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, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #include "roard.h" |
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27 | |
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28 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_ESD |
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29 | #ifdef ROAR_HAVE_H_ESD |
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30 | |
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31 | #if !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_MINIMAL) |
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32 | #define _NAME(x) (x) |
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33 | #else |
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34 | #define _NAME(x) ((char*)NULL) |
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35 | #endif |
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36 | |
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37 | #define _cmd_t int |
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38 | #define _INTSIZE sizeof(_cmd_t) |
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39 | |
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40 | #define _NOT_TO_IMPLEMENT NULL |
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41 | #define _UNIMPLEMNTED_IN_ESD NULL |
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42 | #define _NEED_SAMPLE_SUPPORT NULL |
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43 | |
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44 | #define _ROAR2ESD(x) ((x)+1) |
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45 | #define _ESD2ROAR(x) ((x)-1) |
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46 | |
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47 | struct emul_esd_command g_emul_esd_commands[] = { |
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48 | {ESD_PROTO_CONNECT, ESD_KEY_LEN + _INTSIZE, _NAME("CONNECT"), emul_esd_on_connect}, |
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49 | {ESD_PROTO_LOCK, ESD_KEY_LEN + _INTSIZE, _NAME("LOCK"), NULL}, |
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50 | {ESD_PROTO_UNLOCK, ESD_KEY_LEN + _INTSIZE, _NAME("UNLOCK"), NULL}, |
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51 | {ESD_PROTO_STREAM_PLAY, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_PLAY"), emul_esd_on_stream}, |
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52 | {ESD_PROTO_STREAM_REC, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_REC"), emul_esd_on_stream}, |
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53 | {ESD_PROTO_STREAM_MON, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_MON"), emul_esd_on_stream}, |
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54 | {ESD_PROTO_SAMPLE_CACHE, ESD_NAME_MAX + 3 * _INTSIZE, _NAME("SAMPLE_CACHE"), _NEED_SAMPLE_SUPPORT}, |
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55 | {ESD_PROTO_SAMPLE_FREE, _INTSIZE, _NAME("SAMPLE_FREE"), _NEED_SAMPLE_SUPPORT}, |
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56 | {ESD_PROTO_SAMPLE_PLAY, _INTSIZE, _NAME("SAMPLE_PLAY"), _NEED_SAMPLE_SUPPORT}, |
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57 | {ESD_PROTO_SAMPLE_LOOP, _INTSIZE, _NAME("SAMPLE_LOOP"), _NEED_SAMPLE_SUPPORT}, |
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58 | {ESD_PROTO_SAMPLE_STOP, _INTSIZE, _NAME("SAMPLE_STOP"), _NEED_SAMPLE_SUPPORT}, |
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59 | {ESD_PROTO_SAMPLE_KILL, 0 , _NAME("SAMPLE_KILL"), _NEED_SAMPLE_SUPPORT}, |
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60 | {ESD_PROTO_STANDBY, ESD_KEY_LEN + _INTSIZE, _NAME("STANDBY"), emul_esd_on_standby}, |
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61 | {ESD_PROTO_RESUME, ESD_KEY_LEN + _INTSIZE, _NAME("RESUME"), emul_esd_on_standby}, |
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62 | {ESD_PROTO_SAMPLE_GETID, ESD_NAME_MAX , _NAME("SAMPLE_GETID"), _NEED_SAMPLE_SUPPORT}, |
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63 | {ESD_PROTO_STREAM_FILT, ESD_NAME_MAX + 2 * _INTSIZE, _NAME("STREAM_FILT"), emul_esd_on_stream}, |
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64 | {ESD_PROTO_SERVER_INFO, _INTSIZE, _NAME("SERVER_INFO"), emul_esd_on_server_info}, |
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65 | {ESD_PROTO_ALL_INFO, _INTSIZE, _NAME("ALL_INFO"), emul_esd_on_all_info}, |
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66 | {ESD_PROTO_SUBSCRIBE, 0 , _NAME("SUBSCRIBE"), _UNIMPLEMNTED_IN_ESD}, |
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67 | {ESD_PROTO_UNSUBSCRIBE, 0 , _NAME("UNSUBSCRIBE"), _UNIMPLEMNTED_IN_ESD}, |
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68 | {ESD_PROTO_STREAM_PAN, 3 * _INTSIZE, _NAME("STREAM_PAN"), emul_esd_on_stream_pan}, |
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69 | {ESD_PROTO_SAMPLE_PAN, 3 * _INTSIZE, _NAME("SAMPLE_PAN"), _NEED_SAMPLE_SUPPORT}, |
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70 | {ESD_PROTO_STANDBY_MODE, _INTSIZE, _NAME("STANDBY_MODE"), emul_esd_on_standbymode}, |
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71 | {ESD_PROTO_LATENCY, 0 , _NAME("LATENCY"), emul_esd_on_latency}, |
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72 | {ESD_PROTO_MAX, 0 , _NAME("MAX"), _NOT_TO_IMPLEMENT}, |
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73 | {-1, 0, _NAME("END OF LIST"), _NOT_TO_IMPLEMENT} |
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74 | }; |
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75 | |
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76 | // command handling: |
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77 | int emul_esd_exec_command(int client, int cmd, struct roar_vio_calls * vio) { |
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78 | struct emul_esd_command * cur; |
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79 | void * data = NULL; |
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80 | ssize_t ret; |
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81 | size_t done = 0; |
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82 | int r; |
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83 | int i; |
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84 | |
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85 | ROAR_DBG("emul_esd_exec_command(*) = ?"); |
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86 | |
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87 | if ( client == -1 || cmd < ESD_PROTO_CONNECT || cmd > ESD_PROTO_MAX || vio == NULL ) |
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88 | return -1; |
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89 | |
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90 | ROAR_DBG("emul_esd_exec_command(*) = ?"); |
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91 | |
