1 | /* $Id: DrvHostAudioDebug.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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2 | /** @file
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3 | * Host audio driver - Debug - For dumping and injecting audio data from/to the device emulation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2016-2024 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 |
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29 | /*********************************************************************************************************************************
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30 | * Header Files *
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31 | *********************************************************************************************************************************/
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32 | #define LOG_GROUP LOG_GROUP_DRV_HOST_AUDIO
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33 | #include <VBox/log.h>
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34 | #include <VBox/vmm/pdmaudioifs.h>
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35 | #include <VBox/vmm/pdmaudioinline.h>
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36 |
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37 | #include <iprt/uuid.h> /* For PDMIBASE_2_PDMDRV. */
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38 |
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39 | #include "AudioHlp.h"
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40 | #include "AudioTest.h"
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41 | #include "VBoxDD.h"
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42 |
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43 |
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44 | /*********************************************************************************************************************************
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45 | * Structures and Typedefs *
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46 | *********************************************************************************************************************************/
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47 | /**
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48 | * Debug host audio stream.
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49 | */
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50 | typedef struct DRVHSTAUDDEBUGSTREAM
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51 | {
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52 | /** Common part. */
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53 | PDMAUDIOBACKENDSTREAM Core;
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54 | /** The stream's acquired configuration. */
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55 | PDMAUDIOSTREAMCFG Cfg;
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56 | /** Audio file to dump output to or read input from. */
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57 | PAUDIOHLPFILE pFile;
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58 | union
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59 | {
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60 | AUDIOTESTTONE In;
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61 | };
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62 | } DRVHSTAUDDEBUGSTREAM;
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63 | /** Pointer to a debug host audio stream. */
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64 | typedef DRVHSTAUDDEBUGSTREAM *PDRVHSTAUDDEBUGSTREAM;
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65 |
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66 | /**
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67 | * Debug audio driver instance data.
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68 | * @implements PDMIAUDIOCONNECTOR
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69 | */
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70 | typedef struct DRVHSTAUDDEBUG
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71 | {
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72 | /** Pointer to the driver instance structure. */
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73 | PPDMDRVINS pDrvIns;
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74 | /** Pointer to host audio interface. */
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75 | PDMIHOSTAUDIO IHostAudio;
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76 | } DRVHSTAUDDEBUG;
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77 | /** Pointer to a debug host audio driver. */
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78 | typedef DRVHSTAUDDEBUG *PDRVHSTAUDDEBUG;
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79 |
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80 |
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81 | /**
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82 | * @interface_method_impl{PDMIHOSTAUDIO,pfnGetConfig}
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83 | */
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84 | static DECLCALLBACK(int) drvHstAudDebugHA_GetConfig(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDCFG pBackendCfg)
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85 | {
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86 | RT_NOREF(pInterface);
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87 | AssertPtrReturn(pBackendCfg, VERR_INVALID_POINTER);
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88 |
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89 | /*
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90 | * Fill in the config structure.
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91 | */
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92 | RTStrCopy(pBackendCfg->szName, sizeof(pBackendCfg->szName), "DebugAudio");
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93 | pBackendCfg->cbStream = sizeof(DRVHSTAUDDEBUGSTREAM);
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94 | pBackendCfg->fFlags = 0;
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95 | pBackendCfg->cMaxStreamsOut = 1; /* Output; writing to a file. */
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96 | pBackendCfg->cMaxStreamsIn = 1; /* Input; generates a sine wave. */
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97 |
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98 | return VINF_SUCCESS;
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99 | }
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100 |
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101 |
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102 | /**
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103 | * @interface_method_impl{PDMIHOSTAUDIO,pfnGetStatus}
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104 | */
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105 | static DECLCALLBACK(PDMAUDIOBACKENDSTS) drvHstAudDebugHA_GetStatus(PPDMIHOSTAUDIO pInterface, PDMAUDIODIR enmDir)
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106 | {
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107 | RT_NOREF(pInterface, enmDir);
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108 | return PDMAUDIOBACKENDSTS_RUNNING;
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109 | }
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110 |
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111 |
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112 | /**
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113 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamCreate}
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114 | */
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115 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamCreate(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream,
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116 | PCPDMAUDIOSTREAMCFG pCfgReq, PPDMAUDIOSTREAMCFG pCfgAcq)
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117 | {
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118 | PDRVHSTAUDDEBUG pThis = RT_FROM_MEMBER(pInterface, DRVHSTAUDDEBUG, IHostAudio);
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119 | PDRVHSTAUDDEBUGSTREAM pStreamDbg = (PDRVHSTAUDDEBUGSTREAM)pStream;
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120 | AssertPtrReturn(pStreamDbg, VERR_INVALID_POINTER);
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121 | AssertPtrReturn(pCfgReq, VERR_INVALID_POINTER);
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122 | AssertPtrReturn(pCfgAcq, VERR_INVALID_POINTER);
