1 /*****************************************************************************
2 * image.c : wrapper for image reading/writing facilities
3 *****************************************************************************
4 * Copyright (C) 2004 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
26 * This file contains the functions to handle the image_handler_t type
29 /*****************************************************************************
31 *****************************************************************************/
34 #include <vlc_codec.h>
35 #include <vlc_filter.h>
37 #include <vlc_image.h>
38 #include <vlc_stream.h>
39 #include <vlc_charset.h>
41 static picture_t *ImageRead( image_handler_t *, block_t *,
42 video_format_t *, video_format_t * );
43 static picture_t *ImageReadUrl( image_handler_t *, const char *,
44 video_format_t *, video_format_t * );
45 static block_t *ImageWrite( image_handler_t *, picture_t *,
46 video_format_t *, video_format_t * );
47 static int ImageWriteUrl( image_handler_t *, picture_t *,
48 video_format_t *, video_format_t *, const char * );
50 static picture_t *ImageConvert( image_handler_t *, picture_t *,
51 video_format_t *, video_format_t * );
52 static picture_t *ImageFilter( image_handler_t *, picture_t *,
53 video_format_t *, const char *psz_module );
55 static decoder_t *CreateDecoder( vlc_object_t *, video_format_t * );
56 static void DeleteDecoder( decoder_t * );
57 static encoder_t *CreateEncoder( vlc_object_t *, video_format_t *,
59 static void DeleteEncoder( encoder_t * );
60 static filter_t *CreateFilter( vlc_object_t *, es_format_t *,
61 video_format_t *, const char * );
62 static void DeleteFilter( filter_t * );
64 static vlc_fourcc_t Ext2Fourcc( const char * );
65 /*static const char *Fourcc2Ext( vlc_fourcc_t );*/
68 * Create an image_handler_t instance
71 image_handler_t *__image_HandlerCreate( vlc_object_t *p_this )
73 image_handler_t *p_image = malloc( sizeof(image_handler_t) );
75 memset( p_image, 0, sizeof(image_handler_t) );
76 p_image->p_parent = p_this;
78 p_image->pf_read = ImageRead;
79 p_image->pf_read_url = ImageReadUrl;
80 p_image->pf_write = ImageWrite;
81 p_image->pf_write_url = ImageWriteUrl;
82 p_image->pf_convert = ImageConvert;
83 p_image->pf_filter = ImageFilter;
89 * Delete the image_handler_t instance
92 void image_HandlerDelete( image_handler_t *p_image )
94 if( !p_image ) return;
96 if( p_image->p_dec ) DeleteDecoder( p_image->p_dec );
97 if( p_image->p_enc ) DeleteEncoder( p_image->p_enc );
98 if( p_image->p_filter ) DeleteFilter( p_image->p_filter );
109 static picture_t *ImageRead( image_handler_t *p_image, block_t *p_block,
110 video_format_t *p_fmt_in,
111 video_format_t *p_fmt_out )
113 picture_t *p_pic = NULL, *p_tmp;
115 /* Check if we can reuse the current decoder */
116 if( p_image->p_dec &&
117 p_image->p_dec->fmt_in.i_codec != p_fmt_in->i_chroma )
119 DeleteDecoder( p_image->p_dec );
123 /* Start a decoder */
124 if( !p_image->p_dec )
126 p_image->p_dec = CreateDecoder( p_image->p_parent, p_fmt_in );
127 if( !p_image->p_dec ) return NULL;
130 p_block->i_pts = p_block->i_dts = mdate();
