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 */
36 #include <vlc_block.h>
37 #include <vlc_codec.h>
39 #include <vlc_image.h>
40 #include <vlc_filter.h>
42 #include "../video_filter/mosaic.h"
44 /*****************************************************************************
46 *****************************************************************************/
47 struct sout_stream_sys_t
53 image_handler_t *p_image; /* filter for resizing */
54 int i_height, i_width;
55 unsigned int i_sar_num, i_sar_den;
59 int i_chroma; /* force image format chroma */
61 filter_t **pp_vfilters;
65 #define PICTURE_RING_SIZE 4
66 struct decoder_owner_sys_t
68 picture_t *pp_pics[PICTURE_RING_SIZE];
70 /* Current format in use by the output */
74 typedef void (* pf_release_t)( picture_t * );
75 static void ReleasePicture( picture_t *p_pic )
79 if ( p_pic->i_refcount <= 0 )
81 if ( p_pic->p_sys != NULL )
83 pf_release_t pf_release = (pf_release_t)p_pic->p_sys;
91 free( p_pic->p_data_orig );
98 /*****************************************************************************
100 *****************************************************************************/
101 static int Open ( vlc_object_t * );
102 static void Close ( vlc_object_t * );
103 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
104 static int Del ( sout_stream_t *, sout_stream_id_t * );
105 static int Send( sout_stream_t *, sout_stream_id_t *, block_t * );
107 inline static void video_del_buffer_decoder( decoder_t *, picture_t * );
108 inline static void video_del_buffer_filter( filter_t *, picture_t * );
109 static void video_del_buffer( picture_t * );
111 inline static picture_t *video_new_buffer_decoder( decoder_t * );
112 inline static picture_t *video_new_buffer_filter( filter_t * );
113 static picture_t *video_new_buffer( vlc_object_t *, decoder_owner_sys_t *,
114 es_format_t *, void (*)( picture_t * ) );
116 static void video_link_picture_decoder( decoder_t *, picture_t * );
117 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
119 static int HeightCallback( vlc_object_t *, char const *,
120 vlc_value_t, vlc_value_t, void * );
121 static int WidthCallback( vlc_object_t *, char const *,
122 vlc_value_t, vlc_value_t, void * );
123 static int alphaCallback( vlc_object_t *, char const *,
124 vlc_value_t, vlc_value_t, void * );
125 static int xCallback( vlc_object_t *, char const *,
126 vlc_value_t, vlc_value_t, void * );
127 static int yCallback( vlc_object_t *, char const *,
128 vlc_value_t, vlc_value_t, void * );
130 /*****************************************************************************
132 *****************************************************************************/
133 #define ID_TEXT N_("ID")
134 #define ID_LONGTEXT N_( \
135 "Specify an identifier string for this subpicture" )
137 #define WIDTH_TEXT N_("Video width")
138 #define WIDTH_LONGTEXT N_( \
139 "Output video width." )
140 #define HEIGHT_TEXT N_("Video height")
141 #define HEIGHT_LONGTEXT N_( \
142 "Output video height." )
143 #define RATIO_TEXT N_("Sample aspect ratio")
144 #define RATIO_LONGTEXT N_( \
145 "Sample aspect ratio of the destination (1:1, 3:4, 2:3)." )
147 #define VFILTER_TEXT N_("Video filter")
148 #define VFILTER_LONGTEXT N_( \
149 "Video filters will be applied to the video stream." )
151 #define CHROMA_TEXT N_("Image chroma")
