1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2004-2007 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea@videolan.org>
8 * Christophe Massiot <massiot@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
28 #include <errno.h> /* ENOMEM */
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
37 #include <vlc_block.h>
38 #include <vlc_codec.h>
40 #include <vlc_image.h>
41 #include <vlc_filter.h>
43 #include "../video_filter/mosaic.h"
47 /*****************************************************************************
49 *****************************************************************************/
50 struct sout_stream_sys_t
56 image_handler_t *p_image; /* filter for resizing */
57 int i_height, i_width;
58 unsigned int i_sar_num, i_sar_den;
62 int i_chroma; /* force image format chroma */
64 filter_t **pp_vfilters;
68 #define PICTURE_RING_SIZE 4
69 struct decoder_owner_sys_t
71 picture_t *pp_pics[PICTURE_RING_SIZE];
73 /* Current format in use by the output */
77 typedef void (* pf_release_t)( picture_t * );
78 static void ReleasePicture( picture_t *p_pic )
82 if( --p_pic->i_refcount > 0 )
85 assert( p_pic->p_sys );
88 pf_release_t pf_release = (pf_release_t)p_pic->p_sys;
94 free( p_pic->p_data_orig );
99 /*****************************************************************************
101 *****************************************************************************/
102 static int Open ( vlc_object_t * );
103 static void Close ( vlc_object_t * );
104 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
105 static int Del ( sout_stream_t *, sout_stream_id_t * );
106 static int Send( sout_stream_t *, sout_stream_id_t *, block_t * );
108 inline static void video_del_buffer_decoder( decoder_t *, picture_t * );
109 inline static void video_del_buffer_filter( filter_t *, picture_t * );
110 static void video_del_buffer( picture_t * );
112 inline static picture_t *video_new_buffer_decoder( decoder_t * );
113 inline static picture_t *video_new_buffer_filter( filter_t * );
114 static picture_t *video_new_buffer( vlc_object_t *, decoder_owner_sys_t *,
115 es_format_t *, void (*)( picture_t * ) );
117 static void video_link_picture_decoder( decoder_t *, picture_t * );
118 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
120 static int HeightCallback( vlc_object_t *, char const *,
121 vlc_value_t, vlc_value_t, void * );
122 static int WidthCallback( vlc_object_t *, char const *,
123 vlc_value_t, vlc_value_t, void * );
124 static int alphaCallback( vlc_object_t *, char const *,
125 vlc_value_t, vlc_value_t, void * );
126 static int xCallback( vlc_object_t *, char const *,
127 vlc_value_t, vlc_value_t, void * );
128 static int yCallback( vlc_object_t *, char const *,
129 vlc_value_t, vlc_value_t, void * );
131 /*****************************************************************************
133 *****************************************************************************/
134 #define ID_TEXT N_("ID")
135 #define ID_LONGTEXT N_( \
136 "Specify an identifier string for this subpicture" )
138 #define WIDTH_TEXT N_("Video width")
139 #define WIDTH_LONGTEXT N_( \
140 "Output video width." )
141 #define HEIGHT_TEXT N_("Video height")
142 #define HEIGHT_LONGTEXT N_( \
143 "Output video height." )
144 #define RATIO_TEXT N_("Sample aspect ratio")
145 #define RATIO_LONGTEXT N_( \
146 "Sample aspect ratio of the destination (1:1, 3:4, 2:3)." )
