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 */
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"
45 /*****************************************************************************
47 *****************************************************************************/
48 struct sout_stream_sys_t
54 image_handler_t *p_image; /* filter for resizing */
55 int i_height, i_width;
56 unsigned int i_sar_num, i_sar_den;
60 int i_chroma; /* force image format chroma */
62 filter_t **pp_vfilters;
66 #define PICTURE_RING_SIZE 4
67 struct decoder_owner_sys_t
69 picture_t *pp_pics[PICTURE_RING_SIZE];
71 /* Current format in use by the output */
75 typedef void (* pf_release_t)( picture_t * );
76 static void ReleasePicture( picture_t *p_pic )
80 if ( p_pic->i_refcount <= 0 )
82 if ( p_pic->p_sys != NULL )
84 pf_release_t pf_release = (pf_release_t)p_pic->p_sys;
92 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( _( "Mosaic bridge" ) );
173 set_description(_("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 *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 vlc_object_attach( p_sys->p_decoder, p_stream );
323 p_sys->p_decoder->p_module = NULL;
324 p_sys->p_decoder->fmt_in = *p_fmt;
325 p_sys->p_decoder->b_pace_control = false;
326 p_sys->p_decoder->fmt_out = p_sys->p_decoder->fmt_in;
327 p_sys->p_decoder->fmt_out.i_extra = 0;
328 p_sys->p_decoder->fmt_out.p_extra = 0;
329 p_sys->p_decoder->pf_decode_video = 0;
330 p_sys->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
331 p_sys->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
332 p_sys->p_decoder->pf_picture_link = video_link_picture_decoder;
333 p_sys->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
334 p_sys->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
335 for( i = 0; i < PICTURE_RING_SIZE; i++ )
336 p_sys->p_decoder->p_owner->pp_pics[i] = 0;
337 p_sys->p_decoder->p_owner->video = p_fmt->video;
338 //p_sys->p_decoder->p_cfg = p_sys->p_video_cfg;
340 p_sys->p_decoder->p_module =
341 module_Need( p_sys->p_decoder, "decoder", "$codec", 0 );
343 if( !p_sys->p_decoder->p_module )
345 msg_Err( p_stream, "cannot find decoder" );
346 vlc_object_detach( p_sys->p_decoder );
347 vlc_object_release( p_sys->p_decoder );
351 p_sys->b_inited = true;
352 vlc_mutex_lock( p_sys->p_lock );
354 p_bridge = GetBridge( p_stream );
355 if ( p_bridge == NULL )
357 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
360 p_bridge = malloc( sizeof( bridge_t ) );
362 var_Create( p_libvlc, "mosaic-struct", VLC_VAR_ADDRESS );
363 val.p_address = p_bridge;
364 var_Set( p_libvlc, "mosaic-struct", val );
366 p_bridge->i_es_num = 0;
367 p_bridge->pp_es = NULL;
370 for ( i = 0; i < p_bridge->i_es_num; i++ )
372 if ( p_bridge->pp_es[i]->b_empty )
376 if ( i == p_bridge->i_es_num )
378 p_bridge->pp_es = realloc( p_bridge->pp_es,
379 (p_bridge->i_es_num + 1)
380 * sizeof(bridged_es_t *) );
381 p_bridge->i_es_num++;
382 p_bridge->pp_es[i] = malloc( sizeof(bridged_es_t) );
385 p_sys->p_es = p_es = p_bridge->pp_es[i];
387 p_es->i_alpha = var_GetInteger( p_stream, CFG_PREFIX "alpha" );
388 p_es->i_x = var_GetInteger( p_stream, CFG_PREFIX "x" );
389 p_es->i_y = var_GetInteger( p_stream, CFG_PREFIX "y" );
391 //p_es->fmt = *p_fmt;
392 p_es->psz_id = p_sys->psz_id;
