[172] | 1 | //codecfilter_cmd.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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[172] | 25 | #include "roard.h" |
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| 26 | |
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[220] | 27 | #define CMDMAXLEN 1024 |
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| 28 | |
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[196] | 29 | int cf_cmd_open(CODECFILTER_USERDATA_T * inst, int codec, |
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| 30 | struct roar_stream_server * info, |
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| 31 | struct roar_codecfilter * filter) { |
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| 32 | int socks[2]; |
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[200] | 33 | int execed = -1; |
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[220] | 34 | char cmd[CMDMAXLEN+1] = {0}; |
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| 35 | char * tmp = NULL; |
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| 36 | char tb[CMDMAXLEN+1]; |
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| 37 | char * o = filter->options; |
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| 38 | int i; |
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| 39 | |
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| 40 | if ( !o ) |
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| 41 | return -1; |
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| 42 | |
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| 43 | for (i = 0; i < CMDMAXLEN && *o != 0; i++, o++) { |
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| 44 | if ( *o == '%' ) { |
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| 45 | // printf("ol: *o='%c' (escape)\n", *o); |
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| 46 | tmp = NULL; |
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| 47 | |
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| 48 | o++; |
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| 49 | if ( *o == 0 ) { |
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| 50 | break; |
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| 51 | } else if ( *o == 'R' ) { |
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| 52 | tmp = tb; |
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| 53 | snprintf(tb, CMDMAXLEN, "%i", g_sa->rate); |
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| 54 | } else if ( *o == 'B' ) { |
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| 55 | tmp = tb; |
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| 56 | snprintf(tb, CMDMAXLEN, "%i", g_sa->bits); |
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| 57 | } else if ( *o == 'C' ) { |
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| 58 | tmp = tb; |
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| 59 | snprintf(tb, CMDMAXLEN, "%i", g_sa->channels); |
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| 60 | } |
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| 61 | |
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| 62 | // printf("*o='%c', tmp=%p\n", *o, tmp); |
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| 63 | |
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| 64 | if ( tmp ) { |
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| 65 | for (; i < CMDMAXLEN && *tmp != 0; i++, tmp++) |
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| 66 | cmd[i] = *tmp; |
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| 67 | i--; |
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| 68 | } |
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| 69 | } else { |
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| 70 | // printf("ol: *o='%c' (copy to cmd[i=%i])\n", *o, i); |
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| 71 | cmd[i] = *o; |
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| 72 | } |
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| 73 | } |
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| 74 | |
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| 75 | cmd[i+1] = 0; |
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| 76 | |
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[223] | 77 | //printf("cmd='%s'\n", cmd); |
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[196] | 78 | |
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| 79 | if ( socketpair(AF_UNIX, SOCK_STREAM, 0, socks) == -1 ) { |
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| 80 | return -1; |
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| 81 | } |
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| 82 | |
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[609] | 83 | if ( lib_run_bg(cmd, ROAR_STREAM(info)->fh, socks[1], ROAR_STDERR, socks, 2) == -1 ) |
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[196] | 84 | return -1; |
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| 85 | |
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[200] | 86 | if ( info->client != -1 ) { |
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| 87 | execed = g_clients[info->client]->execed; |
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| 88 | |
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| 89 | if ( execed != -1 ) { |
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| 90 | if ( g_streams[execed] == info ) { |
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| 91 | g_clients[info->client]->fh = socks[0]; |
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| 92 | } else { |
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[609] | 93 | close(ROAR_STREAM(info)->fh); |
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[200] | 94 | } |
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| 95 | } else { |
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[609] | 96 | close(ROAR_STREAM(info)->fh); |
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[200] | 97 | } |
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| 98 | } else { |
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[609] | 99 | close(ROAR_STREAM(info)->fh); |
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[200] | 100 | } |
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| 101 | |
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[609] | 102 | ROAR_STREAM(info)->fh = socks[0]; |
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| 103 | ROAR_STREAM(info)->info.codec = ROAR_CODEC_DEFAULT; |
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[196] | 104 | close(socks[1]); |
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| 105 | |
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| 106 | info->codecfilter = -1; |
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| 107 | |
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| 108 | return 0; |
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| 109 | } |
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| 110 | |
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[172] | 111 | //ll |
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