131 while( (p_tmp = p_image->p_dec->pf_decode_video( p_image->p_dec, &p_block ))
135 p_pic->pf_release( p_pic );
141 msg_Warn( p_image->p_parent, "no image decoded" );
145 if( !p_fmt_out->i_chroma )
146 p_fmt_out->i_chroma = p_image->p_dec->fmt_out.video.i_chroma;
147 if( !p_fmt_out->i_width && p_fmt_out->i_height )
148 p_fmt_out->i_width = p_fmt_out->i_height
149 * p_image->p_dec->fmt_out.video.i_aspect
150 / VOUT_ASPECT_FACTOR;
151 if( !p_fmt_out->i_height && p_fmt_out->i_width )
152 p_fmt_out->i_height = p_fmt_out->i_width * VOUT_ASPECT_FACTOR
153 / p_image->p_dec->fmt_out.video.i_aspect;
154 if( !p_fmt_out->i_width )
155 p_fmt_out->i_width = p_image->p_dec->fmt_out.video.i_width;
156 if( !p_fmt_out->i_height )
157 p_fmt_out->i_height = p_image->p_dec->fmt_out.video.i_height;
159 /* Check if we need chroma conversion or resizing */
160 if( p_image->p_dec->fmt_out.video.i_chroma != p_fmt_out->i_chroma ||
161 p_image->p_dec->fmt_out.video.i_width != p_fmt_out->i_width ||
162 p_image->p_dec->fmt_out.video.i_height != p_fmt_out->i_height )
164 if( p_image->p_filter )
165 if( p_image->p_filter->fmt_in.video.i_chroma !=
166 p_image->p_dec->fmt_out.video.i_chroma ||
167 p_image->p_filter->fmt_out.video.i_chroma != p_fmt_out->i_chroma )
169 /* We need to restart a new filter */
170 DeleteFilter( p_image->p_filter );
171 p_image->p_filter = 0;
175 if( !p_image->p_filter )
178 CreateFilter( p_image->p_parent, &p_image->p_dec->fmt_out,
181 if( !p_image->p_filter )
183 p_pic->pf_release( p_pic );
189 /* Filters should handle on-the-fly size changes */
190 p_image->p_filter->fmt_in = p_image->p_dec->fmt_out;
191 p_image->p_filter->fmt_out = p_image->p_dec->fmt_out;
192 p_image->p_filter->fmt_out.i_codec = p_fmt_out->i_chroma;
193 p_image->p_filter->fmt_out.video = *p_fmt_out;
196 p_pic = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
197 *p_fmt_out = p_image->p_filter->fmt_out.video;
199 else *p_fmt_out = p_image->p_dec->fmt_out.video;
204 static picture_t *ImageReadUrl( image_handler_t *p_image, const char *psz_url,
205 video_format_t *p_fmt_in,
206 video_format_t *p_fmt_out )
210 stream_t *p_stream = NULL;
213 p_stream = stream_UrlNew( p_image->p_parent, psz_url );
217 msg_Dbg( p_image->p_parent, "could not open %s for reading",
222 i_size = stream_Size( p_stream );
224 p_block = block_New( p_image->p_parent, i_size );
226 stream_Read( p_stream, p_block->p_buffer, i_size );
227 stream_Delete( p_stream );
229 if( !p_fmt_in->i_chroma )
231 /* Try to guess format from file name */
232 p_fmt_in->i_chroma = Ext2Fourcc( psz_url );
235 p_pic = ImageRead( p_image, p_block, p_fmt_in, p_fmt_out );
245 static void PicRelease( picture_t *p_pic ){};
247 static block_t *ImageWrite( image_handler_t *p_image, picture_t *p_pic,
248 video_format_t *p_fmt_in,
249 video_format_t *p_fmt_out )
252 void (*pf_release)( picture_t * );
254 /* Check if we can reuse the current encoder */
255 if( p_image->p_enc &&
256 ( p_image->p_enc->fmt_out.i_codec != p_fmt_out->i_chroma ||
257 p_image->p_enc->fmt_out.video.i_width != p_fmt_out->i_width ||
258 p_image->p_enc->fmt_out.video.i_height != p_fmt_out->i_height ) )
