[2519] | 1 | //emul_esd.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 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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| 25 | #include "roard.h" |
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| 26 | |
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| 27 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_ESD |
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[2521] | 28 | #ifdef ROAR_HAVE_ESD |
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[2519] | 29 | |
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[2521] | 30 | #if !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_MINIMAL) |
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| 31 | #define _NAME(x) (x) |
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| 32 | #else |
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| 33 | #define _NAME(x) ((char*)NULL) |
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| 34 | #endif |
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| 35 | |
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[2522] | 36 | #define _cmd_t int |
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| 37 | #define _INTSIZE sizeof(_cmd_t) |
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| 38 | |
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[2537] | 39 | #define _NOT_TO_IMPLEMENT NULL |
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| 40 | #define _UNIMPLEMNTED_IN_ESD NULL |
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| 41 | #define _NEED_SAMPLE_SUPPORT NULL |
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| 42 | |
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[2521] | 43 | struct emul_esd_command g_emul_esd_commands[] = { |
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[2525] | 44 | {ESD_PROTO_CONNECT, ESD_KEY_LEN + _INTSIZE, _NAME("CONNECT"), emul_esd_on_connect}, |
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[2522] | 45 | {ESD_PROTO_LOCK, ESD_KEY_LEN + _INTSIZE, _NAME("LOCK"), NULL}, |
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| 46 | {ESD_PROTO_UNLOCK, ESD_KEY_LEN + _INTSIZE, _NAME("UNLOCK"), NULL}, |
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[2527] | 47 | {ESD_PROTO_STREAM_PLAY, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_PLAY"), emul_esd_on_stream}, |
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| 48 | {ESD_PROTO_STREAM_REC, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_REC"), emul_esd_on_stream}, |
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| 49 | {ESD_PROTO_STREAM_MON, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_MON"), emul_esd_on_stream}, |
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[2537] | 50 | {ESD_PROTO_SAMPLE_CACHE, ESD_NAME_MAX + 3 * _INTSIZE, _NAME("SAMPLE_CACHE"), _NEED_SAMPLE_SUPPORT}, |
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| 51 | {ESD_PROTO_SAMPLE_FREE, _INTSIZE, _NAME("SAMPLE_FREE"), _NEED_SAMPLE_SUPPORT}, |
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| 52 | {ESD_PROTO_SAMPLE_PLAY, _INTSIZE, _NAME("SAMPLE_PLAY"), _NEED_SAMPLE_SUPPORT}, |
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| 53 | {ESD_PROTO_SAMPLE_LOOP, _INTSIZE, _NAME("SAMPLE_LOOP"), _NEED_SAMPLE_SUPPORT}, |
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| 54 | {ESD_PROTO_SAMPLE_STOP, _INTSIZE, _NAME("SAMPLE_STOP"), _NEED_SAMPLE_SUPPORT}, |
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| 55 | {ESD_PROTO_SAMPLE_KILL, 0 , _NAME("SAMPLE_KILL"), _NEED_SAMPLE_SUPPORT}, |
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[2535] | 56 | {ESD_PROTO_STANDBY, ESD_KEY_LEN + _INTSIZE, _NAME("STANDBY"), emul_esd_on_standby}, |
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| 57 | {ESD_PROTO_RESUME, ESD_KEY_LEN + _INTSIZE, _NAME("RESUME"), emul_esd_on_standby}, |
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[2537] | 58 | {ESD_PROTO_SAMPLE_GETID, ESD_NAME_MAX , _NAME("SAMPLE_GETID"), _NEED_SAMPLE_SUPPORT}, |
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[2527] | 59 | {ESD_PROTO_STREAM_FILT, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_FILT"), emul_esd_on_stream}, |
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[2522] | 60 | {ESD_PROTO_SERVER_INFO, _INTSIZE, _NAME("SERVER_INFO"), NULL}, |
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| 61 | {ESD_PROTO_ALL_INFO, _INTSIZE, _NAME("ALL_INFO"), NULL}, |
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[2537] | 62 | {ESD_PROTO_SUBSCRIBE, 0 , _NAME("SUBSCRIBE"), _UNIMPLEMNTED_IN_ESD}, |
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| 63 | {ESD_PROTO_UNSUBSCRIBE, 0 , _NAME("UNSUBSCRIBE"), _UNIMPLEMNTED_IN_ESD}, |
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[2522] | 64 | {ESD_PROTO_STREAM_PAN, 3 * _INTSIZE, _NAME("STREAM_PAN"), NULL}, |
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[2537] | 65 | {ESD_PROTO_SAMPLE_PAN, 3 * _INTSIZE, _NAME("SAMPLE_PAN"), _NEED_SAMPLE_SUPPORT}, |
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[2536] | 66 | {ESD_PROTO_STANDBY_MODE, _INTSIZE, _NAME("STANDBY_MODE"), emul_esd_on_standbymode}, |
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[2533] | 67 | {ESD_PROTO_LATENCY, 0 , _NAME("LATENCY"), emul_esd_on_latency}, |
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[2537] | 68 | {ESD_PROTO_MAX, 0 , _NAME("MAX"), _NOT_TO_IMPLEMENT}, |
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| 69 | {-1, 0, _NAME("END OF LIST"), _NOT_TO_IMPLEMENT} |
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[2521] | 70 | }; |
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| 71 | |
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[2524] | 72 | // command handling: |
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[2522] | 73 | int emul_esd_exec_command(int client, int cmd, struct roar_vio_calls * vio) { |
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| 74 | struct emul_esd_command * cur; |
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| 75 | void * data = NULL; |
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[2534] | 76 | ssize_t ret; |
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| 77 | size_t done = 0; |
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[2522] | 78 | int r; |
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| 79 | int i; |
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| 80 | |
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[2530] | 81 | ROAR_DBG("emul_esd_exec_command(*) = ?"); |
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| 82 | |
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[2522] | 83 | if ( client == -1 || cmd < ESD_PROTO_CONNECT || cmd > ESD_PROTO_MAX || vio == NULL ) |
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| 84 | return -1; |
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| 85 | |
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[2530] | 86 | ROAR_DBG("emul_esd_exec_command(*) = ?"); |
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| 87 | |
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[2522] | 88 | for (i = 0; (cur = &(g_emul_esd_commands[i]))->cmd != -1; i++) { |
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| 89 | if ( cur->cmd == cmd ) { |
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| 90 | if ( cur->datalen > 0 ) { |
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| 91 | if ( (data = malloc(cur->datalen)) == NULL ) { |
