react-native-vision-camera/ios/Frame Processor/FrameProcessorUtils.mm
Marc Rousavy 0904767cf2
fix: Log Stacktrace on Frame Processor Error (#731)
* fix: Log JS Stack on Error

* Android

* Format Stacktrace better

* Update FrameProcessorUtils.mm

* Allow unapproved C++11 headers

* Use `.c_str()`
2022-01-10 16:37:47 +01:00

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//
// 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 <regex>
#import "FrameHostObject.h"
#import "Frame.h"
#import <React/RCTBridge.h>
#import <React/RCTBridge+Private.h>
#import "JSConsoleHelper.h"
#import <ReactCommon/RCTTurboModule.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.callWithThis(runtime, cb, jsi::Object::createFromHostObject(runtime, frameHostObject));
} catch (jsi::JSError& jsError) {
auto stack = std::regex_replace(jsError.getStack(), std::regex("\n"), "\n ");
auto message = [NSString stringWithFormat:@"Frame Processor threw an error: %s\nIn: %s", jsError.getMessage().c_str(), stack.c_str()];
RCTBridge* bridge = [RCTBridge currentBridge];
if (bridge != nil) {
bridge.jsCallInvoker->invokeAsync([bridge, message]() {
auto logFn = [JSConsoleHelper getLogFunctionForBridge:bridge];
logFn(RCTLogLevelError, message);
});
} else {
NSLog(@"%@", message);
}
}
// 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->close();
};
}