Georgi Gerganov
2 years ago
parent
5f7e9fa2dc
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bb1ee266d2
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"$(inherited)",
|
||||
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|
||||
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|
||||
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|
||||
PRODUCT_BUNDLE_IDENTIFIER = "com.ggerganov.whisper-objc";
|
||||
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|
||||
SWIFT_EMIT_LOC_STRINGS = YES;
|
||||
TARGETED_DEVICE_FAMILY = "1,2";
|
||||
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|
||||
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|
||||
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|
||||
/* End XCBuildConfiguration section */
|
||||
|
||||
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|
||||
18627C7129052BDF00BD2A04 /* Build configuration list for PBXProject "whisper.objc" */ = {
|
||||
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|
||||
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|
||||
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|
||||
18627C8E29052BE000BD2A04 /* Release */,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
18627C8F29052BE000BD2A04 /* Build configuration list for PBXNativeTarget "whisper.objc" */ = {
|
||||
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|
||||
buildConfigurations = (
|
||||
18627C9029052BE000BD2A04 /* Debug */,
|
||||
18627C9129052BE000BD2A04 /* Release */,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
rootObject = 18627C6E29052BDF00BD2A04 /* Project object */;
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
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|
||||
<dict>
|
||||
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|
||||
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|
||||
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|
||||
</plist>
|
||||
@ -0,0 +1,14 @@
|
||||
//
|
||||
// AppDelegate.h
|
||||
// whisper.objc
|
||||
//
|
||||
// Created by Georgi Gerganov on 23.10.22.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
@interface AppDelegate : UIResponder <UIApplicationDelegate>
|
||||
|
||||
|
||||
@end
|
||||
|
||||
@ -0,0 +1,40 @@
|
||||
//
|
||||
// AppDelegate.m
|
||||
// whisper.objc
|
||||
//
|
||||
// Created by Georgi Gerganov on 23.10.22.
|
||||
//
|
||||
|
||||
#import "AppDelegate.h"
|
||||
|
||||
@interface AppDelegate ()
|
||||
|
||||
@end
|
||||
|
||||
@implementation AppDelegate
|
||||
|
||||
|
||||
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
|
||||
// Override point for customization after application launch.
|
||||
return YES;
|
||||
}
|
||||
|
||||
|
||||
#pragma mark - UISceneSession lifecycle
|
||||
|
||||
|
||||
- (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options {
|
||||
// Called when a new scene session is being created.
|
||||
// Use this method to select a configuration to create the new scene with.
|
||||
return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role];
|
||||
}
|
||||
|
||||
|
||||
- (void)application:(UIApplication *)application didDiscardSceneSessions:(NSSet<UISceneSession *> *)sceneSessions {
|
||||
// Called when the user discards a scene session.
|
||||
// If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
|
||||
// Use this method to release any resources that were specific to the discarded scenes, as they will not return.
