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 *****************************************************************************/
33 #include <errno.h> /* ENOMEM */
35 #include <vlc_common.h>
36 #include <vlc_plugin.h>
38 #include <vlc_block.h>
39 #include <vlc_codec.h>
42 #include <vlc_image.h>
43 #include <vlc_filter.h>
45 #include "../video_filter/mosaic.h"
49 /*****************************************************************************
51 *****************************************************************************/
52 struct sout_stream_sys_t
58 image_handler_t *p_image; /* filter for resizing */
59 int i_height, i_width;
60 unsigned int i_sar_num, i_sar_den;
64 int i_chroma; /* force image format chroma */
66 filter_chain_t *p_vf2;
69 #define PICTURE_RING_SIZE 4
70 struct decoder_owner_sys_t
72 picture_t *pp_pics[PICTURE_RING_SIZE];
74 /* Current format in use by the output */
78 typedef void (* pf_release_t)( picture_t * );
79 static void ReleasePicture( picture_t *p_pic )
86 pf_release_t pf_release = (pf_release_t)p_pic->p_sys;
92 if( --p_pic->i_refcount == 0 )
95 free( p_pic->p_data_orig );
101 /*****************************************************************************
103 *****************************************************************************/
104 static int Open ( vlc_object_t * );
105 static void Close ( vlc_object_t * );
106 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
107 static int Del ( sout_stream_t *, sout_stream_id_t * );
108 static int Send( sout_stream_t *, sout_stream_id_t *, block_t * );
110 inline static void video_del_buffer_decoder( decoder_t *, picture_t * );
111 inline static void video_del_buffer_filter( filter_t *, picture_t * );
112 static void video_del_buffer( picture_t * );
114 inline static picture_t *video_new_buffer_decoder( decoder_t * );
115 inline static picture_t *video_new_buffer_filter( filter_t * );
116 static picture_t *video_new_buffer( vlc_object_t *, decoder_owner_sys_t *,
117 es_format_t *, void (*)( picture_t * ) );
119 static void video_link_picture_decoder( decoder_t *, picture_t * );
120 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
122 static int HeightCallback( vlc_object_t *, char const *,
123 vlc_value_t, vlc_value_t, void * );
124 static int WidthCallback( vlc_object_t *, char const *,
125 vlc_value_t, vlc_value_t, void * );
126 static int alphaCallback( vlc_object_t *, char const *,
127 vlc_value_t, vlc_value_t, void * );
128 static int xCallback( vlc_object_t *, char const *,
129 vlc_value_t, vlc_value_t, void * );
130 static int yCallback( vlc_object_t *, char const *,
131 vlc_value_t, vlc_value_t, void * );
133 /*****************************************************************************
135 *****************************************************************************/
136 #define ID_TEXT N_("ID")
137 #define ID_LONGTEXT N_( \
138 "Specify an identifier string for this subpicture" )
140 #define WIDTH_TEXT N_("Video width")
141 #define WIDTH_LONGTEXT N_( \
142 "Output video width." )
143 #define HEIGHT_TEXT N_("Video height")
144 #define HEIGHT_LONGTEXT N_( \
145 "Output video height." )
146 #define RATIO_TEXT N_("Sample aspect ratio")
147 #define RATIO_LONGTEXT N_( \
148 "Sample aspect ratio of the destination (1:1, 3:4, 2:3)." )
150 #define VFILTER_TEXT N_("Video filter")
151 #define VFILTER_LONGTEXT N_( \
152 "Video filters will be applied to the video stream." )
154 #define CHROMA_TEXT N_("Image chroma")
