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1 /* |
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2 * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 #define USE_ERROR |
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27 //#define USE_TRACE |
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28 |
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29 #include "Ports.h" |
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30 #include "PLATFORM_API_SolarisOS_Utils.h" |
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31 |
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32 #if USE_PORTS == TRUE |
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33 |
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34 #define MONITOR_GAIN_STRING "Monitor Gain" |
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35 |
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36 #define ALL_TARGET_PORT_COUNT 6 |
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37 |
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38 // define the following to not use audio_prinfo_t.mod_ports |
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39 #define SOLARIS7_COMPATIBLE |
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40 |
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41 // Solaris audio defines |
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42 static int targetPorts[ALL_TARGET_PORT_COUNT] = { |
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43 AUDIO_SPEAKER, |
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44 AUDIO_HEADPHONE, |
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45 AUDIO_LINE_OUT, |
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46 AUDIO_AUX1_OUT, |
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47 AUDIO_AUX2_OUT, |
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48 AUDIO_SPDIF_OUT |
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49 }; |
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50 |
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51 static char* targetPortNames[ALL_TARGET_PORT_COUNT] = { |
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52 "Speaker", |
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53 "Headphone", |
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54 "Line Out", |
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55 "AUX1 Out", |
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56 "AUX2 Out", |
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57 "SPDIF Out" |
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58 }; |
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59 |
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60 // defined in Ports.h |
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61 static int targetPortJavaSoundMapping[ALL_TARGET_PORT_COUNT] = { |
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62 PORT_DST_SPEAKER, |
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63 PORT_DST_HEADPHONE, |
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64 PORT_DST_LINE_OUT, |
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65 PORT_DST_UNKNOWN, |
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66 PORT_DST_UNKNOWN, |
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67 PORT_DST_UNKNOWN, |
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68 }; |
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69 |
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70 #define ALL_SOURCE_PORT_COUNT 7 |
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71 |
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72 // Solaris audio defines |
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73 static int sourcePorts[ALL_SOURCE_PORT_COUNT] = { |
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74 AUDIO_MICROPHONE, |
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75 AUDIO_LINE_IN, |
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76 AUDIO_CD, |
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77 AUDIO_AUX1_IN, |
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78 AUDIO_AUX2_IN, |
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79 AUDIO_SPDIF_IN, |
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80 AUDIO_CODEC_LOOPB_IN |
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81 }; |
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82 |
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83 static char* sourcePortNames[ALL_SOURCE_PORT_COUNT] = { |
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84 "Microphone In", |
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85 "Line In", |
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86 "Compact Disc In", |
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87 "AUX1 In", |
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88 "AUX2 In", |
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89 "SPDIF In", |
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90 "Internal Loopback" |
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91 }; |
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92 |
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93 // Ports.h defines |
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94 static int sourcePortJavaSoundMapping[ALL_SOURCE_PORT_COUNT] = { |
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95 PORT_SRC_MICROPHONE, |
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96 PORT_SRC_LINE_IN, |
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97 PORT_SRC_COMPACT_DISC, |
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98 PORT_SRC_UNKNOWN, |
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99 PORT_SRC_UNKNOWN, |
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100 PORT_SRC_UNKNOWN, |
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101 PORT_SRC_UNKNOWN |
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102 }; |
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103 |
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104 struct tag_PortControlID; |
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105 |
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106 typedef struct tag_PortInfo { |
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107 int fd; // file descriptor of the pseudo device |
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108 audio_info_t audioInfo; |
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109 // ports |
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110 int targetPortCount; |
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111 int sourcePortCount; |
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112 // indexes to sourcePorts/targetPorts |
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113 // contains first target ports, then source ports |
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114 int ports[ALL_TARGET_PORT_COUNT + ALL_SOURCE_PORT_COUNT]; |
