| 1 | //filter_speex_prep.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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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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| 27 | #ifdef _SPEEX_TYPES_H |
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| 28 | // TODO: check parameters we allready know: |
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| 29 | int roardsp_speex_prep_init (struct roardsp_filter * filter, struct roar_stream * stream, int id) { |
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| 30 | struct roardsp_speex_prep * self; |
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| 31 | |
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| 32 | if ( filter->channels != 1 ) |
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| 33 | return -1; |
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| 34 | |
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| 35 | if ( filter->bits != 16 ) |
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| 36 | return -1; |
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| 37 | |
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| 38 | self = roar_mm_malloc(sizeof(struct roardsp_speex_prep)); |
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| 39 | |
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| 40 | if ( self == NULL ) |
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| 41 | return -1; |
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| 42 | |
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| 43 | memset(self, 0, sizeof(struct roardsp_speex_prep)); |
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| 44 | |
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| 45 | return 0; |
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| 46 | } |
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| 47 | |
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| 48 | int roardsp_speex_prep_uninit (struct roardsp_filter * filter) { |
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| 49 | struct roardsp_speex_prep * self = filter->inst; |
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| 50 | |
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| 51 | if ( self->preprocess != NULL ) |
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| 52 | speex_preprocess_state_destroy(self->preprocess); |
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| 53 | |
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| 54 | roar_mm_free(self); |
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| 55 | |
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| 56 | return 0; |
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| 57 | } |
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| 58 | |
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| 59 | int roardsp_speex_prep_ctl (struct roardsp_filter * filter, int cmd, void * data) { |
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| 60 | struct roardsp_speex_prep * self = filter->inst; |
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| 61 | size_t * val; |
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| 62 | |
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| 63 | switch (cmd) { |
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| 64 | case ROARDSP_FCTL_PACKET_SIZE: |
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| 65 | val = data; |
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| 66 | self->frame_size = *val; |
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| 67 | |
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| 68 | self->preprocess = speex_preprocess_state_init(self->frame_size, filter->rate); |
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| 69 | if ( self->preprocess == NULL ) |
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| 70 | return -1; |
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| 71 | |
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| 72 | return 0; |
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| 73 | break; |
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| 74 | } |
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| 75 | |
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| 76 | return -1; |
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| 77 | } |
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| 78 | |
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| 79 | int roardsp_speex_prep_reset (struct roardsp_filter * filter, int what) { |
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| 80 | if ( what == ROARDSP_RESET_NONE ) |
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| 81 | return 0; |
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| 82 | |
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| 83 | return -1; |
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| 84 | } |
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| 85 | #endif |
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| 86 | |
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| 87 | //ll |
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