#ifndef MUSIC_H #define MUSIC_H #include class Music { public: virtual ~Music() = default; // 添加虚析构函数 virtual bool Download(const std::string& song_name) = 0; virtual bool Play() = 0; virtual bool Stop() = 0; virtual std::string GetDownloadResult() = 0; // 新增流式播放相关方法 virtual bool StartStreaming(const std::string& music_url) = 0; virtual bool StopStreaming() = 0; // 停止流式播放 virtual size_t GetBufferSize() const = 0; virtual bool IsDownloading() const = 0; }; #endif // MUSIC_H