[camerax] ResolutionPreset.medium image stream generates 640x480 images on Android, not 720x480 ones like with camera_android and as stated in the doc #141766
Description
Steps to reproduce
- Create a simple Flutter application.
- Use the following dependencies on your pubspec.yaml:
camera: ^0.10.5+9
- Set up a camera controller using
ResolutionPreset.mediumand start an image stream throughstartImageStream. - Run the application on a real device. I use a Sony Z5C with Android 7.1.1 and a Google Pixel 6a with Android 14.
- Now update your pubspec.yaml:
camera: ^0.10.5+9
camera_android_camerax: ^0.5.0+26
- Perform a
flutter clean(to be on the safe side) and run your application again.
Expected results
The CameraImage image instance obtained from the stream should have a resolution of 720x480 in all cases (camera_android and camera_android_camerax) - shouldn't it?
The documentation of ResolutionPreset states:
/// 480p (640x480 on iOS, 720x480 on Android and Web)
medium,
I haven't tried with other ResolutionPresets.
Actual results
CameraImage has a resolution of
- 720x480 when
camera_androidis used (this matches what the documentation says). The aspect ratio of the camera preview is 720/480=1.5. - 640x480 when
camera_android_cameraxis used. The aspect ratio of the camera preview is 640/480=1.333.
I am (personally) fine if 640x480 is used with camera_android_camerax, but the documentation needs to be updated (or the code of camera_android_camerax or camera_android needs to be changed?)
640x480 matches the iOS resolution.
Code sample
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[√] Flutter (Channel stable, 3.16.7, on Microsoft Windows [version 10.0.22000.2538], locale fr-FR)
• Flutter version 3.16.7 on channel stable at C:\Users\andy\Documents\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision ef1af02aea (7 days ago), 2024-01-11 15:19:26 -0600
• Engine revision 4a585b7929
• Dart version 3.2.4
• DevTools version 2.28.5
[√] Windows Version (Installed version of Windows is version 10 or higher)
[√] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
• Android SDK at C:\Users\andy\AppData\Local\Android\sdk
• Platform android-34, build-tools 34.0.0
• Java binary at: C:\Program Files\Android\Android Studio\jbr\bin\java
• Java version OpenJDK Runtime Environment (build 17.0.6+0-b2043.56-10027231)
• 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 17.0.2)
• Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
• Visual Studio Community 2022 version 17.0.31919.166
• Windows 10 SDK version 10.0.19041.0
[√] Android Studio (version 2022.2)
• Android Studio at C:\Users\andy\Documents\Applications\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 11.0.15+0-b2043.56-9505619)
[√] Android Studio (version 2022.3)
• 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 17.0.6+0-b2043.56-10027231)
[√] IntelliJ IDEA Community Edition (version 2021.3)
• IntelliJ at C:\Users\andy\Documents\Applications\IntelliJ
• 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
[√] VS Code (version 1.85.1)
• VS Code at C:\Users\andy\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.80.0
[√] Connected device (5 available)
• Pixel 6a (mobile) • 29231JEGR03669 • android-arm64 • Android 14 (API 34)
• E5823 (mobile) • CB5A28LMYH • android-arm64 • Android 7.1.1 (API 25)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [version 10.0.22000.2538]
• Chrome (web) • chrome • web-javascript • Google Chrome 120.0.6099.218
• Edge (web) • edge • web-javascript • Microsoft Edge 120.0.2210.133
[√] Network resources
• All expected network resources are available.
• No issues found!Metadata
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High-priority issues at the top of the work listFound to occur in 3.16Found to occur in 3.19The issue has been confirmed reproducible and is ready to work onThe camera pluginflutter/packages repository. See also p: labels.Android applications specificallyIssue is closed as already fixed in a newer versionOwned by Android platform teamTriaged by Android platform team