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115 // controls |
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116 int maxControlCount; // upper bound of number of controls |
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117 int usedControlIDs; // number of items already filled in controlIDs |
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118 struct tag_PortControlID* controlIDs; // the control IDs themselves |
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119 } PortInfo; |
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120 |
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121 #define PORT_CONTROL_TYPE_PLAY 0x4000000 |
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122 #define PORT_CONTROL_TYPE_RECORD 0x8000000 |
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123 #define PORT_CONTROL_TYPE_SELECT_PORT 1 |
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124 #define PORT_CONTROL_TYPE_GAIN 2 |
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125 #define PORT_CONTROL_TYPE_BALANCE 3 |
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126 #define PORT_CONTROL_TYPE_MONITOR_GAIN 10 |
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127 #define PORT_CONTROL_TYPE_OUTPUT_MUTED 11 |
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128 #define PORT_CONTROL_TYPE_PLAYRECORD_MASK PORT_CONTROL_TYPE_PLAY | PORT_CONTROL_TYPE_RECORD |
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129 #define PORT_CONTROL_TYPE_MASK 0xFFFFFF |
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130 |
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131 |
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132 typedef struct tag_PortControlID { |
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133 PortInfo* portInfo; |
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134 INT32 controlType; // PORT_CONTROL_TYPE_XX |
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135 uint_t port; |
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136 } PortControlID; |
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137 |
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138 |
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139 ///// implemented functions of Ports.h |
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140 |
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141 INT32 PORT_GetPortMixerCount() { |
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142 return (INT32) getAudioDeviceCount(); |
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143 } |
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144 |
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145 |
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146 INT32 PORT_GetPortMixerDescription(INT32 mixerIndex, PortMixerDescription* description) { |
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147 AudioDeviceDescription desc; |
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148 |
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149 if (getAudioDeviceDescriptionByIndex(mixerIndex, &desc, TRUE)) { |
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150 strncpy(description->name, desc.name, PORT_STRING_LENGTH-1); |
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151 description->name[PORT_STRING_LENGTH-1] = 0; |
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152 strncpy(description->vendor, desc.vendor, PORT_STRING_LENGTH-1); |
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153 description->vendor[PORT_STRING_LENGTH-1] = 0; |
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154 strncpy(description->version, desc.version, PORT_STRING_LENGTH-1); |
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155 description->version[PORT_STRING_LENGTH-1] = 0; |
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156 /*strncpy(description->description, desc.description, PORT_STRING_LENGTH-1);*/ |
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157 strncpy(description->description, "Solaris Ports", PORT_STRING_LENGTH-1); |
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158 description->description[PORT_STRING_LENGTH-1] = 0; |
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159 return TRUE; |
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160 } |
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161 return FALSE; |
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162 } |
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163 |
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164 |
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165 void* PORT_Open(INT32 mixerIndex) { |
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166 PortInfo* info = NULL; |
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167 int fd = -1; |
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168 AudioDeviceDescription desc; |
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169 int success = FALSE; |
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170 |
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171 TRACE0("PORT_Open\n"); |
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172 if (getAudioDeviceDescriptionByIndex(mixerIndex, &desc, FALSE)) { |
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173 fd = open(desc.pathctl, O_RDWR); |
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174 } |
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175 if (fd < 0) { |
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176 ERROR1("Couldn't open audio device ctl for device %d!\n", mixerIndex); |
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177 return NULL; |
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178 } |
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179 |
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180 info = (PortInfo*) malloc(sizeof(PortInfo)); |
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181 if (info != NULL) { |
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182 memset(info, 0, sizeof(PortInfo)); |
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183 info->fd = fd; |
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184 success = TRUE; |
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185 } |
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186 if (!success) { |
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187 if (fd >= 0) { |
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188 close(fd); |
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189 } |
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190 PORT_Close((void*) info); |
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191 info = NULL; |
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192 } |
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193 return info; |
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194 } |
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195 |