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92 | for (i = 0; (cur = &(g_emul_esd_commands[i]))->cmd != -1; i++) { |
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93 | if ( cur->cmd == cmd ) { |
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94 | if ( cur->datalen > 0 ) { |
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95 | if ( (data = malloc(cur->datalen)) == NULL ) { |
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96 | // we will do a protocol error in case we do not drop the client |
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97 | clients_delete(client); |
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98 | return -1; |
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99 | } |
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100 | |
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101 | while ( done < cur->datalen ) { |
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102 | ret = roar_vio_read(vio, data+done, cur->datalen-done); |
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103 | |
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104 | if ( ret < 1 ) { |
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105 | free(data); |
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106 | clients_delete(client); |
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107 | return -1; |
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108 | } else { |
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109 | done += ret; |
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110 | } |
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111 | } |
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112 | } |
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113 | |
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114 | if ( cur->handler == NULL ) { |
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115 | ROAR_WARN("emul_esd_exec_command(client=%i, cmd=%s(%i), vio=%p): client uses unimplemted command", |
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116 | client, cur->name, cmd, vio |
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117 | ); |
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118 | clients_delete(client); |
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119 | r = -1; |
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120 | } else { |
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121 | r = cur->handler(client, cur, data, vio); |
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122 | } |
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123 | |
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124 | if ( data != NULL ) |
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125 | free(data); |
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126 | |
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127 | return r; |
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128 | } |
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129 | } |
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130 | |
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131 | return -1; |
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132 | } |
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133 | |
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134 | int emul_esd_check_client(int client, struct roar_vio_calls * vio) { |
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135 | struct roar_vio_calls calls; |
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136 | _cmd_t cmd; |
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137 | |
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138 | if ( client == -1 ) |
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139 | return -1; |
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140 | |
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141 | if ( vio == NULL ) { |
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142 | vio = &calls; |
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143 | if ( roar_vio_open_fh_socket(vio, clients_get_fh(client)) == -1 ) |
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144 | return -1; |
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145 | } |
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146 | |
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147 | if ( roar_vio_read(vio, &cmd, _INTSIZE) != _INTSIZE ) { |
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148 | // really bad protocol error |
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149 | clients_delete(client); |
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150 | return -1; |
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151 | } |
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152 | |
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153 | return emul_esd_exec_command(client, cmd, vio); |
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154 | } |
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155 | |
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156 | // porto lib: |
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157 | int emul_esd_int_read_buf (int client, int * data, void * buf) { |
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158 | _cmd_t d; |
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159 | |
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160 | if ( data == NULL || buf == NULL ) |
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161 | return -1; |
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162 | |
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163 | d = *(_cmd_t*)buf; |
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164 | |
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165 | *data = d; |
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166 | |
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167 | return 0; |
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168 | } |
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169 | int emul_esd_int_read (int client, int * data, struct roar_vio_calls * vio) { |
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170 | _cmd_t d; |
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171 | |
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172 | if ( data == NULL ) |
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173 | return -1; |
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174 | |
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175 | if ( roar_vio_read(vio, &d, _INTSIZE) != _INTSIZE ) |
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176 | return -1; |
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177 | |
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178 | *data = d; |
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179 | |
