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