260 DeleteEncoder( p_image->p_enc );
264 /* Start an encoder */
265 if( !p_image->p_enc )
267 p_image->p_enc = CreateEncoder( p_image->p_parent,
268 p_fmt_in, p_fmt_out );
269 if( !p_image->p_enc ) return NULL;
272 /* Check if we need chroma conversion or resizing */
273 if( p_image->p_enc->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
274 p_image->p_enc->fmt_in.video.i_width != p_fmt_in->i_width ||
275 p_image->p_enc->fmt_in.video.i_height != p_fmt_in->i_height )
277 picture_t *p_tmp_pic;
279 if( p_image->p_filter )
280 if( p_image->p_filter->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
281 p_image->p_filter->fmt_out.video.i_chroma !=
282 p_image->p_enc->fmt_in.video.i_chroma )
284 /* We need to restart a new filter */
285 DeleteFilter( p_image->p_filter );
286 p_image->p_filter = 0;
290 if( !p_image->p_filter )
293 es_format_Init( &fmt_in, VIDEO_ES, p_fmt_in->i_chroma );
294 fmt_in.video = *p_fmt_in;
297 CreateFilter( p_image->p_parent, &fmt_in,
298 &p_image->p_enc->fmt_in.video, NULL );
300 if( !p_image->p_filter )
307 /* Filters should handle on-the-fly size changes */
308 p_image->p_filter->fmt_in.i_codec = p_fmt_in->i_chroma;
309 p_image->p_filter->fmt_out.video = *p_fmt_in;
310 p_image->p_filter->fmt_out.i_codec =p_image->p_enc->fmt_in.i_codec;
311 p_image->p_filter->fmt_out.video = p_image->p_enc->fmt_in.video;
314 pf_release = p_pic->pf_release;
315 p_pic->pf_release = PicRelease; /* Small hack */
317 p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
318 p_pic->pf_release = pf_release;
320 p_block = p_image->p_enc->pf_encode_video( p_image->p_enc, p_tmp_pic );
322 p_image->p_filter->pf_vout_buffer_del( p_image->p_filter, p_tmp_pic );
326 p_block = p_image->p_enc->pf_encode_video( p_image->p_enc, p_pic );
331 msg_Dbg( p_image->p_parent, "no image encoded" );
338 static int ImageWriteUrl( image_handler_t *p_image, picture_t *p_pic,
339 video_format_t *p_fmt_in, video_format_t *p_fmt_out,
340 const char *psz_url )
345 if( !p_fmt_out->i_chroma )
347 /* Try to guess format from file name */
348 p_fmt_out->i_chroma = Ext2Fourcc( psz_url );
351 file = utf8_fopen( psz_url, "wb" );
354 msg_Dbg( p_image->p_parent, "could not open file %s for writing",
359 p_block = ImageWrite( p_image, p_pic, p_fmt_in, p_fmt_out );
363 fwrite( p_block->p_buffer, sizeof(char), p_block->i_buffer, file );
364 block_Release( p_block );
369 return p_block ? VLC_SUCCESS : VLC_EGENERIC;
373 * Convert an image to a different format
377 static picture_t *ImageConvert( image_handler_t *p_image, picture_t *p_pic,
378 video_format_t *p_fmt_in,
379 video_format_t *p_fmt_out )
381 void (*pf_release)( picture_t * );
384 if( !p_fmt_out->i_width && !p_fmt_out->i_height &&
385 p_fmt_out->i_sar_num && p_fmt_out->i_sar_den &&
386 p_fmt_out->i_sar_num * p_fmt_in->i_sar_den !=
387 p_fmt_out->i_sar_den * p_fmt_in->i_sar_num )
390 p_fmt_in->i_sar_num * (int64_t)p_fmt_out->i_sar_den *
391 p_fmt_in->i_width / p_fmt_in->i_sar_den / p_fmt_out->i_sar_num;
392 p_fmt_out->i_visible_width =
393 p_fmt_in->i_sar_num * (int64_t)p_fmt_out->i_sar_den *
394 p_fmt_in->i_visible_width / p_fmt_in->i_sar_den /
