VirtualBox

source: vbox/trunk/src/VBox/Devices/Audio/DrvHostAudioCoreAudioAuth.mm@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 5.3 KB
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1/* $Id: DrvHostAudioCoreAudioAuth.mm 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * Host audio driver - Mac OS X CoreAudio, authorization helpers for Mojave+.
4 */
5
6/*
7 * Copyright (C) 2020-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#define LOG_GROUP LOG_GROUP_DRV_HOST_AUDIO
33#include <VBox/log.h>
34
35#include <iprt/errcore.h>
36#include <iprt/semaphore.h>
37
38#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
39# import <AVFoundation/AVFoundation.h>
40# import <AVFoundation/AVMediaFormat.h>
41#endif
42#import <Foundation/NSException.h>
43
44
45#if MAC_OS_X_VERSION_MIN_REQUIRED < 101400
46
47/* HACK ALERT! It's there in the 10.13 SDK, but only for iOS 7.0+. Deploying CPP trickery to shut up warnings/errors. */
48# if MAC_OS_X_VERSION_MIN_REQUIRED >= 101300
49# define AVAuthorizationStatus OurAVAuthorizationStatus
50# define AVAuthorizationStatusNotDetermined OurAVAuthorizationStatusNotDetermined
51# define AVAuthorizationStatusRestricted OurAVAuthorizationStatusRestricted
52# define AVAuthorizationStatusDenied OurAVAuthorizationStatusDenied
53# define AVAuthorizationStatusAuthorized OurAVAuthorizationStatusAuthorized
54# endif
55
56/**
57 * The authorization status enum.
58 *
59 * Starting macOS 10.14 we need to request permissions in order to use any audio input device
60 * but as we build against an older SDK where this is not available we have to duplicate
61 * AVAuthorizationStatus and do everything dynmically during runtime, sigh...
62 */
63typedef enum AVAuthorizationStatus
64# if RT_CPLUSPLUS_PREREQ(201100)
65 : NSInteger
66# endif
67{
68 AVAuthorizationStatusNotDetermined = 0,
69 AVAuthorizationStatusRestricted = 1,
70 AVAuthorizationStatusDenied = 2,
71 AVAuthorizationStatusAuthorized = 3
72} AVAuthorizationStatus;
73
74#endif
75
76
77#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070 /** @todo need some better fix/whatever for AudioTest */
78
79/**
80 * Requests camera permissions for Mojave and onwards.
81 *
82 * @returns VBox status code.
83 */
84static int coreAudioInputPermissionRequest(void)
85{
86 __block RTSEMEVENT hEvt = NIL_RTSEMEVENT;
87 __block int rc = RTSemEventCreate(&hEvt);
88 if (RT_SUCCESS(rc))
89 {
90 /* Perform auth request. */
91 [AVCaptureDevice performSelector: @selector(requestAccessForMediaType: completionHandler:)
92 withObject: (id)AVMediaTypeAudio
93 withObject: (id)^(BOOL granted)
94 {
95 if (!granted)
96 {
97 LogRel(("CoreAudio: Access denied!\n"));
98 rc = VERR_ACCESS_DENIED;
99 }
100 RTSemEventSignal(hEvt);
101 }];
102
103 rc = RTSemEventWait(hEvt, RT_MS_10SEC);
104 RTSemEventDestroy(hEvt);
105 }
106
107 return rc;
108}
109
110#endif
111
112/**
113 * Checks permission for capturing devices on Mojave and onwards.
114 *
115 * @returns VBox status code.
116 */
117DECLHIDDEN(int) coreAudioInputPermissionCheck(void)
118{
119 int rc = VINF_SUCCESS;
120
121 if (NSFoundationVersionNumber >= 10.14)
122 {
123 /*
124 * Because we build with an older SDK where the authorization APIs are not available
125 * (introduced with Mojave 10.14) we have to resort to resolving the APIs dynamically.
126 */
127#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070 /** @todo need some better fix/whatever for AudioTest */
128 LogRel(("CoreAudio: macOS 10.14+ detected, checking audio input permissions\n"));
129
130 if ([AVCaptureDevice respondsToSelector:@selector(authorizationStatusForMediaType:)])
131 {
132 AVAuthorizationStatus enmAuthSts
133 = (AVAuthorizationStatus)(NSInteger)[AVCaptureDevice performSelector: @selector(authorizationStatusForMediaType:)
134 withObject: (id)AVMediaTypeAudio];
135 if (enmAuthSts == AVAuthorizationStatusNotDetermined)
136 rc = coreAudioInputPermissionRequest();
137 else if ( enmAuthSts == AVAuthorizationStatusRestricted
138 || enmAuthSts == AVAuthorizationStatusDenied)
139 {
140 LogRel(("CoreAudio: Access denied!\n"));
141 rc = VERR_ACCESS_DENIED;
142 }
143 }
144#else
145 LogRel(("CoreAudio: WARNING! macOS 10.14+ detected. Audio input probably wont work as this app was compiled using a too old SDK.\n"));
146#endif
147 }
148
149 return rc;
150}
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