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/decoder.h>
35 #include <vlc_filter.h>
36 #include <vlc_image.h>
37 #include <vlc_stream.h>
40 static picture_t *ImageRead( image_handler_t *, block_t *,
41 video_format_t *, video_format_t * );
42 static picture_t *ImageReadUrl( image_handler_t *, const char *,
43 video_format_t *, video_format_t * );
44 static block_t *ImageWrite( image_handler_t *, picture_t *,
45 video_format_t *, video_format_t * );
46 static int ImageWriteUrl( image_handler_t *, picture_t *,
47 video_format_t *, video_format_t *, const char * );
49 static picture_t *ImageConvert( image_handler_t *, picture_t *,
50 video_format_t *, video_format_t * );
51 static picture_t *ImageFilter( image_handler_t *, picture_t *,
52 video_format_t *, const char *psz_module );
54 static decoder_t *CreateDecoder( vlc_object_t *, video_format_t * );
55 static void DeleteDecoder( decoder_t * );
56 static encoder_t *CreateEncoder( vlc_object_t *, video_format_t *,
58 static void DeleteEncoder( encoder_t * );
59 static filter_t *CreateFilter( vlc_object_t *, es_format_t *,
60 video_format_t *, const char * );
61 static void DeleteFilter( filter_t * );
63 static vlc_fourcc_t Ext2Fourcc( const char * );
64 /*static const char *Fourcc2Ext( vlc_fourcc_t );*/
67 * Create an image_handler_t instance
70 image_handler_t *__image_HandlerCreate( vlc_object_t *p_this )
72 image_handler_t *p_image = malloc( sizeof(image_handler_t) );
74 memset( p_image, 0, sizeof(image_handler_t) );
75 p_image->p_parent = p_this;
77 p_image->pf_read = ImageRead;
78 p_image->pf_read_url = ImageReadUrl;
79 p_image->pf_write = ImageWrite;
80 p_image->pf_write_url = ImageWriteUrl;
81 p_image->pf_convert = ImageConvert;
82 p_image->pf_filter = ImageFilter;
88 * Delete the image_handler_t instance
91 void image_HandlerDelete( image_handler_t *p_image )
93 if( !p_image ) return;
95 if( p_image->p_dec ) DeleteDecoder( p_image->p_dec );
96 if( p_image->p_enc ) DeleteEncoder( p_image->p_enc );
97 if( p_image->p_filter ) DeleteFilter( p_image->p_filter );
107 static picture_t *ImageRead( image_handler_t *p_image, block_t *p_block,
108 video_format_t *p_fmt_in,
109 video_format_t *p_fmt_out )
111 picture_t *p_pic = NULL, *p_tmp;
113 /* Check if we can reuse the current decoder */
114 if( p_image->p_dec &&
115 p_image->p_dec->fmt_in.i_codec != p_fmt_in->i_chroma )
117 DeleteDecoder( p_image->p_dec );
121 /* Start a decoder */
122 if( !p_image->p_dec )
124 p_image->p_dec = CreateDecoder( p_image->p_parent, p_fmt_in );
125 if( !p_image->p_dec ) return NULL;
128 p_block->i_pts = p_block->i_dts = mdate();
129 while( (p_tmp = p_image->p_dec->pf_decode_video( p_image->p_dec, &p_block ))
133 p_pic->pf_release( p_pic );
139 msg_Warn( p_image->p_parent, "no image decoded" );
143 if( !p_fmt_out->i_chroma )
144 p_fmt_out->i_chroma = p_image->p_dec->fmt_out.video.i_chroma;
145 if( !p_fmt_out->i_width && p_fmt_out->i_height )
146 p_fmt_out->i_width = p_fmt_out->i_height
147 * p_image->p_dec->fmt_out.video.i_aspect
148 / VOUT_ASPECT_FACTOR;
