react-native-vision-camera/example/ios/Frame Processor Plugins/Example Plugin/ExampleFrameProcessorPlugin.m
Marc Rousavy 44ed42d5d6
feat: Expose unified VisionCameraProxy object, make FrameProcessorPlugins object-oriented (#1660)
* feat: Replace `FrameProcessorRuntimeManager` with `VisionCameraProxy` (iOS)

* Make `FrameProcessorPlugin` a constructable HostObject

* fix: Fix `name` override

* Simplify `useFrameProcessor

* fix: Fix lint errors

* Remove FrameProcessorPlugin::name

* JSIUtils -> JSINSObjectConversion
2023-07-21 17:52:30 +02:00

50 lines
1.4 KiB
Objective-C

//
// ExampleFrameProcessorPlugin.m
// VisionCameraExample
//
// Created by Marc Rousavy on 01.05.21.
//
#if __has_include(<VisionCamera/FrameProcessorPlugin.h>)
#import <Foundation/Foundation.h>
#import <VisionCamera/FrameProcessorPlugin.h>
#import <VisionCamera/FrameProcessorPluginRegistry.h>
#import <VisionCamera/Frame.h>
// Example for an Objective-C Frame Processor plugin
@interface ExampleFrameProcessorPlugin : FrameProcessorPlugin
@end
@implementation ExampleFrameProcessorPlugin
- (id)callback:(Frame *)frame withArguments:(NSArray<id> *)arguments {
CVPixelBufferRef imageBuffer = CMSampleBufferGetImageBuffer(frame.buffer);
NSLog(@"ExamplePlugin: %zu x %zu Image. Logging %lu parameters:", CVPixelBufferGetWidth(imageBuffer), CVPixelBufferGetHeight(imageBuffer), (unsigned long)arguments.count);
for (id param in arguments) {
NSLog(@"ExamplePlugin: -> %@ (%@)", param == nil ? @"(nil)" : [param description], NSStringFromClass([param classForCoder]));
}
return @{
@"example_str": @"Test",
@"example_bool": @true,
@"example_double": @5.3,
@"example_array": @[
@"Hello",
@true,
@17.38
]
};
}
+ (void) load {
[FrameProcessorPluginRegistry addFrameProcessorPlugin:@"example_plugin"
withInitializer:^FrameProcessorPlugin*(NSDictionary* options) {
return [[ExampleFrameProcessorPlugin alloc] initWithOptions:options];
}];
}
@end
#endif