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李通洲
25 lines
1.0 KiB
Objective-C
25 lines
1.0 KiB
Objective-C
#include "camera.h"
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#import <AVFoundation/AVCaptureDevice.h>
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const char* ffDetectCamera(FFlist* result)
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{
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AVCaptureDeviceDiscoverySession* session = [AVCaptureDeviceDiscoverySession discoverySessionWithDeviceTypes:@[AVCaptureDeviceTypeBuiltInWideAngleCamera] mediaType:AVMediaTypeVideo position:AVCaptureDevicePositionUnspecified];
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if (!session)
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return "Failed to create AVCaptureDeviceDiscoverySession";
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for (AVCaptureDevice* device in session.devices)
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{
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FFCameraResult* camera = (FFCameraResult*) ffListAdd(result);
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ffStrbufInitS(&camera->name, device.localizedName.UTF8String);
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ffStrbufInitS(&camera->vendor, device.manufacturer.UTF8String);
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ffStrbufInitS(&camera->id, device.uniqueID.UTF8String);
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CMVideoDimensions size = CMVideoFormatDescriptionGetDimensions(device.activeFormat.formatDescription);
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camera->width = size.width < 0 ? 0 : (uint32_t) size.width;
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camera->height = size.height < 0 ? 0 : (uint32_t) size.height;
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}
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return NULL;
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}
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