59 lines
1.6 KiB
Objective-C
59 lines
1.6 KiB
Objective-C
//
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// SCManagedVideoStreamReporter.m
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// Snapchat
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//
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// Created by Liu Liu on 5/16/15.
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// Copyright (c) 2015 Snapchat, Inc. All rights reserved.
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//
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#import "SCManagedVideoStreamReporter.h"
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#import <SCFoundation/SCLog.h>
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#import <SCLogger/SCLogger.h>
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static NSTimeInterval const SCManagedVideoStreamReporterInterval = 10;
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@implementation SCManagedVideoStreamReporter {
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NSUInteger _droppedSampleBuffers;
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NSUInteger _outputSampleBuffers;
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NSTimeInterval _lastReportTime;
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}
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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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_lastReportTime = CACurrentMediaTime();
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}
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return self;
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}
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- (void)_reportIfNeeded
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{
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NSTimeInterval currentTime = CACurrentMediaTime();
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if (currentTime - _lastReportTime > SCManagedVideoStreamReporterInterval) {
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SCLogGeneralInfo(@"Time: (%.3f - %.3f], Video Streamer Dropped %tu, Output %tu", _lastReportTime, currentTime,
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_droppedSampleBuffers, _outputSampleBuffers);
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_droppedSampleBuffers = _outputSampleBuffers = 0;
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_lastReportTime = currentTime;
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}
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}
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- (void)managedVideoDataSource:(id<SCManagedVideoDataSource>)managedVideoDataSource
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didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
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devicePosition:(SCManagedCaptureDevicePosition)devicePosition
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{
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++_outputSampleBuffers;
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[self _reportIfNeeded];
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}
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- (void)managedVideoDataSource:(id<SCManagedVideoDataSource>)managedVideoDataSource
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didDropSampleBuffer:(CMSampleBufferRef)sampleBuffer
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devicePosition:(SCManagedCaptureDevicePosition)devicePosition
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{
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++_droppedSampleBuffers;
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[self _reportIfNeeded];
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}
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@end
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