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71 lines
2.2 KiB
Plaintext
71 lines
2.2 KiB
Plaintext
/**
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* FFmpeg Node.js Native Addon Type Definitions
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*
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* This addon provides FFmpeg functionality for Node.js including:
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* - Video information extraction with thumbnail generation
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* - Audio/Video duration detection
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* - Audio format conversion to NTSILK
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* - Audio decoding to PCM
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*/
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/**
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* Video information result object
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*/
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export interface VideoInfo {
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/** Video width in pixels */
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width: number;
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/** Video height in pixels */
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height: number;
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/** Video duration in seconds */
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duration: number;
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/** Container format name (e.g., "mp4", "mkv", "avi") */
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format: string;
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/** Video codec name (e.g., "h264", "hevc", "vp9") */
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videoCodec: string;
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/** First frame thumbnail as BMP image buffer */
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image: Buffer;
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}
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/**
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* Audio PCM decoding result object
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*/
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export interface AudioPCMResult {
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/** PCM audio data as 16-bit signed integer samples */
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pcm: Buffer;
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/** Sample rate in Hz (e.g., 44100, 48000, 24000) */
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sampleRate: number;
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/** Number of audio channels (1 for mono, 2 for stereo) */
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channels: number;
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}
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/**
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* FFmpeg interface providing all audio/video processing methods
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*/
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export interface FFmpeg {
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convertFile(inputFile: string, outputFile: string, format: string): Promise<{
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success: boolean;
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}>;
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/**
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* Get video information including resolution, duration, format, codec and first frame thumbnail
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*/
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getVideoInfo(filePath: string, format?: 'bmp' | 'bmp24'): Promise<VideoInfo>;
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/**
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* Get duration of audio or video file in seconds
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*/
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getDuration(filePath: string): Promise<number>;
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/**
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* Convert audio file to NTSILK format (WeChat voice message format)
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*/
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convertToNTSilkTct(inputPath: string, outputPath: string): Promise<void>;
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/**
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* Decode audio file to raw PCM data
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*/
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decodeAudioToPCM(filePath: string, pcmPath: string, sampleRate?: number): Promise<{
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result: boolean;
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sampleRate: number;
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}>;
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decodeAudioToFmt(filePath: string, pcmPath: string, format: string): Promise<{
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channels: number;
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sampleRate: number;
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format: string;
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}>;
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convertToNTSilkTct(inputFile: string, outputFile: string): Promise<void>;
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}
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