155 #define CHROMA_LONGTEXT N_( \
156 "Force the use of a specific chroma. Use YUVA if you're planning " \
157 "to use the Alphamask or Bluescreen video filter." )
159 #define ALPHA_TEXT N_("Transparency")
160 #define ALPHA_LONGTEXT N_( \
161 "Transparency of the mosaic picture." )
163 #define X_TEXT N_("X offset")
164 #define X_LONGTEXT N_( \
165 "X coordinate of the upper left corner in the mosaic if non negative." )
167 #define Y_TEXT N_("Y offset")
168 #define Y_LONGTEXT N_( \
169 "Y coordinate of the upper left corner in the mosaic if non negative." )
171 #define CFG_PREFIX "sout-mosaic-bridge-"
174 set_shortname( N_( "Mosaic bridge" ) )
175 set_description(N_("Mosaic bridge stream output") )
176 set_capability( "sout stream", 0 )
177 add_shortcut( "mosaic-bridge" )
179 add_string( CFG_PREFIX "id", "Id", NULL, ID_TEXT, ID_LONGTEXT,
181 add_integer( CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
182 WIDTH_LONGTEXT, true )
183 add_integer( CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
184 HEIGHT_LONGTEXT, true )
185 add_string( CFG_PREFIX "sar", "1:1", NULL, RATIO_TEXT,
186 RATIO_LONGTEXT, false )
187 add_string( CFG_PREFIX "chroma", 0, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
190 add_module_list( CFG_PREFIX "vfilter", "video filter2",
191 NULL, NULL, VFILTER_TEXT, VFILTER_LONGTEXT, false )
193 add_integer_with_range( CFG_PREFIX "alpha", 255, 0, 255, NULL,
194 ALPHA_TEXT, ALPHA_LONGTEXT, false )
195 add_integer( CFG_PREFIX "x", -1, NULL, X_TEXT, X_LONGTEXT, false )
196 add_integer( CFG_PREFIX "y", -1, NULL, Y_TEXT, Y_LONGTEXT, false )
198 set_callbacks( Open, Close )
201 static const char *const ppsz_sout_options[] = {
202 "id", "width", "height", "sar", "vfilter", "chroma", "alpha", "x", "y", NULL
205 /*****************************************************************************
207 *****************************************************************************/
208 static int Open( vlc_object_t *p_this )
210 sout_stream_t *p_stream = (sout_stream_t *)p_this;
211 sout_stream_sys_t *p_sys;
212 vlc_object_t *p_libvlc = VLC_OBJECT( p_this->p_libvlc );
215 config_ChainParse( p_stream, CFG_PREFIX, ppsz_sout_options,
218 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 p_sys->psz_id = var_CreateGetString( p_stream, CFG_PREFIX "id" );
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 );
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 );
272 free( val.psz_string );
274 #define INT_COMMAND( a ) do { \
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, \
278 p_stream ); } while(0)
279 INT_COMMAND( alpha );
285 p_stream->pf_add = Add;
286 p_stream->pf_del = Del;
287 p_stream->pf_send = Send;
289 p_stream->p_sout->i_out_pace_nocontrol++;
294 /*****************************************************************************
296 *****************************************************************************/
297 static void Close( vlc_object_t * p_this )
299 sout_stream_t *p_stream = (sout_stream_t*)p_this;
300 sout_stream_sys_t *p_sys = p_stream->p_sys;
302 p_stream->p_sout->i_out_pace_nocontrol--;
304 free( p_sys->psz_id );
309 static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
311 p_filter->pf_vout_buffer_new = video_new_buffer_filter;
312 p_filter->pf_vout_buffer_del = video_del_buffer_filter;
313 p_filter->p_owner = p_data;
317 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
319 sout_stream_sys_t *p_sys = p_stream->p_sys;
325 if( p_sys->b_inited || p_fmt->i_cat != VIDEO_ES )
