1 /*****************************************************************************
2 * downmixsse.c : accelerated SSE AC3 downmix module
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: downmixsse.c,v 1.2 2001/05/30 17:03:12 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 #define MODULE_NAME downmixsse
25 #include "modules_inner.h"
27 /*****************************************************************************
29 *****************************************************************************/
40 #include "ac3_downmix.h"
41 #include "ac3_downmix_common.h"
45 /*****************************************************************************
46 * Local and extern prototypes.
47 *****************************************************************************/
48 static void downmix_getfunctions( function_list_t * p_function_list );
49 static int downmix_Probe ( probedata_t *p_data );
51 /*****************************************************************************
52 * Build configuration tree.
53 *****************************************************************************/
55 ADD_WINDOW( "Configuration for AC3 downmixsse module" )
56 ADD_COMMENT( "Ha, ha -- nothing to configure yet" )
60 p_module->i_capabilities = MODULE_CAPABILITY_NULL
61 | MODULE_CAPABILITY_DOWNMIX;
62 p_module->psz_longname = "SSE AC3 downmix module";
66 downmix_getfunctions( &p_module->p_functions->downmix );
69 MODULE_DEACTIVATE_START
70 MODULE_DEACTIVATE_STOP
72 /* Following functions are local */
74 /*****************************************************************************
75 * Functions exported as capabilities. They are declared as static so that
76 * we don't pollute the namespace too much.
77 *****************************************************************************/
78 static void downmix_getfunctions( function_list_t * p_function_list )
80 p_function_list->pf_probe = downmix_Probe;
81 #define F p_function_list->functions.downmix
82 F.pf_downmix_3f_2r_to_2ch = _M( downmix_3f_2r_to_2ch );
83 F.pf_downmix_3f_1r_to_2ch = _M( downmix_3f_1r_to_2ch );
84 F.pf_downmix_2f_2r_to_2ch = _M( downmix_2f_2r_to_2ch );
85 F.pf_downmix_2f_1r_to_2ch = _M( downmix_2f_1r_to_2ch );
86 F.pf_downmix_3f_0r_to_2ch = _M( downmix_3f_0r_to_2ch );
87 F.pf_stream_sample_2ch_to_s16 = _M( stream_sample_2ch_to_s16 );
88 F.pf_stream_sample_1ch_to_s16 = _M( stream_sample_1ch_to_s16 );
92 /*****************************************************************************
93 * downmix_Probe: returns a preference score
94 *****************************************************************************/
95 static int downmix_Probe( probedata_t *p_data )
97 if( !TestCPU( CPU_CAPABILITY_SSE ) )
102 if( TestMethod( DOWNMIX_METHOD_VAR, "downmixsse" ) )
107 /* This plugin always works */