148 #define VFILTER_TEXT N_("Video filter")
149 #define VFILTER_LONGTEXT N_( \
150 "Video filters will be applied to the video stream." )
152 #define CHROMA_TEXT N_("Image chroma")
153 #define CHROMA_LONGTEXT N_( \
154 "Force the use of a specific chroma. Use YUVA if you're planning " \
155 "to use the Alphamask or Bluescreen video filter." )
157 #define ALPHA_TEXT N_("Transparency")
158 #define ALPHA_LONGTEXT N_( \
159 "Transparency of the mosaic picture." )
161 #define X_TEXT N_("X offset")
162 #define X_LONGTEXT N_( \
163 "X coordinate of the upper left corner in the mosaic if non negative." )
165 #define Y_TEXT N_("Y offset")
166 #define Y_LONGTEXT N_( \
167 "Y coordinate of the upper left corner in the mosaic if non negative." )
169 #define CFG_PREFIX "sout-mosaic-bridge-"
172 set_shortname( N_( "Mosaic bridge" ) );
173 set_description(N_("Mosaic bridge stream output") );
174 set_capability( "sout stream", 0 );
175 add_shortcut( "mosaic-bridge" );
177 add_string( CFG_PREFIX "id", "Id", NULL, ID_TEXT, ID_LONGTEXT,
179 add_integer( CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
180 WIDTH_LONGTEXT, true );
181 add_integer( CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
182 HEIGHT_LONGTEXT, true );
183 add_string( CFG_PREFIX "sar", "1:1", NULL, RATIO_TEXT,
184 RATIO_LONGTEXT, false );
185 add_string( CFG_PREFIX "chroma", 0, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
188 add_module_list( CFG_PREFIX "vfilter", "video filter2",
189 NULL, NULL, VFILTER_TEXT, VFILTER_LONGTEXT, false );
191 add_integer_with_range( CFG_PREFIX "alpha", 255, 0, 255, NULL,
192 ALPHA_TEXT, ALPHA_LONGTEXT, false );
193 add_integer( CFG_PREFIX "x", -1, NULL, X_TEXT, X_LONGTEXT, false );
194 add_integer( CFG_PREFIX "y", -1, NULL, Y_TEXT, Y_LONGTEXT, false );
196 set_callbacks( Open, Close );
199 static const char *const ppsz_sout_options[] = {
200 "id", "width", "height", "sar", "vfilter", "chroma", "alpha", "x", "y", NULL
203 /*****************************************************************************
205 *****************************************************************************/
206 static int Open( vlc_object_t *p_this )
208 sout_stream_t *p_stream = (sout_stream_t *)p_this;
209 sout_stream_sys_t *p_sys;
210 vlc_object_t *p_libvlc = VLC_OBJECT( p_this->p_libvlc );
213 config_ChainParse( p_stream, CFG_PREFIX, ppsz_sout_options,
216 p_sys = malloc( sizeof( sout_stream_sys_t ) );
222 p_stream->p_sys = p_sys;
223 p_sys->b_inited = false;
225 var_Create( p_libvlc, "mosaic-lock", VLC_VAR_MUTEX );
226 var_Get( p_libvlc, "mosaic-lock", &val );
227 p_sys->p_lock = val.p_address;
229 var_Get( p_stream, CFG_PREFIX "id", &val );
230 p_sys->psz_id = val.psz_string;
233 var_CreateGetIntegerCommand( p_stream, CFG_PREFIX "height" );
234 var_AddCallback( p_stream, CFG_PREFIX "height", HeightCallback, p_stream );
237 var_CreateGetIntegerCommand( p_stream, CFG_PREFIX "width" );
238 var_AddCallback( p_stream, CFG_PREFIX "width", WidthCallback, p_stream );
240 var_Get( p_stream, CFG_PREFIX "sar", &val );
241 if ( val.psz_string )
243 char *psz_parser = strchr( val.psz_string, ':' );
247 *psz_parser++ = '\0';
248 p_sys->i_sar_num = atoi( val.psz_string );
249 p_sys->i_sar_den = atoi( psz_parser );
250 vlc_ureduce( &p_sys->i_sar_num, &p_sys->i_sar_den,
251 p_sys->i_sar_num, p_sys->i_sar_den, 0 );
255 msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string );
