spdl.io.Demuxer¶

class Demuxer(src: str | bytes | object, **kwargs)[source]¶

Demuxer can demux audio, video and image from the soure.

Parameters:

src – Source identifier. If str type, it is interpreted as a source location, such as local file path or URL. If bytes type, then they are interpreted as in-memory data. If array type (objects implement buffer protocol, such as NumPy NDArray and PyTorch Tensor), then they must be 1 dimentional uint8 array, which contains the raw bytes of the source.
demux_config (DemuxConfig) – Custom I/O config.

Methods

`demux_audio`([window])	Demux audio from the source.
`demux_image`(**kwargs)	Demux image from the source.
`demux_video`([window])	Demux video from the source.
`has_audio`()	Returns true if the source has audio stream.

demux_audio(window: tuple[float, float] | None = None, **kwargs) → AudioPackets[source]¶

Demux audio from the source.

Parameters:: timestamp – A time window. If omitted, the entire audio are demuxed.
Returns:: Demuxed audio packets.

demux_image(**kwargs) → ImagePackets[source]¶

Demux image from the source.

demux_video(window: tuple[float, float] | None = None, **kwargs) → VideoPackets[source]¶

Demux video from the source.

Parameters:: timestamp – A time window. If omitted, the entire audio are demuxed.
Returns:: Demuxed video packets.