pyflink.multimodal.expression.AudioExpressionAccessor.metadata

AudioExpressionAccessor.metadata(*, concurrency: Optional[int] = None) → pyflink.table.expression.Expression

Probe audio metadata for this expression.

Equivalent to audio_metadata(). See that function for full parameter details.

Parameters

concurrency – Optional execution concurrency for this operation. None uses the framework default.

Returns

A DataFrame expression that produces an audio metadata ROW with sample_rate, channels, frames, duration_ms, format, codec, bit_rate, and size fields.