328 /* Create decoder object */
329 p_sys->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
330 if( !p_sys->p_decoder )
332 vlc_object_attach( p_sys->p_decoder, p_stream );
333 p_sys->p_decoder->p_module = NULL;
334 p_sys->p_decoder->fmt_in = *p_fmt;
335 p_sys->p_decoder->b_pace_control = false;
336 p_sys->p_decoder->fmt_out = p_sys->p_decoder->fmt_in;
337 p_sys->p_decoder->fmt_out.i_extra = 0;
338 p_sys->p_decoder->fmt_out.p_extra = 0;
339 p_sys->p_decoder->pf_decode_video = 0;
340 p_sys->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
341 p_sys->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
342 p_sys->p_decoder->pf_picture_link = video_link_picture_decoder;
343 p_sys->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
344 p_sys->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
345 if( !p_sys->p_decoder->p_owner )
347 vlc_object_detach( p_sys->p_decoder );
348 vlc_object_release( p_sys->p_decoder );
352 for( i = 0; i < PICTURE_RING_SIZE; i++ )
353 p_sys->p_decoder->p_owner->pp_pics[i] = NULL;
354 p_sys->p_decoder->p_owner->video = p_fmt->video;
355 //p_sys->p_decoder->p_cfg = p_sys->p_video_cfg;
357 p_sys->p_decoder->p_module =
358 module_need( p_sys->p_decoder, "decoder", "$codec", false );
360 if( !p_sys->p_decoder->p_module || !p_sys->p_decoder->pf_decode_video )
362 if( p_sys->p_decoder->p_module )
364 msg_Err( p_stream, "instanciated a non video decoder" );
365 module_unneed( p_sys->p_decoder, p_sys->p_decoder->p_module );
369 msg_Err( p_stream, "cannot find decoder" );
371 free( p_sys->p_decoder->p_owner );
372 vlc_object_detach( p_sys->p_decoder );
373 vlc_object_release( p_sys->p_decoder );
377 p_sys->b_inited = true;
378 vlc_mutex_lock( p_sys->p_lock );
380 p_bridge = GetBridge( p_stream );
381 if ( p_bridge == NULL )
383 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
386 p_bridge = malloc( sizeof( bridge_t ) );
388 var_Create( p_libvlc, "mosaic-struct", VLC_VAR_ADDRESS );
389 val.p_address = p_bridge;
390 var_Set( p_libvlc, "mosaic-struct", val );
392 p_bridge->i_es_num = 0;
393 p_bridge->pp_es = NULL;
396 for ( i = 0; i < p_bridge->i_es_num; i++ )
398 if ( p_bridge->pp_es[i]->b_empty )
402 if ( i == p_bridge->i_es_num )
404 p_bridge->pp_es = realloc( p_bridge->pp_es,
405 (p_bridge->i_es_num + 1)
406 * sizeof(bridged_es_t *) );
407 p_bridge->i_es_num++;
408 p_bridge->pp_es[i] = malloc( sizeof(bridged_es_t) );
411 p_sys->p_es = p_es = p_bridge->pp_es[i];
413 p_es->i_alpha = var_GetInteger( p_stream, CFG_PREFIX "alpha" );
414 p_es->i_x = var_GetInteger( p_stream, CFG_PREFIX "x" );
415 p_es->i_y = var_GetInteger( p_stream, CFG_PREFIX "y" );
417 //p_es->fmt = *p_fmt;
418 p_es->psz_id = p_sys->psz_id;
419 p_es->p_picture = NULL;
420 p_es->pp_last = &p_es->p_picture;
421 p_es->b_empty = false;
423 vlc_mutex_unlock( p_sys->p_lock );
425 if ( p_sys->i_height || p_sys->i_width )
427 p_sys->p_image = image_HandlerCreate( p_stream );
431 p_sys->p_image = NULL;
434 msg_Dbg( p_stream, "mosaic bridge id=%s pos=%d", p_es->psz_id, i );
436 /* Create user specified video filters */
437 psz_chain = var_GetNonEmptyString( p_stream, CFG_PREFIX "vfilter" );
438 msg_Dbg( p_stream, "psz_chain: %s", psz_chain );
441 p_sys->p_vf2 = filter_chain_New( p_stream, "video filter2", false,
442 video_filter_buffer_allocation_init,
443 NULL, p_sys->p_decoder->p_owner );
445 es_format_Copy( &fmt, &p_sys->p_decoder->fmt_out );
446 if( p_sys->i_chroma )
