[559] | 1 | //codecfilter_wave.c: |
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| 2 | |
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[668] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of roard 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 | * RoarAudio 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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[559] | 25 | #include "roard.h" |
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| 26 | |
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| 27 | int cf_wave_open(CODECFILTER_USERDATA_T * inst, int codec, |
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| 28 | struct roar_stream_server * info, |
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| 29 | struct roar_codecfilter * filter) { |
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| 30 | struct codecfilter_wave_inst * self = malloc(sizeof(struct codecfilter_wave_inst)); |
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[609] | 31 | struct roar_stream * s = ROAR_STREAM(info); |
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[559] | 32 | |
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| 33 | if ( !self ) |
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| 34 | return -1; |
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| 35 | |
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| 36 | self->stream = info; |
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| 37 | self->opened = 0; |
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| 38 | |
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| 39 | *inst = (CODECFILTER_USERDATA_T) self; |
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| 40 | |
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| 41 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
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| 42 | return 0; |
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| 43 | } |
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| 44 | |
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| 45 | int cf_wave_close(CODECFILTER_USERDATA_T inst) { |
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[562] | 46 | // struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
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[559] | 47 | |
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| 48 | if ( !inst ) |
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| 49 | return -1; |
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| 50 | |
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| 51 | free(inst); |
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| 52 | return 0; |
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| 53 | } |
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| 54 | |
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| 55 | int cf_wave_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 56 | struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
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| 57 | int r = -1; |
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[562] | 58 | char tbuf[44]; |
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[559] | 59 | struct roar_stream * s = ROAR_STREAM(self->stream); |
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| 60 | |
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| 61 | if ( self->opened ) { |
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[606] | 62 | return stream_vio_s_read(self->stream, buf, len); |
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[559] | 63 | } else { |
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[606] | 64 | if (stream_vio_s_read(self->stream, tbuf, 44) != 44) { |
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[559] | 65 | return -1; |
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| 66 | } |
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[565] | 67 | |
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| 68 | // TODO: write better code here! |
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| 69 | |
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[562] | 70 | memcpy(&(s->info.rate ), tbuf+24, 4); |
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| 71 | memcpy(&(s->info.channels), tbuf+22, 2); |
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| 72 | memcpy(&(s->info.bits ), tbuf+34, 2); |
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[559] | 73 | |
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[564] | 74 | self->opened = 1; |
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| 75 | |
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[559] | 76 | errno = EAGAIN; |
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| 77 | return -1; |
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| 78 | } |
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| 79 | |
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| 80 | return r; |
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| 81 | } |
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| 82 | |
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| 83 | int cf_wave_write(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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| 84 | struct codecfilter_wave_inst * self = (struct codecfilter_wave_inst *) inst; |
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| 85 | |
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| 86 | return 0; |
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| 87 | } |
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| 88 | |
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| 89 | //ll |
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