340 lines
12 KiB
Objective-C
340 lines
12 KiB
Objective-C
//
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// TestAsrOfflineRtfViewController.m
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// SpeechDemo
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//
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// Created by bytedance on 2023/6/6.
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// Copyright © 2023 chengzihao.ds. All rights reserved.
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//
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#import "TestAsrOfflineRtfViewController.h"
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#import <AVFoundation/AVFoundation.h>
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#import "AppDelegate.h"
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#import "FileUtils.h"
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#import "SettingsHelper.h"
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#import "ViewController.h"
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@interface TestAsrOfflineRtfViewController () <SpeechEngineDelegate, UITextViewDelegate>
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@property (weak, nonatomic) IBOutlet UITextView *resultTextView;
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@property (weak, nonatomic) IBOutlet UITextField *statusTextView;
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@property (weak, nonatomic) IBOutlet UIButton *engineInitButton;
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@property (weak, nonatomic) IBOutlet UIButton *engineUninitButton;
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@property (weak, nonatomic) IBOutlet UIButton *startEngineButton;
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@property (weak, nonatomic) IBOutlet UIButton *stopEngineButton;
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@property (strong, nonatomic) SpeechEngine *curEngine;
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@property (assign, nonatomic) BOOL engineStarted;
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@property (nonatomic, strong) NSString *deviceID;
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@property (nonatomic, assign) long feedTimestamp;
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@property (nonatomic, assign) int audioLength;
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@property (strong, nonatomic) NSString *debugPath;
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// settings
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@property (strong, nonatomic) Settings *settings;
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@end
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@implementation TestAsrOfflineRtfViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.settings = [[SettingsHelper shareInstance]getSettings:VIEW_TEST_ASR_OFFLINE_RTF];
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self.engineInitButton.enabled = TRUE;
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self.engineUninitButton.enabled = FALSE;
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self.startEngineButton.enabled = FALSE;
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self.stopEngineButton.enabled = FALSE;
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[self.statusTextView setText:@"Waiting for init."];
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[self decorateTextView:self.resultTextView];
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[ViewController setAppDelegate:(AppDelegate *)[[UIApplication sharedApplication] delegate]];
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self.engineStarted = FALSE;
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}
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- (void)viewDidDisappear:(BOOL)animated {
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[self uninitEngine];
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[super viewDidDisappear:animated];
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}
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- (void)decorateTextView:(UITextView *)textView {
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textView.layer.cornerRadius = 5.0f;
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textView.layer.borderWidth = .25f;
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textView.layer.borderColor = [UIColor grayColor].CGColor;
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}
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#pragma mark - SpeechEngineDelegate
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- (void)onMessageWithType:(SEMessageType)type andData:(NSData *)data {
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NSLog(@"Message Type: %d.", type);
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switch (type) {
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case SEEngineStart:
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[self speechEngineStarted];
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break;
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case SEEngineStop:
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[self speechEngineStopped];
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break;
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case SEEngineError:
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[self speechEngineError:data];
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break;
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case SEAsrPartialResult:
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[self speechEngineResult:data isFinal:FALSE];
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break;
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case SEFinalResult:
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[self speechEngineResult:data isFinal:TRUE];
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break;
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case SEVolumeLevel:
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NSLog(@"volume level: %s", (char*)data.bytes);
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break;
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case SEEngineLog:
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NSLog(@"engine log: %s", (char*)data.bytes);
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break;
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default:
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break;
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}
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}
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#pragma mark - UI Actions
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- (IBAction)initEngine:(id)sender {
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[self initEngine];
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}
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- (IBAction)uninitEngine:(id)sender {
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if (self.engineStarted) {
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[self.statusTextView setText:@"Engine is busy, stop it first!"];
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return;
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}
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[self uninitEngine];
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[self.resultTextView setTextColor:UIColor.grayColor];
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[self.resultTextView setText:@"点击或按住说话后，展示语音识别结果"];
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}
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- (IBAction)startEngine:(id)sender {
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NSLog(@"Start engine.");
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[self.curEngine setStringParam:[self.settings getString:SETTING_APPID] forKey:SE_PARAMS_KEY_APP_ID_STRING];
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[self.curEngine setBoolParam:[self.settings getBool:SETTING_ASR_ENABLE_ITN] forKey:SE_PARAMS_KEY_ASR_ENABLE_ITN_BOOL];
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[self.curEngine setBoolParam:FALSE forKey:SE_PARAMS_KEY_ASR_AUTO_STOP_BOOL];
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SEEngineErrorCode ret = [self.curEngine sendDirective:SEDirectiveStartEngine];
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if (ret == SERecCheckEnvironmentFailed) {
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[self speechEngineNoPermission];
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return;
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}
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}
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- (IBAction)stopEngine:(id)sender {
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NSLog(@"Stop engine.");
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[self.curEngine sendDirective:SEDirectiveStopEngine];
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}