149 if( !p_fmt_out->i_height && p_fmt_out->i_width )
150 p_fmt_out->i_height = p_fmt_out->i_width * VOUT_ASPECT_FACTOR
151 / p_image->p_dec->fmt_out.video.i_aspect;
152 if( !p_fmt_out->i_width )
153 p_fmt_out->i_width = p_image->p_dec->fmt_out.video.i_width;
154 if( !p_fmt_out->i_height )
155 p_fmt_out->i_height = p_image->p_dec->fmt_out.video.i_height;
157 /* Check if we need chroma conversion or resizing */
158 if( p_image->p_dec->fmt_out.video.i_chroma != p_fmt_out->i_chroma ||
159 p_image->p_dec->fmt_out.video.i_width != p_fmt_out->i_width ||
160 p_image->p_dec->fmt_out.video.i_height != p_fmt_out->i_height )
162 if( p_image->p_filter )
163 if( p_image->p_filter->fmt_in.video.i_chroma !=
164 p_image->p_dec->fmt_out.video.i_chroma ||
165 p_image->p_filter->fmt_out.video.i_chroma != p_fmt_out->i_chroma )
167 /* We need to restart a new filter */
168 DeleteFilter( p_image->p_filter );
169 p_image->p_filter = 0;
173 if( !p_image->p_filter )
176 CreateFilter( p_image->p_parent, &p_image->p_dec->fmt_out,
179 if( !p_image->p_filter )
181 p_pic->pf_release( p_pic );
187 /* Filters should handle on-the-fly size changes */
188 p_image->p_filter->fmt_in = p_image->p_dec->fmt_out;
189 p_image->p_filter->fmt_out = p_image->p_dec->fmt_out;
190 p_image->p_filter->fmt_out.i_codec = p_fmt_out->i_chroma;
191 p_image->p_filter->fmt_out.video = *p_fmt_out;
194 p_pic = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
195 *p_fmt_out = p_image->p_filter->fmt_out.video;
197 else *p_fmt_out = p_image->p_dec->fmt_out.video;
202 static picture_t *ImageReadUrl( image_handler_t *p_image, const char *psz_url,
203 video_format_t *p_fmt_in,
204 video_format_t *p_fmt_out )
208 stream_t *p_stream = NULL;
211 p_stream = stream_UrlNew( p_image->p_parent, psz_url );
214 msg_Dbg( p_image->p_parent, "could not open %s for reading",
219 i_size = stream_Size( p_stream );
221 p_block = block_New( p_image->p_parent, i_size );
223 stream_Read( p_stream, p_block->p_buffer, i_size );
224 stream_Delete( p_stream );
226 if( !p_fmt_in->i_chroma )
228 /* Try to guess format from file name */
229 p_fmt_in->i_chroma = Ext2Fourcc( psz_url );
232 p_pic = ImageRead( p_image, p_block, p_fmt_in, p_fmt_out );
242 void PicRelease( picture_t *p_pic ){};
244 static block_t *ImageWrite( image_handler_t *p_image, picture_t *p_pic,
245 video_format_t *p_fmt_in,
246 video_format_t *p_fmt_out )
249 void (*pf_release)( picture_t * );
251 /* Check if we can reuse the current encoder */
252 if( p_image->p_enc &&
253 ( p_image->p_enc->fmt_out.i_codec != p_fmt_out->i_chroma ||
254 p_image->p_enc->fmt_out.video.i_width != p_fmt_out->i_width ||
255 p_image->p_enc->fmt_out.video.i_height != p_fmt_out->i_height ) )
257 DeleteEncoder( p_image->p_enc );
261 /* Start an encoder */
262 if( !p_image->p_enc )
264 p_image->p_enc = CreateEncoder( p_image->p_parent,
265 p_fmt_in, p_fmt_out );
266 if( !p_image->p_enc ) return NULL;
269 /* Check if we need chroma conversion or resizing */
270 if( p_image->p_enc->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