152 #define CHROMA_LONGTEXT N_( \
153 "Force the use of a specific chroma. Use YUVA if you're planning " \
154 "to use the Alphamask or Bluescreen video filter." )
156 #define ALPHA_TEXT N_("Transparency")
157 #define ALPHA_LONGTEXT N_( \
158 "Transparency of the mosaic picture." )
160 #define X_TEXT N_("X offset")
161 #define X_LONGTEXT N_( \
162 "X coordinate of the upper left corner in the mosaic if non negative." )
164 #define Y_TEXT N_("Y offset")
165 #define Y_LONGTEXT N_( \
166 "Y coordinate of the upper left corner in the mosaic if non negative." )
168 #define CFG_PREFIX "sout-mosaic-bridge-"
171 set_shortname( _( "Mosaic bridge" ) );
172 set_description(_("Mosaic bridge stream output") );
173 set_capability( "sout stream", 0 );
174 add_shortcut( "mosaic-bridge" );
176 add_string( CFG_PREFIX "id", "Id", NULL, ID_TEXT, ID_LONGTEXT,
178 add_integer( CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
179 WIDTH_LONGTEXT, true );
180 add_integer( CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
181 HEIGHT_LONGTEXT, true );
182 add_string( CFG_PREFIX "sar", "1:1", NULL, RATIO_TEXT,
183 RATIO_LONGTEXT, false );
184 add_string( CFG_PREFIX "chroma", 0, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
187 add_module_list( CFG_PREFIX "vfilter", "video filter2",
188 NULL, NULL, VFILTER_TEXT, VFILTER_LONGTEXT, false );
190 add_integer_with_range( CFG_PREFIX "alpha", 255, 0, 255, NULL,
191 ALPHA_TEXT, ALPHA_LONGTEXT, false );
192 add_integer( CFG_PREFIX "x", -1, NULL, X_TEXT, X_LONGTEXT, false );
193 add_integer( CFG_PREFIX "y", -1, NULL, Y_TEXT, Y_LONGTEXT, false );
195 set_callbacks( Open, Close );
198 static const char *ppsz_sout_options[] = {
199 "id", "width", "height", "sar", "vfilter", "chroma", "alpha", "x", "y", NULL
202 /*****************************************************************************
204 *****************************************************************************/
205 static int Open( vlc_object_t *p_this )
207 sout_stream_t *p_stream = (sout_stream_t *)p_this;
208 sout_stream_sys_t *p_sys;
209 vlc_object_t *p_libvlc = VLC_OBJECT( p_this->p_libvlc );
212 config_ChainParse( p_stream, CFG_PREFIX, ppsz_sout_options,
215 p_sys = malloc( sizeof( sout_stream_sys_t ) );
221 p_stream->p_sys = p_sys;
222 p_sys->b_inited = false;
224 var_Create( p_libvlc, "mosaic-lock", VLC_VAR_MUTEX );
225 var_Get( p_libvlc, "mosaic-lock", &val );
226 p_sys->p_lock = val.p_address;
228 var_Get( p_stream, CFG_PREFIX "id", &val );
229 p_sys->psz_id = val.psz_string;
232 var_CreateGetIntegerCommand( p_stream, CFG_PREFIX "height" );
233 var_AddCallback( p_stream, CFG_PREFIX "height", HeightCallback, p_stream );
236 var_CreateGetIntegerCommand( p_stream, CFG_PREFIX "width" );
237 var_AddCallback( p_stream, CFG_PREFIX "width", WidthCallback, p_stream );
239 var_Get( p_stream, CFG_PREFIX "sar", &val );
240 if ( val.psz_string )
242 char *psz_parser = strchr( val.psz_string, ':' );
246 *psz_parser++ = '\0';
247 p_sys->i_sar_num = atoi( val.psz_string );
248 p_sys->i_sar_den = atoi( psz_parser );
249 vlc_ureduce( &p_sys->i_sar_num, &p_sys->i_sar_den,
250 p_sys->i_sar_num, p_sys->i_sar_den, 0 );
254 msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string );
255 p_sys->i_sar_num = p_sys->i_sar_den = 1;
258 free( val.psz_string );