395 p_fmt_out->i_sar_num;
398 if( !p_fmt_out->i_chroma ) p_fmt_out->i_chroma = p_fmt_in->i_chroma;
399 if( !p_fmt_out->i_width )
400 p_fmt_out->i_width = p_fmt_out->i_visible_width = p_fmt_in->i_width;
401 if( !p_fmt_out->i_height )
402 p_fmt_out->i_height = p_fmt_out->i_visible_height = p_fmt_in->i_height;
403 if( !p_fmt_out->i_sar_num ) p_fmt_out->i_sar_num = p_fmt_in->i_sar_num;
404 if( !p_fmt_out->i_sar_den ) p_fmt_out->i_sar_den = p_fmt_in->i_sar_den;
405 if( !p_fmt_out->i_aspect ) p_fmt_out->i_aspect = p_fmt_in->i_aspect;
407 if( p_image->p_filter )
408 if( p_image->p_filter->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
409 p_image->p_filter->fmt_out.video.i_chroma != p_fmt_out->i_chroma )
411 /* We need to restart a new filter */
412 DeleteFilter( p_image->p_filter );
413 p_image->p_filter = NULL;
417 if( !p_image->p_filter )
420 es_format_Init( &fmt_in, VIDEO_ES, p_fmt_in->i_chroma );
421 fmt_in.video = *p_fmt_in;
424 CreateFilter( p_image->p_parent, &fmt_in, p_fmt_out, NULL );
426 if( !p_image->p_filter )
433 /* Filters should handle on-the-fly size changes */
434 p_image->p_filter->fmt_in.video = *p_fmt_in;
435 p_image->p_filter->fmt_out.video = *p_fmt_out;
438 pf_release = p_pic->pf_release;
439 p_pic->pf_release = PicRelease; /* Small hack */
440 p_pif = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
441 p_pic->pf_release = pf_release;
443 if( p_fmt_in->i_chroma == p_fmt_out->i_chroma &&
444 p_fmt_in->i_width == p_fmt_out->i_width &&
445 p_fmt_in->i_height == p_fmt_out->i_height )
447 /* Duplicate image */
448 p_pif = p_image->p_filter->pf_vout_buffer_new( p_image->p_filter );
449 if( p_pif ) vout_CopyPicture( p_image->p_parent, p_pif, p_pic );
456 * Filter an image with a psz_module filter
460 static picture_t *ImageFilter( image_handler_t *p_image, picture_t *p_pic,
461 video_format_t *p_fmt, const char *psz_module )
463 void (*pf_release)( picture_t * );
467 if( !p_image->p_filter )
470 es_format_Init( &fmt, VIDEO_ES, p_fmt->i_chroma );
474 CreateFilter( p_image->p_parent, &fmt, &fmt.video, psz_module );
476 if( !p_image->p_filter )
483 /* Filters should handle on-the-fly size changes */
484 p_image->p_filter->fmt_in.video = *p_fmt;
485 p_image->p_filter->fmt_out.video = *p_fmt;
488 pf_release = p_pic->pf_release;
489 p_pic->pf_release = PicRelease; /* Small hack */
490 p_pif = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
491 p_pic->pf_release = pf_release;
502 vlc_fourcc_t i_codec;
507 { VLC_FOURCC('j','p','e','g'), "jpeg" },
508 { VLC_FOURCC('j','p','e','g'), "jpg" },
509 { VLC_FOURCC('l','j','p','g'), "ljpg" },
510 { VLC_FOURCC('p','n','g',' '), "png" },
511 { VLC_FOURCC('p','g','m',' '), "pgm" },
512 { VLC_FOURCC('p','g','m','y'), "pgmyuv" },
513 { VLC_FOURCC('p','b','m',' '), "pbm" },
514 { VLC_FOURCC('p','a','m',' '), "pam" },
515 { VLC_FOURCC('t','g','a',' '), "tga" },
516 { VLC_FOURCC('b','m','p',' '), "bmp" },
517 { VLC_FOURCC('p','n','m',' '), "pnm" },
518 { VLC_FOURCC('x','p','m',' '), "xpm" },
519 { VLC_FOURCC('x','c','f',' '), "xcf" },
520 { VLC_FOURCC('p','c','x',' '), "pcx" },
521 { VLC_FOURCC('g','i','f',' '), "gif" },