271 p_image->p_enc->fmt_in.video.i_width != p_fmt_in->i_width ||
272 p_image->p_enc->fmt_in.video.i_height != p_fmt_in->i_height )
274 picture_t *p_tmp_pic;
276 if( p_image->p_filter )
277 if( p_image->p_filter->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
278 p_image->p_filter->fmt_out.video.i_chroma !=
279 p_image->p_enc->fmt_in.video.i_chroma )
281 /* We need to restart a new filter */
282 DeleteFilter( p_image->p_filter );
283 p_image->p_filter = 0;
287 if( !p_image->p_filter )
290 es_format_Init( &fmt_in, VIDEO_ES, p_fmt_in->i_chroma );
291 fmt_in.video = *p_fmt_in;
294 CreateFilter( p_image->p_parent, &fmt_in,
295 &p_image->p_enc->fmt_in.video, NULL );
297 if( !p_image->p_filter )
304 /* Filters should handle on-the-fly size changes */
305 p_image->p_filter->fmt_in.i_codec = p_fmt_in->i_chroma;
306 p_image->p_filter->fmt_out.video = *p_fmt_in;
307 p_image->p_filter->fmt_out.i_codec =p_image->p_enc->fmt_in.i_codec;
308 p_image->p_filter->fmt_out.video = p_image->p_enc->fmt_in.video;
311 pf_release = p_pic->pf_release;
312 p_pic->pf_release = PicRelease; /* Small hack */
314 p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
315 p_pic->pf_release = pf_release;
317 p_block = p_image->p_enc->pf_encode_video( p_image->p_enc, p_tmp_pic );
319 p_image->p_filter->pf_vout_buffer_del( p_image->p_filter, p_tmp_pic );
323 p_block = p_image->p_enc->pf_encode_video( p_image->p_enc, p_pic );
328 msg_Dbg( p_image->p_parent, "no image encoded" );
335 static int ImageWriteUrl( image_handler_t *p_image, picture_t *p_pic,
336 video_format_t *p_fmt_in, video_format_t *p_fmt_out,
337 const char *psz_url )
342 if( !p_fmt_out->i_chroma )
344 /* Try to guess format from file name */
345 p_fmt_out->i_chroma = Ext2Fourcc( psz_url );
348 file = utf8_fopen( psz_url, "wb" );
351 msg_Dbg( p_image->p_parent, "could not open file %s for writing",
356 p_block = ImageWrite( p_image, p_pic, p_fmt_in, p_fmt_out );
360 fwrite( p_block->p_buffer, sizeof(char), p_block->i_buffer, file );
361 block_Release( p_block );
366 return p_block ? VLC_SUCCESS : VLC_EGENERIC;
370 * Convert an image to a different format
374 static picture_t *ImageConvert( image_handler_t *p_image, picture_t *p_pic,
375 video_format_t *p_fmt_in,
376 video_format_t *p_fmt_out )
378 void (*pf_release)( picture_t * );
381 if( !p_fmt_out->i_width && !p_fmt_out->i_height &&
382 p_fmt_out->i_sar_num && p_fmt_out->i_sar_den &&
383 p_fmt_out->i_sar_num * p_fmt_in->i_sar_den !=
384 p_fmt_out->i_sar_den * p_fmt_in->i_sar_num )
387 p_fmt_in->i_sar_num * (int64_t)p_fmt_out->i_sar_den *
388 p_fmt_in->i_width / p_fmt_in->i_sar_den / p_fmt_out->i_sar_num;
389 p_fmt_out->i_visible_width =
390 p_fmt_in->i_sar_num * (int64_t)p_fmt_out->i_sar_den *
391 p_fmt_in->i_visible_width / p_fmt_in->i_sar_den /
392 p_fmt_out->i_sar_num;
395 if( !p_fmt_out->i_chroma ) p_fmt_out->i_chroma = p_fmt_in->i_chroma;
396 if( !p_fmt_out->i_width )
397 p_fmt_out->i_width = p_fmt_out->i_visible_width = p_fmt_in->i_width;
398 if( !p_fmt_out->i_height )