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196 void PORT_Close(void* id) { |
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197 TRACE0("PORT_Close\n"); |
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198 if (id != NULL) { |
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199 PortInfo* info = (PortInfo*) id; |
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200 if (info->fd >= 0) { |
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201 close(info->fd); |
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202 info->fd = -1; |
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203 } |
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204 if (info->controlIDs) { |
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205 free(info->controlIDs); |
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206 info->controlIDs = NULL; |
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207 } |
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208 free(info); |
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209 } |
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210 } |
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211 |
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212 |
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213 |
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214 INT32 PORT_GetPortCount(void* id) { |
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215 int ret = 0; |
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216 PortInfo* info = (PortInfo*) id; |
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217 if (info != NULL) { |
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218 if (!info->targetPortCount && !info->sourcePortCount) { |
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219 int i; |
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220 AUDIO_INITINFO(&info->audioInfo); |
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221 if (ioctl(info->fd, AUDIO_GETINFO, &info->audioInfo) >= 0) { |
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222 for (i = 0; i < ALL_TARGET_PORT_COUNT; i++) { |
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223 if (info->audioInfo.play.avail_ports & targetPorts[i]) { |
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224 info->ports[info->targetPortCount] = i; |
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225 info->targetPortCount++; |
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226 } |
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227 #ifdef SOLARIS7_COMPATIBLE |
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228 TRACE3("Target %d %s: avail=%d\n", i, targetPortNames[i], |
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229 info->audioInfo.play.avail_ports & targetPorts[i]); |
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230 #else |
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231 TRACE4("Target %d %s: avail=%d mod=%d\n", i, targetPortNames[i], |
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232 info->audioInfo.play.avail_ports & targetPorts[i], |
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233 info->audioInfo.play.mod_ports & targetPorts[i]); |
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234 #endif |
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235 } |
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236 for (i = 0; i < ALL_SOURCE_PORT_COUNT; i++) { |
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237 if (info->audioInfo.record.avail_ports & sourcePorts[i]) { |
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238 info->ports[info->targetPortCount + info->sourcePortCount] = i; |
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239 info->sourcePortCount++; |
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240 } |
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241 #ifdef SOLARIS7_COMPATIBLE |
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242 TRACE3("Source %d %s: avail=%d\n", i, sourcePortNames[i], |
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243 info->audioInfo.record.avail_ports & sourcePorts[i]); |
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244 #else |
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245 TRACE4("Source %d %s: avail=%d mod=%d\n", i, sourcePortNames[i], |
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246 info->audioInfo.record.avail_ports & sourcePorts[i], |
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247 info->audioInfo.record.mod_ports & sourcePorts[i]); |
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248 #endif |
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249 } |
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250 } |
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251 } |
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252 ret = info->targetPortCount + info->sourcePortCount; |
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253 } |
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254 return ret; |
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255 } |
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256 |
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257 int isSourcePort(PortInfo* info, INT32 portIndex) { |
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258 return (portIndex >= info->targetPortCount); |
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259 } |
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260 |
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261 INT32 PORT_GetPortType(void* id, INT32 portIndex) { |
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262 PortInfo* info = (PortInfo*) id; |
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263 if ((portIndex >= 0) && (portIndex < PORT_GetPortCount(id))) { |
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264 if (isSourcePort(info, portIndex)) { |
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265 return sourcePortJavaSoundMapping[info->ports[portIndex]]; |
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266 } else { |
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267 return targetPortJavaSoundMapping[info->ports[portIndex]]; |
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268 } |
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269 } |
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270 return 0; |
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271 } |
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272 |
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273 // pre-condition: portIndex must have been verified! |
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274 char* getPortName(PortInfo* info, INT32 portIndex) { |
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275 char* ret = NULL; |
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276 |
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277 if (isSourcePort(info, portIndex)) { |