262 p_sys->i_sar_num = p_sys->i_sar_den = 1;
266 val.psz_string = var_GetNonEmptyString( p_stream, CFG_PREFIX "chroma" );
267 if( val.psz_string && strlen( val.psz_string ) >= 4 )
269 memcpy( &p_sys->i_chroma, val.psz_string, 4 );
270 msg_Dbg( p_stream, "Forcing image chroma to 0x%.8x (%4.4s)", p_sys->i_chroma, (char*)&p_sys->i_chroma );
273 #define INT_COMMAND( a ) \
274 var_Create( p_stream, CFG_PREFIX #a, \
275 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND ); \
276 var_AddCallback( p_stream, CFG_PREFIX #a, a ## Callback, \
282 p_stream->pf_add = Add;
283 p_stream->pf_del = Del;
284 p_stream->pf_send = Send;
286 p_stream->p_sout->i_out_pace_nocontrol++;
291 /*****************************************************************************
293 *****************************************************************************/
294 static void Close( vlc_object_t * p_this )
296 sout_stream_t *p_stream = (sout_stream_t*)p_this;
297 sout_stream_sys_t *p_sys = p_stream->p_sys;
299 p_stream->p_sout->i_out_pace_nocontrol--;
301 free( p_sys->psz_id );
306 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
308 sout_stream_sys_t *p_sys = p_stream->p_sys;
311 char *psz_chain, *psz_parser;
314 if ( p_sys->b_inited )
319 /* Create decoder object */
320 p_sys->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
321 vlc_object_attach( p_sys->p_decoder, p_stream );
322 p_sys->p_decoder->p_module = NULL;
323 p_sys->p_decoder->fmt_in = *p_fmt;
324 p_sys->p_decoder->b_pace_control = false;
325 p_sys->p_decoder->fmt_out = p_sys->p_decoder->fmt_in;
326 p_sys->p_decoder->fmt_out.i_extra = 0;
327 p_sys->p_decoder->fmt_out.p_extra = 0;
328 p_sys->p_decoder->pf_decode_video = 0;
329 p_sys->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
330 p_sys->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
331 p_sys->p_decoder->pf_picture_link = video_link_picture_decoder;
332 p_sys->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
333 p_sys->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
334 for( i = 0; i < PICTURE_RING_SIZE; i++ )
335 p_sys->p_decoder->p_owner->pp_pics[i] = 0;
336 p_sys->p_decoder->p_owner->video = p_fmt->video;
337 //p_sys->p_decoder->p_cfg = p_sys->p_video_cfg;
339 p_sys->p_decoder->p_module =
340 module_Need( p_sys->p_decoder, "decoder", "$codec", 0 );
342 if( !p_sys->p_decoder->p_module )
344 msg_Err( p_stream, "cannot find decoder" );
345 vlc_object_detach( p_sys->p_decoder );
346 vlc_object_release( p_sys->p_decoder );
350 p_sys->b_inited = true;
351 vlc_mutex_lock( p_sys->p_lock );
353 p_bridge = GetBridge( p_stream );
354 if ( p_bridge == NULL )
356 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
359 p_bridge = malloc( sizeof( bridge_t ) );
361 var_Create( p_libvlc, "mosaic-struct", VLC_VAR_ADDRESS );
362 val.p_address = p_bridge;
363 var_Set( p_libvlc, "mosaic-struct", val );
365 p_bridge->i_es_num = 0;
366 p_bridge->pp_es = NULL;
369 for ( i = 0; i < p_bridge->i_es_num; i++ )
371 if ( p_bridge->pp_es[i]->b_empty )
375 if ( i == p_bridge->i_es_num )
377 p_bridge->pp_es = realloc( p_bridge->pp_es,
378 (p_bridge->i_es_num + 1)
379 * sizeof(bridged_es_t *) );
380 p_bridge->i_es_num++;
381 p_bridge->pp_es[i] = malloc( sizeof(bridged_es_t) );
384 p_sys->p_es = p_es = p_bridge->pp_es[i];
386 p_es->i_alpha = var_GetInteger( p_stream, CFG_PREFIX "alpha" );