399 p_fmt_out->i_height = p_fmt_out->i_visible_height = p_fmt_in->i_height;
400 if( !p_fmt_out->i_sar_num ) p_fmt_out->i_sar_num = p_fmt_in->i_sar_num;
401 if( !p_fmt_out->i_sar_den ) p_fmt_out->i_sar_den = p_fmt_in->i_sar_den;
402 if( !p_fmt_out->i_aspect ) p_fmt_out->i_aspect = p_fmt_in->i_aspect;
404 if( p_image->p_filter )
405 if( p_image->p_filter->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
406 p_image->p_filter->fmt_out.video.i_chroma != p_fmt_out->i_chroma )
408 /* We need to restart a new filter */
409 DeleteFilter( p_image->p_filter );
410 p_image->p_filter = 0;
414 if( !p_image->p_filter )
417 es_format_Init( &fmt_in, VIDEO_ES, p_fmt_in->i_chroma );
418 fmt_in.video = *p_fmt_in;
421 CreateFilter( p_image->p_parent, &fmt_in, p_fmt_out, NULL );
423 if( !p_image->p_filter )
430 /* Filters should handle on-the-fly size changes */
431 p_image->p_filter->fmt_in.video = *p_fmt_in;
432 p_image->p_filter->fmt_out.video = *p_fmt_out;
435 pf_release = p_pic->pf_release;
436 p_pic->pf_release = PicRelease; /* Small hack */
437 p_pif = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
438 p_pic->pf_release = pf_release;
440 if( p_fmt_in->i_chroma == p_fmt_out->i_chroma &&
441 p_fmt_in->i_width == p_fmt_out->i_width &&
442 p_fmt_in->i_height == p_fmt_out->i_height )
444 /* Duplicate image */
445 p_pif = p_image->p_filter->pf_vout_buffer_new( p_image->p_filter );
446 if( p_pif ) vout_CopyPicture( p_image->p_parent, p_pif, p_pic );
453 * Filter an image with a psz_module filter
457 static picture_t *ImageFilter( image_handler_t *p_image, picture_t *p_pic,
458 video_format_t *p_fmt, const char *psz_module )
460 void (*pf_release)( picture_t * );
464 if( !p_image->p_filter )
467 es_format_Init( &fmt, VIDEO_ES, p_fmt->i_chroma );
471 CreateFilter( p_image->p_parent, &fmt, &fmt.video, psz_module );
473 if( !p_image->p_filter )
480 /* Filters should handle on-the-fly size changes */
481 p_image->p_filter->fmt_in.video = *p_fmt;
482 p_image->p_filter->fmt_out.video = *p_fmt;
485 pf_release = p_pic->pf_release;
486 p_pic->pf_release = PicRelease; /* Small hack */
487 p_pif = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
488 p_pic->pf_release = pf_release;
499 vlc_fourcc_t i_codec;
504 { VLC_FOURCC('j','p','e','g'), "jpeg" },
505 { VLC_FOURCC('j','p','e','g'), "jpg" },
506 { VLC_FOURCC('l','j','p','g'), "ljpg" },
507 { VLC_FOURCC('p','n','g',' '), "png" },
508 { VLC_FOURCC('p','g','m',' '), "pgm" },
509 { VLC_FOURCC('p','g','m','y'), "pgmyuv" },
510 { VLC_FOURCC('p','b','m',' '), "pbm" },
511 { VLC_FOURCC('p','a','m',' '), "pam" },
512 { VLC_FOURCC('t','g','a',' '), "tga" },
513 { VLC_FOURCC('b','m','p',' '), "bmp" },
514 { VLC_FOURCC('p','n','m',' '), "pnm" },
515 { VLC_FOURCC('x','p','m',' '), "xpm" },
516 { VLC_FOURCC('x','c','f',' '), "xcf" },
517 { VLC_FOURCC('p','c','x',' '), "pcx" },
518 { VLC_FOURCC('g','i','f',' '), "gif" },
519 { VLC_FOURCC('t','i','f','f'), "tif" },
520 { VLC_FOURCC('t','i','f','f'), "tiff" },
521 { VLC_FOURCC('l','b','m',' '), "lbm" },
525 static vlc_fourcc_t Ext2Fourcc( const char *psz_name )