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123 |
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124 | PDMAudioStrmCfgCopy(&pStreamDbg->Cfg, pCfgAcq);
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125 |
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126 | if (pCfgReq->enmDir == PDMAUDIODIR_IN)
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127 | AudioTestToneInitRandom(&pStreamDbg->In, &pStreamDbg->Cfg.Props);
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128 |
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129 | int rc = AudioHlpFileCreateAndOpenEx(&pStreamDbg->pFile, AUDIOHLPFILETYPE_WAV, NULL /*use temp dir*/,
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130 | pThis->pDrvIns->iInstance, AUDIOHLPFILENAME_FLAGS_NONE, AUDIOHLPFILE_FLAGS_NONE,
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131 | &pCfgReq->Props, RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE_REPLACE,
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132 | pCfgReq->enmDir == PDMAUDIODIR_IN ? "DebugAudioIn" : "DebugAudioOut");
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133 | if (RT_FAILURE(rc))
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134 | LogRel(("DebugAudio: Failed to creating debug file for %s stream '%s' in the temp directory: %Rrc\n",
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135 | pCfgReq->enmDir == PDMAUDIODIR_IN ? "input" : "output", pCfgReq->szName, rc));
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136 |
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137 | return rc;
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138 | }
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139 |
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140 |
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141 | /**
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142 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamDestroy}
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143 | */
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144 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamDestroy(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream,
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145 | bool fImmediate)
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146 | {
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147 | RT_NOREF(pInterface, fImmediate);
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148 | PDRVHSTAUDDEBUGSTREAM pStreamDbg = (PDRVHSTAUDDEBUGSTREAM)pStream;
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149 | AssertPtrReturn(pStreamDbg, VERR_INVALID_POINTER);
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150 |
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151 | if (pStreamDbg->pFile)
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152 | {
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153 | AudioHlpFileDestroy(pStreamDbg->pFile);
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154 | pStreamDbg->pFile = NULL;
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155 | }
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156 |
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157 | return VINF_SUCCESS;
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158 | }
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159 |
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160 |
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161 | /**
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162 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamEnable}
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163 | */
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164 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamEnable(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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165 | {
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166 | RT_NOREF(pInterface, pStream);
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167 | return VINF_SUCCESS;
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168 | }
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169 |
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170 |
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171 | /**
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172 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamDisable}
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173 | */
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174 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamDisable(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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175 | {
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176 | RT_NOREF(pInterface, pStream);
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177 | return VINF_SUCCESS;
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178 | }
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179 |
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180 |
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181 | /**
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182 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamPause}
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183 | */
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184 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamPause(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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185 | {
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186 | RT_NOREF(pInterface, pStream);
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187 | return VINF_SUCCESS;
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188 | }
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189 |
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190 |
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191 | /**
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192 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamResume}
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193 | */
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194 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamResume(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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195 | {
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196 | RT_NOREF(pInterface, pStream);
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197 | return VINF_SUCCESS;
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198 | }
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199 |
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200 |
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201 | /**
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202 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamDrain}
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203 | */
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204 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamDrain(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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205 | {
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206 | RT_NOREF(pInterface, pStream);
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207 | return VINF_SUCCESS;
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208 | }
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209 |
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210 |
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211 | /**
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212 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamGetState}
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213 | */
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214 | static DECLCALLBACK(PDMHOSTAUDIOSTREAMSTATE) drvHstAudDebugHA_StreamGetState(PPDMIHOSTAUDIO pInterface,
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215 | PPDMAUDIOBACKENDSTREAM pStream)
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216 | {
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217 | RT_NOREF(pInterface);
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218 | AssertPtrReturn(pStream, PDMHOSTAUDIOSTREAMSTATE_INVALID);
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219 | return PDMHOSTAUDIOSTREAMSTATE_OKAY;
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220 | }
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221 |
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222 |
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223 | /**
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224 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamGetPending}
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225 | */