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| 92 | // we will do a protocol error in case we do not drop the client |
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| 93 | clients_delete(client); |
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| 94 | return -1; |
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| 95 | } |
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| 96 | |
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[2534] | 97 | while ( done < cur->datalen ) { |
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| 98 | ret = roar_vio_read(vio, data+done, cur->datalen-done); |
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| 99 | |
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| 100 | if ( ret < 1 ) { |
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| 101 | free(data); |
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| 102 | clients_delete(client); |
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| 103 | return -1; |
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| 104 | } else { |
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| 105 | done += ret; |
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| 106 | } |
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[2522] | 107 | } |
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| 108 | } |
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| 109 | |
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| 110 | if ( cur->handler == NULL ) { |
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| 111 | ROAR_WARN("emul_esd_exec_command(client=%i, cmd=%s(%i), vio=%p): client uses unimplemted command", |
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| 112 | client, cur->name, cmd, vio |
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| 113 | ); |
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[2532] | 114 | clients_delete(client); |
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[2522] | 115 | r = -1; |
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| 116 | } else { |
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| 117 | r = cur->handler(client, cur, data, vio); |
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| 118 | } |
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| 119 | |
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| 120 | if ( data != NULL ) |
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| 121 | free(data); |
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| 122 | |
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| 123 | return r; |
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| 124 | } |
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| 125 | } |
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| 126 | |
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| 127 | return -1; |
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| 128 | } |
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| 129 | |
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| 130 | int emul_esd_check_client(int client, struct roar_vio_calls * vio) { |
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| 131 | struct roar_vio_calls calls; |
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| 132 | _cmd_t cmd; |
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| 133 | |
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| 134 | if ( client == -1 ) |
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| 135 | return -1; |
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| 136 | |
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| 137 | if ( vio == NULL ) { |
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| 138 | vio = &calls; |
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| 139 | if ( roar_vio_open_fh(vio, clients_get_fh(client)) == -1 ) |
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| 140 | return -1; |
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| 141 | } |
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| 142 | |
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| 143 | if ( roar_vio_read(vio, &cmd, _INTSIZE) != _INTSIZE ) { |
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| 144 | // really bad protocol error |
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| 145 | clients_delete(client); |
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| 146 | return -1; |
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| 147 | } |
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| 148 | |
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| 149 | return emul_esd_exec_command(client, cmd, vio); |
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| 150 | } |
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| 151 | |
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[2524] | 152 | // porto lib: |
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[2528] | 153 | int emul_esd_int_read_buf (int client, int * data, void * buf) { |
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| 154 | _cmd_t d; |
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| 155 | |
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| 156 | if ( data == NULL || buf == NULL ) |
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| 157 | return -1; |
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| 158 | |
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| 159 | d = *(_cmd_t*)buf; |
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| 160 | |
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| 161 | *data = d; |
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| 162 | |
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| 163 | return 0; |
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| 164 | } |
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[2524] | 165 | int emul_esd_int_read (int client, int * data, struct roar_vio_calls * vio) { |
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| 166 | _cmd_t d; |
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| 167 | |
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| 168 | if ( data == NULL ) |
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| 169 | return -1; |
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| 170 | |
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| 171 | if ( roar_vio_read(vio, &d, _INTSIZE) != _INTSIZE ) |
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| 172 | return -1; |
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| 173 | |
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| 174 | *data = d; |
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| 175 | |
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| 176 | return 0; |
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| 177 | } |
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| 178 | |
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| 179 | int emul_esd_int_write (int client, int data, struct roar_vio_calls * vio) { |
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| 180 | _cmd_t d = data; |
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| 181 | |
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| 182 | return roar_vio_write(vio, &d, _INTSIZE) == _INTSIZE ? 0 : -1; |
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| 183 | } |
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| 184 | |
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| 185 | int emul_esd_test_auth (int client, void * data, struct roar_vio_calls * vio) { |