|
||||
}
|
||||
|
||||
|
||||
@end
|
||||
@ -0,0 +1,11 @@
|
||||
{
|
||||
"colors" : [
|
||||
{
|
||||
"idiom" : "universal"
|
||||
}
|
||||
],
|
||||
"info" : {
|
||||
"author" : "xcode",
|
||||
"version" : 1
|
||||
}
|
||||
}
|
||||
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|
||||
{
|
||||
"images" : [
|
||||
{
|
||||
"idiom" : "universal",
|
||||
"platform" : "ios",
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"size" : "1024x1024"
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||||
}
|
||||
],
|
||||
"info" : {
|
||||
"author" : "xcode",
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"version" : 1
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}
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||||
}
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@ -0,0 +1,6 @@
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{
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"info" : {
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"author" : "xcode",
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"version" : 1
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}
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}
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
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<dependencies>
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<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
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<capability name="Safe area layout guides" minToolsVersion="9.0"/>
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||||
<capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
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</dependencies>
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<scenes>
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<!--View Controller-->
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<scene sceneID="EHf-IW-A2E">
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<objects>
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<viewController id="01J-lp-oVM" sceneMemberID="viewController">
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<view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
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<rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
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<color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
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<viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
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</view>
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</viewController>
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<placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
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</objects>
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<point key="canvasLocation" x="53" y="375"/>
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</scene>
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</scenes>
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</document>
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@ -0,0 +1,88 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="21225" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
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<device id="retina6_0" orientation="portrait" appearance="light"/>
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<dependencies>
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<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="21207"/>
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<capability name="Safe area layout guides" minToolsVersion="9.0"/>
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<capability name="System colors in document resources" minToolsVersion="11.0"/>
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<capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
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<scenes>
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<!--View Controller-->
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<scene sceneID="tne-QT-ifu">
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<objects>
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<viewController id="BYZ-38-t0r" customClass="ViewController" sceneMemberID="viewController">
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<view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
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<rect key="frame" x="0.0" y="0.0" width="390" height="844"/>
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<autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMinY="YES" heightSizable="YES"/>
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<subviews>
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<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="VOi-PT-Rbu">
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<rect key="frame" x="35" y="121" width="156" height="34"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
|
||||
<color key="backgroundColor" systemColor="opaqueSeparatorColor"/>
|
||||
<color key="tintColor" systemColor="opaqueSeparatorColor"/>
|
||||
<state key="normal" title="Start Capturing">
|
||||
<color key="titleColor" systemColor="labelColor"/>
|
||||
</state>
|
||||
<connections>
|
||||
<action selector="toggleCapture:" destination="BYZ-38-t0r" eventType="touchUpInside" id="BuO-Wf-RgV"/>
|
||||
</connections>
|
||||
</button>
|
||||
<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Status: Idle" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Tgu-2q-eHQ">
|
||||
