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1 /* | |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
12 #error "This file requires ARC support." | |
13 #endif | |
14 | |
15 #include "webrtc/base/refcount.h" | |
16 #include "webrtc/base/scoped_ref_ptr.h" | |
17 #include "webrtc/modules/video_capture/objc/device_info_objc.h" | |
18 #include "webrtc/modules/video_capture/objc/rtc_video_capture_objc.h" | |
19 #include "webrtc/system_wrappers/include/trace.h" | |
20 | |
21 using namespace webrtc; | |
22 using namespace videocapturemodule; | |
23 | |
24 rtc::scoped_refptr<VideoCaptureModule> VideoCaptureImpl::Create( | |
25 const int32_t capture_id, | |
26 const char* deviceUniqueIdUTF8) { | |
27 return VideoCaptureIos::Create(capture_id, deviceUniqueIdUTF8); | |
28 } | |
29 | |
30 VideoCaptureIos::VideoCaptureIos(const int32_t capture_id) | |
31 : VideoCaptureImpl(capture_id), is_capturing_(false), id_(capture_id) { | |
32 capability_.width = kDefaultWidth; | |
33 capability_.height = kDefaultHeight; | |
34 capability_.maxFPS = kDefaultFrameRate; | |
35 capture_device_ = nil; | |
36 } | |
37 | |
38 VideoCaptureIos::~VideoCaptureIos() { | |
39 if (is_capturing_) { | |
40 [capture_device_ stopCapture]; | |
41 capture_device_ = nil; | |
42 } | |
43 } | |
44 | |
45 rtc::scoped_refptr<VideoCaptureModule> VideoCaptureIos::Create( | |
46 const int32_t capture_id, | |
47 const char* deviceUniqueIdUTF8) { | |
48 if (!deviceUniqueIdUTF8[0]) { | |
49 return NULL; | |
50 } | |
51 | |
52 rtc::scoped_refptr<VideoCaptureIos> capture_module( | |
53 new rtc::RefCountedObject<VideoCaptureIos>(capture_id)); | |
54 | |
55 const int32_t name_length = strlen(deviceUniqueIdUTF8); | |
56 if (name_length > kVideoCaptureUniqueNameLength) | |
57 return nullptr; | |
58 | |
59 capture_module->_deviceUniqueId = new char[name_length + 1]; | |
60 strncpy(capture_module->_deviceUniqueId, deviceUniqueIdUTF8, name_length + 1); | |
61 capture_module->_deviceUniqueId[name_length] = '\0'; | |
62 | |
63 capture_module->capture_device_ = | |
64 [[RTCVideoCaptureIosObjC alloc] initWithOwner:capture_module | |
65 captureId:capture_module->id_]; | |
66 if (!capture_module->capture_device_) { | |
67 return nullptr; | |
68 } | |
69 | |
70 if (![capture_module->capture_device_ | |
71 setCaptureDeviceByUniqueId: | |
72 [[NSString alloc] initWithCString:deviceUniqueIdUTF8 | |
73 encoding:NSUTF8StringEncoding]]) { | |
74 return nullptr; | |
75 } | |
76 return capture_module; | |
77 } | |
78 | |
79 int32_t VideoCaptureIos::StartCapture( | |
80 const VideoCaptureCapability& capability) { | |
81 capability_ = capability; | |
82 | |
83 if (![capture_device_ startCaptureWithCapability:capability]) { | |
84 return -1; | |
85 } | |
86 | |
87 is_capturing_ = true; | |
88 | |
89 return 0; | |
90 } | |
91 | |
92 int32_t VideoCaptureIos::StopCapture() { | |
93 if (![capture_device_ stopCapture]) { | |
94 return -1; | |
95 } | |
96 | |
97 is_capturing_ = false; | |
98 return 0; | |
99 } | |
100 | |
101 bool VideoCaptureIos::CaptureStarted() { | |
102 return is_capturing_; | |
103 } | |
104 | |
105 int32_t VideoCaptureIos::CaptureSettings(VideoCaptureCapability& settings) { | |
106 settings = capability_; | |
107 settings.rawType = kVideoNV12; | |
108 return 0; | |
109 } | |
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