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278 ret = sourcePortNames[info->ports[portIndex]]; |
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279 } else { |
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280 ret = targetPortNames[info->ports[portIndex]]; |
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281 } |
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282 return ret; |
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283 } |
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284 |
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285 INT32 PORT_GetPortName(void* id, INT32 portIndex, char* name, INT32 len) { |
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286 PortInfo* info = (PortInfo*) id; |
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287 char* n; |
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288 |
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289 if ((portIndex >= 0) && (portIndex < PORT_GetPortCount(id))) { |
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290 n = getPortName(info, portIndex); |
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291 if (n) { |
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292 strncpy(name, n, len-1); |
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293 name[len-1] = 0; |
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294 return TRUE; |
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295 } |
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296 } |
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297 return FALSE; |
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298 } |
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299 |
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300 void createPortControl(PortInfo* info, PortControlCreator* creator, INT32 portIndex, |
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301 INT32 type, void** controlObjects, int* controlCount) { |
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302 PortControlID* controlID; |
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303 void* newControl = NULL; |
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304 int controlIndex; |
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305 char* jsType = NULL; |
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306 int isBoolean = FALSE; |
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307 |
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308 TRACE0(">createPortControl\n"); |
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309 |
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310 // fill the ControlID structure and add this control |
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311 if (info->usedControlIDs >= info->maxControlCount) { |
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312 ERROR1("not enough free controlIDs !! maxControlIDs = %d\n", info->maxControlCount); |
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313 return; |
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314 } |
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315 controlID = &(info->controlIDs[info->usedControlIDs]); |
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316 controlID->portInfo = info; |
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317 controlID->controlType = type; |
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318 controlIndex = info->ports[portIndex]; |
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319 if (isSourcePort(info, portIndex)) { |
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320 controlID->port = sourcePorts[controlIndex]; |
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321 } else { |
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322 controlID->port = targetPorts[controlIndex]; |
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323 } |
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324 switch (type & PORT_CONTROL_TYPE_MASK) { |
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325 case PORT_CONTROL_TYPE_SELECT_PORT: |
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326 jsType = CONTROL_TYPE_SELECT; isBoolean = TRUE; break; |
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327 case PORT_CONTROL_TYPE_GAIN: |
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328 jsType = CONTROL_TYPE_VOLUME; break; |
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329 case PORT_CONTROL_TYPE_BALANCE: |
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330 jsType = CONTROL_TYPE_BALANCE; break; |
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331 case PORT_CONTROL_TYPE_MONITOR_GAIN: |
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332 jsType = CONTROL_TYPE_VOLUME; break; |
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333 case PORT_CONTROL_TYPE_OUTPUT_MUTED: |
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334 jsType = CONTROL_TYPE_MUTE; isBoolean = TRUE; break; |
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335 } |
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336 if (isBoolean) { |
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337 TRACE0(" PORT_CONTROL_TYPE_BOOLEAN\n"); |
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338 newControl = (creator->newBooleanControl)(creator, controlID, jsType); |
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339 } |
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340 else if (jsType == CONTROL_TYPE_BALANCE) { |
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341 TRACE0(" PORT_CONTROL_TYPE_BALANCE\n"); |
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342 newControl = (creator->newFloatControl)(creator, controlID, jsType, |
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343 -1.0f, 1.0f, 2.0f / 65.0f, ""); |
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344 } else { |
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345 TRACE0(" PORT_CONTROL_TYPE_FLOAT\n"); |
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346 newControl = (creator->newFloatControl)(creator, controlID, jsType, |
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347 0.0f, 1.0f, 1.0f / 256.0f, ""); |
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348 } |
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349 if (newControl) { |
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350 controlObjects[*controlCount] = newControl; |
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351 (*controlCount)++; |
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352 info->usedControlIDs++; |
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353 } |
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354 TRACE0("<createPortControl\n"); |
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355 } |
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356 |
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357 |