<rect key="frame" x="35" y="78" width="232" height="21"/>
|
||||
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
|
||||
<fontDescription key="fontDescription" type="system" pointSize="17"/>
|
||||
<nil key="textColor"/>
|
||||
<nil key="highlightedColor"/>
|
||||
</label>
|
||||
<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="Brs-xi-o8i">
|
||||
<rect key="frame" x="35" y="177" width="156" height="34"/>
|
||||
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
|
||||
<color key="backgroundColor" systemColor="opaqueSeparatorColor"/>
|
||||
<color key="tintColor" systemColor="opaqueSeparatorColor"/>
|
||||
<state key="normal" title="Transcribe">
|
||||
<color key="titleColor" systemColor="labelColor"/>
|
||||
</state>
|
||||
<connections>
|
||||
<action selector="onTranscribe:" destination="BYZ-38-t0r" eventType="touchUpInside" id="ond-bx-48O"/>
|
||||
<action selector="onTranscribePrepare:" destination="BYZ-38-t0r" eventType="touchDown" id="16T-dN-dfB"/>
|
||||
</connections>
|
||||
</button>
|
||||
<textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" fixedFrame="YES" text="Record some speech and press "Transcribe". The result will be displayed here." textAlignment="natural" translatesAutoresizingMaskIntoConstraints="NO" id="mv2-KD-7jn">
|
||||
<rect key="frame" x="35" y="248" width="320" height="300"/>
|
||||
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
|
||||
<color key="backgroundColor" systemColor="systemBackgroundColor"/>
|
||||
<color key="textColor" systemColor="labelColor"/>
|
||||
<fontDescription key="fontDescription" type="system" pointSize="14"/>
|
||||
<textInputTraits key="textInputTraits" autocapitalizationType="sentences"/>
|
||||
</textView>
|
||||
</subviews>
|
||||
<viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
|
||||
<color key="backgroundColor" systemColor="systemBackgroundColor"/>
|
||||
<constraints>
|
||||
<constraint firstItem="Brs-xi-o8i" firstAttribute="trailing" secondItem="VOi-PT-Rbu" secondAttribute="trailing" id="8mF-AW-cbc"/>
|
||||
</constraints>
|
||||
</view>
|
||||
<connections>
|
||||
<outlet property="buttonTranscribe" destination="Brs-xi-o8i" id="N8h-9W-ywb"/>
|
||||
<outlet property="labelStatusInp" destination="Tgu-2q-eHQ" id="1hH-Ql-K6j"/>
|
||||
<outlet property="textviewResult" destination="mv2-KD-7jn" id="RBw-0L-iGj"/>
|
||||
</connections>
|
||||
</viewController>
|
||||
<placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
|
||||
</objects>
|
||||
<point key="canvasLocation" x="30.769230769230766" y="-28.436018957345969"/>
|
||||
</scene>
|
||||
</scenes>
|
||||
<resources>
|
||||
<systemColor name="labelColor">
|
||||
<color red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
|
||||
</systemColor>
|
||||
<systemColor name="opaqueSeparatorColor">
|
||||
<color red="0.77647058823529413" green="0.77647058823529413" blue="0.78431372549019607" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
|
||||
</systemColor>
|
||||
<systemColor name="systemBackgroundColor">
|
||||
<color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
|
||||
</systemColor>
|
||||
</resources>
|
||||
</document>
|
||||
@ -0,0 +1,27 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
<plist version="1.0">
|
||||
<dict>
|
||||
<key>NSMicrophoneUsageDescription</key>
|
||||
<string>This app requires microphone access in order to transcribe speech</string>
|
||||
<key>UIApplicationSceneManifest</key>
|
||||
<dict>
|
||||
<key>UIApplicationSupportsMultipleScenes</key>
|
||||
<false/>
|
||||
<key>UISceneConfigurations</key>
|
||||
<dict>
|
||||
<key>UIWindowSceneSessionRoleApplication</key>
|
||||
<array>
|
||||
<dict>
|
||||
<key>UISceneConfigurationName</key>
|
||||
<string>Default Configuration</string>
|
||||
<key>UISceneDelegateClassName</key>
|
||||
<string>SceneDelegate</string>
|
||||
<key>UISceneStoryboardFile</key>
|
||||
<string>Main</string>
|
||||
</dict>
|
||||
</array>
|
||||
</dict>
|
||||
</dict>
|
||||
</dict>
|
||||
</plist>
|
||||
@ -0,0 +1,15 @@
|
||||
//
|
||||
// SceneDelegate.h
|
||||
// whisper.objc
|
||||
//
|
||||
// Created by Georgi Gerganov on 23.10.22.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
@interface SceneDelegate : UIResponder <UIWindowSceneDelegate>
|
||||
|
||||
@property (strong, nonatomic) UIWindow * window;
|
||||
|
||||
@end
|
||||
|
||||
@ -0,0 +1,57 @@
|
||||
//
|
||||
// SceneDelegate.m
|
||||
// whisper.objc
|
||||
//
|
||||
// Created by Georgi Gerganov on 23.10.22.
|
||||
//
|
||||
|
||||
#import "SceneDelegate.h"
|
||||
|
||||
@interface SceneDelegate ()
|
||||
|
||||
@end
|
||||
|
||||
@implementation SceneDelegate
|
||||
|
||||
|
||||
- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
|
||||
// Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
|
||||
// If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
|
||||
// This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
|
||||
}
|
||||
|
||||
|
||||
- (void)sceneDidDisconnect:(UIScene *)scene {
|
||||
// Called as the scene is being released by the system.
|
||||
// This occurs shortly after the scene enters the background, or when its session is discarded.
|
||||
// Release any resources associated with this scene that can be re-created the next time the scene connects.
|
||||
// The scene may re-connect later, as its session was not necessarily discarded (see `application:didDiscardSceneSessions` instead).
|
||||
}
|
||||
|
||||
|
||||
- (void)sceneDidBecomeActive:(UIScene *)scene {
|
||||
// Called when the scene has moved from an inactive state to an active state.
|
||||
// Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
|
||||
}
|
||||
|
||||
|
||||
- (void)sceneWillResignActive:(UIScene *)scene {
|
||||
// Called when the scene will move from an active state to an inactive state.
