railbird/react-native-vision-camera
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feat: Add zero-copy SharedArray type to Frame Processor Plugins (#2383)

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* feat: Create `TypedArray` class for Frame Processor Plugins

* Type

* feat: Pass `VisionCameraProxy` along (BREAKING)

* feat: Finish implementation

* Log a bit

* feat: Successfully convert JSI <> JNI buffers

* Wrap buffer

* fix: Fix using wrong Runtime

* feat: Add docs

* add zero copy example

* Format C++

* Create iOS base

* feat: Finish iOS implementation

* chore: Format

* fix: Use `NSData` instead of `NSMutableData`

* Format

* fix: Fix build when Frame Processors are disabled

* chore: Rename `TypedArray` to `SharedArray`

* fix: Fix Swift typings for Array

* Remove a few default inits

* fix: Fix Android build

* fix: Use `NSInteger`

* Update SharedArray.mm

* fix: Expose bytes directly on iOS (NSData was immutable)
This commit is contained in:
Marc Rousavy
2024-01-12 16:00:36 +01:00
committed by GitHub
parent 56cecaa814
commit 29fe98cc44
35 changed files with 491 additions and 65 deletions
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21
package/ios/Frame Processor/FrameProcessorPlugin.h
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@@ -9,6 +9,7 @@
#pragma once
#import "Frame.h"
#import "VisionCameraProxy.h"
#import <Foundation/Foundation.h>
/**
@@ -28,9 +29,13 @@
* This is called everytime this Frame Processor Plugin is loaded from the JS side (`initFrameProcessorPlugin(..)`).
* Optionally override this method to implement custom initialization logic.
* - Parameters:
* - proxy: The VisionCameraProxy instance for using the Frame Processor Context, e.g. to initialize SharedArrays.
* - options: An options dictionary passed from the JS side, or `nil` if none.
*/
- (instancetype _Nonnull)initWithOptions:(NSDictionary* _Nullable)options;
- (instancetype _Nonnull)initWithProxy:(VisionCameraProxyHolder* _Nonnull)proxy
withOptions:(NSDictionary* _Nullable)options NS_SWIFT_NAME(init(proxy:options:));
- (instancetype)init NS_UNAVAILABLE;
/**
* The actual Frame Processor Plugin's implementation that runs when `plugin.call(..)` is called in the JS Frame Processor.
@@ -52,10 +57,11 @@
#define VISION_EXPORT_FRAME_PROCESSOR(frame_processor_class, frame_processor_plugin_name) \
+(void)load { \
[FrameProcessorPluginRegistry addFrameProcessorPlugin:@ #frame_processor_plugin_name \
withInitializer:^FrameProcessorPlugin*(NSDictionary* _Nullable options) { \
return [[frame_processor_class alloc] initWithOptions:options]; \
}]; \
[FrameProcessorPluginRegistry \
addFrameProcessorPlugin:@ #frame_processor_plugin_name \
withInitializer:^FrameProcessorPlugin*(VisionCameraProxyHolder* _Nonnull proxy, NSDictionary* _Nullable options) { \
return [[frame_processor_class alloc] initWithProxy:proxy withOptions:options]; \
}]; \
}
#define VISION_EXPORT_SWIFT_FRAME_PROCESSOR(frame_processor_class, frame_processor_plugin_name) \
@@ -67,8 +73,9 @@
\
__attribute__((constructor)) static void VISION_CONCAT(initialize_, frame_processor_plugin_name)(void) { \
[FrameProcessorPluginRegistry addFrameProcessorPlugin:@ #frame_processor_plugin_name \
withInitializer:^FrameProcessorPlugin* _Nonnull(NSDictionary* _Nullable options) { \
return [[frame_processor_class alloc] initWithOptions:options]; \
withInitializer:^FrameProcessorPlugin* _Nonnull(VisionCameraProxyHolder* _Nonnull proxy, \
NSDictionary* _Nullable options) { \
return [[frame_processor_class alloc] initWithProxy:proxy withOptions:options]; \
}]; \
} \
\