1767e6e881
* fix: Fully synchronize `RecordingSession` to account for late Frames * Restructure Code * Update RecordingSession.swift * Fix last audio timestamp not being used * fix: Remove `capture/aborted` error * Update RecordingSession.swift * Don't log for every Frame * Format
33 lines
952 B
Swift
33 lines
952 B
Swift
//
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// AVCaptureSession+synchronizeBuffer.swift
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// VisionCamera
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//
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// Created by Marc Rousavy on 22.11.23.
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// Copyright © 2023 mrousavy. All rights reserved.
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//
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import AVFoundation
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import Foundation
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extension AVCaptureSession {
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/**
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Returns the clock that is used by this AVCaptureSession.
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*/
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var clock: CMClock {
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if #available(iOS 15.4, *), let synchronizationClock {
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return synchronizationClock
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}
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return masterClock ?? CMClockGetHostTimeClock()
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}
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/**
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Synchronizes a Buffer received from this [AVCaptureSession] to the timebase of the other given [AVCaptureSession].
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*/
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func synchronizeBuffer(_ buffer: CMSampleBuffer, toSession to: AVCaptureSession) {
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let timestamp = CMSampleBufferGetPresentationTimeStamp(buffer)
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let synchronizedTimestamp = CMSyncConvertTime(timestamp, from: clock, to: to.clock)
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CMSampleBufferSetOutputPresentationTimeStamp(buffer, newValue: synchronizedTimestamp)
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}
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}
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