447 fmt.video.i_chroma = p_sys->i_chroma;
448 filter_chain_Reset( p_sys->p_vf2, &fmt, &fmt );
449 filter_chain_AppendFromString( p_sys->p_vf2, psz_chain );
457 return (sout_stream_id_t *)p_sys;
460 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
463 sout_stream_sys_t *p_sys = p_stream->p_sys;
466 bool b_last_es = true;
469 if( !p_sys->b_inited )
472 if( p_sys->p_decoder != NULL )
474 decoder_owner_sys_t *p_owner = p_sys->p_decoder->p_owner;
476 if( p_sys->p_decoder->p_module )
477 module_unneed( p_sys->p_decoder, p_sys->p_decoder->p_module );
478 if( p_sys->p_decoder->p_description )
479 vlc_meta_Delete( p_sys->p_decoder->p_description );
481 vlc_object_detach( p_sys->p_decoder );
482 vlc_object_release( p_sys->p_decoder );
484 picture_t **pp_ring = p_owner->pp_pics;
485 for( i = 0; i < PICTURE_RING_SIZE; i++ )
487 if ( pp_ring[i] != NULL )
489 free( pp_ring[i]->p_data_orig );
490 free( pp_ring[i]->p_sys );
497 /* Destroy user specified video filters */
499 filter_chain_Delete( p_sys->p_vf2 );
501 vlc_mutex_lock( p_sys->p_lock );
503 p_bridge = GetBridge( p_stream );
506 p_es->b_empty = true;
507 while ( p_es->p_picture )
509 picture_t *p_next = p_es->p_picture->p_next;
510 p_es->p_picture->pf_release( p_es->p_picture );
511 p_es->p_picture = p_next;
514 for ( i = 0; i < p_bridge->i_es_num; i++ )
516 if ( !p_bridge->pp_es[i]->b_empty )
525 vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
526 for ( i = 0; i < p_bridge->i_es_num; i++ )
527 free( p_bridge->pp_es[i] );
528 free( p_bridge->pp_es );
530 var_Destroy( p_libvlc, "mosaic-struct" );
533 vlc_mutex_unlock( p_sys->p_lock );
535 if ( p_sys->p_image )
537 image_HandlerDelete( p_sys->p_image );
540 p_sys->b_inited = false;
545 /*****************************************************************************
546 * PushPicture : push a picture in the mosaic-struct structure
547 *****************************************************************************/
548 static void PushPicture( sout_stream_t *p_stream, picture_t *p_picture )
550 sout_stream_sys_t *p_sys = p_stream->p_sys;
551 bridged_es_t *p_es = p_sys->p_es;
553 vlc_mutex_lock( p_sys->p_lock );
555 *p_es->pp_last = p_picture;
556 p_picture->p_next = NULL;
557 p_es->pp_last = &p_picture->p_next;
559 vlc_mutex_unlock( p_sys->p_lock );
562 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
565 sout_stream_sys_t *p_sys = p_stream->p_sys;
568 if ( (sout_stream_sys_t *)id != p_sys )
570 block_ChainRelease( p_buffer );
574 while ( (p_pic = p_sys->p_decoder->pf_decode_video( p_sys->p_decoder,
577 picture_t *p_new_pic;
579 if( p_sys->i_height || p_sys->i_width )
581 video_format_t fmt_out, fmt_in;
583 memset( &fmt_in, 0, sizeof(video_format_t) );
584 memset( &fmt_out, 0, sizeof(video_format_t) );
585 fmt_in = p_sys->p_decoder->fmt_out.video;
588 if( p_sys->i_chroma )
589 fmt_out.i_chroma = p_sys->i_chroma;
591 fmt_out.i_chroma = VLC_FOURCC('I','4','2','0');
593 if ( !p_sys->i_height )
595 fmt_out.i_width = p_sys->i_width;
596 fmt_out.i_height = (p_sys->i_width * VOUT_ASPECT_FACTOR
597 * p_sys->i_sar_num / p_sys->i_sar_den / fmt_in.i_aspect)
600 else if ( !p_sys->i_width )
602 fmt_out.i_height = p_sys->i_height;
603 fmt_out.i_width = (p_sys->i_height * fmt_in.i_aspect
604 * p_sys->i_sar_den / p_sys->i_sar_num / VOUT_ASPECT_FACTOR)
609 fmt_out.i_width = p_sys->i_width;
610 fmt_out.i_height = p_sys->i_height;
612 fmt_out.i_visible_width = fmt_out.i_width;
613 fmt_out.i_visible_height = fmt_out.i_height;