393 p_es->p_picture = NULL;
394 p_es->pp_last = &p_es->p_picture;
395 p_es->b_empty = false;
397 vlc_mutex_unlock( p_sys->p_lock );
399 if ( p_sys->i_height || p_sys->i_width )
401 p_sys->p_image = image_HandlerCreate( p_stream );
405 p_sys->p_image = NULL;
408 msg_Dbg( p_stream, "mosaic bridge id=%s pos=%d", p_es->psz_id, i );
410 /* Create user specified video filters */
411 psz_chain = var_GetNonEmptyString( p_stream, CFG_PREFIX "vfilter" );
412 msg_Dbg( p_stream, "psz_chain: %s\n", psz_chain );
414 config_chain_t *p_cfg;
415 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
417 msg_Dbg( p_stream, " - %s\n", p_cfg->psz_value );
420 p_sys->i_vfilters = 0;
421 p_sys->pp_vfilters = NULL;
422 psz_parser = psz_chain;
423 while( psz_parser && *psz_parser )
425 config_chain_t *p_cfg;
427 filter_t **pp_vfilter;
428 psz_parser = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
431 (filter_t **)realloc( p_sys->pp_vfilters,
432 p_sys->i_vfilters * sizeof(filter_t *) );
433 pp_vfilter = p_sys->pp_vfilters+(p_sys->i_vfilters - 1);
434 *pp_vfilter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
435 vlc_object_attach( *pp_vfilter, p_stream );
436 (*pp_vfilter)->pf_vout_buffer_new = video_new_buffer_filter;
437 (*pp_vfilter)->pf_vout_buffer_del = video_del_buffer_filter;
438 (*pp_vfilter)->fmt_in = p_sys->p_decoder->fmt_out;
439 if( p_sys->i_chroma )
440 (*pp_vfilter)->fmt_in.video.i_chroma = p_sys->i_chroma;
441 (*pp_vfilter)->fmt_out = (*pp_vfilter)->fmt_in;
442 (*pp_vfilter)->p_cfg = p_cfg;
443 (*pp_vfilter)->p_module =
444 module_Need( *pp_vfilter, "video filter2", psz_name, true );
445 if( (*pp_vfilter)->p_module )
448 (*pp_vfilter)->p_owner = (filter_owner_sys_t *)
449 p_sys->p_decoder->p_owner;
450 msg_Err( p_stream, "Added video filter %s to the chain",
455 /* Crap ... we didn't find a filter */
457 "no video filter matching name \"%s\" found",
459 vlc_object_detach( *pp_vfilter );
460 vlc_object_release( *pp_vfilter );
466 return (sout_stream_id_t *)p_sys;
469 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
472 sout_stream_sys_t *p_sys = p_stream->p_sys;
475 bool b_last_es = true;
476 filter_t **pp_vfilter, **pp_end;
479 if ( !p_sys->b_inited )
484 if ( p_sys->p_decoder != NULL )
486 decoder_owner_sys_t *p_owner = p_sys->p_decoder->p_owner;
488 if( p_sys->p_decoder->p_module )
489 module_Unneed( p_sys->p_decoder, p_sys->p_decoder->p_module );
490 vlc_object_detach( p_sys->p_decoder );
491 vlc_object_release( p_sys->p_decoder );
493 picture_t **pp_ring = p_owner->pp_pics;
494 for( i = 0; i < PICTURE_RING_SIZE; i++ )
496 if ( pp_ring[i] != NULL )
498 free( pp_ring[i]->p_data_orig );
499 free( pp_ring[i]->p_sys );
506 /* Destroy user specified video filters */
507 pp_vfilter = p_sys->pp_vfilters;
508 pp_end = pp_vfilter + p_sys->i_vfilters;
509 for( ; pp_vfilter < pp_end; pp_vfilter++ )
511 vlc_object_detach( *pp_vfilter );
512 if( (*pp_vfilter)->p_module )
513 module_Unneed( *pp_vfilter, (*pp_vfilter)->p_module );
514 vlc_object_release( *pp_vfilter );
516 free( p_sys->pp_vfilters );
518 vlc_mutex_lock( p_sys->p_lock );
520 p_bridge = GetBridge( p_stream );
523 p_es->b_empty = true;
524 while ( p_es->p_picture )
526 picture_t *p_next = p_es->p_picture->p_next;
527 p_es->p_picture->pf_release( p_es->p_picture );