|
||||
// This may occur due to temporary interruptions (ex. an incoming phone call).
|
||||
}
|
||||
|
||||
|
||||
- (void)sceneWillEnterForeground:(UIScene *)scene {
|
||||
// Called as the scene transitions from the background to the foreground.
|
||||
// Use this method to undo the changes made on entering the background.
|
||||
}
|
||||
|
||||
|
||||
- (void)sceneDidEnterBackground:(UIScene *)scene {
|
||||
// Called as the scene transitions from the foreground to the background.
|
||||
// Use this method to save data, release shared resources, and store enough scene-specific state information
|
||||
// to restore the scene back to its current state.
|
||||
}
|
||||
|
||||
|
||||
@end
|
||||
@ -0,0 +1,41 @@
|
||||
//
|
||||
// ViewController.h
|
||||
// whisper.objc
|
||||
//
|
||||
// Created by Georgi Gerganov on 23.10.22.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
#import <AVFoundation/AVFoundation.h>
|
||||
#import <AudioToolbox/AudioQueue.h>
|
||||
|
||||
#define NUM_BUFFERS 3
|
||||
#define MAX_AUDIO_SEC 30
|
||||
#define SAMPLE_RATE 16000
|
||||
|
||||
struct whisper_context;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int ggwaveId;
|
||||
bool isCapturing;
|
||||
UILabel * labelReceived;
|
||||
|
||||
AudioQueueRef queue;
|
||||
AudioStreamBasicDescription dataFormat;
|
||||
AudioQueueBufferRef buffers[NUM_BUFFERS];
|
||||
|
||||
int n_samples;
|
||||
int16_t * audioBufferI16;
|
||||
float * audioBufferF32;
|
||||
|
||||
struct whisper_context * ctx;
|
||||
} StateInp;
|
||||
|
||||
@interface ViewController : UIViewController
|
||||
{
|
||||
StateInp stateInp;
|
||||
}
|
||||
|
||||
@end
|
||||
@ -0,0 +1,229 @@
|
||||
//
|
||||
// ViewController.m
|
||||
// whisper.objc
|
||||
//
|
||||
// Created by Georgi Gerganov on 23.10.22.
|
||||
//
|
||||
|
||||
#import "ViewController.h"
|
||||
|
||||
#import "whisper.h"
|
||||
|
||||
#define NUM_BYTES_PER_BUFFER 16*1024
|
||||
|
||||
// callback used to process captured audio
|
||||
void AudioInputCallback(void * inUserData,
|
||||
AudioQueueRef inAQ,
|
||||
AudioQueueBufferRef inBuffer,
|
||||
const AudioTimeStamp * inStartTime,
|
||||
UInt32 inNumberPacketDescriptions,
|
||||
const AudioStreamPacketDescription * inPacketDescs);
|
||||
|
||||
@interface ViewController ()
|
||||
|
||||
@property (weak, nonatomic) IBOutlet UILabel *labelStatusInp;
|
||||
@property (weak, nonatomic) IBOutlet UIButton *buttonToggleCapture;
|
||||
@property (weak, nonatomic) IBOutlet UIButton *buttonTranscribe;
|
||||
@property (weak, nonatomic) IBOutlet UITextView *textviewResult;
|
||||
|
||||
@end
|
||||
|
||||
@implementation ViewController
|
||||
|
||||
- (void)setupAudioFormat:(AudioStreamBasicDescription*)format
|
||||
{
|
||||
format->mSampleRate = 16000;
|
||||
format->mFormatID = kAudioFormatLinearPCM;
|
||||
format->mFramesPerPacket = 1;
|
||||
format->mChannelsPerFrame = 1;
|
||||
format->mBytesPerFrame = 2;
|
||||
format->mBytesPerPacket = 2;
|
||||
format->mBitsPerChannel = 16;
|
||||
format->mReserved = 0;
|
||||
format->mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
|
||||
}
|