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#pragma mark - Init Methods
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- (void)initEngine {
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AppDelegate *appDelegate = [ViewController getAppDelegate];
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if (appDelegate == nil) {
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appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
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}
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if (appDelegate.deviceID.length < 1) {
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self.engineInitButton.enabled = FALSE;
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dispatch_async(dispatch_get_main_queue(), ^{
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[self.statusTextView setText:@"Waiting for get deviceID."];
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sleep(1);
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[self initEngine];
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});
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return;
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}
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[ViewController setAppDelegate:appDelegate];
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self.deviceID = appDelegate.deviceID;
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if (self.curEngine == nil) {
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self.curEngine = [[SpeechEngine alloc] init];
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}
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if (![self.curEngine createEngineWithDelegate:self]) {
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NSLog(@"Create speech engine failed.");
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return;
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}
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[self.resultTextView setTextColor:UIColor.blackColor];
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NSLog(@"Engine version: %@", [self.curEngine getVersion]);
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self.debugPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject;
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NSLog(@"Debug path: %@", self.debugPath);
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[self.curEngine setStringParam:self.debugPath forKey:SE_PARAMS_KEY_DEBUG_PATH_STRING];
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[self.curEngine setStringParam:SE_LOG_LEVEL_TRACE forKey:SE_PARAMS_KEY_LOG_LEVEL_STRING];
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[self.curEngine setStringParam:[self.settings getString:SETTING_APPID] forKey:SE_PARAMS_KEY_APP_ID_STRING];
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[self.curEngine setStringParam:@"388808087185088" forKey:SE_PARAMS_KEY_UID_STRING];
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[self.curEngine setIntParam:1 forKey:SE_PARAMS_KEY_CHANNEL_NUM_INT];
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[self.curEngine setBoolParam:FALSE forKey:SE_PARAMS_KEY_ASR_AUTO_STOP_BOOL];
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[self.curEngine setStringParam:@"" forKey:SE_PARAMS_KEY_ASR_REC_PATH_STRING];
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if ([self.settings getBool:SETTING_ASR_RECORDER_SAVE]) {
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[self.curEngine setStringParam:self.debugPath forKey:SE_PARAMS_KEY_ASR_REC_PATH_STRING];
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}
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[self.curEngine setStringParam:SE_RECORDER_TYPE_STREAM forKey:SE_PARAMS_KEY_RECORDER_TYPE_STRING];
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[self.curEngine setStringParam:SE_ASR_ENGINE forKey:SE_PARAMS_KEY_ENGINE_NAME_STRING];
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[self.curEngine setIntParam:16000 forKey:SE_PARAMS_KEY_SAMPLE_RATE_INT];
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[self.curEngine setBoolParam:true forKey:SE_PARAMS_KEY_ASR_SHOW_UTTER_BOOL];
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[self.curEngine setBoolParam:[self.settings getBool:SETTING_ASR_SHOW_LANGUAGE] forKey:SE_PARAMS_KEY_ASR_SHOW_LANG_BOOL];
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[self.curEngine setBoolParam:true forKey:SE_PARAMS_KEY_ASR_SHOW_VOLUME_BOOL];
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[self.curEngine setIntParam:SEAsrWorkModeOfflineFlute forKey:SE_PARAMS_KEY_ASR_WORK_MODE_INT];
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NSString* modelsPath = [NSString stringWithFormat:@"%@/models", self.debugPath];
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[self.curEngine setStringParam:modelsPath forKey:SE_PARAMS_KEY_ASR_OFF_RESOURCE_PATH_STRING];
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NSLog(@"Models path: %@", modelsPath);
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SEEngineErrorCode ret = [self.curEngine initEngine];
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if (ret != SENoError) {
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NSLog(@"Init Engine failed: %ld", ret);
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}
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if (ret == SENoError) {
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[self speechEngineInitOk];
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} else {
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[self speechEngineInitFailed];
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}
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}
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- (void)uninitEngine {
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[self.curEngine destroyEngine];
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self.curEngine = nil;
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self.engineInitButton.enabled = TRUE;
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self.engineUninitButton.enabled = FALSE;
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self.startEngineButton.enabled = FALSE;
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self.stopEngineButton.enabled = FALSE;
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}
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- (void)setHotWords:(NSString*) hotWords {
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[self.curEngine sendDirective:SEDirectiveUpdateAsrHotWords data: hotWords];
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}
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#pragma mark - Engine Callback
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- (void)speechEngineNoPermission {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self uninitEngine];
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[self.statusTextView setText:@"No permission!"];
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self.engineInitButton.enabled = TRUE;
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self.engineUninitButton.enabled = FALSE;
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});
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}
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- (void)speechEngineInitOk {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self.statusTextView setText:@"Ready"];
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[self.resultTextView setText:[NSString stringWithFormat:@"DeviceID: %@", self.deviceID]];
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self.engineUninitButton.enabled = TRUE;
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self.engineInitButton.enabled = FALSE;
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self.startEngineButton.enabled = TRUE;
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});
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}
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- (void)speechEngineInitFailed {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self uninitEngine];
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[self.statusTextView setText:@"Failed to init engine!"];
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self.engineInitButton.enabled = TRUE;
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self.engineUninitButton.enabled = FALSE;
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});
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}
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- (void)speechEngineStarted {
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dispatch_async(dispatch_get_main_queue(), ^{
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self.engineStarted = true;
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[self.statusTextView setText:@"Engine Started!"];
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self.startEngineButton.enabled = FALSE;
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self.stopEngineButton.enabled = TRUE;
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// Read whole file into nsdata.