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358 void addCompoundControl(PortInfo* info, PortControlCreator* creator, char* name, void** controlObjects, int* controlCount) { |
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359 void* compControl; |
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360 |
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361 TRACE1(">addCompoundControl %d controls\n", *controlCount); |
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362 if (*controlCount) { |
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363 // create compound control and add it to the vector |
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364 compControl = (creator->newCompoundControl)(creator, name, controlObjects, *controlCount); |
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365 if (compControl) { |
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366 TRACE1(" addCompoundControl: calling addControl %p\n", compControl); |
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367 (creator->addControl)(creator, compControl); |
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368 } |
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369 *controlCount = 0; |
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370 } |
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371 TRACE0("<addCompoundControl\n"); |
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372 } |
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373 |
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374 void addAllControls(PortInfo* info, PortControlCreator* creator, void** controlObjects, int* controlCount) { |
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375 int i = 0; |
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376 |
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377 TRACE0(">addAllControl\n"); |
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378 // go through all controls and add them to the vector |
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379 for (i = 0; i < *controlCount; i++) { |
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380 (creator->addControl)(creator, controlObjects[i]); |
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381 } |
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382 *controlCount = 0; |
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383 TRACE0("<addAllControl\n"); |
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384 } |
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385 |
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386 void PORT_GetControls(void* id, INT32 portIndex, PortControlCreator* creator) { |
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387 PortInfo* info = (PortInfo*) id; |
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388 int portCount = PORT_GetPortCount(id); |
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389 void* controls[4]; |
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390 int controlCount = 0; |
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391 INT32 type; |
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392 int selectable = 1; |
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393 memset(controls, 0, sizeof(controls)); |
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394 |
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395 TRACE4(">PORT_GetControls(id=%p, portIndex=%d). controlIDs=%p, maxControlCount=%d\n", |
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396 id, portIndex, info->controlIDs, info->maxControlCount); |
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397 if ((portIndex >= 0) && (portIndex < portCount)) { |
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398 // if the memory isn't reserved for the control structures, allocate it |
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399 if (!info->controlIDs) { |
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400 int maxCount = 0; |
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401 TRACE0("getControl: allocate mem\n"); |
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402 // get a maximum number of controls: |
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403 // each port has a select, balance, and volume control. |
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404 maxCount = 3 * portCount; |
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405 // then there is monitorGain and outputMuted |
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406 maxCount += (2 * info->targetPortCount); |
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407 info->maxControlCount = maxCount; |
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408 info->controlIDs = (PortControlID*) malloc(sizeof(PortControlID) * maxCount); |
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409 } |
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410 if (!isSourcePort(info, portIndex)) { |
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411 type = PORT_CONTROL_TYPE_PLAY; |
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412 // add master mute control |
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413 createPortControl(info, creator, portIndex, |
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414 type | PORT_CONTROL_TYPE_OUTPUT_MUTED, |
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415 controls, &controlCount); |
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416 addAllControls(info, creator, controls, &controlCount); |
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417 #ifdef SOLARIS7_COMPATIBLE |
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418 selectable = info->audioInfo.play.avail_ports & targetPorts[info->ports[portIndex]]; |
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419 #else |
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420 selectable = info->audioInfo.play.mod_ports & targetPorts[info->ports[portIndex]]; |
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421 #endif |
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422 } else { |
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423 type = PORT_CONTROL_TYPE_RECORD; |
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424 #ifdef SOLARIS7_COMPATIBLE |
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425 selectable = info->audioInfo.record.avail_ports & sourcePorts[info->ports[portIndex]]; |
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426 #else |
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427 selectable = info->audioInfo.record.mod_ports & sourcePorts[info->ports[portIndex]]; |
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428 #endif |
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429 } |
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430 // add a mixer strip with volume, ... |
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431 createPortControl(info, creator, portIndex, |
