vout, newval.psz_string );
1592 p_vout->b_vfilter_change = VLC_TRUE;
1597 static void RemoveVideoFilters2( vout_thread_t *p_vout )
1600 for( i = 0; i < p_vout->i_vfilters; i++ )
1602 vlc_object_detach( p_vout->pp_vfilters[i] );
1603 if( p_vout->pp_vfilters[i]->p_module )
1605 module_Unneed( p_vout->pp_vfilters[i],
1606 p_vout->pp_vfilters[i]->p_module );
1609 free( p_vout->pp_vfilters[i]->p_owner );
1610 vlc_object_destroy( p_vout->pp_vfilters[i] );
1612 p_vout->i_vfilters = 0;