VOD-视频点播android快速集成运行Demo源码播放url视频没看到报错 但是黑屏，怎么处理？

VOD-视频点播android 快速集成 运行Demo源码（不含内置UI） 播放url视频 没看到报错 但是黑屏，怎么处理？2023-06-02 14:07:16.299 17627-17627/com.welsee.classcard V/version: external version is 20230517_14:14:43_4ddde199 2023-06-02 14:07:16.312 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [] :Ffmpeg version v4.3.1.7.2 2023-06-02 14:07:16.314 17627-17627/com.welsee.classcard W/AliFrameWork: [29874753] [PlayerJNI] :JNI_OnLoad 2023-06-02 14:07:16.324 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [analytics] :mReporter:0x86bcee40 2023-06-02 14:07:16.389 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [licenseManager] :license init success 2023-06-02 14:07:16.393 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [] :setWorkPath :/data/user/0/com.welsee.classcard/lib/ 2023-06-02 14:07:16.401 17627-17627/com.welsee.classcard W/AliFrameWork: [29874753] [cloud_config_manager] :cloud config request: appid=com.welsee.classcard, sdk_version=5.5.5.1, brand_name=Android, device_name=android, os_version=7.1.2, device_id=d9c13327c2984decbd5c37b3f2ebb09f, network_type=0 2023-06-02 14:07:16.402 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [analytics] :mReporter:0x86bcfc80 2023-06-02 14:07:16.402 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [crashMonitor] :crash monitor allow capture : 1 2023-06-02 14:07:16.405 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [crashMonitor] :crashMonitor iTraceId : aliyun-player-sdk, crashDir : /storage/emulated/0/Android/data/com.welsee.classcard/cache/crashdir, sdkVersion : 5.5.5.1, sdkBuildId : 29874753, sdkBuildTime : 230517142022 2023-06-02 14:07:16.406 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [analytics] :mReporter:0x86bcfef0 2023-06-02 14:07:16.409 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [analytics] :eventCode:5007, name: string:ci_av * 1.0.60 || ci_bi * 29874753 || ci_bt * 230517142022 || ci_ii * aliyun-player-sdk || ci_st * player-standard || ci_sv * 5.5.5.1 ret:0 2023-06-02 14:07:16.409 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [AVPBase] :API_IN:setConvertURLCb 2023-06-02 14:07:16.410 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [NativeBase] :java_EnableVideoRenderedCallback() = 1 2023-06-02 14:07:16.413 17627-17627/com.welsee.classcard E/AliLivePlayerView: init: SurfaceRenderView 2023-06-02 14:07:16.413 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [NativeBase] :java_SetScaleMode(1) 2023-06-02 14:07:16.414 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [AVPBase] :API_IN:SetScaleMode 1 2023-06-02 14:07:16.414 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [JavaJniUrlPlayer] :java_SetDataSource_UrlSource(https://vod.welsee.cn/sv/14060764-184ef5bd147/14060764-184ef5bd147.mp4) 2023-06-02 14:07:16.414 17627-17627/com.welsee.classcard I/AliFrameWork: [29874753] [AVPUrl] :API_IN:SetUrlSource https://vod.welsee.cn/sv/14060764-184ef5bd147/14060764-184ef5bd147.mp4 2023-06-02 14:07:16.414 17627-17627/com.we