615 p_new_pic = image_Convert( p_sys->p_image,
616 p_pic, &fmt_in, &fmt_out );
617 if ( p_new_pic == NULL )
619 msg_Err( p_stream, "image conversion failed" );
620 picture_Release( p_pic );
626 /* TODO: chroma conversion if needed */
628 p_new_pic = (picture_t*)malloc( sizeof(picture_t) );
629 if( p_new_pic == NULL )
631 msg_Err( p_stream, "image conversion failed" );
635 if( vout_AllocatePicture(
636 p_stream, p_new_pic, p_pic->format.i_chroma,
637 p_pic->format.i_width, p_pic->format.i_height,
638 p_sys->p_decoder->fmt_out.video.i_aspect )
641 picture_Release( p_pic );
643 msg_Err( p_stream, "image allocation failed" );
647 picture_Copy( p_new_pic, p_pic );
650 p_new_pic->i_refcount = 1;
651 p_new_pic->i_status = DESTROYED_PICTURE;
652 p_new_pic->i_type = DIRECT_PICTURE;
653 p_new_pic->p_sys = (picture_sys_t *)p_new_pic->pf_release;
654 p_new_pic->pf_release = ReleasePicture;
655 p_new_pic->date = p_pic->date;
656 picture_Release( p_pic );
659 p_new_pic = filter_chain_VideoFilter( p_sys->p_vf2, p_new_pic );
661 PushPicture( p_stream, p_new_pic );
669 vlc_object_t *p_owner;
673 static void video_release_buffer_decoder( picture_t *p_pic )
675 assert( p_pic && p_pic->p_sys );
677 if( --p_pic->i_refcount > 0 )
680 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
683 static void video_release_buffer_filter( picture_t *p_pic )
687 if( --p_pic->i_refcount > 0 )
690 assert( p_pic->p_sys );
692 video_del_buffer_filter( (filter_t *)p_pic->p_sys->p_owner, p_pic );
695 inline static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
697 return video_new_buffer( VLC_OBJECT( p_dec ),
698 (decoder_owner_sys_t *)p_dec->p_owner,
700 video_release_buffer_decoder );
703 inline static picture_t *video_new_buffer_filter( filter_t *p_filter )
705 return video_new_buffer( VLC_OBJECT( p_filter ),
706 (decoder_owner_sys_t *)p_filter->p_owner,
708 video_release_buffer_filter );
711 static picture_t *video_new_buffer( vlc_object_t *p_this,
712 decoder_owner_sys_t *p_sys,
713 es_format_t *fmt_out,
714 void ( *pf_release )( picture_t * ) )
716 picture_t **pp_ring = p_sys->pp_pics;
720 if( fmt_out->video.i_width != p_sys->video.i_width ||
721 fmt_out->video.i_height != p_sys->video.i_height ||
722 fmt_out->video.i_chroma != p_sys->video.i_chroma ||
723 fmt_out->video.i_aspect != p_sys->video.i_aspect )
725 if( !fmt_out->video.i_sar_num ||
726 !fmt_out->video.i_sar_den )
728 fmt_out->video.i_sar_num =
729 fmt_out->video.i_aspect * fmt_out->video.i_height;
731 fmt_out->video.i_sar_den =
732 VOUT_ASPECT_FACTOR * fmt_out->video.i_width;
735 vlc_ureduce( &fmt_out->video.i_sar_num,
736 &fmt_out->video.i_sar_den,
737 fmt_out->video.i_sar_num,
738 fmt_out->video.i_sar_den, 0 );
740 if( !fmt_out->video.i_visible_width ||
741 !fmt_out->video.i_visible_height )
743 fmt_out->video.i_visible_width = fmt_out->video.i_width;
744 fmt_out->video.i_visible_height = fmt_out->video.i_height;
747 fmt_out->video.i_chroma = fmt_out->i_codec;
748 p_sys->video = fmt_out->video;
750 for( i = 0; i < PICTURE_RING_SIZE; i++ )
752 if ( pp_ring[i] != NULL )
754 if ( pp_ring[i]->i_status == DESTROYED_PICTURE )
756 free( pp_ring[i]->p_data_orig );
757 free( pp_ring[i]->p_sys );
762 pp_ring[i]->p_sys->b_dead = true;
769 /* Find an empty space in the picture ring buffer */
770 for( i = 0; i < PICTURE_RING_SIZE; i++ )
772 if( pp_ring[i] != NULL && pp_ring[i]->i_status == DESTROYED_PICTURE )
774 pp_ring[i]->i_status = RESERVED_PICTURE;
775 pp_ring[i]->i_refcount = 1;
