[2124] | 1 | //roarbidir.c: |
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| 2 | |
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| 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 roarclients 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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| 25 | #include <roaraudio.h> |
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[2126] | 26 | #include "driver.h" |
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[2124] | 27 | |
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| 28 | #define BUFSIZE 1024 |
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| 29 | |
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[2125] | 30 | #define DRIVER "oss" |
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| 31 | |
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[2140] | 32 | // anti echo: |
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| 33 | #define AE_NONE 0 |
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| 34 | #define AE_SIMPLE 1 |
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| 35 | #define AE_SPEEX 2 |
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| 36 | |
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| 37 | struct { |
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| 38 | int antiecho; |
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| 39 | } g_conf; |
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| 40 | |
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[2124] | 41 | void usage (void) { |
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| 42 | printf("roarcat [OPTIONS]...\n"); |
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| 43 | |
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| 44 | printf("\nOptions:\n\n"); |
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| 45 | |
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| 46 | printf(" --server SERVER - Set server hostname\n" |
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| 47 | " --rate RATE - Set sample rate\n" |
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| 48 | " --bits BITS - Set bits per sample\n" |
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| 49 | " --chans CHANNELS - Set number of channels\n" |
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| 50 | " --codec CODEC - Set the codec\n" |
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[2127] | 51 | " --driver DRIVER - Set the driver\n" |
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| 52 | " --device DEVICE - Set the device\n" |
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[2124] | 53 | " --help - Show this help\n" |
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| 54 | ); |
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| 55 | |
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| 56 | } |
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| 57 | |
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[2128] | 58 | int open_stream (struct roar_vio_calls * vio, char * server, struct roar_audio_info * info) { |
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| 59 | return roar_vio_simple_stream(vio, |
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| 60 | info->rate, info->channels, info->bits, info->codec, |
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| 61 | server, |
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| 62 | ROAR_DIR_BIDIR, |
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| 63 | "roarphone"); |
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| 64 | } |
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| 65 | |
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[2140] | 66 | int anti_echo16(int16_t * buf, int16_t * aebuf, size_t len) { |
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| 67 | size_t i; |
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| 68 | |
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| 69 | switch (g_conf.antiecho) { |
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| 70 | case AE_NONE: |
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| 71 | return 0; |
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| 72 | break; |
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| 73 | case AE_SIMPLE: |
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| 74 | for (i = 0; i < len; i++) |
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| 75 | buf[i] -= aebuf[i]; |
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| 76 | break; |
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| 77 | default: |
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| 78 | return -1; |
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| 79 | break; |
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| 80 | } |
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| 81 | |
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| 82 | return -1; |
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| 83 | } |
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| 84 | |
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[2128] | 85 | int run_stream (struct roar_vio_calls * s0, struct roar_vio_calls * s1, struct roar_audio_info * info) { |
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[2129] | 86 | size_t len; |
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[2140] | 87 | void * outbuf, * micbuf; |
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| 88 | ssize_t outlen, miclen; |
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[2129] | 89 | |
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| 90 | len = (info->rate / 100) * info->channels * info->bits / 8; |
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| 91 | |
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[2140] | 92 | if ( (outbuf = malloc(2*len)) == NULL ) |
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[2129] | 93 | return -1; |
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| 94 | |
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[2140] | 95 | micbuf = outbuf + len; |
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| 96 | |
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[2129] | 97 | while (1) { |
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[2140] | 98 | if ( (miclen = roar_vio_read(s0, micbuf, len)) <= 0 ) |
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[2129] | 99 | break; |
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[2140] | 100 | if ( roar_vio_write(s1, micbuf, miclen) != miclen ) |
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| 101 | break; |
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| 102 | if ( (outlen = roar_vio_read(s1, outbuf, len)) <= 0 ) |
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[2129] | 103 | break; |
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[2140] | 104 | |
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| 105 | if ( g_conf.antiecho != AE_NONE ) |
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| 106 | anti_echo16(outbuf, micbuf, ROAR_MIN(miclen, outlen)/2); |
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| 107 | |
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| 108 | if ( roar_vio_write(s0, outbuf, outlen) != outlen ) |
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[2129] | 109 | break; |
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| 110 | } |
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| 111 | |
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[2140] | 112 | free(outbuf); |
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[2129] | 113 | |
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| 114 | return 0; |
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[2128] | 115 | } |
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| 116 | |
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[2124] | 117 | int main (int argc, char * argv[]) { |
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[2125] | 118 | struct roar_audio_info info = {.rate = ROAR_RATE_DEFAULT, |
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| 119 | .bits = ROAR_BITS_DEFAULT, |
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| 120 | .channels = ROAR_CHANNELS_DEFAULT, |
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| 121 | .codec = ROAR_CODEC_DEFAULT |
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| 122 | }; |
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[2128] | 123 | struct roar_vio_calls dvio, svio; |
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[2126] | 124 | char * driver = DRIVER; |
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| 125 | char * device = NULL; |
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[2124] | 126 | char * server = NULL; |
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| 127 | char * k; |
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| 128 | int i; |
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| 129 | |
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[2140] | 130 | memset(&g_conf, 0, sizeof(g_conf)); |
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| 131 | |
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| 132 | g_conf.antiecho = AE_SIMPLE; |
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| 133 | |
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[2124] | 134 | for (i = 1; i < argc; i++) { |
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| 135 | k = argv[i]; |
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| 136 | |
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| 137 | if ( strcmp(k, "--server") == 0 ) { |
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| 138 | server = argv[++i]; |
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| 139 | } else if ( strcmp(k, "--rate") == 0 ) { |
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[2125] | 140 | info.rate = atoi(argv[++i]); |
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[2124] | 141 | } else if ( strcmp(k, "--bits") == 0 ) { |
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[2125] | 142 | info.bits = atoi(argv[++i]); |
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[2124] | 143 | } else if ( strcmp(k, "--channels") == 0 || strcmp(k, "--chans") == 0 ) { |
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[2125] | 144 | info.channels = atoi(argv[++i]); |
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[2124] | 145 | } else if ( strcmp(k, "--codec") == 0 ) { |
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[2125] | 146 | info.codec = roar_str2codec(argv[++i]); |
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[2127] | 147 | } else if ( strcmp(k, "--driver") == 0 ) { |
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| 148 | driver = argv[++i]; |
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| 149 | } else if ( strcmp(k, "--device") == 0 ) { |
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| 150 | device = argv[++i]; |
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[2124] | 151 | } else if ( strcmp(k, "--help") == 0 ) { |
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| 152 | usage(); |
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| 153 | return 0; |
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| 154 | } else { |
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| 155 | fprintf(stderr, "Error: unknown argument: %s\n", k); |
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| 156 | usage(); |
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| 157 | return 1; |
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| 158 | } |
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| 159 | } |
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| 160 | |
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[2126] | 161 | if ( roar_cdriver_open(&dvio, driver, device, &info, ROAR_DIR_BIDIR) == -1 ) { |
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| 162 | return 1; |
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| 163 | } |
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| 164 | |
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[2128] | 165 | if ( open_stream(&svio, server, &info) == -1 ) { |
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| 166 | roar_vio_close(&dvio); |
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| 167 | return 2; |
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| 168 | } |
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| 169 | |
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[2140] | 170 | run_stream(&dvio, &svio, &info); |
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[2128] | 171 | |
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| 172 | roar_vio_close(&svio); |
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[2126] | 173 | roar_vio_close(&dvio); |
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| 174 | |
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[2124] | 175 | return 0; |
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| 176 | } |
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| 177 | |
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| 178 | //ll |
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