||||
|
||||
- (void)viewDidLoad {
|
||||
[super viewDidLoad];
|
||||
|
||||
// whisper.cpp initialization
|
||||
{
|
||||
// load the model
|
||||
NSString *modelPath = [[NSBundle mainBundle] pathForResource:@"ggml-base.en" ofType:@"bin"];
|
||||
|
||||
// check if the model exists
|
||||
if (![[NSFileManager defaultManager] fileExistsAtPath:modelPath]) {
|
||||
NSLog(@"Model file not found");
|
||||
return;
|
||||
}
|
||||
|
||||
NSLog(@"Loading model from %@", modelPath);
|
||||
|
||||
// create ggml context
|
||||
stateInp.ctx = whisper_init([modelPath UTF8String]);
|
||||
|
||||
// check if the model was loaded successfully
|
||||
if (stateInp.ctx == NULL) {
|
||||
NSLog(@"Failed to load model");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// initialize audio format and buffers
|
||||
{
|
||||
[self setupAudioFormat:&stateInp.dataFormat];
|
||||
|
||||
stateInp.n_samples = 0;
|
||||
stateInp.audioBufferI16 = malloc(MAX_AUDIO_SEC*SAMPLE_RATE*sizeof(int16_t));
|
||||
stateInp.audioBufferF32 = malloc(MAX_AUDIO_SEC*SAMPLE_RATE*sizeof(float));
|
||||
}
|
||||
}
|
||||
|
||||
-(IBAction) stopCapturing {
|
||||
NSLog(@"Stop capturing");
|
||||
|
||||
_labelStatusInp.text = @"Status: Idle";
|
||||
|
||||
stateInp.isCapturing = false;
|
||||
|
||||
AudioQueueStop(stateInp.queue, true);
|
||||
for (int i = 0; i < NUM_BUFFERS; i++) {
|
||||
AudioQueueFreeBuffer(stateInp.queue, stateInp.buffers[i]);
|
||||
}
|
||||
|
||||
AudioQueueDispose(stateInp.queue, true);
|
||||
}
|
||||
|
||||
- (IBAction)toggleCapture:(id)sender {
|
||||
if (stateInp.isCapturing) {
|
||||
// stop capturing
|
||||
[self stopCapturing];
|
||||
[sender setTitle:@"Start Capturing" forState:UIControlStateNormal];
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
// initiate audio capturing
|
||||
NSLog(@"Start capturing");
|
||||
|
||||
stateInp.n_samples = 0;
|
||||
|
||||
OSStatus status = AudioQueueNewInput(&stateInp.dataFormat,
|
||||
AudioInputCallback,
|
||||
&stateInp,
|
||||
CFRunLoopGetCurrent(),
|
||||
kCFRunLoopCommonModes,
|
||||
0,
|
||||
&stateInp.queue);
|
||||
|
||||
if (status == 0) {
|
||||
for (int i = 0; i < NUM_BUFFERS; i++) {
|
||||
AudioQueueAllocateBuffer(stateInp.queue, NUM_BYTES_PER_BUFFER, &stateInp.buffers[i]);
|
||||
AudioQueueEnqueueBuffer (stateInp.queue, stateInp.buffers[i], 0, NULL);
|
||||
}
|
||||
|
||||
stateInp.isCapturing = true;
|
||||
status = AudioQueueStart(stateInp.queue, NULL);
|
||||
if (status == 0) {
|
||||
_labelStatusInp.text = @"Status: Capturing";
|
||||
[sender setTitle:@"Stop Capturing" forState:UIControlStateNormal];
|
||||
}
|
||||
}
|
||||
|
||||
if (status != 0) {
|
||||
[self stopCapturing];
|
||||
}
|
||||
}
|
||||
|
||||
- (IBAction)onTranscribePrepare:(id)sender {
|
||||
_textviewResult.text = @"Processing - please wait ...";
|
||||
|
||||
if (stateInp.isCapturing) {
|
||||
// stop capturing
|
||||
[self stopCapturing];
|
||||
[sender setTitle:@"Start Capturing" forState:UIControlStateNormal];
|
||||
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
- (IBAction)onTranscribe:(id)sender {
|
||||