387 p_es->i_x = var_GetInteger( p_stream, CFG_PREFIX "x" );
388 p_es->i_y = var_GetInteger( p_stream, CFG_PREFIX "y" );
390 //p_es->fmt = *p_fmt;
391 p_es->psz_id = p_sys->psz_id;
392 p_es->p_picture = NULL;
393 p_es->pp_last = &p_es->p_picture;
394 p_es->b_empty = false;
396 vlc_mutex_unlock( p_sys->p_lock );
398 if ( p_sys->i_height || p_sys->i_width )
400 p_sys->p_image = image_HandlerCreate( p_stream );
404 p_sys->p_image = NULL;
407 msg_Dbg( p_stream, "mosaic bridge id=%s pos=%d", p_es->psz_id, i );
409 /* Create user specified video filters */
410 psz_chain = var_GetNonEmptyString( p_stream, CFG_PREFIX "vfilter" );
411 msg_Dbg( p_stream, "psz_chain: %s\n", psz_chain );
413 config_chain_t *p_cfg;
414 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
416 msg_Dbg( p_stream, " - %s\n", p_cfg->psz_value );
419 p_sys->i_vfilters = 0;
420 p_sys->pp_vfilters = NULL;
421 psz_parser = psz_chain;
422 while( psz_parser && *psz_parser )
424 config_chain_t *p_cfg;
426 filter_t **pp_vfilter;
427 psz_parser = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
430 (filter_t **)realloc( p_sys->pp_vfilters,
431 p_sys->i_vfilters * sizeof(filter_t *) );
432 pp_vfilter = p_sys->pp_vfilters+(p_sys->i_vfilters - 1);
433 *pp_vfilter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
434 vlc_object_attach( *pp_vfilter, p_stream );
435 (*pp_vfilter)->pf_vout_buffer_new = video_new_buffer_filter;
436 (*pp_vfilter)->pf_vout_buffer_del = video_del_buffer_filter;
437 (*pp_vfilter)->fmt_in = p_sys->p_decoder->fmt_out;
438 if( p_sys->i_chroma )
439 (*pp_vfilter)->fmt_in.video.i_chroma = p_sys->i_chroma;
440 (*pp_vfilter)->fmt_out = (*pp_vfilter)->fmt_in;
441 (*pp_vfilter)->p_cfg = p_cfg;
442 (*pp_vfilter)->p_module =
443 module_Need( *pp_vfilter, "video filter2", psz_name, true );
444 if( (*pp_vfilter)->p_module )
447 (*pp_vfilter)->p_owner = (filter_owner_sys_t *)
448 p_sys->p_decoder->p_owner;
449 msg_Err( p_stream, "Added video filter %s to the chain",
454 /* Crap ... we didn't find a filter */
456 "no video filter matching name \"%s\" found",
458 vlc_object_detach( *pp_vfilter );
459 vlc_object_release( *pp_vfilter );
465 return (sout_stream_id_t *)p_sys;
468 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
471 sout_stream_sys_t *p_sys = p_stream->p_sys;
474 bool b_last_es = true;
475 filter_t **pp_vfilter, **pp_end;
478 if ( !p_sys->b_inited )
483 if ( p_sys->p_decoder != NULL )
485 picture_t **pp_ring = p_sys->p_decoder->p_owner->pp_pics;
487 if( p_sys->p_decoder->p_module )
488 module_Unneed( p_sys->p_decoder, p_sys->p_decoder->p_module );
489 vlc_object_detach( p_sys->p_decoder );
490 vlc_object_release( p_sys->p_decoder );
492 for( i = 0; i < PICTURE_RING_SIZE; i++ )
494 if ( pp_ring[i] != NULL )
496 free( pp_ring[i]->p_data_orig );
497 free( pp_ring[i]->p_sys );
503 /* Destroy user specified video filters */
504 pp_vfilter = p_sys->pp_vfilters;
505 pp_end = pp_vfilter + p_sys->i_vfilters;
506 for( ; pp_vfilter < pp_end; pp_vfilter++ )
508 vlc_object_detach( *pp_vfilter );
509 if( (*pp_vfilter)->p_module )
510 module_Unneed( *pp_vfilter, (*pp_vfilter)->p_module );
511 vlc_object_release( *pp_vfilter );
513 free( p_sys->pp_vfilters );
515 vlc_mutex_lock( p_sys->p_lock );
517 p_bridge = GetBridge( p_stream );
520 p_es->b_empty = true;
