[camera_android_camerax] Document camera package fps setting has no effect – always records at 30fps #167719
Description
Steps to reproduce
- Use the Flutter camera package (0.11.0+2) on a device (Android) that supports 60 fps video.
- Initialize the camera with fps: 60 in the constructor.
- Record a video and inspect the frame rate.
Expected results
The video should be recorded at 60 fps when the device supports it and the fps value is set accordingly.
Actual results
The video is always recorded at 30 fps, regardless of the fps setting.
Code sample
Code sample
cameraController = CameraController(
camera ?? _cameras![0],
ResolutionPreset.veryHigh,
enableAudio: true,
imageFormatGroup: ImageFormatGroup.jpeg,
fps: 60,
);Flutter Doctor output
Doctor output
flutter doctor -v
[√] Flutter (Channel stable, 3.27.1, on Microsoft Windows [Version 10.0.26100.3775], locale en-US)
• Flutter version 3.27.1 on channel stable at C:\flutter\flutter_3.27.1
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 17025dd882 (4 months ago), 2024-12-17 03:23:09 +0900
• Engine revision cb4b5fff73
• Dart version 3.6.0
• DevTools version 2.40.2
[√] Windows Version (Installed version of Windows is version 10 or higher)
[√] Android toolchain - develop for Android devices (Android SDK version 35.0.1)
• Android SDK at C:\Users\M\AppData\Local\Android\sdk
• Platform android-35, build-tools 35.0.1
• Java binary at: C:\Program Files\Android\Android Studio\jbr\bin\java
• Java version OpenJDK Runtime Environment (build 17.0.11+0--11852314)
• All Android licenses accepted.
[√] Chrome - develop for the web
• Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe
[√] Visual Studio - develop Windows apps (Visual Studio Community 2022 17.13.6)
• Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
• Visual Studio Community 2022 version 17.13.35931.197
• Windows 10 SDK version 10.0.22621.0
[√] Android Studio (version 2024.1)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 17.0.11+0--11852314)
[√] VS Code (version 1.99.3)
• VS Code at C:\Users\M\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.106.0
[√] Connected device (4 available)
• sdk gphone64 x86 64 (mobile) • emulator-5554 • android-x64 • Android 15 (API 35) (emulator)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.26100.3775]
• Chrome (web) • chrome • web-javascript • Google Chrome 135.0.7049.97
• Edge (web) • edge • web-javascript • Microsoft Edge 135.0.3179.66
[√] Network resources
• All expected network resources are available.
• No issues found!