tencent cloud

Tencent Real-Time Communication

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제품 업데이트
Tencent Cloud 오디오/비디오 단말 SDK 재생 업그레이드 및 권한 부여 인증 추가
TRTC 월간 구독 패키지 출시 관련 안내
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Call
개요(TUICallKit)
Activate the Service
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빠른 통합(TUICallKit)
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온클라우드 녹화(TUICallKit)
AI Noise Reduction
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Calls integration to Chat
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No UI Integration
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릴리스 노트
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Billing of Video Live Component
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Appendix
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Solution
Real-Time Chorus
FAQs
과금 개요
기능 관련
UserSig 관련
방화벽 제한 처리
설치 패키지 용량 축소 관련 질문
Andriod 및 iOS 관련
Web 관련
Flutter 관련
Electron 관련
TRTCCalling Web 관련
멀티미디어 품질 관련
기타 질문
Protocols and Policies
컴플라이언스 인증
보안 백서
정보 보안에 관한 참고 사항
Service Level Agreement
Apple Privacy Policy: PrivacyInfo.xcprivacy
TRTC 정책
개인 정보 보호 정책
데이터 처리 및 보안 계약
용어집
문서Tencent Real-Time CommunicationRTC EngineUsage Guidelines06. Advanced Guide영상 화면 회전 및 확대/축소Flutter

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마지막 업데이트 시간: 2025-07-30 12:02:50

Overview

Unlike the ubiquitous vertical screen experience of mobile live streaming, Tencent Real-Time Communication (TRTC) must accommodate both landscape and portrait viewing modes, thereby requiring extensive handling of screen orientation. This article primarily discusses:
The implementation of the portrait mode pattern, for instance: WeChat's video calling is a typical example of the portrait experience pattern.
The execution of the landscape mode pattern, for example: Multi-person audio-video room applications (like Little Fish Easy Connection) typically adopt the landscape mode pattern.
How to customize the control of the rotation direction and fill pattern for both local and remote images.




Supported Platforms

iOS
Android
macOS
Windows
Electron
Flutter
Web
✓
✓
✓
✓
✓
✓
×

Portrait pattern

To realize a WeChat-like video call experience pattern, two tasks must be performed:

1. Configure the App's UI to display in portrait mode

iOS platform
Android platform
You can directly set this in Xcode's General > Deployment Info > Device Orientation:


By setting the screenOrientation attribute of the activity to portrait, one can specify that this interface is in portrait pattern
<activity android:name=".trtc.TRTCMainActivity"  android:launchMode="singleTask" android:windowSoftInputMode="adjustPan"
          android:screenOrientation="portrait" />

2. Configuration SDK utilizing vertical screen resolution

Whilst utilizing the TRTCCloud's setVideoEncoderParam setting for video coding parameters, specifying videoResolutionMode as TRTCVideoResolutionMode.portrait will suffice. Below is the exemplar code:
_trtcCloud.setVideoEncoderParam(
    TRTCVideoEncParam(
      videoFps: 15,
      videoResolution: TRTCVideoResolution.res_640_360,
      videoBitrate: 600,
      videoResolutionMode: TRTCVideoResolutionMode.portrait,
    )
);

Landscape mode

If you wish for the App to have a landscape orientation experience, the work you need to carry out is similar to that of the portrait pattern. You simply need to adjust the parameters in the first and second steps accordingly.
Specifically in the second step, the value of videoResolutionMode in TRTCVideoEncParam should be: TRTCVideoResolutionMode.landscape.

Tailored Control

The TRTC SDK provides interface functions to manipulate both the local and remote screen's rotation direction and fill pattern:
Interface Function
Functionality
Annotation Note
Establishing the clockwise rotation angle of the encoder output display
Supports rotation in two directions: 0 and 180 degrees clockwise

GSensorMode

Given the various compatibility issues involved in screen rotation, recording, and CDN live streaming, TRTC SDK only provides a simple gravity-sensing adaptive function. You can enable this via the setGravitySensorAdaptiveMode interface of TRTCCloud.
This function supports 90-degree, 180-degree and 270-degree rotation adaptation. That is, when the user's own phone rotates, the orientation of the image seen by others remains unchanged. Furthermore, this adaptation is based on adjustments to the encoder's direction. Therefore, recorded videos, as well as images viewed on mini-programs and H5 end, can maintain the original orientation.
Note:
Another implementation of gravity-sensing adaptation involves encoding the gravity direction of each video frame, and then adaptively adjusting the rendering direction at the end of the remote user. However, this embodiment requires the introduction of additional transcoding resources to solve the problem of keeping the direction of the recorded video consistent with the expected video direction. Therefore, it is not recommended.


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