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1 /* | |
2 * libjingle | |
3 * Copyright 2010 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright notice, | |
9 * this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | |
27 | |
28 // support GCC compiler | |
29 #ifndef __has_feature | |
30 #define __has_feature(x) 0 | |
31 #endif | |
32 | |
33 #include "talk/media/devices/devicemanager.h" | |
34 | |
35 #import <assert.h> | |
36 #ifdef __MAC_OS_X_VERSION_MAX_ALLOWED | |
37 #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 | |
38 #import <AVFoundation/AVFoundation.h> | |
39 #endif | |
40 #endif | |
41 #import <QTKit/QTKit.h> | |
42 | |
43 #include "webrtc/base/logging.h" | |
44 | |
45 @interface DeviceWatcherImpl : NSObject { | |
46 @private | |
47 cricket::DeviceManagerInterface* manager_; | |
48 } | |
49 - (id)init:(cricket::DeviceManagerInterface*)manager; | |
50 - (void)onDevicesChanged:(NSNotification*)notification; | |
51 @end | |
52 | |
53 @implementation DeviceWatcherImpl | |
54 - (id)init:(cricket::DeviceManagerInterface*)manager { | |
55 if ((self = [super init])) { | |
56 assert(manager != NULL); | |
57 manager_ = manager; | |
58 [[NSNotificationCenter defaultCenter] | |
59 addObserver:self | |
60 selector:@selector(onDevicesChanged:) | |
61 name:QTCaptureDeviceWasConnectedNotification | |
62 object:nil]; | |
63 [[NSNotificationCenter defaultCenter] | |
64 addObserver:self | |
65 selector:@selector(onDevicesChanged:) | |
66 name:QTCaptureDeviceWasDisconnectedNotification | |
67 object:nil]; | |
68 } | |
69 return self; | |
70 } | |
71 | |
72 - (void)dealloc { | |
73 [[NSNotificationCenter defaultCenter] removeObserver:self]; | |
74 #if !__has_feature(objc_arc) | |
75 [super dealloc]; | |
76 #endif | |
77 } | |
78 - (void)onDevicesChanged:(NSNotification*)notification { | |
79 manager_->SignalDevicesChange(); | |
80 } | |
81 @end | |
82 | |
83 namespace cricket { | |
84 | |
85 DeviceWatcherImpl* CreateDeviceWatcherCallback( | |
86 DeviceManagerInterface* manager) { | |
87 DeviceWatcherImpl* impl; | |
88 #if !__has_feature(objc_arc) | |
89 NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; | |
90 #else | |
91 @autoreleasepool | |
92 #endif | |
93 { impl = [[DeviceWatcherImpl alloc] init:manager]; } | |
94 #if !__has_feature(objc_arc) | |
95 [pool drain]; | |
96 #endif | |
97 return impl; | |
98 } | |
99 | |
100 void ReleaseDeviceWatcherCallback(DeviceWatcherImpl* watcher) { | |
101 #if !__has_feature(objc_arc) | |
102 NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; | |
103 [watcher release]; | |
104 [pool drain]; | |
105 #endif | |
106 } | |
107 | |
108 bool GetQTKitVideoDevices(std::vector<Device>* devices) { | |
109 #if !__has_feature(objc_arc) | |
110 NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; | |
111 #else | |
112 @autoreleasepool | |
113 #endif | |
114 { | |
115 NSArray* qt_capture_devices = | |
116 [QTCaptureDevice inputDevicesWithMediaType:QTMediaTypeVideo]; | |
117 NSUInteger count = [qt_capture_devices count]; | |
118 LOG(LS_INFO) << count << " capture device(s) found:"; | |
119 for (QTCaptureDevice* qt_capture_device in qt_capture_devices) { | |
120 static NSString* const kFormat = @"localizedDisplayName: \"%@\", " | |
121 @"modelUniqueID: \"%@\", uniqueID \"%@\", isConnected: %d, " | |
122 @"isOpen: %d, isInUseByAnotherApplication: %d"; | |
123 NSString* info = [NSString | |
124 stringWithFormat:kFormat, | |
125 [qt_capture_device localizedDisplayName], | |
126 [qt_capture_device modelUniqueID], | |
127 [qt_capture_device uniqueID], | |
128 [qt_capture_device isConnected], | |
129 [qt_capture_device isOpen], | |
130 [qt_capture_device isInUseByAnotherApplication]]; | |
131 LOG(LS_INFO) << [info UTF8String]; | |
132 | |
133 std::string name([[qt_capture_device localizedDisplayName] UTF8String]); | |
134 devices->push_back( | |
135 Device(name, [[qt_capture_device uniqueID] UTF8String])); | |
136 } | |
137 } | |
138 #if !__has_feature(objc_arc) | |
139 [pool drain]; | |
140 #endif | |
141 return true; | |
142 } | |
143 | |
144 bool GetAVFoundationVideoDevices(std::vector<Device>* devices) { | |
145 #ifdef __MAC_OS_X_VERSION_MAX_ALLOWED | |
146 #if __MAC_OS_X_VERSION_MAX_ALLOWED >=1070 | |
147 if (![AVCaptureDevice class]) { | |
148 // Fallback to using QTKit if AVFoundation is not available | |
149 return GetQTKitVideoDevices(devices); | |
150 } | |
151 #if !__has_feature(objc_arc) | |
152 NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; | |
153 #else | |
154 @autoreleasepool | |
155 #endif | |
156 { | |
157 NSArray* capture_devices = [AVCaptureDevice devices]; | |
158 LOG(LS_INFO) << [capture_devices count] << " capture device(s) found:"; | |
159 for (AVCaptureDevice* capture_device in capture_devices) { | |
160 if ([capture_device hasMediaType:AVMediaTypeVideo] || | |
161 [capture_device hasMediaType:AVMediaTypeMuxed]) { | |
162 static NSString* const kFormat = @"localizedName: \"%@\", " | |
163 @"modelID: \"%@\", uniqueID \"%@\", isConnected: %d, " | |
164 @"isInUseByAnotherApplication: %d"; | |
165 NSString* info = [NSString | |
166 stringWithFormat:kFormat, | |
167 [capture_device localizedName], | |
168 [capture_device modelID], | |
169 [capture_device uniqueID], | |
170 [capture_device isConnected], | |
171 [capture_device isInUseByAnotherApplication]]; | |
172 LOG(LS_INFO) << [info UTF8String]; | |
173 | |
174 std::string name([[capture_device localizedName] UTF8String]); | |
175 devices->push_back( | |
176 Device(name, [[capture_device uniqueID] UTF8String])); | |
177 } | |
178 } | |
179 } | |
180 #if !__has_feature(objc_arc) | |
181 [pool drain]; | |
182 #endif | |
183 return true; | |
184 #else // __MAC_OS_X_VERSION_MAX_ALLOWED >=1070 | |
185 return GetQTKitVideoDevices(devices); | |
186 #endif // __MAC_OS_X_VERSION_MAX_ALLOWED >=1070 | |
187 #else // __MAC_OS_X_VERSION_MAX_ALLOWED | |
188 return GetQTKitVideoDevices(devices); | |
189 #endif // __MAC_OS_X_VERSION_MAX_ALLOWED | |
190 } | |
191 | |
192 } // namespace cricket | |
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