528 p_es->p_picture = p_next;
531 for ( i = 0; i < p_bridge->i_es_num; i++ )
533 if ( !p_bridge->pp_es[i]->b_empty )
542 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
543 for ( i = 0; i < p_bridge->i_es_num; i++ )
544 free( p_bridge->pp_es[i] );
545 free( p_bridge->pp_es );
547 var_Destroy( p_libvlc, "mosaic-struct" );
550 vlc_mutex_unlock( p_sys->p_lock );
552 if ( p_sys->p_image )
554 image_HandlerDelete( p_sys->p_image );
557 p_sys->b_inited = false;
562 /*****************************************************************************
563 * PushPicture : push a picture in the mosaic-struct structure
564 *****************************************************************************/
565 static void PushPicture( sout_stream_t *p_stream, picture_t *p_picture )
567 sout_stream_sys_t *p_sys = p_stream->p_sys;
568 bridged_es_t *p_es = p_sys->p_es;
570 vlc_mutex_lock( p_sys->p_lock );
572 *p_es->pp_last = p_picture;
573 p_picture->p_next = NULL;
574 p_es->pp_last = &p_picture->p_next;
576 vlc_mutex_unlock( p_sys->p_lock );
579 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
582 sout_stream_sys_t *p_sys = p_stream->p_sys;
585 if ( (sout_stream_sys_t *)id != p_sys )
587 block_ChainRelease( p_buffer );
591 while ( (p_pic = p_sys->p_decoder->pf_decode_video( p_sys->p_decoder,
594 picture_t *p_new_pic;
596 if( p_sys->i_height || p_sys->i_width )
598 video_format_t fmt_out, fmt_in;
600 memset( &fmt_in, 0, sizeof(video_format_t) );
601 memset( &fmt_out, 0, sizeof(video_format_t) );
602 fmt_in = p_sys->p_decoder->fmt_out.video;
605 if( p_sys->i_chroma )
606 fmt_out.i_chroma = p_sys->i_chroma;
608 fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
610 if ( !p_sys->i_height )
612 fmt_out.i_width = p_sys->i_width;
613 fmt_out.i_height = (p_sys->i_width * VOUT_ASPECT_FACTOR
614 * p_sys->i_sar_num / p_sys->i_sar_den / fmt_in.i_aspect)
617 else if ( !p_sys->i_width )
619 fmt_out.i_height = p_sys->i_height;
620 fmt_out.i_width = (p_sys->i_height * fmt_in.i_aspect
621 * p_sys->i_sar_den / p_sys->i_sar_num / VOUT_ASPECT_FACTOR)
626 fmt_out.i_width = p_sys->i_width;
627 fmt_out.i_height = p_sys->i_height;
629 fmt_out.i_visible_width = fmt_out.i_width;
630 fmt_out.i_visible_height = fmt_out.i_height;
632 p_new_pic = image_Convert( p_sys->p_image,
633 p_pic, &fmt_in, &fmt_out );
634 if ( p_new_pic == NULL )
636 msg_Err( p_stream, "image conversion failed" );
642 /* TODO: chroma conversion if needed */
644 p_new_pic = (picture_t*)malloc( sizeof(picture_t) );
645 if( p_new_pic == NULL )
647 msg_Err( p_stream, "image conversion failed" );
651 if( vout_AllocatePicture(
652 p_stream, p_new_pic, p_pic->format.i_chroma,
653 p_pic->format.i_width, p_pic->format.i_height,
654 p_sys->p_decoder->fmt_out.video.i_aspect )
658 msg_Err( p_stream, "image allocation failed" );
662 vout_CopyPicture( p_stream, p_new_pic, p_pic );
665 p_new_pic->i_refcount = 1;
666 p_new_pic->i_status = DESTROYED_PICTURE;
667 p_new_pic->i_type = DIRECT_PICTURE;
668 p_new_pic->p_sys = (picture_sys_t *)p_new_pic->pf_release;
669 p_new_pic->pf_release = ReleasePicture;
670 p_new_pic->date = p_pic->date;
671 p_pic->pf_release( p_pic );
673 if( p_sys->pp_vfilters )
675 /* Apply user specified video filters */
676 filter_t **pp_vfilter = p_sys->pp_vfilters;