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| 186 | // accept all clients for the moment. |
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| 187 | return emul_esd_int_write(client, 1, vio); |
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| 188 | } |
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| 189 | |
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[2526] | 190 | int emul_esd_test_byteorder(int client, void * data) { |
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[2524] | 191 | // TODO: do a real test |
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| 192 | return 0; |
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| 193 | } |
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| 194 | |
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| 195 | // handler: |
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| 196 | int emul_esd_on_connect (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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[2529] | 197 | |
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| 198 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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| 199 | |
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[2526] | 200 | if ( client == -1 || data == NULL || vio == NULL ) |
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| 201 | return -1; |
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| 202 | |
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[2529] | 203 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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| 204 | |
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[2526] | 205 | if ( emul_esd_test_auth(client, data, vio) == -1 ) |
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| 206 | return -1; |
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| 207 | |
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[2529] | 208 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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| 209 | |
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[2526] | 210 | if ( emul_esd_test_byteorder(client, data+ESD_KEY_LEN) == -1 ) |
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| 211 | return -1; |
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| 212 | |
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[2529] | 213 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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| 214 | |
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[2526] | 215 | return 0; |
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[2524] | 216 | } |
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| 217 | |
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[2527] | 218 | int emul_esd_on_stream (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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| 219 | struct roar_stream_server * ss; |
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| 220 | struct roar_stream * s; |
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[2531] | 221 | struct roar_client * c; |
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[2527] | 222 | int stream; |
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| 223 | int dir = -1; |
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[2528] | 224 | int esdformat; |
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| 225 | int rate; |
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[2527] | 226 | |
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| 227 | if ( client == -1 || cmd == NULL || data == NULL || vio == NULL ) |
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| 228 | return -1; |
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| 229 | |
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| 230 | switch (cmd->cmd) { |
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| 231 | case ESD_PROTO_STREAM_PLAY: dir = ROAR_DIR_PLAY; break; |
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| 232 | case ESD_PROTO_STREAM_REC: dir = ROAR_DIR_RECORD; break; |
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| 233 | case ESD_PROTO_STREAM_MON: dir = ROAR_DIR_MONITOR; break; |
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| 234 | case ESD_PROTO_STREAM_FILT: dir = ROAR_DIR_FILTER; break; |
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| 235 | default: |
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| 236 | clients_delete(client); |
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| 237 | return -1; |
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| 238 | } |
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| 239 | |
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[2531] | 240 | if ( clients_get(client, &c) == -1 ) { |
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| 241 | return -1; |
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| 242 | } |
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| 243 | |
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[2527] | 244 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): creating stream...", client); |
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| 245 | if ((stream = streams_new()) == -1 ) { |
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| 246 | clients_delete(client); |
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| 247 | return -1; |
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| 248 | } |
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| 249 | |
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| 250 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): getting stream...", client); |
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| 251 | if ( streams_get(stream, &ss) == -1 ) { |
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| 252 | streams_delete(stream); |
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| 253 | clients_delete(client); |
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| 254 | return -1; |
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| 255 | } |
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| 256 | |
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| 257 | s = ROAR_STREAM(ss); |
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| 258 | |
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| 259 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): set client of stream...", client); |
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| 260 | if ( client_stream_add(client, stream) == -1 ) { |
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| 261 | streams_delete(stream); |
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| 262 | clients_delete(client); |
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| 263 | return -1; |
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| 264 | } |
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| 265 | |
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[2528] | 266 | emul_esd_int_read_buf(client, &esdformat, data); |
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| 267 | emul_esd_int_read_buf(client, &rate, data+_INTSIZE); |
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| 268 | |
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[2531] | 269 | strncpy(c->name, data + 2*_INTSIZE, ROAR_BUFFER_NAME > ESD_NAME_MAX ? ESD_NAME_MAX : ROAR_BUFFER_NAME); |