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180 | return 0; |
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181 | } |
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182 | |
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183 | int emul_esd_int_write (int client, int data, struct roar_vio_calls * vio) { |
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184 | _cmd_t d = data; |
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185 | |
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186 | return roar_vio_write(vio, &d, _INTSIZE) == _INTSIZE ? 0 : -1; |
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187 | } |
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188 | |
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189 | int emul_esd_test_auth (int client, void * data, struct roar_vio_calls * vio) { |
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190 | // accept all clients for the moment. |
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191 | return emul_esd_int_write(client, 1, vio); |
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192 | } |
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193 | |
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194 | int emul_esd_test_byteorder(int client, void * data) { |
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195 | struct roar_client * c; |
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196 | |
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197 | if ( clients_get(client, &c) == -1 ) |
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198 | return -1; |
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199 | |
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200 | // "NDNE"; |
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201 | |
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202 | if ( !memcmp(data, "NDNE", 4) ) { |
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203 | c->byteorder = ROAR_BYTEORDER_LE; |
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204 | } else if ( !memcmp(data, "ENDE", 4) ) { |
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205 | c->byteorder = ROAR_BYTEORDER_BE; |
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206 | } else if ( !memcmp(data, "NEED", 4) ) { |
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207 | c->byteorder = ROAR_BYTEORDER_PDP; |
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208 | } else { |
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209 | return -1; |
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210 | } |
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211 | |
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212 | return 0; |
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213 | } |
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214 | |
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215 | // handler: |
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216 | int emul_esd_on_connect (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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217 | |
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218 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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219 | |
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220 | if ( client == -1 || data == NULL || vio == NULL ) |
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221 | return -1; |
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222 | |
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223 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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224 | |
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225 | if ( emul_esd_test_auth(client, data, vio) == -1 ) |
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226 | return -1; |
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227 | |
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228 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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229 | |
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230 | if ( emul_esd_test_byteorder(client, data+ESD_KEY_LEN) == -1 ) |
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231 | return -1; |
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232 | |
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233 | ROAR_DBG("emul_esd_on_connect(client=%i, cmd=%p, data=%p, vio=%p) = ?", client, cmd, data, vio); |
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234 | |
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235 | return 0; |
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236 | } |
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237 | |
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238 | int emul_esd_on_stream (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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239 | struct roar_stream_server * ss; |
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240 | struct roar_stream * s; |
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241 | struct roar_client * c; |
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242 | int stream; |
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243 | int dir = -1; |
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244 | int esdformat; |
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245 | int rate = 0; |
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246 | |
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247 | if ( client == -1 || cmd == NULL || data == NULL || vio == NULL ) |
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248 | return -1; |
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249 | |
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250 | switch (cmd->cmd) { |
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251 | case ESD_PROTO_STREAM_PLAY: dir = ROAR_DIR_PLAY; break; |
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252 | case ESD_PROTO_STREAM_REC: dir = ROAR_DIR_RECORD; break; |
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253 | case ESD_PROTO_STREAM_MON: dir = ROAR_DIR_MONITOR; break; |
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254 | case ESD_PROTO_STREAM_FILT: dir = ROAR_DIR_FILTER; break; |
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255 | default: |
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256 | clients_delete(client); |
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257 | return -1; |
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258 | } |
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259 | |
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260 | if ( clients_get(client, &c) == -1 ) { |
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261 | return -1; |
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262 | } |