256 p_sys->i_sar_num = p_sys->i_sar_den = 1;
259 free( val.psz_string );
263 p_sys->i_sar_num = p_sys->i_sar_den = 1;
267 val.psz_string = var_GetNonEmptyString( p_stream, CFG_PREFIX "chroma" );
268 if( val.psz_string && strlen( val.psz_string ) >= 4 )
270 memcpy( &p_sys->i_chroma, val.psz_string, 4 );
271 msg_Dbg( p_stream, "Forcing image chroma to 0x%.8x (%4.4s)", p_sys->i_chroma, (char*)&p_sys->i_chroma );
274 #define INT_COMMAND( a ) \
275 var_Create( p_stream, CFG_PREFIX #a, \
276 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND ); \
277 var_AddCallback( p_stream, CFG_PREFIX #a, a ## Callback, \
283 p_stream->pf_add = Add;
284 p_stream->pf_del = Del;
285 p_stream->pf_send = Send;
287 p_stream->p_sout->i_out_pace_nocontrol++;
292 /*****************************************************************************
294 *****************************************************************************/
295 static void Close( vlc_object_t * p_this )
297 sout_stream_t *p_stream = (sout_stream_t*)p_this;
298 sout_stream_sys_t *p_sys = p_stream->p_sys;
300 p_stream->p_sout->i_out_pace_nocontrol--;
302 free( p_sys->psz_id );
307 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
309 sout_stream_sys_t *p_sys = p_stream->p_sys;
312 char *psz_chain, *psz_parser;
315 if ( p_sys->b_inited )
320 /* Create decoder object */
321 p_sys->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
322 if( !p_sys->p_decoder )
324 vlc_object_attach( p_sys->p_decoder, p_stream );
325 p_sys->p_decoder->p_module = NULL;
326 p_sys->p_decoder->fmt_in = *p_fmt;
327 p_sys->p_decoder->b_pace_control = false;
328 p_sys->p_decoder->fmt_out = p_sys->p_decoder->fmt_in;
329 p_sys->p_decoder->fmt_out.i_extra = 0;
330 p_sys->p_decoder->fmt_out.p_extra = 0;
331 p_sys->p_decoder->pf_decode_video = 0;
332 p_sys->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
333 p_sys->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
334 p_sys->p_decoder->pf_picture_link = video_link_picture_decoder;
335 p_sys->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
336 p_sys->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
337 if( !p_sys->p_decoder->p_owner )
339 vlc_object_detach( p_sys->p_decoder );
340 vlc_object_release( p_sys->p_decoder );
344 for( i = 0; i < PICTURE_RING_SIZE; i++ )
345 p_sys->p_decoder->p_owner->pp_pics[i] = NULL;
346 p_sys->p_decoder->p_owner->video = p_fmt->video;
347 //p_sys->p_decoder->p_cfg = p_sys->p_video_cfg;
349 p_sys->p_decoder->p_module =
350 module_Need( p_sys->p_decoder, "decoder", "$codec", 0 );
352 if( !p_sys->p_decoder->p_module )
354 msg_Err( p_stream, "cannot find decoder" );
355 vlc_object_detach( p_sys->p_decoder );
356 vlc_object_release( p_sys->p_decoder );
360 p_sys->b_inited = true;
361 vlc_mutex_lock( p_sys->p_lock );
363 p_bridge = GetBridge( p_stream );
364 if ( p_bridge == NULL )
366 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
369 p_bridge = malloc( sizeof( bridge_t ) );
371 var_Create( p_libvlc, "mosaic-struct", VLC_VAR_ADDRESS );
372 val.p_address = p_bridge;
373 var_Set( p_libvlc, "mosaic-struct", val );
375 p_bridge->i_es_num = 0;
376 p_bridge->pp_es = NULL;
379 for ( i = 0; i < p_bridge->i_es_num; i++ )
381 if ( p_bridge->pp_es[i]->b_empty )
385 if ( i == p_bridge->i_es_num )
387 p_bridge->pp_es = realloc( p_bridge->pp_es,
388 (p_bridge->i_es_num + 1)
389 * sizeof(bridged_es_t *) );