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226 | static DECLCALLBACK(uint32_t) drvHstAudDebugHA_StreamGetPending(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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227 | {
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228 | RT_NOREF(pInterface, pStream);
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229 | return 0;
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230 | }
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231 |
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232 |
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233 | /**
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234 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamGetWritable}
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235 | */
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236 | static DECLCALLBACK(uint32_t) drvHstAudDebugHA_StreamGetWritable(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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237 | {
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238 | RT_NOREF(pInterface, pStream);
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239 | return UINT32_MAX;
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240 | }
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241 |
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242 |
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243 | /**
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244 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamPlay}
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245 | */
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246 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamPlay(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream,
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247 | const void *pvBuf, uint32_t cbBuf, uint32_t *pcbWritten)
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248 | {
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249 | RT_NOREF(pInterface);
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250 | PDRVHSTAUDDEBUGSTREAM pStreamDbg = (PDRVHSTAUDDEBUGSTREAM)pStream;
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251 |
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252 | int rc = AudioHlpFileWrite(pStreamDbg->pFile, pvBuf, cbBuf);
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253 | if (RT_SUCCESS(rc))
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254 | *pcbWritten = cbBuf;
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255 | else
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256 | LogRelMax(32, ("DebugAudio: Writing output failed with %Rrc\n", rc));
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257 | return rc;
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258 | }
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259 |
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260 |
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261 | /**
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262 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamGetReadable}
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263 | */
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264 | static DECLCALLBACK(uint32_t) drvHstAudDebugHA_StreamGetReadable(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream)
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265 | {
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266 | RT_NOREF(pInterface);
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267 | PDRVHSTAUDDEBUGSTREAM pStreamDbg = (PDRVHSTAUDDEBUGSTREAM)pStream;
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268 |
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269 | return PDMAudioPropsMilliToBytes(&pStreamDbg->Cfg.Props, 10 /*ms*/);
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270 | }
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271 |
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272 |
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273 | /**
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274 | * @interface_method_impl{PDMIHOSTAUDIO,pfnStreamCapture}
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275 | */
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276 | static DECLCALLBACK(int) drvHstAudDebugHA_StreamCapture(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDSTREAM pStream,
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277 | void *pvBuf, uint32_t cbBuf, uint32_t *pcbRead)
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278 | {
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279 | RT_NOREF(pInterface);
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280 | PDRVHSTAUDDEBUGSTREAM pStreamDbg = (PDRVHSTAUDDEBUGSTREAM)pStream;
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281 | /** @todo rate limit this? */
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282 |
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283 | uint32_t cbWritten;
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284 | int rc = AudioTestToneGenerate(&pStreamDbg->In, pvBuf, cbBuf, &cbWritten);
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285 | if (RT_SUCCESS(rc))
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286 | {
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287 | /*
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288 | * Write it.
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289 | */
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290 | rc = AudioHlpFileWrite(pStreamDbg->pFile, pvBuf, cbWritten);
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291 | if (RT_SUCCESS(rc))
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292 | *pcbRead = cbWritten;
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293 | }
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294 |
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295 | if (RT_FAILURE(rc))
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296 | LogRelMax(32, ("DebugAudio: Writing input failed with %Rrc\n", rc));
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297 |
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298 | return rc;
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299 | }
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300 |
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301 |
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302 | /**
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303 | * @interface_method_impl{PDMIBASE,pfnQueryInterface}
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304 | */
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305 | static DECLCALLBACK(void *) drvHstAudDebugQueryInterface(PPDMIBASE pInterface, const char *pszIID)
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306 | {
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307 | PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
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308 | PDRVHSTAUDDEBUG pThis = PDMINS_2_DATA(pDrvIns, PDRVHSTAUDDEBUG);
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309 |
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310 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
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311 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIHOSTAUDIO, &pThis->IHostAudio);
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312 | return NULL;
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313 | }
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314 |
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315 |
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316 | /**
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317 | * Constructs a Null audio driver instance.
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318 | *
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319 | * @copydoc FNPDMDRVCONSTRUCT
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320 | */
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321 | static DECLCALLBACK(int) drvHstAudDebugConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
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322 | {
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323 | RT_NOREF(pCfg, fFlags);
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324 | PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
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325 | PDRVHSTAUDDEBUG pThis = PDMINS_2_DATA(pDrvIns, PDRVHSTAUDDEBUG);
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326 | LogRel(("Audio: Initializing DEBUG driver\n"));
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327 |
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328 | /*
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329 | * Init the static parts.