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263 | |
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264 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): creating stream...", client); |
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265 | if ((stream = streams_new()) == -1 ) { |
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266 | clients_delete(client); |
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267 | return -1; |
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268 | } |
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269 | |
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270 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): getting stream...", client); |
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271 | if ( streams_get(stream, &ss) == -1 ) { |
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272 | streams_delete(stream); |
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273 | clients_delete(client); |
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274 | return -1; |
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275 | } |
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276 | |
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277 | s = ROAR_STREAM(ss); |
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278 | |
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279 | ROAR_DBG("emul_esd_on_stream(client=%i, ...): set client of stream...", client); |
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280 | if ( client_stream_add(client, stream) == -1 ) { |
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281 | streams_delete(stream); |
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282 | clients_delete(client); |
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283 | return -1; |
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284 | } |
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285 | |
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286 | emul_esd_int_read_buf(client, &esdformat, data); |
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287 | emul_esd_int_read_buf(client, &rate, data+_INTSIZE); |
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288 | |
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289 | strncpy(c->name, data + 2*_INTSIZE, ROAR_BUFFER_NAME > ESD_NAME_MAX ? ESD_NAME_MAX : ROAR_BUFFER_NAME); |
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290 | c->name[ROAR_BUFFER_NAME-1] = 0; |
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291 | |
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292 | ROAR_DBG("emul_esd_on_stream(*): esdformat=0x%.8X, rate=%i", esdformat, rate); |
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293 | |
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294 | s->info.rate = rate; |
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295 | |
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296 | switch (esdformat & ESD_MASK_BITS) { |
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297 | case ESD_BITS8: s->info.bits = 8; s->info.codec = ROAR_CODEC_PCM_U_LE; break; |
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298 | case ESD_BITS16: s->info.bits = 16; s->info.codec = ROAR_CODEC_DEFAULT; break; |
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299 | default: |
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300 | streams_delete(stream); |
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301 | clients_delete(client); |
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302 | return -1; |
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303 | } |
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304 | |
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305 | switch (esdformat & ESD_MASK_CHAN) { |
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306 | case ESD_MONO: s->info.channels = 1; break; |
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307 | case ESD_STEREO: s->info.channels = 2; break; |
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308 | default: |
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309 | streams_delete(stream); |
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310 | clients_delete(client); |
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311 | return -1; |
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312 | } |
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313 | |
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314 | ss->codec_orgi = s->info.codec; |
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315 | |
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316 | 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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317 | |
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318 | if ( streams_set_dir(stream, dir, 1) == -1 ) { |
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319 | clients_delete(client); |
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320 | return -1; |
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321 | } |
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322 | |
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323 | if ( client_stream_exec(client, stream) == -1 ) { |
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324 | clients_delete(client); |
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325 | return -1; |
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326 | } |
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327 | |
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328 | return 0; |
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329 | } |
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330 | |
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331 | int emul_esd_on_latency (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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332 | int lag = ROAR_OUTPUT_CFREQ; |
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333 | |
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334 | lag *= 2.0 * 44100.0 / (float)g_sa->rate; |
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335 | |
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336 | return emul_esd_int_write(client, lag, vio); |
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337 | } |
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338 | |
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339 | int emul_esd_on_standby (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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340 | int ok = 0; |
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341 | |
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342 | if ( emul_esd_test_auth(client, data, vio) == -1 ) { |
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343 | return emul_esd_int_write(client, ok, vio); |
