78 lines
2.2 KiB
Objective-C
78 lines
2.2 KiB
Objective-C
//
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// SCManagedVideoCapturerLogger.m
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// Snapchat
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//
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// Created by Pinlin on 12/04/2017.
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// Copyright © 2017 Snapchat, Inc. All rights reserved.
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//
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#import "SCManagedVideoCapturerLogger.h"
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#import <SCFoundation/SCAssertWrapper.h>
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#import <SCFoundation/SCLog.h>
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#import <SCLogger/SCCameraMetrics.h>
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#import <SCLogger/SCLogger.h>
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@import QuartzCore;
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@interface SCManagedVideoCapturerLogger () {
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// For time profiles metric during start recording
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NSMutableDictionary *_startingStepsDelayTime;
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NSTimeInterval _beginStartTime;
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NSTimeInterval _lastCheckpointTime;
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NSTimeInterval _startedTime;
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}
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@end
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@implementation SCManagedVideoCapturerLogger
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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_startingStepsDelayTime = [NSMutableDictionary dictionary];
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}
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return self;
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}
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- (void)prepareForStartingLog
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{
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_beginStartTime = CACurrentMediaTime();
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_lastCheckpointTime = _beginStartTime;
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[_startingStepsDelayTime removeAllObjects];
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}
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- (void)logStartingStep:(NSString *)stepname
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{
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SCAssert(_beginStartTime > 0, @"logger is not ready yet, please call prepareForStartingLog at first");
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NSTimeInterval currentCheckpointTime = CACurrentMediaTime();
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_startingStepsDelayTime[stepname] = @(currentCheckpointTime - _lastCheckpointTime);
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_lastCheckpointTime = currentCheckpointTime;
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}
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- (void)endLoggingForStarting
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{
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SCAssert(_beginStartTime > 0, @"logger is not ready yet, please call prepareForStartingLog at first");
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_startedTime = CACurrentMediaTime();
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[self logStartingStep:kSCCapturerStartingStepStartingWriting];
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_startingStepsDelayTime[kCapturerStartingTotalDelay] = @(CACurrentMediaTime() - _beginStartTime);
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}
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- (void)logEventIfStartingTooSlow
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{
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if (_beginStartTime > 0) {
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if (_startingStepsDelayTime.count == 0) {
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// It should not be here. We only need to log once.
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return;
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}
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SCLogGeneralWarning(@"Capturer starting delay(in second):%f", _startedTime - _beginStartTime);
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[[SCLogger sharedInstance] logEvent:kSCCameraMetricsVideoCapturerStartDelay parameters:_startingStepsDelayTime];
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// Clean all delay times after logging
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[_startingStepsDelayTime removeAllObjects];
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_beginStartTime = 0;
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}
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}
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@end
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