522 { VLC_FOURCC('t','i','f','f'), "tif" },
523 { VLC_FOURCC('t','i','f','f'), "tiff" },
524 { VLC_FOURCC('l','b','m',' '), "lbm" },
528 static vlc_fourcc_t Ext2Fourcc( const char *psz_name )
532 psz_name = strrchr( psz_name, '.' );
533 if( !psz_name ) return 0;
536 for( i = 0; ext_table[i].i_codec; i++ )
539 for( j = 0; toupper(ext_table[i].psz_ext[j]) == toupper(psz_name[j]);
542 if( !ext_table[i].psz_ext[j] && !psz_name[j] )
543 return ext_table[i].i_codec;
551 static const char *Fourcc2Ext( vlc_fourcc_t i_codec )
555 for( i = 0; ext_table[i].i_codec != 0; i++ )
557 if( ext_table[i].i_codec == i_codec ) return ext_table[i].psz_ext;
564 static void video_release_buffer( picture_t *p_pic )
566 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
567 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
568 if( p_pic ) free( p_pic );
571 static picture_t *video_new_buffer( decoder_t *p_dec )
573 picture_t *p_pic = malloc( sizeof(picture_t) );
575 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
576 vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
577 p_dec->fmt_out.video.i_chroma,
578 p_dec->fmt_out.video.i_width,
579 p_dec->fmt_out.video.i_height,
580 p_dec->fmt_out.video.i_aspect );
582 if( !p_pic->i_planes )
588 p_pic->pf_release = video_release_buffer;
589 p_pic->i_status = RESERVED_PICTURE;
595 static void video_del_buffer( decoder_t *p_dec, picture_t *p_pic )
597 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
598 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
599 if( p_pic ) free( p_pic );
602 static void video_link_picture( decoder_t *p_dec, picture_t *p_pic )
606 static void video_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
610 static decoder_t *CreateDecoder( vlc_object_t *p_this, video_format_t *fmt )
614 p_dec = vlc_object_create( p_this, VLC_OBJECT_DECODER );
617 msg_Err( p_this, "out of memory" );
621 p_dec->p_module = NULL;
622 es_format_Init( &p_dec->fmt_in, VIDEO_ES, fmt->i_chroma );
623 es_format_Init( &p_dec->fmt_out, VIDEO_ES, 0 );
624 p_dec->fmt_in.video = *fmt;
625 p_dec->b_pace_control = VLC_TRUE;
627 p_dec->pf_vout_buffer_new = video_new_buffer;
628 p_dec->pf_vout_buffer_del = video_del_buffer;
629 p_dec->pf_picture_link = video_link_picture;
630 p_dec->pf_picture_unlink = video_unlink_picture;
632 vlc_object_attach( p_dec, p_this );
634 /* Find a suitable decoder module */
635 p_dec->p_module = module_Need( p_dec, "decoder", "$codec", 0 );
636 if( !p_dec->p_module )
638 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'.\n"
639 "VLC probably does not support this image format.",
640 (char*)&p_dec->fmt_in.i_codec );
642 DeleteDecoder( p_dec );
649 static void DeleteDecoder( decoder_t * p_dec )
651 vlc_object_detach( p_dec );
653 if( p_dec->p_module ) module_Unneed( p_dec, p_dec->p_module );
655 es_format_Clean( &p_dec->fmt_in );
656 es_format_Clean( &p_dec->fmt_out );
658 vlc_object_destroy( p_dec );
662 static encoder_t *CreateEncoder( vlc_object_t *p_this, video_format_t *fmt_in,
663 video_format_t *fmt_out )
667 p_enc = vlc_object_create( p_this, VLC_OBJECT_ENCODER );
670 msg_Err( p_this, "out of memory" );