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344 | } |
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345 | |
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346 | ok = 1; |
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347 | |
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348 | if (cmd->cmd == ESD_PROTO_STANDBY) { |
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349 | g_standby = 1; |
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350 | } else { |
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351 | g_standby = 0; |
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352 | } |
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353 | |
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354 | |
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355 | return emul_esd_int_write(client, ok, vio); |
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356 | } |
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357 | |
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358 | int emul_esd_on_standbymode(int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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359 | int mode = ESM_ERROR; |
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360 | |
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361 | if ( g_standby ) { |
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362 | if ( g_autostandby ) { |
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363 | mode = ESM_ON_AUTOSTANDBY; |
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364 | } else { |
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365 | mode = ESM_ON_STANDBY; |
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366 | } |
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367 | } else { |
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368 | mode = ESM_RUNNING; |
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369 | } |
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370 | |
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371 | return emul_esd_int_write(client, mode, vio); |
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372 | } |
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373 | |
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374 | int emul_esd_on_stream_pan (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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375 | struct roar_stream_server * ss; |
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376 | int stream = -1; |
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377 | int left = 256, right = 256; |
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378 | int ok = 0; |
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379 | |
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380 | emul_esd_int_read_buf(client, &stream, data + 0*_INTSIZE); |
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381 | emul_esd_int_read_buf(client, &left, data + 1*_INTSIZE); |
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382 | emul_esd_int_read_buf(client, &right, data + 2*_INTSIZE); |
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383 | |
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384 | stream = _ESD2ROAR(stream); |
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385 | |
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386 | if ( streams_get(stream, &ss) != -1 ) { |
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387 | ss->mixer.scale = 256; |
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388 | ss->mixer.mixer[0] = left; |
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389 | ss->mixer.mixer[1] = right; |
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390 | if ( streams_set_mixer(stream) != -1 ) |
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391 | ok = 1; |
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392 | } |
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393 | |
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394 | return emul_esd_int_write(client, ok, vio); |
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395 | } |
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396 | |
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397 | int emul_esd_on_server_info(int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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398 | int version = 0; |
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399 | int rate = g_sa->rate; |
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400 | int format = 0; |
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401 | |
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402 | switch (g_sa->bits) { |
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403 | case 8: format |= ESD_BITS8; break; |
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404 | case 16: format |= ESD_BITS16; break; |
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405 | } |
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406 | |
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407 | switch (g_sa->channels) { |
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408 | case 1: format |= ESD_MONO; break; |
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409 | case 2: format |= ESD_STEREO; break; |
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410 | } |
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411 | |
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412 | if ( emul_esd_int_write(client, version, vio) == -1 ) |
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413 | return -1; |
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414 | |
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415 | if ( emul_esd_int_write(client, rate, vio) == -1 ) |
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416 | return -1; |
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417 | |
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418 | if ( emul_esd_int_write(client, format, vio) == -1 ) |
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419 | return -1; |
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420 | |
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421 | return 0; |
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422 | } |
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423 | |
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424 | int emul_esd_on_all_info (int client, struct emul_esd_command * cmd, void * data, struct roar_vio_calls * vio) { |
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425 | struct roar_stream_server * ss; |
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426 | struct roar_audio_info * info; |
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427 | struct roar_client * c; |
