@mega-yfue/eufy-sdk / VideoFrameDecoder

Class: VideoFrameDecoder

Decodes a single P2P video stream into H.264. Construct one per stream with the camera's 32-byte ECC private key; feed it CMD_VIDEO_FRAME payloads in order. Keyframes re-key the decoder via their ECIES envelope; P/B-frames reuse the cached media key. All failure modes (short/garbage frame, wrong key, tampered HMAC, GCM auth failure) return undefined — the decoder never throws.

Constructors

Constructor

new VideoFrameDecoder(eccPrivateKey): VideoFrameDecoder;

Parameters

eccPrivateKey

Buffer

the camera's 32-byte ECC private key (P-256 scalar).

Returns

VideoFrameDecoder

Accessors

currentMediaKey

Get Signature

get currentMediaKey(): Buffer<ArrayBufferLike> | undefined;

The media key recovered from the most recent keyframe, if any.

Returns

Buffer<ArrayBufferLike> | undefined

Methods

decodeFrame()

decodeFrame(payload): DecodedVideoFrame | undefined;

Decode one video frame. Returns the keyframe flag and decrypted H.264 bytes, or undefined if the frame is malformed, the envelope/key is wrong, or GCM authentication fails.

Parameters

payload

Buffer

Returns

DecodedVideoFrame | undefined