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432 type | PORT_CONTROL_TYPE_GAIN, |
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433 controls, &controlCount); |
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434 // ... balance, ... |
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435 createPortControl(info, creator, portIndex, |
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436 type | PORT_CONTROL_TYPE_BALANCE, |
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437 controls, &controlCount); |
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438 // ... and select control (if not always on)... |
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439 if (selectable) { |
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440 createPortControl(info, creator, portIndex, |
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441 type | PORT_CONTROL_TYPE_SELECT_PORT, |
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442 controls, &controlCount); |
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443 } |
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444 // ... packaged in a compound control. |
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445 addCompoundControl(info, creator, getPortName(info, portIndex), controls, &controlCount); |
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446 |
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447 if (type == PORT_CONTROL_TYPE_PLAY) { |
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448 // add a single strip for source ports with monitor gain |
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449 createPortControl(info, creator, portIndex, |
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450 type | PORT_CONTROL_TYPE_MONITOR_GAIN, |
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451 controls, &controlCount); |
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452 // also in a compound control |
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453 addCompoundControl(info, creator, MONITOR_GAIN_STRING, controls, &controlCount); |
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454 } |
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455 } |
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456 TRACE0("< PORT_getControls\n"); |
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457 } |
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458 |
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459 INT32 PORT_GetIntValue(void* controlIDV) { |
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460 PortControlID* controlID = (PortControlID*) controlIDV; |
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461 audio_info_t audioInfo; |
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462 audio_prinfo_t* prinfo; |
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463 |
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464 AUDIO_INITINFO(&audioInfo); |
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465 if (ioctl(controlID->portInfo->fd, AUDIO_GETINFO, &audioInfo) >= 0) { |
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466 if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) { |
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467 prinfo = &(audioInfo.play); |
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468 } else { |
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469 prinfo = &(audioInfo.record); |
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470 } |
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471 switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) { |
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472 case PORT_CONTROL_TYPE_SELECT_PORT: |
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473 return (prinfo->port & controlID->port)?TRUE:FALSE; |
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474 case PORT_CONTROL_TYPE_OUTPUT_MUTED: |
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475 return (audioInfo.output_muted)?TRUE:FALSE; |
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476 default: |
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477 ERROR1("PORT_GetIntValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK); |
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478 } |
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479 } |
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480 ERROR0("PORT_GetIntValue: Could not ioctl!\n"); |
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481 return 0; |
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482 } |
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483 |
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484 void PORT_SetIntValue(void* controlIDV, INT32 value) { |
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485 PortControlID* controlID = (PortControlID*) controlIDV; |
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486 audio_info_t audioInfo; |
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487 audio_prinfo_t* prinfo; |
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488 int setPort; |
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489 |
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490 if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) { |
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491 prinfo = &(audioInfo.play); |
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492 } else { |
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493 prinfo = &(audioInfo.record); |
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494 } |
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495 switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) { |
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496 case PORT_CONTROL_TYPE_SELECT_PORT: |
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497 // first try to just add this port. if that fails, set ONLY to this port. |
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498 AUDIO_INITINFO(&audioInfo); |
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499 if (ioctl(controlID->portInfo->fd, AUDIO_GETINFO, &audioInfo) >= 0) { |
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500 if (value) { |
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501 setPort = (prinfo->port | controlID->port); |
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502 } else { |
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503 setPort = (prinfo->port - controlID->port); |
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504 } |
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505 AUDIO_INITINFO(&audioInfo); |
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506 prinfo->port = setPort; |
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507 if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) { |
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508 // didn't work. Either this line doesn't support to select several |