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428 | char name[ESD_NAME_MAX]; |
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429 | char * sname; |
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430 | int id, rate, left, right, format; |
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431 | int i; |
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432 | |
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433 | if ( emul_esd_on_server_info(client, cmd, data, vio) == -1 ) |
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434 | return -1; |
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435 | |
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436 | for (i = 0; i < (ROAR_STREAMS_MAX+2); i++) { |
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437 | memset(name, 0, sizeof(name)); |
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438 | |
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439 | id = rate = format = 0; |
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440 | left = right = 0; |
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441 | |
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442 | if ( i >= ROAR_STREAMS_MAX ) { |
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443 | id = -1; |
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444 | } else { |
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445 | if ( streams_get(i, &ss) == -1 ) |
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446 | continue; |
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447 | |
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448 | switch (streams_get_dir(i)) { |
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449 | case ROAR_DIR_PLAY: format |= ESD_PLAY; break; |
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450 | case ROAR_DIR_MONITOR: format |= ESD_MONITOR; break; |
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451 | case ROAR_DIR_RECORD: format |= ESD_RECORD; break; |
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452 | default: continue; break; |
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453 | } |
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454 | |
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455 | info = &(ROAR_STREAM(ss)->info); |
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456 | |
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457 | id = i; |
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458 | rate = info->rate; |
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459 | |
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460 | switch (info->bits) { |
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461 | case 8: format |= ESD_BITS8; break; |
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462 | case 16: format |= ESD_BITS16; break; |
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463 | } |
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464 | |
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465 | switch (info->channels) { |
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466 | case 1: |
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467 | if ( ss->mixer.mixer[0] == ss->mixer.scale ) { |
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468 | left = right = 256; |
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469 | } else { |
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470 | left = right = ss->mixer.mixer[0] * 256 / ss->mixer.scale; |
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471 | } |
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472 | format |= ESD_MONO; |
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473 | break; |
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474 | case 2: |
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475 | if ( ss->mixer.mixer[0] == ss->mixer.scale ) { |
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476 | left = 256; |
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477 | } else { |
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478 | left = ss->mixer.mixer[0] * 256 / ss->mixer.scale; |
---|
479 | } |
---|
480 | |
---|
481 | if ( ss->mixer.mixer[1] == ss->mixer.scale ) { |
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482 | right = 256; |
---|
483 | } else { |
---|
484 | right = ss->mixer.mixer[1] * 256 / ss->mixer.scale; |
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485 | } |
---|
486 | |
---|
487 | format |= ESD_STEREO; |
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488 | break; |
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489 | default: |
---|
490 | left = right = 0; |
---|
491 | } |
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492 | |
---|
493 | sname = streams_get_name(id); |
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494 | |
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495 | if ( sname == NULL || sname[0] == 0 ) { |
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496 | if ( clients_get(streams_get_client(id), &c) != -1 ) { |
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497 | sname = c->name; |
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498 | } |
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499 | } |
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500 | |
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501 | if ( sname == NULL || sname[0] == 0 ) |
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502 | sname = "(unknown)"; |
---|
503 | |
---|
504 | strncpy(name, sname, sizeof(name) > ROAR_BUFFER_NAME ? ROAR_BUFFER_NAME : sizeof(name)); |
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505 | name[sizeof(name)-1] = 0; |
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506 | |
---|
507 | } |
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508 | |
---|
509 | id = _ROAR2ESD(id); |
---|
510 | |
---|
511 | if ( emul_esd_int_write(client, id, vio) == -1 ) |
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512 | return -1; |
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513 | if ( roar_vio_write(vio, name, sizeof(name)) != sizeof(name) ) |
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514 | return -1; |
---|
515 | if ( emul_esd_int_write(client, rate, vio) == -1 ) |
---|
516 | return -1; |
---|
517 | if ( emul_esd_int_write(client, left, vio) == -1 ) |
---|
518 | return -1; |
---|
519 | if ( emul_esd_int_write(client, right, vio) == -1 ) |
---|
520 | return -1; |
---|
521 | if ( emul_esd_int_write(client, format, vio) == -1 ) |
---|
522 | return -1; |
---|
523 | |
---|
524 | if ( i == ROAR_STREAMS_MAX+1) { |
---|
525 | // write 'length'... |
---|
526 | if ( emul_esd_int_write(client, id, vio) == -1 ) |
---|
527 | return -1; |
---|
528 | } |
---|
529 | } |
---|
530 | |
---|
531 | return 0; |
---|
532 | } |
---|
533 | |
---|
534 | #endif |
---|
535 | #endif |
---|
536 | |
---|
537 | //ll |
---|