529 psz_name = strrchr( psz_name, '.' );
530 if( !psz_name ) return 0;
533 for( i = 0; ext_table[i].i_codec; i++ )
536 for( j = 0; toupper(ext_table[i].psz_ext[j]) == toupper(psz_name[j]);
539 if( !ext_table[i].psz_ext[j] && !psz_name[j] )
540 return ext_table[i].i_codec;
548 static const char *Fourcc2Ext( vlc_fourcc_t i_codec )
552 for( i = 0; ext_table[i].i_codec != 0; i++ )
554 if( ext_table[i].i_codec == i_codec ) return ext_table[i].psz_ext;
561 static void video_release_buffer( picture_t *p_pic )
563 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
564 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
565 if( p_pic ) free( p_pic );
568 static picture_t *video_new_buffer( decoder_t *p_dec )
570 picture_t *p_pic = malloc( sizeof(picture_t) );
572 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
573 vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
574 p_dec->fmt_out.video.i_chroma,
575 p_dec->fmt_out.video.i_width,
576 p_dec->fmt_out.video.i_height,
577 p_dec->fmt_out.video.i_aspect );
579 if( !p_pic->i_planes )
585 p_pic->pf_release = video_release_buffer;
586 p_pic->i_status = RESERVED_PICTURE;
592 static void video_del_buffer( decoder_t *p_dec, picture_t *p_pic )
594 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
595 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
596 if( p_pic ) free( p_pic );
599 static void video_link_picture( decoder_t *p_dec, picture_t *p_pic )
603 static void video_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
607 static decoder_t *CreateDecoder( vlc_object_t *p_this, video_format_t *fmt )
611 p_dec = vlc_object_create( p_this, VLC_OBJECT_DECODER );
614 msg_Err( p_this, "out of memory" );
618 p_dec->p_module = NULL;
619 es_format_Init( &p_dec->fmt_in, VIDEO_ES, fmt->i_chroma );
620 es_format_Init( &p_dec->fmt_out, VIDEO_ES, 0 );
621 p_dec->fmt_in.video = *fmt;
622 p_dec->b_pace_control = VLC_TRUE;
624 p_dec->pf_vout_buffer_new = video_new_buffer;
625 p_dec->pf_vout_buffer_del = video_del_buffer;
626 p_dec->pf_picture_link = video_link_picture;
627 p_dec->pf_picture_unlink = video_unlink_picture;
629 vlc_object_attach( p_dec, p_this );
631 /* Find a suitable decoder module */
632 p_dec->p_module = module_Need( p_dec, "decoder", "$codec", 0 );
633 if( !p_dec->p_module )
635 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'.\n"
636 "VLC probably does not support this image format.",
637 (char*)&p_dec->fmt_in.i_codec );
639 DeleteDecoder( p_dec );
646 static void DeleteDecoder( decoder_t * p_dec )
648 vlc_object_detach( p_dec );
650 if( p_dec->p_module ) module_Unneed( p_dec, p_dec->p_module );
652 es_format_Clean( &p_dec->fmt_in );
653 es_format_Clean( &p_dec->fmt_out );
655 vlc_object_destroy( p_dec );
658 static encoder_t *CreateEncoder( vlc_object_t *p_this, video_format_t *fmt_in,
659 video_format_t *fmt_out )
663 p_enc = vlc_object_create( p_this, VLC_OBJECT_ENCODER );
666 msg_Err( p_this, "out of memory" );
670 p_enc->p_module = NULL;
671 es_format_Init( &p_enc->fmt_in, VIDEO_ES, fmt_in->i_chroma );