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509 // ports at once (e.g. record), or a real error |
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510 if (value) { |
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511 // set to ONLY this port (and disable any other currently selected ports) |
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512 AUDIO_INITINFO(&audioInfo); |
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513 prinfo->port = controlID->port; |
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514 if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) { |
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515 ERROR2("Error setting output select port %d to port %d!\n", controlID->port, controlID->port); |
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516 } |
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517 } else { |
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518 // assume it's an error |
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519 ERROR2("Error setting output select port %d to port %d!\n", controlID->port, setPort); |
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520 } |
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521 } |
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522 break; |
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523 case PORT_CONTROL_TYPE_OUTPUT_MUTED: |
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524 AUDIO_INITINFO(&audioInfo); |
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525 audioInfo.output_muted = (value?TRUE:FALSE); |
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526 if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) { |
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527 ERROR2("Error setting output muted on port %d to %d!\n", controlID->port, value); |
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528 } |
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529 break; |
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530 default: |
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531 ERROR1("PORT_SetIntValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK); |
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532 } |
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533 } |
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534 } |
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535 |
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536 float PORT_GetFloatValue(void* controlIDV) { |
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537 PortControlID* controlID = (PortControlID*) controlIDV; |
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538 audio_info_t audioInfo; |
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539 audio_prinfo_t* prinfo; |
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540 |
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541 AUDIO_INITINFO(&audioInfo); |
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542 if (ioctl(controlID->portInfo->fd, AUDIO_GETINFO, &audioInfo) >= 0) { |
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543 if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) { |
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544 prinfo = &(audioInfo.play); |
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545 } else { |
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546 prinfo = &(audioInfo.record); |
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547 } |
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548 switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) { |
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549 case PORT_CONTROL_TYPE_GAIN: |
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550 return ((float) (prinfo->gain - AUDIO_MIN_GAIN)) |
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551 / ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN)); |
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552 case PORT_CONTROL_TYPE_BALANCE: |
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553 return ((float) ((prinfo->balance - AUDIO_LEFT_BALANCE - AUDIO_MID_BALANCE) << 1)) |
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554 / ((float) (AUDIO_RIGHT_BALANCE - AUDIO_LEFT_BALANCE)); |
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555 case PORT_CONTROL_TYPE_MONITOR_GAIN: |
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556 return ((float) (audioInfo.monitor_gain - AUDIO_MIN_GAIN)) |
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557 / ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN)); |
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558 default: |
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559 ERROR1("PORT_GetFloatValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK); |
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560 } |
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561 } |
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562 ERROR0("PORT_GetFloatValue: Could not ioctl!\n"); |
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563 return 0.0f; |
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564 } |
|
565 |
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566 void PORT_SetFloatValue(void* controlIDV, float value) { |
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567 PortControlID* controlID = (PortControlID*) controlIDV; |
|
568 audio_info_t audioInfo; |
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569 audio_prinfo_t* prinfo; |
|
570 |
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571 AUDIO_INITINFO(&audioInfo); |
|
572 |
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573 if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) { |
|
574 prinfo = &(audioInfo.play); |
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575 } else { |
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576 prinfo = &(audioInfo.record); |
|
577 } |
|
578 switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) { |
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579 case PORT_CONTROL_TYPE_GAIN: |
|
580 prinfo->gain = AUDIO_MIN_GAIN |
|
581 + (int) ((value * ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN))) + 0.5f); |
|
582 break; |
|
583 case PORT_CONTROL_TYPE_BALANCE: |
|
584 prinfo->balance = AUDIO_LEFT_BALANCE + AUDIO_MID_BALANCE |
|
585 + ((int) (value * ((float) ((AUDIO_RIGHT_BALANCE - AUDIO_LEFT_BALANCE) >> 1))) + 0.5f); |
|
586 break; |
|
587 case PORT_CONTROL_TYPE_MONITOR_GAIN: |
|
588 audioInfo.monitor_gain = AUDIO_MIN_GAIN |
|
589 + (int) ((value * ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN))) + 0.5f); |
|
590 break; |
|
591 default: |
|
592 ERROR1("PORT_SetFloatValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK); |
|
593 return; |
|
594 } |
|
595 if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) { |
|
596 ERROR0("PORT_SetFloatValue: Could not ioctl!\n"); |
|
597 } |
|
598 } |
|
599 |
|
600 #endif // USE_PORTS |