WingRtcService/VRTC/RtcUtil.x64/MediaDevices.cpp

#include "pch.h"
#include "MediaDevices.h"
#include "webrtc/modules/video_capture/video_capture_factory.h"


int __stdcall CreateVideoDeviceInfo(void** hDeviceInfo)
{
	try
	{
		webrtc::VideoCaptureModule::DeviceInfo* deviceInfo = webrtc::VideoCaptureFactory::CreateDeviceInfo();		
		*hDeviceInfo = deviceInfo;

		int num = deviceInfo->NumberOfDevices();
		return num;
	}
	catch (int e)
	{
		*hDeviceInfo = nullptr;
		return 0;
	}	
}

int __stdcall GetVidoeDeviceInfo(void* hDeviceInfo, uint32_t deviceNumber, void** mediaDeviceInfo)
{
	try
	{		
		webrtc::VideoCaptureModule::DeviceInfo* deviceInfo = static_cast<webrtc::VideoCaptureModule::DeviceInfo*>(hDeviceInfo);
		std::unique_ptr<webrtc::VideoCaptureModule::DeviceInfo> info(deviceInfo);
		const uint32_t kSize = 256;
		char deviceNameUTF8[kSize] = {0};		
		char deviceUniqueIdUTF8[kSize] = { 0 };		
		char productUniqueIdUTF8[kSize] = { 0 };
		
		VideoDeviceInfo* df = (VideoDeviceInfo*)malloc(sizeof(struct VideoDeviceInfo)); //TODO who will free it ?
		int32_t iRet = info->GetDeviceName(deviceNumber, deviceNameUTF8, kSize, deviceUniqueIdUTF8, kSize, productUniqueIdUTF8, kSize);

		/*MyDeviceInfo df;*/
		df->deviceNumber = deviceNumber;
		strcpy(df->deviceNameUTF8, deviceNameUTF8);
		strcpy(df->deviceUniqueIdUTF8, deviceUniqueIdUTF8);
		strcpy(df->productUniqueIdUTF8, productUniqueIdUTF8);
				
		void* result = static_cast<void*>(df);
		*mediaDeviceInfo = result;
		
		return (int)iRet;
		//return 0;
	}
	catch (int e)
	{		
		return -1;
	}
}