672 p_enc->fmt_in.video = *fmt_in;
673 if( fmt_out->i_width > 0 && fmt_out->i_height > 0 )
675 p_enc->fmt_in.video.i_width = fmt_out->i_width;
676 p_enc->fmt_in.video.i_height = fmt_out->i_height;
678 if( fmt_out->i_visible_width > 0 &&
679 fmt_out->i_visible_height > 0 )
681 p_enc->fmt_in.video.i_visible_width = fmt_out->i_visible_width;
682 p_enc->fmt_in.video.i_visible_height = fmt_out->i_visible_height;
686 p_enc->fmt_in.video.i_visible_width = fmt_out->i_width;
687 p_enc->fmt_in.video.i_visible_height = fmt_out->i_height;
690 else if( fmt_out->i_sar_num && fmt_out->i_sar_den &&
691 fmt_out->i_sar_num * fmt_in->i_sar_den !=
692 fmt_out->i_sar_den * fmt_in->i_sar_num )
694 p_enc->fmt_in.video.i_width =
695 fmt_in->i_sar_num * (int64_t)fmt_out->i_sar_den * fmt_in->i_width /
696 fmt_in->i_sar_den / fmt_out->i_sar_num;
697 p_enc->fmt_in.video.i_visible_width =
698 fmt_in->i_sar_num * (int64_t)fmt_out->i_sar_den *
699 fmt_in->i_visible_width / fmt_in->i_sar_den / fmt_out->i_sar_num;
702 p_enc->fmt_in.video.i_frame_rate = 25;
703 p_enc->fmt_in.video.i_frame_rate_base = 1;
705 es_format_Init( &p_enc->fmt_out, VIDEO_ES, fmt_out->i_chroma );
706 p_enc->fmt_out.video = *fmt_out;
707 p_enc->fmt_out.video.i_width = p_enc->fmt_in.video.i_width;
708 p_enc->fmt_out.video.i_height = p_enc->fmt_in.video.i_height;
710 vlc_object_attach( p_enc, p_this );
712 /* Find a suitable decoder module */
713 p_enc->p_module = module_Need( p_enc, "encoder", 0, 0 );
714 if( !p_enc->p_module )
716 msg_Err( p_enc, "no suitable encoder module for fourcc `%4.4s'.\n"
717 "VLC probably does not support this image format.",
718 (char*)&p_enc->fmt_out.i_codec );
720 DeleteEncoder( p_enc );
723 p_enc->fmt_in.video.i_chroma = p_enc->fmt_in.i_codec;
728 static void DeleteEncoder( encoder_t * p_enc )
730 vlc_object_detach( p_enc );
732 if( p_enc->p_module ) module_Unneed( p_enc, p_enc->p_module );
734 es_format_Clean( &p_enc->fmt_in );
735 es_format_Clean( &p_enc->fmt_out );
737 vlc_object_destroy( p_enc );
740 static filter_t *CreateFilter( vlc_object_t *p_this, es_format_t *p_fmt_in,
741 video_format_t *p_fmt_out,
742 const char *psz_module )
746 p_filter = vlc_object_create( p_this, VLC_OBJECT_FILTER );
747 vlc_object_attach( p_filter, p_this );
749 p_filter->pf_vout_buffer_new =
750 (picture_t *(*)(filter_t *))video_new_buffer;
751 p_filter->pf_vout_buffer_del =
752 (void (*)(filter_t *, picture_t *))video_del_buffer;
754 p_filter->fmt_in = *p_fmt_in;
755 p_filter->fmt_out = *p_fmt_in;
756 p_filter->fmt_out.i_codec = p_fmt_out->i_chroma;
757 p_filter->fmt_out.video = *p_fmt_out;
758 p_filter->p_module = module_Need( p_filter, "video filter2", psz_module,
761 if( !p_filter->p_module )
763 msg_Dbg( p_filter, "no video filter found" );
764 DeleteFilter( p_filter );
771 static void DeleteFilter( filter_t * p_filter )
773 vlc_object_detach( p_filter );
775 if( p_filter->p_module ) module_Unneed( p_filter, p_filter->p_module );
777 es_format_Clean( &p_filter->fmt_in );
778 es_format_Clean( &p_filter->fmt_out );
780 vlc_object_destroy( p_filter );