674 p_enc->p_module = NULL;
675 es_format_Init( &p_enc->fmt_in, VIDEO_ES, fmt_in->i_chroma );
676 p_enc->fmt_in.video = *fmt_in;
677 if( fmt_out->i_width > 0 && fmt_out->i_height > 0 )
679 p_enc->fmt_in.video.i_width = fmt_out->i_width;
680 p_enc->fmt_in.video.i_height = fmt_out->i_height;
682 if( fmt_out->i_visible_width > 0 &&
683 fmt_out->i_visible_height > 0 )
685 p_enc->fmt_in.video.i_visible_width = fmt_out->i_visible_width;
686 p_enc->fmt_in.video.i_visible_height = fmt_out->i_visible_height;
690 p_enc->fmt_in.video.i_visible_width = fmt_out->i_width;
691 p_enc->fmt_in.video.i_visible_height = fmt_out->i_height;
694 else if( fmt_out->i_sar_num && fmt_out->i_sar_den &&
695 fmt_out->i_sar_num * fmt_in->i_sar_den !=
696 fmt_out->i_sar_den * fmt_in->i_sar_num )
698 p_enc->fmt_in.video.i_width =
699 fmt_in->i_sar_num * (int64_t)fmt_out->i_sar_den * fmt_in->i_width /
700 fmt_in->i_sar_den / fmt_out->i_sar_num;
701 p_enc->fmt_in.video.i_visible_width =
702 fmt_in->i_sar_num * (int64_t)fmt_out->i_sar_den *
703 fmt_in->i_visible_width / fmt_in->i_sar_den / fmt_out->i_sar_num;
706 p_enc->fmt_in.video.i_frame_rate = 25;
707 p_enc->fmt_in.video.i_frame_rate_base = 1;
709 es_format_Init( &p_enc->fmt_out, VIDEO_ES, fmt_out->i_chroma );
710 p_enc->fmt_out.video = *fmt_out;
711 p_enc->fmt_out.video.i_width = p_enc->fmt_in.video.i_width;
712 p_enc->fmt_out.video.i_height = p_enc->fmt_in.video.i_height;
714 vlc_object_attach( p_enc, p_this );
716 /* Find a suitable decoder module */
717 p_enc->p_module = module_Need( p_enc, "encoder", 0, 0 );
718 if( !p_enc->p_module )
720 msg_Err( p_enc, "no suitable encoder module for fourcc `%4.4s'.\n"
721 "VLC probably does not support this image format.",
722 (char*)&p_enc->fmt_out.i_codec );
724 DeleteEncoder( p_enc );
727 p_enc->fmt_in.video.i_chroma = p_enc->fmt_in.i_codec;
732 static void DeleteEncoder( encoder_t * p_enc )
734 vlc_object_detach( p_enc );
736 if( p_enc->p_module ) module_Unneed( p_enc, p_enc->p_module );
738 es_format_Clean( &p_enc->fmt_in );
739 es_format_Clean( &p_enc->fmt_out );
741 vlc_object_destroy( p_enc );
745 static filter_t *CreateFilter( vlc_object_t *p_this, es_format_t *p_fmt_in,
746 video_format_t *p_fmt_out,
747 const char *psz_module )
751 p_filter = vlc_object_create( p_this, VLC_OBJECT_FILTER );
752 vlc_object_attach( p_filter, p_this );
754 p_filter->pf_vout_buffer_new =
755 (picture_t *(*)(filter_t *))video_new_buffer;
756 p_filter->pf_vout_buffer_del =
757 (void (*)(filter_t *, picture_t *))video_del_buffer;
759 p_filter->fmt_in = *p_fmt_in;
760 p_filter->fmt_out = *p_fmt_in;
761 p_filter->fmt_out.i_codec = p_fmt_out->i_chroma;
762 p_filter->fmt_out.video = *p_fmt_out;
763 p_filter->p_module = module_Need( p_filter, "video filter2",
766 if( !p_filter->p_module )
768 msg_Dbg( p_filter, "no video filter found" );
769 DeleteFilter( p_filter );
776 static void DeleteFilter( filter_t * p_filter )
778 vlc_object_detach( p_filter );
780 if( p_filter->p_module ) module_Unneed( p_filter, p_filter->p_module );
782 es_format_Clean( &p_filter->fmt_in );
783 es_format_Clean( &p_filter->fmt_out );
785 vlc_object_destroy( p_filter );