390 p_bridge->i_es_num++;
391 p_bridge->pp_es[i] = malloc( sizeof(bridged_es_t) );
394 p_sys->p_es = p_es = p_bridge->pp_es[i];
396 p_es->i_alpha = var_GetInteger( p_stream, CFG_PREFIX "alpha" );
397 p_es->i_x = var_GetInteger( p_stream, CFG_PREFIX "x" );
398 p_es->i_y = var_GetInteger( p_stream, CFG_PREFIX "y" );
400 //p_es->fmt = *p_fmt;
401 p_es->psz_id = p_sys->psz_id;
402 p_es->p_picture = NULL;
403 p_es->pp_last = &p_es->p_picture;
404 p_es->b_empty = false;
406 vlc_mutex_unlock( p_sys->p_lock );
408 if ( p_sys->i_height || p_sys->i_width )
410 p_sys->p_image = image_HandlerCreate( p_stream );
414 p_sys->p_image = NULL;
417 msg_Dbg( p_stream, "mosaic bridge id=%s pos=%d", p_es->psz_id, i );
419 /* Create user specified video filters */
420 psz_chain = var_GetNonEmptyString( p_stream, CFG_PREFIX "vfilter" );
421 msg_Dbg( p_stream, "psz_chain: %s\n", psz_chain );
423 config_chain_t *p_cfg;
424 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
426 msg_Dbg( p_stream, " - %s\n", p_cfg->psz_value );
429 p_sys->i_vfilters = 0;
430 p_sys->pp_vfilters = NULL;
431 psz_parser = psz_chain;
432 while( psz_parser && *psz_parser )
434 config_chain_t *p_cfg;
436 filter_t **pp_vfilter;
437 psz_parser = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
440 (filter_t **)realloc( p_sys->pp_vfilters,
441 p_sys->i_vfilters * sizeof(filter_t *) );
442 pp_vfilter = p_sys->pp_vfilters+(p_sys->i_vfilters - 1);
443 *pp_vfilter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
444 vlc_object_attach( *pp_vfilter, p_stream );
445 (*pp_vfilter)->pf_vout_buffer_new = video_new_buffer_filter;
446 (*pp_vfilter)->pf_vout_buffer_del = video_del_buffer_filter;
447 (*pp_vfilter)->fmt_in = p_sys->p_decoder->fmt_out;
448 if( p_sys->i_chroma )
449 (*pp_vfilter)->fmt_in.video.i_chroma = p_sys->i_chroma;
450 (*pp_vfilter)->fmt_out = (*pp_vfilter)->fmt_in;
451 (*pp_vfilter)->p_cfg = p_cfg;
452 (*pp_vfilter)->p_module =
453 module_Need( *pp_vfilter, "video filter2", psz_name, true );
454 if( (*pp_vfilter)->p_module )
457 (*pp_vfilter)->p_owner = (filter_owner_sys_t *)
458 p_sys->p_decoder->p_owner;
459 msg_Err( p_stream, "Added video filter %s to the chain",
464 /* Crap ... we didn't find a filter */
466 "no video filter matching name \"%s\" found",
468 vlc_object_detach( *pp_vfilter );
469 vlc_object_release( *pp_vfilter );
475 return (sout_stream_id_t *)p_sys;
478 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
481 sout_stream_sys_t *p_sys = p_stream->p_sys;
484 bool b_last_es = true;
485 filter_t **pp_vfilter, **pp_end;
488 if ( !p_sys->b_inited )
493 if ( p_sys->p_decoder != NULL )
495 decoder_owner_sys_t *p_owner = p_sys->p_decoder->p_owner;
497 if( p_sys->p_decoder->p_module )
498 module_Unneed( p_sys->p_decoder, p_sys->p_decoder->p_module );
499 vlc_object_detach( p_sys->p_decoder );
500 vlc_object_release( p_sys->p_decoder );
502 picture_t **pp_ring = p_owner->pp_pics;
503 for( i = 0; i < PICTURE_RING_SIZE; i++ )
505 if ( pp_ring[i] != NULL )
507 free( pp_ring[i]->p_data_orig );
508 free( pp_ring[i]->p_sys );
515 /* Destroy user specified video filters */
516 pp_vfilter = p_sys->pp_vfilters;
517 pp_end = pp_vfilter + p_sys->i_vfilters;
518 for( ; pp_vfilter < pp_end; pp_vfilter++ )
520 vlc_object_detach( *pp_vfilter );
521 if( (*pp_vfilter)->p_module )
522 module_Unneed( *pp_vfilter, (*pp_vfilter)->p_module );
523 vlc_object_release( *pp_vfilter );
