extern/whisper.cpp
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coreml : backport CoreML features to macos < 14 (#3255)

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glaszig 2025-06-24 04:24:27 -03:00 committed by GitHub
parent 9c47902308
commit 0083335ba0
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5 changed files with 49 additions and 0 deletions
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2
src/CMakeLists.txt
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@ -58,6 +58,7 @@ if (WHISPER_COREML)
set(TARGET whisper.coreml)
add_library(${TARGET}
coreml/whisper-compat.m
coreml/whisper-encoder.h
coreml/whisper-encoder.mm
coreml/whisper-encoder-impl.h
@ -76,6 +77,7 @@ if (WHISPER_COREML)
COMPILE_FLAGS "-fobjc-arc"
XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC YES
)
set_target_properties(${TARGET} PROPERTIES FOLDER "libs")
endif()

10
src/coreml/whisper-compat.h Normal file
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@ -0,0 +1,10 @@
#import <CoreML/CoreML.h>
@interface MLModel (Compat)
- (void) predictionFromFeatures:(id<MLFeatureProvider>) input
completionHandler:(void (^)(id<MLFeatureProvider> output, NSError * error)) completionHandler;
- (void) predictionFromFeatures:(id<MLFeatureProvider>) input
options:(MLPredictionOptions *) options
completionHandler:(void (^)(id<MLFeatureProvider> output, NSError * error)) completionHandler;
@end

35
src/coreml/whisper-compat.m Normal file
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@ -0,0 +1,35 @@
#import "whisper-compat.h"
#import <Foundation/Foundation.h>
@implementation MLModel (Compat)
#if !defined(MAC_OS_X_VERSION_14_00) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_14_00
- (void) predictionFromFeatures:(id<MLFeatureProvider>) input
completionHandler:(void (^)(id<MLFeatureProvider> output, NSError * error)) completionHandler {
[NSOperationQueue.new addOperationWithBlock:^{
NSError *error = nil;
id<MLFeatureProvider> prediction = [self predictionFromFeatures:input error:&error];
[NSOperationQueue.mainQueue addOperationWithBlock:^{
completionHandler(prediction, error);
}];
}];
}
- (void) predictionFromFeatures:(id<MLFeatureProvider>) input
options:(MLPredictionOptions *) options
completionHandler:(void (^)(id<MLFeatureProvider> output, NSError * error)) completionHandler {
[NSOperationQueue.new addOperationWithBlock:^{
NSError *error = nil;
id<MLFeatureProvider> prediction = [self predictionFromFeatures:input options:options error:&error];
[NSOperationQueue.mainQueue addOperationWithBlock:^{
completionHandler(prediction, error);
}];
}];
}
#endif
@end

1
src/coreml/whisper-decoder-impl.m
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@ -8,6 +8,7 @@
#error This file must be compiled with automatic reference counting enabled (-fobjc-arc)
#endif
#import "whisper-compat.h"
#import "whisper-decoder-impl.h"
@implementation whisper_decoder_implInput

1
src/coreml/whisper-encoder-impl.m
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@ -8,6 +8,7 @@
#error This file must be compiled with automatic reference counting enabled (-fobjc-arc)
#endif
#import "whisper-compat.h"
#import "whisper-encoder-impl.h"
@implementation whisper_encoder_implInput