677 filter_t **pp_end = pp_vfilter + p_sys->i_vfilters;
678 for( ; pp_vfilter < pp_end; pp_vfilter++ )
680 (*pp_vfilter)->fmt_in.i_codec = p_new_pic->format.i_chroma;
681 (*pp_vfilter)->fmt_out.i_codec = p_new_pic->format.i_chroma;
682 (*pp_vfilter)->fmt_in.video = p_new_pic->format;
683 (*pp_vfilter)->fmt_out.video = p_new_pic->format;
684 p_new_pic = (*pp_vfilter)->pf_video_filter( *pp_vfilter,
688 msg_Err( p_stream, "video filter failed" );
692 if( !p_new_pic ) continue;
695 PushPicture( p_stream, p_new_pic );
703 vlc_object_t *p_owner;
707 static void video_release_buffer_decoder( picture_t *p_pic )
709 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
711 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
713 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
716 static void video_release_buffer_filter( picture_t *p_pic )
718 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
720 video_del_buffer_filter( (filter_t *)p_pic->p_sys->p_owner, p_pic );
722 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
725 inline static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
727 return video_new_buffer( VLC_OBJECT( p_dec ),
728 (decoder_owner_sys_t *)p_dec->p_owner,
730 video_release_buffer_decoder );
733 inline static picture_t *video_new_buffer_filter( filter_t *p_filter )
735 return video_new_buffer( VLC_OBJECT( p_filter ),
736 (decoder_owner_sys_t *)p_filter->p_owner,
738 video_release_buffer_filter );
741 static picture_t *video_new_buffer( vlc_object_t *p_this,
742 decoder_owner_sys_t *p_sys,
743 es_format_t *fmt_out,
744 void ( *pf_release )( picture_t * ) )
746 picture_t **pp_ring = p_sys->pp_pics;
750 if( fmt_out->video.i_width != p_sys->video.i_width ||
751 fmt_out->video.i_height != p_sys->video.i_height ||
752 fmt_out->video.i_chroma != p_sys->video.i_chroma ||
753 fmt_out->video.i_aspect != p_sys->video.i_aspect )
755 if( !fmt_out->video.i_sar_num ||
756 !fmt_out->video.i_sar_den )
758 fmt_out->video.i_sar_num =
759 fmt_out->video.i_aspect * fmt_out->video.i_height;
761 fmt_out->video.i_sar_den =
762 VOUT_ASPECT_FACTOR * fmt_out->video.i_width;
765 vlc_ureduce( &fmt_out->video.i_sar_num,
766 &fmt_out->video.i_sar_den,
767 fmt_out->video.i_sar_num,
768 fmt_out->video.i_sar_den, 0 );
770 if( !fmt_out->video.i_visible_width ||
771 !fmt_out->video.i_visible_height )
773 fmt_out->video.i_visible_width = fmt_out->video.i_width;
774 fmt_out->video.i_visible_height = fmt_out->video.i_height;
777 fmt_out->video.i_chroma = fmt_out->i_codec;
778 p_sys->video = fmt_out->video;
780 for( i = 0; i < PICTURE_RING_SIZE; i++ )
782 if ( pp_ring[i] != NULL )
784 if ( pp_ring[i]->i_status == DESTROYED_PICTURE )
786 free( pp_ring[i]->p_data_orig );
787 free( pp_ring[i]->p_sys );
792 pp_ring[i]->p_sys->b_dead = true;
799 /* Find an empty space in the picture ring buffer */
800 for( i = 0; i < PICTURE_RING_SIZE; i++ )
802 if( pp_ring[i] != NULL && pp_ring[i]->i_status == DESTROYED_PICTURE )
804 pp_ring[i]->i_status = RESERVED_PICTURE;
808 for( i = 0; i < PICTURE_RING_SIZE; i++ )
810 if( pp_ring[i] == NULL ) break;
813 if( i == PICTURE_RING_SIZE )
815 msg_Err( p_this, "decoder/filter is leaking pictures, "
816 "resetting its ring buffer" );
818 for( i = 0; i < PICTURE_RING_SIZE; i++ )
820 pp_ring[i]->pf_release( pp_ring[i] );