525 free( p_sys->pp_vfilters );
527 vlc_mutex_lock( p_sys->p_lock );
529 p_bridge = GetBridge( p_stream );
532 p_es->b_empty = true;
533 while ( p_es->p_picture )
535 picture_t *p_next = p_es->p_picture->p_next;
536 p_es->p_picture->pf_release( p_es->p_picture );
537 p_es->p_picture = p_next;
540 for ( i = 0; i < p_bridge->i_es_num; i++ )
542 if ( !p_bridge->pp_es[i]->b_empty )
551 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
552 for ( i = 0; i < p_bridge->i_es_num; i++ )
553 free( p_bridge->pp_es[i] );
554 free( p_bridge->pp_es );
556 var_Destroy( p_libvlc, "mosaic-struct" );
559 vlc_mutex_unlock( p_sys->p_lock );
561 if ( p_sys->p_image )
563 image_HandlerDelete( p_sys->p_image );
566 p_sys->b_inited = false;
571 /*****************************************************************************
572 * PushPicture : push a picture in the mosaic-struct structure
573 *****************************************************************************/
574 static void PushPicture( sout_stream_t *p_stream, picture_t *p_picture )
576 sout_stream_sys_t *p_sys = p_stream->p_sys;
577 bridged_es_t *p_es = p_sys->p_es;
579 vlc_mutex_lock( p_sys->p_lock );
581 *p_es->pp_last = p_picture;
582 p_picture->p_next = NULL;
583 p_es->pp_last = &p_picture->p_next;
585 vlc_mutex_unlock( p_sys->p_lock );
588 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
591 sout_stream_sys_t *p_sys = p_stream->p_sys;
594 if ( (sout_stream_sys_t *)id != p_sys )
596 block_ChainRelease( p_buffer );
600 while ( (p_pic = p_sys->p_decoder->pf_decode_video( p_sys->p_decoder,
603 picture_t *p_new_pic;
605 if( p_sys->i_height || p_sys->i_width )
607 video_format_t fmt_out, fmt_in;
609 memset( &fmt_in, 0, sizeof(video_format_t) );
610 memset( &fmt_out, 0, sizeof(video_format_t) );
611 fmt_in = p_sys->p_decoder->fmt_out.video;
614 if( p_sys->i_chroma )
615 fmt_out.i_chroma = p_sys->i_chroma;
617 fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
619 if ( !p_sys->i_height )
621 fmt_out.i_width = p_sys->i_width;
622 fmt_out.i_height = (p_sys->i_width * VOUT_ASPECT_FACTOR
623 * p_sys->i_sar_num / p_sys->i_sar_den / fmt_in.i_aspect)
626 else if ( !p_sys->i_width )
628 fmt_out.i_height = p_sys->i_height;
629 fmt_out.i_width = (p_sys->i_height * fmt_in.i_aspect
630 * p_sys->i_sar_den / p_sys->i_sar_num / VOUT_ASPECT_FACTOR)
635 fmt_out.i_width = p_sys->i_width;
636 fmt_out.i_height = p_sys->i_height;
638 fmt_out.i_visible_width = fmt_out.i_width;
639 fmt_out.i_visible_height = fmt_out.i_height;
641 p_new_pic = image_Convert( p_sys->p_image,
642 p_pic, &fmt_in, &fmt_out );
643 if ( p_new_pic == NULL )
645 msg_Err( p_stream, "image conversion failed" );
646 p_pic->pf_release( p_pic );
652 /* TODO: chroma conversion if needed */
654 p_new_pic = (picture_t*)malloc( sizeof(picture_t) );
655 if( p_new_pic == NULL )
657 msg_Err( p_stream, "image conversion failed" );
661 if( vout_AllocatePicture(
662 p_stream, p_new_pic, p_pic->format.i_chroma,
663 p_pic->format.i_width, p_pic->format.i_height,
664 p_sys->p_decoder->fmt_out.video.i_aspect )
667 p_pic->pf_release( p_pic );
669 msg_Err( p_stream, "image allocation failed" );
673 vout_CopyPicture( p_stream, p_new_pic, p_pic );
676 p_new_pic->i_refcount = 1;
677 p_new_pic->i_status = DESTROYED_PICTURE;
678 p_new_pic->i_type = DIRECT_PICTURE;
679 p_new_pic->p_sys = (picture_sys_t *)p_new_pic->pf_release;
680 p_new_pic->pf_release = ReleasePicture;