NSLog(@"Processing %d samples", stateInp.n_samples);
|
||||
|
||||
// process captured audio
|
||||
// convert I16 to F32
|
||||
for (int i = 0; i < stateInp.n_samples; i++) {
|
||||
stateInp.audioBufferF32[i] = (float)stateInp.audioBufferI16[i] / 32768.0f;
|
||||
}
|
||||
|
||||
// run the model
|
||||
struct whisper_full_params params = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
|
||||
|
||||
params.print_realtime = true;
|
||||
params.print_progress = false;
|
||||
params.print_timestamps = true;
|
||||
params.print_special_tokens = false;
|
||||
params.translate = false;
|
||||
params.language = "en";
|
||||
params.n_threads = 4;
|
||||
params.offset_ms = 0;
|
||||
|
||||
if (whisper_full(stateInp.ctx, params, stateInp.audioBufferF32, stateInp.n_samples) != 0) {
|
||||
NSLog(@"Failed to run the model");
|
||||
_textviewResult.text = @"Failed to run the model";
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
// clear the text in the textview
|
||||
_textviewResult.text = @"";
|
||||
|
||||
int n_segments = whisper_full_n_segments(stateInp.ctx);
|
||||
for (int i = 0; i < n_segments; i++) {
|
||||
const char * text_cur = whisper_full_get_segment_text(stateInp.ctx, i);
|
||||
|
||||
// append the text to the textview
|
||||
_textviewResult.text = [_textviewResult.text stringByAppendingString:[NSString stringWithUTF8String:text_cur]];
|
||||
}
|
||||
|
||||
whisper_print_timings(stateInp.ctx);
|
||||
}
|
||||
|
||||
//
|
||||
// Callback implmentation
|
||||
//
|
||||
|
||||
void AudioInputCallback(void * inUserData,
|
||||
AudioQueueRef inAQ,
|
||||
AudioQueueBufferRef inBuffer,
|
||||
const AudioTimeStamp * inStartTime,
|
||||
UInt32 inNumberPacketDescriptions,
|
||||
const AudioStreamPacketDescription * inPacketDescs)
|
||||
{
|
||||
StateInp * stateInp = (StateInp*)inUserData;
|
||||
|
||||
if (!stateInp->isCapturing) {
|
||||
NSLog(@"Not capturing, ignoring audio");
|
||||
return;
|
||||
}
|
||||
|
||||
const int n = inBuffer->mAudioDataByteSize / 2;
|
||||
|
||||
NSLog(@"Captured %d new samples", n);
|
||||
|
||||
if (stateInp->n_samples + n > MAX_AUDIO_SEC*SAMPLE_RATE) {
|
||||
NSLog(@"Too much audio data, ignoring");
|
||||
return;
|
||||
}
|
||||
|
||||
for (int i = 0; i < n; i++) {
|
||||
stateInp->audioBufferI16[stateInp->n_samples + i] = ((short*)inBuffer->mAudioData)[i];
|
||||
}
|
||||
|
||||
stateInp->n_samples += n;
|
||||
|
||||
// put the buffer back in the queue
|
||||
AudioQueueEnqueueBuffer(stateInp->queue, inBuffer, 0, NULL);
|
||||
}
|
||||
|
||||
@end
|
||||
@ -0,0 +1,18 @@
|
||||
//
|
||||
// main.m
|
||||
// whisper.objc
|
||||
//
|
||||
// Created by Georgi Gerganov on 23.10.22.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
#import "AppDelegate.h"
|
||||
|
||||
int main(int argc, char * argv[]) {
|
||||
NSString * appDelegateClassName;
|
||||
@autoreleasepool {
|
||||
// Setup code that might create autoreleased objects goes here.
|
||||
appDelegateClassName = NSStringFromClass([AppDelegate class]);
|
||||
}
|
||||
return UIApplicationMain(argc, argv, nil, appDelegateClassName);
|
||||
}
|
||||
Loading…
Reference in new issue