521 while ( p_es->p_picture )
523 picture_t *p_next = p_es->p_picture->p_next;
524 p_es->p_picture->pf_release( p_es->p_picture );
525 p_es->p_picture = p_next;
528 for ( i = 0; i < p_bridge->i_es_num; i++ )
530 if ( !p_bridge->pp_es[i]->b_empty )
539 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
540 for ( i = 0; i < p_bridge->i_es_num; i++ )
541 free( p_bridge->pp_es[i] );
542 free( p_bridge->pp_es );
544 var_Destroy( p_libvlc, "mosaic-struct" );
547 vlc_mutex_unlock( p_sys->p_lock );
549 if ( p_sys->p_image )
551 image_HandlerDelete( p_sys->p_image );
554 p_sys->b_inited = false;
559 /*****************************************************************************
560 * PushPicture : push a picture in the mosaic-struct structure
561 *****************************************************************************/
562 static void PushPicture( sout_stream_t *p_stream, picture_t *p_picture )
564 sout_stream_sys_t *p_sys = p_stream->p_sys;
565 bridged_es_t *p_es = p_sys->p_es;
567 vlc_mutex_lock( p_sys->p_lock );
569 *p_es->pp_last = p_picture;
570 p_picture->p_next = NULL;
571 p_es->pp_last = &p_picture->p_next;
573 vlc_mutex_unlock( p_sys->p_lock );
576 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
579 sout_stream_sys_t *p_sys = p_stream->p_sys;
582 if ( (sout_stream_sys_t *)id != p_sys )
584 block_ChainRelease( p_buffer );
588 while ( (p_pic = p_sys->p_decoder->pf_decode_video( p_sys->p_decoder,
591 picture_t *p_new_pic;
593 if( p_sys->i_height || p_sys->i_width )
595 video_format_t fmt_out, fmt_in;
597 memset( &fmt_in, 0, sizeof(video_format_t) );
598 memset( &fmt_out, 0, sizeof(video_format_t) );
599 fmt_in = p_sys->p_decoder->fmt_out.video;
602 if( p_sys->i_chroma )
603 fmt_out.i_chroma = p_sys->i_chroma;
605 fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
607 if ( !p_sys->i_height )
609 fmt_out.i_width = p_sys->i_width;
610 fmt_out.i_height = (p_sys->i_width * VOUT_ASPECT_FACTOR
611 * p_sys->i_sar_num / p_sys->i_sar_den / fmt_in.i_aspect)
614 else if ( !p_sys->i_width )
616 fmt_out.i_height = p_sys->i_height;
617 fmt_out.i_width = (p_sys->i_height * fmt_in.i_aspect
618 * p_sys->i_sar_den / p_sys->i_sar_num / VOUT_ASPECT_FACTOR)
623 fmt_out.i_width = p_sys->i_width;
624 fmt_out.i_height = p_sys->i_height;
626 fmt_out.i_visible_width = fmt_out.i_width;
627 fmt_out.i_visible_height = fmt_out.i_height;
629 p_new_pic = image_Convert( p_sys->p_image,
630 p_pic, &fmt_in, &fmt_out );
631 if ( p_new_pic == NULL )
633 msg_Err( p_stream, "image conversion failed" );
639 /* TODO: chroma conversion if needed */
641 p_new_pic = (picture_t*)malloc( sizeof(picture_t) );
642 if( p_new_pic == NULL )
644 msg_Err( p_stream, "image conversion failed" );
648 if( vout_AllocatePicture(
649 p_stream, p_new_pic, p_pic->format.i_chroma,
650 p_pic->format.i_width, p_pic->format.i_height,
651 p_sys->p_decoder->fmt_out.video.i_aspect )
655 msg_Err( p_stream, "image allocation failed" );
659 vout_CopyPicture( p_stream, p_new_pic, p_pic );
662 p_new_pic->i_refcount = 1;
663 p_new_pic->i_status = DESTROYED_PICTURE;
664 p_new_pic->i_type = DIRECT_PICTURE;
665 p_new_pic->p_sys = (picture_sys_t *)p_new_pic->pf_release;
666 p_new_pic->pf_release = ReleasePicture;
667 p_new_pic->date = p_pic->date;
668 p_pic->pf_release( p_pic );
670 if( p_sys->pp_vfilters )