681 p_new_pic->date = p_pic->date;
682 p_pic->pf_release( p_pic );
684 if( p_sys->pp_vfilters )
686 /* Apply user specified video filters */
687 filter_t **pp_vfilter = p_sys->pp_vfilters;
688 filter_t **pp_end = pp_vfilter + p_sys->i_vfilters;
689 for( ; pp_vfilter < pp_end; pp_vfilter++ )
691 (*pp_vfilter)->fmt_in.i_codec = p_new_pic->format.i_chroma;
692 (*pp_vfilter)->fmt_out.i_codec = p_new_pic->format.i_chroma;
693 (*pp_vfilter)->fmt_in.video = p_new_pic->format;
694 (*pp_vfilter)->fmt_out.video = p_new_pic->format;
695 p_new_pic = (*pp_vfilter)->pf_video_filter( *pp_vfilter,
699 msg_Err( p_stream, "video filter failed" );
703 if( !p_new_pic ) continue;
706 PushPicture( p_stream, p_new_pic );
714 vlc_object_t *p_owner;
718 static void video_release_buffer_decoder( picture_t *p_pic )
720 assert( p_pic && p_pic->p_sys );
722 if( --p_pic->i_refcount > 0 )
725 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
728 static void video_release_buffer_filter( picture_t *p_pic )
732 if( --p_pic->i_refcount > 0 )
735 assert( p_pic->p_sys );
737 video_del_buffer_filter( (filter_t *)p_pic->p_sys->p_owner, p_pic );
740 inline static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
742 return video_new_buffer( VLC_OBJECT( p_dec ),
743 (decoder_owner_sys_t *)p_dec->p_owner,
745 video_release_buffer_decoder );
748 inline static picture_t *video_new_buffer_filter( filter_t *p_filter )
750 return video_new_buffer( VLC_OBJECT( p_filter ),
751 (decoder_owner_sys_t *)p_filter->p_owner,
753 video_release_buffer_filter );
756 static picture_t *video_new_buffer( vlc_object_t *p_this,
757 decoder_owner_sys_t *p_sys,
758 es_format_t *fmt_out,
759 void ( *pf_release )( picture_t * ) )
761 picture_t **pp_ring = p_sys->pp_pics;
765 if( fmt_out->video.i_width != p_sys->video.i_width ||
766 fmt_out->video.i_height != p_sys->video.i_height ||
767 fmt_out->video.i_chroma != p_sys->video.i_chroma ||
768 fmt_out->video.i_aspect != p_sys->video.i_aspect )
770 if( !fmt_out->video.i_sar_num ||
771 !fmt_out->video.i_sar_den )
773 fmt_out->video.i_sar_num =
774 fmt_out->video.i_aspect * fmt_out->video.i_height;
776 fmt_out->video.i_sar_den =
777 VOUT_ASPECT_FACTOR * fmt_out->video.i_width;
780 vlc_ureduce( &fmt_out->video.i_sar_num,
781 &fmt_out->video.i_sar_den,
782 fmt_out->video.i_sar_num,
783 fmt_out->video.i_sar_den, 0 );
785 if( !fmt_out->video.i_visible_width ||
786 !fmt_out->video.i_visible_height )
788 fmt_out->video.i_visible_width = fmt_out->video.i_width;
789 fmt_out->video.i_visible_height = fmt_out->video.i_height;
792 fmt_out->video.i_chroma = fmt_out->i_codec;
793 p_sys->video = fmt_out->video;
795 for( i = 0; i < PICTURE_RING_SIZE; i++ )
797 if ( pp_ring[i] != NULL )
799 if ( pp_ring[i]->i_status == DESTROYED_PICTURE )
801 free( pp_ring[i]->p_data_orig );
802 free( pp_ring[i]->p_sys );
807 pp_ring[i]->p_sys->b_dead = true;
814 /* Find an empty space in the picture ring buffer */
815 for( i = 0; i < PICTURE_RING_SIZE; i++ )
817 if( pp_ring[i] != NULL && pp_ring[i]->i_status == DESTROYED_PICTURE )
819 pp_ring[i]->i_status = RESERVED_PICTURE;
820 pp_ring[i]->i_refcount = 1;
824 for( i = 0; i < PICTURE_RING_SIZE; i++ )
826 if( pp_ring[i] == NULL ) break;
829 if( i == PICTURE_RING_SIZE )
831 msg_Err( p_this, "decoder/filter is leaking pictures, "
832 "resetting its ring buffer" );
834 for( i = 0; i < PICTURE_RING_SIZE; i++ )
