[661] | 1 | //filter.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - August 2008 |
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| 5 | * |
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| 6 | * This file is part of libroardsp a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroardsp is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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| 25 | #include "libroardsp.h" |
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| 26 | |
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[663] | 27 | int roardsp_filter_init (struct roardsp_filter * filter, struct roar_stream * stream, int id) { |
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| 28 | if ( filter == NULL ) |
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| 29 | return -1; |
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| 30 | |
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| 31 | memset(filter, 0, sizeof(struct roardsp_filter)); |
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| 32 | |
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| 33 | filter->channels = stream->info.channels; |
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| 34 | filter->bits = stream->info.bits; |
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| 35 | |
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| 36 | return -1; |
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| 37 | } |
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| 38 | |
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| 39 | int roardsp_filter_uninit(struct roardsp_filter * filter) { |
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| 40 | int ret = 0; |
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| 41 | |
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| 42 | if ( filter == NULL ) |
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| 43 | return -1; |
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| 44 | |
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| 45 | if ( filter->uninit ) |
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| 46 | ret = filter->uninit(filter); |
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| 47 | |
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| 48 | memset(filter, 0, sizeof(struct roardsp_filter)); |
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| 49 | |
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| 50 | return ret; |
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| 51 | } |
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| 52 | |
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| 53 | int roardsp_filter_calc (struct roardsp_filter * filter, void * data, size_t len) { |
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| 54 | int ret = 0; |
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| 55 | |
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| 56 | if ( filter == NULL ) |
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| 57 | return -1; |
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| 58 | |
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| 59 | if ( filter->calc ) |
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| 60 | ret = filter->calc(filter, data, len); |
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| 61 | |
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| 62 | return ret; |
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| 63 | } |
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[661] | 64 | |
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| 65 | //ll |
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