1 /*****************************************************************************
2 * imdct.c : IMDCT module
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: imdct.c,v 1.7 2001/12/30 07:09:55 sam Exp $
7 * Authors: Gaƫl Hendryckx <jimmy@via.ecp.fr>
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
30 #include <videolan/vlc.h>
32 #include "ac3_imdct.h"
33 #include "ac3_imdct_common.h"
35 /*****************************************************************************
36 * Local and extern prototypes.
37 *****************************************************************************/
38 static void imdct_getfunctions( function_list_t * p_function_list );
39 static int imdct_Probe ( probedata_t *p_data );
41 /*****************************************************************************
42 * Build configuration tree.
43 *****************************************************************************/
48 SET_DESCRIPTION( "AC3 IMDCT module" )
49 ADD_CAPABILITY( IMDCT, 50 )
51 ADD_SHORTCUT( "imdct" )
55 imdct_getfunctions( &p_module->p_functions->imdct );
58 MODULE_DEACTIVATE_START
59 MODULE_DEACTIVATE_STOP
61 /* Following functions are local */
63 /*****************************************************************************
64 * Functions exported as capabilities. They are declared as static so that
65 * we don't pollute the namespace too much.
66 *****************************************************************************/
67 static void imdct_getfunctions( function_list_t * p_function_list )
69 p_function_list->pf_probe = imdct_Probe;
70 #define F p_function_list->functions.imdct
71 F.pf_imdct_init = _M( imdct_init );
72 F.pf_imdct_256 = _M( imdct_do_256 );
73 F.pf_imdct_256_nol = _M( imdct_do_256_nol );
74 F.pf_imdct_512 = _M( imdct_do_512 );
75 F.pf_imdct_512_nol = _M( imdct_do_512_nol );
79 /*****************************************************************************
80 * imdct_Probe: returns a preference score
81 *****************************************************************************/
82 static int imdct_Probe( probedata_t *p_data )