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43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
/*****************************************************************************
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* ac3_downmix.h : AC3 downmix types
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: ac3_downmix.h,v 1.3 2001/05/15 16:19:42 sam Exp $
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*
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* Authors: Michel Kaempf <maxx@via.ecp.fr>
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* Renaud Dartus <reno@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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typedef struct dm_par_s {
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float unit;
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float clev;
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float slev;
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} dm_par_t;
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typedef struct downmix_s {
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/* Module used and shortcuts */
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struct module_s * p_module;
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void (*pf_downmix_3f_2r_to_2ch)(float *, dm_par_t * dm_par);
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void (*pf_downmix_3f_1r_to_2ch)(float *, dm_par_t * dm_par);
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void (*pf_downmix_2f_2r_to_2ch)(float *, dm_par_t * dm_par);
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void (*pf_downmix_2f_1r_to_2ch)(float *, dm_par_t * dm_par);
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void (*pf_downmix_3f_0r_to_2ch)(float *, dm_par_t * dm_par);
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void (*pf_stream_sample_2ch_to_s16)(s16 *, float *left, float *right);
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void (*pf_stream_sample_1ch_to_s16)(s16 *, float *center);
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} downmix_t;
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