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| 270 | c->name[ROAR_BUFFER_NAME-1] = 0; |
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| 271 | |
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[2529] | 272 | ROAR_DBG("emul_esd_on_stream(*): esdformat=0x%.8X, rate=%i", esdformat, rate); |
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| 273 | |
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[2528] | 274 | s->info.rate = rate; |
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| 275 | |
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| 276 | switch (esdformat & ESD_MASK_BITS) { |
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[2529] | 277 | case ESD_BITS8: s->info.bits = 8; s->info.codec = ROAR_CODEC_PCM_U_LE; break; |
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| 278 | case ESD_BITS16: s->info.bits = 16; s->info.codec = ROAR_CODEC_DEFAULT; break; |
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[2528] | 279 | default: |
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| 280 | streams_delete(stream); |
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| 281 | clients_delete(client); |
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| 282 | return -1; |
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| 283 | } |
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| 284 | |
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| 285 | switch (esdformat & ESD_MASK_CHAN) { |
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| 286 | case ESD_MONO: s->info.channels = 1; break; |
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| 287 | case ESD_STEREO: s->info.channels = 2; break; |
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| 288 | default: |
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| 289 | streams_delete(stream); |
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| 290 | clients_delete(client); |
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| 291 | return -1; |
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| 292 | } |
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| 293 | |
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[2527] | 294 | ss->codec_orgi = s->info.codec; |
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| 295 | |
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[2529] | 296 | ROAR_DBG("emul_esd_on_stream(*): s->info = {.rate=%i, .bits=%i, .channels=%i, .codec=%i}", s->info.rate, s->info.bits, s->info.channels, s->info.codec); |
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| 297 | |
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[2527] | 298 | if ( streams_set_dir(stream, dir, 1) == -1 ) { |
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| 299 | clients_delete(client); |
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| 300 | return -1; |
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| 301 | } |
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| 302 | |
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| 303 | if ( client_stream_exec(client, stream) == -1 ) { |
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| 304 | clients_delete(client); |
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| 305 | return -1; |
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| 306 | } |
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| 307 | |
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| 308 | return 0; |
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| 309 | } |
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[2524] | 310 | |
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[2533] | 311 | int emul_esd_on_latency (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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| 312 | int lag = ROAR_OUTPUT_CFREQ; |
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| 313 | |
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| 314 | lag *= 2.0 * 44100.0 / (float)g_sa->rate; |
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| 315 | |
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| 316 | return emul_esd_int_write(client, lag, vio); |
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| 317 | } |
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| 318 | |
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[2535] | 319 | int emul_esd_on_standby (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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| 320 | int ok = 0; |
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| 321 | |
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| 322 | if ( emul_esd_test_auth(client, data, vio) == -1 ) { |
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| 323 | return emul_esd_int_write(client, ok, vio); |
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| 324 | } |
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| 325 | |
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| 326 | ok = 1; |
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| 327 | |
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| 328 | if (cmd->cmd == ESD_PROTO_STANDBY) { |
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| 329 | g_standby = 1; |
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| 330 | } else { |
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| 331 | g_standby = 0; |
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| 332 | } |
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| 333 | |
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| 334 | |
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| 335 | return emul_esd_int_write(client, ok, vio); |
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| 336 | } |
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| 337 | |
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[2536] | 338 | int emul_esd_on_standbymode(int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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| 339 | int mode = ESM_ERROR; |
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| 340 | |
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| 341 | if ( g_standby ) { |
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| 342 | if ( g_autostandby ) { |
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| 343 | mode = ESM_ON_AUTOSTANDBY; |
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| 344 | } else { |
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| 345 | mode = ESM_ON_STANDBY; |
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| 346 | } |
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| 347 | } else { |
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| 348 | mode = ESM_RUNNING; |
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| 349 | } |
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| 350 | |
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| 351 | return emul_esd_int_write(client, mode, vio); |
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| 352 | } |
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| 353 | |
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[2521] | 354 | #endif |
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[2519] | 355 | #endif |
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| 356 | |
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| 357 | //ll |
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