672 /* Apply user specified video filters */
673 filter_t **pp_vfilter = p_sys->pp_vfilters;
674 filter_t **pp_end = pp_vfilter + p_sys->i_vfilters;
675 for( ; pp_vfilter < pp_end; pp_vfilter++ )
677 (*pp_vfilter)->fmt_in.i_codec = p_new_pic->format.i_chroma;
678 (*pp_vfilter)->fmt_out.i_codec = p_new_pic->format.i_chroma;
679 (*pp_vfilter)->fmt_in.video = p_new_pic->format;
680 (*pp_vfilter)->fmt_out.video = p_new_pic->format;
681 p_new_pic = (*pp_vfilter)->pf_video_filter( *pp_vfilter,
685 msg_Err( p_stream, "video filter failed" );
689 if( !p_new_pic ) continue;
692 PushPicture( p_stream, p_new_pic );
700 vlc_object_t *p_owner;
704 static void video_release_buffer_decoder( picture_t *p_pic )
706 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
708 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
710 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
713 static void video_release_buffer_filter( picture_t *p_pic )
715 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
717 video_del_buffer_filter( (filter_t *)p_pic->p_sys->p_owner, p_pic );
719 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
722 inline static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
724 return video_new_buffer( VLC_OBJECT( p_dec ),
725 (decoder_owner_sys_t *)p_dec->p_owner,
727 video_release_buffer_decoder );
730 inline static picture_t *video_new_buffer_filter( filter_t *p_filter )
732 return video_new_buffer( VLC_OBJECT( p_filter ),
733 (decoder_owner_sys_t *)p_filter->p_owner,
735 video_release_buffer_filter );
738 static picture_t *video_new_buffer( vlc_object_t *p_this,
739 decoder_owner_sys_t *p_sys,
740 es_format_t *fmt_out,
741 void ( *pf_release )( picture_t * ) )
743 picture_t **pp_ring = p_sys->pp_pics;
747 if( fmt_out->video.i_width != p_sys->video.i_width ||
748 fmt_out->video.i_height != p_sys->video.i_height ||
749 fmt_out->video.i_chroma != p_sys->video.i_chroma ||
750 fmt_out->video.i_aspect != p_sys->video.i_aspect )
752 if( !fmt_out->video.i_sar_num ||
753 !fmt_out->video.i_sar_den )
755 fmt_out->video.i_sar_num =
756 fmt_out->video.i_aspect * fmt_out->video.i_height;
758 fmt_out->video.i_sar_den =
759 VOUT_ASPECT_FACTOR * fmt_out->video.i_width;
762 vlc_ureduce( &fmt_out->video.i_sar_num,
763 &fmt_out->video.i_sar_den,
764 fmt_out->video.i_sar_num,
765 fmt_out->video.i_sar_den, 0 );
767 if( !fmt_out->video.i_visible_width ||
768 !fmt_out->video.i_visible_height )
770 fmt_out->video.i_visible_width = fmt_out->video.i_width;
771 fmt_out->video.i_visible_height = fmt_out->video.i_height;
774 fmt_out->video.i_chroma = fmt_out->i_codec;
775 p_sys->video = fmt_out->video;
777 for( i = 0; i < PICTURE_RING_SIZE; i++ )
779 if ( pp_ring[i] != NULL )
781 if ( pp_ring[i]->i_status == DESTROYED_PICTURE )
783 free( pp_ring[i]->p_data_orig );
784 free( pp_ring[i]->p_sys );
789 pp_ring[i]->p_sys->b_dead = true;
796 /* Find an empty space in the picture ring buffer */
797 for( i = 0; i < PICTURE_RING_SIZE; i++ )
799 if( pp_ring[i] != NULL && pp_ring[i]->i_status == DESTROYED_PICTURE )
801 pp_ring[i]->i_status = RESERVED_PICTURE;
805 for( i = 0; i < PICTURE_RING_SIZE; i++ )
807 if( pp_ring[i] == NULL ) break;
810 if( i == PICTURE_RING_SIZE )
812 msg_Err( p_this, "decoder/filter is leaking pictures, "
813 "resetting its ring buffer" );
815 for( i = 0; i < PICTURE_RING_SIZE; i++ )
