[2639] | 1 | //vio_transcode.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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[2641] | 27 | int roar_vio_open_xcode (struct roar_vio_calls * calls, int encoder, struct roar_audio_info * info, |
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| 28 | struct roar_vio_calls * dst) { |
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| 29 | struct roar_xcoder * xcoder = malloc(sizeof(struct roar_xcoder)); |
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| 30 | |
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| 31 | if ( xcoder == NULL ) |
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| 32 | return -1; |
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| 33 | |
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| 34 | if ( calls == NULL || info == NULL || dst == NULL ) { |
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| 35 | free(xcoder); |
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| 36 | return -1; |
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| 37 | } |
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| 38 | |
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| 39 | if ( roar_xcoder_init(xcoder, encoder, info, dst) == -1 ) { |
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| 40 | free(xcoder); |
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| 41 | return -1; |
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| 42 | } |
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| 43 | |
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| 44 | memset(calls, 0, sizeof(struct roar_vio_calls)); |
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| 45 | |
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| 46 | calls->inst = (void*)xcoder; |
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| 47 | |
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| 48 | calls->close = roar_vio_xcode_close; |
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| 49 | |
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| 50 | if ( encoder ) { |
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| 51 | calls->write = roar_vio_xcode_proc; |
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| 52 | } else { |
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| 53 | calls->read = roar_vio_xcode_proc; |
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| 54 | } |
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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 | ssize_t roar_vio_xcode_proc (struct roar_vio_calls * vio, void *buf, size_t count) { |
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| 60 | if ( vio == NULL ) |
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| 61 | return -1; |
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| 62 | |
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| 63 | if ( buf == NULL && count != 0 ) |
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| 64 | return -1; |
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| 65 | |
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| 66 | return roar_xcoder_proc(vio->inst, buf, count); |
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| 67 | } |
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| 68 | |
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| 69 | off_t roar_vio_xcode_lseek (struct roar_vio_calls * vio, off_t offset, int whence); |
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| 70 | int roar_vio_xcode_nonblock(struct roar_vio_calls * vio, int state); |
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| 71 | int roar_vio_xcode_sync (struct roar_vio_calls * vio); |
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| 72 | int roar_vio_xcode_ctl (struct roar_vio_calls * vio, int cmd, void * data); |
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| 73 | |
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| 74 | int roar_vio_xcode_close (struct roar_vio_calls * vio) { |
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| 75 | int ret = 0; |
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| 76 | |
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| 77 | if ( vio == NULL ) |
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| 78 | return -1; |
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| 79 | |
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| 80 | if ( roar_xcoder_close(vio->inst) == -1 ) |
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| 81 | ret = -1; |
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| 82 | |
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| 83 | if ( vio->inst != NULL ) |
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| 84 | free(vio->inst); |
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| 85 | |
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| 86 | return ret; |
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| 87 | } |
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| 88 | |
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| 89 | int roar_vio_open_bixcode (struct roar_vio_calls * calls, struct roar_audio_info * info, |
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| 90 | struct roar_vio_calls * dst); |
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| 91 | ssize_t roar_vio_bixcode_read (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 92 | ssize_t roar_vio_bixcode_write (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 93 | off_t roar_vio_bixcode_lseek (struct roar_vio_calls * vio, off_t offset, int whence); |
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| 94 | int roar_vio_bixcode_nonblock(struct roar_vio_calls * vio, int state); |
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| 95 | int roar_vio_bixcode_sync (struct roar_vio_calls * vio); |
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| 96 | int roar_vio_bixcode_ctl (struct roar_vio_calls * vio, int cmd, void * data); |
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| 97 | int roar_vio_bixcode_close (struct roar_vio_calls * vio); |
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[2639] | 98 | |
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| 99 | //ll |
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