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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 <AVFoundation/AVFoundation.h> | |
| 16 | |
| 17 #include <string> | |
| 18 | |
| 19 #include "webrtc/modules/video_capture/ios/device_info_ios.h" | |
| 20 #include "webrtc/modules/video_capture/ios/device_info_ios_objc.h" | |
| 21 #include "webrtc/modules/video_capture/video_capture_impl.h" | |
| 22 #include "webrtc/system_wrappers/include/trace.h" | |
| 23 | |
| 24 using namespace webrtc; | |
| 25 using namespace videocapturemodule; | |
| 26 | |
| 27 static NSArray *camera_presets = @[AVCaptureSessionPreset352x288, | |
| 28 AVCaptureSessionPreset640x480, | |
| 29 AVCaptureSessionPreset1280x720, | |
| 30 AVCaptureSessionPreset1920x1080]; | |
| 31 | |
| 32 | |
| 33 #define IOS_UNSUPPORTED() \ | |
| 34 WEBRTC_TRACE(kTraceError, \ | |
| 35 kTraceVideoCapture, \ | |
| 36 _id, \ | |
| 37 "%s is not supported on the iOS platform.", \ | |
| 38 __FUNCTION__); \ | |
| 39 return -1; | |
| 40 | |
| 41 VideoCaptureModule::DeviceInfo* VideoCaptureImpl::CreateDeviceInfo( | |
| 42 const int32_t device_id) { | |
| 43 return new DeviceInfoIos(device_id); | |
| 44 } | |
| 45 | |
| 46 DeviceInfoIos::DeviceInfoIos(const int32_t device_id) | |
| 47 : DeviceInfoImpl(device_id) { | |
| 48 this->Init(); | |
| 49 } | |
| 50 | |
| 51 DeviceInfoIos::~DeviceInfoIos() {} | |
| 52 | |
| 53 int32_t DeviceInfoIos::Init() { | |
| 54 // Fill in all device capabilities. | |
| 55 | |
| 56 int deviceCount = [DeviceInfoIosObjC captureDeviceCount]; | |
| 57 | |
| 58 for (int i = 0; i < deviceCount; i++) { | |
| 59 AVCaptureDevice *avDevice = [DeviceInfoIosObjC captureDeviceForIndex:i]; | |
| 60 VideoCaptureCapabilities capabilityVector; | |
| 61 | |
| 62 for (NSString *preset in camera_presets) { | |
| 63 BOOL support = [avDevice supportsAVCaptureSessionPreset:preset]; | |
| 64 if (support) { | |
| 65 VideoCaptureCapability capability = | |
| 66 [DeviceInfoIosObjC capabilityForPreset:preset]; | |
| 67 capabilityVector.push_back(capability); | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 char deviceNameUTF8[256]; | |
| 72 char deviceId[256]; | |
| 73 this->GetDeviceName(i, deviceNameUTF8, 256, deviceId, 256); | |
| 74 std::string deviceIdCopy(deviceId); | |
| 75 std::pair<std::string, VideoCaptureCapabilities> mapPair = | |
| 76 std::pair<std::string, VideoCaptureCapabilities> | |
| 77 (deviceIdCopy, capabilityVector); | |
| 78 _capabilitiesMap.insert(mapPair); | |
| 79 } | |
| 80 | |
| 81 return 0; | |
| 82 } | |
| 83 | |
| 84 uint32_t DeviceInfoIos::NumberOfDevices() { | |
| 85 return [DeviceInfoIosObjC captureDeviceCount]; | |
| 86 } | |
| 87 | |
| 88 int32_t DeviceInfoIos::GetDeviceName(uint32_t deviceNumber, | |
| 89 char* deviceNameUTF8, | |
| 90 uint32_t deviceNameUTF8Length, | |
| 91 char* deviceUniqueIdUTF8, | |
| 92 uint32_t deviceUniqueIdUTF8Length, | |
| 93 char* productUniqueIdUTF8, | |
| 94 uint32_t productUniqueIdUTF8Length) { | |
| 95 NSString* deviceName = [DeviceInfoIosObjC deviceNameForIndex:deviceNumber]; | |
| 96 | |
| 97 NSString* deviceUniqueId = | |