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NSString* filePath = [NSString stringWithFormat:@"%@/%@", self.debugPath, @"asr_rec_file.pcm"];
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NSData *fileData = [NSData dataWithContentsOfFile:filePath];
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if (!fileData) {
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[self.resultTextView setText:@"ERROR: File asr_rec_file.pcm not found!"];
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[self stopEngine:NULL];
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return;
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}
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int maxLength = [self.settings getInt:SETTING_STREAM_PACKAGE_DURATION] * 16 * 2;
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int16_t* feedData = (int16_t*) malloc(maxLength * sizeof(int16_t));
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self.audioLength = MIN(maxLength, [fileData length]);
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memcpy(feedData, [fileData bytes], self.audioLength);
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self.feedTimestamp = [[NSDate date] timeIntervalSince1970] * 1000;
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[self.curEngine feedAudio:feedData length:self.audioLength / 2];
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[self.curEngine sendDirective:SEDirectiveFinishTalking];
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free(feedData);
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feedData = NULL;
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});
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}
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- (void)speechEngineStopped {
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dispatch_async(dispatch_get_main_queue(), ^{
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self.engineStarted = FALSE;
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[self.statusTextView setText:@"Engine Stopped!"];
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self.startEngineButton.enabled = TRUE;
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self.stopEngineButton.enabled = FALSE;
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});
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}
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- (void)speechEngineResult:(NSData *)data isFinal:(BOOL)isFinal {
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dispatch_async(dispatch_get_main_queue(), ^{
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long delay = 0;
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if (isFinal) {
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long current = [[NSDate date] timeIntervalSince1970] * 1000;
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delay = current - self.feedTimestamp;
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}
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NSError *error;
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NSDictionary *jsonResult = [NSJSONSerialization JSONObjectWithData:data
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options:NSJSONReadingMutableContainers
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error:&error];
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NSMutableString *text = [[NSMutableString alloc] initWithString:@""];
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if (![jsonResult objectForKey:@"result"]) {
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return;
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}
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[text appendFormat:@"result: %@", [[[jsonResult objectForKey:@"result"] firstObject] objectForKey:@"text"]];
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if (isFinal) {
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[text appendFormat:@"\naudio_length: %ld", self.audioLength];
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[text appendFormat:@"\nresponse_delay: %ld", delay];
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[text appendFormat:@"\nrtf: %f", (float) delay / (self.audioLength / 16 / 2)];
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}
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if (text.length) {
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[self.resultTextView setText:[text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]];
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NSLog(@"asr test result: %@", text);
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}
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});
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}
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- (void)speechEngineError:(NSData *)data {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self.resultTextView setText:[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]];
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});
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}
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- (void)setResultText:(NSString *)result {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self.resultTextView setText:[result stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]];
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});
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}
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#pragma mark - UITextViewDelegate
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- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
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if([text isEqualToString:@"\n"]) {
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[textView resignFirstResponder];
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return NO;
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}
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return YES;
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}
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#pragma mark - Navigation
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// In a storyboard-based application, you will often want to do a little preparation before navigation
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- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
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// Get the new view controller using [segue destinationViewController].
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// Pass the selected object to the new view controller.
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id nextPage = [segue destinationViewController];
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[nextPage setValue:VIEW_TEST_ASR_OFFLINE_RTF forKey:@"viewId"];
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}
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@end
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