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OpenHarmony/applications_app_samples
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AI/MindSporeLiteCDemoASR
ArkTS1.2
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README

AVMetadataExtractorNDK

介绍

本示例为媒体->Media Kit(媒体服务)->使用AVMetadataExtractor获取元数据(C/C++)的配套示例工程。

本示例展示了如何获取一个音频资源的元数据。

效果预览

预览

使用说明

  1. 安装编译生成的hap包,并打开应用;
  2. 点击获取视频的封面按钮,获取专辑封面;
  3. 点击获取视频的元数据按钮,获取资源文件元数据信息;

工程目录

AVMetadataExtractorNDK
entry/src/main/ets/
└── pages
    └── Index.ets (获取元数据界面)
entry/src/main/
├── cpp
│   ├── types
│   │   └── libentry
│   │       └── Index.d.ts (NDK函数对应的js映射)
│   ├── CMakeLists.txt (CMake脚本)
│   └── napi_init.cpp (NDK函数)
└── resources
    ├── base
    │   ├── element
    │   │   ├── color.json
    │   │   ├── float.json
    │   │   └── string.json
    │   └── media
    │
    └── rawfile
        └── test.mp3 (音频资源)
entry/src/ohosTest/ets/
└── test
    ├── Ability.test.ets (UI测试代码)
    └── List.test.ets (测试套件列表)

相关权限

不涉及

依赖

不涉及

约束和限制

  1. 本示例支持标准系统上运行,支持设备:RK3568;

  2. 本示例支持API20版本SDK,版本号:6.0.0.34;

  3. 本示例已支持使DevEco Studio 5.0.3 Release (构建版本:5.0.9.300,构建 2025年3月13日)编译运行

下载

如需单独下载本工程,执行如下命令:

git init
git config core.sparsecheckout true
echo code/DocsSample/Media/AVMetadataExtractor/AVMetadataExtractorNDK/ > .git/info/sparse-checkout
git remote add origin https://gitee.com/openharmony/applications_app_samples.git
git pull origin master
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