817 pp_ring[i]->pf_release( pp_ring[i] );
823 p_pic = malloc( sizeof(picture_t) );
824 if( !p_pic ) return NULL;
825 fmt_out->video.i_chroma = fmt_out->i_codec;
826 vout_AllocatePicture( p_this, p_pic,
827 fmt_out->video.i_chroma,
828 fmt_out->video.i_width,
829 fmt_out->video.i_height,
830 fmt_out->video.i_aspect );
832 if( !p_pic->i_planes )
838 p_pic->pf_release = pf_release;
839 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
840 p_pic->p_sys->p_owner = p_this;
841 p_pic->p_sys->b_dead = false;
842 p_pic->i_status = RESERVED_PICTURE;
849 inline static void video_del_buffer_decoder( decoder_t *p_this,
853 video_del_buffer( p_pic );
856 inline static void video_del_buffer_filter( filter_t *p_this,
860 video_del_buffer( p_pic );
863 static void video_del_buffer( picture_t *p_pic )
865 p_pic->i_refcount = 0;
866 p_pic->i_status = DESTROYED_PICTURE;
867 if ( p_pic->p_sys->b_dead )
869 free( p_pic->p_data_orig );
870 free( p_pic->p_sys );
875 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
881 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
884 video_release_buffer_decoder( p_pic );
888 /**********************************************************************
889 * Callback to update (some) params on the fly
890 **********************************************************************/
891 static int HeightCallback( vlc_object_t *p_this, char const *psz_var,
892 vlc_value_t oldval, vlc_value_t newval,
895 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
896 sout_stream_t *p_stream = (sout_stream_t *)p_data;
897 sout_stream_sys_t *p_sys = p_stream->p_sys;
899 /* We create the handler before updating the value in p_sys
900 * so we don't have to worry about locking */
901 if( !p_sys->p_image && newval.i_int )
902 p_sys->p_image = image_HandlerCreate( p_stream );
903 p_sys->i_height = newval.i_int;
908 static int WidthCallback( vlc_object_t *p_this, char const *psz_var,
909 vlc_value_t oldval, vlc_value_t newval,
912 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
913 sout_stream_t *p_stream = (sout_stream_t *)p_data;
914 sout_stream_sys_t *p_sys = p_stream->p_sys;
916 /* We create the handler before updating the value in p_sys
917 * so we don't have to worry about locking */
918 if( !p_sys->p_image && newval.i_int )
919 p_sys->p_image = image_HandlerCreate( p_stream );
920 p_sys->i_width = newval.i_int;
925 static int alphaCallback( vlc_object_t *p_this, char const *psz_var,
926 vlc_value_t oldval, vlc_value_t newval,
929 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
930 sout_stream_t *p_stream = (sout_stream_t *)p_data;
931 sout_stream_sys_t *p_sys = p_stream->p_sys;
934 p_sys->p_es->i_alpha = newval.i_int;
939 static int xCallback( vlc_object_t *p_this, char const *psz_var,
940 vlc_value_t oldval, vlc_value_t newval,
943 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
944 sout_stream_t *p_stream = (sout_stream_t *)p_data;
945 sout_stream_sys_t *p_sys = p_stream->p_sys;
948 p_sys->p_es->i_x = newval.i_int;
953 static int yCallback( vlc_object_t *p_this, char const *psz_var,
954 vlc_value_t oldval, vlc_value_t newval,
957 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
958 sout_stream_t *p_stream = (sout_stream_t *)p_data;
959 sout_stream_sys_t *p_sys = p_stream->p_sys;
962 p_sys->p_es->i_y = newval.i_int;