826 p_pic = malloc( sizeof(picture_t) );
827 if( !p_pic ) return NULL;
828 fmt_out->video.i_chroma = fmt_out->i_codec;
829 vout_AllocatePicture( p_this, p_pic,
830 fmt_out->video.i_chroma,
831 fmt_out->video.i_width,
832 fmt_out->video.i_height,
833 fmt_out->video.i_aspect );
835 if( !p_pic->i_planes )
841 p_pic->pf_release = pf_release;
842 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
843 p_pic->p_sys->p_owner = p_this;
844 p_pic->p_sys->b_dead = false;
845 p_pic->i_status = RESERVED_PICTURE;
852 inline static void video_del_buffer_decoder( decoder_t *p_this,
856 video_del_buffer( p_pic );
859 inline static void video_del_buffer_filter( filter_t *p_this,
863 video_del_buffer( p_pic );
866 static void video_del_buffer( picture_t *p_pic )
868 p_pic->i_refcount = 0;
869 p_pic->i_status = DESTROYED_PICTURE;
870 if ( p_pic->p_sys->b_dead )
872 free( p_pic->p_data_orig );
873 free( p_pic->p_sys );
878 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
884 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
887 video_release_buffer_decoder( p_pic );
891 /**********************************************************************
892 * Callback to update (some) params on the fly
893 **********************************************************************/
894 static int HeightCallback( vlc_object_t *p_this, char const *psz_var,
895 vlc_value_t oldval, vlc_value_t newval,
898 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
899 sout_stream_t *p_stream = (sout_stream_t *)p_data;
900 sout_stream_sys_t *p_sys = p_stream->p_sys;
902 /* We create the handler before updating the value in p_sys
903 * so we don't have to worry about locking */
904 if( !p_sys->p_image && newval.i_int )
905 p_sys->p_image = image_HandlerCreate( p_stream );
906 p_sys->i_height = newval.i_int;
911 static int WidthCallback( vlc_object_t *p_this, char const *psz_var,
912 vlc_value_t oldval, vlc_value_t newval,
915 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
916 sout_stream_t *p_stream = (sout_stream_t *)p_data;
917 sout_stream_sys_t *p_sys = p_stream->p_sys;
919 /* We create the handler before updating the value in p_sys
920 * so we don't have to worry about locking */
921 if( !p_sys->p_image && newval.i_int )
922 p_sys->p_image = image_HandlerCreate( p_stream );
923 p_sys->i_width = newval.i_int;
928 static int alphaCallback( vlc_object_t *p_this, char const *psz_var,
929 vlc_value_t oldval, vlc_value_t newval,
932 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
933 sout_stream_t *p_stream = (sout_stream_t *)p_data;
934 sout_stream_sys_t *p_sys = p_stream->p_sys;
937 p_sys->p_es->i_alpha = newval.i_int;
942 static int xCallback( vlc_object_t *p_this, char const *psz_var,
943 vlc_value_t oldval, vlc_value_t newval,
946 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
947 sout_stream_t *p_stream = (sout_stream_t *)p_data;
948 sout_stream_sys_t *p_sys = p_stream->p_sys;
951 p_sys->p_es->i_x = newval.i_int;
956 static int yCallback( vlc_object_t *p_this, char const *psz_var,
957 vlc_value_t oldval, vlc_value_t newval,
960 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
961 sout_stream_t *p_stream = (sout_stream_t *)p_data;
962 sout_stream_sys_t *p_sys = p_stream->p_sys;
965 p_sys->p_es->i_y = newval.i_int;