| 98 [DeviceInfoIosObjC deviceUniqueIdForIndex:deviceNumber]; | |
| 99 | |
| 100 strncpy(deviceNameUTF8, [deviceName UTF8String], deviceNameUTF8Length); | |
| 101 deviceNameUTF8[deviceNameUTF8Length - 1] = '\0'; | |
| 102 | |
| 103 strncpy(deviceUniqueIdUTF8, | |
| 104 [deviceUniqueId UTF8String], | |
| 105 deviceUniqueIdUTF8Length); | |
| 106 deviceUniqueIdUTF8[deviceUniqueIdUTF8Length - 1] = '\0'; | |
| 107 | |
| 108 if (productUniqueIdUTF8) { | |
| 109 productUniqueIdUTF8[0] = '\0'; | |
| 110 } | |
| 111 | |
| 112 return 0; | |
| 113 } | |
| 114 | |
| 115 int32_t DeviceInfoIos::NumberOfCapabilities(const char* deviceUniqueIdUTF8) { | |
| 116 int32_t numberOfCapabilities = 0; | |
| 117 std::string deviceUniqueId(deviceUniqueIdUTF8); | |
| 118 std::map<std::string, VideoCaptureCapabilities>::iterator it = | |
| 119 _capabilitiesMap.find(deviceUniqueId); | |
| 120 | |
| 121 if (it != _capabilitiesMap.end()) { | |
| 122 numberOfCapabilities = it->second.size(); | |
| 123 } | |
| 124 return numberOfCapabilities; | |
| 125 } | |
| 126 | |
| 127 int32_t DeviceInfoIos::GetCapability(const char* deviceUniqueIdUTF8, | |
| 128 const uint32_t deviceCapabilityNumber, | |
| 129 VideoCaptureCapability& capability) { | |
| 130 std::string deviceUniqueId(deviceUniqueIdUTF8); | |
| 131 std::map<std::string, VideoCaptureCapabilities>::iterator it = | |
| 132 _capabilitiesMap.find(deviceUniqueId); | |
| 133 | |
| 134 if (it != _capabilitiesMap.end()) { | |
| 135 VideoCaptureCapabilities deviceCapabilities = it->second; | |
| 136 | |
| 137 if (deviceCapabilityNumber < deviceCapabilities.size()) { | |
| 138 VideoCaptureCapability cap; | |
| 139 cap = deviceCapabilities[deviceCapabilityNumber]; | |
| 140 capability = cap; | |
| 141 return 0; | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 return -1; | |
| 146 } | |
| 147 | |
| 148 int32_t DeviceInfoIos::DisplayCaptureSettingsDialogBox( | |
| 149 const char* deviceUniqueIdUTF8, | |
| 150 const char* dialogTitleUTF8, | |
| 151 void* parentWindow, | |
| 152 uint32_t positionX, | |
| 153 uint32_t positionY) { | |
| 154 IOS_UNSUPPORTED(); | |
| 155 } | |
| 156 | |
| 157 int32_t DeviceInfoIos::GetOrientation(const char* deviceUniqueIdUTF8, | |
| 158 VideoRotation& orientation) { | |
| 159 if (strcmp(deviceUniqueIdUTF8, "Front Camera") == 0) { | |
| 160 orientation = kVideoRotation_0; | |
| 161 } else { | |
| 162 orientation = kVideoRotation_90; | |
| 163 } | |
| 164 return orientation; | |
| 165 } | |
| 166 | |
| 167 int32_t DeviceInfoIos::CreateCapabilityMap(const char* deviceUniqueIdUTF8) { | |
| 168 std::string deviceName(deviceUniqueIdUTF8); | |
| 169 std::map<std::string, std::vector<VideoCaptureCapability>>::iterator it = | |
| 170 _capabilitiesMap.find(deviceName); | |
| 171 VideoCaptureCapabilities deviceCapabilities; | |
| 172 if (it != _capabilitiesMap.end()) { | |
| 173 _captureCapabilities = it->second; | |
| 174 return 0; | |
| 175 } | |
| 176 | |
| 177 return -1; | |
| 178 } | |
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Chromium Code Reviews
Issue 2309253005:
Unify the macOS and iOS capturer implementations (Closed)