779 for( i = 0; i < PICTURE_RING_SIZE; i++ )
781 if( pp_ring[i] == NULL ) break;
784 if( i == PICTURE_RING_SIZE )
786 msg_Err( p_this, "decoder/filter is leaking pictures, "
787 "resetting its ring buffer" );
789 for( i = 0; i < PICTURE_RING_SIZE; i++ )
791 pp_ring[i]->p_sys->b_dead = true;
792 pp_ring[i]->pf_release( pp_ring[i] );
799 p_pic = malloc( sizeof(picture_t) );
800 if( !p_pic ) return NULL;
801 fmt_out->video.i_chroma = fmt_out->i_codec;
802 if( vout_AllocatePicture( p_this, p_pic,
803 fmt_out->video.i_chroma,
804 fmt_out->video.i_width,
805 fmt_out->video.i_height,
806 fmt_out->video.i_aspect ) != VLC_SUCCESS )
812 if( !p_pic->i_planes )
818 p_pic->pf_release = pf_release;
819 p_pic->i_refcount = 1;
820 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
821 p_pic->p_sys->p_owner = p_this;
822 p_pic->p_sys->b_dead = false;
823 p_pic->i_status = RESERVED_PICTURE;
830 inline static void video_del_buffer_decoder( decoder_t *p_this,
834 video_del_buffer( p_pic );
837 inline static void video_del_buffer_filter( filter_t *p_this,
841 video_del_buffer( p_pic );
844 static void video_del_buffer( picture_t *p_pic )
846 p_pic->i_refcount = 0;
847 p_pic->i_status = DESTROYED_PICTURE;
848 if ( p_pic->p_sys->b_dead )
850 free( p_pic->p_data_orig );
851 free( p_pic->p_sys );
856 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
862 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
865 video_release_buffer_decoder( p_pic );
869 /**********************************************************************
870 * Callback to update (some) params on the fly
871 **********************************************************************/
872 static int HeightCallback( vlc_object_t *p_this, char const *psz_var,
873 vlc_value_t oldval, vlc_value_t newval,
876 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
877 sout_stream_t *p_stream = (sout_stream_t *)p_data;
878 sout_stream_sys_t *p_sys = p_stream->p_sys;
880 /* We create the handler before updating the value in p_sys
881 * so we don't have to worry about locking */
882 if( !p_sys->p_image && newval.i_int )
883 p_sys->p_image = image_HandlerCreate( p_stream );
884 p_sys->i_height = newval.i_int;
889 static int WidthCallback( vlc_object_t *p_this, char const *psz_var,
890 vlc_value_t oldval, vlc_value_t newval,
893 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
894 sout_stream_t *p_stream = (sout_stream_t *)p_data;
895 sout_stream_sys_t *p_sys = p_stream->p_sys;
897 /* We create the handler before updating the value in p_sys
898 * so we don't have to worry about locking */
899 if( !p_sys->p_image && newval.i_int )
900 p_sys->p_image = image_HandlerCreate( p_stream );
901 p_sys->i_width = newval.i_int;
906 static int alphaCallback( vlc_object_t *p_this, char const *psz_var,
907 vlc_value_t oldval, vlc_value_t newval,
910 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
911 sout_stream_t *p_stream = (sout_stream_t *)p_data;
912 sout_stream_sys_t *p_sys = p_stream->p_sys;
915 p_sys->p_es->i_alpha = newval.i_int;
920 static int xCallback( vlc_object_t *p_this, char const *psz_var,
921 vlc_value_t oldval, vlc_value_t newval,
924 VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
925 sout_stream_t *p_stream = (sout_stream_t *)p_data;
926 sout_stream_sys_t *p_sys = p_stream->p_sys;
929 p_sys->p_es->i_x = newval.i_int;
934 static int yCallback( 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;
943 p_sys->p_es->i_y = newval.i_int;