//
// FrameProcessorUtils.m
// VisionCamera
// Created by Marc Rousavy on 15.03.21.
// Copyright © 2021 mrousavy. All rights reserved.
#import "FrameProcessorUtils.h"
#import <chrono>
#import <memory>
#import "FrameHostObject.h"
#import "Frame.h"
FrameProcessorCallback convertJSIFunctionToFrameProcessorCallback(jsi::Runtime &runtime, const jsi::Function &value) {
__block auto cb = value.getFunction(runtime);
return ^(Frame* frame) {
auto frameHostObject = std::make_shared<FrameHostObject>(frame);
try {
cb.call(runtime, jsi::Object::createFromHostObject(runtime, frameHostObject));
} catch (jsi::JSError& jsError) {
NSLog(@"Frame Processor threw an error: %s", jsError.getMessage().c_str());
}
// Manually free the buffer because:
// 1. we are sure we don't need it anymore, the frame processor worklet has finished executing.
// 2. we don't know when the JS runtime garbage collects this object, it might be holding it for a few more frames
// which then blocks the camera queue from pushing new frames (memory limit)
frameHostObject->destroyBuffer();
};