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Bug Report: Front Camera Video Rotation Issue in iOS 18.4 #888

@jay875037671

Description

@jay875037671

Description
In iOS 18.4 official release, videos captured via the front-facing camera through WebView or Safari are rotated 90 degrees counterclockwise. This issue results in incorrect video orientation and impacts user experience.

Steps to Reproduce

Open Safari or a WebView-based app on an iOS 18.4 device

Capture video using the front-facing camera

Observe the orientation of the output video

Expected Behavior
The video should align with the device's physical orientation without additional rotation.

Actual Behavior
The video is rotated 90 degrees counterclockwise (e.g., vertical recording appears as misaligned horizontal).

Device Information

OS: iOS 18.4 Stable Release

Device: iPhone [Model, e.g., iPhone 16 ProMax]

Browser: Safari/WebView [Version]

Additional Context

Potentially related to EXIF orientation tag handling or coordinate system transformation

问题报告:iOS 18.4 前置摄像头视频画面旋转异常
问题描述
在 iOS 18.4 正式版中,通过 WebView 或 Safari 调用前置摄像头拍摄的视频画面会被逆时针旋转 90 度。此问题导致视频方向不正确,影响用户体验。

复现步骤

在 iOS 18.4 设备上打开 Safari 或 WebView 应用

调用前置摄像头进行视频拍摄

观察输出的视频画面方向

预期行为
视频画面应保持与设备物理方向一致,无需额外旋转。

实际行为
视频画面被逆时针旋转 90 度(例如:竖屏拍摄时视频显示为横屏,且方向错误)。

设备信息

操作系统:iOS 18.4 正式版

设备型号:iPhone [型号,如 iPhone 16 ProMax]

浏览器:Safari / WebView [版本号]

附加信息

可能与 EXIF 方向标签处理或坐标系转换有关

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