59 lines
1.7 KiB
Plaintext
59 lines
1.7 KiB
Plaintext
/**
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* FFmpeg Exec Adapter
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* 使用 execFile 调用 FFmpeg 命令行工具的适配器实现
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*/
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import { LogWrapper } from '../../helper/log';
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import type { IFFmpegAdapter, VideoInfoResult } from './ffmpeg-adapter-interface';
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/**
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* FFmpeg 命令行适配器实现
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*/
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export declare class FFmpegExecAdapter implements IFFmpegAdapter {
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private ffmpegPath;
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private ffprobePath;
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private binaryPath?;
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private logger?;
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readonly name = "FFmpegExec";
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private downloadAttempted;
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constructor(ffmpegPath?: string, ffprobePath?: string, binaryPath?: string | undefined, logger?: LogWrapper | undefined);
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/**
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* 检查 FFmpeg 是否可用，如果不可用则尝试下载
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*/
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isAvailable(): Promise<boolean>;
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/**
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* 设置 FFmpeg 路径
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*/
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setFFmpegPath(ffmpegPath: string): void;
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/**
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* 设置 FFprobe 路径
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*/
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setFFprobePath(ffprobePath: string): void;
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/**
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* 获取视频信息
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*/
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getVideoInfo(videoPath: string): Promise<VideoInfoResult>;
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/**
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* 获取时长
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*/
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getDuration(filePath: string): Promise<number>;
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/**
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* 判断是否为 Silk 格式
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*/
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isSilk(filePath: string): Promise<boolean>;
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/**
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* 转换为 PCM
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*/
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convertToPCM(filePath: string, pcmPath: string): Promise<{
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result: boolean;
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sampleRate: number;
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}>;
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/**
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* 转换文件
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*/
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convertFile(inputFile: string, outputFile: string, format: string): Promise<void>;
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/**
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* 提取缩略图
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*/
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extractThumbnail(videoPath: string, thumbnailPath: string): Promise<void>;
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convertToNTSilkTct(_inputFile: string, _outputFile: string): Promise<void>;
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}
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