836 pp_ring[i]->p_sys->b_dead = true;
837 pp_ring[i]->pf_release( pp_ring[i] );
844 p_pic = malloc( sizeof(picture_t) );
845 if( !p_pic ) return NULL;
846 fmt_out->video.i_chroma = fmt_out->i_codec;
847 if( vout_AllocatePicture( p_this, p_pic,
848 fmt_out->video.i_chroma,
849 fmt_out->video.i_width,
850 fmt_out->video.i_height,
851 fmt_out->video.i_aspect ) != VLC_SUCCESS )
857 if( !p_pic->i_planes )
863 p_pic->pf_release = pf_release;
864 p_pic->i_refcount = 1;
865 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
866 p_pic->p_sys->p_owner = p_this;
867 p_pic->p_sys->b_dead = false;
868 p_pic->i_status = RESERVED_PICTURE;
875 inline static void video_del_buffer_decoder( decoder_t *p_this,
879 video_del_buffer( p_pic );
882 inline static void video_del_buffer_filter( filter_t *p_this,
886 video_del_buffer( p_pic );
889 static void video_del_buffer( picture_t *p_pic )
891 p_pic->i_refcount = 0;
892 p_pic->i_status = DESTROYED_PICTURE;
893 if ( p_pic->p_sys->b_dead )
895 free( p_pic->p_data_orig );
896 free( p_pic->p_sys );
901 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
907 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
910 video_release_buffer_decoder( p_pic );
914 /**********************************************************************
915 * Callback to update (some) params on the fly
916 **********************************************************************/
917 static int HeightCallback( vlc_object_t *p_this, char const *psz_var,
918 vlc_value_t oldval, vlc_value_t newval,
921 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
922 sout_stream_t *p_stream = (sout_stream_t *)p_data;
923 sout_stream_sys_t *p_sys = p_stream->p_sys;
925 /* We create the handler before updating the value in p_sys
926 * so we don't have to worry about locking */
927 if( !p_sys->p_image && newval.i_int )
928 p_sys->p_image = image_HandlerCreate( p_stream );
929 p_sys->i_height = newval.i_int;
934 static int WidthCallback( vlc_object_t *p_this, char const *psz_var,
935 vlc_value_t oldval, vlc_value_t newval,
938 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
939 sout_stream_t *p_stream = (sout_stream_t *)p_data;
940 sout_stream_sys_t *p_sys = p_stream->p_sys;
942 /* We create the handler before updating the value in p_sys
943 * so we don't have to worry about locking */
944 if( !p_sys->p_image && newval.i_int )
945 p_sys->p_image = image_HandlerCreate( p_stream );
946 p_sys->i_width = newval.i_int;
951 static int alphaCallback( vlc_object_t *p_this, char const *psz_var,
952 vlc_value_t oldval, vlc_value_t newval,
955 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
956 sout_stream_t *p_stream = (sout_stream_t *)p_data;
957 sout_stream_sys_t *p_sys = p_stream->p_sys;
960 p_sys->p_es->i_alpha = newval.i_int;
965 static int xCallback( vlc_object_t *p_this, char const *psz_var,
966 vlc_value_t oldval, vlc_value_t newval,
969 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
970 sout_stream_t *p_stream = (sout_stream_t *)p_data;
971 sout_stream_sys_t *p_sys = p_stream->p_sys;
974 p_sys->p_es->i_x = newval.i_int;
979 static int yCallback( vlc_object_t *p_this, char const *psz_var,
980 vlc_value_t oldval, vlc_value_t newval,
983 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
984 sout_stream_t *p_stream = (sout_stream_t *)p_data;
985 sout_stream_sys_t *p_sys = p_stream->p_sys;
988 p_sys->p_es->i_y = newval.i_int;