| 1 | /* $Id: HostAudioDeviceImpl.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox COM class implementation - Host audio device implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2022-2023 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 | #define LOG_GROUP LOG_GROUP_MAIN_HOSTAUDIODEVICE
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| 29 | #include "HostAudioDeviceImpl.h"
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| 30 | #include "VirtualBoxImpl.h"
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| 31 |
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| 32 | #include <iprt/cpp/utils.h>
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| 33 |
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| 34 | #include <VBox/settings.h>
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| 35 |
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| 36 | #include "AutoCaller.h"
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| 37 | #include "LoggingNew.h"
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| 38 |
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| 39 |
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| 40 | // constructor / destructor
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| 41 | ////////////////////////////////////////////////////////////////////////////////
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| 42 |
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| 43 | HostAudioDevice::HostAudioDevice()
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| 44 | {
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| 45 | }
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| 46 |
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| 47 | HostAudioDevice::~HostAudioDevice()
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| 48 | {
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| 49 | }
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| 50 |
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| 51 | HRESULT HostAudioDevice::FinalConstruct()
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| 52 | {
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| 53 | return BaseFinalConstruct();
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| 54 | }
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| 55 |
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| 56 | void HostAudioDevice::FinalRelease()
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| 57 | {
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| 58 | uninit();
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| 59 | BaseFinalRelease();
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| 60 | }
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| 61 |
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| 62 |
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| 63 | // public initializer/uninitializer for internal purposes only
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| 64 | ////////////////////////////////////////////////////////////////////////////////
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| 65 |
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| 66 | /**
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| 67 | * Initializes the audio device object.
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| 68 | *
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| 69 | * @returns HRESULT
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| 70 | */
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| 71 | HRESULT HostAudioDevice::init(void)
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| 72 | {
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| 73 | /* Enclose the state transition NotReady->InInit->Ready */
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| 74 | AutoInitSpan autoInitSpan(this);
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| 75 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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| 76 |
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| 77 | /* Confirm a successful initialization */
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| 78 | autoInitSpan.setSucceeded();
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| 79 |
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| 80 | return S_OK;
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| 81 | }
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| 82 |
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| 83 | /**
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| 84 | * Uninitializes the instance and sets the ready flag to FALSE.
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| 85 | * Called either from FinalRelease() or by the parent when it gets destroyed.
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| 86 | */
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| 87 | void HostAudioDevice::uninit(void)
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| 88 | {
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| 89 | LogFlowThisFunc(("\n"));
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| 90 |
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| 91 | /* Enclose the state transition Ready->InUninit->NotReady */
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| 92 | AutoUninitSpan autoUninitSpan(this);
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| 93 | if (autoUninitSpan.uninitDone())
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| 94 | return;
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| 95 | }
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| 96 |
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| 97 |
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| 98 | // IHostAudioDevice properties
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| 99 | ////////////////////////////////////////////////////////////////////////////////
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