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allwpilib/cscore/src/main/native/cpp/UsbCameraImplCommon.cpp

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/*----------------------------------------------------------------------------*/
/* Copyright (c) 2016-2018 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#include "cscore_c.h" // NOLINT(build/include_order)
#include "c_util.h"
#include "cscore_cpp.h"
using namespace cs;
extern "C" {
CS_Source CS_CreateUsbCameraDev(const char* name, int dev, CS_Status* status) {
return cs::CreateUsbCameraDev(name, dev, status);
}
CS_Source CS_CreateUsbCameraPath(const char* name, const char* path,
CS_Status* status) {
return cs::CreateUsbCameraPath(name, path, status);
}
char* CS_GetUsbCameraPath(CS_Source source, CS_Status* status) {
return ConvertToC(cs::GetUsbCameraPath(source, status));
}
CS_UsbCameraInfo* CS_EnumerateUsbCameras(int* count, CS_Status* status) {
auto cameras = cs::EnumerateUsbCameras(status);
CS_UsbCameraInfo* out = static_cast<CS_UsbCameraInfo*>(
wpi::CheckedMalloc(cameras.size() * sizeof(CS_UsbCameraInfo)));
*count = cameras.size();
for (size_t i = 0; i < cameras.size(); ++i) {
out[i].dev = cameras[i].dev;
out[i].path = ConvertToC(cameras[i].path);
out[i].name = ConvertToC(cameras[i].name);
}
return out;
}
void CS_FreeEnumeratedUsbCameras(CS_UsbCameraInfo* cameras, int count) {
if (!cameras) return;
for (int i = 0; i < count; ++i) {
std::free(cameras[i].path);
std::free(cameras[i].name);
}
std::free(cameras);
}
} // extern "C"