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330 | */
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331 | pThis->pDrvIns = pDrvIns;
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332 | /* IBase */
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333 | pDrvIns->IBase.pfnQueryInterface = drvHstAudDebugQueryInterface;
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334 | /* IHostAudio */
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335 | pThis->IHostAudio.pfnGetConfig = drvHstAudDebugHA_GetConfig;
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336 | pThis->IHostAudio.pfnGetDevices = NULL;
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337 | pThis->IHostAudio.pfnSetDevice = NULL;
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338 | pThis->IHostAudio.pfnGetStatus = drvHstAudDebugHA_GetStatus;
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339 | pThis->IHostAudio.pfnDoOnWorkerThread = NULL;
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340 | pThis->IHostAudio.pfnStreamConfigHint = NULL;
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341 | pThis->IHostAudio.pfnStreamCreate = drvHstAudDebugHA_StreamCreate;
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342 | pThis->IHostAudio.pfnStreamInitAsync = NULL;
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343 | pThis->IHostAudio.pfnStreamDestroy = drvHstAudDebugHA_StreamDestroy;
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344 | pThis->IHostAudio.pfnStreamNotifyDeviceChanged = NULL;
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345 | pThis->IHostAudio.pfnStreamEnable = drvHstAudDebugHA_StreamEnable;
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346 | pThis->IHostAudio.pfnStreamDisable = drvHstAudDebugHA_StreamDisable;
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347 | pThis->IHostAudio.pfnStreamPause = drvHstAudDebugHA_StreamPause;
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348 | pThis->IHostAudio.pfnStreamResume = drvHstAudDebugHA_StreamResume;
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349 | pThis->IHostAudio.pfnStreamDrain = drvHstAudDebugHA_StreamDrain;
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350 | pThis->IHostAudio.pfnStreamGetState = drvHstAudDebugHA_StreamGetState;
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351 | pThis->IHostAudio.pfnStreamGetPending = drvHstAudDebugHA_StreamGetPending;
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352 | pThis->IHostAudio.pfnStreamGetWritable = drvHstAudDebugHA_StreamGetWritable;
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353 | pThis->IHostAudio.pfnStreamPlay = drvHstAudDebugHA_StreamPlay;
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354 | pThis->IHostAudio.pfnStreamGetReadable = drvHstAudDebugHA_StreamGetReadable;
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355 | pThis->IHostAudio.pfnStreamCapture = drvHstAudDebugHA_StreamCapture;
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356 |
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357 | return VINF_SUCCESS;
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358 | }
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359 |
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360 | /**
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361 | * Char driver registration record.
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362 | */
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363 | const PDMDRVREG g_DrvHostDebugAudio =
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364 | {
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365 | /* u32Version */
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366 | PDM_DRVREG_VERSION,
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367 | /* szName */
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368 | "DebugAudio",
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369 | /* szRCMod */
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370 | "",
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371 | /* szR0Mod */
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372 | "",
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373 | /* pszDescription */
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374 | "Debug audio host driver",
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375 | /* fFlags */
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376 | PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
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377 | /* fClass. */
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378 | PDM_DRVREG_CLASS_AUDIO,
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379 | /* cMaxInstances */
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380 | ~0U,
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381 | /* cbInstance */
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382 | sizeof(DRVHSTAUDDEBUG),
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383 | /* pfnConstruct */
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384 | drvHstAudDebugConstruct,
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385 | /* pfnDestruct */
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386 | NULL,
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387 | /* pfnRelocate */
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388 | NULL,
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389 | /* pfnIOCtl */
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390 | NULL,
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391 | /* pfnPowerOn */
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392 | NULL,
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393 | /* pfnReset */
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394 | NULL,
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395 | /* pfnSuspend */
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396 | NULL,
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397 | /* pfnResume */
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398 | NULL,
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399 | /* pfnAttach */
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400 | NULL,
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401 | /* pfnDetach */
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402 | NULL,
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403 | /* pfnPowerOff */
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404 | NULL,
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405 | /* pfnSoftReset */
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406 | NULL,
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407 | /* u32EndVersion */
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408 | PDM_DRVREG_VERSION
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409 | };
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