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@catlabtech/webcvt-container-mp4

MP4/M4A container parser and muxer for webcvt.

Installation

bash
npm i @catlabtech/webcvt-container-mp4

API

Detailed API reference coming in v0.2. See the source code for now.

Supported operations

  • Parse MP4/M4A files (moov, trak, mdat boxes)
  • Mux H.264 / H.265 / AV1 video + AAC audio
  • Read and write fragmented MP4 (fMP4)

Works with @catlabtech/webcvt-codec-webcodecs for hardware-accelerated encode/decode, and falls back to @catlabtech/webcvt-backend-wasm for unsupported codecs.

MIT licensed