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Side by Side Diff: media/video/capture/mac/video_capture_device_factory_mac.mm

Issue 276993002: Revert 269271 "Mac Video Capture Device: split VCD into VCD and ..." (Closed) Base URL: svn://svn.chromium.org/chrome/branches/1984/src/
Patch Set: Created 6 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "media/video/capture/mac/video_capture_device_factory_mac.h"
6
7 #import "media/video/capture/mac/avfoundation_glue.h"
8 #include "media/video/capture/mac/video_capture_device_mac.h"
9 #import "media/video/capture/mac/video_capture_device_avfoundation_mac.h"
10 #import "media/video/capture/mac/video_capture_device_qtkit_mac.h"
11
12 namespace media {
13
14 // Some devices are not correctly supported in AVFoundation, f.i. Blackmagic,
15 // see http://crbug.com/347371. The devices are identified by USB Vendor ID and
16 // by a characteristic substring of the name, usually the vendor's name.
17 const struct NameAndVid {
18 const char* vid;
19 const char* name;
20 } kBlacklistedCameras[] = { { "a82c", "Blackmagic" } };
21
22 // In device identifiers, the USB VID and PID are stored in 4 bytes each.
23 const size_t kVidPidSize = 4;
24
25 VideoCaptureDeviceFactoryMac::VideoCaptureDeviceFactoryMac() {
26 thread_checker_.DetachFromThread();
27 }
28
29 scoped_ptr<VideoCaptureDevice> VideoCaptureDeviceFactoryMac::Create(
30 const VideoCaptureDevice::Name& device_name) {
31 DCHECK(thread_checker_.CalledOnValidThread());
32 DCHECK_NE(device_name.capture_api_type(),
33 VideoCaptureDevice::Name::API_TYPE_UNKNOWN);
34
35 VideoCaptureDevice::Names device_names;
36 GetDeviceNames(&device_names);
37 VideoCaptureDevice::Names::iterator it = device_names.begin();
38 for (; it != device_names.end(); ++it) {
39 if (it->id() == device_name.id())
40 break;
41 }
42 if (it == device_names.end())
43 return scoped_ptr<VideoCaptureDevice>();
44
45 scoped_ptr<VideoCaptureDeviceMac> capture_device(
46 new VideoCaptureDeviceMac(device_name));
47 if (!capture_device->Init(device_name.capture_api_type())) {
48 LOG(ERROR) << "Could not initialize VideoCaptureDevice.";
49 capture_device.reset();
50 }
51 return scoped_ptr<VideoCaptureDevice>(capture_device.Pass());
52 }
53
54 void VideoCaptureDeviceFactoryMac::GetDeviceNames(
55 VideoCaptureDevice::Names* const device_names) {
56 DCHECK(thread_checker_.CalledOnValidThread());
57 // Loop through all available devices and add to |device_names|.
58 NSDictionary* capture_devices;
59 if (AVFoundationGlue::IsAVFoundationSupported()) {
60 bool is_any_device_blacklisted = false;
61 DVLOG(1) << "Enumerating video capture devices using AVFoundation";
62 capture_devices = [VideoCaptureDeviceAVFoundation deviceNames];
63 std::string device_vid;
64 // Enumerate all devices found by AVFoundation, translate the info for each
65 // to class Name and add it to |device_names|.
66 for (NSString* key in capture_devices) {
67 VideoCaptureDevice::Name name(
68 [[capture_devices valueForKey:key] UTF8String],
69 [key UTF8String], VideoCaptureDevice::Name::AVFOUNDATION);
70 device_names->push_back(name);
71 // Extract the device's Vendor ID and compare to all blacklisted ones.
72 device_vid = name.GetModel().substr(0, kVidPidSize);
73 for (size_t i = 0; i < arraysize(kBlacklistedCameras); ++i) {
74 is_any_device_blacklisted |=
75 !strcasecmp(device_vid.c_str(), kBlacklistedCameras[i].vid);
76 if (is_any_device_blacklisted)
77 break;
78 }
79 }
80 // If there is any device blacklisted in the system, walk the QTKit device
81 // list and add those devices with a blacklisted name to the |device_names|.
82 // AVFoundation and QTKit device lists partially overlap, so add a "QTKit"
83 // prefix to the latter ones to distinguish them from the AVFoundation ones.
84 if (is_any_device_blacklisted) {
85 capture_devices = [VideoCaptureDeviceQTKit deviceNames];
86 for (NSString* key in capture_devices) {
87 NSString* device_name = [capture_devices valueForKey:key];
88 for (size_t i = 0; i < arraysize(kBlacklistedCameras); ++i) {
89 if ([device_name rangeOfString:@(kBlacklistedCameras[i].name)
90 options:NSCaseInsensitiveSearch].length != 0) {
91 DVLOG(1) << "Enumerated blacklisted " << [device_name UTF8String];
92 VideoCaptureDevice::Name name(
93 "QTKit " + std::string([device_name UTF8String]),
94 [key UTF8String], VideoCaptureDevice::Name::QTKIT);
95 device_names->push_back(name);
96 }
97 }
98 }
99 }
100 } else {
101 DVLOG(1) << "Enumerating video capture devices using QTKit";
102 capture_devices = [VideoCaptureDeviceQTKit deviceNames];
103 for (NSString* key in capture_devices) {
104 VideoCaptureDevice::Name name(
105 [[capture_devices valueForKey:key] UTF8String],
106 [key UTF8String], VideoCaptureDevice::Name::QTKIT);
107 device_names->push_back(name);
108 }
109 }
110 }
111
112 void VideoCaptureDeviceFactoryMac::GetDeviceSupportedFormats(
113 const VideoCaptureDevice::Name& device,
114 VideoCaptureFormats* supported_formats) {
115 DCHECK(thread_checker_.CalledOnValidThread());
116 if (device.capture_api_type() == VideoCaptureDevice::Name::AVFOUNDATION) {
117 DVLOG(1) << "Enumerating video capture capabilities, AVFoundation";
118 [VideoCaptureDeviceAVFoundation getDevice:device
119 supportedFormats:supported_formats];
120 } else {
121 NOTIMPLEMENTED();
122 }
123 }
124
125 } // namespace media
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